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