root / trunk / web / dojo / dojox / highlight / _base.js
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.highlight._base"]){ |
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| 9 | dojo._hasResource["dojox.highlight._base"]=true; |
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| 10 | dojo.provide("dojox.highlight._base");
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| 11 | (function(){
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| 12 | var dh=dojox.highlight,_1="\\b(0x[A-Za-z0-9]+|\\d+(\\.\\d+)?)"; |
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| 13 | dh.constants={IDENT_RE:"[a-zA-Z][a-zA-Z0-9_]*",UNDERSCORE_IDENT_RE:"[a-zA-Z_][a-zA-Z0-9_]*",NUMBER_RE:"\\b\\d+(\\.\\d+)?",C_NUMBER_RE:_1,APOS_STRING_MODE:{className:"string",begin:"'",end:"'",illegal:"\\n",contains:["escape"],relevance:0},QUOTE_STRING_MODE:{className:"string",begin:"\"",end:"\"",illegal:"\\n",contains:["escape"],relevance:0},BACKSLASH_ESCAPE:{className:"escape",begin:"\\\\.",end:"^",relevance:0},C_LINE_COMMENT_MODE:{className:"comment",begin:"//",end:"$",relevance:0},C_BLOCK_COMMENT_MODE:{className:"comment",begin:"/\\*",end:"\\*/"},HASH_COMMENT_MODE:{className:"comment",begin:"#",end:"$"},C_NUMBER_MODE:{className:"number",begin:_1,end:"^",relevance:0}};
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| 14 | function _2(_3){ |
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| 15 | return _3.replace(/&/gm,"&").replace(/</gm,"<").replace(/>/gm,">"); |
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| 16 | }; |
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| 17 | function _4(_5){ |
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| 18 | return dojo.every(_5.childNodes,function(_6){ |
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| 19 | return _6.nodeType==3||String(_6.nodeName).toLowerCase()=="br"; |
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| 20 | }); |
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| 21 | }; |
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| 22 | function _7(_8){ |
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| 23 | var _9=[];
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| 24 | dojo.forEach(_8.childNodes,function(_a){
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| 25 | if(_a.nodeType==3){ |
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| 26 | _9.push(_a.nodeValue); |
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| 27 | }else{
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| 28 | if(String(_a.nodeName).toLowerCase()=="br"){ |
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| 29 | _9.push("\n");
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| 30 | }else{
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| 31 | throw "Complex markup"; |
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| 32 | } |
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| 33 | } |
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| 34 | }); |
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| 35 | return _9.join(""); |
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| 36 | }; |
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| 37 | function _b(_c){ |
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| 38 | if(!_c.keywordGroups){
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| 39 | for(var _d in _c.keywords){ |
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| 40 | var kw=_c.keywords[_d];
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| 41 | if(kw instanceof Object){ |
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| 42 | _c.keywordGroups=_c.keywords; |
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| 43 | }else{
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| 44 | _c.keywordGroups={keyword:_c.keywords};
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| 45 | } |
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| 46 | break;
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| 47 | } |
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| 48 | } |
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| 49 | }; |
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| 50 | function _e(_f){ |
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| 51 | if(_f.defaultMode&&_f.modes){
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| 52 | _b(_f.defaultMode); |
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| 53 | dojo.forEach(_f.modes,_b); |
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| 54 | } |
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| 55 | }; |
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| 56 | var _10=function(_11,_12){ |
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| 57 | this.langName=_11;
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| 58 | this.lang=dh.languages[_11];
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| 59 | this.modes=[this.lang.defaultMode]; |
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| 60 | this.relevance=0; |
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| 61 | this.keywordCount=0; |
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| 62 | this.result=[];
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| 63 | if(!this.lang.defaultMode.illegalRe){ |
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| 64 | this.buildRes();
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| 65 | _e(this.lang);
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| 66 | } |
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| 67 | try{
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| 68 | this.highlight(_12);
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| 69 | this.result=this.result.join(""); |
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| 70 | } |
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| 71 | catch(e){
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| 72 | if(e=="Illegal"){ |
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| 73 | this.relevance=0; |
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| 74 | this.keywordCount=0; |
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| 75 | this.partialResult=this.result.join(""); |
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| 76 | this.result=_2(_12);
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| 77 | }else{
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| 78 | throw e;
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| 79 | } |
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| 80 | } |
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| 81 | }; |
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| 82 | dojo.extend(_10,{buildRes:function(){
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| 83 | dojo.forEach(this.lang.modes,function(_13){ |
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| 84 | if(_13.begin){
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| 85 | _13.beginRe=this.langRe("^"+_13.begin); |
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| 86 | } |
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| 87 | if(_13.end){
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| 88 | _13.endRe=this.langRe("^"+_13.end); |
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| 89 | } |
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| 90 | if(_13.illegal){
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| 91 | _13.illegalRe=this.langRe("^(?:"+_13.illegal+")"); |
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| 92 | } |
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| 93 | },this);
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| 94 | this.lang.defaultMode.illegalRe=this.langRe("^(?:"+this.lang.defaultMode.illegal+")"); |
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| 95 | },subMode:function(_14){ |
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| 96 | var _15=this.modes[this.modes.length-1].contains; |
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| 97 | if(_15){
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| 98 | var _16=this.lang.modes; |
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| 99 | for(var i=0;i<_15.length;++i){ |
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| 100 | var _17=_15[i];
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| 101 | for(var j=0;j<_16.length;++j){ |
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| 102 | var _18=_16[j];
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| 103 | if(_18.className==_17&&_18.beginRe.test(_14)){
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| 104 | return _18;
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| 105 | } |
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| 106 | } |
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| 107 | } |
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| 108 | } |
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| 109 | return null; |
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| 110 | },endOfMode:function(_19){ |
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| 111 | for(var i=this.modes.length-1;i>=0;--i){ |
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| 112 | var _1a=this.modes[i]; |
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| 113 | if(_1a.end&&_1a.endRe.test(_19)){
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| 114 | return this.modes.length-i; |
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| 115 | } |
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| 116 | if(!_1a.endsWithParent){
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| 117 | break;
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| 118 | } |
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| 119 | } |
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| 120 | return 0; |
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| 121 | },isIllegal:function(_1b){ |
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| 122 | var _1c=this.modes[this.modes.length-1].illegalRe; |
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| 123 | return _1c&&_1c.test(_1b);
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| 124 | },langRe:function(_1d,_1e){ |
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| 125 | var _1f="m"+(this.lang.case_insensitive?"i":"")+(_1e?"g":""); |
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| 126 | return new RegExp(_1d,_1f); |
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| 127 | },buildTerminators:function(){ |
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| 128 | var _20=this.modes[this.modes.length-1],_21={}; |
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| 129 | if(_20.contains){
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| 130 | dojo.forEach(this.lang.modes,function(_22){ |
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| 131 | if(dojo.indexOf(_20.contains,_22.className)>=0){ |
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| 132 | _21[_22.begin]=1;
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| 133 | } |
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| 134 | }); |
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| 135 | } |
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| 136 | for(var i=this.modes.length-1;i>=0;--i){ |
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| 137 | var m=this.modes[i]; |
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| 138 | if(m.end){
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| 139 | _21[m.end]=1;
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| 140 | } |
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| 141 | if(!m.endsWithParent){
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| 142 | break;
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| 143 | } |
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| 144 | } |
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| 145 | if(_20.illegal){
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| 146 | _21[_20.illegal]=1;
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| 147 | } |
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| 148 | var t=[];
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| 149 | for(i in _21){ |
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| 150 | t.push(i); |
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| 151 | } |
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| 152 | _20.terminatorsRe=this.langRe("("+t.join("|")+")"); |
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| 153 | },eatModeChunk:function(_23,_24){ |
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| 154 | var _25=this.modes[this.modes.length-1]; |
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| 155 | if(!_25.terminatorsRe){
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| 156 | this.buildTerminators();
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| 157 | } |
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| 158 | _23=_23.substr(_24); |
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| 159 | var _26=_25.terminatorsRe.exec(_23);
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| 160 | if(!_26){
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| 161 | return {buffer:_23,lexeme:"",end:true}; |
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| 162 | } |
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| 163 | return {buffer:_26.index?_23.substr(0,_26.index):"",lexeme:_26[0],end:false}; |
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| 164 | },keywordMatch:function(_27,_28){ |
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| 165 | var _29=_28[0]; |
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| 166 | if(this.lang.case_insensitive){ |
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| 167 | _29=_29.toLowerCase(); |
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| 168 | } |
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| 169 | for(var _2a in _27.keywordGroups){ |
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| 170 | if(_29 in _27.keywordGroups[_2a]){ |
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| 171 | return _2a;
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| 172 | } |
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| 173 | } |
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| 174 | return ""; |
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| 175 | },buildLexemes:function(_2b){ |
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| 176 | var _2c={};
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| 177 | dojo.forEach(_2b.lexems,function(_2d){
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| 178 | _2c[_2d]=1;
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| 179 | }); |
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| 180 | var t=[];
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| 181 | for(var i in _2c){ |
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| 182 | t.push(i); |
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| 183 | } |
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| 184 | _2b.lexemsRe=this.langRe("("+t.join("|")+")",true); |
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| 185 | },processKeywords:function(_2e){ |
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| 186 | var _2f=this.modes[this.modes.length-1]; |
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| 187 | if(!_2f.keywords||!_2f.lexems){
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| 188 | return _2(_2e);
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| 189 | } |
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| 190 | if(!_2f.lexemsRe){
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| 191 | this.buildLexemes(_2f);
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| 192 | } |
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| 193 | _2f.lexemsRe.lastIndex=0;
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| 194 | var _30=[],_31=0,_32=_2f.lexemsRe.exec(_2e); |
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| 195 | while(_32){
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| 196 | _30.push(_2(_2e.substr(_31,_32.index-_31))); |
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| 197 | var _33=this.keywordMatch(_2f,_32); |
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| 198 | if(_33){
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| 199 | ++this.keywordCount;
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| 200 | _30.push("<span class=\""+_33+"\">"+_2(_32[0])+"</span>"); |
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| 201 | }else{
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| 202 | _30.push(_2(_32[0]));
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| 203 | } |
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| 204 | _31=_2f.lexemsRe.lastIndex; |
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| 205 | _32=_2f.lexemsRe.exec(_2e); |
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| 206 | } |
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| 207 | _30.push(_2(_2e.substr(_31,_2e.length-_31))); |
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| 208 | return _30.join(""); |
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| 209 | },processModeInfo:function(_34,_35,end){ |
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| 210 | var _36=this.modes[this.modes.length-1]; |
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| 211 | if(end){
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| 212 | this.result.push(this.processKeywords(_36.buffer+_34)); |
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| 213 | return;
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| 214 | } |
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| 215 | if(this.isIllegal(_35)){ |
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| 216 | throw "Illegal"; |
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| 217 | } |
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| 218 | var _37=this.subMode(_35); |
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| 219 | if(_37){
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| 220 | _36.buffer+=_34; |
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| 221 | this.result.push(this.processKeywords(_36.buffer)); |
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| 222 | if(_37.excludeBegin){
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| 223 | this.result.push(_35+"<span class=\""+_37.className+"\">"); |
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| 224 | _37.buffer="";
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| 225 | }else{
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| 226 | this.result.push("<span class=\""+_37.className+"\">"); |
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| 227 | _37.buffer=_35; |
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| 228 | } |
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| 229 | this.modes.push(_37);
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| 230 | this.relevance+=typeof _37.relevance=="number"?_37.relevance:1; |
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| 231 | return;
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| 232 | } |
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| 233 | var _38=this.endOfMode(_35); |
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| 234 | if(_38){
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| 235 | _36.buffer+=_34; |
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| 236 | if(_36.excludeEnd){
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| 237 | this.result.push(this.processKeywords(_36.buffer)+"</span>"+_35); |
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| 238 | }else{
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| 239 | this.result.push(this.processKeywords(_36.buffer+_35)+"</span>"); |
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| 240 | } |
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| 241 | while(_38>1){ |
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| 242 | this.result.push("</span>"); |
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| 243 | --_38; |
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| 244 | this.modes.pop();
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| 245 | } |
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| 246 | this.modes.pop();
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| 247 | this.modes[this.modes.length-1].buffer=""; |
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| 248 | return;
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| 249 | } |
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| 250 | },highlight:function(_39){ |
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| 251 | var _3a=0; |
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| 252 | this.lang.defaultMode.buffer=""; |
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| 253 | do{
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| 254 | var _3b=this.eatModeChunk(_39,_3a); |
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| 255 | this.processModeInfo(_3b.buffer,_3b.lexeme,_3b.end);
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| 256 | _3a+=_3b.buffer.length+_3b.lexeme.length; |
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| 257 | }while(!_3b.end);
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| 258 | if(this.modes.length>1){ |
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| 259 | throw "Illegal"; |
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| 260 | } |
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| 261 | }}); |
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| 262 | function _3c(_3d,_3e,_3f){ |
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| 263 | if(String(_3d.tagName).toLowerCase()=="code"&&String(_3d.parentNode.tagName).toLowerCase()=="pre"){ |
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| 264 | var _40=document.createElement("div"),_41=_3d.parentNode.parentNode; |
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| 265 | _40.innerHTML="<pre><code class=\""+_3e+"\">"+_3f+"</code></pre>"; |
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| 266 | _41.replaceChild(_40.firstChild,_3d.parentNode); |
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| 267 | }else{
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| 268 | _3d.className=_3e; |
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| 269 | _3d.innerHTML=_3f; |
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| 270 | } |
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| 271 | }; |
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| 272 | function _42(_43,str){ |
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| 273 | var _44=new _10(_43,str); |
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| 274 | return {result:_44.result,langName:_43,partialResult:_44.partialResult}; |
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| 275 | }; |
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| 276 | function _45(_46,_47){ |
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| 277 | var _48=_42(_47,_7(_46));
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| 278 | _3c(_46,_46.className,_48.result); |
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| 279 | }; |
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| 280 | function _49(str){ |
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| 281 | var _4a="",_4b="",_4c=2,_4d=str; |
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| 282 | for(var key in dh.languages){ |
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| 283 | if(!dh.languages[key].defaultMode){
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| 284 | continue;
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| 285 | } |
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| 286 | var _4e=new _10(key,_4d),_4f=_4e.keywordCount+_4e.relevance,_50=0; |
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| 287 | if(!_4a||_4f>_50){
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| 288 | _50=_4f; |
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| 289 | _4a=_4e.result; |
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| 290 | _4b=_4e.langName; |
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| 291 | } |
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| 292 | } |
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| 293 | return {result:_4a,langName:_4b}; |
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| 294 | }; |
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| 295 | function _51(_52){ |
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| 296 | var _53=_49(_7(_52));
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| 297 | if(_53.result){
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| 298 | _3c(_52,_53.langName,_53.result); |
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| 299 | } |
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| 300 | }; |
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| 301 | dojox.highlight.processString=function(str,_54){ |
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| 302 | return _54?_42(_54,str):_49(str);
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| 303 | }; |
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| 304 | dojox.highlight.init=function(_55){ |
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| 305 | _55=dojo.byId(_55); |
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| 306 | if(dojo.hasClass(_55,"no-highlight")){ |
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| 307 | return;
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| 308 | } |
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| 309 | if(!_4(_55)){
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| 310 | return;
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| 311 | } |
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| 312 | var _56=_55.className.split(/\s+/),_57=dojo.some(_56,function(_58){ |
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| 313 | if(_58.charAt(0)!="_"&&dh.languages[_58]){ |
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| 314 | _45(_55,_58); |
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| 315 | return true; |
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| 316 | } |
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| 317 | return false; |
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| 318 | }); |
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| 319 | if(!_57){
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| 320 | _51(_55); |
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| 321 | } |
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| 322 | }; |
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| 323 | dh.Code=function(p,n){ |
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| 324 | dh.init(n); |
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| 325 | }; |
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| 326 | })(); |
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| 327 | } |