text: /**
   * html2Json 改造来自: https://github.com/Jxck/html2json
   * 
   * 
   * author: Di (微信小程序开发工程师)
   * organization: WeAppDev(微信小程序开发论坛)(http://weappdev.com)
   *               垂直微信小程序开发交流社区
   * 
   * github地址: https://github.com/icindy/wxParse
   * 
   * for: 微信小程序富文本解析
   * detail : http://weappdev.com/t/wxparse-alpha0-1-html-markdown/184
   */
  
  var __placeImgeUrlHttps = "https";
  var __emojisReg = '';
  var __emojisBaseSrc = '';
  var __emojis = {};
  var wxDiscode = require('./wxDiscode.js');
  var HTMLParser = require('./htmlparser.js');
  // Empty Elements - HTML 5
  var empty = makeMap("area,base,basefont,br,col,frame,hr,img,input,link,meta,param,embed,command,keygen,source,track,wbr");
  // Block Elements - HTML 5
  var block = makeMap("br,a,code,address,article,applet,aside,audio,blockquote,button,canvas,center,dd,del,dir,div,dl,dt,fieldset,figcaption,figure,footer,form,frameset,h1,h2,h3,h4,h5,h6,header,hgroup,hr,iframe,ins,isindex,li,map,menu,noframes,noscript,object,ol,output,p,pre,section,script,table,tbody,td,tfoot,th,thead,tr,ul,video");
  
  // Inline Elements - HTML 5
  var inline = makeMap("abbr,acronym,applet,b,basefont,bdo,big,button,cite,del,dfn,em,font,i,iframe,img,input,ins,kbd,label,map,object,q,s,samp,script,select,small,span,strike,strong,sub,sup,textarea,tt,u,var");
  
  // Elements that you can, intentionally, leave open
  // (and which close themselves)
  var closeSelf = makeMap("colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr");
  
  // Attributes that have their values filled in disabled="disabled"
  var fillAttrs = makeMap("checked,compact,declare,defer,disabled,ismap,multiple,nohref,noresize,noshade,nowrap,readonly,selected");
  
  // Special Elements (can contain anything)
  var special = makeMap("wxxxcode-style,script,style,view,scroll-view,block");
  function makeMap(str) {
      var obj = {}, items = str.split(",");
      for (var i = 0; i < items.length; i++)
          obj[items[i]] = true;
      return obj;
  }
  
  function q(v) {
      return '"' + v + '"';
  }
  
  function removeDOCTYPE(html) {
      return html
          .replace(/<\?xml.*\?>\n/, '')
          .replace(/<.*!doctype.*\>\n/, '')
          .replace(/<.*!DOCTYPE.*\>\n/, '');
  }
  
  function trimHtml(html) {
    return html
          .replace(/\r?\n+/g, '')
          .replace(/<!--.*?-->/ig, '')
          .replace(/\/\*.*?\*\//ig, '')
          .replace(/[ ]+</ig, '<')
  }
  
  
  function html2json(html, bindName) {
      //处理字符串
      html = removeDOCTYPE(html);
      html = trimHtml(html);
      html = wxDiscode.strDiscode(html);
      //生成node节点
      var bufArray = [];
      var results = {
          node: bindName,
          nodes: [],
          images:[],
          imageUrls:[]
      };
      var index = 0;
      HTMLParser(html, {
          start: function (tag, attrs, unary) {
              //debug(tag, attrs, unary);
              // node for this element
              var node = {
                  node: 'element',
                  tag: tag,
              };
  
              if (bufArray.length === 0) {
                  node.index = index.toString()
                  index += 1
              } else {
                  var parent = bufArray[0];
                  if (parent.nodes === undefined) {
                      parent.nodes = [];
                  }
                  node.index = parent.index + '.' + parent.nodes.length
              }
  
              if (block[tag]) {
                  node.tagType = "block";
              } else if (inline[tag]) {
                  node.tagType = "inline";
              } else if (closeSelf[tag]) {
                  node.tagType = "closeSelf";
              }
  
              if (attrs.length !== 0) {
                  node.attr = attrs.reduce(function (pre, attr) {
                      var name = attr.name;
                      var value = attr.value;
                      if (name == 'class') {
                         // console.dir(value);
                          //  value = value.join("")
                          node.classStr = value;
                      }
                      // has multi attibutes
                      // make it array of attribute
                      if (name == 'style') {
                        //  console.dir(value);
                          //  value = value.join("")
                          node.styleStr = value;
                      }
                      if (value.match(/ /)) {
                          value = value.split(' ');
                      }
                      
  
                      // if attr already exists
                      // merge it
                      if (pre[name]) {
                          if (Array.isArray(pre[name])) {
                              // already array, push to last
                              pre[name].push(value);
                          } else {
                              // single value, make it array
                              pre[name] = [pre[name], value];
                          }
                      } else {
                          // not exist, put it
                          pre[name] = value;
                      }
  
                      return pre;
                  }, {});
              }
  
              //对img添加额外数据
              if (node.tag === 'img') {
                  node.imgIndex = results.images.length;
                  var imgUrl = node.attr.src;
                  if (imgUrl[0] == '') {
                      imgUrl.splice(0, 1);
                  }
                  imgUrl = wxDiscode.urlToHttpUrl(imgUrl, __placeImgeUrlHttps);
                  node.attr.src = imgUrl;
                  node.from = bindName;
                  results.images.push(node);
                  results.imageUrls.push(imgUrl);
              }
              
              // 处理font标签样式属性
              if (node.tag === 'font') {
                  var fontSize = ['x-small', 'small', 'medium', 'large', 'x-large', 'xx-large', '-webkit-xxx-large'];
                  var styleAttrs = {
                      'color': 'color',
                      'face': 'font-family',
                      'size': 'font-size'
                  };
                  if (!node.attr.style) node.attr.style = [];
                  if (!node.styleStr) node.styleStr = '';
                  for (var key in styleAttrs) {
                      if (node.attr[key]) {
                          var value = key === 'size' ? fontSize[node.attr[key]-1] : node.attr[key];
                          node.attr.style.push(styleAttrs[key]);
                          node.attr.style.push(value);
                          node.styleStr += styleAttrs[key] + ': ' + value + ';';
                      }
                  }
              }
  
              //临时记录source资源
              if(node.tag === 'source'){
                  results.source = node.attr.src;
              }
              
              if (unary) {
                  // if this tag doesn't have end tag
                  // like <img src="hoge.png"/>
                  // add to parents
                  var parent = bufArray[0] || results;
                  if (parent.nodes === undefined) {
                      parent.nodes = [];
                  }
                  parent.nodes.push(node);
              } else {
                  bufArray.unshift(node);
              }
          },
          end: function (tag) {
              //debug(tag);
              // merge into parent tag
              var node = bufArray.shift();
              if (node.tag !== tag) console.error('invalid state: mismatch end tag');
  
              //当有缓存source资源时于于video补上src资源
              if(node.tag === 'video' && results.source){
                  node.attr.src = results.source;
                  delete results.source;
              }
              
              if (bufArray.length === 0) {
                  results.nodes.push(node);
              } else {
                  var parent = bufArray[0];
                  if (parent.nodes === undefined) {
                      parent.nodes = [];
                  }
                  parent.nodes.push(node);
              }
          },
          chars: function (text) {
              //debug(text);
              var node = {
                  node: 'text',
                  text: text,
                  textArray:transEmojiStr(text)
              };
              
              if (bufArray.length === 0) {
                  node.index = index.toString()
                  index += 1
                  results.nodes.push(node);
              } else {
                  var parent = bufArray[0];
                  if (parent.nodes === undefined) {
                      parent.nodes = [];
                  }
                  node.index = parent.index + '.' + parent.nodes.length
                  parent.nodes.push(node);
              }
          },
          comment: function (text) {
              //debug(text);
              // var node = {
              //     node: 'comment',
              //     text: text,
              // };
              // var parent = bufArray[0];
              // if (parent.nodes === undefined) {
              //     parent.nodes = [];
              // }
              // parent.nodes.push(node);
          },
      });
      return results;
  };
  
  function transEmojiStr(str){
    // var eReg = new RegExp("["+__reg+' '+"]");
  //   str = str.replace(/\[([^\[\]]+)\]/g,':$1:')
    
    var emojiObjs = [];
    //如果正则表达式为空
    if(__emojisReg.length == 0 || !__emojis){
        var emojiObj = {}
        emojiObj.node = "text";
        emojiObj.text = str;
        array = [emojiObj];
        return array;
    }
    //这个地方需要调整
    str = str.replace(/\[([^\[\]]+)\]/g,':$1:')
    var eReg = new RegExp("[:]");
    var array = str.split(eReg);
    for(var i = 0; i < array.length; i++){
      var ele = array[i];
      var emojiObj = {};
      if(__emojis[ele]){
        emojiObj.node = "element";
        emojiObj.tag = "emoji";
        emojiObj.text = __emojis[ele];
        emojiObj.baseSrc= __emojisBaseSrc;
      }else{
        emojiObj.node = "text";
        emojiObj.text = ele;
      }
      emojiObjs.push(emojiObj);
    }
    
    return emojiObjs;
  }
  
  function emojisInit(reg='',baseSrc="/wxParse/emojis/",emojis){
      __emojisReg = reg;
      __emojisBaseSrc=baseSrc;
      __emojis=emojis;
  }
  
  module.exports = {
      html2json: html2json,
      emojisInit:emojisInit
  };
  
  