MediaWiki:Gadget-JSL.js
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/* (C) Andrea Giammarchi - JSL 1.4
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 undefined;
function $JSL(){
this.inArray=function(){
var tmp=false,i=arguments[1].length;
while(i&&!tmp)tmp=arguments[1][--i]===arguments[0];
return tmp;
};
this.has=function(str){return $JSL.inArray(str,$has)};
this.random=function(elm){
var tmp=$JSL.$random();
while(typeof(elm[tmp])!=="undefined")tmp=$JSL.$random();
return tmp;
};
this.$random=function(){return (Math.random()*1234567890).toString()};
this.reverse=function(str){return str.split("").reverse().join("")};
this.replace=function(str){
var tmp=str.split(""),i=tmp.length;
while(i>0)tmp[--i]=$JSL.$replace(tmp[i]);
return tmp.join("");
};
this.$replace=function(tmp){
var i=tmp.length===1?tmp.charCodeAt(0):0;
switch(i) {
case 8 :tmp="\\b";break;
case 10 :tmp="\\n";break;
case 11 :tmp="\\v";break;
case 12 :tmp="\\f";break;
case 13 :tmp="\\r";break;
case 34 :tmp="\\\"";break;
case 92 :tmp="\\\\";break;
default:
tmp=tmp.replace(/([\x00-\x07]|[\x0E-\x1F]|[\x7F-\xFF])/g,function(a,b){return "\\x"+$JSL.charCodeAt(b)}).
replace(/([\u0100-\uFFFF])/g,function(a,b){b=$JSL.charCodeAt(b);return b.length<4?"\\u0"+b:"\\u"+b});
break;
};
return tmp;
};
this.charCodeAt=function(str){return $JSL.$charCodeAt(str.charCodeAt(0))};
this.$charCodeAt=function(i){
var str=i.toString(16).toUpperCase();
return str.length<2?"0"+str:str;
};
this.$toSource=function(elm){return elm.toSource().replace(/^(\(new \w+\()([^\000]+)(\)\))$/,"$2")};
this.$toInternalSource=function(elm){
var tmp=null;
switch(elm.constructor) {
case Boolean:
case Number:
tmp=elm;
break;
case String:
tmp=$JSL.$toSource(elm);
break;
default:
tmp=elm.toSource();
break;
};
return tmp;
};
this.getElementsByTagName=function(scope,i,elm,str){
var tmp=$JSL.$getElementsByTagName(scope),j=tmp.length,$tmp=[];
while(i<j){if(tmp[i][str]===elm||elm==="*")$tmp.push($JSL.$getElementsByName(tmp[i]));++i};
if(!$tmp.item){if(!$JSL.has("item"))$has.push("item");$tmp.item=function(tmp){return this[tmp]}};
return $tmp;
};
this.$getElementsByTagName=function(scope){return scope.layers||scope.all};
this.$getElementsByName=function(elm) {
if(!elm.getElementsByTagName) elm.getElementsByTagName=document.getElementsByTagName;
return elm;
};
this.encodeURI=function(str){return str.replace(/"/g,"%22").replace(/\\/g,"%5C")};
this.$encodeURI=function(str){return $JSL.$charCodeAt(str)};
this.$encodeURIComponent=function(a,b){
var i=b.charCodeAt(0),str=[];
if(i<128) str.push(i);
else if(i<2048) str.push(0xC0+(i>>6),0x80+(i&0x3F));
else if(i<65536) str.push(0xE0+(i>>12),0x80+(i>>6&0x3F),0x80+(i&0x3F));
else str.push(0xF0+(i>>18),0x80+(i>>12&0x3F),0x80+(i>>6&0x3F),0x80+(i&0x3F));
return "%"+str.map($JSL.$encodeURI).join("%");
};
this.$decodeURIComponent=function(a,b,c,d,e){
var i=0;
if(e) i=parseInt(e.substr(1,2),16);
else if(d)i=((parseInt(d.substr(1,2),16)-0xC0)<<6)+(parseInt(d.substr(4,2),16)-0x80);
else if(c)i=((parseInt(c.substr(1,2),16)-0xE0)<<12)+((parseInt(c.substr(4,2),16)-0x80)<<6)+(parseInt(c.substr(7,2),16)-0x80);
else i=((parseInt(b.substr(1,2),16)-0xF0)<<18)+((parseInt(b.substr(4,2),16)-0x80)<<12)+((parseInt(b.substr(7,2),16)-0x80)<<6)+(parseInt(b.substr(10,2),16)-0x80);
return String.fromCharCode(i);
};
var $has=[];
if(!Function.prototype.apply){$has[$has.length]="apply";Function.prototype.apply=function(){
var i=arguments.length===2?arguments[1].length:0,str,tmp=[],elm=(""+this).replace(/[^\(]+/,"function");
if(!arguments[0])arguments[0]={};
while(i)tmp.unshift("arguments[1]["+(--i)+"]");
do{str="__".concat($JSL.random(arguments[0]).replace(/\./,"_"),"__")}while(new RegExp(str).test(elm));
eval("var ".concat(str,"=arguments[0];tmp=(",elm.replace(/([^$])\bthis\b([^$])/g,"$1".concat(str,"$2")),")(",tmp.join(","),")"));
return tmp;
}};
if(!Function.prototype.call){$has[$has.length]="call";Function.prototype.call=function(){
var i=arguments.length,tmp=[];
while(i>1)tmp.unshift(arguments[--i]);
return this.apply((i?arguments[0]:{}),tmp);
}};
if(!Array.prototype.pop){$has[$has.length]="pop";Array.prototype.pop=function(){
var a=this.length,r=this[--a];
if(a>=0)this.length=a;
return r;
}};
if(!Array.prototype.push){$has[$has.length]="push";Array.prototype.push=function(){
var a=0,b=arguments.length,r=this.length;
while(a<b)this[r++]=arguments[a++];
return r;
}};
if(!Array.prototype.shift){$has[$has.length]="shift";Array.prototype.shift=function(){
this.reverse();
var r=this.pop();
this.reverse();
return r;
}};
if(!Array.prototype.splice){$has[$has.length]="splice";Array.prototype.splice=function(){
var a,b,c,d=arguments.length,tmp=[],r=[];
if(d>1){
arguments[0]=parseInt(arguments[0]);
arguments[1]=parseInt(arguments[1]);
c=arguments[0]+arguments[1];
for(a=0,b=this.length;a<b;a++){
if(a<arguments[0]||a>=c){
if(a===c&&d>2){
for(a=2;a<d;a++)tmp.push(arguments[a]);
a=c;
};
tmp.push(this[a]);
}
else
r.push(this[a]);
};
for(a=0,b=tmp.length;a<b;a++)
this[a]=tmp[a];
this.length = a;
};
return r;
}};
if(!Array.prototype.unshift){$has[$has.length]="unshift";Array.prototype.unshift=function(){
var i=arguments.length;
this.reverse();
while(i>0)this.push(arguments[--i]);
this.reverse();
return this.length;
}};
if(!Array.prototype.indexOf){$has[$has.length]="indexOf";Array.prototype.indexOf=function(elm,i){
var j=this.length;
if(!i)i=0;
if(i>=0){while(i<j){if(this[i++]===elm){
i=i-1+j;j=i-j;
}}}
else
j=this.indexOf(elm,j+i);
return j!==this.length?j:-1;
}};
if(!Array.prototype.lastIndexOf){$has[$has.length]="lastIndexOf";Array.prototype.lastIndexOf=function(elm,i){
var j=-1;
if(!i)i=this.length;
if(i>=0){do{if(this[i--]===elm){
j=i+1;i=0;
}}while(i>0)}
else if(i>-this.length)
j=this.lastIndexOf(elm,this.length+i);
return j;
}};
if(!Array.prototype.every){$has[$has.length]="every";Array.prototype.every=function(callback,elm){
var b=false,i=0,j=this.length;
if(!elm){ while(i<j&&!b) b=!callback(this[i]||this.charAt(i),i++,this)}
else { while(i<j&&!b) b=!callback.apply(elm,[this[i]||this.charAt(i),i++,this]);}
return !b;
}};
if(!Array.prototype.filter){$has[$has.length]="filter";Array.prototype.filter=function(callback,elm){
var r=[],i=0,j=this.length;
if(!elm){while(i<j){if(callback(this[i],i++,this))
r.push(this[i-1]);
}} else {while(i<j){if(callback.apply(elm,[this[i],i++,this]))
r.push(this[i-1]);
}}
return r;
}};
if(!Array.prototype.forEach){$has[$has.length]="forEach";Array.prototype.forEach=function(callback,elm){
var i=0,j=this.length;
if(!elm){ while(i<j) callback(this[i],i++,this)}
else { while(i<j) callback.apply(elm,[this[i],i++,this]);}
}};
if(!Array.prototype.map){$has[$has.length]="map";Array.prototype.map=function(callback,elm){
var r=[],i=0,j=this.length;
if(!elm){ while(i<j) r.push(callback(this[i],i++,this))}
else { while(i<j) r.push(callback.apply(elm,[this[i],i++,this]));}
return r;
}};
if(!Array.prototype.some){$has[$has.length]="some";Array.prototype.some=function(callback,elm){
var b=false,i=0,j=this.length;
if(!elm){ while(i<j&&!b) b=callback(this[i],i++,this)}
else { while(i<j&&!b) b=callback.apply(elm,[this[i],i++,this]);}
return b;
}};
if(!String.prototype.lastIndexOf){if(!this.inArray("lastIndexOf",$has))$has[$has.length]="lastIndexOf";String.prototype.lastIndexOf=function(elm,i){
var str=$JSL.reverse(this),elm=$JSL.reverse(elm),r=str.indexOf(elm,i);
return r<0?r:this.length-r;
}};
if("aa".replace(/\w/g,function(){return arguments[1]+" "})!=="0 1 "){$has[$has.length]="replace";String.prototype.replace=function(replace){return function(reg,func){
var r="",tmp=$JSL.random(String);
String.prototype[tmp]=replace;
if(func.constructor!==Function)
r=this[tmp](reg,func);
else {
function getMatches(reg,pos,a) {
function io() {
var a=reg.indexOf("(",pos),b=a;
while(a>0&®.charAt(--a)==="\\"){};
pos=b!==-1?b+1:b;
return (b-a)%2===1?1:0;
};
do{a+=io()}while(pos!==-1);
return a;
};
function $replace(str){
var j=str.length-1;
while(j>0)str[--j]='"'+str[j].substr(1,str[j--].length-2)[tmp](/(\\|")/g,'\\$1')+'"';
return str.join("");
};
var p=-1,i=getMatches(""+reg,0,0),args=[],$match=this.match(reg),elm=$JSL.$random()[tmp](/\./,'_AG_');
while(this.indexOf(elm)!==-1)elm=$JSL.$random()[tmp](/\./,'_AG_');
while(i)args[--i]=[elm,'"$',(i+1),'"',elm].join("");
if(!args.length)r="$match[i],(p=this.indexOf($match[i++],p+1)),this";
else r="$match[i],"+args.join(",")+",(p=this.indexOf($match[i++],p+1)),this";
r=eval('['+$replace((elm+('"'+this[tmp](reg,'"'+elm+',func('+r+'),'+elm+'"')+'"')+elm).split(elm))[tmp](/\n/g,'\\n')[tmp](/\r/g,'\\r')+'].join("")');
};
delete String.prototype[tmp];
return r;
}}(String.prototype.replace)};
if((new Date().getYear()).toString().length===4){$has[$has.length]="getYear";Date.prototype.getYear=function(){
return this.getFullYear()-1900;
}};
};$JSL=new $JSL();
if(typeof(encodeURI)==="undefined"){function encodeURI(str){
var elm=/([\x00-\x20]|[\x25|\x3C|\x3E|\x5B|\x5D|\x5E|\x60|\x7F]|[\x7B-\x7D]|[\x80-\uFFFF])/g;
return $JSL.encodeURI(str.toString().replace(elm,$JSL.$encodeURIComponent));
}};
if(typeof(encodeURIComponent)==="undefined"){function encodeURIComponent(str){
var elm=/([\x23|\x24|\x26|\x2B|\x2C|\x2F|\x3A|\x3B|\x3D|\x3F|\x40])/g;
return $JSL.encodeURI(encodeURI(str).replace(elm,function(a,b){return "%"+$JSL.charCodeAt(b)}));
}};
if(typeof(decodeURIComponent)==="undefined"){function decodeURIComponent(str){
var elm=/(%F[0-9A-F]%E[0-9A-F]%[A-B][0-9A-F]%[8-9A-B][0-9A-F])|(%E[0-9A-F]%[A-B][0-9A-F]%[8-9A-B][0-9A-F])|(%[C-D][0-9A-F]%[8-9A-B][0-9A-F])|(%[0-9A-F]{2})/g;
return str.toString().replace(elm,$JSL.$decodeURIComponent);
}};
if(typeof(decodeURI)==="undefined"){function decodeURI(str){
return decodeURIComponent(str);
}};
if(!document.getElementById){document.getElementById=function(elm){
return $JSL.$getElementsByName($JSL.$getElementsByTagName(this)[elm]);
}};
if(!document.getElementsByTagName){document.getElementsByTagName=function(elm){
return $JSL.getElementsByTagName(this,0,elm.toUpperCase(),"tagName");
}};
if(!document.getElementsByName){document.getElementsByName=function(elm){
return $JSL.getElementsByTagName(this,0,elm,"name");
}};
if(typeof(XMLHttpRequest)==="undefined"){XMLHttpRequest=function(){
var tmp=null,elm=navigator.userAgent;
if(elm.toUpperCase().indexOf("MSIE 4")<0&&window.ActiveXObject)
tmp=elm.indexOf("MSIE 5")<0?new ActiveXObject("Msxml2.XMLHTTP"):new ActiveXObject("Microsoft.XMLHTTP");
return tmp;
}};
if(typeof(Error)==="undefined")Error=function(){};
Error = function(base){return function(message){
var tmp=new base();
tmp.message=message||"";
if(!tmp.fileName)
tmp.fileName=document.location.href;
if(!tmp.lineNumber)
tmp.lineNumber=0;
if(!tmp.stack)
tmp.stack="Error()@:0\n(\""+this.message+"\")@"+tmp.fileName+":"+this.lineNumber+"\n@"+tmp.fileName+":"+this.lineNumber;
if(!tmp.name)
tmp.name="Error";
return tmp;
}}(Error);