JavaScript版代码高亮(4)

//处理空行（由于转义带来）
   if(typeof(codeArr[i])=="undefined"||codeArr[i].length==0){
    continue;
   }
   //处理空格
   if (codeArr[i] == " "){
    htmlTxt[htmlTxt.length] = (" ");
   //处理关键字
   } else if (!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened && this.isKeyword(codeArr[i])){
    htmlTxt[htmlTxt.length] = ("<span>" + codeArr[i] + "</span>");
   //处理普通对象
   } else if (!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened && this.isCommonObject(codeArr[i])){
    htmlTxt[htmlTxt.length] = ("<span>" + codeArr[i] + "</span>");
   //处理标记
   } else if (!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened && tag_opened && this.isTag(codeArr[i])){
    htmlTxt[htmlTxt.length] = ("<span>" + codeArr[i] + "</span>");
   //处理换行
   } else if (codeArr[i] == "\r"){
    if (slash_slash_comment_opened){
     htmlTxt[htmlTxt.length] = ("</span>");
     slash_slash_comment_opened = false;
    }
    htmlTxt[htmlTxt.length] = ("<br/>");
    line_num++;
   //处理双引号（引号前不能为转义字符）
   } else if (this._quotation.contains(codeArr[i])&&!slash_star_comment_opened&&!slash_slash_comment_opened){
    if (quote_opened){
     //是相应的引号
     if (quote_char==codeArr[i]){
      if(tag_opened){
       htmlTxt[htmlTxt.length] = (codeArr[i]+"</span><span>");
      } else {
       htmlTxt[htmlTxt.length] = (codeArr[i]+"</span>");
      }
      quote_opened = false;
      quote_char  = "";
     } else {
      htmlTxt[htmlTxt.length] = codeArr[i].replace(/\</g,"&lt;");
     }
    } else {
     if (tag_opened){
      htmlTxt[htmlTxt.length] =  ("</span><span>"+codeArr[i]);
     } else {
      htmlTxt[htmlTxt.length] =  ("<span>"+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){
     if (codeArr[i+1].charCodeAt(0)>=32&&codeArr[i+1].charCodeAt(0)<=127){
      htmlTxt[htmlTxt.length] = codeArr[i+1].substr(0,1);
      codeArr[i+1] = codeArr[i+1].substr(1);
     }
    }
   //处理Tab
   } else if (codeArr[i] == "\t") {
    htmlTxt[htmlTxt.length] = ("&nbsp;&nbsp;");
   //处理多行注释的开始
   } else if (this.isStartWith(this._commentOn,codeArr,i)&&!slash_slash_comment_opened && !slash_star_comment_opened&&!quote_opened){
    slash_star_comment_opened = true;
    htmlTxt[htmlTxt.length] =  ("<span>" + this._commentOn.replace(/\</g,"&lt"));
    i = i + this._commentOn.length-1;
   //处理单行注释
   } else if (this.isStartWith(this._lineComment,codeArr,i)&&!slash_slash_comment_opened && !slash_star_comment_opened&&!quote_opened){
    slash_slash_comment_opened = true;
    htmlTxt[htmlTxt.length] =  ("<span>" + this._lineComment);
    i = i + this._lineComment.length-1;
   //处理忽略词
   } else if (this.isStartWith(this._ignore,codeArr,i)&&!slash_slash_comment_opened && !slash_star_comment_opened&&!quote_opened){
    slash_slash_comment_opened = true;
    htmlTxt[htmlTxt.length] =  ("<span>" + this._ignore.replace(/\</g,"&lt"));
    i = i + this._ignore.length-1;
   //处理多行注释结束
   } else if (this.isStartWith(this._commentOff,codeArr,i)&&!quote_opened&&!slash_slash_comment_opened){
    if (slash_star_comment_opened) {
     slash_star_comment_opened = false;
     htmlTxt[htmlTxt.length] =  (this._commentOff +"</span>");
     i = i + this._commentOff.length-1;
    }
   //处理左标记
   } else if (this._dealTag&&!slash_slash_comment_opened && !slash_star_comment_opened&&!quote_opened&&codeArr[i] == "<") {
    htmlTxt[htmlTxt.length] = "&lt;<span>";
    tag_opened = true;
   //处理右标记
   } else if (this._dealTag&&tag_opened&&codeArr[i] == ">") {
    htmlTxt[htmlTxt.length] = "</span>&gt;";
    tag_opened = false;
   //处理HTML转义符号
   } else if (codeArr[i] == "&") {
    htmlTxt[htmlTxt.length] = "&amp;";
   } else {
    htmlTxt[htmlTxt.length] = codeArr[i].replace(/\</g,"&lt;");
   }
  }
  htmlTxt[htmlTxt.length] = ("</div>");

return htmlTxt.join("");
 }