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-rw-r--r--deps/npm/node_modules/node-gyp/node_modules/fstream/lib/dir-writer.js174
1 files changed, 174 insertions, 0 deletions
diff --git a/deps/npm/node_modules/node-gyp/node_modules/fstream/lib/dir-writer.js b/deps/npm/node_modules/node-gyp/node_modules/fstream/lib/dir-writer.js
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index 0000000000..ec50dca900
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+++ b/deps/npm/node_modules/node-gyp/node_modules/fstream/lib/dir-writer.js
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+// It is expected that, when .add() returns false, the consumer
+// of the DirWriter will pause until a "drain" event occurs. Note
+// that this is *almost always going to be the case*, unless the
+// thing being written is some sort of unsupported type, and thus
+// skipped over.
+
+module.exports = DirWriter
+
+var Writer = require('./writer.js')
+var inherits = require('inherits')
+var mkdir = require('mkdirp')
+var path = require('path')
+var collect = require('./collect.js')
+
+inherits(DirWriter, Writer)
+
+function DirWriter (props) {
+ var self = this
+ if (!(self instanceof DirWriter)) {
+ self.error('DirWriter must be called as constructor.', null, true)
+ }
+
+ // should already be established as a Directory type
+ if (props.type !== 'Directory' || !props.Directory) {
+ self.error('Non-directory type ' + props.type + ' ' +
+ JSON.stringify(props), null, true)
+ }
+
+ Writer.call(this, props)
+}
+
+DirWriter.prototype._create = function () {
+ var self = this
+ mkdir(self._path, Writer.dirmode, function (er) {
+ if (er) return self.error(er)
+ // ready to start getting entries!
+ self.ready = true
+ self.emit('ready')
+ self._process()
+ })
+}
+
+// a DirWriter has an add(entry) method, but its .write() doesn't
+// do anything. Why a no-op rather than a throw? Because this
+// leaves open the door for writing directory metadata for
+// gnu/solaris style dumpdirs.
+DirWriter.prototype.write = function () {
+ return true
+}
+
+DirWriter.prototype.end = function () {
+ this._ended = true
+ this._process()
+}
+
+DirWriter.prototype.add = function (entry) {
+ var self = this
+
+ // console.error('\tadd', entry._path, '->', self._path)
+ collect(entry)
+ if (!self.ready || self._currentEntry) {
+ self._buffer.push(entry)
+ return false
+ }
+
+ // create a new writer, and pipe the incoming entry into it.
+ if (self._ended) {
+ return self.error('add after end')
+ }
+
+ self._buffer.push(entry)
+ self._process()
+
+ return this._buffer.length === 0
+}
+
+DirWriter.prototype._process = function () {
+ var self = this
+
+ // console.error('DW Process p=%j', self._processing, self.basename)
+
+ if (self._processing) return
+
+ var entry = self._buffer.shift()
+ if (!entry) {
+ // console.error("DW Drain")
+ self.emit('drain')
+ if (self._ended) self._finish()
+ return
+ }
+
+ self._processing = true
+ // console.error("DW Entry", entry._path)
+
+ self.emit('entry', entry)
+
+ // ok, add this entry
+ //
+ // don't allow recursive copying
+ var p = entry
+ var pp
+ do {
+ pp = p._path || p.path
+ if (pp === self.root._path || pp === self._path ||
+ (pp && pp.indexOf(self._path) === 0)) {
+ // console.error('DW Exit (recursive)', entry.basename, self._path)
+ self._processing = false
+ if (entry._collected) entry.pipe()
+ return self._process()
+ }
+ p = p.parent
+ } while (p)
+
+ // console.error("DW not recursive")
+
+ // chop off the entry's root dir, replace with ours
+ var props = {
+ parent: self,
+ root: self.root || self,
+ type: entry.type,
+ depth: self.depth + 1
+ }
+
+ pp = entry._path || entry.path || entry.props.path
+ if (entry.parent) {
+ pp = pp.substr(entry.parent._path.length + 1)
+ }
+ // get rid of any ../../ shenanigans
+ props.path = path.join(self.path, path.join('/', pp))
+
+ // if i have a filter, the child should inherit it.
+ props.filter = self.filter
+
+ // all the rest of the stuff, copy over from the source.
+ Object.keys(entry.props).forEach(function (k) {
+ if (!props.hasOwnProperty(k)) {
+ props[k] = entry.props[k]
+ }
+ })
+
+ // not sure at this point what kind of writer this is.
+ var child = self._currentChild = new Writer(props)
+ child.on('ready', function () {
+ // console.error("DW Child Ready", child.type, child._path)
+ // console.error(" resuming", entry._path)
+ entry.pipe(child)
+ entry.resume()
+ })
+
+ // XXX Make this work in node.
+ // Long filenames should not break stuff.
+ child.on('error', function (er) {
+ if (child._swallowErrors) {
+ self.warn(er)
+ child.emit('end')
+ child.emit('close')
+ } else {
+ self.emit('error', er)
+ }
+ })
+
+ // we fire _end internally *after* end, so that we don't move on
+ // until any "end" listeners have had their chance to do stuff.
+ child.on('close', onend)
+ var ended = false
+ function onend () {
+ if (ended) return
+ ended = true
+ // console.error("* DW Child end", child.basename)
+ self._currentChild = null
+ self._processing = false
+ self._process()
+ }
+}