From d5cf2c88ffcf66eb883b1d7a0bf772b93da06c09 Mon Sep 17 00:00:00 2001 From: DadaMonad Date: Thu, 12 Feb 2015 16:43:51 +0000 Subject: [PATCH] init :octocat: --- .gitignore | 2 + build/browser/test.html | 12 + build/browser/y-webrtc.js | 10959 ++++++++++++++++++++++++++++++++++++ build/node/y-webrtc.js | 66 + gulpfile.coffee | 56 + lib/y-webrtc.js | 88 + package.json | 39 + test.html | 12 + y-webrtc.js | 5 + 9 files changed, 11239 insertions(+) create mode 100644 .gitignore create mode 100644 build/browser/test.html create mode 100644 build/browser/y-webrtc.js create mode 100644 build/node/y-webrtc.js create mode 100644 gulpfile.coffee create mode 100644 lib/y-webrtc.js create mode 100644 package.json create mode 100644 test.html create mode 100644 y-webrtc.js diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..a56a7ef --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +node_modules + diff --git a/build/browser/test.html b/build/browser/test.html new file mode 100644 index 0000000..75306b0 --- /dev/null +++ b/build/browser/test.html @@ -0,0 +1,12 @@ + + + + + + + + + + \ No newline at end of file diff --git a/build/browser/y-webrtc.js b/build/browser/y-webrtc.js new file mode 100644 index 0000000..84ac90d --- /dev/null +++ b/build/browser/y-webrtc.js @@ -0,0 +1,10959 @@ +(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o + * @license MIT + */ + +var base64 = require('base64-js') +var ieee754 = require('ieee754') + +exports.Buffer = Buffer +exports.SlowBuffer = Buffer +exports.INSPECT_MAX_BYTES = 50 +Buffer.poolSize = 8192 + +/** + * If `Buffer._useTypedArrays`: + * === true Use Uint8Array implementation (fastest) + * === false Use Object implementation (compatible down to IE6) + */ +Buffer._useTypedArrays = (function () { + // Detect if browser supports Typed Arrays. Supported browsers are IE 10+, Firefox 4+, + // Chrome 7+, Safari 5.1+, Opera 11.6+, iOS 4.2+. If the browser does not support adding + // properties to `Uint8Array` instances, then that's the same as no `Uint8Array` support + // because we need to be able to add all the node Buffer API methods. This is an issue + // in Firefox 4-29. Now fixed: https://bugzilla.mozilla.org/show_bug.cgi?id=695438 + try { + var buf = new ArrayBuffer(0) + var arr = new Uint8Array(buf) + arr.foo = function () { return 42 } + return 42 === arr.foo() && + typeof arr.subarray === 'function' // Chrome 9-10 lack `subarray` + } catch (e) { + return false + } +})() + +/** + * Class: Buffer + * ============= + * + * The Buffer constructor returns instances of `Uint8Array` that are augmented + * with function properties for all the node `Buffer` API functions. We use + * `Uint8Array` so that square bracket notation works as expected -- it returns + * a single octet. + * + * By augmenting the instances, we can avoid modifying the `Uint8Array` + * prototype. + */ +function Buffer (subject, encoding, noZero) { + if (!(this instanceof Buffer)) + return new Buffer(subject, encoding, noZero) + + var type = typeof subject + + // Workaround: node's base64 implementation allows for non-padded strings + // while base64-js does not. + if (encoding === 'base64' && type === 'string') { + subject = stringtrim(subject) + while (subject.length % 4 !== 0) { + subject = subject + '=' + } + } + + // Find the length + var length + if (type === 'number') + length = coerce(subject) + else if (type === 'string') + length = Buffer.byteLength(subject, encoding) + else if (type === 'object') + length = coerce(subject.length) // assume that object is array-like + else + throw new Error('First argument needs to be a number, array or string.') + + var buf + if (Buffer._useTypedArrays) { + // Preferred: Return an augmented `Uint8Array` instance for best performance + buf = Buffer._augment(new Uint8Array(length)) + } else { + // Fallback: Return THIS instance of Buffer (created by `new`) + buf = this + buf.length = length + buf._isBuffer = true + } + + var i + if (Buffer._useTypedArrays && typeof subject.byteLength === 'number') { + // Speed optimization -- use set if we're copying from a typed array + buf._set(subject) + } else if (isArrayish(subject)) { + // Treat array-ish objects as a byte array + for (i = 0; i < length; i++) { + if (Buffer.isBuffer(subject)) + buf[i] = subject.readUInt8(i) + else + buf[i] = subject[i] + } + } else if (type === 'string') { + buf.write(subject, 0, encoding) + } else if (type === 'number' && !Buffer._useTypedArrays && !noZero) { + for (i = 0; i < length; i++) { + buf[i] = 0 + } + } + + return buf +} + +// STATIC METHODS +// ============== + +Buffer.isEncoding = function (encoding) { + switch (String(encoding).toLowerCase()) { + case 'hex': + case 'utf8': + case 'utf-8': + case 'ascii': + case 'binary': + case 'base64': + case 'raw': + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return true + default: + return false + } +} + +Buffer.isBuffer = function (b) { + return !!(b !== null && b !== undefined && b._isBuffer) +} + +Buffer.byteLength = function (str, encoding) { + var ret + str = str + '' + switch (encoding || 'utf8') { + case 'hex': + ret = str.length / 2 + break + case 'utf8': + case 'utf-8': + ret = utf8ToBytes(str).length + break + case 'ascii': + case 'binary': + case 'raw': + ret = str.length + break + case 'base64': + ret = base64ToBytes(str).length + break + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + ret = str.length * 2 + break + default: + throw new Error('Unknown encoding') + } + return ret +} + +Buffer.concat = function (list, totalLength) { + assert(isArray(list), 'Usage: Buffer.concat(list, [totalLength])\n' + + 'list should be an Array.') + + if (list.length === 0) { + return new Buffer(0) + } else if (list.length === 1) { + return list[0] + } + + var i + if (typeof totalLength !== 'number') { + totalLength = 0 + for (i = 0; i < list.length; i++) { + totalLength += list[i].length + } + } + + var buf = new Buffer(totalLength) + var pos = 0 + for (i = 0; i < list.length; i++) { + var item = list[i] + item.copy(buf, pos) + pos += item.length + } + return buf +} + +// BUFFER INSTANCE METHODS +// ======================= + +function _hexWrite (buf, string, offset, length) { + offset = Number(offset) || 0 + var remaining = buf.length - offset + if (!length) { + length = remaining + } else { + length = Number(length) + if (length > remaining) { + length = remaining + } + } + + // must be an even number of digits + var strLen = string.length + assert(strLen % 2 === 0, 'Invalid hex string') + + if (length > strLen / 2) { + length = strLen / 2 + } + for (var i = 0; i < length; i++) { + var byte = parseInt(string.substr(i * 2, 2), 16) + assert(!isNaN(byte), 'Invalid hex string') + buf[offset + i] = byte + } + Buffer._charsWritten = i * 2 + return i +} + +function _utf8Write (buf, string, offset, length) { + var charsWritten = Buffer._charsWritten = + blitBuffer(utf8ToBytes(string), buf, offset, length) + return charsWritten +} + +function _asciiWrite (buf, string, offset, length) { + var charsWritten = Buffer._charsWritten = + blitBuffer(asciiToBytes(string), buf, offset, length) + return charsWritten +} + +function _binaryWrite (buf, string, offset, length) { + return _asciiWrite(buf, string, offset, length) +} + +function _base64Write (buf, string, offset, length) { + var charsWritten = Buffer._charsWritten = + blitBuffer(base64ToBytes(string), buf, offset, length) + return charsWritten +} + +function _utf16leWrite (buf, string, offset, length) { + var charsWritten = Buffer._charsWritten = + blitBuffer(utf16leToBytes(string), buf, offset, length) + return charsWritten +} + +Buffer.prototype.write = function (string, offset, length, encoding) { + // Support both (string, offset, length, encoding) + // and the legacy (string, encoding, offset, length) + if (isFinite(offset)) { + if (!isFinite(length)) { + encoding = length + length = undefined + } + } else { // legacy + var swap = encoding + encoding = offset + offset = length + length = swap + } + + offset = Number(offset) || 0 + var remaining = this.length - offset + if (!length) { + length = remaining + } else { + length = Number(length) + if (length > remaining) { + length = remaining + } + } + encoding = String(encoding || 'utf8').toLowerCase() + + var ret + switch (encoding) { + case 'hex': + ret = _hexWrite(this, string, offset, length) + break + case 'utf8': + case 'utf-8': + ret = _utf8Write(this, string, offset, length) + break + case 'ascii': + ret = _asciiWrite(this, string, offset, length) + break + case 'binary': + ret = _binaryWrite(this, string, offset, length) + break + case 'base64': + ret = _base64Write(this, string, offset, length) + break + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + ret = _utf16leWrite(this, string, offset, length) + break + default: + throw new Error('Unknown encoding') + } + return ret +} + +Buffer.prototype.toString = function (encoding, start, end) { + var self = this + + encoding = String(encoding || 'utf8').toLowerCase() + start = Number(start) || 0 + end = (end !== undefined) + ? Number(end) + : end = self.length + + // Fastpath empty strings + if (end === start) + return '' + + var ret + switch (encoding) { + case 'hex': + ret = _hexSlice(self, start, end) + break + case 'utf8': + case 'utf-8': + ret = _utf8Slice(self, start, end) + break + case 'ascii': + ret = _asciiSlice(self, start, end) + break + case 'binary': + ret = _binarySlice(self, start, end) + break + case 'base64': + ret = _base64Slice(self, start, end) + break + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + ret = _utf16leSlice(self, start, end) + break + default: + throw new Error('Unknown encoding') + } + return ret +} + +Buffer.prototype.toJSON = function () { + return { + type: 'Buffer', + data: Array.prototype.slice.call(this._arr || this, 0) + } +} + +// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length) +Buffer.prototype.copy = function (target, target_start, start, end) { + var source = this + + if (!start) start = 0 + if (!end && end !== 0) end = this.length + if (!target_start) target_start = 0 + + // Copy 0 bytes; we're done + if (end === start) return + if (target.length === 0 || source.length === 0) return + + // Fatal error conditions + assert(end >= start, 'sourceEnd < sourceStart') + assert(target_start >= 0 && target_start < target.length, + 'targetStart out of bounds') + assert(start >= 0 && start < source.length, 'sourceStart out of bounds') + assert(end >= 0 && end <= source.length, 'sourceEnd out of bounds') + + // Are we oob? + if (end > this.length) + end = this.length + if (target.length - target_start < end - start) + end = target.length - target_start + start + + var len = end - start + + if (len < 100 || !Buffer._useTypedArrays) { + for (var i = 0; i < len; i++) + target[i + target_start] = this[i + start] + } else { + target._set(this.subarray(start, start + len), target_start) + } +} + +function _base64Slice (buf, start, end) { + if (start === 0 && end === buf.length) { + return base64.fromByteArray(buf) + } else { + return base64.fromByteArray(buf.slice(start, end)) + } +} + +function _utf8Slice (buf, start, end) { + var res = '' + var tmp = '' + end = Math.min(buf.length, end) + + for (var i = start; i < end; i++) { + if (buf[i] <= 0x7F) { + res += decodeUtf8Char(tmp) + String.fromCharCode(buf[i]) + tmp = '' + } else { + tmp += '%' + buf[i].toString(16) + } + } + + return res + decodeUtf8Char(tmp) +} + +function _asciiSlice (buf, start, end) { + var ret = '' + end = Math.min(buf.length, end) + + for (var i = start; i < end; i++) + ret += String.fromCharCode(buf[i]) + return ret +} + +function _binarySlice (buf, start, end) { + return _asciiSlice(buf, start, end) +} + +function _hexSlice (buf, start, end) { + var len = buf.length + + if (!start || start < 0) start = 0 + if (!end || end < 0 || end > len) end = len + + var out = '' + for (var i = start; i < end; i++) { + out += toHex(buf[i]) + } + return out +} + +function _utf16leSlice (buf, start, end) { + var bytes = buf.slice(start, end) + var res = '' + for (var i = 0; i < bytes.length; i += 2) { + res += String.fromCharCode(bytes[i] + bytes[i+1] * 256) + } + return res +} + +Buffer.prototype.slice = function (start, end) { + var len = this.length + start = clamp(start, len, 0) + end = clamp(end, len, len) + + if (Buffer._useTypedArrays) { + return Buffer._augment(this.subarray(start, end)) + } else { + var sliceLen = end - start + var newBuf = new Buffer(sliceLen, undefined, true) + for (var i = 0; i < sliceLen; i++) { + newBuf[i] = this[i + start] + } + return newBuf + } +} + +// `get` will be removed in Node 0.13+ +Buffer.prototype.get = function (offset) { + console.log('.get() is deprecated. Access using array indexes instead.') + return this.readUInt8(offset) +} + +// `set` will be removed in Node 0.13+ +Buffer.prototype.set = function (v, offset) { + console.log('.set() is deprecated. Access using array indexes instead.') + return this.writeUInt8(v, offset) +} + +Buffer.prototype.readUInt8 = function (offset, noAssert) { + if (!noAssert) { + assert(offset !== undefined && offset !== null, 'missing offset') + assert(offset < this.length, 'Trying to read beyond buffer length') + } + + if (offset >= this.length) + return + + return this[offset] +} + +function _readUInt16 (buf, offset, littleEndian, noAssert) { + if (!noAssert) { + assert(typeof littleEndian === 'boolean', 'missing or invalid endian') + assert(offset !== undefined && offset !== null, 'missing offset') + assert(offset + 1 < buf.length, 'Trying to read beyond buffer length') + } + + var len = buf.length + if (offset >= len) + return + + var val + if (littleEndian) { + val = buf[offset] + if (offset + 1 < len) + val |= buf[offset + 1] << 8 + } else { + val = buf[offset] << 8 + if (offset + 1 < len) + val |= buf[offset + 1] + } + return val +} + +Buffer.prototype.readUInt16LE = function (offset, noAssert) { + return _readUInt16(this, offset, true, noAssert) +} + +Buffer.prototype.readUInt16BE = function (offset, noAssert) { + return _readUInt16(this, offset, false, noAssert) +} + +function _readUInt32 (buf, offset, littleEndian, noAssert) { + if (!noAssert) { + assert(typeof littleEndian === 'boolean', 'missing or invalid endian') + assert(offset !== undefined && offset !== null, 'missing offset') + assert(offset + 3 < buf.length, 'Trying to read beyond buffer length') + } + + var len = buf.length + if (offset >= len) + return + + var val + if (littleEndian) { + if (offset + 2 < len) + val = buf[offset + 2] << 16 + if (offset + 1 < len) + val |= buf[offset + 1] << 8 + val |= buf[offset] + if (offset + 3 < len) + val = val + (buf[offset + 3] << 24 >>> 0) + } else { + if (offset + 1 < len) + val = buf[offset + 1] << 16 + if (offset + 2 < len) + val |= buf[offset + 2] << 8 + if (offset + 3 < len) + val |= buf[offset + 3] + val = val + (buf[offset] << 24 >>> 0) + } + return val +} + +Buffer.prototype.readUInt32LE = function (offset, noAssert) { + return _readUInt32(this, offset, true, noAssert) +} + +Buffer.prototype.readUInt32BE = function (offset, noAssert) { + return _readUInt32(this, offset, false, noAssert) +} + +Buffer.prototype.readInt8 = function (offset, noAssert) { + if (!noAssert) { + assert(offset !== undefined && offset !== null, + 'missing offset') + assert(offset < this.length, 'Trying to read beyond buffer length') + } + + if (offset >= this.length) + return + + var neg = this[offset] & 0x80 + if (neg) + return (0xff - this[offset] + 1) * -1 + else + return this[offset] +} + +function _readInt16 (buf, offset, littleEndian, noAssert) { + if (!noAssert) { + assert(typeof littleEndian === 'boolean', 'missing or invalid endian') + assert(offset !== undefined && offset !== null, 'missing offset') + assert(offset + 1 < buf.length, 'Trying to read beyond buffer length') + } + + var len = buf.length + if (offset >= len) + return + + var val = _readUInt16(buf, offset, littleEndian, true) + var neg = val & 0x8000 + if (neg) + return (0xffff - val + 1) * -1 + else + return val +} + +Buffer.prototype.readInt16LE = function (offset, noAssert) { + return _readInt16(this, offset, true, noAssert) +} + +Buffer.prototype.readInt16BE = function (offset, noAssert) { + return _readInt16(this, offset, false, noAssert) +} + +function _readInt32 (buf, offset, littleEndian, noAssert) { + if (!noAssert) { + assert(typeof littleEndian === 'boolean', 'missing or invalid endian') + assert(offset !== undefined && offset !== null, 'missing offset') + assert(offset + 3 < buf.length, 'Trying to read beyond buffer length') + } + + var len = buf.length + if (offset >= len) + return + + var val = _readUInt32(buf, offset, littleEndian, true) + var neg = val & 0x80000000 + if (neg) + return (0xffffffff - val + 1) * -1 + else + return val +} + +Buffer.prototype.readInt32LE = function (offset, noAssert) { + return _readInt32(this, offset, true, noAssert) +} + +Buffer.prototype.readInt32BE = function (offset, noAssert) { + return _readInt32(this, offset, false, noAssert) +} + +function _readFloat (buf, offset, littleEndian, noAssert) { + if (!noAssert) { + assert(typeof littleEndian === 'boolean', 'missing or invalid endian') + assert(offset + 3 < buf.length, 'Trying to read beyond buffer length') + } + + return ieee754.read(buf, offset, littleEndian, 23, 4) +} + +Buffer.prototype.readFloatLE = function (offset, noAssert) { + return _readFloat(this, offset, true, noAssert) +} + +Buffer.prototype.readFloatBE = function (offset, noAssert) { + return _readFloat(this, offset, false, noAssert) +} + +function _readDouble (buf, offset, littleEndian, noAssert) { + if (!noAssert) { + assert(typeof littleEndian === 'boolean', 'missing or invalid endian') + assert(offset + 7 < buf.length, 'Trying to read beyond buffer length') + } + + return ieee754.read(buf, offset, littleEndian, 52, 8) +} + +Buffer.prototype.readDoubleLE = function (offset, noAssert) { + return _readDouble(this, offset, true, noAssert) +} + +Buffer.prototype.readDoubleBE = function (offset, noAssert) { + return _readDouble(this, offset, false, noAssert) +} + +Buffer.prototype.writeUInt8 = function (value, offset, noAssert) { + if (!noAssert) { + assert(value !== undefined && value !== null, 'missing value') + assert(offset !== undefined && offset !== null, 'missing offset') + assert(offset < this.length, 'trying to write beyond buffer length') + verifuint(value, 0xff) + } + + if (offset >= this.length) return + + this[offset] = value +} + +function _writeUInt16 (buf, value, offset, littleEndian, noAssert) { + if (!noAssert) { + assert(value !== undefined && value !== null, 'missing value') + assert(typeof littleEndian === 'boolean', 'missing or invalid endian') + assert(offset !== undefined && offset !== null, 'missing offset') + assert(offset + 1 < buf.length, 'trying to write beyond buffer length') + verifuint(value, 0xffff) + } + + var len = buf.length + if (offset >= len) + return + + for (var i = 0, j = Math.min(len - offset, 2); i < j; i++) { + buf[offset + i] = + (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>> + (littleEndian ? i : 1 - i) * 8 + } +} + +Buffer.prototype.writeUInt16LE = function (value, offset, noAssert) { + _writeUInt16(this, value, offset, true, noAssert) +} + +Buffer.prototype.writeUInt16BE = function (value, offset, noAssert) { + _writeUInt16(this, value, offset, false, noAssert) +} + +function _writeUInt32 (buf, value, offset, littleEndian, noAssert) { + if (!noAssert) { + assert(value !== undefined && value !== null, 'missing value') + assert(typeof littleEndian === 'boolean', 'missing or invalid endian') + assert(offset !== undefined && offset !== null, 'missing offset') + assert(offset + 3 < buf.length, 'trying to write beyond buffer length') + verifuint(value, 0xffffffff) + } + + var len = buf.length + if (offset >= len) + return + + for (var i = 0, j = Math.min(len - offset, 4); i < j; i++) { + buf[offset + i] = + (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff + } +} + +Buffer.prototype.writeUInt32LE = function (value, offset, noAssert) { + _writeUInt32(this, value, offset, true, noAssert) +} + +Buffer.prototype.writeUInt32BE = function (value, offset, noAssert) { + _writeUInt32(this, value, offset, false, noAssert) +} + +Buffer.prototype.writeInt8 = function (value, offset, noAssert) { + if (!noAssert) { + assert(value !== undefined && value !== null, 'missing value') + assert(offset !== undefined && offset !== null, 'missing offset') + assert(offset < this.length, 'Trying to write beyond buffer length') + verifsint(value, 0x7f, -0x80) + } + + if (offset >= this.length) + return + + if (value >= 0) + this.writeUInt8(value, offset, noAssert) + else + this.writeUInt8(0xff + value + 1, offset, noAssert) +} + +function _writeInt16 (buf, value, offset, littleEndian, noAssert) { + if (!noAssert) { + assert(value !== undefined && value !== null, 'missing value') + assert(typeof littleEndian === 'boolean', 'missing or invalid endian') + assert(offset !== undefined && offset !== null, 'missing offset') + assert(offset + 1 < buf.length, 'Trying to write beyond buffer length') + verifsint(value, 0x7fff, -0x8000) + } + + var len = buf.length + if (offset >= len) + return + + if (value >= 0) + _writeUInt16(buf, value, offset, littleEndian, noAssert) + else + _writeUInt16(buf, 0xffff + value + 1, offset, littleEndian, noAssert) +} + +Buffer.prototype.writeInt16LE = function (value, offset, noAssert) { + _writeInt16(this, value, offset, true, noAssert) +} + +Buffer.prototype.writeInt16BE = function (value, offset, noAssert) { + _writeInt16(this, value, offset, false, noAssert) +} + +function _writeInt32 (buf, value, offset, littleEndian, noAssert) { + if (!noAssert) { + assert(value !== undefined && value !== null, 'missing value') + assert(typeof littleEndian === 'boolean', 'missing or invalid endian') + assert(offset !== undefined && offset !== null, 'missing offset') + assert(offset + 3 < buf.length, 'Trying to write beyond buffer length') + verifsint(value, 0x7fffffff, -0x80000000) + } + + var len = buf.length + if (offset >= len) + return + + if (value >= 0) + _writeUInt32(buf, value, offset, littleEndian, noAssert) + else + _writeUInt32(buf, 0xffffffff + value + 1, offset, littleEndian, noAssert) +} + +Buffer.prototype.writeInt32LE = function (value, offset, noAssert) { + _writeInt32(this, value, offset, true, noAssert) +} + +Buffer.prototype.writeInt32BE = function (value, offset, noAssert) { + _writeInt32(this, value, offset, false, noAssert) +} + +function _writeFloat (buf, value, offset, littleEndian, noAssert) { + if (!noAssert) { + assert(value !== undefined && value !== null, 'missing value') + assert(typeof littleEndian === 'boolean', 'missing or invalid endian') + assert(offset !== undefined && offset !== null, 'missing offset') + assert(offset + 3 < buf.length, 'Trying to write beyond buffer length') + verifIEEE754(value, 3.4028234663852886e+38, -3.4028234663852886e+38) + } + + var len = buf.length + if (offset >= len) + return + + ieee754.write(buf, value, offset, littleEndian, 23, 4) +} + +Buffer.prototype.writeFloatLE = function (value, offset, noAssert) { + _writeFloat(this, value, offset, true, noAssert) +} + +Buffer.prototype.writeFloatBE = function (value, offset, noAssert) { + _writeFloat(this, value, offset, false, noAssert) +} + +function _writeDouble (buf, value, offset, littleEndian, noAssert) { + if (!noAssert) { + assert(value !== undefined && value !== null, 'missing value') + assert(typeof littleEndian === 'boolean', 'missing or invalid endian') + assert(offset !== undefined && offset !== null, 'missing offset') + assert(offset + 7 < buf.length, + 'Trying to write beyond buffer length') + verifIEEE754(value, 1.7976931348623157E+308, -1.7976931348623157E+308) + } + + var len = buf.length + if (offset >= len) + return + + ieee754.write(buf, value, offset, littleEndian, 52, 8) +} + +Buffer.prototype.writeDoubleLE = function (value, offset, noAssert) { + _writeDouble(this, value, offset, true, noAssert) +} + +Buffer.prototype.writeDoubleBE = function (value, offset, noAssert) { + _writeDouble(this, value, offset, false, noAssert) +} + +// fill(value, start=0, end=buffer.length) +Buffer.prototype.fill = function (value, start, end) { + if (!value) value = 0 + if (!start) start = 0 + if (!end) end = this.length + + if (typeof value === 'string') { + value = value.charCodeAt(0) + } + + assert(typeof value === 'number' && !isNaN(value), 'value is not a number') + assert(end >= start, 'end < start') + + // Fill 0 bytes; we're done + if (end === start) return + if (this.length === 0) return + + assert(start >= 0 && start < this.length, 'start out of bounds') + assert(end >= 0 && end <= this.length, 'end out of bounds') + + for (var i = start; i < end; i++) { + this[i] = value + } +} + +Buffer.prototype.inspect = function () { + var out = [] + var len = this.length + for (var i = 0; i < len; i++) { + out[i] = toHex(this[i]) + if (i === exports.INSPECT_MAX_BYTES) { + out[i + 1] = '...' + break + } + } + return '' +} + +/** + * Creates a new `ArrayBuffer` with the *copied* memory of the buffer instance. + * Added in Node 0.12. Only available in browsers that support ArrayBuffer. + */ +Buffer.prototype.toArrayBuffer = function () { + if (typeof Uint8Array !== 'undefined') { + if (Buffer._useTypedArrays) { + return (new Buffer(this)).buffer + } else { + var buf = new Uint8Array(this.length) + for (var i = 0, len = buf.length; i < len; i += 1) + buf[i] = this[i] + return buf.buffer + } + } else { + throw new Error('Buffer.toArrayBuffer not supported in this browser') + } +} + +// HELPER FUNCTIONS +// ================ + +function stringtrim (str) { + if (str.trim) return str.trim() + return str.replace(/^\s+|\s+$/g, '') +} + +var BP = Buffer.prototype + +/** + * Augment a Uint8Array *instance* (not the Uint8Array class!) with Buffer methods + */ +Buffer._augment = function (arr) { + arr._isBuffer = true + + // save reference to original Uint8Array get/set methods before overwriting + arr._get = arr.get + arr._set = arr.set + + // deprecated, will be removed in node 0.13+ + arr.get = BP.get + arr.set = BP.set + + arr.write = BP.write + arr.toString = BP.toString + arr.toLocaleString = BP.toString + arr.toJSON = BP.toJSON + arr.copy = BP.copy + arr.slice = BP.slice + arr.readUInt8 = BP.readUInt8 + arr.readUInt16LE = BP.readUInt16LE + arr.readUInt16BE = BP.readUInt16BE + arr.readUInt32LE = BP.readUInt32LE + arr.readUInt32BE = BP.readUInt32BE + arr.readInt8 = BP.readInt8 + arr.readInt16LE = BP.readInt16LE + arr.readInt16BE = BP.readInt16BE + arr.readInt32LE = BP.readInt32LE + arr.readInt32BE = BP.readInt32BE + arr.readFloatLE = BP.readFloatLE + arr.readFloatBE = BP.readFloatBE + arr.readDoubleLE = BP.readDoubleLE + arr.readDoubleBE = BP.readDoubleBE + arr.writeUInt8 = BP.writeUInt8 + arr.writeUInt16LE = BP.writeUInt16LE + arr.writeUInt16BE = BP.writeUInt16BE + arr.writeUInt32LE = BP.writeUInt32LE + arr.writeUInt32BE = BP.writeUInt32BE + arr.writeInt8 = BP.writeInt8 + arr.writeInt16LE = BP.writeInt16LE + arr.writeInt16BE = BP.writeInt16BE + arr.writeInt32LE = BP.writeInt32LE + arr.writeInt32BE = BP.writeInt32BE + arr.writeFloatLE = BP.writeFloatLE + arr.writeFloatBE = BP.writeFloatBE + arr.writeDoubleLE = BP.writeDoubleLE + arr.writeDoubleBE = BP.writeDoubleBE + arr.fill = BP.fill + arr.inspect = BP.inspect + arr.toArrayBuffer = BP.toArrayBuffer + + return arr +} + +// slice(start, end) +function clamp (index, len, defaultValue) { + if (typeof index !== 'number') return defaultValue + index = ~~index; // Coerce to integer. + if (index >= len) return len + if (index >= 0) return index + index += len + if (index >= 0) return index + return 0 +} + +function coerce (length) { + // Coerce length to a number (possibly NaN), round up + // in case it's fractional (e.g. 123.456) then do a + // double negate to coerce a NaN to 0. Easy, right? + length = ~~Math.ceil(+length) + return length < 0 ? 0 : length +} + +function isArray (subject) { + return (Array.isArray || function (subject) { + return Object.prototype.toString.call(subject) === '[object Array]' + })(subject) +} + +function isArrayish (subject) { + return isArray(subject) || Buffer.isBuffer(subject) || + subject && typeof subject === 'object' && + typeof subject.length === 'number' +} + +function toHex (n) { + if (n < 16) return '0' + n.toString(16) + return n.toString(16) +} + +function utf8ToBytes (str) { + var byteArray = [] + for (var i = 0; i < str.length; i++) { + var b = str.charCodeAt(i) + if (b <= 0x7F) + byteArray.push(str.charCodeAt(i)) + else { + var start = i + if (b >= 0xD800 && b <= 0xDFFF) i++ + var h = encodeURIComponent(str.slice(start, i+1)).substr(1).split('%') + for (var j = 0; j < h.length; j++) + byteArray.push(parseInt(h[j], 16)) + } + } + return byteArray +} + +function asciiToBytes (str) { + var byteArray = [] + for (var i = 0; i < str.length; i++) { + // Node's code seems to be doing this and not & 0x7F.. + byteArray.push(str.charCodeAt(i) & 0xFF) + } + return byteArray +} + +function utf16leToBytes (str) { + var c, hi, lo + var byteArray = [] + for (var i = 0; i < str.length; i++) { + c = str.charCodeAt(i) + hi = c >> 8 + lo = c % 256 + byteArray.push(lo) + byteArray.push(hi) + } + + return byteArray +} + +function base64ToBytes (str) { + return base64.toByteArray(str) +} + +function blitBuffer (src, dst, offset, length) { + var pos + for (var i = 0; i < length; i++) { + if ((i + offset >= dst.length) || (i >= src.length)) + break + dst[i + offset] = src[i] + } + return i +} + +function decodeUtf8Char (str) { + try { + return decodeURIComponent(str) + } catch (err) { + return String.fromCharCode(0xFFFD) // UTF 8 invalid char + } +} + +/* + * We have to make sure that the value is a valid integer. This means that it + * is non-negative. It has no fractional component and that it does not + * exceed the maximum allowed value. + */ +function verifuint (value, max) { + assert(typeof value === 'number', 'cannot write a non-number as a number') + assert(value >= 0, 'specified a negative value for writing an unsigned value') + assert(value <= max, 'value is larger than maximum value for type') + assert(Math.floor(value) === value, 'value has a fractional component') +} + +function verifsint (value, max, min) { + assert(typeof value === 'number', 'cannot write a non-number as a number') + assert(value <= max, 'value larger than maximum allowed value') + assert(value >= min, 'value smaller than minimum allowed value') + assert(Math.floor(value) === value, 'value has a fractional component') +} + +function verifIEEE754 (value, max, min) { + assert(typeof value === 'number', 'cannot write a non-number as a number') + assert(value <= max, 'value larger than maximum allowed value') + assert(value >= min, 'value smaller than minimum allowed value') +} + +function assert (test, message) { + if (!test) throw new Error(message || 'Failed assertion') +} + +}).call(this,require("1YiZ5S"),typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},require("buffer").Buffer,arguments[3],arguments[4],arguments[5],arguments[6],"/../node_modules/gulp-browserify/node_modules/browserify/node_modules/buffer/index.js","/../node_modules/gulp-browserify/node_modules/browserify/node_modules/buffer") +},{"1YiZ5S":6,"base64-js":3,"buffer":2,"ieee754":4}],3:[function(require,module,exports){ +(function (process,global,Buffer,__argument0,__argument1,__argument2,__argument3,__filename,__dirname){ +var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; + +;(function (exports) { + 'use strict'; + + var Arr = (typeof Uint8Array !== 'undefined') + ? Uint8Array + : Array + + var PLUS = '+'.charCodeAt(0) + var SLASH = '/'.charCodeAt(0) + var NUMBER = '0'.charCodeAt(0) + var LOWER = 'a'.charCodeAt(0) + var UPPER = 'A'.charCodeAt(0) + var PLUS_URL_SAFE = '-'.charCodeAt(0) + var SLASH_URL_SAFE = '_'.charCodeAt(0) + + function decode (elt) { + var code = elt.charCodeAt(0) + if (code === PLUS || + code === PLUS_URL_SAFE) + return 62 // '+' + if (code === SLASH || + code === SLASH_URL_SAFE) + return 63 // '/' + if (code < NUMBER) + return -1 //no match + if (code < NUMBER + 10) + return code - NUMBER + 26 + 26 + if (code < UPPER + 26) + return code - UPPER + if (code < LOWER + 26) + return code - LOWER + 26 + } + + function b64ToByteArray (b64) { + var i, j, l, tmp, placeHolders, arr + + if (b64.length % 4 > 0) { + throw new Error('Invalid string. Length must be a multiple of 4') + } + + // the number of equal signs (place holders) + // if there are two placeholders, than the two characters before it + // represent one byte + // if there is only one, then the three characters before it represent 2 bytes + // this is just a cheap hack to not do indexOf twice + var len = b64.length + placeHolders = '=' === b64.charAt(len - 2) ? 2 : '=' === b64.charAt(len - 1) ? 1 : 0 + + // base64 is 4/3 + up to two characters of the original data + arr = new Arr(b64.length * 3 / 4 - placeHolders) + + // if there are placeholders, only get up to the last complete 4 chars + l = placeHolders > 0 ? b64.length - 4 : b64.length + + var L = 0 + + function push (v) { + arr[L++] = v + } + + for (i = 0, j = 0; i < l; i += 4, j += 3) { + tmp = (decode(b64.charAt(i)) << 18) | (decode(b64.charAt(i + 1)) << 12) | (decode(b64.charAt(i + 2)) << 6) | decode(b64.charAt(i + 3)) + push((tmp & 0xFF0000) >> 16) + push((tmp & 0xFF00) >> 8) + push(tmp & 0xFF) + } + + if (placeHolders === 2) { + tmp = (decode(b64.charAt(i)) << 2) | (decode(b64.charAt(i + 1)) >> 4) + push(tmp & 0xFF) + } else if (placeHolders === 1) { + tmp = (decode(b64.charAt(i)) << 10) | (decode(b64.charAt(i + 1)) << 4) | (decode(b64.charAt(i + 2)) >> 2) + push((tmp >> 8) & 0xFF) + push(tmp & 0xFF) + } + + return arr + } + + function uint8ToBase64 (uint8) { + var i, + extraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes + output = "", + temp, length + + function encode (num) { + return lookup.charAt(num) + } + + function tripletToBase64 (num) { + return encode(num >> 18 & 0x3F) + encode(num >> 12 & 0x3F) + encode(num >> 6 & 0x3F) + encode(num & 0x3F) + } + + // go through the array every three bytes, we'll deal with trailing stuff later + for (i = 0, length = uint8.length - extraBytes; i < length; i += 3) { + temp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]) + output += tripletToBase64(temp) + } + + // pad the end with zeros, but make sure to not forget the extra bytes + switch (extraBytes) { + case 1: + temp = uint8[uint8.length - 1] + output += encode(temp >> 2) + output += encode((temp << 4) & 0x3F) + output += '==' + break + case 2: + temp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1]) + output += encode(temp >> 10) + output += encode((temp >> 4) & 0x3F) + output += encode((temp << 2) & 0x3F) + output += '=' + break + } + + return output + } + + exports.toByteArray = b64ToByteArray + exports.fromByteArray = uint8ToBase64 +}(typeof exports === 'undefined' ? (this.base64js = {}) : exports)) + +}).call(this,require("1YiZ5S"),typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},require("buffer").Buffer,arguments[3],arguments[4],arguments[5],arguments[6],"/../node_modules/gulp-browserify/node_modules/browserify/node_modules/buffer/node_modules/base64-js/lib/b64.js","/../node_modules/gulp-browserify/node_modules/browserify/node_modules/buffer/node_modules/base64-js/lib") +},{"1YiZ5S":6,"buffer":2}],4:[function(require,module,exports){ +(function (process,global,Buffer,__argument0,__argument1,__argument2,__argument3,__filename,__dirname){ +exports.read = function(buffer, offset, isLE, mLen, nBytes) { + var e, m, + eLen = nBytes * 8 - mLen - 1, + eMax = (1 << eLen) - 1, + eBias = eMax >> 1, + nBits = -7, + i = isLE ? (nBytes - 1) : 0, + d = isLE ? -1 : 1, + s = buffer[offset + i]; + + i += d; + + e = s & ((1 << (-nBits)) - 1); + s >>= (-nBits); + nBits += eLen; + for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8); + + m = e & ((1 << (-nBits)) - 1); + e >>= (-nBits); + nBits += mLen; + for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8); + + if (e === 0) { + e = 1 - eBias; + } else if (e === eMax) { + return m ? NaN : ((s ? -1 : 1) * Infinity); + } else { + m = m + Math.pow(2, mLen); + e = e - eBias; + } + return (s ? -1 : 1) * m * Math.pow(2, e - mLen); +}; + +exports.write = function(buffer, value, offset, isLE, mLen, nBytes) { + var e, m, c, + eLen = nBytes * 8 - mLen - 1, + eMax = (1 << eLen) - 1, + eBias = eMax >> 1, + rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0), + i = isLE ? 0 : (nBytes - 1), + d = isLE ? 1 : -1, + s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0; + + value = Math.abs(value); + + if (isNaN(value) || value === Infinity) { + m = isNaN(value) ? 1 : 0; + e = eMax; + } else { + e = Math.floor(Math.log(value) / Math.LN2); + if (value * (c = Math.pow(2, -e)) < 1) { + e--; + c *= 2; + } + if (e + eBias >= 1) { + value += rt / c; + } else { + value += rt * Math.pow(2, 1 - eBias); + } + if (value * c >= 2) { + e++; + c /= 2; + } + + if (e + eBias >= eMax) { + m = 0; + e = eMax; + } else if (e + eBias >= 1) { + m = (value * c - 1) * Math.pow(2, mLen); + e = e + eBias; + } else { + m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen); + e = 0; + } + } + + for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8); + + e = (e << mLen) | m; + eLen += mLen; + for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8); + + buffer[offset + i - d] |= s * 128; +}; + +}).call(this,require("1YiZ5S"),typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},require("buffer").Buffer,arguments[3],arguments[4],arguments[5],arguments[6],"/../node_modules/gulp-browserify/node_modules/browserify/node_modules/buffer/node_modules/ieee754/index.js","/../node_modules/gulp-browserify/node_modules/browserify/node_modules/buffer/node_modules/ieee754") +},{"1YiZ5S":6,"buffer":2}],5:[function(require,module,exports){ +(function (process,global,Buffer,__argument0,__argument1,__argument2,__argument3,__filename,__dirname){ +if (typeof Object.create === 'function') { + // implementation from standard node.js 'util' module + module.exports = function inherits(ctor, superCtor) { + ctor.super_ = superCtor + ctor.prototype = Object.create(superCtor.prototype, { + constructor: { + value: ctor, + enumerable: false, + writable: true, + configurable: true + } + }); + }; +} else { + // old school shim for old browsers + module.exports = function inherits(ctor, superCtor) { + ctor.super_ = superCtor + var TempCtor = function () {} + TempCtor.prototype = superCtor.prototype + ctor.prototype = new TempCtor() + ctor.prototype.constructor = ctor + } +} + +}).call(this,require("1YiZ5S"),typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},require("buffer").Buffer,arguments[3],arguments[4],arguments[5],arguments[6],"/../node_modules/gulp-browserify/node_modules/browserify/node_modules/inherits/inherits_browser.js","/../node_modules/gulp-browserify/node_modules/browserify/node_modules/inherits") +},{"1YiZ5S":6,"buffer":2}],6:[function(require,module,exports){ +(function (process,global,Buffer,__argument0,__argument1,__argument2,__argument3,__filename,__dirname){ +// shim for using process in browser + +var process = module.exports = {}; + +process.nextTick = (function () { + var canSetImmediate = typeof window !== 'undefined' + && window.setImmediate; + var canPost = typeof window !== 'undefined' + && window.postMessage && window.addEventListener + ; + + if (canSetImmediate) { + return function (f) { return window.setImmediate(f) }; + } + + if (canPost) { + var queue = []; + window.addEventListener('message', function (ev) { + var source = ev.source; + if ((source === window || source === null) && ev.data === 'process-tick') { + ev.stopPropagation(); + if (queue.length > 0) { + var fn = queue.shift(); + fn(); + } + } + }, true); + + return function nextTick(fn) { + queue.push(fn); + window.postMessage('process-tick', '*'); + }; + } + + return function nextTick(fn) { + setTimeout(fn, 0); + }; +})(); + +process.title = 'browser'; +process.browser = true; +process.env = {}; +process.argv = []; + +function noop() {} + +process.on = noop; +process.addListener = noop; +process.once = noop; +process.off = noop; +process.removeListener = noop; +process.removeAllListeners = noop; +process.emit = noop; + +process.binding = function (name) { + throw new Error('process.binding is not supported'); +} + +// TODO(shtylman) +process.cwd = function () { return '/' }; +process.chdir = function (dir) { + throw new Error('process.chdir is not supported'); +}; + +}).call(this,require("1YiZ5S"),typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},require("buffer").Buffer,arguments[3],arguments[4],arguments[5],arguments[6],"/../node_modules/gulp-browserify/node_modules/browserify/node_modules/process/browser.js","/../node_modules/gulp-browserify/node_modules/browserify/node_modules/process") +},{"1YiZ5S":6,"buffer":2}],7:[function(require,module,exports){ +(function (process,global,Buffer,__argument0,__argument1,__argument2,__argument3,__filename,__dirname){ +module.exports = function isBuffer(arg) { + return arg && typeof arg === 'object' + && typeof arg.copy === 'function' + && typeof arg.fill === 'function' + && typeof arg.readUInt8 === 'function'; +} +}).call(this,require("1YiZ5S"),typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},require("buffer").Buffer,arguments[3],arguments[4],arguments[5],arguments[6],"/../node_modules/gulp-browserify/node_modules/browserify/node_modules/util/support/isBufferBrowser.js","/../node_modules/gulp-browserify/node_modules/browserify/node_modules/util/support") +},{"1YiZ5S":6,"buffer":2}],8:[function(require,module,exports){ +(function (process,global,Buffer,__argument0,__argument1,__argument2,__argument3,__filename,__dirname){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +var formatRegExp = /%[sdj%]/g; +exports.format = function(f) { + if (!isString(f)) { + var objects = []; + for (var i = 0; i < arguments.length; i++) { + objects.push(inspect(arguments[i])); + } + return objects.join(' '); + } + + var i = 1; + var args = arguments; + var len = args.length; + var str = String(f).replace(formatRegExp, function(x) { + if (x === '%%') return '%'; + if (i >= len) return x; + switch (x) { + case '%s': return String(args[i++]); + case '%d': return Number(args[i++]); + case '%j': + try { + return JSON.stringify(args[i++]); + } catch (_) { + return '[Circular]'; + } + default: + return x; + } + }); + for (var x = args[i]; i < len; x = args[++i]) { + if (isNull(x) || !isObject(x)) { + str += ' ' + x; + } else { + str += ' ' + inspect(x); + } + } + return str; +}; + + +// Mark that a method should not be used. +// Returns a modified function which warns once by default. +// If --no-deprecation is set, then it is a no-op. +exports.deprecate = function(fn, msg) { + // Allow for deprecating things in the process of starting up. + if (isUndefined(global.process)) { + return function() { + return exports.deprecate(fn, msg).apply(this, arguments); + }; + } + + if (process.noDeprecation === true) { + return fn; + } + + var warned = false; + function deprecated() { + if (!warned) { + if (process.throwDeprecation) { + throw new Error(msg); + } else if (process.traceDeprecation) { + console.trace(msg); + } else { + console.error(msg); + } + warned = true; + } + return fn.apply(this, arguments); + } + + return deprecated; +}; + + +var debugs = {}; +var debugEnviron; +exports.debuglog = function(set) { + if (isUndefined(debugEnviron)) + debugEnviron = process.env.NODE_DEBUG || ''; + set = set.toUpperCase(); + if (!debugs[set]) { + if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) { + var pid = process.pid; + debugs[set] = function() { + var msg = exports.format.apply(exports, arguments); + console.error('%s %d: %s', set, pid, msg); + }; + } else { + debugs[set] = function() {}; + } + } + return debugs[set]; +}; + + +/** + * Echos the value of a value. Trys to print the value out + * in the best way possible given the different types. + * + * @param {Object} obj The object to print out. + * @param {Object} opts Optional options object that alters the output. + */ +/* legacy: obj, showHidden, depth, colors*/ +function inspect(obj, opts) { + // default options + var ctx = { + seen: [], + stylize: stylizeNoColor + }; + // legacy... + if (arguments.length >= 3) ctx.depth = arguments[2]; + if (arguments.length >= 4) ctx.colors = arguments[3]; + if (isBoolean(opts)) { + // legacy... + ctx.showHidden = opts; + } else if (opts) { + // got an "options" object + exports._extend(ctx, opts); + } + // set default options + if (isUndefined(ctx.showHidden)) ctx.showHidden = false; + if (isUndefined(ctx.depth)) ctx.depth = 2; + if (isUndefined(ctx.colors)) ctx.colors = false; + if (isUndefined(ctx.customInspect)) ctx.customInspect = true; + if (ctx.colors) ctx.stylize = stylizeWithColor; + return formatValue(ctx, obj, ctx.depth); +} +exports.inspect = inspect; + + +// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics +inspect.colors = { + 'bold' : [1, 22], + 'italic' : [3, 23], + 'underline' : [4, 24], + 'inverse' : [7, 27], + 'white' : [37, 39], + 'grey' : [90, 39], + 'black' : [30, 39], + 'blue' : [34, 39], + 'cyan' : [36, 39], + 'green' : [32, 39], + 'magenta' : [35, 39], + 'red' : [31, 39], + 'yellow' : [33, 39] +}; + +// Don't use 'blue' not visible on cmd.exe +inspect.styles = { + 'special': 'cyan', + 'number': 'yellow', + 'boolean': 'yellow', + 'undefined': 'grey', + 'null': 'bold', + 'string': 'green', + 'date': 'magenta', + // "name": intentionally not styling + 'regexp': 'red' +}; + + +function stylizeWithColor(str, styleType) { + var style = inspect.styles[styleType]; + + if (style) { + return '\u001b[' + inspect.colors[style][0] + 'm' + str + + '\u001b[' + inspect.colors[style][1] + 'm'; + } else { + return str; + } +} + + +function stylizeNoColor(str, styleType) { + return str; +} + + +function arrayToHash(array) { + var hash = {}; + + array.forEach(function(val, idx) { + hash[val] = true; + }); + + return hash; +} + + +function formatValue(ctx, value, recurseTimes) { + // Provide a hook for user-specified inspect functions. + // Check that value is an object with an inspect function on it + if (ctx.customInspect && + value && + isFunction(value.inspect) && + // Filter out the util module, it's inspect function is special + value.inspect !== exports.inspect && + // Also filter out any prototype objects using the circular check. + !(value.constructor && value.constructor.prototype === value)) { + var ret = value.inspect(recurseTimes, ctx); + if (!isString(ret)) { + ret = formatValue(ctx, ret, recurseTimes); + } + return ret; + } + + // Primitive types cannot have properties + var primitive = formatPrimitive(ctx, value); + if (primitive) { + return primitive; + } + + // Look up the keys of the object. + var keys = Object.keys(value); + var visibleKeys = arrayToHash(keys); + + if (ctx.showHidden) { + keys = Object.getOwnPropertyNames(value); + } + + // IE doesn't make error fields non-enumerable + // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx + if (isError(value) + && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) { + return formatError(value); + } + + // Some type of object without properties can be shortcutted. + if (keys.length === 0) { + if (isFunction(value)) { + var name = value.name ? ': ' + value.name : ''; + return ctx.stylize('[Function' + name + ']', 'special'); + } + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } + if (isDate(value)) { + return ctx.stylize(Date.prototype.toString.call(value), 'date'); + } + if (isError(value)) { + return formatError(value); + } + } + + var base = '', array = false, braces = ['{', '}']; + + // Make Array say that they are Array + if (isArray(value)) { + array = true; + braces = ['[', ']']; + } + + // Make functions say that they are functions + if (isFunction(value)) { + var n = value.name ? ': ' + value.name : ''; + base = ' [Function' + n + ']'; + } + + // Make RegExps say that they are RegExps + if (isRegExp(value)) { + base = ' ' + RegExp.prototype.toString.call(value); + } + + // Make dates with properties first say the date + if (isDate(value)) { + base = ' ' + Date.prototype.toUTCString.call(value); + } + + // Make error with message first say the error + if (isError(value)) { + base = ' ' + formatError(value); + } + + if (keys.length === 0 && (!array || value.length == 0)) { + return braces[0] + base + braces[1]; + } + + if (recurseTimes < 0) { + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } else { + return ctx.stylize('[Object]', 'special'); + } + } + + ctx.seen.push(value); + + var output; + if (array) { + output = formatArray(ctx, value, recurseTimes, visibleKeys, keys); + } else { + output = keys.map(function(key) { + return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array); + }); + } + + ctx.seen.pop(); + + return reduceToSingleString(output, base, braces); +} + + +function formatPrimitive(ctx, value) { + if (isUndefined(value)) + return ctx.stylize('undefined', 'undefined'); + if (isString(value)) { + var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '') + .replace(/'/g, "\\'") + .replace(/\\"/g, '"') + '\''; + return ctx.stylize(simple, 'string'); + } + if (isNumber(value)) + return ctx.stylize('' + value, 'number'); + if (isBoolean(value)) + return ctx.stylize('' + value, 'boolean'); + // For some reason typeof null is "object", so special case here. + if (isNull(value)) + return ctx.stylize('null', 'null'); +} + + +function formatError(value) { + return '[' + Error.prototype.toString.call(value) + ']'; +} + + +function formatArray(ctx, value, recurseTimes, visibleKeys, keys) { + var output = []; + for (var i = 0, l = value.length; i < l; ++i) { + if (hasOwnProperty(value, String(i))) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + String(i), true)); + } else { + output.push(''); + } + } + keys.forEach(function(key) { + if (!key.match(/^\d+$/)) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + key, true)); + } + }); + return output; +} + + +function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) { + var name, str, desc; + desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] }; + if (desc.get) { + if (desc.set) { + str = ctx.stylize('[Getter/Setter]', 'special'); + } else { + str = ctx.stylize('[Getter]', 'special'); + } + } else { + if (desc.set) { + str = ctx.stylize('[Setter]', 'special'); + } + } + if (!hasOwnProperty(visibleKeys, key)) { + name = '[' + key + ']'; + } + if (!str) { + if (ctx.seen.indexOf(desc.value) < 0) { + if (isNull(recurseTimes)) { + str = formatValue(ctx, desc.value, null); + } else { + str = formatValue(ctx, desc.value, recurseTimes - 1); + } + if (str.indexOf('\n') > -1) { + if (array) { + str = str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n').substr(2); + } else { + str = '\n' + str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n'); + } + } + } else { + str = ctx.stylize('[Circular]', 'special'); + } + } + if (isUndefined(name)) { + if (array && key.match(/^\d+$/)) { + return str; + } + name = JSON.stringify('' + key); + if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) { + name = name.substr(1, name.length - 2); + name = ctx.stylize(name, 'name'); + } else { + name = name.replace(/'/g, "\\'") + .replace(/\\"/g, '"') + .replace(/(^"|"$)/g, "'"); + name = ctx.stylize(name, 'string'); + } + } + + return name + ': ' + str; +} + + +function reduceToSingleString(output, base, braces) { + var numLinesEst = 0; + var length = output.reduce(function(prev, cur) { + numLinesEst++; + if (cur.indexOf('\n') >= 0) numLinesEst++; + return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1; + }, 0); + + if (length > 60) { + return braces[0] + + (base === '' ? '' : base + '\n ') + + ' ' + + output.join(',\n ') + + ' ' + + braces[1]; + } + + return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1]; +} + + +// NOTE: These type checking functions intentionally don't use `instanceof` +// because it is fragile and can be easily faked with `Object.create()`. +function isArray(ar) { + return Array.isArray(ar); +} +exports.isArray = isArray; + +function isBoolean(arg) { + return typeof arg === 'boolean'; +} +exports.isBoolean = isBoolean; + +function isNull(arg) { + return arg === null; +} +exports.isNull = isNull; + +function isNullOrUndefined(arg) { + return arg == null; +} +exports.isNullOrUndefined = isNullOrUndefined; + +function isNumber(arg) { + return typeof arg === 'number'; +} +exports.isNumber = isNumber; + +function isString(arg) { + return typeof arg === 'string'; +} +exports.isString = isString; + +function isSymbol(arg) { + return typeof arg === 'symbol'; +} +exports.isSymbol = isSymbol; + +function isUndefined(arg) { + return arg === void 0; +} +exports.isUndefined = isUndefined; + +function isRegExp(re) { + return isObject(re) && objectToString(re) === '[object RegExp]'; +} +exports.isRegExp = isRegExp; + +function isObject(arg) { + return typeof arg === 'object' && arg !== null; +} +exports.isObject = isObject; + +function isDate(d) { + return isObject(d) && objectToString(d) === '[object Date]'; +} +exports.isDate = isDate; + +function isError(e) { + return isObject(e) && + (objectToString(e) === '[object Error]' || e instanceof Error); +} +exports.isError = isError; + +function isFunction(arg) { + return typeof arg === 'function'; +} +exports.isFunction = isFunction; + +function isPrimitive(arg) { + return arg === null || + typeof arg === 'boolean' || + typeof arg === 'number' || + typeof arg === 'string' || + typeof arg === 'symbol' || // ES6 symbol + typeof arg === 'undefined'; +} +exports.isPrimitive = isPrimitive; + +exports.isBuffer = require('./support/isBuffer'); + +function objectToString(o) { + return Object.prototype.toString.call(o); +} + + +function pad(n) { + return n < 10 ? '0' + n.toString(10) : n.toString(10); +} + + +var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', + 'Oct', 'Nov', 'Dec']; + +// 26 Feb 16:19:34 +function timestamp() { + var d = new Date(); + var time = [pad(d.getHours()), + pad(d.getMinutes()), + pad(d.getSeconds())].join(':'); + return [d.getDate(), months[d.getMonth()], time].join(' '); +} + + +// log is just a thin wrapper to console.log that prepends a timestamp +exports.log = function() { + console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments)); +}; + + +/** + * Inherit the prototype methods from one constructor into another. + * + * The Function.prototype.inherits from lang.js rewritten as a standalone + * function (not on Function.prototype). NOTE: If this file is to be loaded + * during bootstrapping this function needs to be rewritten using some native + * functions as prototype setup using normal JavaScript does not work as + * expected during bootstrapping (see mirror.js in r114903). + * + * @param {function} ctor Constructor function which needs to inherit the + * prototype. + * @param {function} superCtor Constructor function to inherit prototype from. + */ +exports.inherits = require('inherits'); + +exports._extend = function(origin, add) { + // Don't do anything if add isn't an object + if (!add || !isObject(add)) return origin; + + var keys = Object.keys(add); + var i = keys.length; + while (i--) { + origin[keys[i]] = add[keys[i]]; + } + return origin; +}; + +function hasOwnProperty(obj, prop) { + return Object.prototype.hasOwnProperty.call(obj, prop); +} + +}).call(this,require("1YiZ5S"),typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},require("buffer").Buffer,arguments[3],arguments[4],arguments[5],arguments[6],"/../node_modules/gulp-browserify/node_modules/browserify/node_modules/util/util.js","/../node_modules/gulp-browserify/node_modules/browserify/node_modules/util") +},{"./support/isBuffer":7,"1YiZ5S":6,"buffer":2,"inherits":5}],9:[function(require,module,exports){ +(function (process,global,Buffer,__argument0,__argument1,__argument2,__argument3,__filename,__dirname){ +module.exports = function (stream, el, options) { + var URL = window.URL; + var opts = { + autoplay: true, + mirror: false, + muted: false + }; + var element = el || document.createElement('video'); + var item; + + if (options) { + for (item in options) { + opts[item] = options[item]; + } + } + + if (opts.autoplay) element.autoplay = 'autoplay'; + if (opts.muted) element.muted = true; + if (opts.mirror) { + ['', 'moz', 'webkit', 'o', 'ms'].forEach(function (prefix) { + var styleName = prefix ? prefix + 'Transform' : 'transform'; + element.style[styleName] = 'scaleX(-1)'; + }); + } + + // this first one should work most everywhere now + // but we have a few fallbacks just in case. + if (URL && URL.createObjectURL) { + element.src = URL.createObjectURL(stream); + } else if (element.srcObject) { + element.srcObject = stream; + } else if (element.mozSrcObject) { + element.mozSrcObject = stream; + } else { + return false; + } + + return element; +}; + +}).call(this,require("1YiZ5S"),typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},require("buffer").Buffer,arguments[3],arguments[4],arguments[5],arguments[6],"/../node_modules/simplewebrtc/node_modules/attachmediastream/attachmediastream.js","/../node_modules/simplewebrtc/node_modules/attachmediastream") +},{"1YiZ5S":6,"buffer":2}],10:[function(require,module,exports){ +(function (process,global,Buffer,__argument0,__argument1,__argument2,__argument3,__filename,__dirname){ +var methods = "assert,count,debug,dir,dirxml,error,exception,group,groupCollapsed,groupEnd,info,log,markTimeline,profile,profileEnd,time,timeEnd,trace,warn".split(","); +var l = methods.length; +var fn = function () {}; +var mockconsole = {}; + +while (l--) { + mockconsole[methods[l]] = fn; +} + +module.exports = mockconsole; + +}).call(this,require("1YiZ5S"),typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},require("buffer").Buffer,arguments[3],arguments[4],arguments[5],arguments[6],"/../node_modules/simplewebrtc/node_modules/mockconsole/mockconsole.js","/../node_modules/simplewebrtc/node_modules/mockconsole") +},{"1YiZ5S":6,"buffer":2}],11:[function(require,module,exports){ +(function (process,global,Buffer,__argument0,__argument1,__argument2,__argument3,__filename,__dirname){ +/*! Socket.IO.js build:0.9.16, development. Copyright(c) 2011 LearnBoost MIT Licensed */ + +var io = ('undefined' === typeof module ? {} : module.exports); +(function() { + +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, global) { + + /** + * IO namespace. + * + * @namespace + */ + + var io = exports; + + /** + * Socket.IO version + * + * @api public + */ + + io.version = '0.9.16'; + + /** + * Protocol implemented. + * + * @api public + */ + + io.protocol = 1; + + /** + * Available transports, these will be populated with the available transports + * + * @api public + */ + + io.transports = []; + + /** + * Keep track of jsonp callbacks. + * + * @api private + */ + + io.j = []; + + /** + * Keep track of our io.Sockets + * + * @api private + */ + io.sockets = {}; + + + /** + * Manages connections to hosts. + * + * @param {String} uri + * @Param {Boolean} force creation of new socket (defaults to false) + * @api public + */ + + io.connect = function (host, details) { + var uri = io.util.parseUri(host) + , uuri + , socket; + + if (global && global.location) { + uri.protocol = uri.protocol || global.location.protocol.slice(0, -1); + uri.host = uri.host || (global.document + ? global.document.domain : global.location.hostname); + uri.port = uri.port || global.location.port; + } + + uuri = io.util.uniqueUri(uri); + + var options = { + host: uri.host + , secure: 'https' == uri.protocol + , port: uri.port || ('https' == uri.protocol ? 443 : 80) + , query: uri.query || '' + }; + + io.util.merge(options, details); + + if (options['force new connection'] || !io.sockets[uuri]) { + socket = new io.Socket(options); + } + + if (!options['force new connection'] && socket) { + io.sockets[uuri] = socket; + } + + socket = socket || io.sockets[uuri]; + + // if path is different from '' or / + return socket.of(uri.path.length > 1 ? uri.path : ''); + }; + +})('object' === typeof module ? module.exports : (this.io = {}), this); +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, global) { + + /** + * Utilities namespace. + * + * @namespace + */ + + var util = exports.util = {}; + + /** + * Parses an URI + * + * @author Steven Levithan (MIT license) + * @api public + */ + + var re = /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/; + + var parts = ['source', 'protocol', 'authority', 'userInfo', 'user', 'password', + 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', + 'anchor']; + + util.parseUri = function (str) { + var m = re.exec(str || '') + , uri = {} + , i = 14; + + while (i--) { + uri[parts[i]] = m[i] || ''; + } + + return uri; + }; + + /** + * Produces a unique url that identifies a Socket.IO connection. + * + * @param {Object} uri + * @api public + */ + + util.uniqueUri = function (uri) { + var protocol = uri.protocol + , host = uri.host + , port = uri.port; + + if ('document' in global) { + host = host || document.domain; + port = port || (protocol == 'https' + && document.location.protocol !== 'https:' ? 443 : document.location.port); + } else { + host = host || 'localhost'; + + if (!port && protocol == 'https') { + port = 443; + } + } + + return (protocol || 'http') + '://' + host + ':' + (port || 80); + }; + + /** + * Mergest 2 query strings in to once unique query string + * + * @param {String} base + * @param {String} addition + * @api public + */ + + util.query = function (base, addition) { + var query = util.chunkQuery(base || '') + , components = []; + + util.merge(query, util.chunkQuery(addition || '')); + for (var part in query) { + if (query.hasOwnProperty(part)) { + components.push(part + '=' + query[part]); + } + } + + return components.length ? '?' + components.join('&') : ''; + }; + + /** + * Transforms a querystring in to an object + * + * @param {String} qs + * @api public + */ + + util.chunkQuery = function (qs) { + var query = {} + , params = qs.split('&') + , i = 0 + , l = params.length + , kv; + + for (; i < l; ++i) { + kv = params[i].split('='); + if (kv[0]) { + query[kv[0]] = kv[1]; + } + } + + return query; + }; + + /** + * Executes the given function when the page is loaded. + * + * io.util.load(function () { console.log('page loaded'); }); + * + * @param {Function} fn + * @api public + */ + + var pageLoaded = false; + + util.load = function (fn) { + if ('document' in global && document.readyState === 'complete' || pageLoaded) { + return fn(); + } + + util.on(global, 'load', fn, false); + }; + + /** + * Adds an event. + * + * @api private + */ + + util.on = function (element, event, fn, capture) { + if (element.attachEvent) { + element.attachEvent('on' + event, fn); + } else if (element.addEventListener) { + element.addEventListener(event, fn, capture); + } + }; + + /** + * Generates the correct `XMLHttpRequest` for regular and cross domain requests. + * + * @param {Boolean} [xdomain] Create a request that can be used cross domain. + * @returns {XMLHttpRequest|false} If we can create a XMLHttpRequest. + * @api private + */ + + util.request = function (xdomain) { + + if (xdomain && 'undefined' != typeof XDomainRequest && !util.ua.hasCORS) { + return new XDomainRequest(); + } + + if ('undefined' != typeof XMLHttpRequest && (!xdomain || util.ua.hasCORS)) { + return new XMLHttpRequest(); + } + + if (!xdomain) { + try { + return new window[(['Active'].concat('Object').join('X'))]('Microsoft.XMLHTTP'); + } catch(e) { } + } + + return null; + }; + + /** + * XHR based transport constructor. + * + * @constructor + * @api public + */ + + /** + * Change the internal pageLoaded value. + */ + + if ('undefined' != typeof window) { + util.load(function () { + pageLoaded = true; + }); + } + + /** + * Defers a function to ensure a spinner is not displayed by the browser + * + * @param {Function} fn + * @api public + */ + + util.defer = function (fn) { + if (!util.ua.webkit || 'undefined' != typeof importScripts) { + return fn(); + } + + util.load(function () { + setTimeout(fn, 100); + }); + }; + + /** + * Merges two objects. + * + * @api public + */ + + util.merge = function merge (target, additional, deep, lastseen) { + var seen = lastseen || [] + , depth = typeof deep == 'undefined' ? 2 : deep + , prop; + + for (prop in additional) { + if (additional.hasOwnProperty(prop) && util.indexOf(seen, prop) < 0) { + if (typeof target[prop] !== 'object' || !depth) { + target[prop] = additional[prop]; + seen.push(additional[prop]); + } else { + util.merge(target[prop], additional[prop], depth - 1, seen); + } + } + } + + return target; + }; + + /** + * Merges prototypes from objects + * + * @api public + */ + + util.mixin = function (ctor, ctor2) { + util.merge(ctor.prototype, ctor2.prototype); + }; + + /** + * Shortcut for prototypical and static inheritance. + * + * @api private + */ + + util.inherit = function (ctor, ctor2) { + function f() {}; + f.prototype = ctor2.prototype; + ctor.prototype = new f; + }; + + /** + * Checks if the given object is an Array. + * + * io.util.isArray([]); // true + * io.util.isArray({}); // false + * + * @param Object obj + * @api public + */ + + util.isArray = Array.isArray || function (obj) { + return Object.prototype.toString.call(obj) === '[object Array]'; + }; + + /** + * Intersects values of two arrays into a third + * + * @api public + */ + + util.intersect = function (arr, arr2) { + var ret = [] + , longest = arr.length > arr2.length ? arr : arr2 + , shortest = arr.length > arr2.length ? arr2 : arr; + + for (var i = 0, l = shortest.length; i < l; i++) { + if (~util.indexOf(longest, shortest[i])) + ret.push(shortest[i]); + } + + return ret; + }; + + /** + * Array indexOf compatibility. + * + * @see bit.ly/a5Dxa2 + * @api public + */ + + util.indexOf = function (arr, o, i) { + + for (var j = arr.length, i = i < 0 ? i + j < 0 ? 0 : i + j : i || 0; + i < j && arr[i] !== o; i++) {} + + return j <= i ? -1 : i; + }; + + /** + * Converts enumerables to array. + * + * @api public + */ + + util.toArray = function (enu) { + var arr = []; + + for (var i = 0, l = enu.length; i < l; i++) + arr.push(enu[i]); + + return arr; + }; + + /** + * UA / engines detection namespace. + * + * @namespace + */ + + util.ua = {}; + + /** + * Whether the UA supports CORS for XHR. + * + * @api public + */ + + util.ua.hasCORS = 'undefined' != typeof XMLHttpRequest && (function () { + try { + var a = new XMLHttpRequest(); + } catch (e) { + return false; + } + + return a.withCredentials != undefined; + })(); + + /** + * Detect webkit. + * + * @api public + */ + + util.ua.webkit = 'undefined' != typeof navigator + && /webkit/i.test(navigator.userAgent); + + /** + * Detect iPad/iPhone/iPod. + * + * @api public + */ + + util.ua.iDevice = 'undefined' != typeof navigator + && /iPad|iPhone|iPod/i.test(navigator.userAgent); + +})('undefined' != typeof io ? io : module.exports, this); +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io) { + + /** + * Expose constructor. + */ + + exports.EventEmitter = EventEmitter; + + /** + * Event emitter constructor. + * + * @api public. + */ + + function EventEmitter () {}; + + /** + * Adds a listener + * + * @api public + */ + + EventEmitter.prototype.on = function (name, fn) { + if (!this.$events) { + this.$events = {}; + } + + if (!this.$events[name]) { + this.$events[name] = fn; + } else if (io.util.isArray(this.$events[name])) { + this.$events[name].push(fn); + } else { + this.$events[name] = [this.$events[name], fn]; + } + + return this; + }; + + EventEmitter.prototype.addListener = EventEmitter.prototype.on; + + /** + * Adds a volatile listener. + * + * @api public + */ + + EventEmitter.prototype.once = function (name, fn) { + var self = this; + + function on () { + self.removeListener(name, on); + fn.apply(this, arguments); + }; + + on.listener = fn; + this.on(name, on); + + return this; + }; + + /** + * Removes a listener. + * + * @api public + */ + + EventEmitter.prototype.removeListener = function (name, fn) { + if (this.$events && this.$events[name]) { + var list = this.$events[name]; + + if (io.util.isArray(list)) { + var pos = -1; + + for (var i = 0, l = list.length; i < l; i++) { + if (list[i] === fn || (list[i].listener && list[i].listener === fn)) { + pos = i; + break; + } + } + + if (pos < 0) { + return this; + } + + list.splice(pos, 1); + + if (!list.length) { + delete this.$events[name]; + } + } else if (list === fn || (list.listener && list.listener === fn)) { + delete this.$events[name]; + } + } + + return this; + }; + + /** + * Removes all listeners for an event. + * + * @api public + */ + + EventEmitter.prototype.removeAllListeners = function (name) { + if (name === undefined) { + this.$events = {}; + return this; + } + + if (this.$events && this.$events[name]) { + this.$events[name] = null; + } + + return this; + }; + + /** + * Gets all listeners for a certain event. + * + * @api publci + */ + + EventEmitter.prototype.listeners = function (name) { + if (!this.$events) { + this.$events = {}; + } + + if (!this.$events[name]) { + this.$events[name] = []; + } + + if (!io.util.isArray(this.$events[name])) { + this.$events[name] = [this.$events[name]]; + } + + return this.$events[name]; + }; + + /** + * Emits an event. + * + * @api public + */ + + EventEmitter.prototype.emit = function (name) { + if (!this.$events) { + return false; + } + + var handler = this.$events[name]; + + if (!handler) { + return false; + } + + var args = Array.prototype.slice.call(arguments, 1); + + if ('function' == typeof handler) { + handler.apply(this, args); + } else if (io.util.isArray(handler)) { + var listeners = handler.slice(); + + for (var i = 0, l = listeners.length; i < l; i++) { + listeners[i].apply(this, args); + } + } else { + return false; + } + + return true; + }; + +})( + 'undefined' != typeof io ? io : module.exports + , 'undefined' != typeof io ? io : module.parent.exports +); + +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +/** + * Based on JSON2 (http://www.JSON.org/js.html). + */ + +(function (exports, nativeJSON) { + "use strict"; + + // use native JSON if it's available + if (nativeJSON && nativeJSON.parse){ + return exports.JSON = { + parse: nativeJSON.parse + , stringify: nativeJSON.stringify + }; + } + + var JSON = exports.JSON = {}; + + function f(n) { + // Format integers to have at least two digits. + return n < 10 ? '0' + n : n; + } + + function date(d, key) { + return isFinite(d.valueOf()) ? + d.getUTCFullYear() + '-' + + f(d.getUTCMonth() + 1) + '-' + + f(d.getUTCDate()) + 'T' + + f(d.getUTCHours()) + ':' + + f(d.getUTCMinutes()) + ':' + + f(d.getUTCSeconds()) + 'Z' : null; + }; + + var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, + escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, + gap, + indent, + meta = { // table of character substitutions + '\b': '\\b', + '\t': '\\t', + '\n': '\\n', + '\f': '\\f', + '\r': '\\r', + '"' : '\\"', + '\\': '\\\\' + }, + rep; + + + function quote(string) { + +// If the string contains no control characters, no quote characters, and no +// backslash characters, then we can safely slap some quotes around it. +// Otherwise we must also replace the offending characters with safe escape +// sequences. + + escapable.lastIndex = 0; + return escapable.test(string) ? '"' + string.replace(escapable, function (a) { + var c = meta[a]; + return typeof c === 'string' ? c : + '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); + }) + '"' : '"' + string + '"'; + } + + + function str(key, holder) { + +// Produce a string from holder[key]. + + var i, // The loop counter. + k, // The member key. + v, // The member value. + length, + mind = gap, + partial, + value = holder[key]; + +// If the value has a toJSON method, call it to obtain a replacement value. + + if (value instanceof Date) { + value = date(key); + } + +// If we were called with a replacer function, then call the replacer to +// obtain a replacement value. + + if (typeof rep === 'function') { + value = rep.call(holder, key, value); + } + +// What happens next depends on the value's type. + + switch (typeof value) { + case 'string': + return quote(value); + + case 'number': + +// JSON numbers must be finite. Encode non-finite numbers as null. + + return isFinite(value) ? String(value) : 'null'; + + case 'boolean': + case 'null': + +// If the value is a boolean or null, convert it to a string. Note: +// typeof null does not produce 'null'. The case is included here in +// the remote chance that this gets fixed someday. + + return String(value); + +// If the type is 'object', we might be dealing with an object or an array or +// null. + + case 'object': + +// Due to a specification blunder in ECMAScript, typeof null is 'object', +// so watch out for that case. + + if (!value) { + return 'null'; + } + +// Make an array to hold the partial results of stringifying this object value. + + gap += indent; + partial = []; + +// Is the value an array? + + if (Object.prototype.toString.apply(value) === '[object Array]') { + +// The value is an array. Stringify every element. Use null as a placeholder +// for non-JSON values. + + length = value.length; + for (i = 0; i < length; i += 1) { + partial[i] = str(i, value) || 'null'; + } + +// Join all of the elements together, separated with commas, and wrap them in +// brackets. + + v = partial.length === 0 ? '[]' : gap ? + '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']' : + '[' + partial.join(',') + ']'; + gap = mind; + return v; + } + +// If the replacer is an array, use it to select the members to be stringified. + + if (rep && typeof rep === 'object') { + length = rep.length; + for (i = 0; i < length; i += 1) { + if (typeof rep[i] === 'string') { + k = rep[i]; + v = str(k, value); + if (v) { + partial.push(quote(k) + (gap ? ': ' : ':') + v); + } + } + } + } else { + +// Otherwise, iterate through all of the keys in the object. + + for (k in value) { + if (Object.prototype.hasOwnProperty.call(value, k)) { + v = str(k, value); + if (v) { + partial.push(quote(k) + (gap ? ': ' : ':') + v); + } + } + } + } + +// Join all of the member texts together, separated with commas, +// and wrap them in braces. + + v = partial.length === 0 ? '{}' : gap ? + '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}' : + '{' + partial.join(',') + '}'; + gap = mind; + return v; + } + } + +// If the JSON object does not yet have a stringify method, give it one. + + JSON.stringify = function (value, replacer, space) { + +// The stringify method takes a value and an optional replacer, and an optional +// space parameter, and returns a JSON text. The replacer can be a function +// that can replace values, or an array of strings that will select the keys. +// A default replacer method can be provided. Use of the space parameter can +// produce text that is more easily readable. + + var i; + gap = ''; + indent = ''; + +// If the space parameter is a number, make an indent string containing that +// many spaces. + + if (typeof space === 'number') { + for (i = 0; i < space; i += 1) { + indent += ' '; + } + +// If the space parameter is a string, it will be used as the indent string. + + } else if (typeof space === 'string') { + indent = space; + } + +// If there is a replacer, it must be a function or an array. +// Otherwise, throw an error. + + rep = replacer; + if (replacer && typeof replacer !== 'function' && + (typeof replacer !== 'object' || + typeof replacer.length !== 'number')) { + throw new Error('JSON.stringify'); + } + +// Make a fake root object containing our value under the key of ''. +// Return the result of stringifying the value. + + return str('', {'': value}); + }; + +// If the JSON object does not yet have a parse method, give it one. + + JSON.parse = function (text, reviver) { + // The parse method takes a text and an optional reviver function, and returns + // a JavaScript value if the text is a valid JSON text. + + var j; + + function walk(holder, key) { + + // The walk method is used to recursively walk the resulting structure so + // that modifications can be made. + + var k, v, value = holder[key]; + if (value && typeof value === 'object') { + for (k in value) { + if (Object.prototype.hasOwnProperty.call(value, k)) { + v = walk(value, k); + if (v !== undefined) { + value[k] = v; + } else { + delete value[k]; + } + } + } + } + return reviver.call(holder, key, value); + } + + + // Parsing happens in four stages. In the first stage, we replace certain + // Unicode characters with escape sequences. JavaScript handles many characters + // incorrectly, either silently deleting them, or treating them as line endings. + + text = String(text); + cx.lastIndex = 0; + if (cx.test(text)) { + text = text.replace(cx, function (a) { + return '\\u' + + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); + }); + } + + // In the second stage, we run the text against regular expressions that look + // for non-JSON patterns. We are especially concerned with '()' and 'new' + // because they can cause invocation, and '=' because it can cause mutation. + // But just to be safe, we want to reject all unexpected forms. + + // We split the second stage into 4 regexp operations in order to work around + // crippling inefficiencies in IE's and Safari's regexp engines. First we + // replace the JSON backslash pairs with '@' (a non-JSON character). Second, we + // replace all simple value tokens with ']' characters. Third, we delete all + // open brackets that follow a colon or comma or that begin the text. Finally, + // we look to see that the remaining characters are only whitespace or ']' or + // ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval. + + if (/^[\],:{}\s]*$/ + .test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@') + .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']') + .replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) { + + // In the third stage we use the eval function to compile the text into a + // JavaScript structure. The '{' operator is subject to a syntactic ambiguity + // in JavaScript: it can begin a block or an object literal. We wrap the text + // in parens to eliminate the ambiguity. + + j = eval('(' + text + ')'); + + // In the optional fourth stage, we recursively walk the new structure, passing + // each name/value pair to a reviver function for possible transformation. + + return typeof reviver === 'function' ? + walk({'': j}, '') : j; + } + + // If the text is not JSON parseable, then a SyntaxError is thrown. + + throw new SyntaxError('JSON.parse'); + }; + +})( + 'undefined' != typeof io ? io : module.exports + , typeof JSON !== 'undefined' ? JSON : undefined +); + +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io) { + + /** + * Parser namespace. + * + * @namespace + */ + + var parser = exports.parser = {}; + + /** + * Packet types. + */ + + var packets = parser.packets = [ + 'disconnect' + , 'connect' + , 'heartbeat' + , 'message' + , 'json' + , 'event' + , 'ack' + , 'error' + , 'noop' + ]; + + /** + * Errors reasons. + */ + + var reasons = parser.reasons = [ + 'transport not supported' + , 'client not handshaken' + , 'unauthorized' + ]; + + /** + * Errors advice. + */ + + var advice = parser.advice = [ + 'reconnect' + ]; + + /** + * Shortcuts. + */ + + var JSON = io.JSON + , indexOf = io.util.indexOf; + + /** + * Encodes a packet. + * + * @api private + */ + + parser.encodePacket = function (packet) { + var type = indexOf(packets, packet.type) + , id = packet.id || '' + , endpoint = packet.endpoint || '' + , ack = packet.ack + , data = null; + + switch (packet.type) { + case 'error': + var reason = packet.reason ? indexOf(reasons, packet.reason) : '' + , adv = packet.advice ? indexOf(advice, packet.advice) : ''; + + if (reason !== '' || adv !== '') + data = reason + (adv !== '' ? ('+' + adv) : ''); + + break; + + case 'message': + if (packet.data !== '') + data = packet.data; + break; + + case 'event': + var ev = { name: packet.name }; + + if (packet.args && packet.args.length) { + ev.args = packet.args; + } + + data = JSON.stringify(ev); + break; + + case 'json': + data = JSON.stringify(packet.data); + break; + + case 'connect': + if (packet.qs) + data = packet.qs; + break; + + case 'ack': + data = packet.ackId + + (packet.args && packet.args.length + ? '+' + JSON.stringify(packet.args) : ''); + break; + } + + // construct packet with required fragments + var encoded = [ + type + , id + (ack == 'data' ? '+' : '') + , endpoint + ]; + + // data fragment is optional + if (data !== null && data !== undefined) + encoded.push(data); + + return encoded.join(':'); + }; + + /** + * Encodes multiple messages (payload). + * + * @param {Array} messages + * @api private + */ + + parser.encodePayload = function (packets) { + var decoded = ''; + + if (packets.length == 1) + return packets[0]; + + for (var i = 0, l = packets.length; i < l; i++) { + var packet = packets[i]; + decoded += '\ufffd' + packet.length + '\ufffd' + packets[i]; + } + + return decoded; + }; + + /** + * Decodes a packet + * + * @api private + */ + + var regexp = /([^:]+):([0-9]+)?(\+)?:([^:]+)?:?([\s\S]*)?/; + + parser.decodePacket = function (data) { + var pieces = data.match(regexp); + + if (!pieces) return {}; + + var id = pieces[2] || '' + , data = pieces[5] || '' + , packet = { + type: packets[pieces[1]] + , endpoint: pieces[4] || '' + }; + + // whether we need to acknowledge the packet + if (id) { + packet.id = id; + if (pieces[3]) + packet.ack = 'data'; + else + packet.ack = true; + } + + // handle different packet types + switch (packet.type) { + case 'error': + var pieces = data.split('+'); + packet.reason = reasons[pieces[0]] || ''; + packet.advice = advice[pieces[1]] || ''; + break; + + case 'message': + packet.data = data || ''; + break; + + case 'event': + try { + var opts = JSON.parse(data); + packet.name = opts.name; + packet.args = opts.args; + } catch (e) { } + + packet.args = packet.args || []; + break; + + case 'json': + try { + packet.data = JSON.parse(data); + } catch (e) { } + break; + + case 'connect': + packet.qs = data || ''; + break; + + case 'ack': + var pieces = data.match(/^([0-9]+)(\+)?(.*)/); + if (pieces) { + packet.ackId = pieces[1]; + packet.args = []; + + if (pieces[3]) { + try { + packet.args = pieces[3] ? JSON.parse(pieces[3]) : []; + } catch (e) { } + } + } + break; + + case 'disconnect': + case 'heartbeat': + break; + }; + + return packet; + }; + + /** + * Decodes data payload. Detects multiple messages + * + * @return {Array} messages + * @api public + */ + + parser.decodePayload = function (data) { + // IE doesn't like data[i] for unicode chars, charAt works fine + if (data.charAt(0) == '\ufffd') { + var ret = []; + + for (var i = 1, length = ''; i < data.length; i++) { + if (data.charAt(i) == '\ufffd') { + ret.push(parser.decodePacket(data.substr(i + 1).substr(0, length))); + i += Number(length) + 1; + length = ''; + } else { + length += data.charAt(i); + } + } + + return ret; + } else { + return [parser.decodePacket(data)]; + } + }; + +})( + 'undefined' != typeof io ? io : module.exports + , 'undefined' != typeof io ? io : module.parent.exports +); +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io) { + + /** + * Expose constructor. + */ + + exports.Transport = Transport; + + /** + * This is the transport template for all supported transport methods. + * + * @constructor + * @api public + */ + + function Transport (socket, sessid) { + this.socket = socket; + this.sessid = sessid; + }; + + /** + * Apply EventEmitter mixin. + */ + + io.util.mixin(Transport, io.EventEmitter); + + + /** + * Indicates whether heartbeats is enabled for this transport + * + * @api private + */ + + Transport.prototype.heartbeats = function () { + return true; + }; + + /** + * Handles the response from the server. When a new response is received + * it will automatically update the timeout, decode the message and + * forwards the response to the onMessage function for further processing. + * + * @param {String} data Response from the server. + * @api private + */ + + Transport.prototype.onData = function (data) { + this.clearCloseTimeout(); + + // If the connection in currently open (or in a reopening state) reset the close + // timeout since we have just received data. This check is necessary so + // that we don't reset the timeout on an explicitly disconnected connection. + if (this.socket.connected || this.socket.connecting || this.socket.reconnecting) { + this.setCloseTimeout(); + } + + if (data !== '') { + // todo: we should only do decodePayload for xhr transports + var msgs = io.parser.decodePayload(data); + + if (msgs && msgs.length) { + for (var i = 0, l = msgs.length; i < l; i++) { + this.onPacket(msgs[i]); + } + } + } + + return this; + }; + + /** + * Handles packets. + * + * @api private + */ + + Transport.prototype.onPacket = function (packet) { + this.socket.setHeartbeatTimeout(); + + if (packet.type == 'heartbeat') { + return this.onHeartbeat(); + } + + if (packet.type == 'connect' && packet.endpoint == '') { + this.onConnect(); + } + + if (packet.type == 'error' && packet.advice == 'reconnect') { + this.isOpen = false; + } + + this.socket.onPacket(packet); + + return this; + }; + + /** + * Sets close timeout + * + * @api private + */ + + Transport.prototype.setCloseTimeout = function () { + if (!this.closeTimeout) { + var self = this; + + this.closeTimeout = setTimeout(function () { + self.onDisconnect(); + }, this.socket.closeTimeout); + } + }; + + /** + * Called when transport disconnects. + * + * @api private + */ + + Transport.prototype.onDisconnect = function () { + if (this.isOpen) this.close(); + this.clearTimeouts(); + this.socket.onDisconnect(); + return this; + }; + + /** + * Called when transport connects + * + * @api private + */ + + Transport.prototype.onConnect = function () { + this.socket.onConnect(); + return this; + }; + + /** + * Clears close timeout + * + * @api private + */ + + Transport.prototype.clearCloseTimeout = function () { + if (this.closeTimeout) { + clearTimeout(this.closeTimeout); + this.closeTimeout = null; + } + }; + + /** + * Clear timeouts + * + * @api private + */ + + Transport.prototype.clearTimeouts = function () { + this.clearCloseTimeout(); + + if (this.reopenTimeout) { + clearTimeout(this.reopenTimeout); + } + }; + + /** + * Sends a packet + * + * @param {Object} packet object. + * @api private + */ + + Transport.prototype.packet = function (packet) { + this.send(io.parser.encodePacket(packet)); + }; + + /** + * Send the received heartbeat message back to server. So the server + * knows we are still connected. + * + * @param {String} heartbeat Heartbeat response from the server. + * @api private + */ + + Transport.prototype.onHeartbeat = function (heartbeat) { + this.packet({ type: 'heartbeat' }); + }; + + /** + * Called when the transport opens. + * + * @api private + */ + + Transport.prototype.onOpen = function () { + this.isOpen = true; + this.clearCloseTimeout(); + this.socket.onOpen(); + }; + + /** + * Notifies the base when the connection with the Socket.IO server + * has been disconnected. + * + * @api private + */ + + Transport.prototype.onClose = function () { + var self = this; + + /* FIXME: reopen delay causing a infinit loop + this.reopenTimeout = setTimeout(function () { + self.open(); + }, this.socket.options['reopen delay']);*/ + + this.isOpen = false; + this.socket.onClose(); + this.onDisconnect(); + }; + + /** + * Generates a connection url based on the Socket.IO URL Protocol. + * See for more details. + * + * @returns {String} Connection url + * @api private + */ + + Transport.prototype.prepareUrl = function () { + var options = this.socket.options; + + return this.scheme() + '://' + + options.host + ':' + options.port + '/' + + options.resource + '/' + io.protocol + + '/' + this.name + '/' + this.sessid; + }; + + /** + * Checks if the transport is ready to start a connection. + * + * @param {Socket} socket The socket instance that needs a transport + * @param {Function} fn The callback + * @api private + */ + + Transport.prototype.ready = function (socket, fn) { + fn.call(this); + }; +})( + 'undefined' != typeof io ? io : module.exports + , 'undefined' != typeof io ? io : module.parent.exports +); +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io, global) { + + /** + * Expose constructor. + */ + + exports.Socket = Socket; + + /** + * Create a new `Socket.IO client` which can establish a persistent + * connection with a Socket.IO enabled server. + * + * @api public + */ + + function Socket (options) { + this.options = { + port: 80 + , secure: false + , document: 'document' in global ? document : false + , resource: 'socket.io' + , transports: io.transports + , 'connect timeout': 10000 + , 'try multiple transports': true + , 'reconnect': true + , 'reconnection delay': 500 + , 'reconnection limit': Infinity + , 'reopen delay': 3000 + , 'max reconnection attempts': 10 + , 'sync disconnect on unload': false + , 'auto connect': true + , 'flash policy port': 10843 + , 'manualFlush': false + }; + + io.util.merge(this.options, options); + + this.connected = false; + this.open = false; + this.connecting = false; + this.reconnecting = false; + this.namespaces = {}; + this.buffer = []; + this.doBuffer = false; + + if (this.options['sync disconnect on unload'] && + (!this.isXDomain() || io.util.ua.hasCORS)) { + var self = this; + io.util.on(global, 'beforeunload', function () { + self.disconnectSync(); + }, false); + } + + if (this.options['auto connect']) { + this.connect(); + } +}; + + /** + * Apply EventEmitter mixin. + */ + + io.util.mixin(Socket, io.EventEmitter); + + /** + * Returns a namespace listener/emitter for this socket + * + * @api public + */ + + Socket.prototype.of = function (name) { + if (!this.namespaces[name]) { + this.namespaces[name] = new io.SocketNamespace(this, name); + + if (name !== '') { + this.namespaces[name].packet({ type: 'connect' }); + } + } + + return this.namespaces[name]; + }; + + /** + * Emits the given event to the Socket and all namespaces + * + * @api private + */ + + Socket.prototype.publish = function () { + this.emit.apply(this, arguments); + + var nsp; + + for (var i in this.namespaces) { + if (this.namespaces.hasOwnProperty(i)) { + nsp = this.of(i); + nsp.$emit.apply(nsp, arguments); + } + } + }; + + /** + * Performs the handshake + * + * @api private + */ + + function empty () { }; + + Socket.prototype.handshake = function (fn) { + var self = this + , options = this.options; + + function complete (data) { + if (data instanceof Error) { + self.connecting = false; + self.onError(data.message); + } else { + fn.apply(null, data.split(':')); + } + }; + + var url = [ + 'http' + (options.secure ? 's' : '') + ':/' + , options.host + ':' + options.port + , options.resource + , io.protocol + , io.util.query(this.options.query, 't=' + +new Date) + ].join('/'); + + if (this.isXDomain() && !io.util.ua.hasCORS) { + var insertAt = document.getElementsByTagName('script')[0] + , script = document.createElement('script'); + + script.src = url + '&jsonp=' + io.j.length; + insertAt.parentNode.insertBefore(script, insertAt); + + io.j.push(function (data) { + complete(data); + script.parentNode.removeChild(script); + }); + } else { + var xhr = io.util.request(); + + xhr.open('GET', url, true); + if (this.isXDomain()) { + xhr.withCredentials = true; + } + xhr.onreadystatechange = function () { + if (xhr.readyState == 4) { + xhr.onreadystatechange = empty; + + if (xhr.status == 200) { + complete(xhr.responseText); + } else if (xhr.status == 403) { + self.onError(xhr.responseText); + } else { + self.connecting = false; + !self.reconnecting && self.onError(xhr.responseText); + } + } + }; + xhr.send(null); + } + }; + + /** + * Find an available transport based on the options supplied in the constructor. + * + * @api private + */ + + Socket.prototype.getTransport = function (override) { + var transports = override || this.transports, match; + + for (var i = 0, transport; transport = transports[i]; i++) { + if (io.Transport[transport] + && io.Transport[transport].check(this) + && (!this.isXDomain() || io.Transport[transport].xdomainCheck(this))) { + return new io.Transport[transport](this, this.sessionid); + } + } + + return null; + }; + + /** + * Connects to the server. + * + * @param {Function} [fn] Callback. + * @returns {io.Socket} + * @api public + */ + + Socket.prototype.connect = function (fn) { + if (this.connecting) { + return this; + } + + var self = this; + self.connecting = true; + + this.handshake(function (sid, heartbeat, close, transports) { + self.sessionid = sid; + self.closeTimeout = close * 1000; + self.heartbeatTimeout = heartbeat * 1000; + if(!self.transports) + self.transports = self.origTransports = (transports ? io.util.intersect( + transports.split(',') + , self.options.transports + ) : self.options.transports); + + self.setHeartbeatTimeout(); + + function connect (transports){ + if (self.transport) self.transport.clearTimeouts(); + + self.transport = self.getTransport(transports); + if (!self.transport) return self.publish('connect_failed'); + + // once the transport is ready + self.transport.ready(self, function () { + self.connecting = true; + self.publish('connecting', self.transport.name); + self.transport.open(); + + if (self.options['connect timeout']) { + self.connectTimeoutTimer = setTimeout(function () { + if (!self.connected) { + self.connecting = false; + + if (self.options['try multiple transports']) { + var remaining = self.transports; + + while (remaining.length > 0 && remaining.splice(0,1)[0] != + self.transport.name) {} + + if (remaining.length){ + connect(remaining); + } else { + self.publish('connect_failed'); + } + } + } + }, self.options['connect timeout']); + } + }); + } + + connect(self.transports); + + self.once('connect', function (){ + clearTimeout(self.connectTimeoutTimer); + + fn && typeof fn == 'function' && fn(); + }); + }); + + return this; + }; + + /** + * Clears and sets a new heartbeat timeout using the value given by the + * server during the handshake. + * + * @api private + */ + + Socket.prototype.setHeartbeatTimeout = function () { + clearTimeout(this.heartbeatTimeoutTimer); + if(this.transport && !this.transport.heartbeats()) return; + + var self = this; + this.heartbeatTimeoutTimer = setTimeout(function () { + self.transport.onClose(); + }, this.heartbeatTimeout); + }; + + /** + * Sends a message. + * + * @param {Object} data packet. + * @returns {io.Socket} + * @api public + */ + + Socket.prototype.packet = function (data) { + if (this.connected && !this.doBuffer) { + this.transport.packet(data); + } else { + this.buffer.push(data); + } + + return this; + }; + + /** + * Sets buffer state + * + * @api private + */ + + Socket.prototype.setBuffer = function (v) { + this.doBuffer = v; + + if (!v && this.connected && this.buffer.length) { + if (!this.options['manualFlush']) { + this.flushBuffer(); + } + } + }; + + /** + * Flushes the buffer data over the wire. + * To be invoked manually when 'manualFlush' is set to true. + * + * @api public + */ + + Socket.prototype.flushBuffer = function() { + this.transport.payload(this.buffer); + this.buffer = []; + }; + + + /** + * Disconnect the established connect. + * + * @returns {io.Socket} + * @api public + */ + + Socket.prototype.disconnect = function () { + if (this.connected || this.connecting) { + if (this.open) { + this.of('').packet({ type: 'disconnect' }); + } + + // handle disconnection immediately + this.onDisconnect('booted'); + } + + return this; + }; + + /** + * Disconnects the socket with a sync XHR. + * + * @api private + */ + + Socket.prototype.disconnectSync = function () { + // ensure disconnection + var xhr = io.util.request(); + var uri = [ + 'http' + (this.options.secure ? 's' : '') + ':/' + , this.options.host + ':' + this.options.port + , this.options.resource + , io.protocol + , '' + , this.sessionid + ].join('/') + '/?disconnect=1'; + + xhr.open('GET', uri, false); + xhr.send(null); + + // handle disconnection immediately + this.onDisconnect('booted'); + }; + + /** + * Check if we need to use cross domain enabled transports. Cross domain would + * be a different port or different domain name. + * + * @returns {Boolean} + * @api private + */ + + Socket.prototype.isXDomain = function () { + + var port = global.location.port || + ('https:' == global.location.protocol ? 443 : 80); + + return this.options.host !== global.location.hostname + || this.options.port != port; + }; + + /** + * Called upon handshake. + * + * @api private + */ + + Socket.prototype.onConnect = function () { + if (!this.connected) { + this.connected = true; + this.connecting = false; + if (!this.doBuffer) { + // make sure to flush the buffer + this.setBuffer(false); + } + this.emit('connect'); + } + }; + + /** + * Called when the transport opens + * + * @api private + */ + + Socket.prototype.onOpen = function () { + this.open = true; + }; + + /** + * Called when the transport closes. + * + * @api private + */ + + Socket.prototype.onClose = function () { + this.open = false; + clearTimeout(this.heartbeatTimeoutTimer); + }; + + /** + * Called when the transport first opens a connection + * + * @param text + */ + + Socket.prototype.onPacket = function (packet) { + this.of(packet.endpoint).onPacket(packet); + }; + + /** + * Handles an error. + * + * @api private + */ + + Socket.prototype.onError = function (err) { + if (err && err.advice) { + if (err.advice === 'reconnect' && (this.connected || this.connecting)) { + this.disconnect(); + if (this.options.reconnect) { + this.reconnect(); + } + } + } + + this.publish('error', err && err.reason ? err.reason : err); + }; + + /** + * Called when the transport disconnects. + * + * @api private + */ + + Socket.prototype.onDisconnect = function (reason) { + var wasConnected = this.connected + , wasConnecting = this.connecting; + + this.connected = false; + this.connecting = false; + this.open = false; + + if (wasConnected || wasConnecting) { + this.transport.close(); + this.transport.clearTimeouts(); + if (wasConnected) { + this.publish('disconnect', reason); + + if ('booted' != reason && this.options.reconnect && !this.reconnecting) { + this.reconnect(); + } + } + } + }; + + /** + * Called upon reconnection. + * + * @api private + */ + + Socket.prototype.reconnect = function () { + this.reconnecting = true; + this.reconnectionAttempts = 0; + this.reconnectionDelay = this.options['reconnection delay']; + + var self = this + , maxAttempts = this.options['max reconnection attempts'] + , tryMultiple = this.options['try multiple transports'] + , limit = this.options['reconnection limit']; + + function reset () { + if (self.connected) { + for (var i in self.namespaces) { + if (self.namespaces.hasOwnProperty(i) && '' !== i) { + self.namespaces[i].packet({ type: 'connect' }); + } + } + self.publish('reconnect', self.transport.name, self.reconnectionAttempts); + } + + clearTimeout(self.reconnectionTimer); + + self.removeListener('connect_failed', maybeReconnect); + self.removeListener('connect', maybeReconnect); + + self.reconnecting = false; + + delete self.reconnectionAttempts; + delete self.reconnectionDelay; + delete self.reconnectionTimer; + delete self.redoTransports; + + self.options['try multiple transports'] = tryMultiple; + }; + + function maybeReconnect () { + if (!self.reconnecting) { + return; + } + + if (self.connected) { + return reset(); + }; + + if (self.connecting && self.reconnecting) { + return self.reconnectionTimer = setTimeout(maybeReconnect, 1000); + } + + if (self.reconnectionAttempts++ >= maxAttempts) { + if (!self.redoTransports) { + self.on('connect_failed', maybeReconnect); + self.options['try multiple transports'] = true; + self.transports = self.origTransports; + self.transport = self.getTransport(); + self.redoTransports = true; + self.connect(); + } else { + self.publish('reconnect_failed'); + reset(); + } + } else { + if (self.reconnectionDelay < limit) { + self.reconnectionDelay *= 2; // exponential back off + } + + self.connect(); + self.publish('reconnecting', self.reconnectionDelay, self.reconnectionAttempts); + self.reconnectionTimer = setTimeout(maybeReconnect, self.reconnectionDelay); + } + }; + + this.options['try multiple transports'] = false; + this.reconnectionTimer = setTimeout(maybeReconnect, this.reconnectionDelay); + + this.on('connect', maybeReconnect); + }; + +})( + 'undefined' != typeof io ? io : module.exports + , 'undefined' != typeof io ? io : module.parent.exports + , this +); +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io) { + + /** + * Expose constructor. + */ + + exports.SocketNamespace = SocketNamespace; + + /** + * Socket namespace constructor. + * + * @constructor + * @api public + */ + + function SocketNamespace (socket, name) { + this.socket = socket; + this.name = name || ''; + this.flags = {}; + this.json = new Flag(this, 'json'); + this.ackPackets = 0; + this.acks = {}; + }; + + /** + * Apply EventEmitter mixin. + */ + + io.util.mixin(SocketNamespace, io.EventEmitter); + + /** + * Copies emit since we override it + * + * @api private + */ + + SocketNamespace.prototype.$emit = io.EventEmitter.prototype.emit; + + /** + * Creates a new namespace, by proxying the request to the socket. This + * allows us to use the synax as we do on the server. + * + * @api public + */ + + SocketNamespace.prototype.of = function () { + return this.socket.of.apply(this.socket, arguments); + }; + + /** + * Sends a packet. + * + * @api private + */ + + SocketNamespace.prototype.packet = function (packet) { + packet.endpoint = this.name; + this.socket.packet(packet); + this.flags = {}; + return this; + }; + + /** + * Sends a message + * + * @api public + */ + + SocketNamespace.prototype.send = function (data, fn) { + var packet = { + type: this.flags.json ? 'json' : 'message' + , data: data + }; + + if ('function' == typeof fn) { + packet.id = ++this.ackPackets; + packet.ack = true; + this.acks[packet.id] = fn; + } + + return this.packet(packet); + }; + + /** + * Emits an event + * + * @api public + */ + + SocketNamespace.prototype.emit = function (name) { + var args = Array.prototype.slice.call(arguments, 1) + , lastArg = args[args.length - 1] + , packet = { + type: 'event' + , name: name + }; + + if ('function' == typeof lastArg) { + packet.id = ++this.ackPackets; + packet.ack = 'data'; + this.acks[packet.id] = lastArg; + args = args.slice(0, args.length - 1); + } + + packet.args = args; + + return this.packet(packet); + }; + + /** + * Disconnects the namespace + * + * @api private + */ + + SocketNamespace.prototype.disconnect = function () { + if (this.name === '') { + this.socket.disconnect(); + } else { + this.packet({ type: 'disconnect' }); + this.$emit('disconnect'); + } + + return this; + }; + + /** + * Handles a packet + * + * @api private + */ + + SocketNamespace.prototype.onPacket = function (packet) { + var self = this; + + function ack () { + self.packet({ + type: 'ack' + , args: io.util.toArray(arguments) + , ackId: packet.id + }); + }; + + switch (packet.type) { + case 'connect': + this.$emit('connect'); + break; + + case 'disconnect': + if (this.name === '') { + this.socket.onDisconnect(packet.reason || 'booted'); + } else { + this.$emit('disconnect', packet.reason); + } + break; + + case 'message': + case 'json': + var params = ['message', packet.data]; + + if (packet.ack == 'data') { + params.push(ack); + } else if (packet.ack) { + this.packet({ type: 'ack', ackId: packet.id }); + } + + this.$emit.apply(this, params); + break; + + case 'event': + var params = [packet.name].concat(packet.args); + + if (packet.ack == 'data') + params.push(ack); + + this.$emit.apply(this, params); + break; + + case 'ack': + if (this.acks[packet.ackId]) { + this.acks[packet.ackId].apply(this, packet.args); + delete this.acks[packet.ackId]; + } + break; + + case 'error': + if (packet.advice){ + this.socket.onError(packet); + } else { + if (packet.reason == 'unauthorized') { + this.$emit('connect_failed', packet.reason); + } else { + this.$emit('error', packet.reason); + } + } + break; + } + }; + + /** + * Flag interface. + * + * @api private + */ + + function Flag (nsp, name) { + this.namespace = nsp; + this.name = name; + }; + + /** + * Send a message + * + * @api public + */ + + Flag.prototype.send = function () { + this.namespace.flags[this.name] = true; + this.namespace.send.apply(this.namespace, arguments); + }; + + /** + * Emit an event + * + * @api public + */ + + Flag.prototype.emit = function () { + this.namespace.flags[this.name] = true; + this.namespace.emit.apply(this.namespace, arguments); + }; + +})( + 'undefined' != typeof io ? io : module.exports + , 'undefined' != typeof io ? io : module.parent.exports +); + +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io, global) { + + /** + * Expose constructor. + */ + + exports.websocket = WS; + + /** + * The WebSocket transport uses the HTML5 WebSocket API to establish an + * persistent connection with the Socket.IO server. This transport will also + * be inherited by the FlashSocket fallback as it provides a API compatible + * polyfill for the WebSockets. + * + * @constructor + * @extends {io.Transport} + * @api public + */ + + function WS (socket) { + io.Transport.apply(this, arguments); + }; + + /** + * Inherits from Transport. + */ + + io.util.inherit(WS, io.Transport); + + /** + * Transport name + * + * @api public + */ + + WS.prototype.name = 'websocket'; + + /** + * Initializes a new `WebSocket` connection with the Socket.IO server. We attach + * all the appropriate listeners to handle the responses from the server. + * + * @returns {Transport} + * @api public + */ + + WS.prototype.open = function () { + var query = io.util.query(this.socket.options.query) + , self = this + , Socket + + + if (!Socket) { + Socket = global.MozWebSocket || global.WebSocket; + } + + this.websocket = new Socket(this.prepareUrl() + query); + + this.websocket.onopen = function () { + self.onOpen(); + self.socket.setBuffer(false); + }; + this.websocket.onmessage = function (ev) { + self.onData(ev.data); + }; + this.websocket.onclose = function () { + self.onClose(); + self.socket.setBuffer(true); + }; + this.websocket.onerror = function (e) { + self.onError(e); + }; + + return this; + }; + + /** + * Send a message to the Socket.IO server. The message will automatically be + * encoded in the correct message format. + * + * @returns {Transport} + * @api public + */ + + // Do to a bug in the current IDevices browser, we need to wrap the send in a + // setTimeout, when they resume from sleeping the browser will crash if + // we don't allow the browser time to detect the socket has been closed + if (io.util.ua.iDevice) { + WS.prototype.send = function (data) { + var self = this; + setTimeout(function() { + self.websocket.send(data); + },0); + return this; + }; + } else { + WS.prototype.send = function (data) { + this.websocket.send(data); + return this; + }; + } + + /** + * Payload + * + * @api private + */ + + WS.prototype.payload = function (arr) { + for (var i = 0, l = arr.length; i < l; i++) { + this.packet(arr[i]); + } + return this; + }; + + /** + * Disconnect the established `WebSocket` connection. + * + * @returns {Transport} + * @api public + */ + + WS.prototype.close = function () { + this.websocket.close(); + return this; + }; + + /** + * Handle the errors that `WebSocket` might be giving when we + * are attempting to connect or send messages. + * + * @param {Error} e The error. + * @api private + */ + + WS.prototype.onError = function (e) { + this.socket.onError(e); + }; + + /** + * Returns the appropriate scheme for the URI generation. + * + * @api private + */ + WS.prototype.scheme = function () { + return this.socket.options.secure ? 'wss' : 'ws'; + }; + + /** + * Checks if the browser has support for native `WebSockets` and that + * it's not the polyfill created for the FlashSocket transport. + * + * @return {Boolean} + * @api public + */ + + WS.check = function () { + return ('WebSocket' in global && !('__addTask' in WebSocket)) + || 'MozWebSocket' in global; + }; + + /** + * Check if the `WebSocket` transport support cross domain communications. + * + * @returns {Boolean} + * @api public + */ + + WS.xdomainCheck = function () { + return true; + }; + + /** + * Add the transport to your public io.transports array. + * + * @api private + */ + + io.transports.push('websocket'); + +})( + 'undefined' != typeof io ? io.Transport : module.exports + , 'undefined' != typeof io ? io : module.parent.exports + , this +); + +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io) { + + /** + * Expose constructor. + */ + + exports.flashsocket = Flashsocket; + + /** + * The FlashSocket transport. This is a API wrapper for the HTML5 WebSocket + * specification. It uses a .swf file to communicate with the server. If you want + * to serve the .swf file from a other server than where the Socket.IO script is + * coming from you need to use the insecure version of the .swf. More information + * about this can be found on the github page. + * + * @constructor + * @extends {io.Transport.websocket} + * @api public + */ + + function Flashsocket () { + io.Transport.websocket.apply(this, arguments); + }; + + /** + * Inherits from Transport. + */ + + io.util.inherit(Flashsocket, io.Transport.websocket); + + /** + * Transport name + * + * @api public + */ + + Flashsocket.prototype.name = 'flashsocket'; + + /** + * Disconnect the established `FlashSocket` connection. This is done by adding a + * new task to the FlashSocket. The rest will be handled off by the `WebSocket` + * transport. + * + * @returns {Transport} + * @api public + */ + + Flashsocket.prototype.open = function () { + var self = this + , args = arguments; + + WebSocket.__addTask(function () { + io.Transport.websocket.prototype.open.apply(self, args); + }); + return this; + }; + + /** + * Sends a message to the Socket.IO server. This is done by adding a new + * task to the FlashSocket. The rest will be handled off by the `WebSocket` + * transport. + * + * @returns {Transport} + * @api public + */ + + Flashsocket.prototype.send = function () { + var self = this, args = arguments; + WebSocket.__addTask(function () { + io.Transport.websocket.prototype.send.apply(self, args); + }); + return this; + }; + + /** + * Disconnects the established `FlashSocket` connection. + * + * @returns {Transport} + * @api public + */ + + Flashsocket.prototype.close = function () { + WebSocket.__tasks.length = 0; + io.Transport.websocket.prototype.close.call(this); + return this; + }; + + /** + * The WebSocket fall back needs to append the flash container to the body + * element, so we need to make sure we have access to it. Or defer the call + * until we are sure there is a body element. + * + * @param {Socket} socket The socket instance that needs a transport + * @param {Function} fn The callback + * @api private + */ + + Flashsocket.prototype.ready = function (socket, fn) { + function init () { + var options = socket.options + , port = options['flash policy port'] + , path = [ + 'http' + (options.secure ? 's' : '') + ':/' + , options.host + ':' + options.port + , options.resource + , 'static/flashsocket' + , 'WebSocketMain' + (socket.isXDomain() ? 'Insecure' : '') + '.swf' + ]; + + // Only start downloading the swf file when the checked that this browser + // actually supports it + if (!Flashsocket.loaded) { + if (typeof WEB_SOCKET_SWF_LOCATION === 'undefined') { + // Set the correct file based on the XDomain settings + WEB_SOCKET_SWF_LOCATION = path.join('/'); + } + + if (port !== 843) { + WebSocket.loadFlashPolicyFile('xmlsocket://' + options.host + ':' + port); + } + + WebSocket.__initialize(); + Flashsocket.loaded = true; + } + + fn.call(self); + } + + var self = this; + if (document.body) return init(); + + io.util.load(init); + }; + + /** + * Check if the FlashSocket transport is supported as it requires that the Adobe + * Flash Player plug-in version `10.0.0` or greater is installed. And also check if + * the polyfill is correctly loaded. + * + * @returns {Boolean} + * @api public + */ + + Flashsocket.check = function () { + if ( + typeof WebSocket == 'undefined' + || !('__initialize' in WebSocket) || !swfobject + ) return false; + + return swfobject.getFlashPlayerVersion().major >= 10; + }; + + /** + * Check if the FlashSocket transport can be used as cross domain / cross origin + * transport. Because we can't see which type (secure or insecure) of .swf is used + * we will just return true. + * + * @returns {Boolean} + * @api public + */ + + Flashsocket.xdomainCheck = function () { + return true; + }; + + /** + * Disable AUTO_INITIALIZATION + */ + + if (typeof window != 'undefined') { + WEB_SOCKET_DISABLE_AUTO_INITIALIZATION = true; + } + + /** + * Add the transport to your public io.transports array. + * + * @api private + */ + + io.transports.push('flashsocket'); +})( + 'undefined' != typeof io ? io.Transport : module.exports + , 'undefined' != typeof io ? io : module.parent.exports +); +/* SWFObject v2.2 + is released under the MIT License +*/ +if ('undefined' != typeof window) { +var swfobject=function(){var D="undefined",r="object",S="Shockwave 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+(function() { + + if ('undefined' == typeof window || window.WebSocket) return; + + var console = window.console; + if (!console || !console.log || !console.error) { + console = {log: function(){ }, error: function(){ }}; + } + + if (!swfobject.hasFlashPlayerVersion("10.0.0")) { + console.error("Flash Player >= 10.0.0 is required."); + return; + } + if (location.protocol == "file:") { + console.error( + "WARNING: web-socket-js doesn't work in file:///... URL " + + "unless you set Flash Security Settings properly. " + + "Open the page via Web server i.e. http://..."); + } + + /** + * This class represents a faux web socket. + * @param {string} url + * @param {array or string} protocols + * @param {string} proxyHost + * @param {int} proxyPort + * @param {string} headers + */ + WebSocket = function(url, protocols, proxyHost, proxyPort, headers) { + var self = this; + self.__id = WebSocket.__nextId++; + WebSocket.__instances[self.__id] = self; + self.readyState = WebSocket.CONNECTING; + self.bufferedAmount = 0; + self.__events = {}; + if (!protocols) { + protocols = []; + } else if (typeof protocols == "string") { + protocols = [protocols]; + } + // Uses setTimeout() to make sure __createFlash() runs after the caller sets ws.onopen etc. + // Otherwise, when onopen fires immediately, onopen is called before it is set. + setTimeout(function() { + WebSocket.__addTask(function() { + WebSocket.__flash.create( + self.__id, url, protocols, proxyHost || null, proxyPort || 0, headers || null); + }); + }, 0); + }; + + /** + * Send data to the web socket. + * @param {string} data The data to send to the socket. + * @return {boolean} True for success, false for failure. + */ + WebSocket.prototype.send = function(data) { + if (this.readyState == WebSocket.CONNECTING) { + throw "INVALID_STATE_ERR: Web Socket connection has not been established"; + } + // We use encodeURIComponent() here, because FABridge doesn't work if + // the argument includes some characters. We don't use escape() here + // because of this: + // https://developer.mozilla.org/en/Core_JavaScript_1.5_Guide/Functions#escape_and_unescape_Functions + // But it looks decodeURIComponent(encodeURIComponent(s)) doesn't + // preserve all Unicode characters either e.g. "\uffff" in Firefox. + // Note by wtritch: Hopefully this will not be necessary using ExternalInterface. Will require + // additional testing. + var result = WebSocket.__flash.send(this.__id, encodeURIComponent(data)); + if (result < 0) { // success + return true; + } else { + this.bufferedAmount += result; + return false; + } + }; + + /** + * Close this web socket gracefully. + */ + WebSocket.prototype.close = function() { + if (this.readyState == WebSocket.CLOSED || this.readyState == WebSocket.CLOSING) { + return; + } + this.readyState = WebSocket.CLOSING; + WebSocket.__flash.close(this.__id); + }; + + /** + * Implementation of {@link DOM 2 EventTarget Interface} + * + * @param {string} type + * @param {function} listener + * @param {boolean} useCapture + * @return void + */ + WebSocket.prototype.addEventListener = function(type, listener, useCapture) { + if (!(type in this.__events)) { + this.__events[type] = []; + } + this.__events[type].push(listener); + }; + + /** + * Implementation of {@link DOM 2 EventTarget Interface} + * + * @param {string} type + * @param {function} listener + * @param {boolean} useCapture + * @return void + */ + WebSocket.prototype.removeEventListener = function(type, listener, useCapture) { + if (!(type in this.__events)) return; + var events = this.__events[type]; + for (var i = events.length - 1; i >= 0; --i) { + if (events[i] === listener) { + events.splice(i, 1); + break; + } + } + }; + + /** + * Implementation of {@link DOM 2 EventTarget Interface} + * + * @param {Event} event + * @return void + */ + WebSocket.prototype.dispatchEvent = function(event) { + var events = this.__events[event.type] || []; + for (var i = 0; i < events.length; ++i) { + events[i](event); + } + var handler = this["on" + event.type]; + if (handler) handler(event); + }; + + /** + * Handles an event from Flash. + * @param {Object} flashEvent + */ + WebSocket.prototype.__handleEvent = function(flashEvent) { + if ("readyState" in flashEvent) { + this.readyState = flashEvent.readyState; + } + if ("protocol" in flashEvent) { + this.protocol = flashEvent.protocol; + } + + var jsEvent; + if (flashEvent.type == "open" || flashEvent.type == "error") { + jsEvent = this.__createSimpleEvent(flashEvent.type); + } else if (flashEvent.type == "close") { + // TODO implement jsEvent.wasClean + jsEvent = this.__createSimpleEvent("close"); + } else if (flashEvent.type == "message") { + var data = decodeURIComponent(flashEvent.message); + jsEvent = this.__createMessageEvent("message", data); + } else { + throw "unknown event type: " + flashEvent.type; + } + + this.dispatchEvent(jsEvent); + }; + + WebSocket.prototype.__createSimpleEvent = function(type) { + if (document.createEvent && window.Event) { + var event = document.createEvent("Event"); + event.initEvent(type, false, false); + return event; + } else { + return {type: type, bubbles: false, cancelable: false}; + } + }; + + WebSocket.prototype.__createMessageEvent = function(type, data) { + if (document.createEvent && window.MessageEvent && !window.opera) { + var event = document.createEvent("MessageEvent"); + event.initMessageEvent("message", false, false, data, null, null, window, null); + return event; + } else { + // IE and Opera, the latter one truncates the data parameter after any 0x00 bytes. + return {type: type, data: data, bubbles: false, cancelable: false}; + } + }; + + /** + * Define the WebSocket readyState enumeration. + */ + WebSocket.CONNECTING = 0; + WebSocket.OPEN = 1; + WebSocket.CLOSING = 2; + WebSocket.CLOSED = 3; + + WebSocket.__flash = null; + WebSocket.__instances = {}; + WebSocket.__tasks = []; + WebSocket.__nextId = 0; + + /** + * Load a new flash security policy file. + * @param {string} url + */ + WebSocket.loadFlashPolicyFile = function(url){ + WebSocket.__addTask(function() { + WebSocket.__flash.loadManualPolicyFile(url); + }); + }; + + /** + * Loads WebSocketMain.swf and creates WebSocketMain object in Flash. + */ + WebSocket.__initialize = function() { + if (WebSocket.__flash) return; + + if (WebSocket.__swfLocation) { + // For backword compatibility. + window.WEB_SOCKET_SWF_LOCATION = WebSocket.__swfLocation; + } + if (!window.WEB_SOCKET_SWF_LOCATION) { + console.error("[WebSocket] set WEB_SOCKET_SWF_LOCATION to location of WebSocketMain.swf"); + return; + } + var container = document.createElement("div"); + container.id = "webSocketContainer"; + // Hides Flash box. We cannot use display: none or visibility: hidden because it prevents + // Flash from loading at least in IE. So we move it out of the screen at (-100, -100). + // But this even doesn't work with Flash Lite (e.g. in Droid Incredible). So with Flash + // Lite, we put it at (0, 0). This shows 1x1 box visible at left-top corner but this is + // the best we can do as far as we know now. + container.style.position = "absolute"; + if (WebSocket.__isFlashLite()) { + container.style.left = "0px"; + container.style.top = "0px"; + } else { + container.style.left = "-100px"; + container.style.top = "-100px"; + } + var holder = document.createElement("div"); + holder.id = "webSocketFlash"; + container.appendChild(holder); + document.body.appendChild(container); + // See this article for hasPriority: + // http://help.adobe.com/en_US/as3/mobile/WS4bebcd66a74275c36cfb8137124318eebc6-7ffd.html + swfobject.embedSWF( + WEB_SOCKET_SWF_LOCATION, + "webSocketFlash", + "1" /* width */, + "1" /* height */, + "10.0.0" /* SWF version */, + null, + null, + {hasPriority: true, swliveconnect : true, allowScriptAccess: "always"}, + null, + function(e) { + if (!e.success) { + console.error("[WebSocket] swfobject.embedSWF failed"); + } + }); + }; + + /** + * Called by Flash to notify JS that it's fully loaded and ready + * for communication. + */ + WebSocket.__onFlashInitialized = function() { + // We need to set a timeout here to avoid round-trip calls + // to flash during the initialization process. + setTimeout(function() { + WebSocket.__flash = document.getElementById("webSocketFlash"); + WebSocket.__flash.setCallerUrl(location.href); + WebSocket.__flash.setDebug(!!window.WEB_SOCKET_DEBUG); + for (var i = 0; i < WebSocket.__tasks.length; ++i) { + WebSocket.__tasks[i](); + } + WebSocket.__tasks = []; + }, 0); + }; + + /** + * Called by Flash to notify WebSockets events are fired. + */ + WebSocket.__onFlashEvent = function() { + setTimeout(function() { + try { + // Gets events using receiveEvents() instead of getting it from event object + // of Flash event. This is to make sure to keep message order. + // It seems sometimes Flash events don't arrive in the same order as they are sent. + var events = WebSocket.__flash.receiveEvents(); + for (var i = 0; i < events.length; ++i) { + WebSocket.__instances[events[i].webSocketId].__handleEvent(events[i]); + } + } catch (e) { + console.error(e); + } + }, 0); + return true; + }; + + // Called by Flash. + WebSocket.__log = function(message) { + console.log(decodeURIComponent(message)); + }; + + // Called by Flash. + WebSocket.__error = function(message) { + console.error(decodeURIComponent(message)); + }; + + WebSocket.__addTask = function(task) { + if (WebSocket.__flash) { + task(); + } else { + WebSocket.__tasks.push(task); + } + }; + + /** + * Test if the browser is running flash lite. + * @return {boolean} True if flash lite is running, false otherwise. + */ + WebSocket.__isFlashLite = function() { + if (!window.navigator || !window.navigator.mimeTypes) { + return false; + } + var mimeType = window.navigator.mimeTypes["application/x-shockwave-flash"]; + if (!mimeType || !mimeType.enabledPlugin || !mimeType.enabledPlugin.filename) { + return false; + } + return mimeType.enabledPlugin.filename.match(/flashlite/i) ? true : false; + }; + + if (!window.WEB_SOCKET_DISABLE_AUTO_INITIALIZATION) { + if (window.addEventListener) { + window.addEventListener("load", function(){ + WebSocket.__initialize(); + }, false); + } else { + window.attachEvent("onload", function(){ + WebSocket.__initialize(); + }); + } + } + +})(); + +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io, global) { + + /** + * Expose constructor. + * + * @api public + */ + + exports.XHR = XHR; + + /** + * XHR constructor + * + * @costructor + * @api public + */ + + function XHR (socket) { + if (!socket) return; + + io.Transport.apply(this, arguments); + this.sendBuffer = []; + }; + + /** + * Inherits from Transport. + */ + + io.util.inherit(XHR, io.Transport); + + /** + * Establish a connection + * + * @returns {Transport} + * @api public + */ + + XHR.prototype.open = function () { + this.socket.setBuffer(false); + this.onOpen(); + this.get(); + + // we need to make sure the request succeeds since we have no indication + // whether the request opened or not until it succeeded. + this.setCloseTimeout(); + + return this; + }; + + /** + * Check if we need to send data to the Socket.IO server, if we have data in our + * buffer we encode it and forward it to the `post` method. + * + * @api private + */ + + XHR.prototype.payload = function (payload) { + var msgs = []; + + for (var i = 0, l = payload.length; i < l; i++) { + msgs.push(io.parser.encodePacket(payload[i])); + } + + this.send(io.parser.encodePayload(msgs)); + }; + + /** + * Send data to the Socket.IO server. + * + * @param data The message + * @returns {Transport} + * @api public + */ + + XHR.prototype.send = function (data) { + this.post(data); + return this; + }; + + /** + * Posts a encoded message to the Socket.IO server. + * + * @param {String} data A encoded message. + * @api private + */ + + function empty () { }; + + XHR.prototype.post = function (data) { + var self = this; + this.socket.setBuffer(true); + + function stateChange () { + if (this.readyState == 4) { + this.onreadystatechange = empty; + self.posting = false; + + if (this.status == 200){ + self.socket.setBuffer(false); + } else { + self.onClose(); + } + } + } + + function onload () { + this.onload = empty; + self.socket.setBuffer(false); + }; + + this.sendXHR = this.request('POST'); + + if (global.XDomainRequest && this.sendXHR instanceof XDomainRequest) { + this.sendXHR.onload = this.sendXHR.onerror = onload; + } else { + this.sendXHR.onreadystatechange = stateChange; + } + + this.sendXHR.send(data); + }; + + /** + * Disconnects the established `XHR` connection. + * + * @returns {Transport} + * @api public + */ + + XHR.prototype.close = function () { + this.onClose(); + return this; + }; + + /** + * Generates a configured XHR request + * + * @param {String} url The url that needs to be requested. + * @param {String} method The method the request should use. + * @returns {XMLHttpRequest} + * @api private + */ + + XHR.prototype.request = function (method) { + var req = io.util.request(this.socket.isXDomain()) + , query = io.util.query(this.socket.options.query, 't=' + +new Date); + + req.open(method || 'GET', this.prepareUrl() + query, true); + + if (method == 'POST') { + try { + if (req.setRequestHeader) { + req.setRequestHeader('Content-type', 'text/plain;charset=UTF-8'); + } else { + // XDomainRequest + req.contentType = 'text/plain'; + } + } catch (e) {} + } + + return req; + }; + + /** + * Returns the scheme to use for the transport URLs. + * + * @api private + */ + + XHR.prototype.scheme = function () { + return this.socket.options.secure ? 'https' : 'http'; + }; + + /** + * Check if the XHR transports are supported + * + * @param {Boolean} xdomain Check if we support cross domain requests. + * @returns {Boolean} + * @api public + */ + + XHR.check = function (socket, xdomain) { + try { + var request = io.util.request(xdomain), + usesXDomReq = (global.XDomainRequest && request instanceof XDomainRequest), + socketProtocol = (socket && socket.options && socket.options.secure ? 'https:' : 'http:'), + isXProtocol = (global.location && socketProtocol != global.location.protocol); + if (request && !(usesXDomReq && isXProtocol)) { + return true; + } + } catch(e) {} + + return false; + }; + + /** + * Check if the XHR transport supports cross domain requests. + * + * @returns {Boolean} + * @api public + */ + + XHR.xdomainCheck = function (socket) { + return XHR.check(socket, true); + }; + +})( + 'undefined' != typeof io ? io.Transport : module.exports + , 'undefined' != typeof io ? io : module.parent.exports + , this +); +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io) { + + /** + * Expose constructor. + */ + + exports.htmlfile = HTMLFile; + + /** + * The HTMLFile transport creates a `forever iframe` based transport + * for Internet Explorer. Regular forever iframe implementations will + * continuously trigger the browsers buzy indicators. If the forever iframe + * is created inside a `htmlfile` these indicators will not be trigged. + * + * @constructor + * @extends {io.Transport.XHR} + * @api public + */ + + function HTMLFile (socket) { + io.Transport.XHR.apply(this, arguments); + }; + + /** + * Inherits from XHR transport. + */ + + io.util.inherit(HTMLFile, io.Transport.XHR); + + /** + * Transport name + * + * @api public + */ + + HTMLFile.prototype.name = 'htmlfile'; + + /** + * Creates a new Ac...eX `htmlfile` with a forever loading iframe + * that can be used to listen to messages. Inside the generated + * `htmlfile` a reference will be made to the HTMLFile transport. + * + * @api private + */ + + HTMLFile.prototype.get = function () { + this.doc = new window[(['Active'].concat('Object').join('X'))]('htmlfile'); + this.doc.open(); + this.doc.write(''); + this.doc.close(); + this.doc.parentWindow.s = this; + + var iframeC = this.doc.createElement('div'); + iframeC.className = 'socketio'; + + this.doc.body.appendChild(iframeC); + this.iframe = this.doc.createElement('iframe'); + + iframeC.appendChild(this.iframe); + + var self = this + , query = io.util.query(this.socket.options.query, 't='+ +new Date); + + this.iframe.src = this.prepareUrl() + query; + + io.util.on(window, 'unload', function () { + self.destroy(); + }); + }; + + /** + * The Socket.IO server will write script tags inside the forever + * iframe, this function will be used as callback for the incoming + * information. + * + * @param {String} data The message + * @param {document} doc Reference to the context + * @api private + */ + + HTMLFile.prototype._ = function (data, doc) { + // unescape all forward slashes. see GH-1251 + data = data.replace(/\\\//g, '/'); + this.onData(data); + try { + var script = doc.getElementsByTagName('script')[0]; + script.parentNode.removeChild(script); + } catch (e) { } + }; + + /** + * Destroy the established connection, iframe and `htmlfile`. + * And calls the `CollectGarbage` function of Internet Explorer + * to release the memory. + * + * @api private + */ + + HTMLFile.prototype.destroy = function () { + if (this.iframe){ + try { + this.iframe.src = 'about:blank'; + } catch(e){} + + this.doc = null; + this.iframe.parentNode.removeChild(this.iframe); + this.iframe = null; + + CollectGarbage(); + } + }; + + /** + * Disconnects the established connection. + * + * @returns {Transport} Chaining. + * @api public + */ + + HTMLFile.prototype.close = function () { + this.destroy(); + return io.Transport.XHR.prototype.close.call(this); + }; + + /** + * Checks if the browser supports this transport. The browser + * must have an `Ac...eXObject` implementation. + * + * @return {Boolean} + * @api public + */ + + HTMLFile.check = function (socket) { + if (typeof window != "undefined" && (['Active'].concat('Object').join('X')) in window){ + try { + var a = new window[(['Active'].concat('Object').join('X'))]('htmlfile'); + return a && io.Transport.XHR.check(socket); + } catch(e){} + } + return false; + }; + + /** + * Check if cross domain requests are supported. + * + * @returns {Boolean} + * @api public + */ + + HTMLFile.xdomainCheck = function () { + // we can probably do handling for sub-domains, we should + // test that it's cross domain but a subdomain here + return false; + }; + + /** + * Add the transport to your public io.transports array. + * + * @api private + */ + + io.transports.push('htmlfile'); + +})( + 'undefined' != typeof io ? io.Transport : module.exports + , 'undefined' != typeof io ? io : module.parent.exports +); + +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io, global) { + + /** + * Expose constructor. + */ + + exports['xhr-polling'] = XHRPolling; + + /** + * The XHR-polling transport uses long polling XHR requests to create a + * "persistent" connection with the server. + * + * @constructor + * @api public + */ + + function XHRPolling () { + io.Transport.XHR.apply(this, arguments); + }; + + /** + * Inherits from XHR transport. + */ + + io.util.inherit(XHRPolling, io.Transport.XHR); + + /** + * Merge the properties from XHR transport + */ + + io.util.merge(XHRPolling, io.Transport.XHR); + + /** + * Transport name + * + * @api public + */ + + XHRPolling.prototype.name = 'xhr-polling'; + + /** + * Indicates whether heartbeats is enabled for this transport + * + * @api private + */ + + XHRPolling.prototype.heartbeats = function () { + return false; + }; + + /** + * Establish a connection, for iPhone and Android this will be done once the page + * is loaded. + * + * @returns {Transport} Chaining. + * @api public + */ + + XHRPolling.prototype.open = function () { + var self = this; + + io.Transport.XHR.prototype.open.call(self); + return false; + }; + + /** + * Starts a XHR request to wait for incoming messages. + * + * @api private + */ + + function empty () {}; + + XHRPolling.prototype.get = function () { + if (!this.isOpen) return; + + var self = this; + + function stateChange () { + if (this.readyState == 4) { + this.onreadystatechange = empty; + + if (this.status == 200) { + self.onData(this.responseText); + self.get(); + } else { + self.onClose(); + } + } + }; + + function onload () { + this.onload = empty; + this.onerror = empty; + self.retryCounter = 1; + self.onData(this.responseText); + self.get(); + }; + + function onerror () { + self.retryCounter ++; + if(!self.retryCounter || self.retryCounter > 3) { + self.onClose(); + } else { + self.get(); + } + }; + + this.xhr = this.request(); + + if (global.XDomainRequest && this.xhr instanceof XDomainRequest) { + this.xhr.onload = onload; + this.xhr.onerror = onerror; + } else { + this.xhr.onreadystatechange = stateChange; + } + + this.xhr.send(null); + }; + + /** + * Handle the unclean close behavior. + * + * @api private + */ + + XHRPolling.prototype.onClose = function () { + io.Transport.XHR.prototype.onClose.call(this); + + if (this.xhr) { + this.xhr.onreadystatechange = this.xhr.onload = this.xhr.onerror = empty; + try { + this.xhr.abort(); + } catch(e){} + this.xhr = null; + } + }; + + /** + * Webkit based browsers show a infinit spinner when you start a XHR request + * before the browsers onload event is called so we need to defer opening of + * the transport until the onload event is called. Wrapping the cb in our + * defer method solve this. + * + * @param {Socket} socket The socket instance that needs a transport + * @param {Function} fn The callback + * @api private + */ + + XHRPolling.prototype.ready = function (socket, fn) { + var self = this; + + io.util.defer(function () { + fn.call(self); + }); + }; + + /** + * Add the transport to your public io.transports array. + * + * @api private + */ + + io.transports.push('xhr-polling'); + +})( + 'undefined' != typeof io ? io.Transport : module.exports + , 'undefined' != typeof io ? io : module.parent.exports + , this +); + +/** + * socket.io + * Copyright(c) 2011 LearnBoost + * MIT Licensed + */ + +(function (exports, io, global) { + /** + * There is a way to hide the loading indicator in Firefox. If you create and + * remove a iframe it will stop showing the current loading indicator. + * Unfortunately we can't feature detect that and UA sniffing is evil. + * + * @api private + */ + + var indicator = global.document && "MozAppearance" in + global.document.documentElement.style; + + /** + * Expose constructor. + */ + + exports['jsonp-polling'] = JSONPPolling; + + /** + * The JSONP transport creates an persistent connection by dynamically + * inserting a script tag in the page. This script tag will receive the + * information of the Socket.IO server. When new information is received + * it creates a new script tag for the new data stream. + * + * @constructor + * @extends {io.Transport.xhr-polling} + * @api public + */ + + function JSONPPolling (socket) { + io.Transport['xhr-polling'].apply(this, arguments); + + this.index = io.j.length; + + var self = this; + + io.j.push(function (msg) { + self._(msg); + }); + }; + + /** + * Inherits from XHR polling transport. + */ + + io.util.inherit(JSONPPolling, io.Transport['xhr-polling']); + + /** + * Transport name + * + * @api public + */ + + JSONPPolling.prototype.name = 'jsonp-polling'; + + /** + * Posts a encoded message to the Socket.IO server using an iframe. + * The iframe is used because script tags can create POST based requests. + * The iframe is positioned outside of the view so the user does not + * notice it's existence. + * + * @param {String} data A encoded message. + * @api private + */ + + JSONPPolling.prototype.post = function (data) { + var self = this + , query = io.util.query( + this.socket.options.query + , 't='+ (+new Date) + '&i=' + this.index + ); + + if (!this.form) { + var form = document.createElement('form') + , area = document.createElement('textarea') + , id = this.iframeId = 'socketio_iframe_' + this.index + , iframe; + + form.className = 'socketio'; + form.style.position = 'absolute'; + form.style.top = '0px'; + form.style.left = '0px'; + form.style.display = 'none'; + form.target = id; + form.method = 'POST'; + form.setAttribute('accept-charset', 'utf-8'); + area.name = 'd'; + form.appendChild(area); + document.body.appendChild(form); + + this.form = form; + this.area = area; + } + + this.form.action = this.prepareUrl() + query; + + function complete () { + initIframe(); + self.socket.setBuffer(false); + }; + + function initIframe () { + if (self.iframe) { + self.form.removeChild(self.iframe); + } + + try { + // ie6 dynamic iframes with target="" support (thanks Chris Lambacher) + iframe = document.createElement('