1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
(function(global){var compatibility={ArrayBuffer:typeof ArrayBuffer!=='undefined',DataView:typeof DataView!=='undefined'&&('getFloat64'in DataView.prototype||'getFloat64'in new DataView(new ArrayBuffer(1))),NodeBuffer:typeof Buffer!=='undefined'&&'readInt16LE'in Buffer.prototype};var dataTypes={'Int8':1,'Int16':2,'Int32':4,'Uint8':1,'Uint16':2,'Uint32':4,'Float32':4,'Float64':8};var nodeNaming={'Int8':'Int8','Int16':'Int16','Int32':'Int32','Uint8':'UInt8','Uint16':'UInt16','Uint32':'UInt32','Float32':'Float','Float64':'Double'};var jDataView=function(buffer,byteOffset,byteLength,littleEndian){if(!(this instanceof jDataView)){throw new Error("jDataView constructor may not be called as a function");}
this.buffer=buffer;if(!(compatibility.NodeBuffer&&buffer instanceof Buffer)&&!(compatibility.ArrayBuffer&&buffer instanceof ArrayBuffer)&&typeof buffer!=='string'){throw new TypeError('jDataView buffer has an incompatible type');}
this._isArrayBuffer=compatibility.ArrayBuffer&&buffer instanceof ArrayBuffer;this._isDataView=compatibility.DataView&&this._isArrayBuffer;this._isNodeBuffer=compatibility.NodeBuffer&&buffer instanceof Buffer;this._littleEndian=littleEndian===undefined?false:littleEndian;var bufferLength=this._isArrayBuffer?buffer.byteLength:buffer.length;if(byteOffset===undefined){byteOffset=0;}
this.byteOffset=byteOffset;if(byteLength===undefined){byteLength=bufferLength-byteOffset;}
this.byteLength=byteLength;if(!this._isDataView){if(typeof byteOffset!=='number'){throw new TypeError('jDataView byteOffset is not a number');}
if(typeof byteLength!=='number'){throw new TypeError('jDataView byteLength is not a number');}
if(byteOffset<0){throw new Error('jDataView byteOffset is negative');}
if(byteLength<0){throw new Error('jDataView byteLength is negative');}}
if(this._isDataView){this._view=new DataView(buffer,byteOffset,byteLength);this._start=0;}
this._start=byteOffset;if(byteOffset+byteLength>bufferLength){throw new Error("jDataView (byteOffset + byteLength) value is out of bounds");}
this._offset=0;if(this._isDataView){for(var type in dataTypes){if(!dataTypes.hasOwnProperty(type)){continue;}
(function(type,view){var size=dataTypes[type];view['get'+type]=function(byteOffset,littleEndian){if(littleEndian===undefined){littleEndian=view._littleEndian;}
if(byteOffset===undefined){byteOffset=view._offset;}
view._offset=byteOffset+size;return view._view['get'+type](byteOffset,littleEndian);}})(type,this);}}else if(this._isNodeBuffer&&compatibility.NodeBuffer){for(var type in dataTypes){if(!dataTypes.hasOwnProperty(type)){continue;}
var name;if(type==='Int8'||type==='Uint8'){name='read'+nodeNaming[type];}else if(littleEndian){name='read'+nodeNaming[type]+'LE';}else{name='read'+nodeNaming[type]+'BE';}
(function(type,view,name){var size=dataTypes[type];view['get'+type]=function(byteOffset,littleEndian){if(littleEndian===undefined){littleEndian=view._littleEndian;}
if(byteOffset===undefined){byteOffset=view._offset;}
view._offset=byteOffset+size;return view.buffer[name](view._start+byteOffset);}})(type,this,name);}}else{for(var type in dataTypes){if(!dataTypes.hasOwnProperty(type)){continue;}
(function(type,view){var size=dataTypes[type];view['get'+type]=function(byteOffset,littleEndian){if(littleEndian===undefined){littleEndian=view._littleEndian;}
if(byteOffset===undefined){byteOffset=view._offset;}
view._offset=byteOffset+size;if(view._isArrayBuffer&&(view._start+byteOffset)%size===0&&(size===1||littleEndian)){return new global[type+'Array'](view.buffer,view._start+byteOffset,1)[0];}else{if(typeof byteOffset!=='number'){throw new TypeError('jDataView byteOffset is not a number');}
if(byteOffset+size>view.byteLength){throw new Error('jDataView (byteOffset + size) value is out of bounds');}
return view['_get'+type](view._start+byteOffset,littleEndian);}}})(type,this);}}};if(compatibility.NodeBuffer){jDataView.createBuffer=function(){var buffer=new Buffer(arguments.length);for(var i=0;i<arguments.length;++i){buffer[i]=arguments[i];}
return buffer;}}else if(compatibility.ArrayBuffer){jDataView.createBuffer=function(){var buffer=new ArrayBuffer(arguments.length);var view=new Int8Array(buffer);for(var i=0;i<arguments.length;++i){view[i]=arguments[i];}
return buffer;}}else{jDataView.createBuffer=function(){return String.fromCharCode.apply(null,arguments);}}
jDataView.prototype={compatibility:compatibility,getString:function(length,byteOffset){var value;if(byteOffset===undefined){byteOffset=this._offset;}
if(typeof byteOffset!=='number'){throw new TypeError('jDataView byteOffset is not a number');}
if(length<0||byteOffset+length>this.byteLength){throw new Error('jDataView length or (byteOffset+length) value is out of bounds');}
if(this._isNodeBuffer){value=this.buffer.toString('ascii',this._start+byteOffset,this._start+byteOffset+length);}
else{value='';for(var i=0;i<length;++i){var char=this.getUint8(byteOffset+i);value+=String.fromCharCode(char>127?65533:char);}}
this._offset=byteOffset+length;return value;},getChar:function(byteOffset){return this.getString(1,byteOffset);},tell:function(){return this._offset;},seek:function(byteOffset){if(typeof byteOffset!=='number'){throw new TypeError('jDataView byteOffset is not a number');}
if(byteOffset<0||byteOffset>this.byteLength){throw new Error('jDataView byteOffset value is out of bounds');}
return this._offset=byteOffset;},_endianness:function(byteOffset,pos,max,littleEndian){return byteOffset+(littleEndian?max-pos-1:pos);},_getFloat64:function(byteOffset,littleEndian){var b0=this._getUint8(this._endianness(byteOffset,0,8,littleEndian)),b1=this._getUint8(this._endianness(byteOffset,1,8,littleEndian)),b2=this._getUint8(this._endianness(byteOffset,2,8,littleEndian)),b3=this._getUint8(this._endianness(byteOffset,3,8,littleEndian)),b4=this._getUint8(this._endianness(byteOffset,4,8,littleEndian)),b5=this._getUint8(this._endianness(byteOffset,5,8,littleEndian)),b6=this._getUint8(this._endianness(byteOffset,6,8,littleEndian)),b7=this._getUint8(this._endianness(byteOffset,7,8,littleEndian)),sign=1-(2*(b0>>7)),exponent=((((b0<<1)&0xff)<<3)|(b1>>4))-(Math.pow(2,10)-1),mantissa=((b1&0x0f)*Math.pow(2,48))+(b2*Math.pow(2,40))+(b3*Math.pow(2,32))+
(b4*Math.pow(2,24))+(b5*Math.pow(2,16))+(b6*Math.pow(2,8))+b7;if(exponent===1024){if(mantissa!==0){return NaN;}else{return sign*Infinity;}}
if(exponent===-1023){return sign*mantissa*Math.pow(2,-1022-52);}
return sign*(1+mantissa*Math.pow(2,-52))*Math.pow(2,exponent);},_getFloat32:function(byteOffset,littleEndian){var b0=this._getUint8(this._endianness(byteOffset,0,4,littleEndian)),b1=this._getUint8(this._endianness(byteOffset,1,4,littleEndian)),b2=this._getUint8(this._endianness(byteOffset,2,4,littleEndian)),b3=this._getUint8(this._endianness(byteOffset,3,4,littleEndian)),sign=1-(2*(b0>>7)),exponent=(((b0<<1)&0xff)|(b1>>7))-127,mantissa=((b1&0x7f)<<16)|(b2<<8)|b3;if(exponent===128){if(mantissa!==0){return NaN;}else{return sign*Infinity;}}
if(exponent===-127){return sign*mantissa*Math.pow(2,-126-23);}
return sign*(1+mantissa*Math.pow(2,-23))*Math.pow(2,exponent);},_getInt32:function(byteOffset,littleEndian){var b=this._getUint32(byteOffset,littleEndian);return b>Math.pow(2,31)-1?b-Math.pow(2,32):b;},_getUint32:function(byteOffset,littleEndian){var b3=this._getUint8(this._endianness(byteOffset,0,4,littleEndian)),b2=this._getUint8(this._endianness(byteOffset,1,4,littleEndian)),b1=this._getUint8(this._endianness(byteOffset,2,4,littleEndian)),b0=this._getUint8(this._endianness(byteOffset,3,4,littleEndian));return(b3*Math.pow(2,24))+(b2<<16)+(b1<<8)+b0;},_getInt16:function(byteOffset,littleEndian){var b=this._getUint16(byteOffset,littleEndian);return b>Math.pow(2,15)-1?b-Math.pow(2,16):b;},_getUint16:function(byteOffset,littleEndian){var b1=this._getUint8(this._endianness(byteOffset,0,2,littleEndian)),b0=this._getUint8(this._endianness(byteOffset,1,2,littleEndian));return(b1<<8)+b0;},_getInt8:function(byteOffset){var b=this._getUint8(byteOffset);return b>Math.pow(2,7)-1?b-Math.pow(2,8):b;},_getUint8:function(byteOffset){if(this._isArrayBuffer){return new Uint8Array(this.buffer,byteOffset,1)[0];}
else if(this._isNodeBuffer){return this.buffer[byteOffset];}else{return this.buffer.charCodeAt(byteOffset)&0xff;}}};if(typeof jQuery!=='undefined'&&jQuery.fn.jquery>="1.6.2"){var convertResponseBodyToText=function(byteArray){var scrambledStr;try{scrambledStr=IEBinaryToArray_ByteStr(byteArray);}catch(e){var IEBinaryToArray_ByteStr_Script="Function IEBinaryToArray_ByteStr(Binary)\r\n"+" IEBinaryToArray_ByteStr = CStr(Binary)\r\n"+"End Function\r\n"+"Function IEBinaryToArray_ByteStr_Last(Binary)\r\n"+" Dim lastIndex\r\n"+" lastIndex = LenB(Binary)\r\n"+" if lastIndex mod 2 Then\r\n"+" IEBinaryToArray_ByteStr_Last = AscB( MidB( Binary, lastIndex, 1 ) )\r\n"+" Else\r\n"+" IEBinaryToArray_ByteStr_Last = -1\r\n"+" End If\r\n"+"End Function\r\n";window.execScript(IEBinaryToArray_ByteStr_Script,'vbscript');scrambledStr=IEBinaryToArray_ByteStr(byteArray);}
var lastChr=IEBinaryToArray_ByteStr_Last(byteArray),result="",i=0,l=scrambledStr.length%8,thischar;while(i<l){thischar=scrambledStr.charCodeAt(i++);result+=String.fromCharCode(thischar&0xff,thischar>>8);}
l=scrambledStr.length
while(i<l){result+=String.fromCharCode((thischar=scrambledStr.charCodeAt(i++),thischar&0xff),thischar>>8,(thischar=scrambledStr.charCodeAt(i++),thischar&0xff),thischar>>8,(thischar=scrambledStr.charCodeAt(i++),thischar&0xff),thischar>>8,(thischar=scrambledStr.charCodeAt(i++),thischar&0xff),thischar>>8,(thischar=scrambledStr.charCodeAt(i++),thischar&0xff),thischar>>8,(thischar=scrambledStr.charCodeAt(i++),thischar&0xff),thischar>>8,(thischar=scrambledStr.charCodeAt(i++),thischar&0xff),thischar>>8,(thischar=scrambledStr.charCodeAt(i++),thischar&0xff),thischar>>8);}
if(lastChr>-1){result+=String.fromCharCode(lastChr);}
return result;};jQuery.ajaxSetup({converters:{'* dataview':function(data){return new jDataView(data);}},accepts:{dataview:"text/plain; charset=x-user-defined"},responseHandler:{dataview:function(responses,options,xhr){if('mozResponseArrayBuffer'in xhr){responses.text=xhr.mozResponseArrayBuffer;}
else if('responseType'in xhr&&xhr.responseType==='arraybuffer'&&xhr.response){responses.text=xhr.response;}
else if('responseBody'in xhr){responses.text=convertResponseBodyToText(xhr.responseBody);}
else{responses.text=xhr.responseText;}}}});jQuery.ajaxPrefilter('dataview',function(options,originalOptions,jqXHR){if(jQuery.support.ajaxResponseType){if(!options.hasOwnProperty('xhrFields')){options.xhrFields={};}
options.xhrFields.responseType='arraybuffer';}
options.mimeType='text/plain; charset=x-user-defined';});}
global.jDataView=(global.module||{}).exports=jDataView;if(typeof module!=='undefined'){module.exports=jDataView;}})(this);
|
