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dtd.js (4814B)

      1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
      2 // Distributed under an MIT license: http://codemirror.net/LICENSE
      3 
      4 /*
      5   DTD mode
      6   Ported to CodeMirror by Peter Kroon <plakroon@gmail.com>
      7   Report bugs/issues here: https://github.com/codemirror/CodeMirror/issues
      8   GitHub: @peterkroon
      9 */
     10 
     11 (function(mod) {
     12   if (typeof exports == "object" && typeof module == "object") // CommonJS
     13     mod(require("../../lib/codemirror"));
     14   else if (typeof define == "function" && define.amd) // AMD
     15     define(["../../lib/codemirror"], mod);
     16   else // Plain browser env
     17     mod(CodeMirror);
     18 })(function(CodeMirror) {
     19 "use strict";
     20 
     21 CodeMirror.defineMode("dtd", function(config) {
     22   var indentUnit = config.indentUnit, type;
     23   function ret(style, tp) {type = tp; return style;}
     24 
     25   function tokenBase(stream, state) {
     26     var ch = stream.next();
     27 
     28     if (ch == "<" && stream.eat("!") ) {
     29       if (stream.eatWhile(/[\-]/)) {
     30         state.tokenize = tokenSGMLComment;
     31         return tokenSGMLComment(stream, state);
     32       } else if (stream.eatWhile(/[\w]/)) return ret("keyword", "doindent");
     33     } else if (ch == "<" && stream.eat("?")) { //xml declaration
     34       state.tokenize = inBlock("meta", "?>");
     35       return ret("meta", ch);
     36     } else if (ch == "#" && stream.eatWhile(/[\w]/)) return ret("atom", "tag");
     37     else if (ch == "|") return ret("keyword", "seperator");
     38     else if (ch.match(/[\(\)\[\]\-\.,\+\?>]/)) return ret(null, ch);//if(ch === ">") return ret(null, "endtag"); else
     39     else if (ch.match(/[\[\]]/)) return ret("rule", ch);
     40     else if (ch == "\"" || ch == "'") {
     41       state.tokenize = tokenString(ch);
     42       return state.tokenize(stream, state);
     43     } else if (stream.eatWhile(/[a-zA-Z\?\+\d]/)) {
     44       var sc = stream.current();
     45       if( sc.substr(sc.length-1,sc.length).match(/\?|\+/) !== null )stream.backUp(1);
     46       return ret("tag", "tag");
     47     } else if (ch == "%" || ch == "*" ) return ret("number", "number");
     48     else {
     49       stream.eatWhile(/[\w\\\-_%.{,]/);
     50       return ret(null, null);
     51     }
     52   }
     53 
     54   function tokenSGMLComment(stream, state) {
     55     var dashes = 0, ch;
     56     while ((ch = stream.next()) != null) {
     57       if (dashes >= 2 && ch == ">") {
     58         state.tokenize = tokenBase;
     59         break;
     60       }
     61       dashes = (ch == "-") ? dashes + 1 : 0;
     62     }
     63     return ret("comment", "comment");
     64   }
     65 
     66   function tokenString(quote) {
     67     return function(stream, state) {
     68       var escaped = false, ch;
     69       while ((ch = stream.next()) != null) {
     70         if (ch == quote && !escaped) {
     71           state.tokenize = tokenBase;
     72           break;
     73         }
     74         escaped = !escaped && ch == "\\";
     75       }
     76       return ret("string", "tag");
     77     };
     78   }
     79 
     80   function inBlock(style, terminator) {
     81     return function(stream, state) {
     82       while (!stream.eol()) {
     83         if (stream.match(terminator)) {
     84           state.tokenize = tokenBase;
     85           break;
     86         }
     87         stream.next();
     88       }
     89       return style;
     90     };
     91   }
     92 
     93   return {
     94     startState: function(base) {
     95       return {tokenize: tokenBase,
     96               baseIndent: base || 0,
     97               stack: []};
     98     },
     99 
    100     token: function(stream, state) {
    101       if (stream.eatSpace()) return null;
    102       var style = state.tokenize(stream, state);
    103 
    104       var context = state.stack[state.stack.length-1];
    105       if (stream.current() == "[" || type === "doindent" || type == "[") state.stack.push("rule");
    106       else if (type === "endtag") state.stack[state.stack.length-1] = "endtag";
    107       else if (stream.current() == "]" || type == "]" || (type == ">" && context == "rule")) state.stack.pop();
    108       else if (type == "[") state.stack.push("[");
    109       return style;
    110     },
    111 
    112     indent: function(state, textAfter) {
    113       var n = state.stack.length;
    114 
    115       if( textAfter.match(/\]\s+|\]/) )n=n-1;
    116       else if(textAfter.substr(textAfter.length-1, textAfter.length) === ">"){
    117         if(textAfter.substr(0,1) === "<") {}
    118         else if( type == "doindent" && textAfter.length > 1 ) {}
    119         else if( type == "doindent")n--;
    120         else if( type == ">" && textAfter.length > 1) {}
    121         else if( type == "tag" && textAfter !== ">") {}
    122         else if( type == "tag" && state.stack[state.stack.length-1] == "rule")n--;
    123         else if( type == "tag")n++;
    124         else if( textAfter === ">" && state.stack[state.stack.length-1] == "rule" && type === ">")n--;
    125         else if( textAfter === ">" && state.stack[state.stack.length-1] == "rule") {}
    126         else if( textAfter.substr(0,1) !== "<" && textAfter.substr(0,1) === ">" )n=n-1;
    127         else if( textAfter === ">") {}
    128         else n=n-1;
    129         //over rule them all
    130         if(type == null || type == "]")n--;
    131       }
    132 
    133       return state.baseIndent + n * indentUnit;
    134     },
    135 
    136     electricChars: "]>"
    137   };
    138 });
    139 
    140 CodeMirror.defineMIME("application/xml-dtd", "dtd");
    141 
    142 });