1(function(window) { 2 window.CodeMirror = {}; 3 4 function splitLines(string){ return string.split(/\r?\n|\r/); }; 5 6 function StringStream(string) { 7 this.pos = this.start = 0; 8 this.string = string; 9 } 10 StringStream.prototype = { 11 eol: function() {return this.pos >= this.string.length;}, 12 sol: function() {return this.pos == 0;}, 13 peek: function() {return this.string.charAt(this.pos) || null;}, 14 next: function() { 15 if (this.pos < this.string.length) 16 return this.string.charAt(this.pos++); 17 }, 18 eat: function(match) { 19 var ch = this.string.charAt(this.pos); 20 if (typeof match == "string") var ok = ch == match; 21 else var ok = ch && (match.test ? match.test(ch) : match(ch)); 22 if (ok) {++this.pos; return ch;} 23 }, 24 eatWhile: function(match) { 25 var start = this.pos; 26 while (this.eat(match)){} 27 return this.pos > start; 28 }, 29 eatSpace: function() { 30 var start = this.pos; 31 while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos; 32 return this.pos > start; 33 }, 34 skipToEnd: function() {this.pos = this.string.length;}, 35 skipTo: function(ch) { 36 var found = this.string.indexOf(ch, this.pos); 37 if (found > -1) {this.pos = found; return true;} 38 }, 39 backUp: function(n) {this.pos -= n;}, 40 column: function() {return this.start;}, 41 indentation: function() {return 0;}, 42 match: function(pattern, consume, caseInsensitive) { 43 if (typeof pattern == "string") { 44 var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;}; 45 var substr = this.string.substr(this.pos, pattern.length); 46 if (cased(substr) == cased(pattern)) { 47 if (consume !== false) this.pos += pattern.length; 48 return true; 49 } 50 } else { 51 var match = this.string.slice(this.pos).match(pattern); 52 if (match && match.index > 0) return null; 53 if (match && consume !== false) this.pos += match[0].length; 54 return match; 55 } 56 }, 57 current: function(){return this.string.slice(this.start, this.pos);} 58 }; 59 CodeMirror.StringStream = StringStream; 60 61 CodeMirror.startState = function (mode, a1, a2) { 62 return mode.startState ? mode.startState(a1, a2) : true; 63 }; 64 65 var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {}; 66 CodeMirror.defineMode = function (name, mode) { modes[name] = mode; }; 67 CodeMirror.defineMIME = function (mime, spec) { mimeModes[mime] = spec; }; 68 CodeMirror.defineMode("null", function() { 69 return {token: function(stream) {stream.skipToEnd();}}; 70 }); 71 CodeMirror.defineMIME("text/plain", "null"); 72 CodeMirror.getMode = function (options, spec) { 73 if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) 74 spec = mimeModes[spec]; 75 if (typeof spec == "string") 76 var mname = spec, config = {}; 77 else if (spec != null) 78 var mname = spec.name, config = spec; 79 var mfactory = modes[mname]; 80 if (!mfactory) throw new Error("Unknown mode: " + spec); 81 return mfactory(options, config || {}); 82 }; 83}(this)); 84