460 lines
11 KiB
JavaScript
460 lines
11 KiB
JavaScript
module.exports = globSync
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globSync.GlobSync = GlobSync
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var fs = require('fs')
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var minimatch = require('minimatch')
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var Minimatch = minimatch.Minimatch
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var Glob = require('./glob.js').Glob
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var util = require('util')
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var path = require('path')
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var assert = require('assert')
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var isAbsolute = require('path-is-absolute')
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var common = require('./common.js')
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var alphasort = common.alphasort
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var alphasorti = common.alphasorti
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var setopts = common.setopts
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var ownProp = common.ownProp
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var childrenIgnored = common.childrenIgnored
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function globSync (pattern, options) {
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if (typeof options === 'function' || arguments.length === 3)
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throw new TypeError('callback provided to sync glob\n'+
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'See: https://github.com/isaacs/node-glob/issues/167')
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return new GlobSync(pattern, options).found
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}
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function GlobSync (pattern, options) {
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if (!pattern)
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throw new Error('must provide pattern')
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if (typeof options === 'function' || arguments.length === 3)
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throw new TypeError('callback provided to sync glob\n'+
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'See: https://github.com/isaacs/node-glob/issues/167')
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if (!(this instanceof GlobSync))
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return new GlobSync(pattern, options)
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setopts(this, pattern, options)
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if (this.noprocess)
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return this
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var n = this.minimatch.set.length
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this.matches = new Array(n)
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for (var i = 0; i < n; i ++) {
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this._process(this.minimatch.set[i], i, false)
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}
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this._finish()
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}
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GlobSync.prototype._finish = function () {
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assert(this instanceof GlobSync)
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if (this.realpath) {
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var self = this
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this.matches.forEach(function (matchset, index) {
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var set = self.matches[index] = Object.create(null)
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for (var p in matchset) {
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try {
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p = self._makeAbs(p)
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var real = fs.realpathSync(p, self.realpathCache)
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set[real] = true
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} catch (er) {
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if (er.syscall === 'stat')
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set[self._makeAbs(p)] = true
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else
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throw er
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}
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}
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})
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}
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common.finish(this)
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}
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GlobSync.prototype._process = function (pattern, index, inGlobStar) {
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assert(this instanceof GlobSync)
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// Get the first [n] parts of pattern that are all strings.
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var n = 0
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while (typeof pattern[n] === 'string') {
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n ++
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}
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// now n is the index of the first one that is *not* a string.
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// See if there's anything else
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var prefix
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switch (n) {
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// if not, then this is rather simple
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case pattern.length:
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this._processSimple(pattern.join('/'), index)
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return
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case 0:
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// pattern *starts* with some non-trivial item.
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// going to readdir(cwd), but not include the prefix in matches.
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prefix = null
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break
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default:
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// pattern has some string bits in the front.
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// whatever it starts with, whether that's 'absolute' like /foo/bar,
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// or 'relative' like '../baz'
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prefix = pattern.slice(0, n).join('/')
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break
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}
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var remain = pattern.slice(n)
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// get the list of entries.
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var read
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if (prefix === null)
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read = '.'
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else if (isAbsolute(prefix) || isAbsolute(pattern.join('/'))) {
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if (!prefix || !isAbsolute(prefix))
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prefix = '/' + prefix
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read = prefix
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} else
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read = prefix
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var abs = this._makeAbs(read)
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//if ignored, skip processing
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if (childrenIgnored(this, read))
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return
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var isGlobStar = remain[0] === minimatch.GLOBSTAR
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if (isGlobStar)
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this._processGlobStar(prefix, read, abs, remain, index, inGlobStar)
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else
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this._processReaddir(prefix, read, abs, remain, index, inGlobStar)
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}
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GlobSync.prototype._processReaddir = function (prefix, read, abs, remain, index, inGlobStar) {
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var entries = this._readdir(abs, inGlobStar)
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// if the abs isn't a dir, then nothing can match!
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if (!entries)
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return
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// It will only match dot entries if it starts with a dot, or if
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// dot is set. Stuff like @(.foo|.bar) isn't allowed.
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var pn = remain[0]
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var negate = !!this.minimatch.negate
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var rawGlob = pn._glob
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var dotOk = this.dot || rawGlob.charAt(0) === '.'
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var matchedEntries = []
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for (var i = 0; i < entries.length; i++) {
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var e = entries[i]
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if (e.charAt(0) !== '.' || dotOk) {
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var m
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if (negate && !prefix) {
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m = !e.match(pn)
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} else {
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m = e.match(pn)
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}
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if (m)
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matchedEntries.push(e)
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}
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}
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var len = matchedEntries.length
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// If there are no matched entries, then nothing matches.
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if (len === 0)
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return
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// if this is the last remaining pattern bit, then no need for
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// an additional stat *unless* the user has specified mark or
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// stat explicitly. We know they exist, since readdir returned
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// them.
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if (remain.length === 1 && !this.mark && !this.stat) {
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if (!this.matches[index])
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this.matches[index] = Object.create(null)
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for (var i = 0; i < len; i ++) {
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var e = matchedEntries[i]
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if (prefix) {
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if (prefix.slice(-1) !== '/')
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e = prefix + '/' + e
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else
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e = prefix + e
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}
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if (e.charAt(0) === '/' && !this.nomount) {
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e = path.join(this.root, e)
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}
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this.matches[index][e] = true
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}
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// This was the last one, and no stats were needed
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return
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}
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// now test all matched entries as stand-ins for that part
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// of the pattern.
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remain.shift()
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for (var i = 0; i < len; i ++) {
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var e = matchedEntries[i]
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var newPattern
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if (prefix)
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newPattern = [prefix, e]
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else
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newPattern = [e]
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this._process(newPattern.concat(remain), index, inGlobStar)
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}
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}
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GlobSync.prototype._emitMatch = function (index, e) {
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var abs = this._makeAbs(e)
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if (this.mark)
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e = this._mark(e)
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if (this.matches[index][e])
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return
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if (this.nodir) {
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var c = this.cache[this._makeAbs(e)]
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if (c === 'DIR' || Array.isArray(c))
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return
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}
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this.matches[index][e] = true
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if (this.stat)
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this._stat(e)
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}
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GlobSync.prototype._readdirInGlobStar = function (abs) {
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// follow all symlinked directories forever
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// just proceed as if this is a non-globstar situation
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if (this.follow)
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return this._readdir(abs, false)
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var entries
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var lstat
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var stat
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try {
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lstat = fs.lstatSync(abs)
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} catch (er) {
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// lstat failed, doesn't exist
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return null
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}
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var isSym = lstat.isSymbolicLink()
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this.symlinks[abs] = isSym
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// If it's not a symlink or a dir, then it's definitely a regular file.
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// don't bother doing a readdir in that case.
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if (!isSym && !lstat.isDirectory())
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this.cache[abs] = 'FILE'
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else
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entries = this._readdir(abs, false)
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return entries
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}
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GlobSync.prototype._readdir = function (abs, inGlobStar) {
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var entries
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if (inGlobStar && !ownProp(this.symlinks, abs))
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return this._readdirInGlobStar(abs)
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if (ownProp(this.cache, abs)) {
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var c = this.cache[abs]
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if (!c || c === 'FILE')
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return null
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if (Array.isArray(c))
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return c
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}
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try {
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return this._readdirEntries(abs, fs.readdirSync(abs))
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} catch (er) {
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this._readdirError(abs, er)
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return null
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}
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}
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GlobSync.prototype._readdirEntries = function (abs, entries) {
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// if we haven't asked to stat everything, then just
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// assume that everything in there exists, so we can avoid
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// having to stat it a second time.
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if (!this.mark && !this.stat) {
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for (var i = 0; i < entries.length; i ++) {
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var e = entries[i]
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if (abs === '/')
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e = abs + e
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else
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e = abs + '/' + e
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this.cache[e] = true
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}
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}
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this.cache[abs] = entries
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// mark and cache dir-ness
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return entries
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}
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GlobSync.prototype._readdirError = function (f, er) {
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// handle errors, and cache the information
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switch (er.code) {
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case 'ENOTSUP': // https://github.com/isaacs/node-glob/issues/205
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case 'ENOTDIR': // totally normal. means it *does* exist.
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this.cache[this._makeAbs(f)] = 'FILE'
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break
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case 'ENOENT': // not terribly unusual
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case 'ELOOP':
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case 'ENAMETOOLONG':
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case 'UNKNOWN':
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this.cache[this._makeAbs(f)] = false
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break
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default: // some unusual error. Treat as failure.
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this.cache[this._makeAbs(f)] = false
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if (this.strict)
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throw er
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if (!this.silent)
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console.error('glob error', er)
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break
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}
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}
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GlobSync.prototype._processGlobStar = function (prefix, read, abs, remain, index, inGlobStar) {
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var entries = this._readdir(abs, inGlobStar)
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// no entries means not a dir, so it can never have matches
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// foo.txt/** doesn't match foo.txt
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if (!entries)
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return
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// test without the globstar, and with every child both below
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// and replacing the globstar.
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var remainWithoutGlobStar = remain.slice(1)
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var gspref = prefix ? [ prefix ] : []
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var noGlobStar = gspref.concat(remainWithoutGlobStar)
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// the noGlobStar pattern exits the inGlobStar state
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this._process(noGlobStar, index, false)
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var len = entries.length
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var isSym = this.symlinks[abs]
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// If it's a symlink, and we're in a globstar, then stop
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if (isSym && inGlobStar)
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return
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for (var i = 0; i < len; i++) {
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var e = entries[i]
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if (e.charAt(0) === '.' && !this.dot)
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continue
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// these two cases enter the inGlobStar state
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var instead = gspref.concat(entries[i], remainWithoutGlobStar)
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this._process(instead, index, true)
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var below = gspref.concat(entries[i], remain)
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this._process(below, index, true)
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}
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}
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GlobSync.prototype._processSimple = function (prefix, index) {
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// XXX review this. Shouldn't it be doing the mounting etc
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// before doing stat? kinda weird?
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var exists = this._stat(prefix)
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if (!this.matches[index])
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this.matches[index] = Object.create(null)
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// If it doesn't exist, then just mark the lack of results
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if (!exists)
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return
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if (prefix && isAbsolute(prefix) && !this.nomount) {
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var trail = /[\/\\]$/.test(prefix)
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if (prefix.charAt(0) === '/') {
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prefix = path.join(this.root, prefix)
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} else {
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prefix = path.resolve(this.root, prefix)
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if (trail)
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prefix += '/'
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}
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}
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if (process.platform === 'win32')
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prefix = prefix.replace(/\\/g, '/')
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// Mark this as a match
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this.matches[index][prefix] = true
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}
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// Returns either 'DIR', 'FILE', or false
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GlobSync.prototype._stat = function (f) {
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var abs = this._makeAbs(f)
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var needDir = f.slice(-1) === '/'
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if (f.length > this.maxLength)
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return false
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if (!this.stat && ownProp(this.cache, abs)) {
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var c = this.cache[abs]
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if (Array.isArray(c))
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c = 'DIR'
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// It exists, but maybe not how we need it
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if (!needDir || c === 'DIR')
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return c
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if (needDir && c === 'FILE')
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return false
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// otherwise we have to stat, because maybe c=true
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// if we know it exists, but not what it is.
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}
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var exists
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var stat = this.statCache[abs]
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if (!stat) {
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var lstat
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try {
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lstat = fs.lstatSync(abs)
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} catch (er) {
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return false
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}
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if (lstat.isSymbolicLink()) {
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try {
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stat = fs.statSync(abs)
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} catch (er) {
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stat = lstat
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}
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} else {
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stat = lstat
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}
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}
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this.statCache[abs] = stat
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var c = stat.isDirectory() ? 'DIR' : 'FILE'
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this.cache[abs] = this.cache[abs] || c
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if (needDir && c !== 'DIR')
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return false
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return c
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}
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GlobSync.prototype._mark = function (p) {
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return common.mark(this, p)
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}
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GlobSync.prototype._makeAbs = function (f) {
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return common.makeAbs(this, f)
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}
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