debugger.js

WEB IM 实现 j2ee项目的IM功能 可继承到现有的系统当中

var DEBUGGER_MAX_LEVEL = 4;

// fucking IE is too stupid for window names
function encWN(wName) {
	wName = wName.replace(/@/,"at");
	wName = wName.replace(/\./g,"dot");
	wName = wName.replace(/\//g,"slash");
	wName = wName.replace(/&/g,"amp");
	wName = wName.replace(/\'/g,"tick");
	wName = wName.replace(/=/g,"equals");
	wName = wName.replace(/#/g,"pound");
	wName = wName.replace(/:/g,"colon");	
	wName = wName.replace(/%/g,"percent");
	wName = wName.replace(/-/g,"dash");
	wName = wName.replace(/ /g,"blank");
	return wName;
}

function htmlEnc(str) {
	if (!str || typeof(str) != 'string')
		return null;

	str = str.replace(/&/g,"&");
	str = str.replace(/</g,"&lt;");
	str = str.replace(/>/g,"&gt;");
	str = str.replace(/\n/g,"<br>");
	return str;
}

function DebugMsg(str,lvl,caller) {
	this.str = str || '';
	this.str = htmlEnc(this.str);
	this.lvl = lvl || 0;
	this.caller = (caller&&caller.name)? caller.name : 'unknown';
}

function DebugLog(str,lvl) {
	if (!this.debug) // nothing to do
		return;

	lvl = (isNaN(lvl))? 0 : lvl;
	if (!this.debugW.oDbg || this.debugW.oDbg != this)
	this.debugW.oDbg = this;
  
	this.debugMsgs = this.debugMsgs.concat(new DebugMsg(str,lvl,DebugLog.caller));
  
	if (!this.debugW || 
	    !this.debugW.popMsgs || 
	    (this.debugW.document && 
	     this.debugW.document.readyState && 
	     this.debugW.document.readyState!='complete'))
		return; // debugW not ready yet ... only queue message
  
	this.debugW.popMsgs();
}

function DebugSetLevel(lvl) {
	if (lvl < 0)
		lvl = 0;
	if (lvl > DEBUGGER_MAX_LEVEL)
		lvl = DEBUGGER_MAX_LEVEL;
	this.lvl = lvl;
}

function DebugStart() {
	if (!this.debugW || this.debugW.closed) { // open the debugger window
		debugW = window.open('','debugW'+encWN(this.id),"width=480,height=320,scrollbars=yes,resizable=yes");
		if (!debugW)
			debugW = window.open("Debugger.html","debugW"+encWN(this.id),"width=480,height=320,scrollbars=yes,resizable=yes");
		else if (!debugW.location.href.match(/Debugger.html$/))
			debugW.location.href = "Debugger.html";
      
    
		this.debugW = debugW;
    
		if (!this.debugW)
			return;
    
		if (!this.debugW.oDbg)
			this.debugW.oDbg = this;
	} else {
		this.debugW.frames['DebugTop'].document.getElementById('toggleLogButton').innerHTML = 'Stop';
	}
  
	this.debug = true;
}

function DebugStop() {
	this.debug = false;
}

function Debugger(lvl,id) {
	this.lvl = lvl || 0;
	if (this.lvl > DEBUGGER_MAX_LEVEL)
		this.lvl = DEBUGGER_MAX_LEVEL;

	this.id = id || '';

	this.debugMsgs = new Array();

	this.log = DebugLog;
	this.setLevel = DebugSetLevel;
	this.start = DebugStart;
	this.stop = DebugStop;
}