diff options
Diffstat (limited to 'node_modules/parse5/lib')
24 files changed, 7934 insertions, 0 deletions
diff --git a/node_modules/parse5/lib/common/doctype.js b/node_modules/parse5/lib/common/doctype.js new file mode 100644 index 0000000..e9dfb67 --- /dev/null +++ b/node_modules/parse5/lib/common/doctype.js @@ -0,0 +1,162 @@ +'use strict'; + +const { DOCUMENT_MODE } = require('./html'); + +//Const +const VALID_DOCTYPE_NAME = 'html'; +const VALID_SYSTEM_ID = 'about:legacy-compat'; +const QUIRKS_MODE_SYSTEM_ID = 'http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd'; + +const QUIRKS_MODE_PUBLIC_ID_PREFIXES = [ + '+//silmaril//dtd html pro v0r11 19970101//', + '-//as//dtd html 3.0 aswedit + extensions//', + '-//advasoft ltd//dtd html 3.0 aswedit + extensions//', + '-//ietf//dtd html 2.0 level 1//', + '-//ietf//dtd html 2.0 level 2//', + '-//ietf//dtd html 2.0 strict level 1//', + '-//ietf//dtd html 2.0 strict level 2//', + '-//ietf//dtd html 2.0 strict//', + '-//ietf//dtd html 2.0//', + '-//ietf//dtd html 2.1e//', + '-//ietf//dtd html 3.0//', + '-//ietf//dtd html 3.2 final//', + '-//ietf//dtd html 3.2//', + '-//ietf//dtd html 3//', + '-//ietf//dtd html level 0//', + '-//ietf//dtd html level 1//', + '-//ietf//dtd html level 2//', + '-//ietf//dtd html level 3//', + '-//ietf//dtd html strict level 0//', + '-//ietf//dtd html strict level 1//', + '-//ietf//dtd html strict level 2//', + '-//ietf//dtd html strict level 3//', + '-//ietf//dtd html strict//', + '-//ietf//dtd html//', + '-//metrius//dtd metrius presentational//', + '-//microsoft//dtd internet explorer 2.0 html strict//', + '-//microsoft//dtd internet explorer 2.0 html//', + '-//microsoft//dtd internet explorer 2.0 tables//', + '-//microsoft//dtd internet explorer 3.0 html strict//', + '-//microsoft//dtd internet explorer 3.0 html//', + '-//microsoft//dtd internet explorer 3.0 tables//', + '-//netscape comm. corp.//dtd html//', + '-//netscape comm. corp.//dtd strict html//', + "-//o'reilly and associates//dtd html 2.0//", + "-//o'reilly and associates//dtd html extended 1.0//", + "-//o'reilly and associates//dtd html extended relaxed 1.0//", + '-//sq//dtd html 2.0 hotmetal + extensions//', + '-//softquad software//dtd hotmetal pro 6.0::19990601::extensions to html 4.0//', + '-//softquad//dtd hotmetal pro 4.0::19971010::extensions to html 4.0//', + '-//spyglass//dtd html 2.0 extended//', + '-//sun microsystems corp.//dtd hotjava html//', + '-//sun microsystems corp.//dtd hotjava strict html//', + '-//w3c//dtd html 3 1995-03-24//', + '-//w3c//dtd html 3.2 draft//', + '-//w3c//dtd html 3.2 final//', + '-//w3c//dtd html 3.2//', + '-//w3c//dtd html 3.2s draft//', + '-//w3c//dtd html 4.0 frameset//', + '-//w3c//dtd html 4.0 transitional//', + '-//w3c//dtd html experimental 19960712//', + '-//w3c//dtd html experimental 970421//', + '-//w3c//dtd w3 html//', + '-//w3o//dtd w3 html 3.0//', + '-//webtechs//dtd mozilla html 2.0//', + '-//webtechs//dtd mozilla html//' +]; + +const QUIRKS_MODE_NO_SYSTEM_ID_PUBLIC_ID_PREFIXES = QUIRKS_MODE_PUBLIC_ID_PREFIXES.concat([ + '-//w3c//dtd html 4.01 frameset//', + '-//w3c//dtd html 4.01 transitional//' +]); + +const QUIRKS_MODE_PUBLIC_IDS = ['-//w3o//dtd w3 html strict 3.0//en//', '-/w3c/dtd html 4.0 transitional/en', 'html']; +const LIMITED_QUIRKS_PUBLIC_ID_PREFIXES = ['-//w3c//dtd xhtml 1.0 frameset//', '-//w3c//dtd xhtml 1.0 transitional//']; + +const LIMITED_QUIRKS_WITH_SYSTEM_ID_PUBLIC_ID_PREFIXES = LIMITED_QUIRKS_PUBLIC_ID_PREFIXES.concat([ + '-//w3c//dtd html 4.01 frameset//', + '-//w3c//dtd html 4.01 transitional//' +]); + +//Utils +function enquoteDoctypeId(id) { + const quote = id.indexOf('"') !== -1 ? "'" : '"'; + + return quote + id + quote; +} + +function hasPrefix(publicId, prefixes) { + for (let i = 0; i < prefixes.length; i++) { + if (publicId.indexOf(prefixes[i]) === 0) { + return true; + } + } + + return false; +} + +//API +exports.isConforming = function(token) { + return ( + token.name === VALID_DOCTYPE_NAME && + token.publicId === null && + (token.systemId === null || token.systemId === VALID_SYSTEM_ID) + ); +}; + +exports.getDocumentMode = function(token) { + if (token.name !== VALID_DOCTYPE_NAME) { + return DOCUMENT_MODE.QUIRKS; + } + + const systemId = token.systemId; + + if (systemId && systemId.toLowerCase() === QUIRKS_MODE_SYSTEM_ID) { + return DOCUMENT_MODE.QUIRKS; + } + + let publicId = token.publicId; + + if (publicId !== null) { + publicId = publicId.toLowerCase(); + + if (QUIRKS_MODE_PUBLIC_IDS.indexOf(publicId) > -1) { + return DOCUMENT_MODE.QUIRKS; + } + + let prefixes = systemId === null ? QUIRKS_MODE_NO_SYSTEM_ID_PUBLIC_ID_PREFIXES : QUIRKS_MODE_PUBLIC_ID_PREFIXES; + + if (hasPrefix(publicId, prefixes)) { + return DOCUMENT_MODE.QUIRKS; + } + + prefixes = + systemId === null ? LIMITED_QUIRKS_PUBLIC_ID_PREFIXES : LIMITED_QUIRKS_WITH_SYSTEM_ID_PUBLIC_ID_PREFIXES; + + if (hasPrefix(publicId, prefixes)) { + return DOCUMENT_MODE.LIMITED_QUIRKS; + } + } + + return DOCUMENT_MODE.NO_QUIRKS; +}; + +exports.serializeContent = function(name, publicId, systemId) { + let str = '!DOCTYPE '; + + if (name) { + str += name; + } + + if (publicId) { + str += ' PUBLIC ' + enquoteDoctypeId(publicId); + } else if (systemId) { + str += ' SYSTEM'; + } + + if (systemId !== null) { + str += ' ' + enquoteDoctypeId(systemId); + } + + return str; +}; diff --git a/node_modules/parse5/lib/common/error-codes.js b/node_modules/parse5/lib/common/error-codes.js new file mode 100644 index 0000000..25f3cfd --- /dev/null +++ b/node_modules/parse5/lib/common/error-codes.js @@ -0,0 +1,65 @@ +'use strict'; + +module.exports = { + controlCharacterInInputStream: 'control-character-in-input-stream', + noncharacterInInputStream: 'noncharacter-in-input-stream', + surrogateInInputStream: 'surrogate-in-input-stream', + nonVoidHtmlElementStartTagWithTrailingSolidus: 'non-void-html-element-start-tag-with-trailing-solidus', + endTagWithAttributes: 'end-tag-with-attributes', + endTagWithTrailingSolidus: 'end-tag-with-trailing-solidus', + unexpectedSolidusInTag: 'unexpected-solidus-in-tag', + unexpectedNullCharacter: 'unexpected-null-character', + unexpectedQuestionMarkInsteadOfTagName: 'unexpected-question-mark-instead-of-tag-name', + invalidFirstCharacterOfTagName: 'invalid-first-character-of-tag-name', + unexpectedEqualsSignBeforeAttributeName: 'unexpected-equals-sign-before-attribute-name', + missingEndTagName: 'missing-end-tag-name', + unexpectedCharacterInAttributeName: 'unexpected-character-in-attribute-name', + unknownNamedCharacterReference: 'unknown-named-character-reference', + missingSemicolonAfterCharacterReference: 'missing-semicolon-after-character-reference', + unexpectedCharacterAfterDoctypeSystemIdentifier: 'unexpected-character-after-doctype-system-identifier', + unexpectedCharacterInUnquotedAttributeValue: 'unexpected-character-in-unquoted-attribute-value', + eofBeforeTagName: 'eof-before-tag-name', + eofInTag: 'eof-in-tag', + missingAttributeValue: 'missing-attribute-value', + missingWhitespaceBetweenAttributes: 'missing-whitespace-between-attributes', + missingWhitespaceAfterDoctypePublicKeyword: 'missing-whitespace-after-doctype-public-keyword', + missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers: + 'missing-whitespace-between-doctype-public-and-system-identifiers', + missingWhitespaceAfterDoctypeSystemKeyword: 'missing-whitespace-after-doctype-system-keyword', + missingQuoteBeforeDoctypePublicIdentifier: 'missing-quote-before-doctype-public-identifier', + missingQuoteBeforeDoctypeSystemIdentifier: 'missing-quote-before-doctype-system-identifier', + missingDoctypePublicIdentifier: 'missing-doctype-public-identifier', + missingDoctypeSystemIdentifier: 'missing-doctype-system-identifier', + abruptDoctypePublicIdentifier: 'abrupt-doctype-public-identifier', + abruptDoctypeSystemIdentifier: 'abrupt-doctype-system-identifier', + cdataInHtmlContent: 'cdata-in-html-content', + incorrectlyOpenedComment: 'incorrectly-opened-comment', + eofInScriptHtmlCommentLikeText: 'eof-in-script-html-comment-like-text', + eofInDoctype: 'eof-in-doctype', + nestedComment: 'nested-comment', + abruptClosingOfEmptyComment: 'abrupt-closing-of-empty-comment', + eofInComment: 'eof-in-comment', + incorrectlyClosedComment: 'incorrectly-closed-comment', + eofInCdata: 'eof-in-cdata', + absenceOfDigitsInNumericCharacterReference: 'absence-of-digits-in-numeric-character-reference', + nullCharacterReference: 'null-character-reference', + surrogateCharacterReference: 'surrogate-character-reference', + characterReferenceOutsideUnicodeRange: 'character-reference-outside-unicode-range', + controlCharacterReference: 'control-character-reference', + noncharacterCharacterReference: 'noncharacter-character-reference', + missingWhitespaceBeforeDoctypeName: 'missing-whitespace-before-doctype-name', + missingDoctypeName: 'missing-doctype-name', + invalidCharacterSequenceAfterDoctypeName: 'invalid-character-sequence-after-doctype-name', + duplicateAttribute: 'duplicate-attribute', + nonConformingDoctype: 'non-conforming-doctype', + missingDoctype: 'missing-doctype', + misplacedDoctype: 'misplaced-doctype', + endTagWithoutMatchingOpenElement: 'end-tag-without-matching-open-element', + closingOfElementWithOpenChildElements: 'closing-of-element-with-open-child-elements', + disallowedContentInNoscriptInHead: 'disallowed-content-in-noscript-in-head', + openElementsLeftAfterEof: 'open-elements-left-after-eof', + abandonedHeadElementChild: 'abandoned-head-element-child', + misplacedStartTagForHeadElement: 'misplaced-start-tag-for-head-element', + nestedNoscriptInHead: 'nested-noscript-in-head', + eofInElementThatCanContainOnlyText: 'eof-in-element-that-can-contain-only-text' +}; diff --git a/node_modules/parse5/lib/common/foreign-content.js b/node_modules/parse5/lib/common/foreign-content.js new file mode 100644 index 0000000..10f008b --- /dev/null +++ b/node_modules/parse5/lib/common/foreign-content.js @@ -0,0 +1,265 @@ +'use strict'; + +const Tokenizer = require('../tokenizer'); +const HTML = require('./html'); + +//Aliases +const $ = HTML.TAG_NAMES; +const NS = HTML.NAMESPACES; +const ATTRS = HTML.ATTRS; + +//MIME types +const MIME_TYPES = { + TEXT_HTML: 'text/html', + APPLICATION_XML: 'application/xhtml+xml' +}; + +//Attributes +const DEFINITION_URL_ATTR = 'definitionurl'; +const ADJUSTED_DEFINITION_URL_ATTR = 'definitionURL'; +const SVG_ATTRS_ADJUSTMENT_MAP = { + attributename: 'attributeName', + attributetype: 'attributeType', + basefrequency: 'baseFrequency', + baseprofile: 'baseProfile', + calcmode: 'calcMode', + clippathunits: 'clipPathUnits', + diffuseconstant: 'diffuseConstant', + edgemode: 'edgeMode', + filterunits: 'filterUnits', + glyphref: 'glyphRef', + gradienttransform: 'gradientTransform', + gradientunits: 'gradientUnits', + kernelmatrix: 'kernelMatrix', + kernelunitlength: 'kernelUnitLength', + keypoints: 'keyPoints', + keysplines: 'keySplines', + keytimes: 'keyTimes', + lengthadjust: 'lengthAdjust', + limitingconeangle: 'limitingConeAngle', + markerheight: 'markerHeight', + markerunits: 'markerUnits', + markerwidth: 'markerWidth', + maskcontentunits: 'maskContentUnits', + maskunits: 'maskUnits', + numoctaves: 'numOctaves', + pathlength: 'pathLength', + patterncontentunits: 'patternContentUnits', + patterntransform: 'patternTransform', + patternunits: 'patternUnits', + pointsatx: 'pointsAtX', + pointsaty: 'pointsAtY', + pointsatz: 'pointsAtZ', + preservealpha: 'preserveAlpha', + preserveaspectratio: 'preserveAspectRatio', + primitiveunits: 'primitiveUnits', + refx: 'refX', + refy: 'refY', + repeatcount: 'repeatCount', + repeatdur: 'repeatDur', + requiredextensions: 'requiredExtensions', + requiredfeatures: 'requiredFeatures', + specularconstant: 'specularConstant', + specularexponent: 'specularExponent', + spreadmethod: 'spreadMethod', + startoffset: 'startOffset', + stddeviation: 'stdDeviation', + stitchtiles: 'stitchTiles', + surfacescale: 'surfaceScale', + systemlanguage: 'systemLanguage', + tablevalues: 'tableValues', + targetx: 'targetX', + targety: 'targetY', + textlength: 'textLength', + viewbox: 'viewBox', + viewtarget: 'viewTarget', + xchannelselector: 'xChannelSelector', + ychannelselector: 'yChannelSelector', + zoomandpan: 'zoomAndPan' +}; + +const XML_ATTRS_ADJUSTMENT_MAP = { + 'xlink:actuate': { prefix: 'xlink', name: 'actuate', namespace: NS.XLINK }, + 'xlink:arcrole': { prefix: 'xlink', name: 'arcrole', namespace: NS.XLINK }, + 'xlink:href': { prefix: 'xlink', name: 'href', namespace: NS.XLINK }, + 'xlink:role': { prefix: 'xlink', name: 'role', namespace: NS.XLINK }, + 'xlink:show': { prefix: 'xlink', name: 'show', namespace: NS.XLINK }, + 'xlink:title': { prefix: 'xlink', name: 'title', namespace: NS.XLINK }, + 'xlink:type': { prefix: 'xlink', name: 'type', namespace: NS.XLINK }, + 'xml:base': { prefix: 'xml', name: 'base', namespace: NS.XML }, + 'xml:lang': { prefix: 'xml', name: 'lang', namespace: NS.XML }, + 'xml:space': { prefix: 'xml', name: 'space', namespace: NS.XML }, + xmlns: { prefix: '', name: 'xmlns', namespace: NS.XMLNS }, + 'xmlns:xlink': { prefix: 'xmlns', name: 'xlink', namespace: NS.XMLNS } +}; + +//SVG tag names adjustment map +const SVG_TAG_NAMES_ADJUSTMENT_MAP = (exports.SVG_TAG_NAMES_ADJUSTMENT_MAP = { + altglyph: 'altGlyph', + altglyphdef: 'altGlyphDef', + altglyphitem: 'altGlyphItem', + animatecolor: 'animateColor', + animatemotion: 'animateMotion', + animatetransform: 'animateTransform', + clippath: 'clipPath', + feblend: 'feBlend', + fecolormatrix: 'feColorMatrix', + fecomponenttransfer: 'feComponentTransfer', + fecomposite: 'feComposite', + feconvolvematrix: 'feConvolveMatrix', + fediffuselighting: 'feDiffuseLighting', + fedisplacementmap: 'feDisplacementMap', + fedistantlight: 'feDistantLight', + feflood: 'feFlood', + fefunca: 'feFuncA', + fefuncb: 'feFuncB', + fefuncg: 'feFuncG', + fefuncr: 'feFuncR', + fegaussianblur: 'feGaussianBlur', + feimage: 'feImage', + femerge: 'feMerge', + femergenode: 'feMergeNode', + femorphology: 'feMorphology', + feoffset: 'feOffset', + fepointlight: 'fePointLight', + fespecularlighting: 'feSpecularLighting', + fespotlight: 'feSpotLight', + fetile: 'feTile', + feturbulence: 'feTurbulence', + foreignobject: 'foreignObject', + glyphref: 'glyphRef', + lineargradient: 'linearGradient', + radialgradient: 'radialGradient', + textpath: 'textPath' +}); + +//Tags that causes exit from foreign content +const EXITS_FOREIGN_CONTENT = { + [$.B]: true, + [$.BIG]: true, + [$.BLOCKQUOTE]: true, + [$.BODY]: true, + [$.BR]: true, + [$.CENTER]: true, + [$.CODE]: true, + [$.DD]: true, + [$.DIV]: true, + [$.DL]: true, + [$.DT]: true, + [$.EM]: true, + [$.EMBED]: true, + [$.H1]: true, + [$.H2]: true, + [$.H3]: true, + [$.H4]: true, + [$.H5]: true, + [$.H6]: true, + [$.HEAD]: true, + [$.HR]: true, + [$.I]: true, + [$.IMG]: true, + [$.LI]: true, + [$.LISTING]: true, + [$.MENU]: true, + [$.META]: true, + [$.NOBR]: true, + [$.OL]: true, + [$.P]: true, + [$.PRE]: true, + [$.RUBY]: true, + [$.S]: true, + [$.SMALL]: true, + [$.SPAN]: true, + [$.STRONG]: true, + [$.STRIKE]: true, + [$.SUB]: true, + [$.SUP]: true, + [$.TABLE]: true, + [$.TT]: true, + [$.U]: true, + [$.UL]: true, + [$.VAR]: true +}; + +//Check exit from foreign content +exports.causesExit = function(startTagToken) { + const tn = startTagToken.tagName; + const isFontWithAttrs = + tn === $.FONT && + (Tokenizer.getTokenAttr(startTagToken, ATTRS.COLOR) !== null || + Tokenizer.getTokenAttr(startTagToken, ATTRS.SIZE) !== null || + Tokenizer.getTokenAttr(startTagToken, ATTRS.FACE) !== null); + + return isFontWithAttrs ? true : EXITS_FOREIGN_CONTENT[tn]; +}; + +//Token adjustments +exports.adjustTokenMathMLAttrs = function(token) { + for (let i = 0; i < token.attrs.length; i++) { + if (token.attrs[i].name === DEFINITION_URL_ATTR) { + token.attrs[i].name = ADJUSTED_DEFINITION_URL_ATTR; + break; + } + } +}; + +exports.adjustTokenSVGAttrs = function(token) { + for (let i = 0; i < token.attrs.length; i++) { + const adjustedAttrName = SVG_ATTRS_ADJUSTMENT_MAP[token.attrs[i].name]; + + if (adjustedAttrName) { + token.attrs[i].name = adjustedAttrName; + } + } +}; + +exports.adjustTokenXMLAttrs = function(token) { + for (let i = 0; i < token.attrs.length; i++) { + const adjustedAttrEntry = XML_ATTRS_ADJUSTMENT_MAP[token.attrs[i].name]; + + if (adjustedAttrEntry) { + token.attrs[i].prefix = adjustedAttrEntry.prefix; + token.attrs[i].name = adjustedAttrEntry.name; + token.attrs[i].namespace = adjustedAttrEntry.namespace; + } + } +}; + +exports.adjustTokenSVGTagName = function(token) { + const adjustedTagName = SVG_TAG_NAMES_ADJUSTMENT_MAP[token.tagName]; + + if (adjustedTagName) { + token.tagName = adjustedTagName; + } +}; + +//Integration points +function isMathMLTextIntegrationPoint(tn, ns) { + return ns === NS.MATHML && (tn === $.MI || tn === $.MO || tn === $.MN || tn === $.MS || tn === $.MTEXT); +} + +function isHtmlIntegrationPoint(tn, ns, attrs) { + if (ns === NS.MATHML && tn === $.ANNOTATION_XML) { + for (let i = 0; i < attrs.length; i++) { + if (attrs[i].name === ATTRS.ENCODING) { + const value = attrs[i].value.toLowerCase(); + + return value === MIME_TYPES.TEXT_HTML || value === MIME_TYPES.APPLICATION_XML; + } + } + } + + return ns === NS.SVG && (tn === $.FOREIGN_OBJECT || tn === $.DESC || tn === $.TITLE); +} + +exports.isIntegrationPoint = function(tn, ns, attrs, foreignNS) { + if ((!foreignNS || foreignNS === NS.HTML) && isHtmlIntegrationPoint(tn, ns, attrs)) { + return true; + } + + if ((!foreignNS || foreignNS === NS.MATHML) && isMathMLTextIntegrationPoint(tn, ns)) { + return true; + } + + return false; +}; diff --git a/node_modules/parse5/lib/common/html.js b/node_modules/parse5/lib/common/html.js new file mode 100644 index 0000000..f33646f --- /dev/null +++ b/node_modules/parse5/lib/common/html.js @@ -0,0 +1,272 @@ +'use strict'; + +const NS = (exports.NAMESPACES = { + HTML: 'http://www.w3.org/1999/xhtml', + MATHML: 'http://www.w3.org/1998/Math/MathML', + SVG: 'http://www.w3.org/2000/svg', + XLINK: 'http://www.w3.org/1999/xlink', + XML: 'http://www.w3.org/XML/1998/namespace', + XMLNS: 'http://www.w3.org/2000/xmlns/' +}); + +exports.ATTRS = { + TYPE: 'type', + ACTION: 'action', + ENCODING: 'encoding', + PROMPT: 'prompt', + NAME: 'name', + COLOR: 'color', + FACE: 'face', + SIZE: 'size' +}; + +exports.DOCUMENT_MODE = { + NO_QUIRKS: 'no-quirks', + QUIRKS: 'quirks', + LIMITED_QUIRKS: 'limited-quirks' +}; + +const $ = (exports.TAG_NAMES = { + A: 'a', + ADDRESS: 'address', + ANNOTATION_XML: 'annotation-xml', + APPLET: 'applet', + AREA: 'area', + ARTICLE: 'article', + ASIDE: 'aside', + + B: 'b', + BASE: 'base', + BASEFONT: 'basefont', + BGSOUND: 'bgsound', + BIG: 'big', + BLOCKQUOTE: 'blockquote', + BODY: 'body', + BR: 'br', + BUTTON: 'button', + + CAPTION: 'caption', + CENTER: 'center', + CODE: 'code', + COL: 'col', + COLGROUP: 'colgroup', + + DD: 'dd', + DESC: 'desc', + DETAILS: 'details', + DIALOG: 'dialog', + DIR: 'dir', + DIV: 'div', + DL: 'dl', + DT: 'dt', + + EM: 'em', + EMBED: 'embed', + + FIELDSET: 'fieldset', + FIGCAPTION: 'figcaption', + FIGURE: 'figure', + FONT: 'font', + FOOTER: 'footer', + FOREIGN_OBJECT: 'foreignObject', + FORM: 'form', + FRAME: 'frame', + FRAMESET: 'frameset', + + H1: 'h1', + H2: 'h2', + H3: 'h3', + H4: 'h4', + H5: 'h5', + H6: 'h6', + HEAD: 'head', + HEADER: 'header', + HGROUP: 'hgroup', + HR: 'hr', + HTML: 'html', + + I: 'i', + IMG: 'img', + IMAGE: 'image', + INPUT: 'input', + IFRAME: 'iframe', + + KEYGEN: 'keygen', + + LABEL: 'label', + LI: 'li', + LINK: 'link', + LISTING: 'listing', + + MAIN: 'main', + MALIGNMARK: 'malignmark', + MARQUEE: 'marquee', + MATH: 'math', + MENU: 'menu', + META: 'meta', + MGLYPH: 'mglyph', + MI: 'mi', + MO: 'mo', + MN: 'mn', + MS: 'ms', + MTEXT: 'mtext', + + NAV: 'nav', + NOBR: 'nobr', + NOFRAMES: 'noframes', + NOEMBED: 'noembed', + NOSCRIPT: 'noscript', + + OBJECT: 'object', + OL: 'ol', + OPTGROUP: 'optgroup', + OPTION: 'option', + + P: 'p', + PARAM: 'param', + PLAINTEXT: 'plaintext', + PRE: 'pre', + + RB: 'rb', + RP: 'rp', + RT: 'rt', + RTC: 'rtc', + RUBY: 'ruby', + + S: 's', + SCRIPT: 'script', + SECTION: 'section', + SELECT: 'select', + SOURCE: 'source', + SMALL: 'small', + SPAN: 'span', + STRIKE: 'strike', + STRONG: 'strong', + STYLE: 'style', + SUB: 'sub', + SUMMARY: 'summary', + SUP: 'sup', + + TABLE: 'table', + TBODY: 'tbody', + TEMPLATE: 'template', + TEXTAREA: 'textarea', + TFOOT: 'tfoot', + TD: 'td', + TH: 'th', + THEAD: 'thead', + TITLE: 'title', + TR: 'tr', + TRACK: 'track', + TT: 'tt', + + U: 'u', + UL: 'ul', + + SVG: 'svg', + + VAR: 'var', + + WBR: 'wbr', + + XMP: 'xmp' +}); + +exports.SPECIAL_ELEMENTS = { + [NS.HTML]: { + [$.ADDRESS]: true, + [$.APPLET]: true, + [$.AREA]: true, + [$.ARTICLE]: true, + [$.ASIDE]: true, + [$.BASE]: true, + [$.BASEFONT]: true, + [$.BGSOUND]: true, + [$.BLOCKQUOTE]: true, + [$.BODY]: true, + [$.BR]: true, + [$.BUTTON]: true, + [$.CAPTION]: true, + [$.CENTER]: true, + [$.COL]: true, + [$.COLGROUP]: true, + [$.DD]: true, + [$.DETAILS]: true, + [$.DIR]: true, + [$.DIV]: true, + [$.DL]: true, + [$.DT]: true, + [$.EMBED]: true, + [$.FIELDSET]: true, + [$.FIGCAPTION]: true, + [$.FIGURE]: true, + [$.FOOTER]: true, + [$.FORM]: true, + [$.FRAME]: true, + [$.FRAMESET]: true, + [$.H1]: true, + [$.H2]: true, + [$.H3]: true, + [$.H4]: true, + [$.H5]: true, + [$.H6]: true, + [$.HEAD]: true, + [$.HEADER]: true, + [$.HGROUP]: true, + [$.HR]: true, + [$.HTML]: true, + [$.IFRAME]: true, + [$.IMG]: true, + [$.INPUT]: true, + [$.LI]: true, + [$.LINK]: true, + [$.LISTING]: true, + [$.MAIN]: true, + [$.MARQUEE]: true, + [$.MENU]: true, + [$.META]: true, + [$.NAV]: true, + [$.NOEMBED]: true, + [$.NOFRAMES]: true, + [$.NOSCRIPT]: true, + [$.OBJECT]: true, + [$.OL]: true, + [$.P]: true, + [$.PARAM]: true, + [$.PLAINTEXT]: true, + [$.PRE]: true, + [$.SCRIPT]: true, + [$.SECTION]: true, + [$.SELECT]: true, + [$.SOURCE]: true, + [$.STYLE]: true, + [$.SUMMARY]: true, + [$.TABLE]: true, + [$.TBODY]: true, + [$.TD]: true, + [$.TEMPLATE]: true, + [$.TEXTAREA]: true, + [$.TFOOT]: true, + [$.TH]: true, + [$.THEAD]: true, + [$.TITLE]: true, + [$.TR]: true, + [$.TRACK]: true, + [$.UL]: true, + [$.WBR]: true, + [$.XMP]: true + }, + [NS.MATHML]: { + [$.MI]: true, + [$.MO]: true, + [$.MN]: true, + [$.MS]: true, + [$.MTEXT]: true, + [$.ANNOTATION_XML]: true + }, + [NS.SVG]: { + [$.TITLE]: true, + [$.FOREIGN_OBJECT]: true, + [$.DESC]: true + } +}; diff --git a/node_modules/parse5/lib/common/unicode.js b/node_modules/parse5/lib/common/unicode.js new file mode 100644 index 0000000..8d8234f --- /dev/null +++ b/node_modules/parse5/lib/common/unicode.js @@ -0,0 +1,109 @@ +'use strict'; + +const UNDEFINED_CODE_POINTS = [ + 0xfffe, + 0xffff, + 0x1fffe, + 0x1ffff, + 0x2fffe, + 0x2ffff, + 0x3fffe, + 0x3ffff, + 0x4fffe, + 0x4ffff, + 0x5fffe, + 0x5ffff, + 0x6fffe, + 0x6ffff, + 0x7fffe, + 0x7ffff, + 0x8fffe, + 0x8ffff, + 0x9fffe, + 0x9ffff, + 0xafffe, + 0xaffff, + 0xbfffe, + 0xbffff, + 0xcfffe, + 0xcffff, + 0xdfffe, + 0xdffff, + 0xefffe, + 0xeffff, + 0xffffe, + 0xfffff, + 0x10fffe, + 0x10ffff +]; + +exports.REPLACEMENT_CHARACTER = '\uFFFD'; + +exports.CODE_POINTS = { + EOF: -1, + NULL: 0x00, + TABULATION: 0x09, + CARRIAGE_RETURN: 0x0d, + LINE_FEED: 0x0a, + FORM_FEED: 0x0c, + SPACE: 0x20, + EXCLAMATION_MARK: 0x21, + QUOTATION_MARK: 0x22, + NUMBER_SIGN: 0x23, + AMPERSAND: 0x26, + APOSTROPHE: 0x27, + HYPHEN_MINUS: 0x2d, + SOLIDUS: 0x2f, + DIGIT_0: 0x30, + DIGIT_9: 0x39, + SEMICOLON: 0x3b, + LESS_THAN_SIGN: 0x3c, + EQUALS_SIGN: 0x3d, + GREATER_THAN_SIGN: 0x3e, + QUESTION_MARK: 0x3f, + LATIN_CAPITAL_A: 0x41, + LATIN_CAPITAL_F: 0x46, + LATIN_CAPITAL_X: 0x58, + LATIN_CAPITAL_Z: 0x5a, + RIGHT_SQUARE_BRACKET: 0x5d, + GRAVE_ACCENT: 0x60, + LATIN_SMALL_A: 0x61, + LATIN_SMALL_F: 0x66, + LATIN_SMALL_X: 0x78, + LATIN_SMALL_Z: 0x7a, + REPLACEMENT_CHARACTER: 0xfffd +}; + +exports.CODE_POINT_SEQUENCES = { + DASH_DASH_STRING: [0x2d, 0x2d], //-- + DOCTYPE_STRING: [0x44, 0x4f, 0x43, 0x54, 0x59, 0x50, 0x45], //DOCTYPE + CDATA_START_STRING: [0x5b, 0x43, 0x44, 0x41, 0x54, 0x41, 0x5b], //[CDATA[ + SCRIPT_STRING: [0x73, 0x63, 0x72, 0x69, 0x70, 0x74], //script + PUBLIC_STRING: [0x50, 0x55, 0x42, 0x4c, 0x49, 0x43], //PUBLIC + SYSTEM_STRING: [0x53, 0x59, 0x53, 0x54, 0x45, 0x4d] //SYSTEM +}; + +//Surrogates +exports.isSurrogate = function(cp) { + return cp >= 0xd800 && cp <= 0xdfff; +}; + +exports.isSurrogatePair = function(cp) { + return cp >= 0xdc00 && cp <= 0xdfff; +}; + +exports.getSurrogatePairCodePoint = function(cp1, cp2) { + return (cp1 - 0xd800) * 0x400 + 0x2400 + cp2; +}; + +//NOTE: excluding NULL and ASCII whitespace +exports.isControlCodePoint = function(cp) { + return ( + (cp !== 0x20 && cp !== 0x0a && cp !== 0x0d && cp !== 0x09 && cp !== 0x0c && cp >= 0x01 && cp <= 0x1f) || + (cp >= 0x7f && cp <= 0x9f) + ); +}; + +exports.isUndefinedCodePoint = function(cp) { + return (cp >= 0xfdd0 && cp <= 0xfdef) || UNDEFINED_CODE_POINTS.indexOf(cp) > -1; +}; diff --git a/node_modules/parse5/lib/extensions/error-reporting/mixin-base.js b/node_modules/parse5/lib/extensions/error-reporting/mixin-base.js new file mode 100644 index 0000000..1e30cfc --- /dev/null +++ b/node_modules/parse5/lib/extensions/error-reporting/mixin-base.js @@ -0,0 +1,43 @@ +'use strict'; + +const Mixin = require('../../utils/mixin'); + +class ErrorReportingMixinBase extends Mixin { + constructor(host, opts) { + super(host); + + this.posTracker = null; + this.onParseError = opts.onParseError; + } + + _setErrorLocation(err) { + err.startLine = err.endLine = this.posTracker.line; + err.startCol = err.endCol = this.posTracker.col; + err.startOffset = err.endOffset = this.posTracker.offset; + } + + _reportError(code) { + const err = { + code: code, + startLine: -1, + startCol: -1, + startOffset: -1, + endLine: -1, + endCol: -1, + endOffset: -1 + }; + + this._setErrorLocation(err); + this.onParseError(err); + } + + _getOverriddenMethods(mxn) { + return { + _err(code) { + mxn._reportError(code); + } + }; + } +} + +module.exports = ErrorReportingMixinBase; diff --git a/node_modules/parse5/lib/extensions/error-reporting/parser-mixin.js b/node_modules/parse5/lib/extensions/error-reporting/parser-mixin.js new file mode 100644 index 0000000..107ec5a --- /dev/null +++ b/node_modules/parse5/lib/extensions/error-reporting/parser-mixin.js @@ -0,0 +1,52 @@ +'use strict'; + +const ErrorReportingMixinBase = require('./mixin-base'); +const ErrorReportingTokenizerMixin = require('./tokenizer-mixin'); +const LocationInfoTokenizerMixin = require('../location-info/tokenizer-mixin'); +const Mixin = require('../../utils/mixin'); + +class ErrorReportingParserMixin extends ErrorReportingMixinBase { + constructor(parser, opts) { + super(parser, opts); + + this.opts = opts; + this.ctLoc = null; + this.locBeforeToken = false; + } + + _setErrorLocation(err) { + if (this.ctLoc) { + err.startLine = this.ctLoc.startLine; + err.startCol = this.ctLoc.startCol; + err.startOffset = this.ctLoc.startOffset; + + err.endLine = this.locBeforeToken ? this.ctLoc.startLine : this.ctLoc.endLine; + err.endCol = this.locBeforeToken ? this.ctLoc.startCol : this.ctLoc.endCol; + err.endOffset = this.locBeforeToken ? this.ctLoc.startOffset : this.ctLoc.endOffset; + } + } + + _getOverriddenMethods(mxn, orig) { + return { + _bootstrap(document, fragmentContext) { + orig._bootstrap.call(this, document, fragmentContext); + + Mixin.install(this.tokenizer, ErrorReportingTokenizerMixin, mxn.opts); + Mixin.install(this.tokenizer, LocationInfoTokenizerMixin); + }, + + _processInputToken(token) { + mxn.ctLoc = token.location; + + orig._processInputToken.call(this, token); + }, + + _err(code, options) { + mxn.locBeforeToken = options && options.beforeToken; + mxn._reportError(code); + } + }; + } +} + +module.exports = ErrorReportingParserMixin; diff --git a/node_modules/parse5/lib/extensions/error-reporting/preprocessor-mixin.js b/node_modules/parse5/lib/extensions/error-reporting/preprocessor-mixin.js new file mode 100644 index 0000000..398c966 --- /dev/null +++ b/node_modules/parse5/lib/extensions/error-reporting/preprocessor-mixin.js @@ -0,0 +1,24 @@ +'use strict'; + +const ErrorReportingMixinBase = require('./mixin-base'); +const PositionTrackingPreprocessorMixin = require('../position-tracking/preprocessor-mixin'); +const Mixin = require('../../utils/mixin'); + +class ErrorReportingPreprocessorMixin extends ErrorReportingMixinBase { + constructor(preprocessor, opts) { + super(preprocessor, opts); + + this.posTracker = Mixin.install(preprocessor, PositionTrackingPreprocessorMixin); + this.lastErrOffset = -1; + } + + _reportError(code) { + //NOTE: avoid reporting error twice on advance/retreat + if (this.lastErrOffset !== this.posTracker.offset) { + this.lastErrOffset = this.posTracker.offset; + super._reportError(code); + } + } +} + +module.exports = ErrorReportingPreprocessorMixin; diff --git a/node_modules/parse5/lib/extensions/error-reporting/tokenizer-mixin.js b/node_modules/parse5/lib/extensions/error-reporting/tokenizer-mixin.js new file mode 100644 index 0000000..219fcab --- /dev/null +++ b/node_modules/parse5/lib/extensions/error-reporting/tokenizer-mixin.js @@ -0,0 +1,17 @@ +'use strict'; + +const ErrorReportingMixinBase = require('./mixin-base'); +const ErrorReportingPreprocessorMixin = require('./preprocessor-mixin'); +const Mixin = require('../../utils/mixin'); + +class ErrorReportingTokenizerMixin extends ErrorReportingMixinBase { + constructor(tokenizer, opts) { + super(tokenizer, opts); + + const preprocessorMixin = Mixin.install(tokenizer.preprocessor, ErrorReportingPreprocessorMixin, opts); + + this.posTracker = preprocessorMixin.posTracker; + } +} + +module.exports = ErrorReportingTokenizerMixin; diff --git a/node_modules/parse5/lib/extensions/location-info/open-element-stack-mixin.js b/node_modules/parse5/lib/extensions/location-info/open-element-stack-mixin.js new file mode 100644 index 0000000..765fe77 --- /dev/null +++ b/node_modules/parse5/lib/extensions/location-info/open-element-stack-mixin.js @@ -0,0 +1,35 @@ +'use strict'; + +const Mixin = require('../../utils/mixin'); + +class LocationInfoOpenElementStackMixin extends Mixin { + constructor(stack, opts) { + super(stack); + + this.onItemPop = opts.onItemPop; + } + + _getOverriddenMethods(mxn, orig) { + return { + pop() { + mxn.onItemPop(this.current); + orig.pop.call(this); + }, + + popAllUpToHtmlElement() { + for (let i = this.stackTop; i > 0; i--) { + mxn.onItemPop(this.items[i]); + } + + orig.popAllUpToHtmlElement.call(this); + }, + + remove(element) { + mxn.onItemPop(this.current); + orig.remove.call(this, element); + } + }; + } +} + +module.exports = LocationInfoOpenElementStackMixin; diff --git a/node_modules/parse5/lib/extensions/location-info/parser-mixin.js b/node_modules/parse5/lib/extensions/location-info/parser-mixin.js new file mode 100644 index 0000000..e7d3e2d --- /dev/null +++ b/node_modules/parse5/lib/extensions/location-info/parser-mixin.js @@ -0,0 +1,223 @@ +'use strict'; + +const Mixin = require('../../utils/mixin'); +const Tokenizer = require('../../tokenizer'); +const LocationInfoTokenizerMixin = require('./tokenizer-mixin'); +const LocationInfoOpenElementStackMixin = require('./open-element-stack-mixin'); +const HTML = require('../../common/html'); + +//Aliases +const $ = HTML.TAG_NAMES; + +class LocationInfoParserMixin extends Mixin { + constructor(parser) { + super(parser); + + this.parser = parser; + this.treeAdapter = this.parser.treeAdapter; + this.posTracker = null; + this.lastStartTagToken = null; + this.lastFosterParentingLocation = null; + this.currentToken = null; + } + + _setStartLocation(element) { + let loc = null; + + if (this.lastStartTagToken) { + loc = Object.assign({}, this.lastStartTagToken.location); + loc.startTag = this.lastStartTagToken.location; + } + + this.treeAdapter.setNodeSourceCodeLocation(element, loc); + } + + _setEndLocation(element, closingToken) { + const loc = this.treeAdapter.getNodeSourceCodeLocation(element); + + if (loc) { + if (closingToken.location) { + const ctLoc = closingToken.location; + const tn = this.treeAdapter.getTagName(element); + + // NOTE: For cases like <p> <p> </p> - First 'p' closes without a closing + // tag and for cases like <td> <p> </td> - 'p' closes without a closing tag. + const isClosingEndTag = closingToken.type === Tokenizer.END_TAG_TOKEN && tn === closingToken.tagName; + const endLoc = {}; + if (isClosingEndTag) { + endLoc.endTag = Object.assign({}, ctLoc); + endLoc.endLine = ctLoc.endLine; + endLoc.endCol = ctLoc.endCol; + endLoc.endOffset = ctLoc.endOffset; + } else { + endLoc.endLine = ctLoc.startLine; + endLoc.endCol = ctLoc.startCol; + endLoc.endOffset = ctLoc.startOffset; + } + + this.treeAdapter.updateNodeSourceCodeLocation(element, endLoc); + } + } + } + + _getOverriddenMethods(mxn, orig) { + return { + _bootstrap(document, fragmentContext) { + orig._bootstrap.call(this, document, fragmentContext); + + mxn.lastStartTagToken = null; + mxn.lastFosterParentingLocation = null; + mxn.currentToken = null; + + const tokenizerMixin = Mixin.install(this.tokenizer, LocationInfoTokenizerMixin); + + mxn.posTracker = tokenizerMixin.posTracker; + + Mixin.install(this.openElements, LocationInfoOpenElementStackMixin, { + onItemPop: function(element) { + mxn._setEndLocation(element, mxn.currentToken); + } + }); + }, + + _runParsingLoop(scriptHandler) { + orig._runParsingLoop.call(this, scriptHandler); + + // NOTE: generate location info for elements + // that remains on open element stack + for (let i = this.openElements.stackTop; i >= 0; i--) { + mxn._setEndLocation(this.openElements.items[i], mxn.currentToken); + } + }, + + //Token processing + _processTokenInForeignContent(token) { + mxn.currentToken = token; + orig._processTokenInForeignContent.call(this, token); + }, + + _processToken(token) { + mxn.currentToken = token; + orig._processToken.call(this, token); + + //NOTE: <body> and <html> are never popped from the stack, so we need to updated + //their end location explicitly. + const requireExplicitUpdate = + token.type === Tokenizer.END_TAG_TOKEN && + (token.tagName === $.HTML || (token.tagName === $.BODY && this.openElements.hasInScope($.BODY))); + + if (requireExplicitUpdate) { + for (let i = this.openElements.stackTop; i >= 0; i--) { + const element = this.openElements.items[i]; + + if (this.treeAdapter.getTagName(element) === token.tagName) { + mxn._setEndLocation(element, token); + break; + } + } + } + }, + + //Doctype + _setDocumentType(token) { + orig._setDocumentType.call(this, token); + + const documentChildren = this.treeAdapter.getChildNodes(this.document); + const cnLength = documentChildren.length; + + for (let i = 0; i < cnLength; i++) { + const node = documentChildren[i]; + + if (this.treeAdapter.isDocumentTypeNode(node)) { + this.treeAdapter.setNodeSourceCodeLocation(node, token.location); + break; + } + } + }, + + //Elements + _attachElementToTree(element) { + //NOTE: _attachElementToTree is called from _appendElement, _insertElement and _insertTemplate methods. + //So we will use token location stored in this methods for the element. + mxn._setStartLocation(element); + mxn.lastStartTagToken = null; + orig._attachElementToTree.call(this, element); + }, + + _appendElement(token, namespaceURI) { + mxn.lastStartTagToken = token; + orig._appendElement.call(this, token, namespaceURI); + }, + + _insertElement(token, namespaceURI) { + mxn.lastStartTagToken = token; + orig._insertElement.call(this, token, namespaceURI); + }, + + _insertTemplate(token) { + mxn.lastStartTagToken = token; + orig._insertTemplate.call(this, token); + + const tmplContent = this.treeAdapter.getTemplateContent(this.openElements.current); + + this.treeAdapter.setNodeSourceCodeLocation(tmplContent, null); + }, + + _insertFakeRootElement() { + orig._insertFakeRootElement.call(this); + this.treeAdapter.setNodeSourceCodeLocation(this.openElements.current, null); + }, + + //Comments + _appendCommentNode(token, parent) { + orig._appendCommentNode.call(this, token, parent); + + const children = this.treeAdapter.getChildNodes(parent); + const commentNode = children[children.length - 1]; + + this.treeAdapter.setNodeSourceCodeLocation(commentNode, token.location); + }, + + //Text + _findFosterParentingLocation() { + //NOTE: store last foster parenting location, so we will be able to find inserted text + //in case of foster parenting + mxn.lastFosterParentingLocation = orig._findFosterParentingLocation.call(this); + + return mxn.lastFosterParentingLocation; + }, + + _insertCharacters(token) { + orig._insertCharacters.call(this, token); + + const hasFosterParent = this._shouldFosterParentOnInsertion(); + + const parent = + (hasFosterParent && mxn.lastFosterParentingLocation.parent) || + this.openElements.currentTmplContent || + this.openElements.current; + + const siblings = this.treeAdapter.getChildNodes(parent); + + const textNodeIdx = + hasFosterParent && mxn.lastFosterParentingLocation.beforeElement + ? siblings.indexOf(mxn.lastFosterParentingLocation.beforeElement) - 1 + : siblings.length - 1; + + const textNode = siblings[textNodeIdx]; + + //NOTE: if we have location assigned by another token, then just update end position + const tnLoc = this.treeAdapter.getNodeSourceCodeLocation(textNode); + + if (tnLoc) { + const { endLine, endCol, endOffset } = token.location; + this.treeAdapter.updateNodeSourceCodeLocation(textNode, { endLine, endCol, endOffset }); + } else { + this.treeAdapter.setNodeSourceCodeLocation(textNode, token.location); + } + } + }; + } +} + +module.exports = LocationInfoParserMixin; diff --git a/node_modules/parse5/lib/extensions/location-info/tokenizer-mixin.js b/node_modules/parse5/lib/extensions/location-info/tokenizer-mixin.js new file mode 100644 index 0000000..3c1ef5f --- /dev/null +++ b/node_modules/parse5/lib/extensions/location-info/tokenizer-mixin.js @@ -0,0 +1,146 @@ +'use strict'; + +const Mixin = require('../../utils/mixin'); +const Tokenizer = require('../../tokenizer'); +const PositionTrackingPreprocessorMixin = require('../position-tracking/preprocessor-mixin'); + +class LocationInfoTokenizerMixin extends Mixin { + constructor(tokenizer) { + super(tokenizer); + + this.tokenizer = tokenizer; + this.posTracker = Mixin.install(tokenizer.preprocessor, PositionTrackingPreprocessorMixin); + this.currentAttrLocation = null; + this.ctLoc = null; + } + + _getCurrentLocation() { + return { + startLine: this.posTracker.line, + startCol: this.posTracker.col, + startOffset: this.posTracker.offset, + endLine: -1, + endCol: -1, + endOffset: -1 + }; + } + + _attachCurrentAttrLocationInfo() { + this.currentAttrLocation.endLine = this.posTracker.line; + this.currentAttrLocation.endCol = this.posTracker.col; + this.currentAttrLocation.endOffset = this.posTracker.offset; + + const currentToken = this.tokenizer.currentToken; + const currentAttr = this.tokenizer.currentAttr; + + if (!currentToken.location.attrs) { + currentToken.location.attrs = Object.create(null); + } + + currentToken.location.attrs[currentAttr.name] = this.currentAttrLocation; + } + + _getOverriddenMethods(mxn, orig) { + const methods = { + _createStartTagToken() { + orig._createStartTagToken.call(this); + this.currentToken.location = mxn.ctLoc; + }, + + _createEndTagToken() { + orig._createEndTagToken.call(this); + this.currentToken.location = mxn.ctLoc; + }, + + _createCommentToken() { + orig._createCommentToken.call(this); + this.currentToken.location = mxn.ctLoc; + }, + + _createDoctypeToken(initialName) { + orig._createDoctypeToken.call(this, initialName); + this.currentToken.location = mxn.ctLoc; + }, + + _createCharacterToken(type, ch) { + orig._createCharacterToken.call(this, type, ch); + this.currentCharacterToken.location = mxn.ctLoc; + }, + + _createEOFToken() { + orig._createEOFToken.call(this); + this.currentToken.location = mxn._getCurrentLocation(); + }, + + _createAttr(attrNameFirstCh) { + orig._createAttr.call(this, attrNameFirstCh); + mxn.currentAttrLocation = mxn._getCurrentLocation(); + }, + + _leaveAttrName(toState) { + orig._leaveAttrName.call(this, toState); + mxn._attachCurrentAttrLocationInfo(); + }, + + _leaveAttrValue(toState) { + orig._leaveAttrValue.call(this, toState); + mxn._attachCurrentAttrLocationInfo(); + }, + + _emitCurrentToken() { + const ctLoc = this.currentToken.location; + + //NOTE: if we have pending character token make it's end location equal to the + //current token's start location. + if (this.currentCharacterToken) { + this.currentCharacterToken.location.endLine = ctLoc.startLine; + this.currentCharacterToken.location.endCol = ctLoc.startCol; + this.currentCharacterToken.location.endOffset = ctLoc.startOffset; + } + + if (this.currentToken.type === Tokenizer.EOF_TOKEN) { + ctLoc.endLine = ctLoc.startLine; + ctLoc.endCol = ctLoc.startCol; + ctLoc.endOffset = ctLoc.startOffset; + } else { + ctLoc.endLine = mxn.posTracker.line; + ctLoc.endCol = mxn.posTracker.col + 1; + ctLoc.endOffset = mxn.posTracker.offset + 1; + } + + orig._emitCurrentToken.call(this); + }, + + _emitCurrentCharacterToken() { + const ctLoc = this.currentCharacterToken && this.currentCharacterToken.location; + + //NOTE: if we have character token and it's location wasn't set in the _emitCurrentToken(), + //then set it's location at the current preprocessor position. + //We don't need to increment preprocessor position, since character token + //emission is always forced by the start of the next character token here. + //So, we already have advanced position. + if (ctLoc && ctLoc.endOffset === -1) { + ctLoc.endLine = mxn.posTracker.line; + ctLoc.endCol = mxn.posTracker.col; + ctLoc.endOffset = mxn.posTracker.offset; + } + + orig._emitCurrentCharacterToken.call(this); + } + }; + + //NOTE: patch initial states for each mode to obtain token start position + Object.keys(Tokenizer.MODE).forEach(modeName => { + const state = Tokenizer.MODE[modeName]; + + methods[state] = function(cp) { + mxn.ctLoc = mxn._getCurrentLocation(); + orig[state].call(this, cp); + }; + }); + + return methods; + } +} + +module.exports = LocationInfoTokenizerMixin; diff --git a/node_modules/parse5/lib/extensions/position-tracking/preprocessor-mixin.js b/node_modules/parse5/lib/extensions/position-tracking/preprocessor-mixin.js new file mode 100644 index 0000000..3a07d78 --- /dev/null +++ b/node_modules/parse5/lib/extensions/position-tracking/preprocessor-mixin.js @@ -0,0 +1,64 @@ +'use strict'; + +const Mixin = require('../../utils/mixin'); + +class PositionTrackingPreprocessorMixin extends Mixin { + constructor(preprocessor) { + super(preprocessor); + + this.preprocessor = preprocessor; + this.isEol = false; + this.lineStartPos = 0; + this.droppedBufferSize = 0; + + this.offset = 0; + this.col = 0; + this.line = 1; + } + + _getOverriddenMethods(mxn, orig) { + return { + advance() { + const pos = this.pos + 1; + const ch = this.html[pos]; + + //NOTE: LF should be in the last column of the line + if (mxn.isEol) { + mxn.isEol = false; + mxn.line++; + mxn.lineStartPos = pos; + } + + if (ch === '\n' || (ch === '\r' && this.html[pos + 1] !== '\n')) { + mxn.isEol = true; + } + + mxn.col = pos - mxn.lineStartPos + 1; + mxn.offset = mxn.droppedBufferSize + pos; + + return orig.advance.call(this); + }, + + retreat() { + orig.retreat.call(this); + + mxn.isEol = false; + mxn.col = this.pos - mxn.lineStartPos + 1; + }, + + dropParsedChunk() { + const prevPos = this.pos; + + orig.dropParsedChunk.call(this); + + const reduction = prevPos - this.pos; + + mxn.lineStartPos -= reduction; + mxn.droppedBufferSize += reduction; + mxn.offset = mxn.droppedBufferSize + this.pos; + } + }; + } +} + +module.exports = PositionTrackingPreprocessorMixin; diff --git a/node_modules/parse5/lib/index.js b/node_modules/parse5/lib/index.js new file mode 100644 index 0000000..09c8e33 --- /dev/null +++ b/node_modules/parse5/lib/index.js @@ -0,0 +1,29 @@ +'use strict'; + +const Parser = require('./parser'); +const Serializer = require('./serializer'); + +// Shorthands +exports.parse = function parse(html, options) { + const parser = new Parser(options); + + return parser.parse(html); +}; + +exports.parseFragment = function parseFragment(fragmentContext, html, options) { + if (typeof fragmentContext === 'string') { + options = html; + html = fragmentContext; + fragmentContext = null; + } + + const parser = new Parser(options); + + return parser.parseFragment(html, fragmentContext); +}; + +exports.serialize = function(node, options) { + const serializer = new Serializer(node, options); + + return serializer.serialize(); +}; diff --git a/node_modules/parse5/lib/parser/formatting-element-list.js b/node_modules/parse5/lib/parser/formatting-element-list.js new file mode 100644 index 0000000..0e241db --- /dev/null +++ b/node_modules/parse5/lib/parser/formatting-element-list.js @@ -0,0 +1,181 @@ +'use strict'; + +//Const +const NOAH_ARK_CAPACITY = 3; + +//List of formatting elements +class FormattingElementList { + constructor(treeAdapter) { + this.length = 0; + this.entries = []; + this.treeAdapter = treeAdapter; + this.bookmark = null; + } + + //Noah Ark's condition + //OPTIMIZATION: at first we try to find possible candidates for exclusion using + //lightweight heuristics without thorough attributes check. + _getNoahArkConditionCandidates(newElement) { + const candidates = []; + + if (this.length >= NOAH_ARK_CAPACITY) { + const neAttrsLength = this.treeAdapter.getAttrList(newElement).length; + const neTagName = this.treeAdapter.getTagName(newElement); + const neNamespaceURI = this.treeAdapter.getNamespaceURI(newElement); + + for (let i = this.length - 1; i >= 0; i--) { + const entry = this.entries[i]; + + if (entry.type === FormattingElementList.MARKER_ENTRY) { + break; + } + + const element = entry.element; + const elementAttrs = this.treeAdapter.getAttrList(element); + + const isCandidate = + this.treeAdapter.getTagName(element) === neTagName && + this.treeAdapter.getNamespaceURI(element) === neNamespaceURI && + elementAttrs.length === neAttrsLength; + + if (isCandidate) { + candidates.push({ idx: i, attrs: elementAttrs }); + } + } + } + + return candidates.length < NOAH_ARK_CAPACITY ? [] : candidates; + } + + _ensureNoahArkCondition(newElement) { + const candidates = this._getNoahArkConditionCandidates(newElement); + let cLength = candidates.length; + + if (cLength) { + const neAttrs = this.treeAdapter.getAttrList(newElement); + const neAttrsLength = neAttrs.length; + const neAttrsMap = Object.create(null); + + //NOTE: build attrs map for the new element so we can perform fast lookups + for (let i = 0; i < neAttrsLength; i++) { + const neAttr = neAttrs[i]; + + neAttrsMap[neAttr.name] = neAttr.value; + } + + for (let i = 0; i < neAttrsLength; i++) { + for (let j = 0; j < cLength; j++) { + const cAttr = candidates[j].attrs[i]; + + if (neAttrsMap[cAttr.name] !== cAttr.value) { + candidates.splice(j, 1); + cLength--; + } + + if (candidates.length < NOAH_ARK_CAPACITY) { + return; + } + } + } + + //NOTE: remove bottommost candidates until Noah's Ark condition will not be met + for (let i = cLength - 1; i >= NOAH_ARK_CAPACITY - 1; i--) { + this.entries.splice(candidates[i].idx, 1); + this.length--; + } + } + } + + //Mutations + insertMarker() { + this.entries.push({ type: FormattingElementList.MARKER_ENTRY }); + this.length++; + } + + pushElement(element, token) { + this._ensureNoahArkCondition(element); + + this.entries.push({ + type: FormattingElementList.ELEMENT_ENTRY, + element: element, + token: token + }); + + this.length++; + } + + insertElementAfterBookmark(element, token) { + let bookmarkIdx = this.length - 1; + + for (; bookmarkIdx >= 0; bookmarkIdx--) { + if (this.entries[bookmarkIdx] === this.bookmark) { + break; + } + } + + this.entries.splice(bookmarkIdx + 1, 0, { + type: FormattingElementList.ELEMENT_ENTRY, + element: element, + token: token + }); + + this.length++; + } + + removeEntry(entry) { + for (let i = this.length - 1; i >= 0; i--) { + if (this.entries[i] === entry) { + this.entries.splice(i, 1); + this.length--; + break; + } + } + } + + clearToLastMarker() { + while (this.length) { + const entry = this.entries.pop(); + + this.length--; + + if (entry.type === FormattingElementList.MARKER_ENTRY) { + break; + } + } + } + + //Search + getElementEntryInScopeWithTagName(tagName) { + for (let i = this.length - 1; i >= 0; i--) { + const entry = this.entries[i]; + + if (entry.type === FormattingElementList.MARKER_ENTRY) { + return null; + } + + if (this.treeAdapter.getTagName(entry.element) === tagName) { + return entry; + } + } + + return null; + } + + getElementEntry(element) { + for (let i = this.length - 1; i >= 0; i--) { + const entry = this.entries[i]; + + if (entry.type === FormattingElementList.ELEMENT_ENTRY && entry.element === element) { + return entry; + } + } + + return null; + } +} + +//Entry types +FormattingElementList.MARKER_ENTRY = 'MARKER_ENTRY'; +FormattingElementList.ELEMENT_ENTRY = 'ELEMENT_ENTRY'; + +module.exports = FormattingElementList; diff --git a/node_modules/parse5/lib/parser/index.js b/node_modules/parse5/lib/parser/index.js new file mode 100644 index 0000000..45d3e83 --- /dev/null +++ b/node_modules/parse5/lib/parser/index.js @@ -0,0 +1,2956 @@ +'use strict'; + +const Tokenizer = require('../tokenizer'); +const OpenElementStack = require('./open-element-stack'); +const FormattingElementList = require('./formatting-element-list'); +const LocationInfoParserMixin = require('../extensions/location-info/parser-mixin'); +const ErrorReportingParserMixin = require('../extensions/error-reporting/parser-mixin'); +const Mixin = require('../utils/mixin'); +const defaultTreeAdapter = require('../tree-adapters/default'); +const mergeOptions = require('../utils/merge-options'); +const doctype = require('../common/doctype'); +const foreignContent = require('../common/foreign-content'); +const ERR = require('../common/error-codes'); +const unicode = require('../common/unicode'); +const HTML = require('../common/html'); + +//Aliases +const $ = HTML.TAG_NAMES; +const NS = HTML.NAMESPACES; +const ATTRS = HTML.ATTRS; + +const DEFAULT_OPTIONS = { + scriptingEnabled: true, + sourceCodeLocationInfo: false, + onParseError: null, + treeAdapter: defaultTreeAdapter +}; + +//Misc constants +const HIDDEN_INPUT_TYPE = 'hidden'; + +//Adoption agency loops iteration count +const AA_OUTER_LOOP_ITER = 8; +const AA_INNER_LOOP_ITER = 3; + +//Insertion modes +const INITIAL_MODE = 'INITIAL_MODE'; +const BEFORE_HTML_MODE = 'BEFORE_HTML_MODE'; +const BEFORE_HEAD_MODE = 'BEFORE_HEAD_MODE'; +const IN_HEAD_MODE = 'IN_HEAD_MODE'; +const IN_HEAD_NO_SCRIPT_MODE = 'IN_HEAD_NO_SCRIPT_MODE'; +const AFTER_HEAD_MODE = 'AFTER_HEAD_MODE'; +const IN_BODY_MODE = 'IN_BODY_MODE'; +const TEXT_MODE = 'TEXT_MODE'; +const IN_TABLE_MODE = 'IN_TABLE_MODE'; +const IN_TABLE_TEXT_MODE = 'IN_TABLE_TEXT_MODE'; +const IN_CAPTION_MODE = 'IN_CAPTION_MODE'; +const IN_COLUMN_GROUP_MODE = 'IN_COLUMN_GROUP_MODE'; +const IN_TABLE_BODY_MODE = 'IN_TABLE_BODY_MODE'; +const IN_ROW_MODE = 'IN_ROW_MODE'; +const IN_CELL_MODE = 'IN_CELL_MODE'; +const IN_SELECT_MODE = 'IN_SELECT_MODE'; +const IN_SELECT_IN_TABLE_MODE = 'IN_SELECT_IN_TABLE_MODE'; +const IN_TEMPLATE_MODE = 'IN_TEMPLATE_MODE'; +const AFTER_BODY_MODE = 'AFTER_BODY_MODE'; +const IN_FRAMESET_MODE = 'IN_FRAMESET_MODE'; +const AFTER_FRAMESET_MODE = 'AFTER_FRAMESET_MODE'; +const AFTER_AFTER_BODY_MODE = 'AFTER_AFTER_BODY_MODE'; +const AFTER_AFTER_FRAMESET_MODE = 'AFTER_AFTER_FRAMESET_MODE'; + +//Insertion mode reset map +const INSERTION_MODE_RESET_MAP = { + [$.TR]: IN_ROW_MODE, + [$.TBODY]: IN_TABLE_BODY_MODE, + [$.THEAD]: IN_TABLE_BODY_MODE, + [$.TFOOT]: IN_TABLE_BODY_MODE, + [$.CAPTION]: IN_CAPTION_MODE, + [$.COLGROUP]: IN_COLUMN_GROUP_MODE, + [$.TABLE]: IN_TABLE_MODE, + [$.BODY]: IN_BODY_MODE, + [$.FRAMESET]: IN_FRAMESET_MODE +}; + +//Template insertion mode switch map +const TEMPLATE_INSERTION_MODE_SWITCH_MAP = { + [$.CAPTION]: IN_TABLE_MODE, + [$.COLGROUP]: IN_TABLE_MODE, + [$.TBODY]: IN_TABLE_MODE, + [$.TFOOT]: IN_TABLE_MODE, + [$.THEAD]: IN_TABLE_MODE, + [$.COL]: IN_COLUMN_GROUP_MODE, + [$.TR]: IN_TABLE_BODY_MODE, + [$.TD]: IN_ROW_MODE, + [$.TH]: IN_ROW_MODE +}; + +//Token handlers map for insertion modes +const TOKEN_HANDLERS = { + [INITIAL_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: tokenInInitialMode, + [Tokenizer.NULL_CHARACTER_TOKEN]: tokenInInitialMode, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: ignoreToken, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: doctypeInInitialMode, + [Tokenizer.START_TAG_TOKEN]: tokenInInitialMode, + [Tokenizer.END_TAG_TOKEN]: tokenInInitialMode, + [Tokenizer.EOF_TOKEN]: tokenInInitialMode + }, + [BEFORE_HTML_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: tokenBeforeHtml, + [Tokenizer.NULL_CHARACTER_TOKEN]: tokenBeforeHtml, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: ignoreToken, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: ignoreToken, + [Tokenizer.START_TAG_TOKEN]: startTagBeforeHtml, + [Tokenizer.END_TAG_TOKEN]: endTagBeforeHtml, + [Tokenizer.EOF_TOKEN]: tokenBeforeHtml + }, + [BEFORE_HEAD_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: tokenBeforeHead, + [Tokenizer.NULL_CHARACTER_TOKEN]: tokenBeforeHead, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: ignoreToken, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: misplacedDoctype, + [Tokenizer.START_TAG_TOKEN]: startTagBeforeHead, + [Tokenizer.END_TAG_TOKEN]: endTagBeforeHead, + [Tokenizer.EOF_TOKEN]: tokenBeforeHead + }, + [IN_HEAD_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: tokenInHead, + [Tokenizer.NULL_CHARACTER_TOKEN]: tokenInHead, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: insertCharacters, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: misplacedDoctype, + [Tokenizer.START_TAG_TOKEN]: startTagInHead, + [Tokenizer.END_TAG_TOKEN]: endTagInHead, + [Tokenizer.EOF_TOKEN]: tokenInHead + }, + [IN_HEAD_NO_SCRIPT_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: tokenInHeadNoScript, + [Tokenizer.NULL_CHARACTER_TOKEN]: tokenInHeadNoScript, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: insertCharacters, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: misplacedDoctype, + [Tokenizer.START_TAG_TOKEN]: startTagInHeadNoScript, + [Tokenizer.END_TAG_TOKEN]: endTagInHeadNoScript, + [Tokenizer.EOF_TOKEN]: tokenInHeadNoScript + }, + [AFTER_HEAD_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: tokenAfterHead, + [Tokenizer.NULL_CHARACTER_TOKEN]: tokenAfterHead, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: insertCharacters, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: misplacedDoctype, + [Tokenizer.START_TAG_TOKEN]: startTagAfterHead, + [Tokenizer.END_TAG_TOKEN]: endTagAfterHead, + [Tokenizer.EOF_TOKEN]: tokenAfterHead + }, + [IN_BODY_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: characterInBody, + [Tokenizer.NULL_CHARACTER_TOKEN]: ignoreToken, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: whitespaceCharacterInBody, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: ignoreToken, + [Tokenizer.START_TAG_TOKEN]: startTagInBody, + [Tokenizer.END_TAG_TOKEN]: endTagInBody, + [Tokenizer.EOF_TOKEN]: eofInBody + }, + [TEXT_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: insertCharacters, + [Tokenizer.NULL_CHARACTER_TOKEN]: insertCharacters, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: insertCharacters, + [Tokenizer.COMMENT_TOKEN]: ignoreToken, + [Tokenizer.DOCTYPE_TOKEN]: ignoreToken, + [Tokenizer.START_TAG_TOKEN]: ignoreToken, + [Tokenizer.END_TAG_TOKEN]: endTagInText, + [Tokenizer.EOF_TOKEN]: eofInText + }, + [IN_TABLE_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: characterInTable, + [Tokenizer.NULL_CHARACTER_TOKEN]: characterInTable, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: characterInTable, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: ignoreToken, + [Tokenizer.START_TAG_TOKEN]: startTagInTable, + [Tokenizer.END_TAG_TOKEN]: endTagInTable, + [Tokenizer.EOF_TOKEN]: eofInBody + }, + [IN_TABLE_TEXT_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: characterInTableText, + [Tokenizer.NULL_CHARACTER_TOKEN]: ignoreToken, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: whitespaceCharacterInTableText, + [Tokenizer.COMMENT_TOKEN]: tokenInTableText, + [Tokenizer.DOCTYPE_TOKEN]: tokenInTableText, + [Tokenizer.START_TAG_TOKEN]: tokenInTableText, + [Tokenizer.END_TAG_TOKEN]: tokenInTableText, + [Tokenizer.EOF_TOKEN]: tokenInTableText + }, + [IN_CAPTION_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: characterInBody, + [Tokenizer.NULL_CHARACTER_TOKEN]: ignoreToken, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: whitespaceCharacterInBody, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: ignoreToken, + [Tokenizer.START_TAG_TOKEN]: startTagInCaption, + [Tokenizer.END_TAG_TOKEN]: endTagInCaption, + [Tokenizer.EOF_TOKEN]: eofInBody + }, + [IN_COLUMN_GROUP_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: tokenInColumnGroup, + [Tokenizer.NULL_CHARACTER_TOKEN]: tokenInColumnGroup, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: insertCharacters, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: ignoreToken, + [Tokenizer.START_TAG_TOKEN]: startTagInColumnGroup, + [Tokenizer.END_TAG_TOKEN]: endTagInColumnGroup, + [Tokenizer.EOF_TOKEN]: eofInBody + }, + [IN_TABLE_BODY_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: characterInTable, + [Tokenizer.NULL_CHARACTER_TOKEN]: characterInTable, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: characterInTable, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: ignoreToken, + [Tokenizer.START_TAG_TOKEN]: startTagInTableBody, + [Tokenizer.END_TAG_TOKEN]: endTagInTableBody, + [Tokenizer.EOF_TOKEN]: eofInBody + }, + [IN_ROW_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: characterInTable, + [Tokenizer.NULL_CHARACTER_TOKEN]: characterInTable, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: characterInTable, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: ignoreToken, + [Tokenizer.START_TAG_TOKEN]: startTagInRow, + [Tokenizer.END_TAG_TOKEN]: endTagInRow, + [Tokenizer.EOF_TOKEN]: eofInBody + }, + [IN_CELL_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: characterInBody, + [Tokenizer.NULL_CHARACTER_TOKEN]: ignoreToken, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: whitespaceCharacterInBody, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: ignoreToken, + [Tokenizer.START_TAG_TOKEN]: startTagInCell, + [Tokenizer.END_TAG_TOKEN]: endTagInCell, + [Tokenizer.EOF_TOKEN]: eofInBody + }, + [IN_SELECT_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: insertCharacters, + [Tokenizer.NULL_CHARACTER_TOKEN]: ignoreToken, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: insertCharacters, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: ignoreToken, + [Tokenizer.START_TAG_TOKEN]: startTagInSelect, + [Tokenizer.END_TAG_TOKEN]: endTagInSelect, + [Tokenizer.EOF_TOKEN]: eofInBody + }, + [IN_SELECT_IN_TABLE_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: insertCharacters, + [Tokenizer.NULL_CHARACTER_TOKEN]: ignoreToken, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: insertCharacters, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: ignoreToken, + [Tokenizer.START_TAG_TOKEN]: startTagInSelectInTable, + [Tokenizer.END_TAG_TOKEN]: endTagInSelectInTable, + [Tokenizer.EOF_TOKEN]: eofInBody + }, + [IN_TEMPLATE_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: characterInBody, + [Tokenizer.NULL_CHARACTER_TOKEN]: ignoreToken, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: whitespaceCharacterInBody, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: ignoreToken, + [Tokenizer.START_TAG_TOKEN]: startTagInTemplate, + [Tokenizer.END_TAG_TOKEN]: endTagInTemplate, + [Tokenizer.EOF_TOKEN]: eofInTemplate + }, + [AFTER_BODY_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: tokenAfterBody, + [Tokenizer.NULL_CHARACTER_TOKEN]: tokenAfterBody, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: whitespaceCharacterInBody, + [Tokenizer.COMMENT_TOKEN]: appendCommentToRootHtmlElement, + [Tokenizer.DOCTYPE_TOKEN]: ignoreToken, + [Tokenizer.START_TAG_TOKEN]: startTagAfterBody, + [Tokenizer.END_TAG_TOKEN]: endTagAfterBody, + [Tokenizer.EOF_TOKEN]: stopParsing + }, + [IN_FRAMESET_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: ignoreToken, + [Tokenizer.NULL_CHARACTER_TOKEN]: ignoreToken, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: insertCharacters, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: ignoreToken, + [Tokenizer.START_TAG_TOKEN]: startTagInFrameset, + [Tokenizer.END_TAG_TOKEN]: endTagInFrameset, + [Tokenizer.EOF_TOKEN]: stopParsing + }, + [AFTER_FRAMESET_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: ignoreToken, + [Tokenizer.NULL_CHARACTER_TOKEN]: ignoreToken, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: insertCharacters, + [Tokenizer.COMMENT_TOKEN]: appendComment, + [Tokenizer.DOCTYPE_TOKEN]: ignoreToken, + [Tokenizer.START_TAG_TOKEN]: startTagAfterFrameset, + [Tokenizer.END_TAG_TOKEN]: endTagAfterFrameset, + [Tokenizer.EOF_TOKEN]: stopParsing + }, + [AFTER_AFTER_BODY_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: tokenAfterAfterBody, + [Tokenizer.NULL_CHARACTER_TOKEN]: tokenAfterAfterBody, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: whitespaceCharacterInBody, + [Tokenizer.COMMENT_TOKEN]: appendCommentToDocument, + [Tokenizer.DOCTYPE_TOKEN]: ignoreToken, + [Tokenizer.START_TAG_TOKEN]: startTagAfterAfterBody, + [Tokenizer.END_TAG_TOKEN]: tokenAfterAfterBody, + [Tokenizer.EOF_TOKEN]: stopParsing + }, + [AFTER_AFTER_FRAMESET_MODE]: { + [Tokenizer.CHARACTER_TOKEN]: ignoreToken, + [Tokenizer.NULL_CHARACTER_TOKEN]: ignoreToken, + [Tokenizer.WHITESPACE_CHARACTER_TOKEN]: whitespaceCharacterInBody, + [Tokenizer.COMMENT_TOKEN]: appendCommentToDocument, + [Tokenizer.DOCTYPE_TOKEN]: ignoreToken, + [Tokenizer.START_TAG_TOKEN]: startTagAfterAfterFrameset, + [Tokenizer.END_TAG_TOKEN]: ignoreToken, + [Tokenizer.EOF_TOKEN]: stopParsing + } +}; + +//Parser +class Parser { + constructor(options) { + this.options = mergeOptions(DEFAULT_OPTIONS, options); + + this.treeAdapter = this.options.treeAdapter; + this.pendingScript = null; + + if (this.options.sourceCodeLocationInfo) { + Mixin.install(this, LocationInfoParserMixin); + } + + if (this.options.onParseError) { + Mixin.install(this, ErrorReportingParserMixin, { onParseError: this.options.onParseError }); + } + } + + // API + parse(html) { + const document = this.treeAdapter.createDocument(); + + this._bootstrap(document, null); + this.tokenizer.write(html, true); + this._runParsingLoop(null); + + return document; + } + + parseFragment(html, fragmentContext) { + //NOTE: use <template> element as a fragment context if context element was not provided, + //so we will parse in "forgiving" manner + if (!fragmentContext) { + fragmentContext = this.treeAdapter.createElement($.TEMPLATE, NS.HTML, []); + } + + //NOTE: create fake element which will be used as 'document' for fragment parsing. + //This is important for jsdom there 'document' can't be recreated, therefore + //fragment parsing causes messing of the main `document`. + const documentMock = this.treeAdapter.createElement('documentmock', NS.HTML, []); + + this._bootstrap(documentMock, fragmentContext); + + if (this.treeAdapter.getTagName(fragmentContext) === $.TEMPLATE) { + this._pushTmplInsertionMode(IN_TEMPLATE_MODE); + } + + this._initTokenizerForFragmentParsing(); + this._insertFakeRootElement(); + this._resetInsertionMode(); + this._findFormInFragmentContext(); + this.tokenizer.write(html, true); + this._runParsingLoop(null); + + const rootElement = this.treeAdapter.getFirstChild(documentMock); + const fragment = this.treeAdapter.createDocumentFragment(); + + this._adoptNodes(rootElement, fragment); + + return fragment; + } + + //Bootstrap parser + _bootstrap(document, fragmentContext) { + this.tokenizer = new Tokenizer(this.options); + + this.stopped = false; + + this.insertionMode = INITIAL_MODE; + this.originalInsertionMode = ''; + + this.document = document; + this.fragmentContext = fragmentContext; + + this.headElement = null; + this.formElement = null; + + this.openElements = new OpenElementStack(this.document, this.treeAdapter); + this.activeFormattingElements = new FormattingElementList(this.treeAdapter); + + this.tmplInsertionModeStack = []; + this.tmplInsertionModeStackTop = -1; + this.currentTmplInsertionMode = null; + + this.pendingCharacterTokens = []; + this.hasNonWhitespacePendingCharacterToken = false; + + this.framesetOk = true; + this.skipNextNewLine = false; + this.fosterParentingEnabled = false; + } + + //Errors + _err() { + // NOTE: err reporting is noop by default. Enabled by mixin. + } + + //Parsing loop + _runParsingLoop(scriptHandler) { + while (!this.stopped) { + this._setupTokenizerCDATAMode(); + + const token = this.tokenizer.getNextToken(); + + if (token.type === Tokenizer.HIBERNATION_TOKEN) { + break; + } + + if (this.skipNextNewLine) { + this.skipNextNewLine = false; + + if (token.type === Tokenizer.WHITESPACE_CHARACTER_TOKEN && token.chars[0] === '\n') { + if (token.chars.length === 1) { + continue; + } + + token.chars = token.chars.substr(1); + } + } + + this._processInputToken(token); + + if (scriptHandler && this.pendingScript) { + break; + } + } + } + + runParsingLoopForCurrentChunk(writeCallback, scriptHandler) { + this._runParsingLoop(scriptHandler); + + if (scriptHandler && this.pendingScript) { + const script = this.pendingScript; + + this.pendingScript = null; + + scriptHandler(script); + + return; + } + + if (writeCallback) { + writeCallback(); + } + } + + //Text parsing + _setupTokenizerCDATAMode() { + const current = this._getAdjustedCurrentElement(); + + this.tokenizer.allowCDATA = + current && + current !== this.document && + this.treeAdapter.getNamespaceURI(current) !== NS.HTML && + !this._isIntegrationPoint(current); + } + + _switchToTextParsing(currentToken, nextTokenizerState) { + this._insertElement(currentToken, NS.HTML); + this.tokenizer.state = nextTokenizerState; + this.originalInsertionMode = this.insertionMode; + this.insertionMode = TEXT_MODE; + } + + switchToPlaintextParsing() { + this.insertionMode = TEXT_MODE; + this.originalInsertionMode = IN_BODY_MODE; + this.tokenizer.state = Tokenizer.MODE.PLAINTEXT; + } + + //Fragment parsing + _getAdjustedCurrentElement() { + return this.openElements.stackTop === 0 && this.fragmentContext + ? this.fragmentContext + : this.openElements.current; + } + + _findFormInFragmentContext() { + let node = this.fragmentContext; + + do { + if (this.treeAdapter.getTagName(node) === $.FORM) { + this.formElement = node; + break; + } + + node = this.treeAdapter.getParentNode(node); + } while (node); + } + + _initTokenizerForFragmentParsing() { + if (this.treeAdapter.getNamespaceURI(this.fragmentContext) === NS.HTML) { + const tn = this.treeAdapter.getTagName(this.fragmentContext); + + if (tn === $.TITLE || tn === $.TEXTAREA) { + this.tokenizer.state = Tokenizer.MODE.RCDATA; + } else if ( + tn === $.STYLE || + tn === $.XMP || + tn === $.IFRAME || + tn === $.NOEMBED || + tn === $.NOFRAMES || + tn === $.NOSCRIPT + ) { + this.tokenizer.state = Tokenizer.MODE.RAWTEXT; + } else if (tn === $.SCRIPT) { + this.tokenizer.state = Tokenizer.MODE.SCRIPT_DATA; + } else if (tn === $.PLAINTEXT) { + this.tokenizer.state = Tokenizer.MODE.PLAINTEXT; + } + } + } + + //Tree mutation + _setDocumentType(token) { + const name = token.name || ''; + const publicId = token.publicId || ''; + const systemId = token.systemId || ''; + + this.treeAdapter.setDocumentType(this.document, name, publicId, systemId); + } + + _attachElementToTree(element) { + if (this._shouldFosterParentOnInsertion()) { + this._fosterParentElement(element); + } else { + const parent = this.openElements.currentTmplContent || this.openElements.current; + + this.treeAdapter.appendChild(parent, element); + } + } + + _appendElement(token, namespaceURI) { + const element = this.treeAdapter.createElement(token.tagName, namespaceURI, token.attrs); + + this._attachElementToTree(element); + } + + _insertElement(token, namespaceURI) { + const element = this.treeAdapter.createElement(token.tagName, namespaceURI, token.attrs); + + this._attachElementToTree(element); + this.openElements.push(element); + } + + _insertFakeElement(tagName) { + const element = this.treeAdapter.createElement(tagName, NS.HTML, []); + + this._attachElementToTree(element); + this.openElements.push(element); + } + + _insertTemplate(token) { + const tmpl = this.treeAdapter.createElement(token.tagName, NS.HTML, token.attrs); + const content = this.treeAdapter.createDocumentFragment(); + + this.treeAdapter.setTemplateContent(tmpl, content); + this._attachElementToTree(tmpl); + this.openElements.push(tmpl); + } + + _insertFakeRootElement() { + const element = this.treeAdapter.createElement($.HTML, NS.HTML, []); + + this.treeAdapter.appendChild(this.openElements.current, element); + this.openElements.push(element); + } + + _appendCommentNode(token, parent) { + const commentNode = this.treeAdapter.createCommentNode(token.data); + + this.treeAdapter.appendChild(parent, commentNode); + } + + _insertCharacters(token) { + if (this._shouldFosterParentOnInsertion()) { + this._fosterParentText(token.chars); + } else { + const parent = this.openElements.currentTmplContent || this.openElements.current; + + this.treeAdapter.insertText(parent, token.chars); + } + } + + _adoptNodes(donor, recipient) { + for (let child = this.treeAdapter.getFirstChild(donor); child; child = this.treeAdapter.getFirstChild(donor)) { + this.treeAdapter.detachNode(child); + this.treeAdapter.appendChild(recipient, child); + } + } + + //Token processing + _shouldProcessTokenInForeignContent(token) { + const current = this._getAdjustedCurrentElement(); + + if (!current || current === this.document) { + return false; + } + + const ns = this.treeAdapter.getNamespaceURI(current); + + if (ns === NS.HTML) { + return false; + } + + if ( + this.treeAdapter.getTagName(current) === $.ANNOTATION_XML && + ns === NS.MATHML && + token.type === Tokenizer.START_TAG_TOKEN && + token.tagName === $.SVG + ) { + return false; + } + + const isCharacterToken = + token.type === Tokenizer.CHARACTER_TOKEN || + token.type === Tokenizer.NULL_CHARACTER_TOKEN || + token.type === Tokenizer.WHITESPACE_CHARACTER_TOKEN; + + const isMathMLTextStartTag = + token.type === Tokenizer.START_TAG_TOKEN && token.tagName !== $.MGLYPH && token.tagName !== $.MALIGNMARK; + + if ((isMathMLTextStartTag || isCharacterToken) && this._isIntegrationPoint(current, NS.MATHML)) { + return false; + } + + if ( + (token.type === Tokenizer.START_TAG_TOKEN || isCharacterToken) && + this._isIntegrationPoint(current, NS.HTML) + ) { + return false; + } + + return token.type !== Tokenizer.EOF_TOKEN; + } + + _processToken(token) { + TOKEN_HANDLERS[this.insertionMode][token.type](this, token); + } + + _processTokenInBodyMode(token) { + TOKEN_HANDLERS[IN_BODY_MODE][token.type](this, token); + } + + _processTokenInForeignContent(token) { + if (token.type === Tokenizer.CHARACTER_TOKEN) { + characterInForeignContent(this, token); + } else if (token.type === Tokenizer.NULL_CHARACTER_TOKEN) { + nullCharacterInForeignContent(this, token); + } else if (token.type === Tokenizer.WHITESPACE_CHARACTER_TOKEN) { + insertCharacters(this, token); + } else if (token.type === Tokenizer.COMMENT_TOKEN) { + appendComment(this, token); + } else if (token.type === Tokenizer.START_TAG_TOKEN) { + startTagInForeignContent(this, token); + } else if (token.type === Tokenizer.END_TAG_TOKEN) { + endTagInForeignContent(this, token); + } + } + + _processInputToken(token) { + if (this._shouldProcessTokenInForeignContent(token)) { + this._processTokenInForeignContent(token); + } else { + this._processToken(token); + } + + if (token.type === Tokenizer.START_TAG_TOKEN && token.selfClosing && !token.ackSelfClosing) { + this._err(ERR.nonVoidHtmlElementStartTagWithTrailingSolidus); + } + } + + //Integration points + _isIntegrationPoint(element, foreignNS) { + const tn = this.treeAdapter.getTagName(element); + const ns = this.treeAdapter.getNamespaceURI(element); + const attrs = this.treeAdapter.getAttrList(element); + + return foreignContent.isIntegrationPoint(tn, ns, attrs, foreignNS); + } + + //Active formatting elements reconstruction + _reconstructActiveFormattingElements() { + const listLength = this.activeFormattingElements.length; + + if (listLength) { + let unopenIdx = listLength; + let entry = null; + + do { + unopenIdx--; + entry = this.activeFormattingElements.entries[unopenIdx]; + + if (entry.type === FormattingElementList.MARKER_ENTRY || this.openElements.contains(entry.element)) { + unopenIdx++; + break; + } + } while (unopenIdx > 0); + + for (let i = unopenIdx; i < listLength; i++) { + entry = this.activeFormattingElements.entries[i]; + this._insertElement(entry.token, this.treeAdapter.getNamespaceURI(entry.element)); + entry.element = this.openElements.current; + } + } + } + + //Close elements + _closeTableCell() { + this.openElements.generateImpliedEndTags(); + this.openElements.popUntilTableCellPopped(); + this.activeFormattingElements.clearToLastMarker(); + this.insertionMode = IN_ROW_MODE; + } + + _closePElement() { + this.openElements.generateImpliedEndTagsWithExclusion($.P); + this.openElements.popUntilTagNamePopped($.P); + } + + //Insertion modes + _resetInsertionMode() { + for (let i = this.openElements.stackTop, last = false; i >= 0; i--) { + let element = this.openElements.items[i]; + + if (i === 0) { + last = true; + + if (this.fragmentContext) { + element = this.fragmentContext; + } + } + + const tn = this.treeAdapter.getTagName(element); + const newInsertionMode = INSERTION_MODE_RESET_MAP[tn]; + + if (newInsertionMode) { + this.insertionMode = newInsertionMode; + break; + } else if (!last && (tn === $.TD || tn === $.TH)) { + this.insertionMode = IN_CELL_MODE; + break; + } else if (!last && tn === $.HEAD) { + this.insertionMode = IN_HEAD_MODE; + break; + } else if (tn === $.SELECT) { + this._resetInsertionModeForSelect(i); + break; + } else if (tn === $.TEMPLATE) { + this.insertionMode = this.currentTmplInsertionMode; + break; + } else if (tn === $.HTML) { + this.insertionMode = this.headElement ? AFTER_HEAD_MODE : BEFORE_HEAD_MODE; + break; + } else if (last) { + this.insertionMode = IN_BODY_MODE; + break; + } + } + } + + _resetInsertionModeForSelect(selectIdx) { + if (selectIdx > 0) { + for (let i = selectIdx - 1; i > 0; i--) { + const ancestor = this.openElements.items[i]; + const tn = this.treeAdapter.getTagName(ancestor); + + if (tn === $.TEMPLATE) { + break; + } else if (tn === $.TABLE) { + this.insertionMode = IN_SELECT_IN_TABLE_MODE; + return; + } + } + } + + this.insertionMode = IN_SELECT_MODE; + } + + _pushTmplInsertionMode(mode) { + this.tmplInsertionModeStack.push(mode); + this.tmplInsertionModeStackTop++; + this.currentTmplInsertionMode = mode; + } + + _popTmplInsertionMode() { + this.tmplInsertionModeStack.pop(); + this.tmplInsertionModeStackTop--; + this.currentTmplInsertionMode = this.tmplInsertionModeStack[this.tmplInsertionModeStackTop]; + } + + //Foster parenting + _isElementCausesFosterParenting(element) { + const tn = this.treeAdapter.getTagName(element); + + return tn === $.TABLE || tn === $.TBODY || tn === $.TFOOT || tn === $.THEAD || tn === $.TR; + } + + _shouldFosterParentOnInsertion() { + return this.fosterParentingEnabled && this._isElementCausesFosterParenting(this.openElements.current); + } + + _findFosterParentingLocation() { + const location = { + parent: null, + beforeElement: null + }; + + for (let i = this.openElements.stackTop; i >= 0; i--) { + const openElement = this.openElements.items[i]; + const tn = this.treeAdapter.getTagName(openElement); + const ns = this.treeAdapter.getNamespaceURI(openElement); + + if (tn === $.TEMPLATE && ns === NS.HTML) { + location.parent = this.treeAdapter.getTemplateContent(openElement); + break; + } else if (tn === $.TABLE) { + location.parent = this.treeAdapter.getParentNode(openElement); + + if (location.parent) { + location.beforeElement = openElement; + } else { + location.parent = this.openElements.items[i - 1]; + } + + break; + } + } + + if (!location.parent) { + location.parent = this.openElements.items[0]; + } + + return location; + } + + _fosterParentElement(element) { + const location = this._findFosterParentingLocation(); + + if (location.beforeElement) { + this.treeAdapter.insertBefore(location.parent, element, location.beforeElement); + } else { + this.treeAdapter.appendChild(location.parent, element); + } + } + + _fosterParentText(chars) { + const location = this._findFosterParentingLocation(); + + if (location.beforeElement) { + this.treeAdapter.insertTextBefore(location.parent, chars, location.beforeElement); + } else { + this.treeAdapter.insertText(location.parent, chars); + } + } + + //Special elements + _isSpecialElement(element) { + const tn = this.treeAdapter.getTagName(element); + const ns = this.treeAdapter.getNamespaceURI(element); + + return HTML.SPECIAL_ELEMENTS[ns][tn]; + } +} + +module.exports = Parser; + +//Adoption agency algorithm +//(see: http://www.whatwg.org/specs/web-apps/current-work/multipage/tree-construction.html#adoptionAgency) +//------------------------------------------------------------------ + +//Steps 5-8 of the algorithm +function aaObtainFormattingElementEntry(p, token) { + let formattingElementEntry = p.activeFormattingElements.getElementEntryInScopeWithTagName(token.tagName); + + if (formattingElementEntry) { + if (!p.openElements.contains(formattingElementEntry.element)) { + p.activeFormattingElements.removeEntry(formattingElementEntry); + formattingElementEntry = null; + } else if (!p.openElements.hasInScope(token.tagName)) { + formattingElementEntry = null; + } + } else { + genericEndTagInBody(p, token); + } + + return formattingElementEntry; +} + +//Steps 9 and 10 of the algorithm +function aaObtainFurthestBlock(p, formattingElementEntry) { + let furthestBlock = null; + + for (let i = p.openElements.stackTop; i >= 0; i--) { + const element = p.openElements.items[i]; + + if (element === formattingElementEntry.element) { + break; + } + + if (p._isSpecialElement(element)) { + furthestBlock = element; + } + } + + if (!furthestBlock) { + p.openElements.popUntilElementPopped(formattingElementEntry.element); + p.activeFormattingElements.removeEntry(formattingElementEntry); + } + + return furthestBlock; +} + +//Step 13 of the algorithm +function aaInnerLoop(p, furthestBlock, formattingElement) { + let lastElement = furthestBlock; + let nextElement = p.openElements.getCommonAncestor(furthestBlock); + + for (let i = 0, element = nextElement; element !== formattingElement; i++, element = nextElement) { + //NOTE: store next element for the next loop iteration (it may be deleted from the stack by step 9.5) + nextElement = p.openElements.getCommonAncestor(element); + + const elementEntry = p.activeFormattingElements.getElementEntry(element); + const counterOverflow = elementEntry && i >= AA_INNER_LOOP_ITER; + const shouldRemoveFromOpenElements = !elementEntry || counterOverflow; + + if (shouldRemoveFromOpenElements) { + if (counterOverflow) { + p.activeFormattingElements.removeEntry(elementEntry); + } + + p.openElements.remove(element); + } else { + element = aaRecreateElementFromEntry(p, elementEntry); + + if (lastElement === furthestBlock) { + p.activeFormattingElements.bookmark = elementEntry; + } + + p.treeAdapter.detachNode(lastElement); + p.treeAdapter.appendChild(element, lastElement); + lastElement = element; + } + } + + return lastElement; +} + +//Step 13.7 of the algorithm +function aaRecreateElementFromEntry(p, elementEntry) { + const ns = p.treeAdapter.getNamespaceURI(elementEntry.element); + const newElement = p.treeAdapter.createElement(elementEntry.token.tagName, ns, elementEntry.token.attrs); + + p.openElements.replace(elementEntry.element, newElement); + elementEntry.element = newElement; + + return newElement; +} + +//Step 14 of the algorithm +function aaInsertLastNodeInCommonAncestor(p, commonAncestor, lastElement) { + if (p._isElementCausesFosterParenting(commonAncestor)) { + p._fosterParentElement(lastElement); + } else { + const tn = p.treeAdapter.getTagName(commonAncestor); + const ns = p.treeAdapter.getNamespaceURI(commonAncestor); + + if (tn === $.TEMPLATE && ns === NS.HTML) { + commonAncestor = p.treeAdapter.getTemplateContent(commonAncestor); + } + + p.treeAdapter.appendChild(commonAncestor, lastElement); + } +} + +//Steps 15-19 of the algorithm +function aaReplaceFormattingElement(p, furthestBlock, formattingElementEntry) { + const ns = p.treeAdapter.getNamespaceURI(formattingElementEntry.element); + const token = formattingElementEntry.token; + const newElement = p.treeAdapter.createElement(token.tagName, ns, token.attrs); + + p._adoptNodes(furthestBlock, newElement); + p.treeAdapter.appendChild(furthestBlock, newElement); + + p.activeFormattingElements.insertElementAfterBookmark(newElement, formattingElementEntry.token); + p.activeFormattingElements.removeEntry(formattingElementEntry); + + p.openElements.remove(formattingElementEntry.element); + p.openElements.insertAfter(furthestBlock, newElement); +} + +//Algorithm entry point +function callAdoptionAgency(p, token) { + let formattingElementEntry; + + for (let i = 0; i < AA_OUTER_LOOP_ITER; i++) { + formattingElementEntry = aaObtainFormattingElementEntry(p, token, formattingElementEntry); + + if (!formattingElementEntry) { + break; + } + + const furthestBlock = aaObtainFurthestBlock(p, formattingElementEntry); + + if (!furthestBlock) { + break; + } + + p.activeFormattingElements.bookmark = formattingElementEntry; + + const lastElement = aaInnerLoop(p, furthestBlock, formattingElementEntry.element); + const commonAncestor = p.openElements.getCommonAncestor(formattingElementEntry.element); + + p.treeAdapter.detachNode(lastElement); + aaInsertLastNodeInCommonAncestor(p, commonAncestor, lastElement); + aaReplaceFormattingElement(p, furthestBlock, formattingElementEntry); + } +} + +//Generic token handlers +//------------------------------------------------------------------ +function ignoreToken() { + //NOTE: do nothing =) +} + +function misplacedDoctype(p) { + p._err(ERR.misplacedDoctype); +} + +function appendComment(p, token) { + p._appendCommentNode(token, p.openElements.currentTmplContent || p.openElements.current); +} + +function appendCommentToRootHtmlElement(p, token) { + p._appendCommentNode(token, p.openElements.items[0]); +} + +function appendCommentToDocument(p, token) { + p._appendCommentNode(token, p.document); +} + +function insertCharacters(p, token) { + p._insertCharacters(token); +} + +function stopParsing(p) { + p.stopped = true; +} + +// The "initial" insertion mode +//------------------------------------------------------------------ +function doctypeInInitialMode(p, token) { + p._setDocumentType(token); + + const mode = token.forceQuirks ? HTML.DOCUMENT_MODE.QUIRKS : doctype.getDocumentMode(token); + + if (!doctype.isConforming(token)) { + p._err(ERR.nonConformingDoctype); + } + + p.treeAdapter.setDocumentMode(p.document, mode); + + p.insertionMode = BEFORE_HTML_MODE; +} + +function tokenInInitialMode(p, token) { + p._err(ERR.missingDoctype, { beforeToken: true }); + p.treeAdapter.setDocumentMode(p.document, HTML.DOCUMENT_MODE.QUIRKS); + p.insertionMode = BEFORE_HTML_MODE; + p._processToken(token); +} + +// The "before html" insertion mode +//------------------------------------------------------------------ +function startTagBeforeHtml(p, token) { + if (token.tagName === $.HTML) { + p._insertElement(token, NS.HTML); + p.insertionMode = BEFORE_HEAD_MODE; + } else { + tokenBeforeHtml(p, token); + } +} + +function endTagBeforeHtml(p, token) { + const tn = token.tagName; + + if (tn === $.HTML || tn === $.HEAD || tn === $.BODY || tn === $.BR) { + tokenBeforeHtml(p, token); + } +} + +function tokenBeforeHtml(p, token) { + p._insertFakeRootElement(); + p.insertionMode = BEFORE_HEAD_MODE; + p._processToken(token); +} + +// The "before head" insertion mode +//------------------------------------------------------------------ +function startTagBeforeHead(p, token) { + const tn = token.tagName; + + if (tn === $.HTML) { + startTagInBody(p, token); + } else if (tn === $.HEAD) { + p._insertElement(token, NS.HTML); + p.headElement = p.openElements.current; + p.insertionMode = IN_HEAD_MODE; + } else { + tokenBeforeHead(p, token); + } +} + +function endTagBeforeHead(p, token) { + const tn = token.tagName; + + if (tn === $.HEAD || tn === $.BODY || tn === $.HTML || tn === $.BR) { + tokenBeforeHead(p, token); + } else { + p._err(ERR.endTagWithoutMatchingOpenElement); + } +} + +function tokenBeforeHead(p, token) { + p._insertFakeElement($.HEAD); + p.headElement = p.openElements.current; + p.insertionMode = IN_HEAD_MODE; + p._processToken(token); +} + +// The "in head" insertion mode +//------------------------------------------------------------------ +function startTagInHead(p, token) { + const tn = token.tagName; + + if (tn === $.HTML) { + startTagInBody(p, token); + } else if (tn === $.BASE || tn === $.BASEFONT || tn === $.BGSOUND || tn === $.LINK || tn === $.META) { + p._appendElement(token, NS.HTML); + token.ackSelfClosing = true; + } else if (tn === $.TITLE) { + p._switchToTextParsing(token, Tokenizer.MODE.RCDATA); + } else if (tn === $.NOSCRIPT) { + if (p.options.scriptingEnabled) { + p._switchToTextParsing(token, Tokenizer.MODE.RAWTEXT); + } else { + p._insertElement(token, NS.HTML); + p.insertionMode = IN_HEAD_NO_SCRIPT_MODE; + } + } else if (tn === $.NOFRAMES || tn === $.STYLE) { + p._switchToTextParsing(token, Tokenizer.MODE.RAWTEXT); + } else if (tn === $.SCRIPT) { + p._switchToTextParsing(token, Tokenizer.MODE.SCRIPT_DATA); + } else if (tn === $.TEMPLATE) { + p._insertTemplate(token, NS.HTML); + p.activeFormattingElements.insertMarker(); + p.framesetOk = false; + p.insertionMode = IN_TEMPLATE_MODE; + p._pushTmplInsertionMode(IN_TEMPLATE_MODE); + } else if (tn === $.HEAD) { + p._err(ERR.misplacedStartTagForHeadElement); + } else { + tokenInHead(p, token); + } +} + +function endTagInHead(p, token) { + const tn = token.tagName; + + if (tn === $.HEAD) { + p.openElements.pop(); + p.insertionMode = AFTER_HEAD_MODE; + } else if (tn === $.BODY || tn === $.BR || tn === $.HTML) { + tokenInHead(p, token); + } else if (tn === $.TEMPLATE) { + if (p.openElements.tmplCount > 0) { + p.openElements.generateImpliedEndTagsThoroughly(); + + if (p.openElements.currentTagName !== $.TEMPLATE) { + p._err(ERR.closingOfElementWithOpenChildElements); + } + + p.openElements.popUntilTagNamePopped($.TEMPLATE); + p.activeFormattingElements.clearToLastMarker(); + p._popTmplInsertionMode(); + p._resetInsertionMode(); + } else { + p._err(ERR.endTagWithoutMatchingOpenElement); + } + } else { + p._err(ERR.endTagWithoutMatchingOpenElement); + } +} + +function tokenInHead(p, token) { + p.openElements.pop(); + p.insertionMode = AFTER_HEAD_MODE; + p._processToken(token); +} + +// The "in head no script" insertion mode +//------------------------------------------------------------------ +function startTagInHeadNoScript(p, token) { + const tn = token.tagName; + + if (tn === $.HTML) { + startTagInBody(p, token); + } else if ( + tn === $.BASEFONT || + tn === $.BGSOUND || + tn === $.HEAD || + tn === $.LINK || + tn === $.META || + tn === $.NOFRAMES || + tn === $.STYLE + ) { + startTagInHead(p, token); + } else if (tn === $.NOSCRIPT) { + p._err(ERR.nestedNoscriptInHead); + } else { + tokenInHeadNoScript(p, token); + } +} + +function endTagInHeadNoScript(p, token) { + const tn = token.tagName; + + if (tn === $.NOSCRIPT) { + p.openElements.pop(); + p.insertionMode = IN_HEAD_MODE; + } else if (tn === $.BR) { + tokenInHeadNoScript(p, token); + } else { + p._err(ERR.endTagWithoutMatchingOpenElement); + } +} + +function tokenInHeadNoScript(p, token) { + const errCode = + token.type === Tokenizer.EOF_TOKEN ? ERR.openElementsLeftAfterEof : ERR.disallowedContentInNoscriptInHead; + + p._err(errCode); + p.openElements.pop(); + p.insertionMode = IN_HEAD_MODE; + p._processToken(token); +} + +// The "after head" insertion mode +//------------------------------------------------------------------ +function startTagAfterHead(p, token) { + const tn = token.tagName; + + if (tn === $.HTML) { + startTagInBody(p, token); + } else if (tn === $.BODY) { + p._insertElement(token, NS.HTML); + p.framesetOk = false; + p.insertionMode = IN_BODY_MODE; + } else if (tn === $.FRAMESET) { + p._insertElement(token, NS.HTML); + p.insertionMode = IN_FRAMESET_MODE; + } else if ( + tn === $.BASE || + tn === $.BASEFONT || + tn === $.BGSOUND || + tn === $.LINK || + tn === $.META || + tn === $.NOFRAMES || + tn === $.SCRIPT || + tn === $.STYLE || + tn === $.TEMPLATE || + tn === $.TITLE + ) { + p._err(ERR.abandonedHeadElementChild); + p.openElements.push(p.headElement); + startTagInHead(p, token); + p.openElements.remove(p.headElement); + } else if (tn === $.HEAD) { + p._err(ERR.misplacedStartTagForHeadElement); + } else { + tokenAfterHead(p, token); + } +} + +function endTagAfterHead(p, token) { + const tn = token.tagName; + + if (tn === $.BODY || tn === $.HTML || tn === $.BR) { + tokenAfterHead(p, token); + } else if (tn === $.TEMPLATE) { + endTagInHead(p, token); + } else { + p._err(ERR.endTagWithoutMatchingOpenElement); + } +} + +function tokenAfterHead(p, token) { + p._insertFakeElement($.BODY); + p.insertionMode = IN_BODY_MODE; + p._processToken(token); +} + +// The "in body" insertion mode +//------------------------------------------------------------------ +function whitespaceCharacterInBody(p, token) { + p._reconstructActiveFormattingElements(); + p._insertCharacters(token); +} + +function characterInBody(p, token) { + p._reconstructActiveFormattingElements(); + p._insertCharacters(token); + p.framesetOk = false; +} + +function htmlStartTagInBody(p, token) { + if (p.openElements.tmplCount === 0) { + p.treeAdapter.adoptAttributes(p.openElements.items[0], token.attrs); + } +} + +function bodyStartTagInBody(p, token) { + const bodyElement = p.openElements.tryPeekProperlyNestedBodyElement(); + + if (bodyElement && p.openElements.tmplCount === 0) { + p.framesetOk = false; + p.treeAdapter.adoptAttributes(bodyElement, token.attrs); + } +} + +function framesetStartTagInBody(p, token) { + const bodyElement = p.openElements.tryPeekProperlyNestedBodyElement(); + + if (p.framesetOk && bodyElement) { + p.treeAdapter.detachNode(bodyElement); + p.openElements.popAllUpToHtmlElement(); + p._insertElement(token, NS.HTML); + p.insertionMode = IN_FRAMESET_MODE; + } +} + +function addressStartTagInBody(p, token) { + if (p.openElements.hasInButtonScope($.P)) { + p._closePElement(); + } + + p._insertElement(token, NS.HTML); +} + +function numberedHeaderStartTagInBody(p, token) { + if (p.openElements.hasInButtonScope($.P)) { + p._closePElement(); + } + + const tn = p.openElements.currentTagName; + + if (tn === $.H1 || tn === $.H2 || tn === $.H3 || tn === $.H4 || tn === $.H5 || tn === $.H6) { + p.openElements.pop(); + } + + p._insertElement(token, NS.HTML); +} + +function preStartTagInBody(p, token) { + if (p.openElements.hasInButtonScope($.P)) { + p._closePElement(); + } + + p._insertElement(token, NS.HTML); + //NOTE: If the next token is a U+000A LINE FEED (LF) character token, then ignore that token and move + //on to the next one. (Newlines at the start of pre blocks are ignored as an authoring convenience.) + p.skipNextNewLine = true; + p.framesetOk = false; +} + +function formStartTagInBody(p, token) { + const inTemplate = p.openElements.tmplCount > 0; + + if (!p.formElement || inTemplate) { + if (p.openElements.hasInButtonScope($.P)) { + p._closePElement(); + } + + p._insertElement(token, NS.HTML); + + if (!inTemplate) { + p.formElement = p.openElements.current; + } + } +} + +function listItemStartTagInBody(p, token) { + p.framesetOk = false; + + const tn = token.tagName; + + for (let i = p.openElements.stackTop; i >= 0; i--) { + const element = p.openElements.items[i]; + const elementTn = p.treeAdapter.getTagName(element); + let closeTn = null; + + if (tn === $.LI && elementTn === $.LI) { + closeTn = $.LI; + } else if ((tn === $.DD || tn === $.DT) && (elementTn === $.DD || elementTn === $.DT)) { + closeTn = elementTn; + } + + if (closeTn) { + p.openElements.generateImpliedEndTagsWithExclusion(closeTn); + p.openElements.popUntilTagNamePopped(closeTn); + break; + } + + if (elementTn !== $.ADDRESS && elementTn !== $.DIV && elementTn !== $.P && p._isSpecialElement(element)) { + break; + } + } + + if (p.openElements.hasInButtonScope($.P)) { + p._closePElement(); + } + + p._insertElement(token, NS.HTML); +} + +function plaintextStartTagInBody(p, token) { + if (p.openElements.hasInButtonScope($.P)) { + p._closePElement(); + } + + p._insertElement(token, NS.HTML); + p.tokenizer.state = Tokenizer.MODE.PLAINTEXT; +} + +function buttonStartTagInBody(p, token) { + if (p.openElements.hasInScope($.BUTTON)) { + p.openElements.generateImpliedEndTags(); + p.openElements.popUntilTagNamePopped($.BUTTON); + } + + p._reconstructActiveFormattingElements(); + p._insertElement(token, NS.HTML); + p.framesetOk = false; +} + +function aStartTagInBody(p, token) { + const activeElementEntry = p.activeFormattingElements.getElementEntryInScopeWithTagName($.A); + + if (activeElementEntry) { + callAdoptionAgency(p, token); + p.openElements.remove(activeElementEntry.element); + p.activeFormattingElements.removeEntry(activeElementEntry); + } + + p._reconstructActiveFormattingElements(); + p._insertElement(token, NS.HTML); + p.activeFormattingElements.pushElement(p.openElements.current, token); +} + +function bStartTagInBody(p, token) { + p._reconstructActiveFormattingElements(); + p._insertElement(token, NS.HTML); + p.activeFormattingElements.pushElement(p.openElements.current, token); +} + +function nobrStartTagInBody(p, token) { + p._reconstructActiveFormattingElements(); + + if (p.openElements.hasInScope($.NOBR)) { + callAdoptionAgency(p, token); + p._reconstructActiveFormattingElements(); + } + + p._insertElement(token, NS.HTML); + p.activeFormattingElements.pushElement(p.openElements.current, token); +} + +function appletStartTagInBody(p, token) { + p._reconstructActiveFormattingElements(); + p._insertElement(token, NS.HTML); + p.activeFormattingElements.insertMarker(); + p.framesetOk = false; +} + +function tableStartTagInBody(p, token) { + if ( + p.treeAdapter.getDocumentMode(p.document) !== HTML.DOCUMENT_MODE.QUIRKS && + p.openElements.hasInButtonScope($.P) + ) { + p._closePElement(); + } + + p._insertElement(token, NS.HTML); + p.framesetOk = false; + p.insertionMode = IN_TABLE_MODE; +} + +function areaStartTagInBody(p, token) { + p._reconstructActiveFormattingElements(); + p._appendElement(token, NS.HTML); + p.framesetOk = false; + token.ackSelfClosing = true; +} + +function inputStartTagInBody(p, token) { + p._reconstructActiveFormattingElements(); + p._appendElement(token, NS.HTML); + + const inputType = Tokenizer.getTokenAttr(token, ATTRS.TYPE); + + if (!inputType || inputType.toLowerCase() !== HIDDEN_INPUT_TYPE) { + p.framesetOk = false; + } + + token.ackSelfClosing = true; +} + +function paramStartTagInBody(p, token) { + p._appendElement(token, NS.HTML); + token.ackSelfClosing = true; +} + +function hrStartTagInBody(p, token) { + if (p.openElements.hasInButtonScope($.P)) { + p._closePElement(); + } + + p._appendElement(token, NS.HTML); + p.framesetOk = false; + token.ackSelfClosing = true; +} + +function imageStartTagInBody(p, token) { + token.tagName = $.IMG; + areaStartTagInBody(p, token); +} + +function textareaStartTagInBody(p, token) { + p._insertElement(token, NS.HTML); + //NOTE: If the next token is a U+000A LINE FEED (LF) character token, then ignore that token and move + //on to the next one. (Newlines at the start of textarea elements are ignored as an authoring convenience.) + p.skipNextNewLine = true; + p.tokenizer.state = Tokenizer.MODE.RCDATA; + p.originalInsertionMode = p.insertionMode; + p.framesetOk = false; + p.insertionMode = TEXT_MODE; +} + +function xmpStartTagInBody(p, token) { + if (p.openElements.hasInButtonScope($.P)) { + p._closePElement(); + } + + p._reconstructActiveFormattingElements(); + p.framesetOk = false; + p._switchToTextParsing(token, Tokenizer.MODE.RAWTEXT); +} + +function iframeStartTagInBody(p, token) { + p.framesetOk = false; + p._switchToTextParsing(token, Tokenizer.MODE.RAWTEXT); +} + +//NOTE: here we assume that we always act as an user agent with enabled plugins, so we parse +//<noembed> as a rawtext. +function noembedStartTagInBody(p, token) { + p._switchToTextParsing(token, Tokenizer.MODE.RAWTEXT); +} + +function selectStartTagInBody(p, token) { + p._reconstructActiveFormattingElements(); + p._insertElement(token, NS.HTML); + p.framesetOk = false; + + if ( + p.insertionMode === IN_TABLE_MODE || + p.insertionMode === IN_CAPTION_MODE || + p.insertionMode === IN_TABLE_BODY_MODE || + p.insertionMode === IN_ROW_MODE || + p.insertionMode === IN_CELL_MODE + ) { + p.insertionMode = IN_SELECT_IN_TABLE_MODE; + } else { + p.insertionMode = IN_SELECT_MODE; + } +} + +function optgroupStartTagInBody(p, token) { + if (p.openElements.currentTagName === $.OPTION) { + p.openElements.pop(); + } + + p._reconstructActiveFormattingElements(); + p._insertElement(token, NS.HTML); +} + +function rbStartTagInBody(p, token) { + if (p.openElements.hasInScope($.RUBY)) { + p.openElements.generateImpliedEndTags(); + } + + p._insertElement(token, NS.HTML); +} + +function rtStartTagInBody(p, token) { + if (p.openElements.hasInScope($.RUBY)) { + p.openElements.generateImpliedEndTagsWithExclusion($.RTC); + } + + p._insertElement(token, NS.HTML); +} + +function menuStartTagInBody(p, token) { + if (p.openElements.hasInButtonScope($.P)) { + p._closePElement(); + } + + p._insertElement(token, NS.HTML); +} + +function mathStartTagInBody(p, token) { + p._reconstructActiveFormattingElements(); + + foreignContent.adjustTokenMathMLAttrs(token); + foreignContent.adjustTokenXMLAttrs(token); + + if (token.selfClosing) { + p._appendElement(token, NS.MATHML); + } else { + p._insertElement(token, NS.MATHML); + } + + token.ackSelfClosing = true; +} + +function svgStartTagInBody(p, token) { + p._reconstructActiveFormattingElements(); + + foreignContent.adjustTokenSVGAttrs(token); + foreignContent.adjustTokenXMLAttrs(token); + + if (token.selfClosing) { + p._appendElement(token, NS.SVG); + } else { + p._insertElement(token, NS.SVG); + } + + token.ackSelfClosing = true; +} + +function genericStartTagInBody(p, token) { + p._reconstructActiveFormattingElements(); + p._insertElement(token, NS.HTML); +} + +//OPTIMIZATION: Integer comparisons are low-cost, so we can use very fast tag name length filters here. +//It's faster than using dictionary. +function startTagInBody(p, token) { + const tn = token.tagName; + + switch (tn.length) { + case 1: + if (tn === $.I || tn === $.S || tn === $.B || tn === $.U) { + bStartTagInBody(p, token); + } else if (tn === $.P) { + addressStartTagInBody(p, token); + } else if (tn === $.A) { + aStartTagInBody(p, token); + } else { + genericStartTagInBody(p, token); + } + + break; + + case 2: + if (tn === $.DL || tn === $.OL || tn === $.UL) { + addressStartTagInBody(p, token); + } else if (tn === $.H1 || tn === $.H2 || tn === $.H3 || tn === $.H4 || tn === $.H5 || tn === $.H6) { + numberedHeaderStartTagInBody(p, token); + } else if (tn === $.LI || tn === $.DD || tn === $.DT) { + listItemStartTagInBody(p, token); + } else if (tn === $.EM || tn === $.TT) { + bStartTagInBody(p, token); + } else if (tn === $.BR) { + areaStartTagInBody(p, token); + } else if (tn === $.HR) { + hrStartTagInBody(p, token); + } else if (tn === $.RB) { + rbStartTagInBody(p, token); + } else if (tn === $.RT || tn === $.RP) { + rtStartTagInBody(p, token); + } else if (tn !== $.TH && tn !== $.TD && tn !== $.TR) { + genericStartTagInBody(p, token); + } + + break; + + case 3: + if (tn === $.DIV || tn === $.DIR || tn === $.NAV) { + addressStartTagInBody(p, token); + } else if (tn === $.PRE) { + preStartTagInBody(p, token); + } else if (tn === $.BIG) { + bStartTagInBody(p, token); + } else if (tn === $.IMG || tn === $.WBR) { + areaStartTagInBody(p, token); + } else if (tn === $.XMP) { + xmpStartTagInBody(p, token); + } else if (tn === $.SVG) { + svgStartTagInBody(p, token); + } else if (tn === $.RTC) { + rbStartTagInBody(p, token); + } else if (tn !== $.COL) { + genericStartTagInBody(p, token); + } + + break; + + case 4: + if (tn === $.HTML) { + htmlStartTagInBody(p, token); + } else if (tn === $.BASE || tn === $.LINK || tn === $.META) { + startTagInHead(p, token); + } else if (tn === $.BODY) { + bodyStartTagInBody(p, token); + } else if (tn === $.MAIN || tn === $.MENU) { + addressStartTagInBody(p, token); + } else if (tn === $.FORM) { + formStartTagInBody(p, token); + } else if (tn === $.CODE || tn === $.FONT) { + bStartTagInBody(p, token); + } else if (tn === $.NOBR) { + nobrStartTagInBody(p, token); + } else if (tn === $.AREA) { + areaStartTagInBody(p, token); + } else if (tn === $.MATH) { + mathStartTagInBody(p, token); + } else if (tn === $.MENU) { + menuStartTagInBody(p, token); + } else if (tn !== $.HEAD) { + genericStartTagInBody(p, token); + } + + break; + + case 5: + if (tn === $.STYLE || tn === $.TITLE) { + startTagInHead(p, token); + } else if (tn === $.ASIDE) { + addressStartTagInBody(p, token); + } else if (tn === $.SMALL) { + bStartTagInBody(p, token); + } else if (tn === $.TABLE) { + tableStartTagInBody(p, token); + } else if (tn === $.EMBED) { + areaStartTagInBody(p, token); + } else if (tn === $.INPUT) { + inputStartTagInBody(p, token); + } else if (tn === $.PARAM || tn === $.TRACK) { + paramStartTagInBody(p, token); + } else if (tn === $.IMAGE) { + imageStartTagInBody(p, token); + } else if (tn !== $.FRAME && tn !== $.TBODY && tn !== $.TFOOT && tn !== $.THEAD) { + genericStartTagInBody(p, token); + } + + break; + + case 6: + if (tn === $.SCRIPT) { + startTagInHead(p, token); + } else if ( + tn === $.CENTER || + tn === $.FIGURE || + tn === $.FOOTER || + tn === $.HEADER || + tn === $.HGROUP || + tn === $.DIALOG + ) { + addressStartTagInBody(p, token); + } else if (tn === $.BUTTON) { + buttonStartTagInBody(p, token); + } else if (tn === $.STRIKE || tn === $.STRONG) { + bStartTagInBody(p, token); + } else if (tn === $.APPLET || tn === $.OBJECT) { + appletStartTagInBody(p, token); + } else if (tn === $.KEYGEN) { + areaStartTagInBody(p, token); + } else if (tn === $.SOURCE) { + paramStartTagInBody(p, token); + } else if (tn === $.IFRAME) { + iframeStartTagInBody(p, token); + } else if (tn === $.SELECT) { + selectStartTagInBody(p, token); + } else if (tn === $.OPTION) { + optgroupStartTagInBody(p, token); + } else { + genericStartTagInBody(p, token); + } + + break; + + case 7: + if (tn === $.BGSOUND) { + startTagInHead(p, token); + } else if ( + tn === $.DETAILS || + tn === $.ADDRESS || + tn === $.ARTICLE || + tn === $.SECTION || + tn === $.SUMMARY + ) { + addressStartTagInBody(p, token); + } else if (tn === $.LISTING) { + preStartTagInBody(p, token); + } else if (tn === $.MARQUEE) { + appletStartTagInBody(p, token); + } else if (tn === $.NOEMBED) { + noembedStartTagInBody(p, token); + } else if (tn !== $.CAPTION) { + genericStartTagInBody(p, token); + } + + break; + + case 8: + if (tn === $.BASEFONT) { + startTagInHead(p, token); + } else if (tn === $.FRAMESET) { + framesetStartTagInBody(p, token); + } else if (tn === $.FIELDSET) { + addressStartTagInBody(p, token); + } else if (tn === $.TEXTAREA) { + textareaStartTagInBody(p, token); + } else if (tn === $.TEMPLATE) { + startTagInHead(p, token); + } else if (tn === $.NOSCRIPT) { + if (p.options.scriptingEnabled) { + noembedStartTagInBody(p, token); + } else { + genericStartTagInBody(p, token); + } + } else if (tn === $.OPTGROUP) { + optgroupStartTagInBody(p, token); + } else if (tn !== $.COLGROUP) { + genericStartTagInBody(p, token); + } + + break; + + case 9: + if (tn === $.PLAINTEXT) { + plaintextStartTagInBody(p, token); + } else { + genericStartTagInBody(p, token); + } + + break; + + case 10: + if (tn === $.BLOCKQUOTE || tn === $.FIGCAPTION) { + addressStartTagInBody(p, token); + } else { + genericStartTagInBody(p, token); + } + + break; + + default: + genericStartTagInBody(p, token); + } +} + +function bodyEndTagInBody(p) { + if (p.openElements.hasInScope($.BODY)) { + p.insertionMode = AFTER_BODY_MODE; + } +} + +function htmlEndTagInBody(p, token) { + if (p.openElements.hasInScope($.BODY)) { + p.insertionMode = AFTER_BODY_MODE; + p._processToken(token); + } +} + +function addressEndTagInBody(p, token) { + const tn = token.tagName; + + if (p.openElements.hasInScope(tn)) { + p.openElements.generateImpliedEndTags(); + p.openElements.popUntilTagNamePopped(tn); + } +} + +function formEndTagInBody(p) { + const inTemplate = p.openElements.tmplCount > 0; + const formElement = p.formElement; + + if (!inTemplate) { + p.formElement = null; + } + + if ((formElement || inTemplate) && p.openElements.hasInScope($.FORM)) { + p.openElements.generateImpliedEndTags(); + + if (inTemplate) { + p.openElements.popUntilTagNamePopped($.FORM); + } else { + p.openElements.remove(formElement); + } + } +} + +function pEndTagInBody(p) { + if (!p.openElements.hasInButtonScope($.P)) { + p._insertFakeElement($.P); + } + + p._closePElement(); +} + +function liEndTagInBody(p) { + if (p.openElements.hasInListItemScope($.LI)) { + p.openElements.generateImpliedEndTagsWithExclusion($.LI); + p.openElements.popUntilTagNamePopped($.LI); + } +} + +function ddEndTagInBody(p, token) { + const tn = token.tagName; + + if (p.openElements.hasInScope(tn)) { + p.openElements.generateImpliedEndTagsWithExclusion(tn); + p.openElements.popUntilTagNamePopped(tn); + } +} + +function numberedHeaderEndTagInBody(p) { + if (p.openElements.hasNumberedHeaderInScope()) { + p.openElements.generateImpliedEndTags(); + p.openElements.popUntilNumberedHeaderPopped(); + } +} + +function appletEndTagInBody(p, token) { + const tn = token.tagName; + + if (p.openElements.hasInScope(tn)) { + p.openElements.generateImpliedEndTags(); + p.openElements.popUntilTagNamePopped(tn); + p.activeFormattingElements.clearToLastMarker(); + } +} + +function brEndTagInBody(p) { + p._reconstructActiveFormattingElements(); + p._insertFakeElement($.BR); + p.openElements.pop(); + p.framesetOk = false; +} + +function genericEndTagInBody(p, token) { + const tn = token.tagName; + + for (let i = p.openElements.stackTop; i > 0; i--) { + const element = p.openElements.items[i]; + + if (p.treeAdapter.getTagName(element) === tn) { + p.openElements.generateImpliedEndTagsWithExclusion(tn); + p.openElements.popUntilElementPopped(element); + break; + } + + if (p._isSpecialElement(element)) { + break; + } + } +} + +//OPTIMIZATION: Integer comparisons are low-cost, so we can use very fast tag name length filters here. +//It's faster than using dictionary. +function endTagInBody(p, token) { + const tn = token.tagName; + + switch (tn.length) { + case 1: + if (tn === $.A || tn === $.B || tn === $.I || tn === $.S || tn === $.U) { + callAdoptionAgency(p, token); + } else if (tn === $.P) { + pEndTagInBody(p, token); + } else { + genericEndTagInBody(p, token); + } + + break; + + case 2: + if (tn === $.DL || tn === $.UL || tn === $.OL) { + addressEndTagInBody(p, token); + } else if (tn === $.LI) { + liEndTagInBody(p, token); + } else if (tn === $.DD || tn === $.DT) { + ddEndTagInBody(p, token); + } else if (tn === $.H1 || tn === $.H2 || tn === $.H3 || tn === $.H4 || tn === $.H5 || tn === $.H6) { + numberedHeaderEndTagInBody(p, token); + } else if (tn === $.BR) { + brEndTagInBody(p, token); + } else if (tn === $.EM || tn === $.TT) { + callAdoptionAgency(p, token); + } else { + genericEndTagInBody(p, token); + } + + break; + + case 3: + if (tn === $.BIG) { + callAdoptionAgency(p, token); + } else if (tn === $.DIR || tn === $.DIV || tn === $.NAV || tn === $.PRE) { + addressEndTagInBody(p, token); + } else { + genericEndTagInBody(p, token); + } + + break; + + case 4: + if (tn === $.BODY) { + bodyEndTagInBody(p, token); + } else if (tn === $.HTML) { + htmlEndTagInBody(p, token); + } else if (tn === $.FORM) { + formEndTagInBody(p, token); + } else if (tn === $.CODE || tn === $.FONT || tn === $.NOBR) { + callAdoptionAgency(p, token); + } else if (tn === $.MAIN || tn === $.MENU) { + addressEndTagInBody(p, token); + } else { + genericEndTagInBody(p, token); + } + + break; + + case 5: + if (tn === $.ASIDE) { + addressEndTagInBody(p, token); + } else if (tn === $.SMALL) { + callAdoptionAgency(p, token); + } else { + genericEndTagInBody(p, token); + } + + break; + + case 6: + if ( + tn === $.CENTER || + tn === $.FIGURE || + tn === $.FOOTER || + tn === $.HEADER || + tn === $.HGROUP || + tn === $.DIALOG + ) { + addressEndTagInBody(p, token); + } else if (tn === $.APPLET || tn === $.OBJECT) { + appletEndTagInBody(p, token); + } else if (tn === $.STRIKE || tn === $.STRONG) { + callAdoptionAgency(p, token); + } else { + genericEndTagInBody(p, token); + } + + break; + + case 7: + if ( + tn === $.ADDRESS || + tn === $.ARTICLE || + tn === $.DETAILS || + tn === $.SECTION || + tn === $.SUMMARY || + tn === $.LISTING + ) { + addressEndTagInBody(p, token); + } else if (tn === $.MARQUEE) { + appletEndTagInBody(p, token); + } else { + genericEndTagInBody(p, token); + } + + break; + + case 8: + if (tn === $.FIELDSET) { + addressEndTagInBody(p, token); + } else if (tn === $.TEMPLATE) { + endTagInHead(p, token); + } else { + genericEndTagInBody(p, token); + } + + break; + + case 10: + if (tn === $.BLOCKQUOTE || tn === $.FIGCAPTION) { + addressEndTagInBody(p, token); + } else { + genericEndTagInBody(p, token); + } + + break; + + default: + genericEndTagInBody(p, token); + } +} + +function eofInBody(p, token) { + if (p.tmplInsertionModeStackTop > -1) { + eofInTemplate(p, token); + } else { + p.stopped = true; + } +} + +// The "text" insertion mode +//------------------------------------------------------------------ +function endTagInText(p, token) { + if (token.tagName === $.SCRIPT) { + p.pendingScript = p.openElements.current; + } + + p.openElements.pop(); + p.insertionMode = p.originalInsertionMode; +} + +function eofInText(p, token) { + p._err(ERR.eofInElementThatCanContainOnlyText); + p.openElements.pop(); + p.insertionMode = p.originalInsertionMode; + p._processToken(token); +} + +// The "in table" insertion mode +//------------------------------------------------------------------ +function characterInTable(p, token) { + const curTn = p.openElements.currentTagName; + + if (curTn === $.TABLE || curTn === $.TBODY || curTn === $.TFOOT || curTn === $.THEAD || curTn === $.TR) { + p.pendingCharacterTokens = []; + p.hasNonWhitespacePendingCharacterToken = false; + p.originalInsertionMode = p.insertionMode; + p.insertionMode = IN_TABLE_TEXT_MODE; + p._processToken(token); + } else { + tokenInTable(p, token); + } +} + +function captionStartTagInTable(p, token) { + p.openElements.clearBackToTableContext(); + p.activeFormattingElements.insertMarker(); + p._insertElement(token, NS.HTML); + p.insertionMode = IN_CAPTION_MODE; +} + +function colgroupStartTagInTable(p, token) { + p.openElements.clearBackToTableContext(); + p._insertElement(token, NS.HTML); + p.insertionMode = IN_COLUMN_GROUP_MODE; +} + +function colStartTagInTable(p, token) { + p.openElements.clearBackToTableContext(); + p._insertFakeElement($.COLGROUP); + p.insertionMode = IN_COLUMN_GROUP_MODE; + p._processToken(token); +} + +function tbodyStartTagInTable(p, token) { + p.openElements.clearBackToTableContext(); + p._insertElement(token, NS.HTML); + p.insertionMode = IN_TABLE_BODY_MODE; +} + +function tdStartTagInTable(p, token) { + p.openElements.clearBackToTableContext(); + p._insertFakeElement($.TBODY); + p.insertionMode = IN_TABLE_BODY_MODE; + p._processToken(token); +} + +function tableStartTagInTable(p, token) { + if (p.openElements.hasInTableScope($.TABLE)) { + p.openElements.popUntilTagNamePopped($.TABLE); + p._resetInsertionMode(); + p._processToken(token); + } +} + +function inputStartTagInTable(p, token) { + const inputType = Tokenizer.getTokenAttr(token, ATTRS.TYPE); + + if (inputType && inputType.toLowerCase() === HIDDEN_INPUT_TYPE) { + p._appendElement(token, NS.HTML); + } else { + tokenInTable(p, token); + } + + token.ackSelfClosing = true; +} + +function formStartTagInTable(p, token) { + if (!p.formElement && p.openElements.tmplCount === 0) { + p._insertElement(token, NS.HTML); + p.formElement = p.openElements.current; + p.openElements.pop(); + } +} + +function startTagInTable(p, token) { + const tn = token.tagName; + + switch (tn.length) { + case 2: + if (tn === $.TD || tn === $.TH || tn === $.TR) { + tdStartTagInTable(p, token); + } else { + tokenInTable(p, token); + } + + break; + + case 3: + if (tn === $.COL) { + colStartTagInTable(p, token); + } else { + tokenInTable(p, token); + } + + break; + + case 4: + if (tn === $.FORM) { + formStartTagInTable(p, token); + } else { + tokenInTable(p, token); + } + + break; + + case 5: + if (tn === $.TABLE) { + tableStartTagInTable(p, token); + } else if (tn === $.STYLE) { + startTagInHead(p, token); + } else if (tn === $.TBODY || tn === $.TFOOT || tn === $.THEAD) { + tbodyStartTagInTable(p, token); + } else if (tn === $.INPUT) { + inputStartTagInTable(p, token); + } else { + tokenInTable(p, token); + } + + break; + + case 6: + if (tn === $.SCRIPT) { + startTagInHead(p, token); + } else { + tokenInTable(p, token); + } + + break; + + case 7: + if (tn === $.CAPTION) { + captionStartTagInTable(p, token); + } else { + tokenInTable(p, token); + } + + break; + + case 8: + if (tn === $.COLGROUP) { + colgroupStartTagInTable(p, token); + } else if (tn === $.TEMPLATE) { + startTagInHead(p, token); + } else { + tokenInTable(p, token); + } + + break; + + default: + tokenInTable(p, token); + } +} + +function endTagInTable(p, token) { + const tn = token.tagName; + + if (tn === $.TABLE) { + if (p.openElements.hasInTableScope($.TABLE)) { + p.openElements.popUntilTagNamePopped($.TABLE); + p._resetInsertionMode(); + } + } else if (tn === $.TEMPLATE) { + endTagInHead(p, token); + } else if ( + tn !== $.BODY && + tn !== $.CAPTION && + tn !== $.COL && + tn !== $.COLGROUP && + tn !== $.HTML && + tn !== $.TBODY && + tn !== $.TD && + tn !== $.TFOOT && + tn !== $.TH && + tn !== $.THEAD && + tn !== $.TR + ) { + tokenInTable(p, token); + } +} + +function tokenInTable(p, token) { + const savedFosterParentingState = p.fosterParentingEnabled; + + p.fosterParentingEnabled = true; + p._processTokenInBodyMode(token); + p.fosterParentingEnabled = savedFosterParentingState; +} + +// The "in table text" insertion mode +//------------------------------------------------------------------ +function whitespaceCharacterInTableText(p, token) { + p.pendingCharacterTokens.push(token); +} + +function characterInTableText(p, token) { + p.pendingCharacterTokens.push(token); + p.hasNonWhitespacePendingCharacterToken = true; +} + +function tokenInTableText(p, token) { + let i = 0; + + if (p.hasNonWhitespacePendingCharacterToken) { + for (; i < p.pendingCharacterTokens.length; i++) { + tokenInTable(p, p.pendingCharacterTokens[i]); + } + } else { + for (; i < p.pendingCharacterTokens.length; i++) { + p._insertCharacters(p.pendingCharacterTokens[i]); + } + } + + p.insertionMode = p.originalInsertionMode; + p._processToken(token); +} + +// The "in caption" insertion mode +//------------------------------------------------------------------ +function startTagInCaption(p, token) { + const tn = token.tagName; + + if ( + tn === $.CAPTION || + tn === $.COL || + tn === $.COLGROUP || + tn === $.TBODY || + tn === $.TD || + tn === $.TFOOT || + tn === $.TH || + tn === $.THEAD || + tn === $.TR + ) { + if (p.openElements.hasInTableScope($.CAPTION)) { + p.openElements.generateImpliedEndTags(); + p.openElements.popUntilTagNamePopped($.CAPTION); + p.activeFormattingElements.clearToLastMarker(); + p.insertionMode = IN_TABLE_MODE; + p._processToken(token); + } + } else { + startTagInBody(p, token); + } +} + +function endTagInCaption(p, token) { + const tn = token.tagName; + + if (tn === $.CAPTION || tn === $.TABLE) { + if (p.openElements.hasInTableScope($.CAPTION)) { + p.openElements.generateImpliedEndTags(); + p.openElements.popUntilTagNamePopped($.CAPTION); + p.activeFormattingElements.clearToLastMarker(); + p.insertionMode = IN_TABLE_MODE; + + if (tn === $.TABLE) { + p._processToken(token); + } + } + } else if ( + tn !== $.BODY && + tn !== $.COL && + tn !== $.COLGROUP && + tn !== $.HTML && + tn !== $.TBODY && + tn !== $.TD && + tn !== $.TFOOT && + tn !== $.TH && + tn !== $.THEAD && + tn !== $.TR + ) { + endTagInBody(p, token); + } +} + +// The "in column group" insertion mode +//------------------------------------------------------------------ +function startTagInColumnGroup(p, token) { + const tn = token.tagName; + + if (tn === $.HTML) { + startTagInBody(p, token); + } else if (tn === $.COL) { + p._appendElement(token, NS.HTML); + token.ackSelfClosing = true; + } else if (tn === $.TEMPLATE) { + startTagInHead(p, token); + } else { + tokenInColumnGroup(p, token); + } +} + +function endTagInColumnGroup(p, token) { + const tn = token.tagName; + + if (tn === $.COLGROUP) { + if (p.openElements.currentTagName === $.COLGROUP) { + p.openElements.pop(); + p.insertionMode = IN_TABLE_MODE; + } + } else if (tn === $.TEMPLATE) { + endTagInHead(p, token); + } else if (tn !== $.COL) { + tokenInColumnGroup(p, token); + } +} + +function tokenInColumnGroup(p, token) { + if (p.openElements.currentTagName === $.COLGROUP) { + p.openElements.pop(); + p.insertionMode = IN_TABLE_MODE; + p._processToken(token); + } +} + +// The "in table body" insertion mode +//------------------------------------------------------------------ +function startTagInTableBody(p, token) { + const tn = token.tagName; + + if (tn === $.TR) { + p.openElements.clearBackToTableBodyContext(); + p._insertElement(token, NS.HTML); + p.insertionMode = IN_ROW_MODE; + } else if (tn === $.TH || tn === $.TD) { + p.openElements.clearBackToTableBodyContext(); + p._insertFakeElement($.TR); + p.insertionMode = IN_ROW_MODE; + p._processToken(token); + } else if ( + tn === $.CAPTION || + tn === $.COL || + tn === $.COLGROUP || + tn === $.TBODY || + tn === $.TFOOT || + tn === $.THEAD + ) { + if (p.openElements.hasTableBodyContextInTableScope()) { + p.openElements.clearBackToTableBodyContext(); + p.openElements.pop(); + p.insertionMode = IN_TABLE_MODE; + p._processToken(token); + } + } else { + startTagInTable(p, token); + } +} + +function endTagInTableBody(p, token) { + const tn = token.tagName; + + if (tn === $.TBODY || tn === $.TFOOT || tn === $.THEAD) { + if (p.openElements.hasInTableScope(tn)) { + p.openElements.clearBackToTableBodyContext(); + p.openElements.pop(); + p.insertionMode = IN_TABLE_MODE; + } + } else if (tn === $.TABLE) { + if (p.openElements.hasTableBodyContextInTableScope()) { + p.openElements.clearBackToTableBodyContext(); + p.openElements.pop(); + p.insertionMode = IN_TABLE_MODE; + p._processToken(token); + } + } else if ( + (tn !== $.BODY && tn !== $.CAPTION && tn !== $.COL && tn !== $.COLGROUP) || + (tn !== $.HTML && tn !== $.TD && tn !== $.TH && tn !== $.TR) + ) { + endTagInTable(p, token); + } +} + +// The "in row" insertion mode +//------------------------------------------------------------------ +function startTagInRow(p, token) { + const tn = token.tagName; + + if (tn === $.TH || tn === $.TD) { + p.openElements.clearBackToTableRowContext(); + p._insertElement(token, NS.HTML); + p.insertionMode = IN_CELL_MODE; + p.activeFormattingElements.insertMarker(); + } else if ( + tn === $.CAPTION || + tn === $.COL || + tn === $.COLGROUP || + tn === $.TBODY || + tn === $.TFOOT || + tn === $.THEAD || + tn === $.TR + ) { + if (p.openElements.hasInTableScope($.TR)) { + p.openElements.clearBackToTableRowContext(); + p.openElements.pop(); + p.insertionMode = IN_TABLE_BODY_MODE; + p._processToken(token); + } + } else { + startTagInTable(p, token); + } +} + +function endTagInRow(p, token) { + const tn = token.tagName; + + if (tn === $.TR) { + if (p.openElements.hasInTableScope($.TR)) { + p.openElements.clearBackToTableRowContext(); + p.openElements.pop(); + p.insertionMode = IN_TABLE_BODY_MODE; + } + } else if (tn === $.TABLE) { + if (p.openElements.hasInTableScope($.TR)) { + p.openElements.clearBackToTableRowContext(); + p.openElements.pop(); + p.insertionMode = IN_TABLE_BODY_MODE; + p._processToken(token); + } + } else if (tn === $.TBODY || tn === $.TFOOT || tn === $.THEAD) { + if (p.openElements.hasInTableScope(tn) || p.openElements.hasInTableScope($.TR)) { + p.openElements.clearBackToTableRowContext(); + p.openElements.pop(); + p.insertionMode = IN_TABLE_BODY_MODE; + p._processToken(token); + } + } else if ( + (tn !== $.BODY && tn !== $.CAPTION && tn !== $.COL && tn !== $.COLGROUP) || + (tn !== $.HTML && tn !== $.TD && tn !== $.TH) + ) { + endTagInTable(p, token); + } +} + +// The "in cell" insertion mode +//------------------------------------------------------------------ +function startTagInCell(p, token) { + const tn = token.tagName; + + if ( + tn === $.CAPTION || + tn === $.COL || + tn === $.COLGROUP || + tn === $.TBODY || + tn === $.TD || + tn === $.TFOOT || + tn === $.TH || + tn === $.THEAD || + tn === $.TR + ) { + if (p.openElements.hasInTableScope($.TD) || p.openElements.hasInTableScope($.TH)) { + p._closeTableCell(); + p._processToken(token); + } + } else { + startTagInBody(p, token); + } +} + +function endTagInCell(p, token) { + const tn = token.tagName; + + if (tn === $.TD || tn === $.TH) { + if (p.openElements.hasInTableScope(tn)) { + p.openElements.generateImpliedEndTags(); + p.openElements.popUntilTagNamePopped(tn); + p.activeFormattingElements.clearToLastMarker(); + p.insertionMode = IN_ROW_MODE; + } + } else if (tn === $.TABLE || tn === $.TBODY || tn === $.TFOOT || tn === $.THEAD || tn === $.TR) { + if (p.openElements.hasInTableScope(tn)) { + p._closeTableCell(); + p._processToken(token); + } + } else if (tn !== $.BODY && tn !== $.CAPTION && tn !== $.COL && tn !== $.COLGROUP && tn !== $.HTML) { + endTagInBody(p, token); + } +} + +// The "in select" insertion mode +//------------------------------------------------------------------ +function startTagInSelect(p, token) { + const tn = token.tagName; + + if (tn === $.HTML) { + startTagInBody(p, token); + } else if (tn === $.OPTION) { + if (p.openElements.currentTagName === $.OPTION) { + p.openElements.pop(); + } + + p._insertElement(token, NS.HTML); + } else if (tn === $.OPTGROUP) { + if (p.openElements.currentTagName === $.OPTION) { + p.openElements.pop(); + } + + if (p.openElements.currentTagName === $.OPTGROUP) { + p.openElements.pop(); + } + + p._insertElement(token, NS.HTML); + } else if (tn === $.INPUT || tn === $.KEYGEN || tn === $.TEXTAREA || tn === $.SELECT) { + if (p.openElements.hasInSelectScope($.SELECT)) { + p.openElements.popUntilTagNamePopped($.SELECT); + p._resetInsertionMode(); + + if (tn !== $.SELECT) { + p._processToken(token); + } + } + } else if (tn === $.SCRIPT || tn === $.TEMPLATE) { + startTagInHead(p, token); + } +} + +function endTagInSelect(p, token) { + const tn = token.tagName; + + if (tn === $.OPTGROUP) { + const prevOpenElement = p.openElements.items[p.openElements.stackTop - 1]; + const prevOpenElementTn = prevOpenElement && p.treeAdapter.getTagName(prevOpenElement); + + if (p.openElements.currentTagName === $.OPTION && prevOpenElementTn === $.OPTGROUP) { + p.openElements.pop(); + } + + if (p.openElements.currentTagName === $.OPTGROUP) { + p.openElements.pop(); + } + } else if (tn === $.OPTION) { + if (p.openElements.currentTagName === $.OPTION) { + p.openElements.pop(); + } + } else if (tn === $.SELECT && p.openElements.hasInSelectScope($.SELECT)) { + p.openElements.popUntilTagNamePopped($.SELECT); + p._resetInsertionMode(); + } else if (tn === $.TEMPLATE) { + endTagInHead(p, token); + } +} + +//12.2.5.4.17 The "in select in table" insertion mode +//------------------------------------------------------------------ +function startTagInSelectInTable(p, token) { + const tn = token.tagName; + + if ( + tn === $.CAPTION || + tn === $.TABLE || + tn === $.TBODY || + tn === $.TFOOT || + tn === $.THEAD || + tn === $.TR || + tn === $.TD || + tn === $.TH + ) { + p.openElements.popUntilTagNamePopped($.SELECT); + p._resetInsertionMode(); + p._processToken(token); + } else { + startTagInSelect(p, token); + } +} + +function endTagInSelectInTable(p, token) { + const tn = token.tagName; + + if ( + tn === $.CAPTION || + tn === $.TABLE || + tn === $.TBODY || + tn === $.TFOOT || + tn === $.THEAD || + tn === $.TR || + tn === $.TD || + tn === $.TH + ) { + if (p.openElements.hasInTableScope(tn)) { + p.openElements.popUntilTagNamePopped($.SELECT); + p._resetInsertionMode(); + p._processToken(token); + } + } else { + endTagInSelect(p, token); + } +} + +// The "in template" insertion mode +//------------------------------------------------------------------ +function startTagInTemplate(p, token) { + const tn = token.tagName; + + if ( + tn === $.BASE || + tn === $.BASEFONT || + tn === $.BGSOUND || + tn === $.LINK || + tn === $.META || + tn === $.NOFRAMES || + tn === $.SCRIPT || + tn === $.STYLE || + tn === $.TEMPLATE || + tn === $.TITLE + ) { + startTagInHead(p, token); + } else { + const newInsertionMode = TEMPLATE_INSERTION_MODE_SWITCH_MAP[tn] || IN_BODY_MODE; + + p._popTmplInsertionMode(); + p._pushTmplInsertionMode(newInsertionMode); + p.insertionMode = newInsertionMode; + p._processToken(token); + } +} + +function endTagInTemplate(p, token) { + if (token.tagName === $.TEMPLATE) { + endTagInHead(p, token); + } +} + +function eofInTemplate(p, token) { + if (p.openElements.tmplCount > 0) { + p.openElements.popUntilTagNamePopped($.TEMPLATE); + p.activeFormattingElements.clearToLastMarker(); + p._popTmplInsertionMode(); + p._resetInsertionMode(); + p._processToken(token); + } else { + p.stopped = true; + } +} + +// The "after body" insertion mode +//------------------------------------------------------------------ +function startTagAfterBody(p, token) { + if (token.tagName === $.HTML) { + startTagInBody(p, token); + } else { + tokenAfterBody(p, token); + } +} + +function endTagAfterBody(p, token) { + if (token.tagName === $.HTML) { + if (!p.fragmentContext) { + p.insertionMode = AFTER_AFTER_BODY_MODE; + } + } else { + tokenAfterBody(p, token); + } +} + +function tokenAfterBody(p, token) { + p.insertionMode = IN_BODY_MODE; + p._processToken(token); +} + +// The "in frameset" insertion mode +//------------------------------------------------------------------ +function startTagInFrameset(p, token) { + const tn = token.tagName; + + if (tn === $.HTML) { + startTagInBody(p, token); + } else if (tn === $.FRAMESET) { + p._insertElement(token, NS.HTML); + } else if (tn === $.FRAME) { + p._appendElement(token, NS.HTML); + token.ackSelfClosing = true; + } else if (tn === $.NOFRAMES) { + startTagInHead(p, token); + } +} + +function endTagInFrameset(p, token) { + if (token.tagName === $.FRAMESET && !p.openElements.isRootHtmlElementCurrent()) { + p.openElements.pop(); + + if (!p.fragmentContext && p.openElements.currentTagName !== $.FRAMESET) { + p.insertionMode = AFTER_FRAMESET_MODE; + } + } +} + +// The "after frameset" insertion mode +//------------------------------------------------------------------ +function startTagAfterFrameset(p, token) { + const tn = token.tagName; + + if (tn === $.HTML) { + startTagInBody(p, token); + } else if (tn === $.NOFRAMES) { + startTagInHead(p, token); + } +} + +function endTagAfterFrameset(p, token) { + if (token.tagName === $.HTML) { + p.insertionMode = AFTER_AFTER_FRAMESET_MODE; + } +} + +// The "after after body" insertion mode +//------------------------------------------------------------------ +function startTagAfterAfterBody(p, token) { + if (token.tagName === $.HTML) { + startTagInBody(p, token); + } else { + tokenAfterAfterBody(p, token); + } +} + +function tokenAfterAfterBody(p, token) { + p.insertionMode = IN_BODY_MODE; + p._processToken(token); +} + +// The "after after frameset" insertion mode +//------------------------------------------------------------------ +function startTagAfterAfterFrameset(p, token) { + const tn = token.tagName; + + if (tn === $.HTML) { + startTagInBody(p, token); + } else if (tn === $.NOFRAMES) { + startTagInHead(p, token); + } +} + +// The rules for parsing tokens in foreign content +//------------------------------------------------------------------ +function nullCharacterInForeignContent(p, token) { + token.chars = unicode.REPLACEMENT_CHARACTER; + p._insertCharacters(token); +} + +function characterInForeignContent(p, token) { + p._insertCharacters(token); + p.framesetOk = false; +} + +function startTagInForeignContent(p, token) { + if (foreignContent.causesExit(token) && !p.fragmentContext) { + while ( + p.treeAdapter.getNamespaceURI(p.openElements.current) !== NS.HTML && + !p._isIntegrationPoint(p.openElements.current) + ) { + p.openElements.pop(); + } + + p._processToken(token); + } else { + const current = p._getAdjustedCurrentElement(); + const currentNs = p.treeAdapter.getNamespaceURI(current); + + if (currentNs === NS.MATHML) { + foreignContent.adjustTokenMathMLAttrs(token); + } else if (currentNs === NS.SVG) { + foreignContent.adjustTokenSVGTagName(token); + foreignContent.adjustTokenSVGAttrs(token); + } + + foreignContent.adjustTokenXMLAttrs(token); + + if (token.selfClosing) { + p._appendElement(token, currentNs); + } else { + p._insertElement(token, currentNs); + } + + token.ackSelfClosing = true; + } +} + +function endTagInForeignContent(p, token) { + for (let i = p.openElements.stackTop; i > 0; i--) { + const element = p.openElements.items[i]; + + if (p.treeAdapter.getNamespaceURI(element) === NS.HTML) { + p._processToken(token); + break; + } + + if (p.treeAdapter.getTagName(element).toLowerCase() === token.tagName) { + p.openElements.popUntilElementPopped(element); + break; + } + } +} diff --git a/node_modules/parse5/lib/parser/open-element-stack.js b/node_modules/parse5/lib/parser/open-element-stack.js new file mode 100644 index 0000000..c10880a --- /dev/null +++ b/node_modules/parse5/lib/parser/open-element-stack.js @@ -0,0 +1,482 @@ +'use strict'; + +const HTML = require('../common/html'); + +//Aliases +const $ = HTML.TAG_NAMES; +const NS = HTML.NAMESPACES; + +//Element utils + +//OPTIMIZATION: Integer comparisons are low-cost, so we can use very fast tag name length filters here. +//It's faster than using dictionary. +function isImpliedEndTagRequired(tn) { + switch (tn.length) { + case 1: + return tn === $.P; + + case 2: + return tn === $.RB || tn === $.RP || tn === $.RT || tn === $.DD || tn === $.DT || tn === $.LI; + + case 3: + return tn === $.RTC; + + case 6: + return tn === $.OPTION; + + case 8: + return tn === $.OPTGROUP; + } + + return false; +} + +function isImpliedEndTagRequiredThoroughly(tn) { + switch (tn.length) { + case 1: + return tn === $.P; + + case 2: + return ( + tn === $.RB || + tn === $.RP || + tn === $.RT || + tn === $.DD || + tn === $.DT || + tn === $.LI || + tn === $.TD || + tn === $.TH || + tn === $.TR + ); + + case 3: + return tn === $.RTC; + + case 5: + return tn === $.TBODY || tn === $.TFOOT || tn === $.THEAD; + + case 6: + return tn === $.OPTION; + + case 7: + return tn === $.CAPTION; + + case 8: + return tn === $.OPTGROUP || tn === $.COLGROUP; + } + + return false; +} + +function isScopingElement(tn, ns) { + switch (tn.length) { + case 2: + if (tn === $.TD || tn === $.TH) { + return ns === NS.HTML; + } else if (tn === $.MI || tn === $.MO || tn === $.MN || tn === $.MS) { + return ns === NS.MATHML; + } + + break; + + case 4: + if (tn === $.HTML) { + return ns === NS.HTML; + } else if (tn === $.DESC) { + return ns === NS.SVG; + } + + break; + + case 5: + if (tn === $.TABLE) { + return ns === NS.HTML; + } else if (tn === $.MTEXT) { + return ns === NS.MATHML; + } else if (tn === $.TITLE) { + return ns === NS.SVG; + } + + break; + + case 6: + return (tn === $.APPLET || tn === $.OBJECT) && ns === NS.HTML; + + case 7: + return (tn === $.CAPTION || tn === $.MARQUEE) && ns === NS.HTML; + + case 8: + return tn === $.TEMPLATE && ns === NS.HTML; + + case 13: + return tn === $.FOREIGN_OBJECT && ns === NS.SVG; + + case 14: + return tn === $.ANNOTATION_XML && ns === NS.MATHML; + } + + return false; +} + +//Stack of open elements +class OpenElementStack { + constructor(document, treeAdapter) { + this.stackTop = -1; + this.items = []; + this.current = document; + this.currentTagName = null; + this.currentTmplContent = null; + this.tmplCount = 0; + this.treeAdapter = treeAdapter; + } + + //Index of element + _indexOf(element) { + let idx = -1; + + for (let i = this.stackTop; i >= 0; i--) { + if (this.items[i] === element) { + idx = i; + break; + } + } + return idx; + } + + //Update current element + _isInTemplate() { + return this.currentTagName === $.TEMPLATE && this.treeAdapter.getNamespaceURI(this.current) === NS.HTML; + } + + _updateCurrentElement() { + this.current = this.items[this.stackTop]; + this.currentTagName = this.current && this.treeAdapter.getTagName(this.current); + + this.currentTmplContent = this._isInTemplate() ? this.treeAdapter.getTemplateContent(this.current) : null; + } + + //Mutations + push(element) { + this.items[++this.stackTop] = element; + this._updateCurrentElement(); + + if (this._isInTemplate()) { + this.tmplCount++; + } + } + + pop() { + this.stackTop--; + + if (this.tmplCount > 0 && this._isInTemplate()) { + this.tmplCount--; + } + + this._updateCurrentElement(); + } + + replace(oldElement, newElement) { + const idx = this._indexOf(oldElement); + + this.items[idx] = newElement; + + if (idx === this.stackTop) { + this._updateCurrentElement(); + } + } + + insertAfter(referenceElement, newElement) { + const insertionIdx = this._indexOf(referenceElement) + 1; + + this.items.splice(insertionIdx, 0, newElement); + + if (insertionIdx === ++this.stackTop) { + this._updateCurrentElement(); + } + } + + popUntilTagNamePopped(tagName) { + while (this.stackTop > -1) { + const tn = this.currentTagName; + const ns = this.treeAdapter.getNamespaceURI(this.current); + + this.pop(); + + if (tn === tagName && ns === NS.HTML) { + break; + } + } + } + + popUntilElementPopped(element) { + while (this.stackTop > -1) { + const poppedElement = this.current; + + this.pop(); + + if (poppedElement === element) { + break; + } + } + } + + popUntilNumberedHeaderPopped() { + while (this.stackTop > -1) { + const tn = this.currentTagName; + const ns = this.treeAdapter.getNamespaceURI(this.current); + + this.pop(); + + if ( + tn === $.H1 || + tn === $.H2 || + tn === $.H3 || + tn === $.H4 || + tn === $.H5 || + (tn === $.H6 && ns === NS.HTML) + ) { + break; + } + } + } + + popUntilTableCellPopped() { + while (this.stackTop > -1) { + const tn = this.currentTagName; + const ns = this.treeAdapter.getNamespaceURI(this.current); + + this.pop(); + + if (tn === $.TD || (tn === $.TH && ns === NS.HTML)) { + break; + } + } + } + + popAllUpToHtmlElement() { + //NOTE: here we assume that root <html> element is always first in the open element stack, so + //we perform this fast stack clean up. + this.stackTop = 0; + this._updateCurrentElement(); + } + + clearBackToTableContext() { + while ( + (this.currentTagName !== $.TABLE && this.currentTagName !== $.TEMPLATE && this.currentTagName !== $.HTML) || + this.treeAdapter.getNamespaceURI(this.current) !== NS.HTML + ) { + this.pop(); + } + } + + clearBackToTableBodyContext() { + while ( + (this.currentTagName !== $.TBODY && + this.currentTagName !== $.TFOOT && + this.currentTagName !== $.THEAD && + this.currentTagName !== $.TEMPLATE && + this.currentTagName !== $.HTML) || + this.treeAdapter.getNamespaceURI(this.current) !== NS.HTML + ) { + this.pop(); + } + } + + clearBackToTableRowContext() { + while ( + (this.currentTagName !== $.TR && this.currentTagName !== $.TEMPLATE && this.currentTagName !== $.HTML) || + this.treeAdapter.getNamespaceURI(this.current) !== NS.HTML + ) { + this.pop(); + } + } + + remove(element) { + for (let i = this.stackTop; i >= 0; i--) { + if (this.items[i] === element) { + this.items.splice(i, 1); + this.stackTop--; + this._updateCurrentElement(); + break; + } + } + } + + //Search + tryPeekProperlyNestedBodyElement() { + //Properly nested <body> element (should be second element in stack). + const element = this.items[1]; + + return element && this.treeAdapter.getTagName(element) === $.BODY ? element : null; + } + + contains(element) { + return this._indexOf(element) > -1; + } + + getCommonAncestor(element) { + let elementIdx = this._indexOf(element); + + return --elementIdx >= 0 ? this.items[elementIdx] : null; + } + + isRootHtmlElementCurrent() { + return this.stackTop === 0 && this.currentTagName === $.HTML; + } + + //Element in scope + hasInScope(tagName) { + for (let i = this.stackTop; i >= 0; i--) { + const tn = this.treeAdapter.getTagName(this.items[i]); + const ns = this.treeAdapter.getNamespaceURI(this.items[i]); + + if (tn === tagName && ns === NS.HTML) { + return true; + } + + if (isScopingElement(tn, ns)) { + return false; + } + } + + return true; + } + + hasNumberedHeaderInScope() { + for (let i = this.stackTop; i >= 0; i--) { + const tn = this.treeAdapter.getTagName(this.items[i]); + const ns = this.treeAdapter.getNamespaceURI(this.items[i]); + + if ( + (tn === $.H1 || tn === $.H2 || tn === $.H3 || tn === $.H4 || tn === $.H5 || tn === $.H6) && + ns === NS.HTML + ) { + return true; + } + + if (isScopingElement(tn, ns)) { + return false; + } + } + + return true; + } + + hasInListItemScope(tagName) { + for (let i = this.stackTop; i >= 0; i--) { + const tn = this.treeAdapter.getTagName(this.items[i]); + const ns = this.treeAdapter.getNamespaceURI(this.items[i]); + + if (tn === tagName && ns === NS.HTML) { + return true; + } + + if (((tn === $.UL || tn === $.OL) && ns === NS.HTML) || isScopingElement(tn, ns)) { + return false; + } + } + + return true; + } + + hasInButtonScope(tagName) { + for (let i = this.stackTop; i >= 0; i--) { + const tn = this.treeAdapter.getTagName(this.items[i]); + const ns = this.treeAdapter.getNamespaceURI(this.items[i]); + + if (tn === tagName && ns === NS.HTML) { + return true; + } + + if ((tn === $.BUTTON && ns === NS.HTML) || isScopingElement(tn, ns)) { + return false; + } + } + + return true; + } + + hasInTableScope(tagName) { + for (let i = this.stackTop; i >= 0; i--) { + const tn = this.treeAdapter.getTagName(this.items[i]); + const ns = this.treeAdapter.getNamespaceURI(this.items[i]); + + if (ns !== NS.HTML) { + continue; + } + + if (tn === tagName) { + return true; + } + + if (tn === $.TABLE || tn === $.TEMPLATE || tn === $.HTML) { + return false; + } + } + + return true; + } + + hasTableBodyContextInTableScope() { + for (let i = this.stackTop; i >= 0; i--) { + const tn = this.treeAdapter.getTagName(this.items[i]); + const ns = this.treeAdapter.getNamespaceURI(this.items[i]); + + if (ns !== NS.HTML) { + continue; + } + + if (tn === $.TBODY || tn === $.THEAD || tn === $.TFOOT) { + return true; + } + + if (tn === $.TABLE || tn === $.HTML) { + return false; + } + } + + return true; + } + + hasInSelectScope(tagName) { + for (let i = this.stackTop; i >= 0; i--) { + const tn = this.treeAdapter.getTagName(this.items[i]); + const ns = this.treeAdapter.getNamespaceURI(this.items[i]); + + if (ns !== NS.HTML) { + continue; + } + + if (tn === tagName) { + return true; + } + + if (tn !== $.OPTION && tn !== $.OPTGROUP) { + return false; + } + } + + return true; + } + + //Implied end tags + generateImpliedEndTags() { + while (isImpliedEndTagRequired(this.currentTagName)) { + this.pop(); + } + } + + generateImpliedEndTagsThoroughly() { + while (isImpliedEndTagRequiredThoroughly(this.currentTagName)) { + this.pop(); + } + } + + generateImpliedEndTagsWithExclusion(exclusionTagName) { + while (isImpliedEndTagRequired(this.currentTagName) && this.currentTagName !== exclusionTagName) { + this.pop(); + } + } +} + +module.exports = OpenElementStack; diff --git a/node_modules/parse5/lib/serializer/index.js b/node_modules/parse5/lib/serializer/index.js new file mode 100644 index 0000000..659ef60 --- /dev/null +++ b/node_modules/parse5/lib/serializer/index.js @@ -0,0 +1,176 @@ +'use strict'; + +const defaultTreeAdapter = require('../tree-adapters/default'); +const mergeOptions = require('../utils/merge-options'); +const doctype = require('../common/doctype'); +const HTML = require('../common/html'); + +//Aliases +const $ = HTML.TAG_NAMES; +const NS = HTML.NAMESPACES; + +//Default serializer options +const DEFAULT_OPTIONS = { + treeAdapter: defaultTreeAdapter +}; + +//Escaping regexes +const AMP_REGEX = /&/g; +const NBSP_REGEX = /\u00a0/g; +const DOUBLE_QUOTE_REGEX = /"/g; +const LT_REGEX = /</g; +const GT_REGEX = />/g; + +//Serializer +class Serializer { + constructor(node, options) { + this.options = mergeOptions(DEFAULT_OPTIONS, options); + this.treeAdapter = this.options.treeAdapter; + + this.html = ''; + this.startNode = node; + } + + //API + serialize() { + this._serializeChildNodes(this.startNode); + + return this.html; + } + + //Internals + _serializeChildNodes(parentNode) { + const childNodes = this.treeAdapter.getChildNodes(parentNode); + + if (childNodes) { + for (let i = 0, cnLength = childNodes.length; i < cnLength; i++) { + const currentNode = childNodes[i]; + + if (this.treeAdapter.isElementNode(currentNode)) { + this._serializeElement(currentNode); + } else if (this.treeAdapter.isTextNode(currentNode)) { + this._serializeTextNode(currentNode); + } else if (this.treeAdapter.isCommentNode(currentNode)) { + this._serializeCommentNode(currentNode); + } else if (this.treeAdapter.isDocumentTypeNode(currentNode)) { + this._serializeDocumentTypeNode(currentNode); + } + } + } + } + + _serializeElement(node) { + const tn = this.treeAdapter.getTagName(node); + const ns = this.treeAdapter.getNamespaceURI(node); + + this.html += '<' + tn; + this._serializeAttributes(node); + this.html += '>'; + + if ( + tn !== $.AREA && + tn !== $.BASE && + tn !== $.BASEFONT && + tn !== $.BGSOUND && + tn !== $.BR && + tn !== $.COL && + tn !== $.EMBED && + tn !== $.FRAME && + tn !== $.HR && + tn !== $.IMG && + tn !== $.INPUT && + tn !== $.KEYGEN && + tn !== $.LINK && + tn !== $.META && + tn !== $.PARAM && + tn !== $.SOURCE && + tn !== $.TRACK && + tn !== $.WBR + ) { + const childNodesHolder = + tn === $.TEMPLATE && ns === NS.HTML ? this.treeAdapter.getTemplateContent(node) : node; + + this._serializeChildNodes(childNodesHolder); + this.html += '</' + tn + '>'; + } + } + + _serializeAttributes(node) { + const attrs = this.treeAdapter.getAttrList(node); + + for (let i = 0, attrsLength = attrs.length; i < attrsLength; i++) { + const attr = attrs[i]; + const value = Serializer.escapeString(attr.value, true); + + this.html += ' '; + + if (!attr.namespace) { + this.html += attr.name; + } else if (attr.namespace === NS.XML) { + this.html += 'xml:' + attr.name; + } else if (attr.namespace === NS.XMLNS) { + if (attr.name !== 'xmlns') { + this.html += 'xmlns:'; + } + + this.html += attr.name; + } else if (attr.namespace === NS.XLINK) { + this.html += 'xlink:' + attr.name; + } else { + this.html += attr.prefix + ':' + attr.name; + } + + this.html += '="' + value + '"'; + } + } + + _serializeTextNode(node) { + const content = this.treeAdapter.getTextNodeContent(node); + const parent = this.treeAdapter.getParentNode(node); + let parentTn = void 0; + + if (parent && this.treeAdapter.isElementNode(parent)) { + parentTn = this.treeAdapter.getTagName(parent); + } + + if ( + parentTn === $.STYLE || + parentTn === $.SCRIPT || + parentTn === $.XMP || + parentTn === $.IFRAME || + parentTn === $.NOEMBED || + parentTn === $.NOFRAMES || + parentTn === $.PLAINTEXT || + parentTn === $.NOSCRIPT + ) { + this.html += content; + } else { + this.html += Serializer.escapeString(content, false); + } + } + + _serializeCommentNode(node) { + this.html += '<!--' + this.treeAdapter.getCommentNodeContent(node) + '-->'; + } + + _serializeDocumentTypeNode(node) { + const name = this.treeAdapter.getDocumentTypeNodeName(node); + + this.html += '<' + doctype.serializeContent(name, null, null) + '>'; + } +} + +// NOTE: used in tests and by rewriting stream +Serializer.escapeString = function(str, attrMode) { + str = str.replace(AMP_REGEX, '&').replace(NBSP_REGEX, ' '); + + if (attrMode) { + str = str.replace(DOUBLE_QUOTE_REGEX, '"'); + } else { + str = str.replace(LT_REGEX, '<').replace(GT_REGEX, '>'); + } + + return str; +}; + +module.exports = Serializer; diff --git a/node_modules/parse5/lib/tokenizer/index.js b/node_modules/parse5/lib/tokenizer/index.js new file mode 100644 index 0000000..c18d55c --- /dev/null +++ b/node_modules/parse5/lib/tokenizer/index.js @@ -0,0 +1,2196 @@ +'use strict'; + +const Preprocessor = require('./preprocessor'); +const unicode = require('../common/unicode'); +const neTree = require('./named-entity-data'); +const ERR = require('../common/error-codes'); + +//Aliases +const $ = unicode.CODE_POINTS; +const $$ = unicode.CODE_POINT_SEQUENCES; + +//C1 Unicode control character reference replacements +const C1_CONTROLS_REFERENCE_REPLACEMENTS = { + 0x80: 0x20ac, + 0x82: 0x201a, + 0x83: 0x0192, + 0x84: 0x201e, + 0x85: 0x2026, + 0x86: 0x2020, + 0x87: 0x2021, + 0x88: 0x02c6, + 0x89: 0x2030, + 0x8a: 0x0160, + 0x8b: 0x2039, + 0x8c: 0x0152, + 0x8e: 0x017d, + 0x91: 0x2018, + 0x92: 0x2019, + 0x93: 0x201c, + 0x94: 0x201d, + 0x95: 0x2022, + 0x96: 0x2013, + 0x97: 0x2014, + 0x98: 0x02dc, + 0x99: 0x2122, + 0x9a: 0x0161, + 0x9b: 0x203a, + 0x9c: 0x0153, + 0x9e: 0x017e, + 0x9f: 0x0178 +}; + +// Named entity tree flags +const HAS_DATA_FLAG = 1 << 0; +const DATA_DUPLET_FLAG = 1 << 1; +const HAS_BRANCHES_FLAG = 1 << 2; +const MAX_BRANCH_MARKER_VALUE = HAS_DATA_FLAG | DATA_DUPLET_FLAG | HAS_BRANCHES_FLAG; + +//States +const DATA_STATE = 'DATA_STATE'; +const RCDATA_STATE = 'RCDATA_STATE'; +const RAWTEXT_STATE = 'RAWTEXT_STATE'; +const SCRIPT_DATA_STATE = 'SCRIPT_DATA_STATE'; +const PLAINTEXT_STATE = 'PLAINTEXT_STATE'; +const TAG_OPEN_STATE = 'TAG_OPEN_STATE'; +const END_TAG_OPEN_STATE = 'END_TAG_OPEN_STATE'; +const TAG_NAME_STATE = 'TAG_NAME_STATE'; +const RCDATA_LESS_THAN_SIGN_STATE = 'RCDATA_LESS_THAN_SIGN_STATE'; +const RCDATA_END_TAG_OPEN_STATE = 'RCDATA_END_TAG_OPEN_STATE'; +const RCDATA_END_TAG_NAME_STATE = 'RCDATA_END_TAG_NAME_STATE'; +const RAWTEXT_LESS_THAN_SIGN_STATE = 'RAWTEXT_LESS_THAN_SIGN_STATE'; +const RAWTEXT_END_TAG_OPEN_STATE = 'RAWTEXT_END_TAG_OPEN_STATE'; +const RAWTEXT_END_TAG_NAME_STATE = 'RAWTEXT_END_TAG_NAME_STATE'; +const SCRIPT_DATA_LESS_THAN_SIGN_STATE = 'SCRIPT_DATA_LESS_THAN_SIGN_STATE'; +const SCRIPT_DATA_END_TAG_OPEN_STATE = 'SCRIPT_DATA_END_TAG_OPEN_STATE'; +const SCRIPT_DATA_END_TAG_NAME_STATE = 'SCRIPT_DATA_END_TAG_NAME_STATE'; +const SCRIPT_DATA_ESCAPE_START_STATE = 'SCRIPT_DATA_ESCAPE_START_STATE'; +const SCRIPT_DATA_ESCAPE_START_DASH_STATE = 'SCRIPT_DATA_ESCAPE_START_DASH_STATE'; +const SCRIPT_DATA_ESCAPED_STATE = 'SCRIPT_DATA_ESCAPED_STATE'; +const SCRIPT_DATA_ESCAPED_DASH_STATE = 'SCRIPT_DATA_ESCAPED_DASH_STATE'; +const SCRIPT_DATA_ESCAPED_DASH_DASH_STATE = 'SCRIPT_DATA_ESCAPED_DASH_DASH_STATE'; +const SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN_STATE = 'SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN_STATE'; +const SCRIPT_DATA_ESCAPED_END_TAG_OPEN_STATE = 'SCRIPT_DATA_ESCAPED_END_TAG_OPEN_STATE'; +const SCRIPT_DATA_ESCAPED_END_TAG_NAME_STATE = 'SCRIPT_DATA_ESCAPED_END_TAG_NAME_STATE'; +const SCRIPT_DATA_DOUBLE_ESCAPE_START_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPE_START_STATE'; +const SCRIPT_DATA_DOUBLE_ESCAPED_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPED_STATE'; +const SCRIPT_DATA_DOUBLE_ESCAPED_DASH_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPED_DASH_STATE'; +const SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH_STATE'; +const SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE'; +const SCRIPT_DATA_DOUBLE_ESCAPE_END_STATE = 'SCRIPT_DATA_DOUBLE_ESCAPE_END_STATE'; +const BEFORE_ATTRIBUTE_NAME_STATE = 'BEFORE_ATTRIBUTE_NAME_STATE'; +const ATTRIBUTE_NAME_STATE = 'ATTRIBUTE_NAME_STATE'; +const AFTER_ATTRIBUTE_NAME_STATE = 'AFTER_ATTRIBUTE_NAME_STATE'; +const BEFORE_ATTRIBUTE_VALUE_STATE = 'BEFORE_ATTRIBUTE_VALUE_STATE'; +const ATTRIBUTE_VALUE_DOUBLE_QUOTED_STATE = 'ATTRIBUTE_VALUE_DOUBLE_QUOTED_STATE'; +const ATTRIBUTE_VALUE_SINGLE_QUOTED_STATE = 'ATTRIBUTE_VALUE_SINGLE_QUOTED_STATE'; +const ATTRIBUTE_VALUE_UNQUOTED_STATE = 'ATTRIBUTE_VALUE_UNQUOTED_STATE'; +const AFTER_ATTRIBUTE_VALUE_QUOTED_STATE = 'AFTER_ATTRIBUTE_VALUE_QUOTED_STATE'; +const SELF_CLOSING_START_TAG_STATE = 'SELF_CLOSING_START_TAG_STATE'; +const BOGUS_COMMENT_STATE = 'BOGUS_COMMENT_STATE'; +const MARKUP_DECLARATION_OPEN_STATE = 'MARKUP_DECLARATION_OPEN_STATE'; +const COMMENT_START_STATE = 'COMMENT_START_STATE'; +const COMMENT_START_DASH_STATE = 'COMMENT_START_DASH_STATE'; +const COMMENT_STATE = 'COMMENT_STATE'; +const COMMENT_LESS_THAN_SIGN_STATE = 'COMMENT_LESS_THAN_SIGN_STATE'; +const COMMENT_LESS_THAN_SIGN_BANG_STATE = 'COMMENT_LESS_THAN_SIGN_BANG_STATE'; +const COMMENT_LESS_THAN_SIGN_BANG_DASH_STATE = 'COMMENT_LESS_THAN_SIGN_BANG_DASH_STATE'; +const COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH_STATE = 'COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH_STATE'; +const COMMENT_END_DASH_STATE = 'COMMENT_END_DASH_STATE'; +const COMMENT_END_STATE = 'COMMENT_END_STATE'; +const COMMENT_END_BANG_STATE = 'COMMENT_END_BANG_STATE'; +const DOCTYPE_STATE = 'DOCTYPE_STATE'; +const BEFORE_DOCTYPE_NAME_STATE = 'BEFORE_DOCTYPE_NAME_STATE'; +const DOCTYPE_NAME_STATE = 'DOCTYPE_NAME_STATE'; +const AFTER_DOCTYPE_NAME_STATE = 'AFTER_DOCTYPE_NAME_STATE'; +const AFTER_DOCTYPE_PUBLIC_KEYWORD_STATE = 'AFTER_DOCTYPE_PUBLIC_KEYWORD_STATE'; +const BEFORE_DOCTYPE_PUBLIC_IDENTIFIER_STATE = 'BEFORE_DOCTYPE_PUBLIC_IDENTIFIER_STATE'; +const DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED_STATE = 'DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED_STATE'; +const DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED_STATE = 'DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED_STATE'; +const AFTER_DOCTYPE_PUBLIC_IDENTIFIER_STATE = 'AFTER_DOCTYPE_PUBLIC_IDENTIFIER_STATE'; +const BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS_STATE = 'BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS_STATE'; +const AFTER_DOCTYPE_SYSTEM_KEYWORD_STATE = 'AFTER_DOCTYPE_SYSTEM_KEYWORD_STATE'; +const BEFORE_DOCTYPE_SYSTEM_IDENTIFIER_STATE = 'BEFORE_DOCTYPE_SYSTEM_IDENTIFIER_STATE'; +const DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE = 'DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE'; +const DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE = 'DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE'; +const AFTER_DOCTYPE_SYSTEM_IDENTIFIER_STATE = 'AFTER_DOCTYPE_SYSTEM_IDENTIFIER_STATE'; +const BOGUS_DOCTYPE_STATE = 'BOGUS_DOCTYPE_STATE'; +const CDATA_SECTION_STATE = 'CDATA_SECTION_STATE'; +const CDATA_SECTION_BRACKET_STATE = 'CDATA_SECTION_BRACKET_STATE'; +const CDATA_SECTION_END_STATE = 'CDATA_SECTION_END_STATE'; +const CHARACTER_REFERENCE_STATE = 'CHARACTER_REFERENCE_STATE'; +const NAMED_CHARACTER_REFERENCE_STATE = 'NAMED_CHARACTER_REFERENCE_STATE'; +const AMBIGUOUS_AMPERSAND_STATE = 'AMBIGUOS_AMPERSAND_STATE'; +const NUMERIC_CHARACTER_REFERENCE_STATE = 'NUMERIC_CHARACTER_REFERENCE_STATE'; +const HEXADEMICAL_CHARACTER_REFERENCE_START_STATE = 'HEXADEMICAL_CHARACTER_REFERENCE_START_STATE'; +const DECIMAL_CHARACTER_REFERENCE_START_STATE = 'DECIMAL_CHARACTER_REFERENCE_START_STATE'; +const HEXADEMICAL_CHARACTER_REFERENCE_STATE = 'HEXADEMICAL_CHARACTER_REFERENCE_STATE'; +const DECIMAL_CHARACTER_REFERENCE_STATE = 'DECIMAL_CHARACTER_REFERENCE_STATE'; +const NUMERIC_CHARACTER_REFERENCE_END_STATE = 'NUMERIC_CHARACTER_REFERENCE_END_STATE'; + +//Utils + +//OPTIMIZATION: these utility functions should not be moved out of this module. V8 Crankshaft will not inline +//this functions if they will be situated in another module due to context switch. +//Always perform inlining check before modifying this functions ('node --trace-inlining'). +function isWhitespace(cp) { + return cp === $.SPACE || cp === $.LINE_FEED || cp === $.TABULATION || cp === $.FORM_FEED; +} + +function isAsciiDigit(cp) { + return cp >= $.DIGIT_0 && cp <= $.DIGIT_9; +} + +function isAsciiUpper(cp) { + return cp >= $.LATIN_CAPITAL_A && cp <= $.LATIN_CAPITAL_Z; +} + +function isAsciiLower(cp) { + return cp >= $.LATIN_SMALL_A && cp <= $.LATIN_SMALL_Z; +} + +function isAsciiLetter(cp) { + return isAsciiLower(cp) || isAsciiUpper(cp); +} + +function isAsciiAlphaNumeric(cp) { + return isAsciiLetter(cp) || isAsciiDigit(cp); +} + +function isAsciiUpperHexDigit(cp) { + return cp >= $.LATIN_CAPITAL_A && cp <= $.LATIN_CAPITAL_F; +} + +function isAsciiLowerHexDigit(cp) { + return cp >= $.LATIN_SMALL_A && cp <= $.LATIN_SMALL_F; +} + +function isAsciiHexDigit(cp) { + return isAsciiDigit(cp) || isAsciiUpperHexDigit(cp) || isAsciiLowerHexDigit(cp); +} + +function toAsciiLowerCodePoint(cp) { + return cp + 0x0020; +} + +//NOTE: String.fromCharCode() function can handle only characters from BMP subset. +//So, we need to workaround this manually. +//(see: https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/String/fromCharCode#Getting_it_to_work_with_higher_values) +function toChar(cp) { + if (cp <= 0xffff) { + return String.fromCharCode(cp); + } + + cp -= 0x10000; + return String.fromCharCode(((cp >>> 10) & 0x3ff) | 0xd800) + String.fromCharCode(0xdc00 | (cp & 0x3ff)); +} + +function toAsciiLowerChar(cp) { + return String.fromCharCode(toAsciiLowerCodePoint(cp)); +} + +function findNamedEntityTreeBranch(nodeIx, cp) { + const branchCount = neTree[++nodeIx]; + let lo = ++nodeIx; + let hi = lo + branchCount - 1; + + while (lo <= hi) { + const mid = (lo + hi) >>> 1; + const midCp = neTree[mid]; + + if (midCp < cp) { + lo = mid + 1; + } else if (midCp > cp) { + hi = mid - 1; + } else { + return neTree[mid + branchCount]; + } + } + + return -1; +} + +//Tokenizer +class Tokenizer { + constructor() { + this.preprocessor = new Preprocessor(); + + this.tokenQueue = []; + + this.allowCDATA = false; + + this.state = DATA_STATE; + this.returnState = ''; + + this.charRefCode = -1; + this.tempBuff = []; + this.lastStartTagName = ''; + + this.consumedAfterSnapshot = -1; + this.active = false; + + this.currentCharacterToken = null; + this.currentToken = null; + this.currentAttr = null; + } + + //Errors + _err() { + // NOTE: err reporting is noop by default. Enabled by mixin. + } + + _errOnNextCodePoint(err) { + this._consume(); + this._err(err); + this._unconsume(); + } + + //API + getNextToken() { + while (!this.tokenQueue.length && this.active) { + this.consumedAfterSnapshot = 0; + + const cp = this._consume(); + + if (!this._ensureHibernation()) { + this[this.state](cp); + } + } + + return this.tokenQueue.shift(); + } + + write(chunk, isLastChunk) { + this.active = true; + this.preprocessor.write(chunk, isLastChunk); + } + + insertHtmlAtCurrentPos(chunk) { + this.active = true; + this.preprocessor.insertHtmlAtCurrentPos(chunk); + } + + //Hibernation + _ensureHibernation() { + if (this.preprocessor.endOfChunkHit) { + for (; this.consumedAfterSnapshot > 0; this.consumedAfterSnapshot--) { + this.preprocessor.retreat(); + } + + this.active = false; + this.tokenQueue.push({ type: Tokenizer.HIBERNATION_TOKEN }); + + return true; + } + + return false; + } + + //Consumption + _consume() { + this.consumedAfterSnapshot++; + return this.preprocessor.advance(); + } + + _unconsume() { + this.consumedAfterSnapshot--; + this.preprocessor.retreat(); + } + + _reconsumeInState(state) { + this.state = state; + this._unconsume(); + } + + _consumeSequenceIfMatch(pattern, startCp, caseSensitive) { + let consumedCount = 0; + let isMatch = true; + const patternLength = pattern.length; + let patternPos = 0; + let cp = startCp; + let patternCp = void 0; + + for (; patternPos < patternLength; patternPos++) { + if (patternPos > 0) { + cp = this._consume(); + consumedCount++; + } + + if (cp === $.EOF) { + isMatch = false; + break; + } + + patternCp = pattern[patternPos]; + + if (cp !== patternCp && (caseSensitive || cp !== toAsciiLowerCodePoint(patternCp))) { + isMatch = false; + break; + } + } + + if (!isMatch) { + while (consumedCount--) { + this._unconsume(); + } + } + + return isMatch; + } + + //Temp buffer + _isTempBufferEqualToScriptString() { + if (this.tempBuff.length !== $$.SCRIPT_STRING.length) { + return false; + } + + for (let i = 0; i < this.tempBuff.length; i++) { + if (this.tempBuff[i] !== $$.SCRIPT_STRING[i]) { + return false; + } + } + + return true; + } + + //Token creation + _createStartTagToken() { + this.currentToken = { + type: Tokenizer.START_TAG_TOKEN, + tagName: '', + selfClosing: false, + ackSelfClosing: false, + attrs: [] + }; + } + + _createEndTagToken() { + this.currentToken = { + type: Tokenizer.END_TAG_TOKEN, + tagName: '', + selfClosing: false, + attrs: [] + }; + } + + _createCommentToken() { + this.currentToken = { + type: Tokenizer.COMMENT_TOKEN, + data: '' + }; + } + + _createDoctypeToken(initialName) { + this.currentToken = { + type: Tokenizer.DOCTYPE_TOKEN, + name: initialName, + forceQuirks: false, + publicId: null, + systemId: null + }; + } + + _createCharacterToken(type, ch) { + this.currentCharacterToken = { + type: type, + chars: ch + }; + } + + _createEOFToken() { + this.currentToken = { type: Tokenizer.EOF_TOKEN }; + } + + //Tag attributes + _createAttr(attrNameFirstCh) { + this.currentAttr = { + name: attrNameFirstCh, + value: '' + }; + } + + _leaveAttrName(toState) { + if (Tokenizer.getTokenAttr(this.currentToken, this.currentAttr.name) === null) { + this.currentToken.attrs.push(this.currentAttr); + } else { + this._err(ERR.duplicateAttribute); + } + + this.state = toState; + } + + _leaveAttrValue(toState) { + this.state = toState; + } + + //Token emission + _emitCurrentToken() { + this._emitCurrentCharacterToken(); + + const ct = this.currentToken; + + this.currentToken = null; + + //NOTE: store emited start tag's tagName to determine is the following end tag token is appropriate. + if (ct.type === Tokenizer.START_TAG_TOKEN) { + this.lastStartTagName = ct.tagName; + } else if (ct.type === Tokenizer.END_TAG_TOKEN) { + if (ct.attrs.length > 0) { + this._err(ERR.endTagWithAttributes); + } + + if (ct.selfClosing) { + this._err(ERR.endTagWithTrailingSolidus); + } + } + + this.tokenQueue.push(ct); + } + + _emitCurrentCharacterToken() { + if (this.currentCharacterToken) { + this.tokenQueue.push(this.currentCharacterToken); + this.currentCharacterToken = null; + } + } + + _emitEOFToken() { + this._createEOFToken(); + this._emitCurrentToken(); + } + + //Characters emission + + //OPTIMIZATION: specification uses only one type of character tokens (one token per character). + //This causes a huge memory overhead and a lot of unnecessary parser loops. parse5 uses 3 groups of characters. + //If we have a sequence of characters that belong to the same group, parser can process it + //as a single solid character token. + //So, there are 3 types of character tokens in parse5: + //1)NULL_CHARACTER_TOKEN - \u0000-character sequences (e.g. '\u0000\u0000\u0000') + //2)WHITESPACE_CHARACTER_TOKEN - any whitespace/new-line character sequences (e.g. '\n \r\t \f') + //3)CHARACTER_TOKEN - any character sequence which don't belong to groups 1 and 2 (e.g. 'abcdef1234@@#$%^') + _appendCharToCurrentCharacterToken(type, ch) { + if (this.currentCharacterToken && this.currentCharacterToken.type !== type) { + this._emitCurrentCharacterToken(); + } + + if (this.currentCharacterToken) { + this.currentCharacterToken.chars += ch; + } else { + this._createCharacterToken(type, ch); + } + } + + _emitCodePoint(cp) { + let type = Tokenizer.CHARACTER_TOKEN; + + if (isWhitespace(cp)) { + type = Tokenizer.WHITESPACE_CHARACTER_TOKEN; + } else if (cp === $.NULL) { + type = Tokenizer.NULL_CHARACTER_TOKEN; + } + + this._appendCharToCurrentCharacterToken(type, toChar(cp)); + } + + _emitSeveralCodePoints(codePoints) { + for (let i = 0; i < codePoints.length; i++) { + this._emitCodePoint(codePoints[i]); + } + } + + //NOTE: used then we emit character explicitly. This is always a non-whitespace and a non-null character. + //So we can avoid additional checks here. + _emitChars(ch) { + this._appendCharToCurrentCharacterToken(Tokenizer.CHARACTER_TOKEN, ch); + } + + // Character reference helpers + _matchNamedCharacterReference(startCp) { + let result = null; + let excess = 1; + let i = findNamedEntityTreeBranch(0, startCp); + + this.tempBuff.push(startCp); + + while (i > -1) { + const current = neTree[i]; + const inNode = current < MAX_BRANCH_MARKER_VALUE; + const nodeWithData = inNode && current & HAS_DATA_FLAG; + + if (nodeWithData) { + //NOTE: we use greedy search, so we continue lookup at this point + result = current & DATA_DUPLET_FLAG ? [neTree[++i], neTree[++i]] : [neTree[++i]]; + excess = 0; + } + + const cp = this._consume(); + + this.tempBuff.push(cp); + excess++; + + if (cp === $.EOF) { + break; + } + + if (inNode) { + i = current & HAS_BRANCHES_FLAG ? findNamedEntityTreeBranch(i, cp) : -1; + } else { + i = cp === current ? ++i : -1; + } + } + + while (excess--) { + this.tempBuff.pop(); + this._unconsume(); + } + + return result; + } + + _isCharacterReferenceInAttribute() { + return ( + this.returnState === ATTRIBUTE_VALUE_DOUBLE_QUOTED_STATE || + this.returnState === ATTRIBUTE_VALUE_SINGLE_QUOTED_STATE || + this.returnState === ATTRIBUTE_VALUE_UNQUOTED_STATE + ); + } + + _isCharacterReferenceAttributeQuirk(withSemicolon) { + if (!withSemicolon && this._isCharacterReferenceInAttribute()) { + const nextCp = this._consume(); + + this._unconsume(); + + return nextCp === $.EQUALS_SIGN || isAsciiAlphaNumeric(nextCp); + } + + return false; + } + + _flushCodePointsConsumedAsCharacterReference() { + if (this._isCharacterReferenceInAttribute()) { + for (let i = 0; i < this.tempBuff.length; i++) { + this.currentAttr.value += toChar(this.tempBuff[i]); + } + } else { + this._emitSeveralCodePoints(this.tempBuff); + } + + this.tempBuff = []; + } + + // State machine + + // Data state + //------------------------------------------------------------------ + [DATA_STATE](cp) { + this.preprocessor.dropParsedChunk(); + + if (cp === $.LESS_THAN_SIGN) { + this.state = TAG_OPEN_STATE; + } else if (cp === $.AMPERSAND) { + this.returnState = DATA_STATE; + this.state = CHARACTER_REFERENCE_STATE; + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this._emitCodePoint(cp); + } else if (cp === $.EOF) { + this._emitEOFToken(); + } else { + this._emitCodePoint(cp); + } + } + + // RCDATA state + //------------------------------------------------------------------ + [RCDATA_STATE](cp) { + this.preprocessor.dropParsedChunk(); + + if (cp === $.AMPERSAND) { + this.returnState = RCDATA_STATE; + this.state = CHARACTER_REFERENCE_STATE; + } else if (cp === $.LESS_THAN_SIGN) { + this.state = RCDATA_LESS_THAN_SIGN_STATE; + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this._emitChars(unicode.REPLACEMENT_CHARACTER); + } else if (cp === $.EOF) { + this._emitEOFToken(); + } else { + this._emitCodePoint(cp); + } + } + + // RAWTEXT state + //------------------------------------------------------------------ + [RAWTEXT_STATE](cp) { + this.preprocessor.dropParsedChunk(); + + if (cp === $.LESS_THAN_SIGN) { + this.state = RAWTEXT_LESS_THAN_SIGN_STATE; + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this._emitChars(unicode.REPLACEMENT_CHARACTER); + } else if (cp === $.EOF) { + this._emitEOFToken(); + } else { + this._emitCodePoint(cp); + } + } + + // Script data state + //------------------------------------------------------------------ + [SCRIPT_DATA_STATE](cp) { + this.preprocessor.dropParsedChunk(); + + if (cp === $.LESS_THAN_SIGN) { + this.state = SCRIPT_DATA_LESS_THAN_SIGN_STATE; + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this._emitChars(unicode.REPLACEMENT_CHARACTER); + } else if (cp === $.EOF) { + this._emitEOFToken(); + } else { + this._emitCodePoint(cp); + } + } + + // PLAINTEXT state + //------------------------------------------------------------------ + [PLAINTEXT_STATE](cp) { + this.preprocessor.dropParsedChunk(); + + if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this._emitChars(unicode.REPLACEMENT_CHARACTER); + } else if (cp === $.EOF) { + this._emitEOFToken(); + } else { + this._emitCodePoint(cp); + } + } + + // Tag open state + //------------------------------------------------------------------ + [TAG_OPEN_STATE](cp) { + if (cp === $.EXCLAMATION_MARK) { + this.state = MARKUP_DECLARATION_OPEN_STATE; + } else if (cp === $.SOLIDUS) { + this.state = END_TAG_OPEN_STATE; + } else if (isAsciiLetter(cp)) { + this._createStartTagToken(); + this._reconsumeInState(TAG_NAME_STATE); + } else if (cp === $.QUESTION_MARK) { + this._err(ERR.unexpectedQuestionMarkInsteadOfTagName); + this._createCommentToken(); + this._reconsumeInState(BOGUS_COMMENT_STATE); + } else if (cp === $.EOF) { + this._err(ERR.eofBeforeTagName); + this._emitChars('<'); + this._emitEOFToken(); + } else { + this._err(ERR.invalidFirstCharacterOfTagName); + this._emitChars('<'); + this._reconsumeInState(DATA_STATE); + } + } + + // End tag open state + //------------------------------------------------------------------ + [END_TAG_OPEN_STATE](cp) { + if (isAsciiLetter(cp)) { + this._createEndTagToken(); + this._reconsumeInState(TAG_NAME_STATE); + } else if (cp === $.GREATER_THAN_SIGN) { + this._err(ERR.missingEndTagName); + this.state = DATA_STATE; + } else if (cp === $.EOF) { + this._err(ERR.eofBeforeTagName); + this._emitChars('</'); + this._emitEOFToken(); + } else { + this._err(ERR.invalidFirstCharacterOfTagName); + this._createCommentToken(); + this._reconsumeInState(BOGUS_COMMENT_STATE); + } + } + + // Tag name state + //------------------------------------------------------------------ + [TAG_NAME_STATE](cp) { + if (isWhitespace(cp)) { + this.state = BEFORE_ATTRIBUTE_NAME_STATE; + } else if (cp === $.SOLIDUS) { + this.state = SELF_CLOSING_START_TAG_STATE; + } else if (cp === $.GREATER_THAN_SIGN) { + this.state = DATA_STATE; + this._emitCurrentToken(); + } else if (isAsciiUpper(cp)) { + this.currentToken.tagName += toAsciiLowerChar(cp); + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this.currentToken.tagName += unicode.REPLACEMENT_CHARACTER; + } else if (cp === $.EOF) { + this._err(ERR.eofInTag); + this._emitEOFToken(); + } else { + this.currentToken.tagName += toChar(cp); + } + } + + // RCDATA less-than sign state + //------------------------------------------------------------------ + [RCDATA_LESS_THAN_SIGN_STATE](cp) { + if (cp === $.SOLIDUS) { + this.tempBuff = []; + this.state = RCDATA_END_TAG_OPEN_STATE; + } else { + this._emitChars('<'); + this._reconsumeInState(RCDATA_STATE); + } + } + + // RCDATA end tag open state + //------------------------------------------------------------------ + [RCDATA_END_TAG_OPEN_STATE](cp) { + if (isAsciiLetter(cp)) { + this._createEndTagToken(); + this._reconsumeInState(RCDATA_END_TAG_NAME_STATE); + } else { + this._emitChars('</'); + this._reconsumeInState(RCDATA_STATE); + } + } + + // RCDATA end tag name state + //------------------------------------------------------------------ + [RCDATA_END_TAG_NAME_STATE](cp) { + if (isAsciiUpper(cp)) { + this.currentToken.tagName += toAsciiLowerChar(cp); + this.tempBuff.push(cp); + } else if (isAsciiLower(cp)) { + this.currentToken.tagName += toChar(cp); + this.tempBuff.push(cp); + } else { + if (this.lastStartTagName === this.currentToken.tagName) { + if (isWhitespace(cp)) { + this.state = BEFORE_ATTRIBUTE_NAME_STATE; + return; + } + + if (cp === $.SOLIDUS) { + this.state = SELF_CLOSING_START_TAG_STATE; + return; + } + + if (cp === $.GREATER_THAN_SIGN) { + this.state = DATA_STATE; + this._emitCurrentToken(); + return; + } + } + + this._emitChars('</'); + this._emitSeveralCodePoints(this.tempBuff); + this._reconsumeInState(RCDATA_STATE); + } + } + + // RAWTEXT less-than sign state + //------------------------------------------------------------------ + [RAWTEXT_LESS_THAN_SIGN_STATE](cp) { + if (cp === $.SOLIDUS) { + this.tempBuff = []; + this.state = RAWTEXT_END_TAG_OPEN_STATE; + } else { + this._emitChars('<'); + this._reconsumeInState(RAWTEXT_STATE); + } + } + + // RAWTEXT end tag open state + //------------------------------------------------------------------ + [RAWTEXT_END_TAG_OPEN_STATE](cp) { + if (isAsciiLetter(cp)) { + this._createEndTagToken(); + this._reconsumeInState(RAWTEXT_END_TAG_NAME_STATE); + } else { + this._emitChars('</'); + this._reconsumeInState(RAWTEXT_STATE); + } + } + + // RAWTEXT end tag name state + //------------------------------------------------------------------ + [RAWTEXT_END_TAG_NAME_STATE](cp) { + if (isAsciiUpper(cp)) { + this.currentToken.tagName += toAsciiLowerChar(cp); + this.tempBuff.push(cp); + } else if (isAsciiLower(cp)) { + this.currentToken.tagName += toChar(cp); + this.tempBuff.push(cp); + } else { + if (this.lastStartTagName === this.currentToken.tagName) { + if (isWhitespace(cp)) { + this.state = BEFORE_ATTRIBUTE_NAME_STATE; + return; + } + + if (cp === $.SOLIDUS) { + this.state = SELF_CLOSING_START_TAG_STATE; + return; + } + + if (cp === $.GREATER_THAN_SIGN) { + this._emitCurrentToken(); + this.state = DATA_STATE; + return; + } + } + + this._emitChars('</'); + this._emitSeveralCodePoints(this.tempBuff); + this._reconsumeInState(RAWTEXT_STATE); + } + } + + // Script data less-than sign state + //------------------------------------------------------------------ + [SCRIPT_DATA_LESS_THAN_SIGN_STATE](cp) { + if (cp === $.SOLIDUS) { + this.tempBuff = []; + this.state = SCRIPT_DATA_END_TAG_OPEN_STATE; + } else if (cp === $.EXCLAMATION_MARK) { + this.state = SCRIPT_DATA_ESCAPE_START_STATE; + this._emitChars('<!'); + } else { + this._emitChars('<'); + this._reconsumeInState(SCRIPT_DATA_STATE); + } + } + + // Script data end tag open state + //------------------------------------------------------------------ + [SCRIPT_DATA_END_TAG_OPEN_STATE](cp) { + if (isAsciiLetter(cp)) { + this._createEndTagToken(); + this._reconsumeInState(SCRIPT_DATA_END_TAG_NAME_STATE); + } else { + this._emitChars('</'); + this._reconsumeInState(SCRIPT_DATA_STATE); + } + } + + // Script data end tag name state + //------------------------------------------------------------------ + [SCRIPT_DATA_END_TAG_NAME_STATE](cp) { + if (isAsciiUpper(cp)) { + this.currentToken.tagName += toAsciiLowerChar(cp); + this.tempBuff.push(cp); + } else if (isAsciiLower(cp)) { + this.currentToken.tagName += toChar(cp); + this.tempBuff.push(cp); + } else { + if (this.lastStartTagName === this.currentToken.tagName) { + if (isWhitespace(cp)) { + this.state = BEFORE_ATTRIBUTE_NAME_STATE; + return; + } else if (cp === $.SOLIDUS) { + this.state = SELF_CLOSING_START_TAG_STATE; + return; + } else if (cp === $.GREATER_THAN_SIGN) { + this._emitCurrentToken(); + this.state = DATA_STATE; + return; + } + } + + this._emitChars('</'); + this._emitSeveralCodePoints(this.tempBuff); + this._reconsumeInState(SCRIPT_DATA_STATE); + } + } + + // Script data escape start state + //------------------------------------------------------------------ + [SCRIPT_DATA_ESCAPE_START_STATE](cp) { + if (cp === $.HYPHEN_MINUS) { + this.state = SCRIPT_DATA_ESCAPE_START_DASH_STATE; + this._emitChars('-'); + } else { + this._reconsumeInState(SCRIPT_DATA_STATE); + } + } + + // Script data escape start dash state + //------------------------------------------------------------------ + [SCRIPT_DATA_ESCAPE_START_DASH_STATE](cp) { + if (cp === $.HYPHEN_MINUS) { + this.state = SCRIPT_DATA_ESCAPED_DASH_DASH_STATE; + this._emitChars('-'); + } else { + this._reconsumeInState(SCRIPT_DATA_STATE); + } + } + + // Script data escaped state + //------------------------------------------------------------------ + [SCRIPT_DATA_ESCAPED_STATE](cp) { + if (cp === $.HYPHEN_MINUS) { + this.state = SCRIPT_DATA_ESCAPED_DASH_STATE; + this._emitChars('-'); + } else if (cp === $.LESS_THAN_SIGN) { + this.state = SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN_STATE; + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this._emitChars(unicode.REPLACEMENT_CHARACTER); + } else if (cp === $.EOF) { + this._err(ERR.eofInScriptHtmlCommentLikeText); + this._emitEOFToken(); + } else { + this._emitCodePoint(cp); + } + } + + // Script data escaped dash state + //------------------------------------------------------------------ + [SCRIPT_DATA_ESCAPED_DASH_STATE](cp) { + if (cp === $.HYPHEN_MINUS) { + this.state = SCRIPT_DATA_ESCAPED_DASH_DASH_STATE; + this._emitChars('-'); + } else if (cp === $.LESS_THAN_SIGN) { + this.state = SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN_STATE; + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this.state = SCRIPT_DATA_ESCAPED_STATE; + this._emitChars(unicode.REPLACEMENT_CHARACTER); + } else if (cp === $.EOF) { + this._err(ERR.eofInScriptHtmlCommentLikeText); + this._emitEOFToken(); + } else { + this.state = SCRIPT_DATA_ESCAPED_STATE; + this._emitCodePoint(cp); + } + } + + // Script data escaped dash dash state + //------------------------------------------------------------------ + [SCRIPT_DATA_ESCAPED_DASH_DASH_STATE](cp) { + if (cp === $.HYPHEN_MINUS) { + this._emitChars('-'); + } else if (cp === $.LESS_THAN_SIGN) { + this.state = SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN_STATE; + } else if (cp === $.GREATER_THAN_SIGN) { + this.state = SCRIPT_DATA_STATE; + this._emitChars('>'); + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this.state = SCRIPT_DATA_ESCAPED_STATE; + this._emitChars(unicode.REPLACEMENT_CHARACTER); + } else if (cp === $.EOF) { + this._err(ERR.eofInScriptHtmlCommentLikeText); + this._emitEOFToken(); + } else { + this.state = SCRIPT_DATA_ESCAPED_STATE; + this._emitCodePoint(cp); + } + } + + // Script data escaped less-than sign state + //------------------------------------------------------------------ + [SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN_STATE](cp) { + if (cp === $.SOLIDUS) { + this.tempBuff = []; + this.state = SCRIPT_DATA_ESCAPED_END_TAG_OPEN_STATE; + } else if (isAsciiLetter(cp)) { + this.tempBuff = []; + this._emitChars('<'); + this._reconsumeInState(SCRIPT_DATA_DOUBLE_ESCAPE_START_STATE); + } else { + this._emitChars('<'); + this._reconsumeInState(SCRIPT_DATA_ESCAPED_STATE); + } + } + + // Script data escaped end tag open state + //------------------------------------------------------------------ + [SCRIPT_DATA_ESCAPED_END_TAG_OPEN_STATE](cp) { + if (isAsciiLetter(cp)) { + this._createEndTagToken(); + this._reconsumeInState(SCRIPT_DATA_ESCAPED_END_TAG_NAME_STATE); + } else { + this._emitChars('</'); + this._reconsumeInState(SCRIPT_DATA_ESCAPED_STATE); + } + } + + // Script data escaped end tag name state + //------------------------------------------------------------------ + [SCRIPT_DATA_ESCAPED_END_TAG_NAME_STATE](cp) { + if (isAsciiUpper(cp)) { + this.currentToken.tagName += toAsciiLowerChar(cp); + this.tempBuff.push(cp); + } else if (isAsciiLower(cp)) { + this.currentToken.tagName += toChar(cp); + this.tempBuff.push(cp); + } else { + if (this.lastStartTagName === this.currentToken.tagName) { + if (isWhitespace(cp)) { + this.state = BEFORE_ATTRIBUTE_NAME_STATE; + return; + } + + if (cp === $.SOLIDUS) { + this.state = SELF_CLOSING_START_TAG_STATE; + return; + } + + if (cp === $.GREATER_THAN_SIGN) { + this._emitCurrentToken(); + this.state = DATA_STATE; + return; + } + } + + this._emitChars('</'); + this._emitSeveralCodePoints(this.tempBuff); + this._reconsumeInState(SCRIPT_DATA_ESCAPED_STATE); + } + } + + // Script data double escape start state + //------------------------------------------------------------------ + [SCRIPT_DATA_DOUBLE_ESCAPE_START_STATE](cp) { + if (isWhitespace(cp) || cp === $.SOLIDUS || cp === $.GREATER_THAN_SIGN) { + this.state = this._isTempBufferEqualToScriptString() + ? SCRIPT_DATA_DOUBLE_ESCAPED_STATE + : SCRIPT_DATA_ESCAPED_STATE; + this._emitCodePoint(cp); + } else if (isAsciiUpper(cp)) { + this.tempBuff.push(toAsciiLowerCodePoint(cp)); + this._emitCodePoint(cp); + } else if (isAsciiLower(cp)) { + this.tempBuff.push(cp); + this._emitCodePoint(cp); + } else { + this._reconsumeInState(SCRIPT_DATA_ESCAPED_STATE); + } + } + + // Script data double escaped state + //------------------------------------------------------------------ + [SCRIPT_DATA_DOUBLE_ESCAPED_STATE](cp) { + if (cp === $.HYPHEN_MINUS) { + this.state = SCRIPT_DATA_DOUBLE_ESCAPED_DASH_STATE; + this._emitChars('-'); + } else if (cp === $.LESS_THAN_SIGN) { + this.state = SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE; + this._emitChars('<'); + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this._emitChars(unicode.REPLACEMENT_CHARACTER); + } else if (cp === $.EOF) { + this._err(ERR.eofInScriptHtmlCommentLikeText); + this._emitEOFToken(); + } else { + this._emitCodePoint(cp); + } + } + + // Script data double escaped dash state + //------------------------------------------------------------------ + [SCRIPT_DATA_DOUBLE_ESCAPED_DASH_STATE](cp) { + if (cp === $.HYPHEN_MINUS) { + this.state = SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH_STATE; + this._emitChars('-'); + } else if (cp === $.LESS_THAN_SIGN) { + this.state = SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE; + this._emitChars('<'); + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this.state = SCRIPT_DATA_DOUBLE_ESCAPED_STATE; + this._emitChars(unicode.REPLACEMENT_CHARACTER); + } else if (cp === $.EOF) { + this._err(ERR.eofInScriptHtmlCommentLikeText); + this._emitEOFToken(); + } else { + this.state = SCRIPT_DATA_DOUBLE_ESCAPED_STATE; + this._emitCodePoint(cp); + } + } + + // Script data double escaped dash dash state + //------------------------------------------------------------------ + [SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH_STATE](cp) { + if (cp === $.HYPHEN_MINUS) { + this._emitChars('-'); + } else if (cp === $.LESS_THAN_SIGN) { + this.state = SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE; + this._emitChars('<'); + } else if (cp === $.GREATER_THAN_SIGN) { + this.state = SCRIPT_DATA_STATE; + this._emitChars('>'); + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this.state = SCRIPT_DATA_DOUBLE_ESCAPED_STATE; + this._emitChars(unicode.REPLACEMENT_CHARACTER); + } else if (cp === $.EOF) { + this._err(ERR.eofInScriptHtmlCommentLikeText); + this._emitEOFToken(); + } else { + this.state = SCRIPT_DATA_DOUBLE_ESCAPED_STATE; + this._emitCodePoint(cp); + } + } + + // Script data double escaped less-than sign state + //------------------------------------------------------------------ + [SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN_STATE](cp) { + if (cp === $.SOLIDUS) { + this.tempBuff = []; + this.state = SCRIPT_DATA_DOUBLE_ESCAPE_END_STATE; + this._emitChars('/'); + } else { + this._reconsumeInState(SCRIPT_DATA_DOUBLE_ESCAPED_STATE); + } + } + + // Script data double escape end state + //------------------------------------------------------------------ + [SCRIPT_DATA_DOUBLE_ESCAPE_END_STATE](cp) { + if (isWhitespace(cp) || cp === $.SOLIDUS || cp === $.GREATER_THAN_SIGN) { + this.state = this._isTempBufferEqualToScriptString() + ? SCRIPT_DATA_ESCAPED_STATE + : SCRIPT_DATA_DOUBLE_ESCAPED_STATE; + + this._emitCodePoint(cp); + } else if (isAsciiUpper(cp)) { + this.tempBuff.push(toAsciiLowerCodePoint(cp)); + this._emitCodePoint(cp); + } else if (isAsciiLower(cp)) { + this.tempBuff.push(cp); + this._emitCodePoint(cp); + } else { + this._reconsumeInState(SCRIPT_DATA_DOUBLE_ESCAPED_STATE); + } + } + + // Before attribute name state + //------------------------------------------------------------------ + [BEFORE_ATTRIBUTE_NAME_STATE](cp) { + if (isWhitespace(cp)) { + return; + } + + if (cp === $.SOLIDUS || cp === $.GREATER_THAN_SIGN || cp === $.EOF) { + this._reconsumeInState(AFTER_ATTRIBUTE_NAME_STATE); + } else if (cp === $.EQUALS_SIGN) { + this._err(ERR.unexpectedEqualsSignBeforeAttributeName); + this._createAttr('='); + this.state = ATTRIBUTE_NAME_STATE; + } else { + this._createAttr(''); + this._reconsumeInState(ATTRIBUTE_NAME_STATE); + } + } + + // Attribute name state + //------------------------------------------------------------------ + [ATTRIBUTE_NAME_STATE](cp) { + if (isWhitespace(cp) || cp === $.SOLIDUS || cp === $.GREATER_THAN_SIGN || cp === $.EOF) { + this._leaveAttrName(AFTER_ATTRIBUTE_NAME_STATE); + this._unconsume(); + } else if (cp === $.EQUALS_SIGN) { + this._leaveAttrName(BEFORE_ATTRIBUTE_VALUE_STATE); + } else if (isAsciiUpper(cp)) { + this.currentAttr.name += toAsciiLowerChar(cp); + } else if (cp === $.QUOTATION_MARK || cp === $.APOSTROPHE || cp === $.LESS_THAN_SIGN) { + this._err(ERR.unexpectedCharacterInAttributeName); + this.currentAttr.name += toChar(cp); + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this.currentAttr.name += unicode.REPLACEMENT_CHARACTER; + } else { + this.currentAttr.name += toChar(cp); + } + } + + // After attribute name state + //------------------------------------------------------------------ + [AFTER_ATTRIBUTE_NAME_STATE](cp) { + if (isWhitespace(cp)) { + return; + } + + if (cp === $.SOLIDUS) { + this.state = SELF_CLOSING_START_TAG_STATE; + } else if (cp === $.EQUALS_SIGN) { + this.state = BEFORE_ATTRIBUTE_VALUE_STATE; + } else if (cp === $.GREATER_THAN_SIGN) { + this.state = DATA_STATE; + this._emitCurrentToken(); + } else if (cp === $.EOF) { + this._err(ERR.eofInTag); + this._emitEOFToken(); + } else { + this._createAttr(''); + this._reconsumeInState(ATTRIBUTE_NAME_STATE); + } + } + + // Before attribute value state + //------------------------------------------------------------------ + [BEFORE_ATTRIBUTE_VALUE_STATE](cp) { + if (isWhitespace(cp)) { + return; + } + + if (cp === $.QUOTATION_MARK) { + this.state = ATTRIBUTE_VALUE_DOUBLE_QUOTED_STATE; + } else if (cp === $.APOSTROPHE) { + this.state = ATTRIBUTE_VALUE_SINGLE_QUOTED_STATE; + } else if (cp === $.GREATER_THAN_SIGN) { + this._err(ERR.missingAttributeValue); + this.state = DATA_STATE; + this._emitCurrentToken(); + } else { + this._reconsumeInState(ATTRIBUTE_VALUE_UNQUOTED_STATE); + } + } + + // Attribute value (double-quoted) state + //------------------------------------------------------------------ + [ATTRIBUTE_VALUE_DOUBLE_QUOTED_STATE](cp) { + if (cp === $.QUOTATION_MARK) { + this.state = AFTER_ATTRIBUTE_VALUE_QUOTED_STATE; + } else if (cp === $.AMPERSAND) { + this.returnState = ATTRIBUTE_VALUE_DOUBLE_QUOTED_STATE; + this.state = CHARACTER_REFERENCE_STATE; + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this.currentAttr.value += unicode.REPLACEMENT_CHARACTER; + } else if (cp === $.EOF) { + this._err(ERR.eofInTag); + this._emitEOFToken(); + } else { + this.currentAttr.value += toChar(cp); + } + } + + // Attribute value (single-quoted) state + //------------------------------------------------------------------ + [ATTRIBUTE_VALUE_SINGLE_QUOTED_STATE](cp) { + if (cp === $.APOSTROPHE) { + this.state = AFTER_ATTRIBUTE_VALUE_QUOTED_STATE; + } else if (cp === $.AMPERSAND) { + this.returnState = ATTRIBUTE_VALUE_SINGLE_QUOTED_STATE; + this.state = CHARACTER_REFERENCE_STATE; + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this.currentAttr.value += unicode.REPLACEMENT_CHARACTER; + } else if (cp === $.EOF) { + this._err(ERR.eofInTag); + this._emitEOFToken(); + } else { + this.currentAttr.value += toChar(cp); + } + } + + // Attribute value (unquoted) state + //------------------------------------------------------------------ + [ATTRIBUTE_VALUE_UNQUOTED_STATE](cp) { + if (isWhitespace(cp)) { + this._leaveAttrValue(BEFORE_ATTRIBUTE_NAME_STATE); + } else if (cp === $.AMPERSAND) { + this.returnState = ATTRIBUTE_VALUE_UNQUOTED_STATE; + this.state = CHARACTER_REFERENCE_STATE; + } else if (cp === $.GREATER_THAN_SIGN) { + this._leaveAttrValue(DATA_STATE); + this._emitCurrentToken(); + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this.currentAttr.value += unicode.REPLACEMENT_CHARACTER; + } else if ( + cp === $.QUOTATION_MARK || + cp === $.APOSTROPHE || + cp === $.LESS_THAN_SIGN || + cp === $.EQUALS_SIGN || + cp === $.GRAVE_ACCENT + ) { + this._err(ERR.unexpectedCharacterInUnquotedAttributeValue); + this.currentAttr.value += toChar(cp); + } else if (cp === $.EOF) { + this._err(ERR.eofInTag); + this._emitEOFToken(); + } else { + this.currentAttr.value += toChar(cp); + } + } + + // After attribute value (quoted) state + //------------------------------------------------------------------ + [AFTER_ATTRIBUTE_VALUE_QUOTED_STATE](cp) { + if (isWhitespace(cp)) { + this._leaveAttrValue(BEFORE_ATTRIBUTE_NAME_STATE); + } else if (cp === $.SOLIDUS) { + this._leaveAttrValue(SELF_CLOSING_START_TAG_STATE); + } else if (cp === $.GREATER_THAN_SIGN) { + this._leaveAttrValue(DATA_STATE); + this._emitCurrentToken(); + } else if (cp === $.EOF) { + this._err(ERR.eofInTag); + this._emitEOFToken(); + } else { + this._err(ERR.missingWhitespaceBetweenAttributes); + this._reconsumeInState(BEFORE_ATTRIBUTE_NAME_STATE); + } + } + + // Self-closing start tag state + //------------------------------------------------------------------ + [SELF_CLOSING_START_TAG_STATE](cp) { + if (cp === $.GREATER_THAN_SIGN) { + this.currentToken.selfClosing = true; + this.state = DATA_STATE; + this._emitCurrentToken(); + } else if (cp === $.EOF) { + this._err(ERR.eofInTag); + this._emitEOFToken(); + } else { + this._err(ERR.unexpectedSolidusInTag); + this._reconsumeInState(BEFORE_ATTRIBUTE_NAME_STATE); + } + } + + // Bogus comment state + //------------------------------------------------------------------ + [BOGUS_COMMENT_STATE](cp) { + if (cp === $.GREATER_THAN_SIGN) { + this.state = DATA_STATE; + this._emitCurrentToken(); + } else if (cp === $.EOF) { + this._emitCurrentToken(); + this._emitEOFToken(); + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this.currentToken.data += unicode.REPLACEMENT_CHARACTER; + } else { + this.currentToken.data += toChar(cp); + } + } + + // Markup declaration open state + //------------------------------------------------------------------ + [MARKUP_DECLARATION_OPEN_STATE](cp) { + if (this._consumeSequenceIfMatch($$.DASH_DASH_STRING, cp, true)) { + this._createCommentToken(); + this.state = COMMENT_START_STATE; + } else if (this._consumeSequenceIfMatch($$.DOCTYPE_STRING, cp, false)) { + this.state = DOCTYPE_STATE; + } else if (this._consumeSequenceIfMatch($$.CDATA_START_STRING, cp, true)) { + if (this.allowCDATA) { + this.state = CDATA_SECTION_STATE; + } else { + this._err(ERR.cdataInHtmlContent); + this._createCommentToken(); + this.currentToken.data = '[CDATA['; + this.state = BOGUS_COMMENT_STATE; + } + } + + //NOTE: sequence lookup can be abrupted by hibernation. In that case lookup + //results are no longer valid and we will need to start over. + else if (!this._ensureHibernation()) { + this._err(ERR.incorrectlyOpenedComment); + this._createCommentToken(); + this._reconsumeInState(BOGUS_COMMENT_STATE); + } + } + + // Comment start state + //------------------------------------------------------------------ + [COMMENT_START_STATE](cp) { + if (cp === $.HYPHEN_MINUS) { + this.state = COMMENT_START_DASH_STATE; + } else if (cp === $.GREATER_THAN_SIGN) { + this._err(ERR.abruptClosingOfEmptyComment); + this.state = DATA_STATE; + this._emitCurrentToken(); + } else { + this._reconsumeInState(COMMENT_STATE); + } + } + + // Comment start dash state + //------------------------------------------------------------------ + [COMMENT_START_DASH_STATE](cp) { + if (cp === $.HYPHEN_MINUS) { + this.state = COMMENT_END_STATE; + } else if (cp === $.GREATER_THAN_SIGN) { + this._err(ERR.abruptClosingOfEmptyComment); + this.state = DATA_STATE; + this._emitCurrentToken(); + } else if (cp === $.EOF) { + this._err(ERR.eofInComment); + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this.currentToken.data += '-'; + this._reconsumeInState(COMMENT_STATE); + } + } + + // Comment state + //------------------------------------------------------------------ + [COMMENT_STATE](cp) { + if (cp === $.HYPHEN_MINUS) { + this.state = COMMENT_END_DASH_STATE; + } else if (cp === $.LESS_THAN_SIGN) { + this.currentToken.data += '<'; + this.state = COMMENT_LESS_THAN_SIGN_STATE; + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this.currentToken.data += unicode.REPLACEMENT_CHARACTER; + } else if (cp === $.EOF) { + this._err(ERR.eofInComment); + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this.currentToken.data += toChar(cp); + } + } + + // Comment less-than sign state + //------------------------------------------------------------------ + [COMMENT_LESS_THAN_SIGN_STATE](cp) { + if (cp === $.EXCLAMATION_MARK) { + this.currentToken.data += '!'; + this.state = COMMENT_LESS_THAN_SIGN_BANG_STATE; + } else if (cp === $.LESS_THAN_SIGN) { + this.currentToken.data += '!'; + } else { + this._reconsumeInState(COMMENT_STATE); + } + } + + // Comment less-than sign bang state + //------------------------------------------------------------------ + [COMMENT_LESS_THAN_SIGN_BANG_STATE](cp) { + if (cp === $.HYPHEN_MINUS) { + this.state = COMMENT_LESS_THAN_SIGN_BANG_DASH_STATE; + } else { + this._reconsumeInState(COMMENT_STATE); + } + } + + // Comment less-than sign bang dash state + //------------------------------------------------------------------ + [COMMENT_LESS_THAN_SIGN_BANG_DASH_STATE](cp) { + if (cp === $.HYPHEN_MINUS) { + this.state = COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH_STATE; + } else { + this._reconsumeInState(COMMENT_END_DASH_STATE); + } + } + + // Comment less-than sign bang dash dash state + //------------------------------------------------------------------ + [COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH_STATE](cp) { + if (cp !== $.GREATER_THAN_SIGN && cp !== $.EOF) { + this._err(ERR.nestedComment); + } + + this._reconsumeInState(COMMENT_END_STATE); + } + + // Comment end dash state + //------------------------------------------------------------------ + [COMMENT_END_DASH_STATE](cp) { + if (cp === $.HYPHEN_MINUS) { + this.state = COMMENT_END_STATE; + } else if (cp === $.EOF) { + this._err(ERR.eofInComment); + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this.currentToken.data += '-'; + this._reconsumeInState(COMMENT_STATE); + } + } + + // Comment end state + //------------------------------------------------------------------ + [COMMENT_END_STATE](cp) { + if (cp === $.GREATER_THAN_SIGN) { + this.state = DATA_STATE; + this._emitCurrentToken(); + } else if (cp === $.EXCLAMATION_MARK) { + this.state = COMMENT_END_BANG_STATE; + } else if (cp === $.HYPHEN_MINUS) { + this.currentToken.data += '-'; + } else if (cp === $.EOF) { + this._err(ERR.eofInComment); + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this.currentToken.data += '--'; + this._reconsumeInState(COMMENT_STATE); + } + } + + // Comment end bang state + //------------------------------------------------------------------ + [COMMENT_END_BANG_STATE](cp) { + if (cp === $.HYPHEN_MINUS) { + this.currentToken.data += '--!'; + this.state = COMMENT_END_DASH_STATE; + } else if (cp === $.GREATER_THAN_SIGN) { + this._err(ERR.incorrectlyClosedComment); + this.state = DATA_STATE; + this._emitCurrentToken(); + } else if (cp === $.EOF) { + this._err(ERR.eofInComment); + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this.currentToken.data += '--!'; + this._reconsumeInState(COMMENT_STATE); + } + } + + // DOCTYPE state + //------------------------------------------------------------------ + [DOCTYPE_STATE](cp) { + if (isWhitespace(cp)) { + this.state = BEFORE_DOCTYPE_NAME_STATE; + } else if (cp === $.GREATER_THAN_SIGN) { + this._reconsumeInState(BEFORE_DOCTYPE_NAME_STATE); + } else if (cp === $.EOF) { + this._err(ERR.eofInDoctype); + this._createDoctypeToken(null); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this._err(ERR.missingWhitespaceBeforeDoctypeName); + this._reconsumeInState(BEFORE_DOCTYPE_NAME_STATE); + } + } + + // Before DOCTYPE name state + //------------------------------------------------------------------ + [BEFORE_DOCTYPE_NAME_STATE](cp) { + if (isWhitespace(cp)) { + return; + } + + if (isAsciiUpper(cp)) { + this._createDoctypeToken(toAsciiLowerChar(cp)); + this.state = DOCTYPE_NAME_STATE; + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this._createDoctypeToken(unicode.REPLACEMENT_CHARACTER); + this.state = DOCTYPE_NAME_STATE; + } else if (cp === $.GREATER_THAN_SIGN) { + this._err(ERR.missingDoctypeName); + this._createDoctypeToken(null); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this.state = DATA_STATE; + } else if (cp === $.EOF) { + this._err(ERR.eofInDoctype); + this._createDoctypeToken(null); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this._createDoctypeToken(toChar(cp)); + this.state = DOCTYPE_NAME_STATE; + } + } + + // DOCTYPE name state + //------------------------------------------------------------------ + [DOCTYPE_NAME_STATE](cp) { + if (isWhitespace(cp)) { + this.state = AFTER_DOCTYPE_NAME_STATE; + } else if (cp === $.GREATER_THAN_SIGN) { + this.state = DATA_STATE; + this._emitCurrentToken(); + } else if (isAsciiUpper(cp)) { + this.currentToken.name += toAsciiLowerChar(cp); + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this.currentToken.name += unicode.REPLACEMENT_CHARACTER; + } else if (cp === $.EOF) { + this._err(ERR.eofInDoctype); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this.currentToken.name += toChar(cp); + } + } + + // After DOCTYPE name state + //------------------------------------------------------------------ + [AFTER_DOCTYPE_NAME_STATE](cp) { + if (isWhitespace(cp)) { + return; + } + + if (cp === $.GREATER_THAN_SIGN) { + this.state = DATA_STATE; + this._emitCurrentToken(); + } else if (cp === $.EOF) { + this._err(ERR.eofInDoctype); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this._emitEOFToken(); + } else if (this._consumeSequenceIfMatch($$.PUBLIC_STRING, cp, false)) { + this.state = AFTER_DOCTYPE_PUBLIC_KEYWORD_STATE; + } else if (this._consumeSequenceIfMatch($$.SYSTEM_STRING, cp, false)) { + this.state = AFTER_DOCTYPE_SYSTEM_KEYWORD_STATE; + } + //NOTE: sequence lookup can be abrupted by hibernation. In that case lookup + //results are no longer valid and we will need to start over. + else if (!this._ensureHibernation()) { + this._err(ERR.invalidCharacterSequenceAfterDoctypeName); + this.currentToken.forceQuirks = true; + this._reconsumeInState(BOGUS_DOCTYPE_STATE); + } + } + + // After DOCTYPE public keyword state + //------------------------------------------------------------------ + [AFTER_DOCTYPE_PUBLIC_KEYWORD_STATE](cp) { + if (isWhitespace(cp)) { + this.state = BEFORE_DOCTYPE_PUBLIC_IDENTIFIER_STATE; + } else if (cp === $.QUOTATION_MARK) { + this._err(ERR.missingWhitespaceAfterDoctypePublicKeyword); + this.currentToken.publicId = ''; + this.state = DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED_STATE; + } else if (cp === $.APOSTROPHE) { + this._err(ERR.missingWhitespaceAfterDoctypePublicKeyword); + this.currentToken.publicId = ''; + this.state = DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED_STATE; + } else if (cp === $.GREATER_THAN_SIGN) { + this._err(ERR.missingDoctypePublicIdentifier); + this.currentToken.forceQuirks = true; + this.state = DATA_STATE; + this._emitCurrentToken(); + } else if (cp === $.EOF) { + this._err(ERR.eofInDoctype); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this._err(ERR.missingQuoteBeforeDoctypePublicIdentifier); + this.currentToken.forceQuirks = true; + this._reconsumeInState(BOGUS_DOCTYPE_STATE); + } + } + + // Before DOCTYPE public identifier state + //------------------------------------------------------------------ + [BEFORE_DOCTYPE_PUBLIC_IDENTIFIER_STATE](cp) { + if (isWhitespace(cp)) { + return; + } + + if (cp === $.QUOTATION_MARK) { + this.currentToken.publicId = ''; + this.state = DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED_STATE; + } else if (cp === $.APOSTROPHE) { + this.currentToken.publicId = ''; + this.state = DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED_STATE; + } else if (cp === $.GREATER_THAN_SIGN) { + this._err(ERR.missingDoctypePublicIdentifier); + this.currentToken.forceQuirks = true; + this.state = DATA_STATE; + this._emitCurrentToken(); + } else if (cp === $.EOF) { + this._err(ERR.eofInDoctype); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this._err(ERR.missingQuoteBeforeDoctypePublicIdentifier); + this.currentToken.forceQuirks = true; + this._reconsumeInState(BOGUS_DOCTYPE_STATE); + } + } + + // DOCTYPE public identifier (double-quoted) state + //------------------------------------------------------------------ + [DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED_STATE](cp) { + if (cp === $.QUOTATION_MARK) { + this.state = AFTER_DOCTYPE_PUBLIC_IDENTIFIER_STATE; + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this.currentToken.publicId += unicode.REPLACEMENT_CHARACTER; + } else if (cp === $.GREATER_THAN_SIGN) { + this._err(ERR.abruptDoctypePublicIdentifier); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this.state = DATA_STATE; + } else if (cp === $.EOF) { + this._err(ERR.eofInDoctype); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this.currentToken.publicId += toChar(cp); + } + } + + // DOCTYPE public identifier (single-quoted) state + //------------------------------------------------------------------ + [DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED_STATE](cp) { + if (cp === $.APOSTROPHE) { + this.state = AFTER_DOCTYPE_PUBLIC_IDENTIFIER_STATE; + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this.currentToken.publicId += unicode.REPLACEMENT_CHARACTER; + } else if (cp === $.GREATER_THAN_SIGN) { + this._err(ERR.abruptDoctypePublicIdentifier); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this.state = DATA_STATE; + } else if (cp === $.EOF) { + this._err(ERR.eofInDoctype); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this.currentToken.publicId += toChar(cp); + } + } + + // After DOCTYPE public identifier state + //------------------------------------------------------------------ + [AFTER_DOCTYPE_PUBLIC_IDENTIFIER_STATE](cp) { + if (isWhitespace(cp)) { + this.state = BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS_STATE; + } else if (cp === $.GREATER_THAN_SIGN) { + this.state = DATA_STATE; + this._emitCurrentToken(); + } else if (cp === $.QUOTATION_MARK) { + this._err(ERR.missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers); + this.currentToken.systemId = ''; + this.state = DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE; + } else if (cp === $.APOSTROPHE) { + this._err(ERR.missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers); + this.currentToken.systemId = ''; + this.state = DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE; + } else if (cp === $.EOF) { + this._err(ERR.eofInDoctype); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier); + this.currentToken.forceQuirks = true; + this._reconsumeInState(BOGUS_DOCTYPE_STATE); + } + } + + // Between DOCTYPE public and system identifiers state + //------------------------------------------------------------------ + [BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS_STATE](cp) { + if (isWhitespace(cp)) { + return; + } + + if (cp === $.GREATER_THAN_SIGN) { + this._emitCurrentToken(); + this.state = DATA_STATE; + } else if (cp === $.QUOTATION_MARK) { + this.currentToken.systemId = ''; + this.state = DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE; + } else if (cp === $.APOSTROPHE) { + this.currentToken.systemId = ''; + this.state = DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE; + } else if (cp === $.EOF) { + this._err(ERR.eofInDoctype); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier); + this.currentToken.forceQuirks = true; + this._reconsumeInState(BOGUS_DOCTYPE_STATE); + } + } + + // After DOCTYPE system keyword state + //------------------------------------------------------------------ + [AFTER_DOCTYPE_SYSTEM_KEYWORD_STATE](cp) { + if (isWhitespace(cp)) { + this.state = BEFORE_DOCTYPE_SYSTEM_IDENTIFIER_STATE; + } else if (cp === $.QUOTATION_MARK) { + this._err(ERR.missingWhitespaceAfterDoctypeSystemKeyword); + this.currentToken.systemId = ''; + this.state = DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE; + } else if (cp === $.APOSTROPHE) { + this._err(ERR.missingWhitespaceAfterDoctypeSystemKeyword); + this.currentToken.systemId = ''; + this.state = DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE; + } else if (cp === $.GREATER_THAN_SIGN) { + this._err(ERR.missingDoctypeSystemIdentifier); + this.currentToken.forceQuirks = true; + this.state = DATA_STATE; + this._emitCurrentToken(); + } else if (cp === $.EOF) { + this._err(ERR.eofInDoctype); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier); + this.currentToken.forceQuirks = true; + this._reconsumeInState(BOGUS_DOCTYPE_STATE); + } + } + + // Before DOCTYPE system identifier state + //------------------------------------------------------------------ + [BEFORE_DOCTYPE_SYSTEM_IDENTIFIER_STATE](cp) { + if (isWhitespace(cp)) { + return; + } + + if (cp === $.QUOTATION_MARK) { + this.currentToken.systemId = ''; + this.state = DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE; + } else if (cp === $.APOSTROPHE) { + this.currentToken.systemId = ''; + this.state = DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE; + } else if (cp === $.GREATER_THAN_SIGN) { + this._err(ERR.missingDoctypeSystemIdentifier); + this.currentToken.forceQuirks = true; + this.state = DATA_STATE; + this._emitCurrentToken(); + } else if (cp === $.EOF) { + this._err(ERR.eofInDoctype); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier); + this.currentToken.forceQuirks = true; + this._reconsumeInState(BOGUS_DOCTYPE_STATE); + } + } + + // DOCTYPE system identifier (double-quoted) state + //------------------------------------------------------------------ + [DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE](cp) { + if (cp === $.QUOTATION_MARK) { + this.state = AFTER_DOCTYPE_SYSTEM_IDENTIFIER_STATE; + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this.currentToken.systemId += unicode.REPLACEMENT_CHARACTER; + } else if (cp === $.GREATER_THAN_SIGN) { + this._err(ERR.abruptDoctypeSystemIdentifier); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this.state = DATA_STATE; + } else if (cp === $.EOF) { + this._err(ERR.eofInDoctype); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this.currentToken.systemId += toChar(cp); + } + } + + // DOCTYPE system identifier (single-quoted) state + //------------------------------------------------------------------ + [DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE](cp) { + if (cp === $.APOSTROPHE) { + this.state = AFTER_DOCTYPE_SYSTEM_IDENTIFIER_STATE; + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + this.currentToken.systemId += unicode.REPLACEMENT_CHARACTER; + } else if (cp === $.GREATER_THAN_SIGN) { + this._err(ERR.abruptDoctypeSystemIdentifier); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this.state = DATA_STATE; + } else if (cp === $.EOF) { + this._err(ERR.eofInDoctype); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this.currentToken.systemId += toChar(cp); + } + } + + // After DOCTYPE system identifier state + //------------------------------------------------------------------ + [AFTER_DOCTYPE_SYSTEM_IDENTIFIER_STATE](cp) { + if (isWhitespace(cp)) { + return; + } + + if (cp === $.GREATER_THAN_SIGN) { + this._emitCurrentToken(); + this.state = DATA_STATE; + } else if (cp === $.EOF) { + this._err(ERR.eofInDoctype); + this.currentToken.forceQuirks = true; + this._emitCurrentToken(); + this._emitEOFToken(); + } else { + this._err(ERR.unexpectedCharacterAfterDoctypeSystemIdentifier); + this._reconsumeInState(BOGUS_DOCTYPE_STATE); + } + } + + // Bogus DOCTYPE state + //------------------------------------------------------------------ + [BOGUS_DOCTYPE_STATE](cp) { + if (cp === $.GREATER_THAN_SIGN) { + this._emitCurrentToken(); + this.state = DATA_STATE; + } else if (cp === $.NULL) { + this._err(ERR.unexpectedNullCharacter); + } else if (cp === $.EOF) { + this._emitCurrentToken(); + this._emitEOFToken(); + } + } + + // CDATA section state + //------------------------------------------------------------------ + [CDATA_SECTION_STATE](cp) { + if (cp === $.RIGHT_SQUARE_BRACKET) { + this.state = CDATA_SECTION_BRACKET_STATE; + } else if (cp === $.EOF) { + this._err(ERR.eofInCdata); + this._emitEOFToken(); + } else { + this._emitCodePoint(cp); + } + } + + // CDATA section bracket state + //------------------------------------------------------------------ + [CDATA_SECTION_BRACKET_STATE](cp) { + if (cp === $.RIGHT_SQUARE_BRACKET) { + this.state = CDATA_SECTION_END_STATE; + } else { + this._emitChars(']'); + this._reconsumeInState(CDATA_SECTION_STATE); + } + } + + // CDATA section end state + //------------------------------------------------------------------ + [CDATA_SECTION_END_STATE](cp) { + if (cp === $.GREATER_THAN_SIGN) { + this.state = DATA_STATE; + } else if (cp === $.RIGHT_SQUARE_BRACKET) { + this._emitChars(']'); + } else { + this._emitChars(']]'); + this._reconsumeInState(CDATA_SECTION_STATE); + } + } + + // Character reference state + //------------------------------------------------------------------ + [CHARACTER_REFERENCE_STATE](cp) { + this.tempBuff = [$.AMPERSAND]; + + if (cp === $.NUMBER_SIGN) { + this.tempBuff.push(cp); + this.state = NUMERIC_CHARACTER_REFERENCE_STATE; + } else if (isAsciiAlphaNumeric(cp)) { + this._reconsumeInState(NAMED_CHARACTER_REFERENCE_STATE); + } else { + this._flushCodePointsConsumedAsCharacterReference(); + this._reconsumeInState(this.returnState); + } + } + + // Named character reference state + //------------------------------------------------------------------ + [NAMED_CHARACTER_REFERENCE_STATE](cp) { + const matchResult = this._matchNamedCharacterReference(cp); + + //NOTE: matching can be abrupted by hibernation. In that case match + //results are no longer valid and we will need to start over. + if (this._ensureHibernation()) { + this.tempBuff = [$.AMPERSAND]; + } else if (matchResult) { + const withSemicolon = this.tempBuff[this.tempBuff.length - 1] === $.SEMICOLON; + + if (!this._isCharacterReferenceAttributeQuirk(withSemicolon)) { + if (!withSemicolon) { + this._errOnNextCodePoint(ERR.missingSemicolonAfterCharacterReference); + } + + this.tempBuff = matchResult; + } + + this._flushCodePointsConsumedAsCharacterReference(); + this.state = this.returnState; + } else { + this._flushCodePointsConsumedAsCharacterReference(); + this.state = AMBIGUOUS_AMPERSAND_STATE; + } + } + + // Ambiguos ampersand state + //------------------------------------------------------------------ + [AMBIGUOUS_AMPERSAND_STATE](cp) { + if (isAsciiAlphaNumeric(cp)) { + if (this._isCharacterReferenceInAttribute()) { + this.currentAttr.value += toChar(cp); + } else { + this._emitCodePoint(cp); + } + } else { + if (cp === $.SEMICOLON) { + this._err(ERR.unknownNamedCharacterReference); + } + + this._reconsumeInState(this.returnState); + } + } + + // Numeric character reference state + //------------------------------------------------------------------ + [NUMERIC_CHARACTER_REFERENCE_STATE](cp) { + this.charRefCode = 0; + + if (cp === $.LATIN_SMALL_X || cp === $.LATIN_CAPITAL_X) { + this.tempBuff.push(cp); + this.state = HEXADEMICAL_CHARACTER_REFERENCE_START_STATE; + } else { + this._reconsumeInState(DECIMAL_CHARACTER_REFERENCE_START_STATE); + } + } + + // Hexademical character reference start state + //------------------------------------------------------------------ + [HEXADEMICAL_CHARACTER_REFERENCE_START_STATE](cp) { + if (isAsciiHexDigit(cp)) { + this._reconsumeInState(HEXADEMICAL_CHARACTER_REFERENCE_STATE); + } else { + this._err(ERR.absenceOfDigitsInNumericCharacterReference); + this._flushCodePointsConsumedAsCharacterReference(); + this._reconsumeInState(this.returnState); + } + } + + // Decimal character reference start state + //------------------------------------------------------------------ + [DECIMAL_CHARACTER_REFERENCE_START_STATE](cp) { + if (isAsciiDigit(cp)) { + this._reconsumeInState(DECIMAL_CHARACTER_REFERENCE_STATE); + } else { + this._err(ERR.absenceOfDigitsInNumericCharacterReference); + this._flushCodePointsConsumedAsCharacterReference(); + this._reconsumeInState(this.returnState); + } + } + + // Hexademical character reference state + //------------------------------------------------------------------ + [HEXADEMICAL_CHARACTER_REFERENCE_STATE](cp) { + if (isAsciiUpperHexDigit(cp)) { + this.charRefCode = this.charRefCode * 16 + cp - 0x37; + } else if (isAsciiLowerHexDigit(cp)) { + this.charRefCode = this.charRefCode * 16 + cp - 0x57; + } else if (isAsciiDigit(cp)) { + this.charRefCode = this.charRefCode * 16 + cp - 0x30; + } else if (cp === $.SEMICOLON) { + this.state = NUMERIC_CHARACTER_REFERENCE_END_STATE; + } else { + this._err(ERR.missingSemicolonAfterCharacterReference); + this._reconsumeInState(NUMERIC_CHARACTER_REFERENCE_END_STATE); + } + } + + // Decimal character reference state + //------------------------------------------------------------------ + [DECIMAL_CHARACTER_REFERENCE_STATE](cp) { + if (isAsciiDigit(cp)) { + this.charRefCode = this.charRefCode * 10 + cp - 0x30; + } else if (cp === $.SEMICOLON) { + this.state = NUMERIC_CHARACTER_REFERENCE_END_STATE; + } else { + this._err(ERR.missingSemicolonAfterCharacterReference); + this._reconsumeInState(NUMERIC_CHARACTER_REFERENCE_END_STATE); + } + } + + // Numeric character reference end state + //------------------------------------------------------------------ + [NUMERIC_CHARACTER_REFERENCE_END_STATE]() { + if (this.charRefCode === $.NULL) { + this._err(ERR.nullCharacterReference); + this.charRefCode = $.REPLACEMENT_CHARACTER; + } else if (this.charRefCode > 0x10ffff) { + this._err(ERR.characterReferenceOutsideUnicodeRange); + this.charRefCode = $.REPLACEMENT_CHARACTER; + } else if (unicode.isSurrogate(this.charRefCode)) { + this._err(ERR.surrogateCharacterReference); + this.charRefCode = $.REPLACEMENT_CHARACTER; + } else if (unicode.isUndefinedCodePoint(this.charRefCode)) { + this._err(ERR.noncharacterCharacterReference); + } else if (unicode.isControlCodePoint(this.charRefCode) || this.charRefCode === $.CARRIAGE_RETURN) { + this._err(ERR.controlCharacterReference); + + const replacement = C1_CONTROLS_REFERENCE_REPLACEMENTS[this.charRefCode]; + + if (replacement) { + this.charRefCode = replacement; + } + } + + this.tempBuff = [this.charRefCode]; + + this._flushCodePointsConsumedAsCharacterReference(); + this._reconsumeInState(this.returnState); + } +} + +//Token types +Tokenizer.CHARACTER_TOKEN = 'CHARACTER_TOKEN'; +Tokenizer.NULL_CHARACTER_TOKEN = 'NULL_CHARACTER_TOKEN'; +Tokenizer.WHITESPACE_CHARACTER_TOKEN = 'WHITESPACE_CHARACTER_TOKEN'; +Tokenizer.START_TAG_TOKEN = 'START_TAG_TOKEN'; +Tokenizer.END_TAG_TOKEN = 'END_TAG_TOKEN'; +Tokenizer.COMMENT_TOKEN = 'COMMENT_TOKEN'; +Tokenizer.DOCTYPE_TOKEN = 'DOCTYPE_TOKEN'; +Tokenizer.EOF_TOKEN = 'EOF_TOKEN'; +Tokenizer.HIBERNATION_TOKEN = 'HIBERNATION_TOKEN'; + +//Tokenizer initial states for different modes +Tokenizer.MODE = { + DATA: DATA_STATE, + RCDATA: RCDATA_STATE, + RAWTEXT: RAWTEXT_STATE, + SCRIPT_DATA: SCRIPT_DATA_STATE, + PLAINTEXT: PLAINTEXT_STATE +}; + +//Static +Tokenizer.getTokenAttr = function(token, attrName) { + for (let i = token.attrs.length - 1; i >= 0; i--) { + if (token.attrs[i].name === attrName) { + return token.attrs[i].value; + } + } + + return null; +}; + +module.exports = Tokenizer; diff --git a/node_modules/parse5/lib/tokenizer/named-entity-data.js b/node_modules/parse5/lib/tokenizer/named-entity-data.js new file mode 100644 index 0000000..36880c8 --- /dev/null +++ b/node_modules/parse5/lib/tokenizer/named-entity-data.js @@ -0,0 +1,5 @@ +'use strict'; + +//NOTE: this file contains auto-generated array mapped radix tree that is used for the named entity references consumption +//(details: https://github.com/inikulin/parse5/tree/master/scripts/generate-named-entity-data/README.md) +module.exports = new 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\ No newline at end of file diff --git a/node_modules/parse5/lib/tokenizer/preprocessor.js b/node_modules/parse5/lib/tokenizer/preprocessor.js new file mode 100644 index 0000000..26fde48 --- /dev/null +++ b/node_modules/parse5/lib/tokenizer/preprocessor.js @@ -0,0 +1,159 @@ +'use strict'; + +const unicode = require('../common/unicode'); +const ERR = require('../common/error-codes'); + +//Aliases +const $ = unicode.CODE_POINTS; + +//Const +const DEFAULT_BUFFER_WATERLINE = 1 << 16; + +//Preprocessor +//NOTE: HTML input preprocessing +//(see: http://www.whatwg.org/specs/web-apps/current-work/multipage/parsing.html#preprocessing-the-input-stream) +class Preprocessor { + constructor() { + this.html = null; + + this.pos = -1; + this.lastGapPos = -1; + this.lastCharPos = -1; + + this.gapStack = []; + + this.skipNextNewLine = false; + + this.lastChunkWritten = false; + this.endOfChunkHit = false; + this.bufferWaterline = DEFAULT_BUFFER_WATERLINE; + } + + _err() { + // NOTE: err reporting is noop by default. Enabled by mixin. + } + + _addGap() { + this.gapStack.push(this.lastGapPos); + this.lastGapPos = this.pos; + } + + _processSurrogate(cp) { + //NOTE: try to peek a surrogate pair + if (this.pos !== this.lastCharPos) { + const nextCp = this.html.charCodeAt(this.pos + 1); + + if (unicode.isSurrogatePair(nextCp)) { + //NOTE: we have a surrogate pair. Peek pair character and recalculate code point. + this.pos++; + + //NOTE: add gap that should be avoided during retreat + this._addGap(); + + return unicode.getSurrogatePairCodePoint(cp, nextCp); + } + } + + //NOTE: we are at the end of a chunk, therefore we can't infer surrogate pair yet. + else if (!this.lastChunkWritten) { + this.endOfChunkHit = true; + return $.EOF; + } + + //NOTE: isolated surrogate + this._err(ERR.surrogateInInputStream); + + return cp; + } + + dropParsedChunk() { + if (this.pos > this.bufferWaterline) { + this.lastCharPos -= this.pos; + this.html = this.html.substring(this.pos); + this.pos = 0; + this.lastGapPos = -1; + this.gapStack = []; + } + } + + write(chunk, isLastChunk) { + if (this.html) { + this.html += chunk; + } else { + this.html = chunk; + } + + this.lastCharPos = this.html.length - 1; + this.endOfChunkHit = false; + this.lastChunkWritten = isLastChunk; + } + + insertHtmlAtCurrentPos(chunk) { + this.html = this.html.substring(0, this.pos + 1) + chunk + this.html.substring(this.pos + 1, this.html.length); + + this.lastCharPos = this.html.length - 1; + this.endOfChunkHit = false; + } + + advance() { + this.pos++; + + if (this.pos > this.lastCharPos) { + this.endOfChunkHit = !this.lastChunkWritten; + return $.EOF; + } + + let cp = this.html.charCodeAt(this.pos); + + //NOTE: any U+000A LINE FEED (LF) characters that immediately follow a U+000D CARRIAGE RETURN (CR) character + //must be ignored. + if (this.skipNextNewLine && cp === $.LINE_FEED) { + this.skipNextNewLine = false; + this._addGap(); + return this.advance(); + } + + //NOTE: all U+000D CARRIAGE RETURN (CR) characters must be converted to U+000A LINE FEED (LF) characters + if (cp === $.CARRIAGE_RETURN) { + this.skipNextNewLine = true; + return $.LINE_FEED; + } + + this.skipNextNewLine = false; + + if (unicode.isSurrogate(cp)) { + cp = this._processSurrogate(cp); + } + + //OPTIMIZATION: first check if code point is in the common allowed + //range (ASCII alphanumeric, whitespaces, big chunk of BMP) + //before going into detailed performance cost validation. + const isCommonValidRange = + (cp > 0x1f && cp < 0x7f) || cp === $.LINE_FEED || cp === $.CARRIAGE_RETURN || (cp > 0x9f && cp < 0xfdd0); + + if (!isCommonValidRange) { + this._checkForProblematicCharacters(cp); + } + + return cp; + } + + _checkForProblematicCharacters(cp) { + if (unicode.isControlCodePoint(cp)) { + this._err(ERR.controlCharacterInInputStream); + } else if (unicode.isUndefinedCodePoint(cp)) { + this._err(ERR.noncharacterInInputStream); + } + } + + retreat() { + if (this.pos === this.lastGapPos) { + this.lastGapPos = this.gapStack.pop(); + this.pos--; + } + + this.pos--; + } +} + +module.exports = Preprocessor; diff --git a/node_modules/parse5/lib/tree-adapters/default.js b/node_modules/parse5/lib/tree-adapters/default.js new file mode 100644 index 0000000..14d007a --- /dev/null +++ b/node_modules/parse5/lib/tree-adapters/default.js @@ -0,0 +1,221 @@ +'use strict'; + +const { DOCUMENT_MODE } = require('../common/html'); + +//Node construction +exports.createDocument = function() { + return { + nodeName: '#document', + mode: DOCUMENT_MODE.NO_QUIRKS, + childNodes: [] + }; +}; + +exports.createDocumentFragment = function() { + return { + nodeName: '#document-fragment', + childNodes: [] + }; +}; + +exports.createElement = function(tagName, namespaceURI, attrs) { + return { + nodeName: tagName, + tagName: tagName, + attrs: attrs, + namespaceURI: namespaceURI, + childNodes: [], + parentNode: null + }; +}; + +exports.createCommentNode = function(data) { + return { + nodeName: '#comment', + data: data, + parentNode: null + }; +}; + +const createTextNode = function(value) { + return { + nodeName: '#text', + value: value, + parentNode: null + }; +}; + +//Tree mutation +const appendChild = (exports.appendChild = function(parentNode, newNode) { + parentNode.childNodes.push(newNode); + newNode.parentNode = parentNode; +}); + +const insertBefore = (exports.insertBefore = function(parentNode, newNode, referenceNode) { + const insertionIdx = parentNode.childNodes.indexOf(referenceNode); + + parentNode.childNodes.splice(insertionIdx, 0, newNode); + newNode.parentNode = parentNode; +}); + +exports.setTemplateContent = function(templateElement, contentElement) { + templateElement.content = contentElement; +}; + +exports.getTemplateContent = function(templateElement) { + return templateElement.content; +}; + +exports.setDocumentType = function(document, name, publicId, systemId) { + let doctypeNode = null; + + for (let i = 0; i < document.childNodes.length; i++) { + if (document.childNodes[i].nodeName === '#documentType') { + doctypeNode = document.childNodes[i]; + break; + } + } + + if (doctypeNode) { + doctypeNode.name = name; + doctypeNode.publicId = publicId; + doctypeNode.systemId = systemId; + } else { + appendChild(document, { + nodeName: '#documentType', + name: name, + publicId: publicId, + systemId: systemId + }); + } +}; + +exports.setDocumentMode = function(document, mode) { + document.mode = mode; +}; + +exports.getDocumentMode = function(document) { + return document.mode; +}; + +exports.detachNode = function(node) { + if (node.parentNode) { + const idx = node.parentNode.childNodes.indexOf(node); + + node.parentNode.childNodes.splice(idx, 1); + node.parentNode = null; + } +}; + +exports.insertText = function(parentNode, text) { + if (parentNode.childNodes.length) { + const prevNode = parentNode.childNodes[parentNode.childNodes.length - 1]; + + if (prevNode.nodeName === '#text') { + prevNode.value += text; + return; + } + } + + appendChild(parentNode, createTextNode(text)); +}; + +exports.insertTextBefore = function(parentNode, text, referenceNode) { + const prevNode = parentNode.childNodes[parentNode.childNodes.indexOf(referenceNode) - 1]; + + if (prevNode && prevNode.nodeName === '#text') { + prevNode.value += text; + } else { + insertBefore(parentNode, createTextNode(text), referenceNode); + } +}; + +exports.adoptAttributes = function(recipient, attrs) { + const recipientAttrsMap = []; + + for (let i = 0; i < recipient.attrs.length; i++) { + recipientAttrsMap.push(recipient.attrs[i].name); + } + + for (let j = 0; j < attrs.length; j++) { + if (recipientAttrsMap.indexOf(attrs[j].name) === -1) { + recipient.attrs.push(attrs[j]); + } + } +}; + +//Tree traversing +exports.getFirstChild = function(node) { + return node.childNodes[0]; +}; + +exports.getChildNodes = function(node) { + return node.childNodes; +}; + +exports.getParentNode = function(node) { + return node.parentNode; +}; + +exports.getAttrList = function(element) { + return element.attrs; +}; + +//Node data +exports.getTagName = function(element) { + return element.tagName; +}; + +exports.getNamespaceURI = function(element) { + return element.namespaceURI; +}; + +exports.getTextNodeContent = function(textNode) { + return textNode.value; +}; + +exports.getCommentNodeContent = function(commentNode) { + return commentNode.data; +}; + +exports.getDocumentTypeNodeName = function(doctypeNode) { + return doctypeNode.name; +}; + +exports.getDocumentTypeNodePublicId = function(doctypeNode) { + return doctypeNode.publicId; +}; + +exports.getDocumentTypeNodeSystemId = function(doctypeNode) { + return doctypeNode.systemId; +}; + +//Node types +exports.isTextNode = function(node) { + return node.nodeName === '#text'; +}; + +exports.isCommentNode = function(node) { + return node.nodeName === '#comment'; +}; + +exports.isDocumentTypeNode = function(node) { + return node.nodeName === '#documentType'; +}; + +exports.isElementNode = function(node) { + return !!node.tagName; +}; + +// Source code location +exports.setNodeSourceCodeLocation = function(node, location) { + node.sourceCodeLocation = location; +}; + +exports.getNodeSourceCodeLocation = function(node) { + return node.sourceCodeLocation; +}; + +exports.updateNodeSourceCodeLocation = function(node, endLocation) { + node.sourceCodeLocation = Object.assign(node.sourceCodeLocation, endLocation); +}; diff --git a/node_modules/parse5/lib/utils/merge-options.js b/node_modules/parse5/lib/utils/merge-options.js new file mode 100644 index 0000000..0bbe893 --- /dev/null +++ b/node_modules/parse5/lib/utils/merge-options.js @@ -0,0 +1,13 @@ +'use strict'; + +module.exports = function mergeOptions(defaults, options) { + options = options || Object.create(null); + + return [defaults, options].reduce((merged, optObj) => { + Object.keys(optObj).forEach(key => { + merged[key] = optObj[key]; + }); + + return merged; + }, Object.create(null)); +}; diff --git a/node_modules/parse5/lib/utils/mixin.js b/node_modules/parse5/lib/utils/mixin.js new file mode 100644 index 0000000..26465c4 --- /dev/null +++ b/node_modules/parse5/lib/utils/mixin.js @@ -0,0 +1,39 @@ +'use strict'; + +class Mixin { + constructor(host) { + const originalMethods = {}; + const overriddenMethods = this._getOverriddenMethods(this, originalMethods); + + for (const key of Object.keys(overriddenMethods)) { + if (typeof overriddenMethods[key] === 'function') { + originalMethods[key] = host[key]; + host[key] = overriddenMethods[key]; + } + } + } + + _getOverriddenMethods() { + throw new Error('Not implemented'); + } +} + +Mixin.install = function(host, Ctor, opts) { + if (!host.__mixins) { + host.__mixins = []; + } + + for (let i = 0; i < host.__mixins.length; i++) { + if (host.__mixins[i].constructor === Ctor) { + return host.__mixins[i]; + } + } + + const mixin = new Ctor(host, opts); + + host.__mixins.push(mixin); + + return mixin; +}; + +module.exports = Mixin; |