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author | Joel Kronqvist <work.joelkronqvist@pm.me> | 2022-03-11 20:46:06 +0200 |
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committer | Joel Kronqvist <work.joelkronqvist@pm.me> | 2022-03-11 20:46:06 +0200 |
commit | 080c5819d87b933816d724a83f3bf4f1686770a7 (patch) | |
tree | 4a2ccc68b27edf7d4cbc586c932cc7542b655e19 /node_modules/picomatch/lib/scan.js | |
parent | 5ac7049a9d30733165cc212dee308163c2a14644 (diff) | |
parent | d003b82235a9329f912522a2f70aa950dfce4998 (diff) | |
download | LYLLRuoka-080c5819d87b933816d724a83f3bf4f1686770a7.tar.gz LYLLRuoka-080c5819d87b933816d724a83f3bf4f1686770a7.zip |
Merge branch 'master' of https://github.com/JoelHMikael/FoodJS
Updating remote changes
Diffstat (limited to 'node_modules/picomatch/lib/scan.js')
-rw-r--r-- | node_modules/picomatch/lib/scan.js | 391 |
1 files changed, 391 insertions, 0 deletions
diff --git a/node_modules/picomatch/lib/scan.js b/node_modules/picomatch/lib/scan.js new file mode 100644 index 0000000..e59cd7a --- /dev/null +++ b/node_modules/picomatch/lib/scan.js @@ -0,0 +1,391 @@ +'use strict'; + +const utils = require('./utils'); +const { + CHAR_ASTERISK, /* * */ + CHAR_AT, /* @ */ + CHAR_BACKWARD_SLASH, /* \ */ + CHAR_COMMA, /* , */ + CHAR_DOT, /* . */ + CHAR_EXCLAMATION_MARK, /* ! */ + CHAR_FORWARD_SLASH, /* / */ + CHAR_LEFT_CURLY_BRACE, /* { */ + CHAR_LEFT_PARENTHESES, /* ( */ + CHAR_LEFT_SQUARE_BRACKET, /* [ */ + CHAR_PLUS, /* + */ + CHAR_QUESTION_MARK, /* ? */ + CHAR_RIGHT_CURLY_BRACE, /* } */ + CHAR_RIGHT_PARENTHESES, /* ) */ + CHAR_RIGHT_SQUARE_BRACKET /* ] */ +} = require('./constants'); + +const isPathSeparator = code => { + return code === CHAR_FORWARD_SLASH || code === CHAR_BACKWARD_SLASH; +}; + +const depth = token => { + if (token.isPrefix !== true) { + token.depth = token.isGlobstar ? Infinity : 1; + } +}; + +/** + * Quickly scans a glob pattern and returns an object with a handful of + * useful properties, like `isGlob`, `path` (the leading non-glob, if it exists), + * `glob` (the actual pattern), `negated` (true if the path starts with `!` but not + * with `!(`) and `negatedExtglob` (true if the path starts with `!(`). + * + * ```js + * const pm = require('picomatch'); + * console.log(pm.scan('foo/bar/*.js')); + * { isGlob: true, input: 'foo/bar/*.js', base: 'foo/bar', glob: '*.js' } + * ``` + * @param {String} `str` + * @param {Object} `options` + * @return {Object} Returns an object with tokens and regex source string. + * @api public + */ + +const scan = (input, options) => { + const opts = options || {}; + + const length = input.length - 1; + const scanToEnd = opts.parts === true || opts.scanToEnd === true; + const slashes = []; + const tokens = []; + const parts = []; + + let str = input; + let index = -1; + let start = 0; + let lastIndex = 0; + let isBrace = false; + let isBracket = false; + let isGlob = false; + let isExtglob = false; + let isGlobstar = false; + let braceEscaped = false; + let backslashes = false; + let negated = false; + let negatedExtglob = false; + let finished = false; + let braces = 0; + let prev; + let code; + let token = { value: '', depth: 0, isGlob: false }; + + const eos = () => index >= length; + const peek = () => str.charCodeAt(index + 1); + const advance = () => { + prev = code; + return str.charCodeAt(++index); + }; + + while (index < length) { + code = advance(); + let next; + + if (code === CHAR_BACKWARD_SLASH) { + backslashes = token.backslashes = true; + code = advance(); + + if (code === CHAR_LEFT_CURLY_BRACE) { + braceEscaped = true; + } + continue; + } + + if (braceEscaped === true || code === CHAR_LEFT_CURLY_BRACE) { + braces++; + + while (eos() !== true && (code = advance())) { + if (code === CHAR_BACKWARD_SLASH) { + backslashes = token.backslashes = true; + advance(); + continue; + } + + if (code === CHAR_LEFT_CURLY_BRACE) { + braces++; + continue; + } + + if (braceEscaped !== true && code === CHAR_DOT && (code = advance()) === CHAR_DOT) { + isBrace = token.isBrace = true; + isGlob = token.isGlob = true; + finished = true; + + if (scanToEnd === true) { + continue; + } + + break; + } + + if (braceEscaped !== true && code === CHAR_COMMA) { + isBrace = token.isBrace = true; + isGlob = token.isGlob = true; + finished = true; + + if (scanToEnd === true) { + continue; + } + + break; + } + + if (code === CHAR_RIGHT_CURLY_BRACE) { + braces--; + + if (braces === 0) { + braceEscaped = false; + isBrace = token.isBrace = true; + finished = true; + break; + } + } + } + + if (scanToEnd === true) { + continue; + } + + break; + } + + if (code === CHAR_FORWARD_SLASH) { + slashes.push(index); + tokens.push(token); + token = { value: '', depth: 0, isGlob: false }; + + if (finished === true) continue; + if (prev === CHAR_DOT && index === (start + 1)) { + start += 2; + continue; + } + + lastIndex = index + 1; + continue; + } + + if (opts.noext !== true) { + const isExtglobChar = code === CHAR_PLUS + || code === CHAR_AT + || code === CHAR_ASTERISK + || code === CHAR_QUESTION_MARK + || code === CHAR_EXCLAMATION_MARK; + + if (isExtglobChar === true && peek() === CHAR_LEFT_PARENTHESES) { + isGlob = token.isGlob = true; + isExtglob = token.isExtglob = true; + finished = true; + if (code === CHAR_EXCLAMATION_MARK && index === start) { + negatedExtglob = true; + } + + if (scanToEnd === true) { + while (eos() !== true && (code = advance())) { + if (code === CHAR_BACKWARD_SLASH) { + backslashes = token.backslashes = true; + code = advance(); + continue; + } + + if (code === CHAR_RIGHT_PARENTHESES) { + isGlob = token.isGlob = true; + finished = true; + break; + } + } + continue; + } + break; + } + } + + if (code === CHAR_ASTERISK) { + if (prev === CHAR_ASTERISK) isGlobstar = token.isGlobstar = true; + isGlob = token.isGlob = true; + finished = true; + + if (scanToEnd === true) { + continue; + } + break; + } + + if (code === CHAR_QUESTION_MARK) { + isGlob = token.isGlob = true; + finished = true; + + if (scanToEnd === true) { + continue; + } + break; + } + + if (code === CHAR_LEFT_SQUARE_BRACKET) { + while (eos() !== true && (next = advance())) { + if (next === CHAR_BACKWARD_SLASH) { + backslashes = token.backslashes = true; + advance(); + continue; + } + + if (next === CHAR_RIGHT_SQUARE_BRACKET) { + isBracket = token.isBracket = true; + isGlob = token.isGlob = true; + finished = true; + break; + } + } + + if (scanToEnd === true) { + continue; + } + + break; + } + + if (opts.nonegate !== true && code === CHAR_EXCLAMATION_MARK && index === start) { + negated = token.negated = true; + start++; + continue; + } + + if (opts.noparen !== true && code === CHAR_LEFT_PARENTHESES) { + isGlob = token.isGlob = true; + + if (scanToEnd === true) { + while (eos() !== true && (code = advance())) { + if (code === CHAR_LEFT_PARENTHESES) { + backslashes = token.backslashes = true; + code = advance(); + continue; + } + + if (code === CHAR_RIGHT_PARENTHESES) { + finished = true; + break; + } + } + continue; + } + break; + } + + if (isGlob === true) { + finished = true; + + if (scanToEnd === true) { + continue; + } + + break; + } + } + + if (opts.noext === true) { + isExtglob = false; + isGlob = false; + } + + let base = str; + let prefix = ''; + let glob = ''; + + if (start > 0) { + prefix = str.slice(0, start); + str = str.slice(start); + lastIndex -= start; + } + + if (base && isGlob === true && lastIndex > 0) { + base = str.slice(0, lastIndex); + glob = str.slice(lastIndex); + } else if (isGlob === true) { + base = ''; + glob = str; + } else { + base = str; + } + + if (base && base !== '' && base !== '/' && base !== str) { + if (isPathSeparator(base.charCodeAt(base.length - 1))) { + base = base.slice(0, -1); + } + } + + if (opts.unescape === true) { + if (glob) glob = utils.removeBackslashes(glob); + + if (base && backslashes === true) { + base = utils.removeBackslashes(base); + } + } + + const state = { + prefix, + input, + start, + base, + glob, + isBrace, + isBracket, + isGlob, + isExtglob, + isGlobstar, + negated, + negatedExtglob + }; + + if (opts.tokens === true) { + state.maxDepth = 0; + if (!isPathSeparator(code)) { + tokens.push(token); + } + state.tokens = tokens; + } + + if (opts.parts === true || opts.tokens === true) { + let prevIndex; + + for (let idx = 0; idx < slashes.length; idx++) { + const n = prevIndex ? prevIndex + 1 : start; + const i = slashes[idx]; + const value = input.slice(n, i); + if (opts.tokens) { + if (idx === 0 && start !== 0) { + tokens[idx].isPrefix = true; + tokens[idx].value = prefix; + } else { + tokens[idx].value = value; + } + depth(tokens[idx]); + state.maxDepth += tokens[idx].depth; + } + if (idx !== 0 || value !== '') { + parts.push(value); + } + prevIndex = i; + } + + if (prevIndex && prevIndex + 1 < input.length) { + const value = input.slice(prevIndex + 1); + parts.push(value); + + if (opts.tokens) { + tokens[tokens.length - 1].value = value; + depth(tokens[tokens.length - 1]); + state.maxDepth += tokens[tokens.length - 1].depth; + } + } + + state.slashes = slashes; + state.parts = parts; + } + + return state; +}; + +module.exports = scan; |