Commit node_modules.

For @billywhizz :)

And cause it's just an all around good idea for command-line apps.

node_modules/tar/lib/extended-header.js

@@ -0,0 +1,139 @@
+// An Entry consisting of:
+//
+// "%d %s=%s\n", <length>, <keyword>, <value>
+//
+// The length is a decimal number, and includes itself and the \n
+// \0 does not terminate anything.  Only the length terminates the string.
+// Numeric values are decimal strings.
+
+module.exports = ExtendedHeader
+
+var Entry = require("./entry.js")
+  , inherits = require("inherits")
+  , tar = require("../tar.js")
+  , numeric = tar.numeric
+  , keyTrans = { "SCHILY.dev": "dev"
+               , "SCHILY.ino": "ino"
+               , "SCHILY.nlink": "nlink" }
+
+function ExtendedHeader () {
+  Entry.apply(this, arguments)
+  this.on("data", this._parse)
+  this.fields = {}
+  this._position = 0
+  this._fieldPos = 0
+  this._state = SIZE
+  this._sizeBuf = []
+  this._keyBuf = []
+  this._valBuf = []
+  this._size = -1
+  this._key = ""
+}
+
+inherits(ExtendedHeader, Entry, { _parse: parse })
+
+var s = 0
+  , states = ExtendedHeader.states = {}
+  , SIZE = states.SIZE = s++
+  , KEY  = states.KEY  = s++
+  , VAL  = states.VAL  = s++
+  , ERR  = states.ERR  = s++
+
+Object.keys(states).forEach(function (s) {
+  states[states[s]] = states[s]
+})
+
+states[s] = null
+
+// char code values for comparison
+var _0 = "0".charCodeAt(0)
+  , _9 = "9".charCodeAt(0)
+  , point = ".".charCodeAt(0)
+  , a = "a".charCodeAt(0)
+  , Z = "Z".charCodeAt(0)
+  , a = "a".charCodeAt(0)
+  , z = "z".charCodeAt(0)
+  , space = " ".charCodeAt(0)
+  , eq = "=".charCodeAt(0)
+  , cr = "\n".charCodeAt(0)
+
+function parse (c) {
+  if (this._state === ERR) return
+
+  for ( var i = 0, l = c.length
+      ; i < l
+      ; this._position++, this._fieldPos++, i++) {
+    // console.error("top of loop, size="+this._size)
+
+    var b = c[i]
+
+    if (this._size >= 0 && this._fieldPos > this._size) {
+      error(this, "field exceeds length="+this._size)
+      return
+    }
+
+    switch (this._state) {
+      case ERR: return
+
+      case SIZE:
+        // console.error("parsing size, b=%d, rest=%j", b, c.slice(i).toString())
+        if (b === space) {
+          this._state = KEY
+          // this._fieldPos = this._sizeBuf.length
+          this._size = parseInt(new Buffer(this._sizeBuf).toString(), 10)
+          this._sizeBuf.length = 0
+          continue
+        }
+        if (b < _0 || b > _9) {
+          error(this, "expected [" + _0 + ".." + _9 + "], got " + b)
+          return
+        }
+        this._sizeBuf.push(b)
+        continue
+
+      case KEY:
+        // can be any char except =, not > size.
+        if (b === eq) {
+          this._state = VAL
+          this._key = new Buffer(this._keyBuf).toString()
+          if (keyTrans[this._key]) this._key = keyTrans[this._key]
+          this._keyBuf.length = 0
+          continue
+        }
+        this._keyBuf.push(b)
+        continue
+
+      case VAL:
+        // field must end with cr
+        if (this._fieldPos === this._size - 1) {
+          // console.error("finished with "+this._key)
+          if (b !== cr) {
+            error(this, "expected \\n at end of field")
+            return
+          }
+          var val = new Buffer(this._valBuf).toString()
+          if (numeric[this._key]) {
+            val = parseFloat(val)
+          }
+          this.fields[this._key] = val
+
+          this._valBuf.length = 0
+          this._state = SIZE
+          this._size = -1
+          this._fieldPos = -1
+          continue
+        }
+        this._valBuf.push(b)
+        continue
+    }
+  }
+}
+
+function error (me, msg) {
+  msg = "invalid header: " + msg
+      + "\nposition=" + me._position
+      + "\nfield position=" + me._fieldPos
+
+  me.error(msg)
+  me.state = ERR
+}