aihtml.js

   1 function AI_HTMLParser(env){
   2         this.env = env;
   3         this.mainString = "";
   4         //[[linkURL, dispString],...]
   5         this.linkList = new Array();
   6 }
   7 AI_HTMLParser.prototype = {
   8         keywordList0:[
   9                 //タグ抽出用
  10                 "</",
  11                 "<",
  12                 ">",
  13         ],
  14         keywordList1:[
  15                 //タグ属性抽出用
  16                 "\\\"",
  17                 "\"",
  18                 "'",
  19                 "=",
  20                 " ",
  21         ],
  22         loadText: function(src){
  23                 if(!src){
  24                         return;
  25                 }
  26                 this.mainString = "";
  27                 this.linkList = new Array();
  28
  29                 src.replaceAll("\n", "");
  30                 var a = src.splitByArraySeparatorSeparatedLong(this.keywordList0);
  31                 var currentTag;
  32                 var s;
  33                 var mode = 0;
  34                 var appendDisabled = false;
  35                 var linkInfo = null;
  36                 var attr;
  37                 //0:何が来てもOK
  38                 //1:タグの中身か閉じ括弧
  39                 for(var i = 0, iLen = a.length; i < iLen; i++){
  40                         s = a[i];
  41                         if(mode == 0){
  42                                 if(s == "<"){
  43                                         //開始タグの開始
  44                                         mode = 1;
  45                                         currentTag = a[i + 1].trim().split(" ")[0];
  46                                         if(currentTag == "br"){
  47                                                 //<br />
  48                                                 this.mainString += "\n";
  49                                                 //this.env.debug("<" + currentTag + " />\n");
  50                                         } else if(currentTag == "script" || currentTag == "style"){
  51                                                 //内部を無視するタグ
  52                                                 appendDisabled = true;
  53                                         } else if(currentTag == "a"){
  54                                                 //リンク
  55                                                 linkInfo = ["", ""];
  56                                                 attr = this.getAttributesFromTagString(a[i + 1].substring(currentTag.length));
  57                                                 linkInfo[0] = attr.search2DObject(0, 1, "href");
  58                                         } else{
  59                                                 //this.env.debug("<" + currentTag + ">\n");
  60                                         }
  61                                 } else if(s == "</"){
  62                                         //終了タグの開始
  63                                         mode = 1;
  64                                         currentTag = a[i + 1].trim().split(" ")[0];
  65                                         //this.env.debug("</" + currentTag + ">\n");
  66                                         if(currentTag == "script" || currentTag == "style"){
  67                                                 appendDisabled = false;
  68                                         } else if(currentTag == "a" && linkInfo){
  69                                                 this.linkList.push(linkInfo);
  70                                                 linkInfo = null;
  71                                         }
  72                                 } else if(!appendDisabled){
  73                                         this.mainString += s;
  74                                         if(linkInfo){
  75                                                 linkInfo[1] += s;
  76                                         }
  77                                 }
  78                         } else if(mode == 1){
  79                                 if(s == ">"){
  80                                         mode = 0;
  81                                 }
  82                         }
  83                 }
  84                 return this.mainString;
  85         },
  86         getAttributesFromTagString: function(tagStr){
  87                 var a = tagStr.splitByArraySeparatorSeparatedLong(this.keywordList1);
  88                 var s;
  89                 var t = [undefined, ""];
  90                 var mode = 0;
  91                 var retArray = new Array();
  92                 var inStringLiteral = false;
  93                 for(var i = 0, iLen = a.length; i < iLen; i++){
  94                         s = a[i];
  95                         if(s == " " || s == "\\\"" || s == "'"){
  96                                 if(mode == 1 && inStringLiteral){
  97                                         t[1] += s;
  98                                 }
  99                         } else if(s == "\""){
 100                                 inStringLiteral = !inStringLiteral;
 101                                 if(!inStringLiteral){
 102                                         retArray.push(t);
 103                                         t = [undefined, ""];
 104                                         mode = 0;
 105                                 }
 106                         } else if(s == "="){
 107                                 if(mode == 1 && inStringLiteral){
 108                                         t[1] += s;
 109                                 }
 110                                 mode = 1;
 111                         } else{
 112                                 if(mode == 0){
 113                                         //左辺
 114                                         t[0] = s;
 115                                 } else if(mode == 1){
 116                                         //右辺
 117                                         t[1] += s;
 118                                 }
 119                         }
 120                 }
 121                 //console.log(retArray);
 122                 return retArray;
 123         },
 124 }