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annotate src/luan/lib/HtmlLib.java @ 108:3c404a296995

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make Package module more standard; return _ENV by default; add "import" statement; git-svn-id: https://luan-java.googlecode.com/svn/trunk@109 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Fri, 23 May 2014 03:21:54 +0000
parents b1e87f1bcc13
children f5af13062b10
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.LuanJavaFunction;
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9 public final class HtmlLib {
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11 public static final String NAME = "Html";
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13 public static final LuanFunction LOADER = new LuanFunction() {
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14 @Override public Object[] call(LuanState luan,Object[] args) {
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15 LuanTable module = new LuanTable();
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16 try {
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17 add( module, "encode", String.class );
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18 } catch(NoSuchMethodException e) {
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19 throw new RuntimeException(e);
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20 }
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21 return new Object[]{module};
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22 }
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23 };
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25 private static void add(LuanTable t,String method,Class<?>... parameterTypes) throws NoSuchMethodException {
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26 t.put( method, new LuanJavaFunction(HtmlLib.class.getMethod(method,parameterTypes),null) );
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27 }
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29 public static String encode(String s) {
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30 char[] a = s.toCharArray();
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31 StringBuilder buf = new StringBuilder();
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32 for( int i=0; i<a.length; i++ ) {
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33 char c = a[i];
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34 switch(c) {
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35 case '&':
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36 buf.append("&amp;");
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37 break;
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38 case '<':
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39 buf.append("&lt;");
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40 break;
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41 case '>':
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42 buf.append("&gt;");
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43 break;
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44 case '"':
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45 buf.append("&quot;");
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46 break;
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47 default:
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48 buf.append(c);
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49 }
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50 }
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51 return buf.toString();
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52 }
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54 }