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added JSON-MessagePack converter

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1 parent 6ee88ea commit a688836ad2d850ddc049e23f0d464d450727aae9 @frsyuki frsyuki committed Dec 14, 2013
Showing with 744 additions and 0 deletions.
  1. +42 −0 css/all.css
  2. +27 −0 index.html.erb
  3. +5 −0 js/jquery.leanModal.min.js
  4. +670 −0 js/msgpack.js
View
42 css/all.css
@@ -495,3 +495,45 @@ footer {
margin-left:3px;
}
+/* for leanModal.js */
+#lean_overlay {
+ position: fixed;
+ z-index:100;
+ top: 0px;
+ left: 0px;
+ height:100%;
+ width:100%;
+ background: #000;
+ display: none;
+}
+
+#json-to-msgpack {
+ background: none repeat scroll 0 0 #FFFFFF;
+ box-shadow: 0 0 4px rgba(0, 0, 0, 0.7);
+ display: none;
+ padding: 30px;
+ width: 780px;
+}
+
+#json-to-msgpack textarea {
+ font-size:140%;
+ width:100%;
+ height:5em;
+}
+
+#json-to-msgpack #msgpack-text {
+ font-size: 140%;
+ min-height: 5em;
+}
+
+.lean_close {
+ position: absolute;
+ top: 12px;
+ right: 12px;
+ display: block;
+ width: 14px;
+ height: 14px;
+ /*background: url(../images/lean_close.png);*/
+ content:'x';
+ z-index: 2;
+}
View
27 index.html.erb
@@ -16,6 +16,8 @@
<script type="text/javascript" src="js/prettify/prettify.js" ></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>
<script src="https://google-code-prettify.googlecode.com/svn/loader/run_prettify.js"></script>
+ <script type="text/javascript" src="js/jquery.leanModal.min.js" ></script>
+ <script type="text/javascript" src="js/msgpack.js" ></script>
<script type="text/javascript">
var _gaq = _gaq || [];
@@ -31,6 +33,22 @@
})();
$(function(){$('pre > code').addClass('prettyprint');prettyPrint();});
</script>
+
+ <script type="text/javascript">
+ $(function() {
+ $("#json-text").keyup(function(event) {
+ var json;
+ try {
+ json = JSON.parse($("#json-text").val());
+ } catch (e) {
+ return;
+ }
+ var msg = msgpack.pack(json);
+ var hex = jQuery.map(msg, function(e,i) { return e.toString(16); }).join(" ");
+ $("#msgpack-text").text(hex);
+ }).keyup();
+ });
+ </script>
</head>
<body onload="prettyPrint();var index=Math.floor(Math.random()*(document.getElementsByClassName('qs').length-1));changeQuickStart(document.getElementsByClassName('qs')[index].id,document.getElementsByClassName('qs-a')[index])">
<header>
@@ -141,6 +159,15 @@
</div>
</section>
+
+ <div id="json-to-msgpack">
+ <h3>JSON</h3>
+ <form>
+ <textarea type="text" id="json-text">{"compact":true,"schema":0}</textarea>
+ </form>
+ <h3>MessagePack (hex)</h3>
+ <div id="msgpack-text"></div>
+ </div>
</main>
<footer>
View
5 js/jquery.leanModal.min.js
@@ -0,0 +1,5 @@
+// leanModal v1.1 by Ray Stone - http://finelysliced.com.au
+// Dual licensed under the MIT and GPL
+
+(function($){$.fn.extend({leanModal:function(options){var defaults={top:100,overlay:0.5,closeButton:null};var overlay=$("<div id='lean_overlay'></div>");$("body").append(overlay);options=$.extend(defaults,options);return this.each(function(){var o=options;$(this).click(function(e){var modal_id=$(this).attr("href");$("#lean_overlay").click(function(){close_modal(modal_id)});$(o.closeButton).click(function(){close_modal(modal_id)});var modal_height=$(modal_id).outerHeight();var modal_width=$(modal_id).outerWidth();
+$("#lean_overlay").css({"display":"block",opacity:0});$("#lean_overlay").fadeTo(200,o.overlay);$(modal_id).css({"display":"block","position":"fixed","opacity":0,"z-index":11000,"left":50+"%","margin-left":-(modal_width/2)+"px","top":o.top+"px"});$(modal_id).fadeTo(200,1);e.preventDefault()})});function close_modal(modal_id){$("#lean_overlay").fadeOut(200);$(modal_id).css({"display":"none"})}}})})(jQuery);
View
670 js/msgpack.js
@@ -0,0 +1,670 @@
+/*!{id:msgpack.js,ver:1.05,license:"MIT",author:"uupaa.js@gmail.com"}*/
+
+// === msgpack ===
+// MessagePack -> http://msgpack.sourceforge.net/
+
+this.msgpack || (function(globalScope) {
+
+globalScope.msgpack = {
+ pack: msgpackpack, // msgpack.pack(data:Mix,
+ // toString:Boolean = false):ByteArray/ByteString/false
+ // [1][mix to String] msgpack.pack({}, true) -> "..."
+ // [2][mix to ByteArray] msgpack.pack({}) -> [...]
+ unpack: msgpackunpack, // msgpack.unpack(data:BinaryString/ByteArray):Mix
+ // [1][String to mix] msgpack.unpack("...") -> {}
+ // [2][ByteArray to mix] msgpack.unpack([...]) -> {}
+ worker: "msgpack.js", // msgpack.worker - WebWorkers script filename
+ upload: msgpackupload, // msgpack.upload(url:String, option:Hash, callback:Function)
+ download: msgpackdownload // msgpack.download(url:String, option:Hash, callback:Function)
+};
+
+var _ie = /MSIE/.test(navigator.userAgent),
+ _bin2num = {}, // BinaryStringToNumber { "\00": 0, ... "\ff": 255 }
+ _num2bin = {}, // NumberToBinaryString { 0: "\00", ... 255: "\ff" }
+ _num2b64 = ("ABCDEFGHIJKLMNOPQRSTUVWXYZ" +
+ "abcdefghijklmnopqrstuvwxyz0123456789+/").split(""),
+ _buf = [], // decode buffer
+ _idx = 0, // decode buffer[index]
+ _error = 0, // msgpack.pack() error code. 1 = CYCLIC_REFERENCE_ERROR
+ _isArray = Array.isArray || (function(mix) {
+ return Object.prototype.toString.call(mix) === "[object Array]";
+ }),
+ _toString = String.fromCharCode, // CharCode/ByteArray to String
+ _MAX_DEPTH = 512;
+
+// for WebWorkers Code Block
+self.importScripts && (onmessage = function(event) {
+ if (event.data.method === "pack") {
+ postMessage(base64encode(msgpackpack(event.data.data)));
+ } else {
+ postMessage(msgpackunpack(event.data.data));
+ }
+});
+
+// msgpack.pack
+function msgpackpack(data, // @param Mix:
+ toString) { // @param Boolean(= false):
+ // @return ByteArray/BinaryString/false:
+ // false is error return
+ // [1][mix to String] msgpack.pack({}, true) -> "..."
+ // [2][mix to ByteArray] msgpack.pack({}) -> [...]
+
+ _error = 0;
+
+ var byteArray = encode([], data, 0);
+
+ return _error ? false
+ : toString ? byteArrayToByteString(byteArray)
+ : byteArray;
+}
+
+// msgpack.unpack
+function msgpackunpack(data) { // @param BinaryString/ByteArray:
+ // @return Mix/undefined:
+ // undefined is error return
+ // [1][String to mix] msgpack.unpack("...") -> {}
+ // [2][ByteArray to mix] msgpack.unpack([...]) -> {}
+
+ _buf = typeof data === "string" ? toByteArray(data) : data;
+ _idx = -1;
+ return decode(); // mix or undefined
+}
+
+// inner - encoder
+function encode(rv, // @param ByteArray: result
+ mix, // @param Mix: source data
+ depth) { // @param Number: depth
+ var size, i, iz, c, pos, // for UTF8.encode, Array.encode, Hash.encode
+ high, low, sign, exp, frac; // for IEEE754
+
+ if (mix == null) { // null or undefined -> 0xc0 ( null )
+ rv.push(0xc0);
+ } else if (mix === false) { // false -> 0xc2 ( false )
+ rv.push(0xc2);
+ } else if (mix === true) { // true -> 0xc3 ( true )
+ rv.push(0xc3);
+ } else {
+ switch (typeof mix) {
+ case "number":
+ if (mix !== mix) { // isNaN
+ rv.push(0xcb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff); // quiet NaN
+ } else if (mix === Infinity) {
+ rv.push(0xcb, 0x7f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00); // positive infinity
+ } else if (Math.floor(mix) === mix) { // int or uint
+ if (mix < 0) {
+ // int
+ if (mix >= -32) { // negative fixnum
+ rv.push(0xe0 + mix + 32);
+ } else if (mix > -0x80) {
+ rv.push(0xd0, mix + 0x100);
+ } else if (mix > -0x8000) {
+ mix += 0x10000;
+ rv.push(0xd1, mix >> 8, mix & 0xff);
+ } else if (mix > -0x80000000) {
+ mix += 0x100000000;
+ rv.push(0xd2, mix >>> 24, (mix >> 16) & 0xff,
+ (mix >> 8) & 0xff, mix & 0xff);
+ } else {
+ high = Math.floor(mix / 0x100000000);
+ low = mix & 0xffffffff;
+ rv.push(0xd3, (high >> 24) & 0xff, (high >> 16) & 0xff,
+ (high >> 8) & 0xff, high & 0xff,
+ (low >> 24) & 0xff, (low >> 16) & 0xff,
+ (low >> 8) & 0xff, low & 0xff);
+ }
+ } else {
+ // uint
+ if (mix < 0x80) {
+ rv.push(mix); // positive fixnum
+ } else if (mix < 0x100) { // uint 8
+ rv.push(0xcc, mix);
+ } else if (mix < 0x10000) { // uint 16
+ rv.push(0xcd, mix >> 8, mix & 0xff);
+ } else if (mix < 0x100000000) { // uint 32
+ rv.push(0xce, mix >>> 24, (mix >> 16) & 0xff,
+ (mix >> 8) & 0xff, mix & 0xff);
+ } else {
+ high = Math.floor(mix / 0x100000000);
+ low = mix & 0xffffffff;
+ rv.push(0xcf, (high >> 24) & 0xff, (high >> 16) & 0xff,
+ (high >> 8) & 0xff, high & 0xff,
+ (low >> 24) & 0xff, (low >> 16) & 0xff,
+ (low >> 8) & 0xff, low & 0xff);
+ }
+ }
+ } else { // double
+ // THX!! @edvakf
+ // http://javascript.g.hatena.ne.jp/edvakf/20101128/1291000731
+ sign = mix < 0;
+ sign && (mix *= -1);
+
+ // add offset 1023 to ensure positive
+ // 0.6931471805599453 = Math.LN2;
+ exp = ((Math.log(mix) / 0.6931471805599453) + 1023) | 0;
+
+ // shift 52 - (exp - 1023) bits to make integer part exactly 53 bits,
+ // then throw away trash less than decimal point
+ frac = mix * Math.pow(2, 52 + 1023 - exp);
+
+ // S+-Exp(11)--++-----------------Fraction(52bits)-----------------------+
+ // || || |
+ // v+----------++--------------------------------------------------------+
+ // 00000000|00000000|00000000|00000000|00000000|00000000|00000000|00000000
+ // 6 5 55 4 4 3 2 1 8 0
+ // 3 6 21 8 0 2 4 6
+ //
+ // +----------high(32bits)-----------+ +----------low(32bits)------------+
+ // | | | |
+ // +---------------------------------+ +---------------------------------+
+ // 3 2 21 1 8 0
+ // 1 4 09 6
+ low = frac & 0xffffffff;
+ sign && (exp |= 0x800);
+ high = ((frac / 0x100000000) & 0xfffff) | (exp << 20);
+
+ rv.push(0xcb, (high >> 24) & 0xff, (high >> 16) & 0xff,
+ (high >> 8) & 0xff, high & 0xff,
+ (low >> 24) & 0xff, (low >> 16) & 0xff,
+ (low >> 8) & 0xff, low & 0xff);
+ }
+ break;
+ case "string":
+ // http://d.hatena.ne.jp/uupaa/20101128
+ iz = mix.length;
+ pos = rv.length; // keep rewrite position
+
+ rv.push(0); // placeholder
+
+ // utf8.encode
+ for (i = 0; i < iz; ++i) {
+ c = mix.charCodeAt(i);
+ if (c < 0x80) { // ASCII(0x00 ~ 0x7f)
+ rv.push(c & 0x7f);
+ } else if (c < 0x0800) {
+ rv.push(((c >>> 6) & 0x1f) | 0xc0, (c & 0x3f) | 0x80);
+ } else if (c < 0x10000) {
+ rv.push(((c >>> 12) & 0x0f) | 0xe0,
+ ((c >>> 6) & 0x3f) | 0x80, (c & 0x3f) | 0x80);
+ }
+ }
+ size = rv.length - pos - 1;
+
+ if (size < 32) {
+ rv[pos] = 0xa0 + size; // rewrite
+ } else if (size < 0x10000) { // 16
+ rv.splice(pos, 1, 0xda, size >> 8, size & 0xff);
+ } else if (size < 0x100000000) { // 32
+ rv.splice(pos, 1, 0xdb,
+ size >>> 24, (size >> 16) & 0xff,
+ (size >> 8) & 0xff, size & 0xff);
+ }
+ break;
+ default: // array or hash
+ if (++depth >= _MAX_DEPTH) {
+ _error = 1; // CYCLIC_REFERENCE_ERROR
+ return rv = []; // clear
+ }
+ if (_isArray(mix)) {
+ size = mix.length;
+ if (size < 16) {
+ rv.push(0x90 + size);
+ } else if (size < 0x10000) { // 16
+ rv.push(0xdc, size >> 8, size & 0xff);
+ } else if (size < 0x100000000) { // 32
+ rv.push(0xdd, size >>> 24, (size >> 16) & 0xff,
+ (size >> 8) & 0xff, size & 0xff);
+ }
+ for (i = 0; i < size; ++i) {
+ encode(rv, mix[i], depth);
+ }
+ } else { // hash
+ // http://d.hatena.ne.jp/uupaa/20101129
+ pos = rv.length; // keep rewrite position
+ rv.push(0); // placeholder
+ size = 0;
+ for (i in mix) {
+ ++size;
+ encode(rv, i, depth);
+ encode(rv, mix[i], depth);
+ }
+ if (size < 16) {
+ rv[pos] = 0x80 + size; // rewrite
+ } else if (size < 0x10000) { // 16
+ rv.splice(pos, 1, 0xde, size >> 8, size & 0xff);
+ } else if (size < 0x100000000) { // 32
+ rv.splice(pos, 1, 0xdf,
+ size >>> 24, (size >> 16) & 0xff,
+ (size >> 8) & 0xff, size & 0xff);
+ }
+ }
+ }
+ }
+ return rv;
+}
+
+// inner - decoder
+function decode() { // @return Mix:
+ var size, i, iz, c, num = 0,
+ sign, exp, frac, ary, hash,
+ buf = _buf, type = buf[++_idx];
+
+ if (type >= 0xe0) { // Negative FixNum (111x xxxx) (-32 ~ -1)
+ return type - 0x100;
+ }
+ if (type < 0xc0) {
+ if (type < 0x80) { // Positive FixNum (0xxx xxxx) (0 ~ 127)
+ return type;
+ }
+ if (type < 0x90) { // FixMap (1000 xxxx)
+ num = type - 0x80;
+ type = 0x80;
+ } else if (type < 0xa0) { // FixArray (1001 xxxx)
+ num = type - 0x90;
+ type = 0x90;
+ } else { // if (type < 0xc0) { // FixRaw (101x xxxx)
+ num = type - 0xa0;
+ type = 0xa0;
+ }
+ }
+ switch (type) {
+ case 0xc0: return null;
+ case 0xc2: return false;
+ case 0xc3: return true;
+ case 0xca: // float
+ num = buf[++_idx] * 0x1000000 + (buf[++_idx] << 16) +
+ (buf[++_idx] << 8) + buf[++_idx];
+ sign = num & 0x80000000; // 1bit
+ exp = (num >> 23) & 0xff; // 8bits
+ frac = num & 0x7fffff; // 23bits
+ if (!num || num === 0x80000000) { // 0.0 or -0.0
+ return 0;
+ }
+ if (exp === 0xff) { // NaN or Infinity
+ return frac ? NaN : Infinity;
+ }
+ return (sign ? -1 : 1) *
+ (frac | 0x800000) * Math.pow(2, exp - 127 - 23); // 127: bias
+ case 0xcb: // double
+ num = buf[++_idx] * 0x1000000 + (buf[++_idx] << 16) +
+ (buf[++_idx] << 8) + buf[++_idx];
+ sign = num & 0x80000000; // 1bit
+ exp = (num >> 20) & 0x7ff; // 11bits
+ frac = num & 0xfffff; // 52bits - 32bits (high word)
+ if (!num || num === 0x80000000) { // 0.0 or -0.0
+ _idx += 4;
+ return 0;
+ }
+ if (exp === 0x7ff) { // NaN or Infinity
+ _idx += 4;
+ return frac ? NaN : Infinity;
+ }
+ num = buf[++_idx] * 0x1000000 + (buf[++_idx] << 16) +
+ (buf[++_idx] << 8) + buf[++_idx];
+ return (sign ? -1 : 1) *
+ ((frac | 0x100000) * Math.pow(2, exp - 1023 - 20) // 1023: bias
+ + num * Math.pow(2, exp - 1023 - 52));
+ // 0xcf: uint64, 0xce: uint32, 0xcd: uint16
+ case 0xcf: num = buf[++_idx] * 0x1000000 + (buf[++_idx] << 16) +
+ (buf[++_idx] << 8) + buf[++_idx];
+ return num * 0x100000000 +
+ buf[++_idx] * 0x1000000 + (buf[++_idx] << 16) +
+ (buf[++_idx] << 8) + buf[++_idx];
+ case 0xce: num += buf[++_idx] * 0x1000000 + (buf[++_idx] << 16);
+ case 0xcd: num += buf[++_idx] << 8;
+ case 0xcc: return num + buf[++_idx];
+ // 0xd3: int64, 0xd2: int32, 0xd1: int16, 0xd0: int8
+ case 0xd3: num = buf[++_idx];
+ if (num & 0x80) { // sign -> avoid overflow
+ return ((num ^ 0xff) * 0x100000000000000 +
+ (buf[++_idx] ^ 0xff) * 0x1000000000000 +
+ (buf[++_idx] ^ 0xff) * 0x10000000000 +
+ (buf[++_idx] ^ 0xff) * 0x100000000 +
+ (buf[++_idx] ^ 0xff) * 0x1000000 +
+ (buf[++_idx] ^ 0xff) * 0x10000 +
+ (buf[++_idx] ^ 0xff) * 0x100 +
+ (buf[++_idx] ^ 0xff) + 1) * -1;
+ }
+ return num * 0x100000000000000 +
+ buf[++_idx] * 0x1000000000000 +
+ buf[++_idx] * 0x10000000000 +
+ buf[++_idx] * 0x100000000 +
+ buf[++_idx] * 0x1000000 +
+ buf[++_idx] * 0x10000 +
+ buf[++_idx] * 0x100 +
+ buf[++_idx];
+ case 0xd2: num = buf[++_idx] * 0x1000000 + (buf[++_idx] << 16) +
+ (buf[++_idx] << 8) + buf[++_idx];
+ return num < 0x80000000 ? num : num - 0x100000000; // 0x80000000 * 2
+ case 0xd1: num = (buf[++_idx] << 8) + buf[++_idx];
+ return num < 0x8000 ? num : num - 0x10000; // 0x8000 * 2
+ case 0xd0: num = buf[++_idx];
+ return num < 0x80 ? num : num - 0x100; // 0x80 * 2
+ // 0xdb: raw32, 0xda: raw16, 0xa0: raw ( string )
+ case 0xdb: num += buf[++_idx] * 0x1000000 + (buf[++_idx] << 16);
+ case 0xda: num += (buf[++_idx] << 8) + buf[++_idx];
+ case 0xa0: // utf8.decode
+ for (ary = [], i = _idx, iz = i + num; i < iz; ) {
+ c = buf[++i]; // lead byte
+ ary.push(c < 0x80 ? c : // ASCII(0x00 ~ 0x7f)
+ c < 0xe0 ? ((c & 0x1f) << 6 | (buf[++i] & 0x3f)) :
+ ((c & 0x0f) << 12 | (buf[++i] & 0x3f) << 6
+ | (buf[++i] & 0x3f)));
+ }
+ _idx = i;
+ return ary.length < 10240 ? _toString.apply(null, ary)
+ : byteArrayToByteString(ary);
+ // 0xdf: map32, 0xde: map16, 0x80: map
+ case 0xdf: num += buf[++_idx] * 0x1000000 + (buf[++_idx] << 16);
+ case 0xde: num += (buf[++_idx] << 8) + buf[++_idx];
+ case 0x80: hash = {};
+ while (num--) {
+ // make key/value pair
+ size = buf[++_idx] - 0xa0;
+
+ for (ary = [], i = _idx, iz = i + size; i < iz; ) {
+ c = buf[++i]; // lead byte
+ ary.push(c < 0x80 ? c : // ASCII(0x00 ~ 0x7f)
+ c < 0xe0 ? ((c & 0x1f) << 6 | (buf[++i] & 0x3f)) :
+ ((c & 0x0f) << 12 | (buf[++i] & 0x3f) << 6
+ | (buf[++i] & 0x3f)));
+ }
+ _idx = i;
+ hash[_toString.apply(null, ary)] = decode();
+ }
+ return hash;
+ // 0xdd: array32, 0xdc: array16, 0x90: array
+ case 0xdd: num += buf[++_idx] * 0x1000000 + (buf[++_idx] << 16);
+ case 0xdc: num += (buf[++_idx] << 8) + buf[++_idx];
+ case 0x90: ary = [];
+ while (num--) {
+ ary.push(decode());
+ }
+ return ary;
+ }
+ return;
+}
+
+// inner - byteArray To ByteString
+function byteArrayToByteString(byteArray) { // @param ByteArray
+ // @return String
+ // http://d.hatena.ne.jp/uupaa/20101128
+ try {
+ return _toString.apply(this, byteArray); // toString
+ } catch(err) {
+ ; // avoid "Maximum call stack size exceeded"
+ }
+ var rv = [], i = 0, iz = byteArray.length, num2bin = _num2bin;
+
+ for (; i < iz; ++i) {
+ rv[i] = num2bin[byteArray[i]];
+ }
+ return rv.join("");
+}
+
+// msgpack.download - load from server
+function msgpackdownload(url, // @param String:
+ option, // @param Hash: { worker, timeout, before, after }
+ // option.worker - Boolean(= false): true is use WebWorkers
+ // option.timeout - Number(= 10): timeout sec
+ // option.before - Function: before(xhr, option)
+ // option.after - Function: after(xhr, option, { status, ok })
+ callback) { // @param Function: callback(data, option, { status, ok })
+ // data - Mix/null:
+ // option - Hash:
+ // status - Number: HTTP status code
+ // ok - Boolean:
+ option.method = "GET";
+ option.binary = true;
+ ajax(url, option, callback);
+}
+
+// msgpack.upload - save to server
+function msgpackupload(url, // @param String:
+ option, // @param Hash: { data, worker, timeout, before, after }
+ // option.data - Mix:
+ // option.worker - Boolean(= false): true is use WebWorkers
+ // option.timeout - Number(= 10): timeout sec
+ // option.before - Function: before(xhr, option)
+ // option.after - Function: after(xhr, option, { status, ok })
+ callback) { // @param Function: callback(data, option, { status, ok })
+ // data - String: responseText
+ // option - Hash:
+ // status - Number: HTTP status code
+ // ok - Boolean:
+ option.method = "PUT";
+ option.binary = true;
+
+ if (option.worker && globalScope.Worker) {
+ var worker = new Worker(msgpack.worker);
+
+ worker.onmessage = function(event) {
+ option.data = event.data;
+ ajax(url, option, callback);
+ };
+ worker.postMessage({ method: "pack", data: option.data });
+ } else {
+ // pack and base64 encode
+ option.data = base64encode(msgpackpack(option.data));
+ ajax(url, option, callback);
+ }
+}
+
+// inner -
+function ajax(url, // @param String:
+ option, // @param Hash: { data, ifmod, method, timeout,
+ // header, binary, before, after, worker }
+ // option.data - Mix: upload data
+ // option.ifmod - Boolean: true is "If-Modified-Since" header
+ // option.method - String: "GET", "POST", "PUT"
+ // option.timeout - Number(= 10): timeout sec
+ // option.header - Hash(= {}): { key: "value", ... }
+ // option.binary - Boolean(= false): true is binary data
+ // option.before - Function: before(xhr, option)
+ // option.after - Function: after(xhr, option, { status, ok })
+ // option.worker - Boolean(= false): true is use WebWorkers
+ callback) { // @param Function: callback(data, option, { status, ok })
+ // data - String/Mix/null:
+ // option - Hash:
+ // status - Number: HTTP status code
+ // ok - Boolean:
+ function readyStateChange() {
+ if (xhr.readyState === 4) {
+ var data, status = xhr.status, worker, byteArray,
+ rv = { status: status, ok: status >= 200 && status < 300 };
+
+ if (!run++) {
+ if (method === "PUT") {
+ data = rv.ok ? xhr.responseText : "";
+ } else {
+ if (rv.ok) {
+ if (option.worker && globalScope.Worker) {
+ worker = new Worker(msgpack.worker);
+ worker.onmessage = function(event) {
+ callback(event.data, option, rv);
+ };
+ worker.postMessage({ method: "unpack",
+ data: xhr.responseText });
+ gc();
+ return;
+ } else {
+ byteArray = _ie ? toByteArrayIE(xhr)
+ : toByteArray(xhr.responseText);
+ data = msgpackunpack(byteArray);
+ }
+ }
+ }
+ after && after(xhr, option, rv);
+ callback(data, option, rv);
+ gc();
+ }
+ }
+ }
+
+ function ng(abort, status) {
+ if (!run++) {
+ var rv = { status: status || 400, ok: false };
+
+ after && after(xhr, option, rv);
+ callback(null, option, rv);
+ gc(abort);
+ }
+ }
+
+ function gc(abort) {
+ abort && xhr && xhr.abort && xhr.abort();
+ watchdog && (clearTimeout(watchdog), watchdog = 0);
+ xhr = null;
+ globalScope.addEventListener &&
+ globalScope.removeEventListener("beforeunload", ng, false);
+ }
+
+ var watchdog = 0,
+ method = option.method || "GET",
+ header = option.header || {},
+ before = option.before,
+ after = option.after,
+ data = option.data || null,
+ xhr = globalScope.XMLHttpRequest ? new XMLHttpRequest() :
+ globalScope.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") :
+ null,
+ run = 0, i,
+ overrideMimeType = "overrideMimeType",
+ setRequestHeader = "setRequestHeader",
+ getbinary = method === "GET" && option.binary;
+
+ try {
+ xhr.onreadystatechange = readyStateChange;
+ xhr.open(method, url, true); // ASync
+
+ before && before(xhr, option);
+
+ getbinary && xhr[overrideMimeType] &&
+ xhr[overrideMimeType]("text/plain; charset=x-user-defined");
+ data &&
+ xhr[setRequestHeader]("Content-Type",
+ "application/x-www-form-urlencoded");
+
+ for (i in header) {
+ xhr[setRequestHeader](i, header[i]);
+ }
+
+ globalScope.addEventListener &&
+ globalScope.addEventListener("beforeunload", ng, false); // 400: Bad Request
+
+ xhr.send(data);
+ watchdog = setTimeout(function() {
+ ng(1, 408); // 408: Request Time-out
+ }, (option.timeout || 10) * 1000);
+ } catch (err) {
+ ng(0, 400); // 400: Bad Request
+ }
+}
+
+// inner - BinaryString To ByteArray
+function toByteArray(data) { // @param BinaryString: "\00\01"
+ // @return ByteArray: [0x00, 0x01]
+ var rv = [], bin2num = _bin2num, remain,
+ ary = data.split(""),
+ i = -1, iz;
+
+ iz = ary.length;
+ remain = iz % 8;
+
+ while (remain--) {
+ ++i;
+ rv[i] = bin2num[ary[i]];
+ }
+ remain = iz >> 3;
+ while (remain--) {
+ rv.push(bin2num[ary[++i]], bin2num[ary[++i]],
+ bin2num[ary[++i]], bin2num[ary[++i]],
+ bin2num[ary[++i]], bin2num[ary[++i]],
+ bin2num[ary[++i]], bin2num[ary[++i]]);
+ }
+ return rv;
+}
+
+// inner - BinaryString to ByteArray
+function toByteArrayIE(xhr) {
+ var rv = [], data, remain,
+ charCodeAt = "charCodeAt",
+ loop, v0, v1, v2, v3, v4, v5, v6, v7,
+ i = -1, iz;
+
+ iz = vblen(xhr);
+ data = vbstr(xhr);
+ loop = Math.ceil(iz / 2);
+ remain = loop % 8;
+
+ while (remain--) {
+ v0 = data[charCodeAt](++i); // 0x00,0x01 -> 0x0100
+ rv.push(v0 & 0xff, v0 >> 8);
+ }
+ remain = loop >> 3;
+ while (remain--) {
+ v0 = data[charCodeAt](++i);
+ v1 = data[charCodeAt](++i);
+ v2 = data[charCodeAt](++i);
+ v3 = data[charCodeAt](++i);
+ v4 = data[charCodeAt](++i);
+ v5 = data[charCodeAt](++i);
+ v6 = data[charCodeAt](++i);
+ v7 = data[charCodeAt](++i);
+ rv.push(v0 & 0xff, v0 >> 8, v1 & 0xff, v1 >> 8,
+ v2 & 0xff, v2 >> 8, v3 & 0xff, v3 >> 8,
+ v4 & 0xff, v4 >> 8, v5 & 0xff, v5 >> 8,
+ v6 & 0xff, v6 >> 8, v7 & 0xff, v7 >> 8);
+ }
+ iz % 2 && rv.pop();
+
+ return rv;
+}
+
+// inner - base64.encode
+function base64encode(data) { // @param ByteArray:
+ // @return Base64String:
+ var rv = [],
+ c = 0, i = -1, iz = data.length,
+ pad = [0, 2, 1][data.length % 3],
+ num2bin = _num2bin,
+ num2b64 = _num2b64;
+
+ if (globalScope.btoa) {
+ while (i < iz) {
+ rv.push(num2bin[data[++i]]);
+ }
+ return btoa(rv.join(""));
+ }
+ --iz;
+ while (i < iz) {
+ c = (data[++i] << 16) | (data[++i] << 8) | (data[++i]); // 24bit
+ rv.push(num2b64[(c >> 18) & 0x3f],
+ num2b64[(c >> 12) & 0x3f],
+ num2b64[(c >> 6) & 0x3f],
+ num2b64[ c & 0x3f]);
+ }
+ pad > 1 && (rv[rv.length - 2] = "=");
+ pad > 0 && (rv[rv.length - 1] = "=");
+ return rv.join("");
+}
+
+// --- init ---
+(function() {
+ var i = 0, v;
+
+ for (; i < 0x100; ++i) {
+ v = _toString(i);
+ _bin2num[v] = i; // "\00" -> 0x00
+ _num2bin[i] = v; // 0 -> "\00"
+ }
+ // http://twitter.com/edvakf/statuses/15576483807
+ for (i = 0x80; i < 0x100; ++i) { // [Webkit][Gecko]
+ _bin2num[_toString(0xf700 + i)] = i; // "\f780" -> 0x80
+ }
+})();
+
+_ie && document.write('<script type="text/vbscript">\
+Function vblen(b)vblen=LenB(b.responseBody)End Function\n\
+Function vbstr(b)vbstr=CStr(b.responseBody)+chr(0)End Function</'+'script>');
+
+})(this);

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