1 files changed, 220 insertions, 0 deletions
diff --git a/deps/npm/node_modules/node-gyp/node_modules/tar/lib/entry.js b/deps/npm/node_modules/node-gyp/node_modules/tar/lib/entry.js
new file mode 100644
index 0000000000..5f5dd3c268
--- /dev/null
+++ b/deps/npm/node_modules/node-gyp/node_modules/tar/lib/entry.js
@@ -0,0 +1,220 @@
+// A passthrough read/write stream that sets its properties
+// based on a header, extendedHeader, and globalHeader
+//
+// Can be either a file system object of some sort, or
+// a pax/ustar metadata entry.
+
+module.exports = Entry
+
+var TarHeader = require("./header.js")
+  , tar = require("../tar")
+  , assert = require("assert").ok
+  , Stream = require("stream").Stream
+  , inherits = require("inherits")
+  , fstream = require("fstream").Abstract
+
+function Entry (header, extended, global) {
+  Stream.call(this)
+  this.readable = true
+  this.writable = true
+
+  this._needDrain = false
+  this._paused = false
+  this._reading = false
+  this._ending = false
+  this._ended = false
+  this._remaining = 0
+  this._abort = false
+  this._queue = []
+  this._index = 0
+  this._queueLen = 0
+
+  this._read = this._read.bind(this)
+
+  this.props = {}
+  this._header = header
+  this._extended = extended || {}
+
+  // globals can change throughout the course of
+  // a file parse operation.  Freeze it at its current state.
+  this._global = {}
+  var me = this
+  Object.keys(global || {}).forEach(function (g) {
+    me._global[g] = global[g]
+  })
+
+  this._setProps()
+}
+
+inherits(Entry, Stream)
+
+Entry.prototype.write = function (c) {
+  if (this._ending) this.error("write() after end()", null, true)
+  if (this._remaining === 0) {
+    this.error("invalid bytes past eof")
+  }
+
+  // often we'll get a bunch of \0 at the end of the last write,
+  // since chunks will always be 512 bytes when reading a tarball.
+  if (c.length > this._remaining) {
+    c = c.slice(0, this._remaining)
+  }
+  this._remaining -= c.length
+
+  // put it on the stack.
+  var ql = this._queueLen
+  this._queue.push(c)
+  this._queueLen ++
+
+  this._read()
+
+  // either paused, or buffered
+  if (this._paused || ql > 0) {
+    this._needDrain = true
+    return false
+  }
+
+  return true
+}
+
+Entry.prototype.end = function (c) {
+  if (c) this.write(c)
+  this._ending = true
+  this._read()
+}
+
+Entry.prototype.pause = function () {
+  this._paused = true
+  this.emit("pause")
+}
+
+Entry.prototype.resume = function () {
+  // console.error("    Tar Entry resume", this.path)
+  this.emit("resume")
+  this._paused = false
+  this._read()
+  return this._queueLen - this._index > 1
+}
+
+  // This is bound to the instance
+Entry.prototype._read = function () {
+  // console.error("    Tar Entry _read", this.path)
+
+  if (this._paused || this._reading || this._ended) return
+
+  // set this flag so that event handlers don't inadvertently
+  // get multiple _read() calls running.
+  this._reading = true
+
+  // have any data to emit?
+  while (this._index < this._queueLen && !this._paused) {
+    var chunk = this._queue[this._index ++]
+    this.emit("data", chunk)
+  }
+
+  // check if we're drained
+  if (this._index >= this._queueLen) {
+    this._queue.length = this._queueLen = this._index = 0
+    if (this._needDrain) {
+      this._needDrain = false
+      this.emit("drain")
+    }
+    if (this._ending) {
+      this._ended = true
+      this.emit("end")
+    }
+  }
+
+  // if the queue gets too big, then pluck off whatever we can.
+  // this should be fairly rare.
+  var mql = this._maxQueueLen
+  if (this._queueLen > mql && this._index > 0) {
+    mql = Math.min(this._index, mql)
+    this._index -= mql
+    this._queueLen -= mql
+    this._queue = this._queue.slice(mql)
+  }
+
+  this._reading = false
+}
+
+Entry.prototype._setProps = function () {
+  // props = extended->global->header->{}
+  var header = this._header
+    , extended = this._extended
+    , global = this._global
+    , props = this.props
+
+  // first get the values from the normal header.
+  var fields = tar.fields
+  for (var f = 0; fields[f] !== null; f ++) {
+    var field = fields[f]
+      , val = header[field]
+    if (typeof val !== "undefined") props[field] = val
+  }
+
+  // next, the global header for this file.
+  // numeric values, etc, will have already been parsed.
+  ;[global, extended].forEach(function (p) {
+    Object.keys(p).forEach(function (f) {
+      if (typeof p[f] !== "undefined") props[f] = p[f]
+    })
+  })
+
+  // no nulls allowed in path or linkpath
+  ;["path", "linkpath"].forEach(function (p) {
+    if (props.hasOwnProperty(p)) {
+      props[p] = props[p].split("\0")[0]
+    }
+  })
+
+
+  // set date fields to be a proper date
+  ;["mtime", "ctime", "atime"].forEach(function (p) {
+    if (props.hasOwnProperty(p)) {
+      props[p] = new Date(props[p] * 1000)
+    }
+  })
+
+  // set the type so that we know what kind of file to create
+  var type
+  switch (tar.types[props.type]) {
+    case "OldFile":
+    case "ContiguousFile":
+      type = "File"
+      break
+
+    case "GNUDumpDir":
+      type = "Directory"
+      break
+
+    case undefined:
+      type = "Unknown"
+      break
+
+    case "Link":
+    case "SymbolicLink":
+    case "CharacterDevice":
+    case "BlockDevice":
+    case "Directory":
+    case "FIFO":
+    default:
+      type = tar.types[props.type]
+  }
+
+  this.type = type
+  this.path = props.path
+  this.size = props.size
+
+  // size is special, since it signals when the file needs to end.
+  this._remaining = props.size
+}
+
+// the parser may not call write if _abort is true.
+// useful for skipping data from some files quickly.
+Entry.prototype.abort = function(){
+  this._abort = true
+}
+
+Entry.prototype.warn = fstream.warn
+Entry.prototype.error = fstream.error