javascript格式化及压缩工具

本文介绍了一款实用的JavaScript代码格式化工具,能够帮助开发者自动调整代码格式并进行语法高亮,提高代码可读性和美观度。该工具支持多种格式化选项,并能有效处理各种复杂的JavaScript语法结构。
<html>
<head>
<title>JSer </title>
<meta http-equiv="content-type" content="text/html; charset=gb2312" />
<style>
/* Global CSS */
{padding:0px;margin:0px; font-size:13px;font-family: arial 宋体; }
html
{overflow:hidden;}
body
{ overflow:auto; border:0px none black; background-color:buttonface; }
li 
{ margin:0px 0px 0px 40px; padding:2px 4px; }

/* Class CSS */
.quote 
{ color:#999; }
.comments 
{ color: #009090; }
.indent 
{ margin-left:25px; }
.regexp 
{ color:#F000F0; }

/* Identified CSS */
#divTools 
{ height:20px; border-bottom:1px solid #555; padding-left:15px; }
#divTools a 
{ color:navy; text-decoration:none; height:20px; line-height:20px; padding:0px 25px; }
#divTools a:hover 
{ color:white; background-color:navy; text-decoration:none; height:20px; line-height:20px; }
#divJSInput 
{ display:none; width:600px; height:450px; border:2px outset buttonface; position:absolute; background-color:buttonface; z-Index:2; }
#divJSInputTitle 
{ color:white; background-color:navy; height:20px; line-height:20px; padding:0px 10px; cursor:default; }
#txtJSInput 
{ width:598px; height:406px; overflow:auto; padding:4px 8px; background-color:white;}
#divJSInputBar 
{ height:24px; padding:0px 4px; }
#divJSInputBar input 
{ width:110px; height:22px; border:1px solid #555; line-height:20px; }
#divJSOutput 
{ background-color:white; border:1px inset buttonface; width:99%; height:500px; overflow:auto; }
#divWaiting 
{ display:none; width:400px; height:60px; border:1px solid buttonface; position:absolute; background-color:#E0F0F0; z-Index:3; text-align:center; padding-top:10px; }
#divWaiting input 
{ width:140px; height:22px; border:1px solid #555; line-height:20px; cursor:default; margin-top:4px; }
</style>
<script type="text/javascript">
/**********************
 Author: Hutia
********************
*/

window.onload
=init;

// Static Variable
var KEYWORDS="abstract break byte case catch char class const continue default delete do double else extends false final finally float for function goto if implements import in instanceof int interface long native null package private protected public reset return short static super switch synchronized this throw transient true try var void while with";
var OBJECTS="Anchor Applet Area Arguments Array Boolean Button Checkbox Collection Crypto Date Dictionary Document Drive Drives Element Enumerator Event File FileObject FileSystemObject FileUpload Folder Folders Form Frame Function Global Hidden History HTMLElement Image Infinity Input JavaArray JavaClass JavaObject JavaPackage JSObject Layer Link Math MimeType Navigator Number Object Option Packages Password Plugin PrivilegeManager Random RegExp Screen Select String Submit Text Textarea URL VBArray Window WScript";
var METHODS_PROPERTIES="above abs acos action activeElement alert alinkColor all altKey anchor anchors appCodeName applets apply appName appVersion arguments arity asin assign atan atan2 atob  availHeight availLeft availTop availWidth ActiveXObject back background below bgColor big blink blur bold border borderWidths bottom btoa button call callee caller cancelBubble captureEvents ceil charAt charCodeAt charset checked children classes className clear clearInterval clearTimeout click clientInformation  clientX clientY close closed colorDepth compile complete concat confirm constructir contains contextual cookie cos crypto ctrlKey current data defaultCharset defaultChecked defaultSelected defaultStatus defaultValue description disableExternalCapture disablePrivilege document domain E Echo  element elements embeds enabledPlugin enableExternalCapture enablePrivilege encoding escape eval event exec exp expando FromPoint fgColor fileName find fixed floor focus fontColor fontSize form forms forward frames fromCharCode fromElement  getAttribute get getClass getDate getDay getFullYear getHours getMember getMilliseconds getMinutes getMonth getSeconds getSelection getSlot getTime getTimezoneOffset  getUTCDate getUTCDay getUTCFullYear getUTCHours getUTCMilliseconds getUTCMinutes getUTCMonth getUTCSeconds getWindow getYear global go HandleEvent Height  hash hidden history home host hostName href hspace id ids ignoreCase images index indexOf inner innerHTML innerText innerWidth insertAdjacentHTML insertAdjacentText isFinite isNAN italics java javaEnabled join keyCode Links LN10 LN2 LOG10E LOG2E  lang language lastIndex lastIndexOf lastMatch lastModified lastParen layers layerX layerY left leftContext length link linkColor load location locationBar log lowsrc MAX_VALUE MIN_VALUE  margins match max menubar method mimeTypes min modifiers moveAbove moveBelow moveBy moveTo moveToAbsolute multiline NaN NEGATIVE_INFINITY  name navigate navigator netscape next number offscreenBuffering offset offsetHeight offsetLeft offsetParent offsetTop offsetWidth offsetX offsetY onabort onblur onchange onclick ondblclick ondragdrop onerror onfocus  onHelp onkeydown onkeypress onkeyup onload onmousedown onmousemove onmouseout onmouseover onmouseup onmove onreset onresize onsubmit onunload open opener options outerHeight  outerHTML outerText outerWidth POSITIVE_INFINITY PI  paddings pageX pageXOffset pageY pageYOffset parent parentElement parentLayer parentWindow parse parseFloat parseInt pathname personalbar pixelDepth platform plugins pop  port pow preference previous print prompt protocol prototype push random readyState reason referrer refresh releaseEvents reload removeAttribute removeMember replace resizeBy resizeTo returnValue reverse right rightcontext round SQRT1_2 SQRT2  screenX screenY scroll scrollbars scrollBy scrollIntoView scrollTo search select selected selectedIndex self setAttribute setDay setFullYear setHotkeys setHours setInterval  setMember setMilliseconds setMinutes setMonth setResizable setSeconds setSlot setTime setTimeout setUTCDate setUTCFullYear setUTCHours setUTCMillseconds setUTCMinutes  setUTCMonth setUTCSeconds setYear setZOptions shift shiftKey siblingAbove siblingBelow signText sin slice smallsort source sourceIndex splice split sqrt src  srcElement srcFilter status statusbar stop strike style sub submit substr substring suffixes sun sup systemLanguage TYPE  tagName tags taint taintEnabled tan target test text title toElement toGMTString toLocaleString toLowerCase toolbar top toString toUpperCase toUTCString type typeOf UTC unescape unshift untaint unwatch userAgent userLanguage  value valueOf visibility vlinkColor vspace watch which width window write writeln x y zIndex";
var OPS="! $ % & * + - // / : < = > ? [ ] ^ | ~ is  new sizeof  typeof unchecked";

var regKW=new RegExp("(/W"+KEYWORDS.replace(/ /g,"$)|(/W")+"$)","g");
var regObj=new RegExp("(/W"+OBJECTS.replace(/ /g,"$)|(/W")+"$)","g");
var regMP=new RegExp("(/W"+METHODS_PROPERTIES.replace(/ /g,"$)|(/W")+"$)","g");
//var regOP=new RegExp("(/W"+OPS.replace(/ /g,"$)|(/W")+"$)","g");

var colorKW="blue";
var colorObj="red";
var colorMP="#FF8000";
var colorOP="#004000";

//------------------
//
 Global Variables
//
------------------
var divJSInput, txtJSInput, divJSOutput, divWaiting, spnProcess;
var glbStr, glbP, glbRe, curRe, glbTimer;


function init(){
 
// init global variables
 divJSInput=document.getElementById("divJSInput");
 txtJSInput
=document.getElementById("txtJSInput");
 divJSOutput
=document.getElementById("divJSOutput");
 divWaiting
=document.getElementById("divWaiting");
 spnProcess
=document.getElementById("spnProcess");
 
 
// init window state
 //maximizeWindow();
 
//divJSOutput.style.width=document.body.clientWidth-2;
//
 divJSOutput.style.height=document.body.clientHeight-36;

// init global events
 divJSInput.onkeydown=divJSInput_keydown;
}

// event scripts
function divJSInput_keydown(e){
 
var e=window.event?window.event:e;
 
var srcEle=e.srcElement?e.srcElement:e.target;
 
var sel;
 
if(e.keyCode==27)hideJSInput();
 
if(e.keyCode==13&&e.ctrlKey)execJSInput();
 
if(e.keyCode==9&&srcEle==txtJSInput){
  document.selection.createRange().text
=" ";return(false); // not support FF 
 }
}




// functional scripts
function showJSInput(){
 
with(divJSInput.style){
  display
="block";
  left
=(document.body.clientWidth-divJSInput.offsetWidth)/2;
  top
=(document.body.clientHeight-divJSInput.offsetHeight)/2;
 }
 
 txtJSInput.focus();
 
 
return(false);
}

function hideJSInput(){
 divJSInput.style.display
="none";
}

function execJSInput(){
 hideJSInput();
 
 divJSOutput.innerHTML
="";
 
 glbStr
=txtJSInput.value.replace(/ [  ]+/gi," ").replace(/( )+/gi," ");
 glbP
=0;
 curRe
=glbRe=document.createElement("div");
 
 divJSOutput.appendChild(glbRe);
 
 glbRe.className
="codeRoot";
 
 showWait();
 core_analysis();
}

function showWait(){
 document.body.style.cursor
="wait";
 
 
with(divWaiting.style){
  display
="block";
  left
=(document.body.clientWidth-divWaiting.offsetWidth)/2;
  top
=(document.body.clientHeight-divWaiting.offsetHeight)/2;
 }
 spnProcess.innerHTML
="0.00%  ( 0 / 0 )"
 
return(false);
}

function stopExec(){
 document.body.style.cursor
="";
 divWaiting.style.display
="none";
 
try{clearTimeout(glbTimer);}catch(e){}
 
 
return(false);
}

function core_analysis(){
 
var str=" ", c="", lastState="", seq, intNextQuote, intTemp, intCount, intWordStart;
 spnProcess.innerHTML
=parseFloat(glbP/glbStr.length*100).toFixed(2)+"%  ( "+glbP+" / "+glbStr.length+" )";
 
for(var i=glbP;i<glbStr.length;i++){
  c
=glbStr.charAt(i);
  str
+=htmlEncode(c);
  
switch(c){
   
case " "case " "case " ":
    
if(lastState==" "){str=" ";break;}
    
if(c.match(/W/)&&glbStr.charAt(i-1).match(/w/)){
     str
=str.substring(0,str.length-htmlEncode(c).length);
     str
=str.replace(regKW,clKW).replace(regObj,clObj).replace(regMP,clMP)+htmlEncode(c);
    }
   
break;
   
case " "case ";":
    
if(lastState==" "){str=" ";break;}
    outputLn(str);
    str
=" ";
    lastState
=" ";
    
if(i-glbP>200){
     glbP
=i+1;
     glbTimer
=setTimeout(core_analysis);
     
return;
    }
   
break;
   
case """:
    intNextQuote
=i;
    
while(intNextQuote!=-1&&intNextQuote<glbStr.length){
     intNextQuote
=glbStr.indexOf(""",intNextQuote+1);
     
if(intNextQuote==-1||glbStr.charAt(intNextQuote-1)!="/")break;
     intCount
=0; intTemp=intNextQuote;
     
while(glbStr.charAt(--intTemp)=="/")intCount++;
     
if(intCount%2==0)break;
    }
    
if(intNextQuote==-1)break;
    str
+="<span class="quote">"+htmlEncode(glbStr.substring(i+1,intNextQuote))+"</span>"";
    i
=intNextQuote;
    lastState
="";
   
break;
   
case "'":
    intNextQuote
=i;
    
while(intNextQuote!=-1&&intNextQuote<glbStr.length){
     intNextQuote
=glbStr.indexOf("'",intNextQuote+1);
     
if(intNextQuote==-1||glbStr.charAt(intNextQuote-1)!="/")break;
     intCount
=0; intTemp=intNextQuote;
     
while(glbStr.charAt(--intTemp)=="/")intCount++;
     
if(intCount%2==0)break;
    }
    
if(intNextQuote==-1)break;
    str
+="<span class="quote">"+htmlEncode(glbStr.substring(i+1,intNextQuote))+"</span>'";
    i
=intNextQuote;
    lastState
="";
   
break;
   
case "/":
    
if(glbStr.charAt(i+1)=="/"){
     intNextQuote
=i;
     intNextQuote
=glbStr.indexOf(" ",intNextQuote+1);
     
if(intNextQuote==-1)intNextQuote=glbStr.length;
     str
=str.substring(0,str.length-1);
     str
+="<span class="comments">/"+htmlEncode(glbStr.substring(i+1,intNextQuote))+"</span>";
     i
=intNextQuote;
    }
else if(glbStr.charAt(i+1)=="*"){
     intNextQuote
=i;
     intNextQuote
=glbStr.indexOf("*/",intNextQuote+1);
     
if(intNextQuote==-1)return;
     str
=str.substring(0,str.length-1);
     str
+="<span class="comments">/"+htmlEncode(glbStr.substring(i+1,intNextQuote))+"*/</span>";
     i
=intNextQuote+1;
    }
else if(str.match(/[=(][  ]*//)){
     intNextQuote=i;
     
while(intNextQuote!=-1&&intNextQuote<glbStr.length){
      intNextQuote
=glbStr.indexOf("/",intNextQuote+1);
      
if(intNextQuote==-1||glbStr.charAt(intNextQuote-1)!="/")break;
      intCount
=0; intTemp=intNextQuote;
      
while(glbStr.charAt(--intTemp)=="/")intCount++;
      
if(intCount%2==0)break;
     }
     
if(intNextQuote==-1)break;
     str
+="<span class="regexp">"+htmlEncode(glbStr.substring(i+1,intNextQuote))+"</span>/";
     i
=intNextQuote;
     lastState
="";
    }
    lastState
="";
   
break;
   
case "{":
    outputLn(str);
    str
=" ";
    seq
=document.createElement("div");
    seq.className
="indent";
    curRe.appendChild(seq);
    curRe
=seq;
    lastState
=" ";
    
if(i-glbP>200){
     glbP
=i+1;
     glbTimer
=setTimeout(core_analysis);
     
return;
    }
   
break;
   
case "}":
    outputLn(str.substring(
0,str.length-1));
    str
="";
    lastState
="";
    curRe
=curRe.parentNode;
   
break;
   
default:
    
if(c.match(/w/)&&glbStr.charAt(i-1).match(/W/)){intWordStart=i;}
    
if(c.match(/W/)&&glbStr.charAt(i-1).match(/w/)){
     str
=str.substring(0,str.length-htmlEncode(c).length);
     str
=str.replace(regKW,clKW).replace(regObj,clObj).replace(regMP,clMP)+htmlEncode(c);
    }
    lastState
="";
   
break;
  }
 }
 
 
if(i==glbStr.length){
  
if(str!=""){ outputLn(str); str=" "; }
  stopExec();
 }

}

function outputLn(theStr){
 
var seq=document.createElement("p");
 seq.innerHTML
=theStr;
 curRe.appendChild(seq);
}

function clKW(str){ return(str.charAt(0)+str.substring(1).fontcolor(colorKW)); }
function clObj(str){ return(str.charAt(0)+str.substring(1).fontcolor(colorObj)); }
function clMP(str){ return(str.charAt(0)+str.substring(1).fontcolor(colorMP)); }
function clOP(str){ return(str.charAt(0)+str.substring(1).fontcolor(colorOP)); }


// global scripts
function maximizeWindow(){
 window.moveTo(
0,0);
 window.resizeTo(screen.availWidth,screen.availHeight);
}

function htmlEncode(strS){
 
return(strS.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/ /g,"&nbsp;").replace(/ /g,"<br/>"));
}
</script>
</head>
<body>

<div id="divTools">
<href="#" onclick="return(showJSInput());">输入JS</a>
</div>

<div id="divJSInput">
 
<div id="divJSInputTitle">请输入JS:</div>
  
<textarea id="txtJSInput">
  
  
</textarea>
  
<div id="divJSInputBar">
  
<input type="button" value="OK" onclick="execJSInput();" />
  
<input type="button" value="Cancel" onclick="hideJSInput();" />
 
</div>
</div>

<div id="divJSOutput"></div>

<div id="divWaiting">
 Processing...
<span id="spnProcess"></span><br>
 
<input type="button" value="Stop" onclick="stopExec();" />
</div>
</body>
</html>
 javascript格式化及代码着色工具可以格式化javascript代码并在格式化的同时对代码进行着色
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html><head><title>Format</title>
<meta http-equiv=Content-Type content="text/html; charset=gb2312">
<style type="text/css">
    html{overflow:hidden;}
    textarea{width:
100%;height:250px;}
</style>
</head>
<body>
<script language=JavaScript>
<!--
/*
=========================================================================================
**    类名:CLASS_FORMATER
**    功能:JS格式化  
**    示例:  
    ---------------------------------------------------------------------------------------------------  
  
            var xx        = new CLASS_FORMATER(code);            

            document.getElementById("display").innerHTML = xx.format(); 
  
    ---------------------------------------------------------------------------------------------------  
**    作者:ttyp  
**    邮件:ttyp@21cn.com  
**    日期:2006-5-21  
**    版本:0.1
**    =========================================================================================
*
*/

function CLASS_FORMAT(code) {
    
//哈希表类
    function Hashtable() {
        
this._hash=new Object();
        
this.add=function (key,value) {
            
if(typeof(key)!="undefined") {
                
if(this.contains(key)==false) {
                    
this._hash[key]=typeof(value)=="undefined"?null:value;
                    
return true;
                }
else {
                    
return false;
                }
            }
else {
                
return false;
            }
        }
        
this.remove=function (key) {
            
delete this._hash[key];
        }
        
this.count=function () {
            
var i=0;
            
for(var k in this._hash) {
                i
++;
            }
return i;
        }
        
this.items=function (key) {
            
return this._hash[key];
        }
        
this.contains=function (key) {
            
return typeof(this._hash[key])!="undefined";
        }
        
this.clear=function () {
            
for(var k in this._hash) {
                
delete this._hash[k];
            }
        }
    }
    
this._caseSensitive=true;
    
//字符串转换为哈希表
    this.str2hashtable=function (key,cs) {
        
var _key=key.split(/,/g);
        
var _hash=new Hashtable();
        
var _cs=true;
        
if(typeof(cs)=="undefined"||cs==null) {
            _cs
=this._caseSensitive;
        }
else {
            _cs
=cs;
        }
        
for(var i in _key) {
            
if(_cs) {
                _hash.add(_key[i]);
            }
else {
                _hash.add((_key[i]
+"").toLowerCase());
            }
        }
        
return _hash;
    }
    
//获得需要转换的代码
    this._codetxt=code;
    
if(typeof(syntax)=="undefined") {
        syntax
="";
    }
    
this._deleteComment=false;
    
//是否大小写敏感
    this._caseSensitive=true;
    
//可以后面加块语句的关键字
    this._blockElement=this.str2hashtable("switch,if,while,try,finally");
    
//是函数申明
    this._function=this.str2hashtable("function");
    
//本行括号内分号不做换行
    this._isFor="for";
    
this._choiceElement=this.str2hashtable("else,catch");
    
this._beginBlock="{";
    
this._endBlock="}";
    
this._singleEyeElement=this.str2hashtable("var,new,return,else,delete,in,case");
    
//得到分割字符
    this._wordDelimiters="  ,.?!;://<>() {}[]"' =+-|*%@#$^&";
    
//引用字符
    this._quotation=this.str2hashtable("",'");
    
//行注释字符
    this._lineComment="//";
    
//转义字符
    this._escape="/";
    
//多行引用开始
    this._commentOn="/*";
    
//多行引用结束
    this._commentOff="*/";
    
//行结束词
    this._rowEnd=";";
    
this._in="in";
    
this.isCompress=false;
    
this.style=0;
    
this._tabNum=0;
    
this.format=function () {
        
var codeArr=new Array();
        
var word_index=0;
        
var htmlTxt=new Array();
        
if(this.isCompress) {
            
this._deleteComment=true;
        }
        
//得到分割字符数组(分词)
        for(var i=0;i<this._codetxt.length;i++) {
            
if(this._wordDelimiters.indexOf(this._codetxt.charAt(i))==-1) {
                
//找不到关键字
                if(codeArr[word_index]==null||typeof(codeArr[word_index])=='undefined') {
                    codeArr[word_index]
="";
                }
                codeArr[word_index]
+=this._codetxt.charAt(i);
            }
else {
                
if(typeof(codeArr[word_index])!='undefined'&&codeArr[word_index].length>0)
                word_index
++;
                codeArr[word_index
++]=this._codetxt.charAt(i);
            }
        }
        
var quote_opened=false;
        
//引用标记
        var slash_star_comment_opened=false;
        
//多行注释标记
        var slash_slash_comment_opened=false;
        
//单行注释标记
        var line_num=1;
        
//行号
        var quote_char="";
        
//引用标记类型
        var function_opened=false;
        
var bracket_open=false;
        
var for_open=false;
        
//按分割字,分块显示
        for(var i=0;i<=word_index;i++) {
            
//处理空行(由于转义带来)
            if(typeof(codeArr[i])=="undefined"||codeArr[i].length==0) {
                
continue;
            }
else if(codeArr[i]==" "||codeArr[i]==" ") {
                
if(slash_slash_comment_opened||slash_star_comment_opened) {
                    
if(!this._deleteComment) {
                        htmlTxt[htmlTxt.length]
=codeArr[i];
                    }
                }
                
if(quote_opened) {
                    htmlTxt[htmlTxt.length]
=codeArr[i];
                }
            }
else if(codeArr[i]==" ") {
                
//处理换行
            }else if(codeArr[i]==" ") {
                slash_slash_comment_opened
=false;
                quote_opened
=false;
                line_num
++;
                
if(!this.isCompress) {
                    htmlTxt[htmlTxt.length]
=" "+this.getIdent();
                }
                
//处理function里的参数标记
            }else if(!slash_slash_comment_opened&&!slash_star_comment_opened&&!quote_opened&&this.isFunction(codeArr[i])) {
                htmlTxt[htmlTxt.length]
=codeArr[i]+" ";
                function_opened
=true;
            }
else if(!slash_slash_comment_opened&&!slash_star_comment_opened&&!quote_opened&&codeArr[i]==this._isFor) {
                htmlTxt[htmlTxt.length]
=codeArr[i];
                for_open
=true;
            }
else if(!slash_slash_comment_opened&&!slash_star_comment_opened&&!quote_opened&&codeArr[i]=="(") {
                bracket_open
=true;
                htmlTxt[htmlTxt.length]
=codeArr[i];
            }
else if(!slash_slash_comment_opened&&!slash_star_comment_opened&&!quote_opened&&codeArr[i]==")") {
                bracket_open
=false;
                htmlTxt[htmlTxt.length]
=codeArr[i];
            }
else if(!slash_slash_comment_opened&&!slash_star_comment_opened&&!quote_opened&&codeArr[i]==this._rowEnd) {
                
if(!this.isCompress) {
                    
if(!for_open) {
                        
if(i<word_index&&(codeArr[i+1]!=" "&&codeArr[i+1]!=" ")) {
                            htmlTxt[htmlTxt.length]
=codeArr[i]+" "+this.getIdent();
                        }
else {
                            htmlTxt[htmlTxt.length]
=codeArr[i]+this.getIdent();
                        }
                    }
else {
                        htmlTxt[htmlTxt.length]
=codeArr[i];
                    }
                }
else {
                    htmlTxt[htmlTxt.length]
=codeArr[i];
                }
            }
else if(!slash_slash_comment_opened&&!slash_star_comment_opened&&!quote_opened&&codeArr[i]==this._beginBlock) {
                for_open
=false;
                
if(!this.isCompress) {
                    
switch(this.style) {
                        
case 0:
                        
this._tabNum++;
                        htmlTxt[htmlTxt.length]
=codeArr[i]+" "+this.getIdent();
                        
break;
                        
case 1:
                        htmlTxt[htmlTxt.length]
=" "+this.getIdent();
                        
this._tabNum++;
                        htmlTxt[htmlTxt.length]
=codeArr[i]+" "+this.getIdent();
                        
break;
                        
default:
                        
this._tabNum++;
                        htmlTxt[htmlTxt.length]
=codeArr[i];
                        
break;
                    }
                }
else {
                    htmlTxt[htmlTxt.length]
=codeArr[i];
                }
            }
else if(!slash_slash_comment_opened&&!slash_star_comment_opened&&!quote_opened&&codeArr[i]==this._endBlock) {
                
if(!this.isCompress) {
                    
this._tabNum--;
                    
if(i<word_index&&codeArr[i+1]!=this._rowEnd) {
                        htmlTxt[htmlTxt.length]
=" "+this.getIdent()+codeArr[i];
                    }
else {
                        htmlTxt[htmlTxt.length]
=" "+this.getIdent()+codeArr[i];
                    }
                }
else {
                    
if(i<word_index&&codeArr[i+1]!=this._rowEnd) {
                        htmlTxt[htmlTxt.length]
=codeArr[i]+this._rowEnd;
                    }
else {
                        htmlTxt[htmlTxt.length]
=codeArr[i];
                    }
                }
                
//处理关键字
            }else if(!slash_slash_comment_opened&&!slash_star_comment_opened&&!quote_opened&&this.isBlockElement(codeArr[i])) {
                htmlTxt[htmlTxt.length]
=codeArr[i];
                
//处理内置对象(后面加一个空格)
            }else if(!slash_slash_comment_opened&&!slash_star_comment_opened&&!quote_opened&&this.isSingleEyeElement(codeArr[i])) {
                
if(codeArr[i]==this._in) {
                    htmlTxt[htmlTxt.length]
=" ";
                }
                htmlTxt[htmlTxt.length]
=codeArr[i]+" ";
                
//处理双引号(引号前不能为转义字符)
            }else if(!slash_star_comment_opened&&!slash_slash_comment_opened&&this._quotation.contains(codeArr[i])) {
                
if(quote_opened) {
                    
//是相应的引号
                    if(quote_char==codeArr[i]) {
                        htmlTxt[htmlTxt.length]
=codeArr[i];
                        quote_opened
=false;
                        quote_char
="";
                    }
else {
                        htmlTxt[htmlTxt.length]
=codeArr[i];
                    }
                }
else {
                    htmlTxt[htmlTxt.length]
=codeArr[i];
                    quote_opened
=true;
                    quote_char
=codeArr[i];
                }
                
//处理转义字符
            }else if(codeArr[i]==this._escape) {
                htmlTxt[htmlTxt.length]
=codeArr[i];
                
if(i<word_index-1) {
                    
if(codeArr[i+1].charCodeAt(0)>=32&&codeArr[i+1].charCodeAt(0)<=127) {
                        htmlTxt[htmlTxt.length]
=codeArr[i+1].substr(0,1);
                        htmlTxt[htmlTxt.length]
=codeArr[i+1].substr(1);
                        i
=i+1;
                    }
                }
                
//处理多行注释的开始
            }else if(!slash_slash_comment_opened&&!slash_star_comment_opened&&!quote_opened&&this.isStartWith(this._commentOn,codeArr,i)) {
                slash_star_comment_opened
=true;
                
if(!this._deleteComment) {
                    htmlTxt[htmlTxt.length]
=this._commentOn;
                }
                i
=i+this.getSkipLength(this._commentOn);
                
//处理单行注释
            }else if(!slash_slash_comment_opened&&!slash_star_comment_opened&&!quote_opened&&this.isStartWith(this._lineComment,codeArr,i)) {
                slash_slash_comment_opened
=true;
                
if(!this._deleteComment) {
                    htmlTxt[htmlTxt.length]
=this._lineComment;
                }
                i
=i+this.getSkipLength(this._lineComment);
                
//处理忽略词
            }else if(!slash_slash_comment_opened&&!slash_star_comment_opened&&!quote_opened&&this.isStartWith(this._ignore,codeArr,i)) {
                slash_slash_comment_opened
=true;
                htmlTxt[htmlTxt.length]
=this._ignore;
                i
=i+this.getSkipLength(this._ignore);
                
//处理多行注释结束
            }else if(!quote_opened&&!slash_slash_comment_opened&&this.isStartWith(this._commentOff,codeArr,i)) {
                
if(slash_star_comment_opened) {
                    slash_star_comment_opened
=false;
                    
if(!this._deleteComment) {
                        htmlTxt[htmlTxt.length]
=this._commentOff;
                    }
                    i
=i+this.getSkipLength(this._commentOff);
                }
            }
else {
                
//不是在字符串中
                if(!quote_opened) {
                    
//如果不是在注释重
                    if(!slash_slash_comment_opened&&!slash_star_comment_opened) {
                        htmlTxt[htmlTxt.length]
=codeArr[i];
                        
//注释中
                    }else {
                        
if(!this._deleteComment) {
                            htmlTxt[htmlTxt.length]
=codeArr[i];
                        }
                    }
                }
else {
                    htmlTxt[htmlTxt.length]
=codeArr[i];
                }
            }
        }
        
return htmlTxt.join("");
    }
    
this.isStartWith=function (str,code,index) {
        
if(typeof(str)!="undefined"&&str.length>0) {
            
var cc=new Array();
            
for(var i=index;i<index+str.length;i++) {
                cc[cc.length]
=code[i];
            }
            
var c=cc.join("");
            
if(this._caseSensitive) {
                
if(str.length>=code[index].length&&c.indexOf(str)==0) {
                    
return true;
                }
            }
else {
                
if(str.length>=code[index].length&&c.toLowerCase().indexOf(str.toLowerCase())==0) {
                    
return true;
                }
            }
            
return false;
        }
else {
            
return false;
        }
    }
    
this.isFunction=function (val) {
        
return this._function.contains(this._caseSensitive?val:val.toLowerCase());
    }
    
this.isBlockElement=function (val) {
        
return this._blockElement.contains(this._caseSensitive?val:val.toLowerCase());
    }
    
this.isChoiceElement=function (val) {
        
return this._choiceElement.contains(this._caseSensitive?val:val.toLowerCase());
    }
    
this.isSingleEyeElement=function (val) {
        
return this._singleEyeElement.contains(this._caseSensitive?val:val.toLowerCase());
    }
    
this.isNextElement=function (from,word) {
        
for(var i=from;i<word.length;i++) {
            
if(word[i]!=" "&&word[i]!=" "&&word[i]!=" "&&word[i]!=" ") {
                
return this.isChoiceElement(word[i]);
            }
        }
        
return false;
    }
    
this.getSkipLength=function (val) {
        
var count=0;
        
for(var i=0;i<val.length;i++) {
            
if(this._wordDelimiters.indexOf(val.charAt(i))>=0) {
                count
++;
            }
        }
        
if(count>0) {
            count
=count-1;
        }
        
return count;
    }
    
this.getIdent=function () {        //添加字符缩进
        var n=[];
        
for(var i=0;i<this._tabNum;i++) {
            n[n.length]
=" ";                //缩进字符
        }
        
return n.join("");
    }
}

function doformat(o) {
    
var htmltxt="";
    
if(o==null) {
        alert(
"domNode is null!");
        
return ;
    }
    
var _codetxt="";
    
if(typeof(o)=="object") {
        
switch(o.tagName) {
            
case "TEXTAREA":
            
case "INPUT":
            _codetxt
=o.value;
            
break;
            
case "DIV":
            
case "SPAN":
            _codetxt
=o.innerText;
            
break;
            
default:
            _codetxt
=o.innerHTML;
            
break;
        }
    }
else {
        _codetxt
=o;
    }
    
var _syn=new CLASS_FORMAT(_codetxt);
    htmltxt
=_syn.format();
    
return htmltxt;
}

function go()
{
    
var code=document.getElementById("code").value;
    
var xx=new CLASS_FORMAT(code);    
    
var a=new Date();
    
var code1;        //格式化之后对code 继续格式化

    
if(document.getElementById('cboOperate').selectedIndex==1) {
        xx.isCompress
=true;
    }
else {
        xx.style
=parseInt(document.getElementById('cboStyle').value);
    }
    code1
=xx.format();
    code1
=code1.replace(/s* /g,' ');        //去掉行尾的空白符号
    code1=code1.replace(/ /g,' ');            //去掉联系的两个空行
    code1=code1.replace(/){/g,') {');            //在){之间加一个空格
    document.getElementById("display").value=code1;
    alert(
"格式化完成,共花:"+(new Date().getTime()-a.getTime())+"ms");
}
//-->
</script>
<textarea id="code">/*
这个是一个类
*/


function    xx   (num,str){//说明
var a = num;this.aa = a;
this.bb = function(){alert(str);}
this.cc = function(){for(var i=0;i&lt;10;i++){document.title=i;}}};

xx.prototype.dd
= function(){alert("d  d        kd");}

var a = new xx(100,"hello"),b=new xx(0,"ttyp");
if(1&gt;2)  {   alert();
 }
 
else {
 alert(
" hell ");
 }

a.bb();
b.dd();
alert(a.aa);

</textarea>
<select id="cboOperate" 
onchange
="if(this.selectedIndex==1)document.getElementById('cboStyle').disabled=true;
else document.getElementById('cboStyle').disabled=false;
"><option value="0" selected>格式化</option><option value="1">压缩</option></select> 
<select id="cboStyle"><option value="0" selected>经典</option><option value="1">微软</option></select>
<input onclick="go()" type="button" value="go" />
  
<textarea id="display"></textarea>
来源:http:
//www.yaosansi.com/

</body>
</html>

 

 

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