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1 <!doctype html>
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2
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3 <title>CodeMirror: Overlay Parser Demo</title>
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4 <meta charset="utf-8"/>
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5 <link rel=stylesheet href="../doc/docs.css">
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6
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7 <link rel="stylesheet" href="../lib/codemirror.css">
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8 <script src="../lib/codemirror.js"></script>
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9 <script src="../addon/mode/overlay.js"></script>
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10 <script src="../mode/xml/xml.js"></script>
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11 <style>
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12 .CodeMirror {border: 1px solid black;}
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13 .cm-mustache {color: #0ca;}
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14 </style>
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15 <div id=nav>
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16 <a href="https://codemirror.net/5"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a>
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17
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18 <ul>
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19 <li><a href="../index.html">Home</a>
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20 <li><a href="../doc/manual.html">Manual</a>
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21 <li><a href="https://github.com/codemirror/codemirror5">Code</a>
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22 </ul>
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23 <ul>
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24 <li><a class=active href="#">Overlay Parser</a>
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25 </ul>
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26 </div>
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27
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28 <article>
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29 <h2>Overlay Parser Demo</h2>
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30 <form><textarea id="code" name="code">
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31 <html>
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32 <body>
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33 <h1>{{title}}</h1>
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34 <p>These are links to {{things}}:</p>
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35 <ul>{{#links}}
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36 <li><a href="{{url}}">{{text}}</a></li>
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37 {{/links}}</ul>
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38 </body>
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39 </html>
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40 </textarea></form>
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41
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42 <script>
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43 CodeMirror.defineMode("mustache", function(config, parserConfig) {
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44 var mustacheOverlay = {
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45 token: function(stream, state) {
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46 var ch;
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47 if (stream.match("{{")) {
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48 while ((ch = stream.next()) != null)
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49 if (ch == "}" && stream.next() == "}") {
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50 stream.eat("}");
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51 return "mustache";
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52 }
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53 }
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54 while (stream.next() != null && !stream.match("{{", false)) {}
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55 return null;
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56 }
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57 };
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58 return CodeMirror.overlayMode(CodeMirror.getMode(config, parserConfig.backdrop || "text/html"), mustacheOverlay);
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59 });
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60 var editor = CodeMirror.fromTextArea(document.getElementById("code"), {mode: "mustache"});
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61 </script>
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62
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63 <p>Demonstration of a mode that parses HTML, highlighting
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64 the <a href="http://mustache.github.io/">Mustache</a> templating
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65 directives inside of it by using the code
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66 in <a href="../addon/mode/overlay.js"><code>overlay.js</code></a>. View
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67 source to see the 15 lines of code needed to accomplish this.</p>
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68
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69 </article>
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