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annotate src/luan/lib/HtmlLib.java @ 86:6db8f286fa6c

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_ENV is per module, not global git-svn-id: https://luan-java.googlecode.com/svn/trunk@87 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Wed, 27 Feb 2013 08:03:51 +0000
parents 4bf3d0c0b6b9
children b1e87f1bcc13
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 package luan.lib;
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3 import luan.LuanState;
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4 import luan.LuanTable;
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5 import luan.LuanFunction;
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6 import luan.LuanLoader;
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7 import luan.LuanJavaFunction;
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10 public final class HtmlLib {
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12 public static final String NAME = "html";
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14 public static final LuanLoader LOADER = new LuanLoader() {
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15 @Override protected void load(LuanState luan) {
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16 LuanTable module = new LuanTable();
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17 try {
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18 add( module, "encode", String.class );
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19 } catch(NoSuchMethodException e) {
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20 throw new RuntimeException(e);
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21 }
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22 luan.loaded().put(NAME,module);
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23 }
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24 };
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26 private static void add(LuanTable t,String method,Class<?>... parameterTypes) throws NoSuchMethodException {
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27 t.put( method, new LuanJavaFunction(HtmlLib.class.getMethod(method,parameterTypes),null) );
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28 }
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30 public static String encode(String s) {
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31 char[] a = s.toCharArray();
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32 StringBuilder buf = new StringBuilder();
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33 for( int i=0; i<a.length; i++ ) {
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34 char c = a[i];
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35 switch(c) {
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36 case '&':
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37 buf.append("&amp;");
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38 break;
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39 case '<':
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40 buf.append("&lt;");
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41 break;
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42 case '>':
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43 buf.append("&gt;");
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44 break;
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45 case '"':
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46 buf.append("&quot;");
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47 break;
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48 default:
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49 buf.append(c);
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50 }
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51 }
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52 return buf.toString();
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53 }
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55 }