1 files changed, 166 insertions, 0 deletions
diff --git a/deps/npm/node_modules/tar/lib/entry-writer.js b/deps/npm/node_modules/tar/lib/entry-writer.js
new file mode 100644
index 0000000000..b8a87ea131
--- /dev/null
+++ b/deps/npm/node_modules/tar/lib/entry-writer.js
@@ -0,0 +1,166 @@
+module.exports = EntryWriter
+
+var tar = require("../tar.js")
+  , TarHeader = require("./header.js")
+  , Entry = require("./entry.js")
+  , inherits = require("inherits")
+  , BlockStream = require("block-stream")
+  , ExtendedHeaderWriter
+  , Stream = require("stream").Stream
+  , EOF = {}
+
+inherits(EntryWriter, Stream)
+
+function EntryWriter (props) {
+  var me = this
+
+  if (!(me instanceof EntryWriter)) {
+    return new EntryWriter(props)
+  }
+
+  Stream.apply(this)
+
+  me.writable = true
+  me.readable = true
+
+  me._stream = new BlockStream(512)
+
+  me._stream.on("data", function (c) {
+    me.emit("data", c)
+  })
+
+  me._stream.on("drain", function () {
+    me.emit("drain")
+  })
+
+  me._stream.on("end", function () {
+    me.emit("end")
+    me.emit("close")
+  })
+
+  me.props = props
+  if (props.type === "Directory") {
+    props.size = 0
+  }
+  props.ustar = "ustar\0"
+  props.ustarver = "00"
+  me.path = props.path
+
+  me._buffer = []
+  me._didHeader = false
+  me._meta = false
+
+  me.on("pipe", function () {
+    me._process()
+  })
+}
+
+EntryWriter.prototype.write = function (c) {
+  // console.error(".. ew write")
+  if (this._ended) return this.emit("error", new Error("write after end"))
+  this._buffer.push(c)
+  this._process()
+  this._needDrain = this._buffer.length > 0
+  return !this._needDrain
+}
+
+EntryWriter.prototype.end = function (c) {
+  // console.error(".. ew end")
+  if (c) this._buffer.push(c)
+  this._buffer.push(EOF)
+  this._ended = true
+  this._process()
+  this._needDrain = this._buffer.length > 0
+}
+
+EntryWriter.prototype.pause = function () {
+  // console.error(".. ew pause")
+  this._paused = true
+  this.emit("pause")
+}
+
+EntryWriter.prototype.resume = function () {
+  // console.error(".. ew resume")
+  this._paused = false
+  this.emit("resume")
+  this._process()
+}
+
+EntryWriter.prototype.add = function (entry) {
+  // console.error(".. ew add")
+  if (!this.parent) return this.emit("error", new Error("no parent"))
+
+  // make sure that the _header and such is emitted, and clear out
+  // the _currentEntry link on the parent.
+  if (!this._ended) this.end()
+
+  return this.parent.add(entry)
+}
+
+EntryWriter.prototype._header = function () {
+  // console.error(".. ew header")
+  if (this._didHeader) return
+  this._didHeader = true
+
+  var headerBlock = TarHeader.encode(this.props)
+
+  if (this.props.needExtended && !this._meta) {
+    var me = this
+
+    ExtendedHeaderWriter = ExtendedHeaderWriter ||
+      require("./extended-header-writer.js")
+
+    ExtendedHeaderWriter(this.props)
+      .on("data", function (c) {
+        me.emit("data", c)
+      })
+      .end()
+  }
+
+  // console.error(".. .. ew headerBlock emitting")
+  this.emit("data", headerBlock)
+  this.emit("header")
+}
+
+EntryWriter.prototype._process = function () {
+  // console.error(".. .. ew process")
+  if (!this._didHeader && !this._meta) {
+    this._header()
+  }
+
+  if (this._paused || this._processing) {
+    // console.error(".. .. .. paused=%j, processing=%j", this._paused, this._processing)
+    return
+  }
+
+  this._processing = true
+
+  var buf = this._buffer
+  for (var i = 0; i < buf.length; i ++) {
+    // console.error(".. .. .. i=%d", i)
+
+    var c = buf[i]
+
+    if (c === EOF) this._stream.end()
+    else this._stream.write(c)
+
+    if (this._paused) {
+      // console.error(".. .. .. paused mid-emission")
+      this._processing = false
+      if (i < buf.length) {
+        this._needDrain = true
+        this._buffer = buf.slice(i + 1)
+      }
+      return
+    }
+  }
+
+  // console.error(".. .. .. emitted")
+  this._buffer.length = 0
+  this._processing = false
+
+  // console.error(".. .. .. emitting drain")
+  this.emit("drain")
+}
+
+EntryWriter.prototype.destroy = function () {}