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module.exports = minimatch
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minimatch.Minimatch = Minimatch
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3
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var path = { sep: '/' }
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try {
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path = require('path')
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} catch (er) {}
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var GLOBSTAR = minimatch.GLOBSTAR = Minimatch.GLOBSTAR = {}
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var expand = require('brace-expansion')
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var plTypes = {
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'!': { open: '(?:(?!(?:', close: '))[^/]*?)'},
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'?': { open: '(?:', close: ')?' },
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'+': { open: '(?:', close: ')+' },
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'*': { open: '(?:', close: ')*' },
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'@': { open: '(?:', close: ')' }
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}
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// any single thing other than /
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// don't need to escape / when using new RegExp()
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var qmark = '[^/]'
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// * => any number of characters
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var star = qmark + '*?'
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// ** when dots are allowed. Anything goes, except .. and .
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// not (^ or / followed by one or two dots followed by $ or /),
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// followed by anything, any number of times.
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var twoStarDot = '(?:(?!(?:\\\/|^)(?:\\.{1,2})($|\\\/)).)*?'
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// not a ^ or / followed by a dot,
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// followed by anything, any number of times.
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var twoStarNoDot = '(?:(?!(?:\\\/|^)\\.).)*?'
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// characters that need to be escaped in RegExp.
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var reSpecials = charSet('().*{}+?[]^$\\!')
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// "abc" -> { a:true, b:true, c:true }
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function charSet (s) {
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return s.split('').reduce(function (set, c) {
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set[c] = true
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return set
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}, {})
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}
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// normalizes slashes.
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var slashSplit = /\/+/
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minimatch.filter = filter
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function filter (pattern, options) {
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options = options || {}
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return function (p, i, list) {
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return minimatch(p, pattern, options)
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}
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}
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function ext (a, b) {
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a = a || {}
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b = b || {}
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var t = {}
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Object.keys(b).forEach(function (k) {
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t[k] = b[k]
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})
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Object.keys(a).forEach(function (k) {
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t[k] = a[k]
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})
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return t
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}
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minimatch.defaults = function (def) {
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if (!def || !Object.keys(def).length) return minimatch
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var orig = minimatch
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var m = function minimatch (p, pattern, options) {
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return orig.minimatch(p, pattern, ext(def, options))
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}
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m.Minimatch = function Minimatch (pattern, options) {
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return new orig.Minimatch(pattern, ext(def, options))
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}
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return m
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}
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Minimatch.defaults = function (def) {
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if (!def || !Object.keys(def).length) return Minimatch
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return minimatch.defaults(def).Minimatch
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}
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function minimatch (p, pattern, options) {
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if (typeof pattern !== 'string') {
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throw new TypeError('glob pattern string required')
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}
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if (!options) options = {}
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// shortcut: comments match nothing.
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if (!options.nocomment && pattern.charAt(0) === '#') {
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return false
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}
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// "" only matches ""
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if (pattern.trim() === '') return p === ''
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return new Minimatch(pattern, options).match(p)
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}
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function Minimatch (pattern, options) {
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if (!(this instanceof Minimatch)) {
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return new Minimatch(pattern, options)
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}
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if (typeof pattern !== 'string') {
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throw new TypeError('glob pattern string required')
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}
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if (!options) options = {}
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pattern = pattern.trim()
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// windows support: need to use /, not \
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if (path.sep !== '/') {
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pattern = pattern.split(path.sep).join('/')
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}
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this.options = options
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this.set = []
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this.pattern = pattern
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this.regexp = null
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this.negate = false
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this.comment = false
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this.empty = false
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// make the set of regexps etc.
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this.make()
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}
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Minimatch.prototype.debug = function () {}
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Minimatch.prototype.make = make
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function make () {
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// don't do it more than once.
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if (this._made) return
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var pattern = this.pattern
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var options = this.options
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// empty patterns and comments match nothing.
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if (!options.nocomment && pattern.charAt(0) === '#') {
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this.comment = true
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return
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}
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if (!pattern) {
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this.empty = true
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return
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}
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// step 1: figure out negation, etc.
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this.parseNegate()
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// step 2: expand braces
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var set = this.globSet = this.braceExpand()
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if (options.debug) this.debug = console.error
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this.debug(this.pattern, set)
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// step 3: now we have a set, so turn each one into a series of path-portion
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// matching patterns.
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// These will be regexps, except in the case of "**", which is
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// set to the GLOBSTAR object for globstar behavior,
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// and will not contain any / characters
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set = this.globParts = set.map(function (s) {
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return s.split(slashSplit)
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})
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this.debug(this.pattern, set)
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// glob --> regexps
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set = set.map(function (s, si, set) {
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return s.map(this.parse, this)
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}, this)
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this.debug(this.pattern, set)
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// filter out everything that didn't compile properly.
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set = set.filter(function (s) {
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return s.indexOf(false) === -1
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})
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this.debug(this.pattern, set)
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this.set = set
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}
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Minimatch.prototype.parseNegate = parseNegate
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function parseNegate () {
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var pattern = this.pattern
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var negate = false
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var options = this.options
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var negateOffset = 0
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if (options.nonegate) return
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for (var i = 0, l = pattern.length
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; i < l && pattern.charAt(i) === '!'
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; i++) {
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negate = !negate
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negateOffset++
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}
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if (negateOffset) this.pattern = pattern.substr(negateOffset)
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this.negate = negate
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}
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// Brace expansion:
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// a{b,c}d -> abd acd
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// a{b,}c -> abc ac
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// a{0..3}d -> a0d a1d a2d a3d
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// a{b,c{d,e}f}g -> abg acdfg acefg
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// a{b,c}d{e,f}g -> abdeg acdeg abdeg abdfg
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//
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// Invalid sets are not expanded.
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// a{2..}b -> a{2..}b
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// a{b}c -> a{b}c
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minimatch.braceExpand = function (pattern, options) {
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return braceExpand(pattern, options)
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}
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Minimatch.prototype.braceExpand = braceExpand
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function braceExpand (pattern, options) {
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if (!options) {
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if (this instanceof Minimatch) {
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options = this.options
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} else {
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options = {}
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}
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}
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pattern = typeof pattern === 'undefined'
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? this.pattern : pattern
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if (typeof pattern === 'undefined') {
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throw new TypeError('undefined pattern')
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}
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248
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if (options.nobrace ||
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!pattern.match(/\{.*\}/)) {
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// shortcut. no need to expand.
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return [pattern]
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}
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return expand(pattern)
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}
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// parse a component of the expanded set.
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259
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// At this point, no pattern may contain "/" in it
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260
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// so we're going to return a 2d array, where each entry is the full
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261
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// pattern, split on '/', and then turned into a regular expression.
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262
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// A regexp is made at the end which joins each array with an
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263
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// escaped /, and another full one which joins each regexp with |.
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//
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265
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// Following the lead of Bash 4.1, note that "**" only has special meaning
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266
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// when it is the *only* thing in a path portion. Otherwise, any series
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267
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// of * is equivalent to a single *. Globstar behavior is enabled by
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// default, and can be disabled by setting options.noglobstar.
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269
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Minimatch.prototype.parse = parse
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var SUBPARSE = {}
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function parse (pattern, isSub) {
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272
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if (pattern.length > 1024 * 64) {
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273
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throw new TypeError('pattern is too long')
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274
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}
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275
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276
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var options = this.options
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277
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// shortcuts
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279
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if (!options.noglobstar && pattern === '**') return GLOBSTAR
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280
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if (pattern === '') return ''
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281
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282
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var re = ''
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283
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var hasMagic = !!options.nocase
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284
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var escaping = false
|
285
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// ? => one single character
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286
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var patternListStack = []
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287
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var negativeLists = []
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288
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var stateChar
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289
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var inClass = false
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290
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var reClassStart = -1
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291
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var classStart = -1
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292
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// . and .. never match anything that doesn't start with .,
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293
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// even when options.dot is set.
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294
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var patternStart = pattern.charAt(0) === '.' ? '' // anything
|
295
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// not (start or / followed by . or .. followed by / or end)
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296
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: options.dot ? '(?!(?:^|\\\/)\\.{1,2}(?:$|\\\/))'
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297
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: '(?!\\.)'
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298
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var self = this
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299
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300
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function clearStateChar () {
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301
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if (stateChar) {
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302
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// we had some state-tracking character
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303
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// that wasn't consumed by this pass.
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304
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switch (stateChar) {
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305
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case '*':
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306
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re += star
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307
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hasMagic = true
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308
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break
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309
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case '?':
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310
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re += qmark
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311
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hasMagic = true
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312
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break
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313
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default:
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314
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re += '\\' + stateChar
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315
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break
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316
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}
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317
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self.debug('clearStateChar %j %j', stateChar, re)
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318
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stateChar = false
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319
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}
|
320
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}
|
321
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322
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for (var i = 0, len = pattern.length, c
|
323
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; (i < len) && (c = pattern.charAt(i))
|
324
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; i++) {
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325
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this.debug('%s\t%s %s %j', pattern, i, re, c)
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326
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327
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// skip over any that are escaped.
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328
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if (escaping && reSpecials[c]) {
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329
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re += '\\' + c
|
330
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escaping = false
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331
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continue
|
332
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}
|
333
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|
334
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switch (c) {
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335
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case '/':
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336
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// completely not allowed, even escaped.
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337
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// Should already be path-split by now.
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338
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return false
|
339
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|
340
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case '\\':
|
341
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clearStateChar()
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342
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escaping = true
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343
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continue
|
344
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|
345
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// the various stateChar values
|
346
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// for the "extglob" stuff.
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347
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case '?':
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348
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case '*':
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349
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case '+':
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350
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case '@':
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351
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case '!':
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352
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this.debug('%s\t%s %s %j <-- stateChar', pattern, i, re, c)
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353
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354
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// all of those are literals inside a class, except that
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355
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// the glob [!a] means [^a] in regexp
|
356
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if (inClass) {
|
357
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this.debug(' in class')
|
358
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if (c === '!' && i === classStart + 1) c = '^'
|
359
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re += c
|
360
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continue
|
361
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}
|
362
|
|
363
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// if we already have a stateChar, then it means
|
364
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// that there was something like ** or +? in there.
|
365
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// Handle the stateChar, then proceed with this one.
|
366
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self.debug('call clearStateChar %j', stateChar)
|
367
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clearStateChar()
|
368
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stateChar = c
|
369
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// if extglob is disabled, then +(asdf|foo) isn't a thing.
|
370
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// just clear the statechar *now*, rather than even diving into
|
371
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// the patternList stuff.
|
372
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if (options.noext) clearStateChar()
|
373
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continue
|
374
|
|
375
|
case '(':
|
376
|
if (inClass) {
|
377
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re += '('
|
378
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continue
|
379
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}
|
380
|
|
381
|
if (!stateChar) {
|
382
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re += '\\('
|
383
|
continue
|
384
|
}
|
385
|
|
386
|
patternListStack.push({
|
387
|
type: stateChar,
|
388
|
start: i - 1,
|
389
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reStart: re.length,
|
390
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open: plTypes[stateChar].open,
|
391
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close: plTypes[stateChar].close
|
392
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})
|
393
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// negation is (?:(?!js)[^/]*)
|
394
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re += stateChar === '!' ? '(?:(?!(?:' : '(?:'
|
395
|
this.debug('plType %j %j', stateChar, re)
|
396
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stateChar = false
|
397
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continue
|
398
|
|
399
|
case ')':
|
400
|
if (inClass || !patternListStack.length) {
|
401
|
re += '\\)'
|
402
|
continue
|
403
|
}
|
404
|
|
405
|
clearStateChar()
|
406
|
hasMagic = true
|
407
|
var pl = patternListStack.pop()
|
408
|
// negation is (?:(?!js)[^/]*)
|
409
|
// The others are (?:<pattern>)<type>
|
410
|
re += pl.close
|
411
|
if (pl.type === '!') {
|
412
|
negativeLists.push(pl)
|
413
|
}
|
414
|
pl.reEnd = re.length
|
415
|
continue
|
416
|
|
417
|
case '|':
|
418
|
if (inClass || !patternListStack.length || escaping) {
|
419
|
re += '\\|'
|
420
|
escaping = false
|
421
|
continue
|
422
|
}
|
423
|
|
424
|
clearStateChar()
|
425
|
re += '|'
|
426
|
continue
|
427
|
|
428
|
// these are mostly the same in regexp and glob
|
429
|
case '[':
|
430
|
// swallow any state-tracking char before the [
|
431
|
clearStateChar()
|
432
|
|
433
|
if (inClass) {
|
434
|
re += '\\' + c
|
435
|
continue
|
436
|
}
|
437
|
|
438
|
inClass = true
|
439
|
classStart = i
|
440
|
reClassStart = re.length
|
441
|
re += c
|
442
|
continue
|
443
|
|
444
|
case ']':
|
445
|
// a right bracket shall lose its special
|
446
|
// meaning and represent itself in
|
447
|
// a bracket expression if it occurs
|
448
|
// first in the list. -- POSIX.2 2.8.3.2
|
449
|
if (i === classStart + 1 || !inClass) {
|
450
|
re += '\\' + c
|
451
|
escaping = false
|
452
|
continue
|
453
|
}
|
454
|
|
455
|
// handle the case where we left a class open.
|
456
|
// "[z-a]" is valid, equivalent to "\[z-a\]"
|
457
|
if (inClass) {
|
458
|
// split where the last [ was, make sure we don't have
|
459
|
// an invalid re. if so, re-walk the contents of the
|
460
|
// would-be class to re-translate any characters that
|
461
|
// were passed through as-is
|
462
|
// TODO: It would probably be faster to determine this
|
463
|
// without a try/catch and a new RegExp, but it's tricky
|
464
|
// to do safely. For now, this is safe and works.
|
465
|
var cs = pattern.substring(classStart + 1, i)
|
466
|
try {
|
467
|
RegExp('[' + cs + ']')
|
468
|
} catch (er) {
|
469
|
// not a valid class!
|
470
|
var sp = this.parse(cs, SUBPARSE)
|
471
|
re = re.substr(0, reClassStart) + '\\[' + sp[0] + '\\]'
|
472
|
hasMagic = hasMagic || sp[1]
|
473
|
inClass = false
|
474
|
continue
|
475
|
}
|
476
|
}
|
477
|
|
478
|
// finish up the class.
|
479
|
hasMagic = true
|
480
|
inClass = false
|
481
|
re += c
|
482
|
continue
|
483
|
|
484
|
default:
|
485
|
// swallow any state char that wasn't consumed
|
486
|
clearStateChar()
|
487
|
|
488
|
if (escaping) {
|
489
|
// no need
|
490
|
escaping = false
|
491
|
} else if (reSpecials[c]
|
492
|
&& !(c === '^' && inClass)) {
|
493
|
re += '\\'
|
494
|
}
|
495
|
|
496
|
re += c
|
497
|
|
498
|
} // switch
|
499
|
} // for
|
500
|
|
501
|
// handle the case where we left a class open.
|
502
|
// "[abc" is valid, equivalent to "\[abc"
|
503
|
if (inClass) {
|
504
|
// split where the last [ was, and escape it
|
505
|
// this is a huge pita. We now have to re-walk
|
506
|
// the contents of the would-be class to re-translate
|
507
|
// any characters that were passed through as-is
|
508
|
cs = pattern.substr(classStart + 1)
|
509
|
sp = this.parse(cs, SUBPARSE)
|
510
|
re = re.substr(0, reClassStart) + '\\[' + sp[0]
|
511
|
hasMagic = hasMagic || sp[1]
|
512
|
}
|
513
|
|
514
|
// handle the case where we had a +( thing at the *end*
|
515
|
// of the pattern.
|
516
|
// each pattern list stack adds 3 chars, and we need to go through
|
517
|
// and escape any | chars that were passed through as-is for the regexp.
|
518
|
// Go through and escape them, taking care not to double-escape any
|
519
|
// | chars that were already escaped.
|
520
|
for (pl = patternListStack.pop(); pl; pl = patternListStack.pop()) {
|
521
|
var tail = re.slice(pl.reStart + pl.open.length)
|
522
|
this.debug('setting tail', re, pl)
|
523
|
// maybe some even number of \, then maybe 1 \, followed by a |
|
524
|
tail = tail.replace(/((?:\\{2}){0,64})(\\?)\|/g, function (_, $1, $2) {
|
525
|
if (!$2) {
|
526
|
// the | isn't already escaped, so escape it.
|
527
|
$2 = '\\'
|
528
|
}
|
529
|
|
530
|
// need to escape all those slashes *again*, without escaping the
|
531
|
// one that we need for escaping the | character. As it works out,
|
532
|
// escaping an even number of slashes can be done by simply repeating
|
533
|
// it exactly after itself. That's why this trick works.
|
534
|
//
|
535
|
// I am sorry that you have to see this.
|
536
|
return $1 + $1 + $2 + '|'
|
537
|
})
|
538
|
|
539
|
this.debug('tail=%j\n %s', tail, tail, pl, re)
|
540
|
var t = pl.type === '*' ? star
|
541
|
: pl.type === '?' ? qmark
|
542
|
: '\\' + pl.type
|
543
|
|
544
|
hasMagic = true
|
545
|
re = re.slice(0, pl.reStart) + t + '\\(' + tail
|
546
|
}
|
547
|
|
548
|
// handle trailing things that only matter at the very end.
|
549
|
clearStateChar()
|
550
|
if (escaping) {
|
551
|
// trailing \\
|
552
|
re += '\\\\'
|
553
|
}
|
554
|
|
555
|
// only need to apply the nodot start if the re starts with
|
556
|
// something that could conceivably capture a dot
|
557
|
var addPatternStart = false
|
558
|
switch (re.charAt(0)) {
|
559
|
case '.':
|
560
|
case '[':
|
561
|
case '(': addPatternStart = true
|
562
|
}
|
563
|
|
564
|
// Hack to work around lack of negative lookbehind in JS
|
565
|
// A pattern like: *.!(x).!(y|z) needs to ensure that a name
|
566
|
// like 'a.xyz.yz' doesn't match. So, the first negative
|
567
|
// lookahead, has to look ALL the way ahead, to the end of
|
568
|
// the pattern.
|
569
|
for (var n = negativeLists.length - 1; n > -1; n--) {
|
570
|
var nl = negativeLists[n]
|
571
|
|
572
|
var nlBefore = re.slice(0, nl.reStart)
|
573
|
var nlFirst = re.slice(nl.reStart, nl.reEnd - 8)
|
574
|
var nlLast = re.slice(nl.reEnd - 8, nl.reEnd)
|
575
|
var nlAfter = re.slice(nl.reEnd)
|
576
|
|
577
|
nlLast += nlAfter
|
578
|
|
579
|
// Handle nested stuff like *(*.js|!(*.json)), where open parens
|
580
|
// mean that we should *not* include the ) in the bit that is considered
|
581
|
// "after" the negated section.
|
582
|
var openParensBefore = nlBefore.split('(').length - 1
|
583
|
var cleanAfter = nlAfter
|
584
|
for (i = 0; i < openParensBefore; i++) {
|
585
|
cleanAfter = cleanAfter.replace(/\)[+*?]?/, '')
|
586
|
}
|
587
|
nlAfter = cleanAfter
|
588
|
|
589
|
var dollar = ''
|
590
|
if (nlAfter === '' && isSub !== SUBPARSE) {
|
591
|
dollar = '$'
|
592
|
}
|
593
|
var newRe = nlBefore + nlFirst + nlAfter + dollar + nlLast
|
594
|
re = newRe
|
595
|
}
|
596
|
|
597
|
// if the re is not "" at this point, then we need to make sure
|
598
|
// it doesn't match against an empty path part.
|
599
|
// Otherwise a/* will match a/, which it should not.
|
600
|
if (re !== '' && hasMagic) {
|
601
|
re = '(?=.)' + re
|
602
|
}
|
603
|
|
604
|
if (addPatternStart) {
|
605
|
re = patternStart + re
|
606
|
}
|
607
|
|
608
|
// parsing just a piece of a larger pattern.
|
609
|
if (isSub === SUBPARSE) {
|
610
|
return [re, hasMagic]
|
611
|
}
|
612
|
|
613
|
// skip the regexp for non-magical patterns
|
614
|
// unescape anything in it, though, so that it'll be
|
615
|
// an exact match against a file etc.
|
616
|
if (!hasMagic) {
|
617
|
return globUnescape(pattern)
|
618
|
}
|
619
|
|
620
|
var flags = options.nocase ? 'i' : ''
|
621
|
try {
|
622
|
var regExp = new RegExp('^' + re + '$', flags)
|
623
|
} catch (er) {
|
624
|
// If it was an invalid regular expression, then it can't match
|
625
|
// anything. This trick looks for a character after the end of
|
626
|
// the string, which is of course impossible, except in multi-line
|
627
|
// mode, but it's not a /m regex.
|
628
|
return new RegExp('$.')
|
629
|
}
|
630
|
|
631
|
regExp._glob = pattern
|
632
|
regExp._src = re
|
633
|
|
634
|
return regExp
|
635
|
}
|
636
|
|
637
|
minimatch.makeRe = function (pattern, options) {
|
638
|
return new Minimatch(pattern, options || {}).makeRe()
|
639
|
}
|
640
|
|
641
|
Minimatch.prototype.makeRe = makeRe
|
642
|
function makeRe () {
|
643
|
if (this.regexp || this.regexp === false) return this.regexp
|
644
|
|
645
|
// at this point, this.set is a 2d array of partial
|
646
|
// pattern strings, or "**".
|
647
|
//
|
648
|
// It's better to use .match(). This function shouldn't
|
649
|
// be used, really, but it's pretty convenient sometimes,
|
650
|
// when you just want to work with a regex.
|
651
|
var set = this.set
|
652
|
|
653
|
if (!set.length) {
|
654
|
this.regexp = false
|
655
|
return this.regexp
|
656
|
}
|
657
|
var options = this.options
|
658
|
|
659
|
var twoStar = options.noglobstar ? star
|
660
|
: options.dot ? twoStarDot
|
661
|
: twoStarNoDot
|
662
|
var flags = options.nocase ? 'i' : ''
|
663
|
|
664
|
var re = set.map(function (pattern) {
|
665
|
return pattern.map(function (p) {
|
666
|
return (p === GLOBSTAR) ? twoStar
|
667
|
: (typeof p === 'string') ? regExpEscape(p)
|
668
|
: p._src
|
669
|
}).join('\\\/')
|
670
|
}).join('|')
|
671
|
|
672
|
// must match entire pattern
|
673
|
// ending in a * or ** will make it less strict.
|
674
|
re = '^(?:' + re + ')$'
|
675
|
|
676
|
// can match anything, as long as it's not this.
|
677
|
if (this.negate) re = '^(?!' + re + ').*$'
|
678
|
|
679
|
try {
|
680
|
this.regexp = new RegExp(re, flags)
|
681
|
} catch (ex) {
|
682
|
this.regexp = false
|
683
|
}
|
684
|
return this.regexp
|
685
|
}
|
686
|
|
687
|
minimatch.match = function (list, pattern, options) {
|
688
|
options = options || {}
|
689
|
var mm = new Minimatch(pattern, options)
|
690
|
list = list.filter(function (f) {
|
691
|
return mm.match(f)
|
692
|
})
|
693
|
if (mm.options.nonull && !list.length) {
|
694
|
list.push(pattern)
|
695
|
}
|
696
|
return list
|
697
|
}
|
698
|
|
699
|
Minimatch.prototype.match = match
|
700
|
function match (f, partial) {
|
701
|
this.debug('match', f, this.pattern)
|
702
|
// short-circuit in the case of busted things.
|
703
|
// comments, etc.
|
704
|
if (this.comment) return false
|
705
|
if (this.empty) return f === ''
|
706
|
|
707
|
if (f === '/' && partial) return true
|
708
|
|
709
|
var options = this.options
|
710
|
|
711
|
// windows: need to use /, not \
|
712
|
if (path.sep !== '/') {
|
713
|
f = f.split(path.sep).join('/')
|
714
|
}
|
715
|
|
716
|
// treat the test path as a set of pathparts.
|
717
|
f = f.split(slashSplit)
|
718
|
this.debug(this.pattern, 'split', f)
|
719
|
|
720
|
// just ONE of the pattern sets in this.set needs to match
|
721
|
// in order for it to be valid. If negating, then just one
|
722
|
// match means that we have failed.
|
723
|
// Either way, return on the first hit.
|
724
|
|
725
|
var set = this.set
|
726
|
this.debug(this.pattern, 'set', set)
|
727
|
|
728
|
// Find the basename of the path by looking for the last non-empty segment
|
729
|
var filename
|
730
|
var i
|
731
|
for (i = f.length - 1; i >= 0; i--) {
|
732
|
filename = f[i]
|
733
|
if (filename) break
|
734
|
}
|
735
|
|
736
|
for (i = 0; i < set.length; i++) {
|
737
|
var pattern = set[i]
|
738
|
var file = f
|
739
|
if (options.matchBase && pattern.length === 1) {
|
740
|
file = [filename]
|
741
|
}
|
742
|
var hit = this.matchOne(file, pattern, partial)
|
743
|
if (hit) {
|
744
|
if (options.flipNegate) return true
|
745
|
return !this.negate
|
746
|
}
|
747
|
}
|
748
|
|
749
|
// didn't get any hits. this is success if it's a negative
|
750
|
// pattern, failure otherwise.
|
751
|
if (options.flipNegate) return false
|
752
|
return this.negate
|
753
|
}
|
754
|
|
755
|
// set partial to true to test if, for example,
|
756
|
// "/a/b" matches the start of "/*/b/*/d"
|
757
|
// Partial means, if you run out of file before you run
|
758
|
// out of pattern, then that's fine, as long as all
|
759
|
// the parts match.
|
760
|
Minimatch.prototype.matchOne = function (file, pattern, partial) {
|
761
|
var options = this.options
|
762
|
|
763
|
this.debug('matchOne',
|
764
|
{ 'this': this, file: file, pattern: pattern })
|
765
|
|
766
|
this.debug('matchOne', file.length, pattern.length)
|
767
|
|
768
|
for (var fi = 0,
|
769
|
pi = 0,
|
770
|
fl = file.length,
|
771
|
pl = pattern.length
|
772
|
; (fi < fl) && (pi < pl)
|
773
|
; fi++, pi++) {
|
774
|
this.debug('matchOne loop')
|
775
|
var p = pattern[pi]
|
776
|
var f = file[fi]
|
777
|
|
778
|
this.debug(pattern, p, f)
|
779
|
|
780
|
// should be impossible.
|
781
|
// some invalid regexp stuff in the set.
|
782
|
if (p === false) return false
|
783
|
|
784
|
if (p === GLOBSTAR) {
|
785
|
this.debug('GLOBSTAR', [pattern, p, f])
|
786
|
|
787
|
// "**"
|
788
|
// a/**/b/**/c would match the following:
|
789
|
// a/b/x/y/z/c
|
790
|
// a/x/y/z/b/c
|
791
|
// a/b/x/b/x/c
|
792
|
// a/b/c
|
793
|
// To do this, take the rest of the pattern after
|
794
|
// the **, and see if it would match the file remainder.
|
795
|
// If so, return success.
|
796
|
// If not, the ** "swallows" a segment, and try again.
|
797
|
// This is recursively awful.
|
798
|
//
|
799
|
// a/**/b/**/c matching a/b/x/y/z/c
|
800
|
// - a matches a
|
801
|
// - doublestar
|
802
|
// - matchOne(b/x/y/z/c, b/**/c)
|
803
|
// - b matches b
|
804
|
// - doublestar
|
805
|
// - matchOne(x/y/z/c, c) -> no
|
806
|
// - matchOne(y/z/c, c) -> no
|
807
|
// - matchOne(z/c, c) -> no
|
808
|
// - matchOne(c, c) yes, hit
|
809
|
var fr = fi
|
810
|
var pr = pi + 1
|
811
|
if (pr === pl) {
|
812
|
this.debug('** at the end')
|
813
|
// a ** at the end will just swallow the rest.
|
814
|
// We have found a match.
|
815
|
// however, it will not swallow /.x, unless
|
816
|
// options.dot is set.
|
817
|
// . and .. are *never* matched by **, for explosively
|
818
|
// exponential reasons.
|
819
|
for (; fi < fl; fi++) {
|
820
|
if (file[fi] === '.' || file[fi] === '..' ||
|
821
|
(!options.dot && file[fi].charAt(0) === '.')) return false
|
822
|
}
|
823
|
return true
|
824
|
}
|
825
|
|
826
|
// ok, let's see if we can swallow whatever we can.
|
827
|
while (fr < fl) {
|
828
|
var swallowee = file[fr]
|
829
|
|
830
|
this.debug('\nglobstar while', file, fr, pattern, pr, swallowee)
|
831
|
|
832
|
// XXX remove this slice. Just pass the start index.
|
833
|
if (this.matchOne(file.slice(fr), pattern.slice(pr), partial)) {
|
834
|
this.debug('globstar found match!', fr, fl, swallowee)
|
835
|
// found a match.
|
836
|
return true
|
837
|
} else {
|
838
|
// can't swallow "." or ".." ever.
|
839
|
// can only swallow ".foo" when explicitly asked.
|
840
|
if (swallowee === '.' || swallowee === '..' ||
|
841
|
(!options.dot && swallowee.charAt(0) === '.')) {
|
842
|
this.debug('dot detected!', file, fr, pattern, pr)
|
843
|
break
|
844
|
}
|
845
|
|
846
|
// ** swallows a segment, and continue.
|
847
|
this.debug('globstar swallow a segment, and continue')
|
848
|
fr++
|
849
|
}
|
850
|
}
|
851
|
|
852
|
// no match was found.
|
853
|
// However, in partial mode, we can't say this is necessarily over.
|
854
|
// If there's more *pattern* left, then
|
855
|
if (partial) {
|
856
|
// ran out of file
|
857
|
this.debug('\n>>> no match, partial?', file, fr, pattern, pr)
|
858
|
if (fr === fl) return true
|
859
|
}
|
860
|
return false
|
861
|
}
|
862
|
|
863
|
// something other than **
|
864
|
// non-magic patterns just have to match exactly
|
865
|
// patterns with magic have been turned into regexps.
|
866
|
var hit
|
867
|
if (typeof p === 'string') {
|
868
|
if (options.nocase) {
|
869
|
hit = f.toLowerCase() === p.toLowerCase()
|
870
|
} else {
|
871
|
hit = f === p
|
872
|
}
|
873
|
this.debug('string match', p, f, hit)
|
874
|
} else {
|
875
|
hit = f.match(p)
|
876
|
this.debug('pattern match', p, f, hit)
|
877
|
}
|
878
|
|
879
|
if (!hit) return false
|
880
|
}
|
881
|
|
882
|
// Note: ending in / means that we'll get a final ""
|
883
|
// at the end of the pattern. This can only match a
|
884
|
// corresponding "" at the end of the file.
|
885
|
// If the file ends in /, then it can only match a
|
886
|
// a pattern that ends in /, unless the pattern just
|
887
|
// doesn't have any more for it. But, a/b/ should *not*
|
888
|
// match "a/b/*", even though "" matches against the
|
889
|
// [^/]*? pattern, except in partial mode, where it might
|
890
|
// simply not be reached yet.
|
891
|
// However, a/b/ should still satisfy a/*
|
892
|
|
893
|
// now either we fell off the end of the pattern, or we're done.
|
894
|
if (fi === fl && pi === pl) {
|
895
|
// ran out of pattern and filename at the same time.
|
896
|
// an exact hit!
|
897
|
return true
|
898
|
} else if (fi === fl) {
|
899
|
// ran out of file, but still had pattern left.
|
900
|
// this is ok if we're doing the match as part of
|
901
|
// a glob fs traversal.
|
902
|
return partial
|
903
|
} else if (pi === pl) {
|
904
|
// ran out of pattern, still have file left.
|
905
|
// this is only acceptable if we're on the very last
|
906
|
// empty segment of a file with a trailing slash.
|
907
|
// a/* should match a/b/
|
908
|
var emptyFileEnd = (fi === fl - 1) && (file[fi] === '')
|
909
|
return emptyFileEnd
|
910
|
}
|
911
|
|
912
|
// should be unreachable.
|
913
|
throw new Error('wtf?')
|
914
|
}
|
915
|
|
916
|
// replace stuff like \* with *
|
917
|
function globUnescape (s) {
|
918
|
return s.replace(/\\(.)/g, '$1')
|
919
|
}
|
920
|
|
921
|
function regExpEscape (s) {
|
922
|
return s.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&')
|
923
|
}
|