Commit | Line | Data |
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77b7b761 TD |
1 | window.CodeMirror = {}; |
2 | ||
837afb80 TD |
3 | (function() { |
4 | "use strict"; | |
5 | ||
77b7b761 TD |
6 | function splitLines(string){ return string.split(/\r?\n|\r/); }; |
7 | ||
8 | function StringStream(string) { | |
9 | this.pos = this.start = 0; | |
10 | this.string = string; | |
837afb80 | 11 | this.lineStart = 0; |
77b7b761 TD |
12 | } |
13 | StringStream.prototype = { | |
14 | eol: function() {return this.pos >= this.string.length;}, | |
15 | sol: function() {return this.pos == 0;}, | |
16 | peek: function() {return this.string.charAt(this.pos) || null;}, | |
17 | next: function() { | |
18 | if (this.pos < this.string.length) | |
19 | return this.string.charAt(this.pos++); | |
20 | }, | |
21 | eat: function(match) { | |
22 | var ch = this.string.charAt(this.pos); | |
23 | if (typeof match == "string") var ok = ch == match; | |
24 | else var ok = ch && (match.test ? match.test(ch) : match(ch)); | |
25 | if (ok) {++this.pos; return ch;} | |
26 | }, | |
27 | eatWhile: function(match) { | |
28 | var start = this.pos; | |
29 | while (this.eat(match)){} | |
30 | return this.pos > start; | |
31 | }, | |
32 | eatSpace: function() { | |
33 | var start = this.pos; | |
34 | while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos; | |
35 | return this.pos > start; | |
36 | }, | |
37 | skipToEnd: function() {this.pos = this.string.length;}, | |
38 | skipTo: function(ch) { | |
39 | var found = this.string.indexOf(ch, this.pos); | |
40 | if (found > -1) {this.pos = found; return true;} | |
41 | }, | |
42 | backUp: function(n) {this.pos -= n;}, | |
837afb80 | 43 | column: function() {return this.start - this.lineStart;}, |
77b7b761 TD |
44 | indentation: function() {return 0;}, |
45 | match: function(pattern, consume, caseInsensitive) { | |
46 | if (typeof pattern == "string") { | |
47 | var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;}; | |
837afb80 TD |
48 | var substr = this.string.substr(this.pos, pattern.length); |
49 | if (cased(substr) == cased(pattern)) { | |
77b7b761 TD |
50 | if (consume !== false) this.pos += pattern.length; |
51 | return true; | |
52 | } | |
53 | } else { | |
54 | var match = this.string.slice(this.pos).match(pattern); | |
837afb80 | 55 | if (match && match.index > 0) return null; |
77b7b761 TD |
56 | if (match && consume !== false) this.pos += match[0].length; |
57 | return match; | |
58 | } | |
59 | }, | |
837afb80 TD |
60 | current: function(){return this.string.slice(this.start, this.pos);}, |
61 | hideFirstChars: function(n, inner) { | |
62 | this.lineStart += n; | |
63 | try { return inner(); } | |
64 | finally { this.lineStart -= n; } | |
65 | } | |
77b7b761 TD |
66 | }; |
67 | CodeMirror.StringStream = StringStream; | |
68 | ||
69 | CodeMirror.startState = function (mode, a1, a2) { | |
70 | return mode.startState ? mode.startState(a1, a2) : true; | |
71 | }; | |
72 | ||
73 | var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {}; | |
74 | CodeMirror.defineMode = function (name, mode) { modes[name] = mode; }; | |
75 | CodeMirror.defineMIME = function (mime, spec) { mimeModes[mime] = spec; }; | |
837afb80 TD |
76 | CodeMirror.resolveMode = function(spec) { |
77 | if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { | |
77b7b761 | 78 | spec = mimeModes[spec]; |
837afb80 TD |
79 | } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { |
80 | spec = mimeModes[spec.name]; | |
81 | } | |
82 | if (typeof spec == "string") return {name: spec}; | |
83 | else return spec || {name: "null"}; | |
84 | }; | |
85 | CodeMirror.getMode = function (options, spec) { | |
86 | spec = CodeMirror.resolveMode(spec); | |
87 | var mfactory = modes[spec.name]; | |
77b7b761 | 88 | if (!mfactory) throw new Error("Unknown mode: " + spec); |
837afb80 | 89 | return mfactory(options, spec); |
77b7b761 | 90 | }; |
837afb80 TD |
91 | CodeMirror.registerHelper = CodeMirror.registerGlobalHelper = Math.min; |
92 | CodeMirror.defineMode("null", function() { | |
93 | return {token: function(stream) {stream.skipToEnd();}}; | |
94 | }); | |
95 | CodeMirror.defineMIME("text/plain", "null"); | |
77b7b761 TD |
96 | |
97 | CodeMirror.runMode = function (string, modespec, callback, options) { | |
98 | var mode = CodeMirror.getMode({ indentUnit: 2 }, modespec); | |
99 | ||
100 | if (callback.nodeType == 1) { | |
101 | var tabSize = (options && options.tabSize) || 4; | |
102 | var node = callback, col = 0; | |
103 | node.innerHTML = ""; | |
104 | callback = function (text, style) { | |
105 | if (text == "\n") { | |
106 | node.appendChild(document.createElement("br")); | |
107 | col = 0; | |
108 | return; | |
109 | } | |
110 | var content = ""; | |
111 | // replace tabs | |
112 | for (var pos = 0; ;) { | |
113 | var idx = text.indexOf("\t", pos); | |
114 | if (idx == -1) { | |
115 | content += text.slice(pos); | |
116 | col += text.length - pos; | |
117 | break; | |
118 | } else { | |
119 | col += idx - pos; | |
120 | content += text.slice(pos, idx); | |
121 | var size = tabSize - col % tabSize; | |
122 | col += size; | |
123 | for (var i = 0; i < size; ++i) content += " "; | |
124 | pos = idx + 1; | |
125 | } | |
126 | } | |
127 | ||
128 | if (style) { | |
129 | var sp = node.appendChild(document.createElement("span")); | |
130 | sp.className = "cm-" + style.replace(/ +/g, " cm-"); | |
131 | sp.appendChild(document.createTextNode(content)); | |
132 | } else { | |
133 | node.appendChild(document.createTextNode(content)); | |
134 | } | |
135 | }; | |
136 | } | |
137 | ||
837afb80 | 138 | var lines = splitLines(string), state = (options && options.state) || CodeMirror.startState(mode); |
77b7b761 TD |
139 | for (var i = 0, e = lines.length; i < e; ++i) { |
140 | if (i) callback("\n"); | |
141 | var stream = new CodeMirror.StringStream(lines[i]); | |
142 | while (!stream.eol()) { | |
143 | var style = mode.token(stream, state); | |
837afb80 | 144 | callback(stream.current(), style, i, stream.start, state); |
77b7b761 TD |
145 | stream.start = stream.pos; |
146 | } | |
147 | } | |
148 | }; | |
837afb80 | 149 | })(); |