MediaWiki:Gadget-JSL.js
// (C) Andrea Giammarchi - JSL 1.4b
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[$has.length]="splice";Array.prototype.splice=function(){
var a,b,c,d=arguments.length,tmp=[],r=[];
if(d>1){
arguments[0]=parseInt(arguments[0]);
arguments[1]=parseInt(arguments[1]);
c=arguments[0]+arguments[1];
for(a=0,b=this.length;a<b;a++){
if(a<arguments[0]||a>=c){
if(a===c&&d>2){
for(a=2;a<d;a++)tmp.push(arguments[a]);
a=c;
};
tmp.push(this[a]);
}
r.push(this[a]);
};
for(a=0,b=tmp.length;a<b;a++)
this[a]=tmp[a];
this.length = a;
};
return r;
};
if(!Array.prototype.unshift){$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[$has.length]="indexOf";Array.prototype.indexOf=function(elm,i){
var j=this.length;
if(!i)i=0;
if(i>=0){while(i<j){if(this[i++]===elm){
i=i-1+j;j=i-j;
}}
j=this.indexOf(elm,j+i);
return j!==this.length?j:-1;
};
if(!Array.prototype.lastIndexOf){$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);