JavaScript版代码高亮(5)

this.isStartWith = function(str,code,index){
  if(typeof(str)!="undefined"&&str.length>0){
   for(var i=0;i<str.length;i++){
    if(this._caseSensitive){
     if(str.charAt(i)!=code[index+i]||(index+i>=code.length)){
      return false;
     }
    } else {
     if(str.charAt(i).toLowerCase()!=code[index+i].toLowerCase()||(index+i>=code.length)){
      return false;
     }
    }
   }
   return true;
  } else {
   return false;
  }
 }

this.isKeyword = function(val){
  return this._keywords.contains(this._caseSensitive?val:val.toLowerCase());
 }

this.isCommonObject = function(val){
  return this._commonObjects.contains(this._caseSensitive?val:val.toLowerCase());
 }

this.isTag = function(val){
  return this._tags.contains(val.toLowerCase());
 }

}

function doHighlight(o, syntax){
 var htmltxt = "";

if(o == null){
  alert("domNode is null!");
  return;
 }

var _codetxt = "";