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1 | CodeMirror.runMode = function(string, modespec, callback, options) { | |
2 | var mode = CodeMirror.getMode(CodeMirror.defaults, modespec); | |
3 | ||
4 | if (callback.nodeType == 1) { | |
5 | var tabSize = (options && options.tabSize) || CodeMirror.defaults.tabSize; | |
6 | var node = callback, col = 0; | |
7 | node.innerHTML = ""; | |
8 | callback = function(text, style) { | |
9 | if (text == "\n") { | |
10 | node.appendChild(document.createElement("br")); | |
11 | col = 0; | |
12 | return; | |
13 | } | |
14 | var content = ""; | |
15 | // replace tabs | |
16 | for (var pos = 0;;) { | |
17 | var idx = text.indexOf("\t", pos); | |
18 | if (idx == -1) { | |
19 | content += text.slice(pos); | |
20 | col += text.length - pos; | |
21 | break; | |
22 | } else { | |
23 | col += idx - pos; | |
24 | content += text.slice(pos, idx); | |
25 | var size = tabSize - col % tabSize; | |
26 | col += size; | |
27 | for (var i = 0; i < size; ++i) content += " "; | |
28 | pos = idx + 1; | |
29 | } | |
30 | } | |
31 | ||
32 | if (style) { | |
33 | var sp = node.appendChild(document.createElement("span")); | |
34 | sp.className = "cm-" + style.replace(/ +/g, " cm-"); | |
35 | sp.appendChild(document.createTextNode(content)); | |
36 | } else { | |
37 | node.appendChild(document.createTextNode(content)); | |
38 | } | |
39 | }; | |
40 | } | |
41 | ||
42 | var lines = CodeMirror.splitLines(string), state = CodeMirror.startState(mode); | |
43 | for (var i = 0, e = lines.length; i < e; ++i) { | |
44 | if (i) callback("\n"); | |
45 | var stream = new CodeMirror.StringStream(lines[i]); | |
46 | while (!stream.eol()) { | |
47 | var style = mode.token(stream, state); | |
48 | callback(stream.current(), style, i, stream.start); | |
49 | stream.start = stream.pos; | |
50 | } | |
51 | } | |
52 | }; |