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1 #!/usr/bin/env node
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2
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3 // Simple command-line code highlighting tool. Reads code from stdin,
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4 // spits html to stdout. For example:
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5 //
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6 // echo 'function foo(a) { return a; }' | bin/source-highlight -s javascript
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7 // bin/source-highlight -s
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8
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9 var fs = require("fs");
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10
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11 var CodeMirror = require("../addon/runmode/runmode.node.js");
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12 require("../mode/meta.js");
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13
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14 var sPos = process.argv.indexOf("-s");
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15 if (sPos == -1 || sPos == process.argv.length - 1) {
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16 console.error("Usage: source-highlight -s language");
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17 process.exit(1);
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18 }
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19 var lang = process.argv[sPos + 1].toLowerCase(), modeName = lang;
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20 var found = CodeMirror.findModeByMIME(lang) || CodeMirror.findModeByName(lang)
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21 if (found) {
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22 modeName = found.mode
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23 lang = found.mime
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24 }
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25
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26 if (!CodeMirror.modes[modeName])
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27 require("../mode/" + modeName + "/" + modeName + ".js");
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28
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29 function esc(str) {
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30 return str.replace(/[<&]/g, function(ch) { return ch == "&" ? "&" : "<"; });
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31 }
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32
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33 var code = fs.readFileSync("/dev/stdin", "utf8");
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34 var curStyle = null, accum = "";
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35 function flush() {
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36 if (curStyle) process.stdout.write("<span class=\"" + curStyle.replace(/(^|\s+)/g, "$1cm-") + "\">" + esc(accum) + "</span>");
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37 else process.stdout.write(esc(accum));
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38 }
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39
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40 CodeMirror.runMode(code, lang, function(text, style) {
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41 if (style != curStyle) {
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42 flush();
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43 curStyle = style; accum = text;
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44 } else {
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45 accum += text;
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46 }
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47 });
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48 flush();
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