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annotate src/luan/lib/HtmlLib.java @ 73:f86e4f77ef32

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add package module git-svn-id: https://luan-java.googlecode.com/svn/trunk@74 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Tue, 12 Feb 2013 09:46:45 +0000
parents 8ede219cd111
children f003338d503b
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 public Object[] call(LuanState luan,Object[] args) {
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15 LuanTable module = new LuanTable();
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16 LuanTable global = luan.global;
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17 global.put(NAME,module);
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18 try {
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19 add( module, "encode", String.class );
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20 } catch(NoSuchMethodException e) {
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21 throw new RuntimeException(e);
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22 }
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23 return LuanFunction.EMPTY_RTN;
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24 }
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25 };
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27 private static void add(LuanTable t,String method,Class<?>... parameterTypes) throws NoSuchMethodException {
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28 t.put( method, new LuanJavaFunction(HtmlLib.class.getMethod(method,parameterTypes),null) );
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29 }
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31 public static String encode(String s) {
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32 char[] a = s.toCharArray();
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33 StringBuilder buf = new StringBuilder();
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34 for( int i=0; i<a.length; i++ ) {
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35 char c = a[i];
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36 switch(c) {
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37 case '&':
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38 buf.append("&amp;");
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39 break;
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40 case '<':
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41 buf.append("&lt;");
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42 break;
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43 case '>':
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44 buf.append("&gt;");
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45 break;
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46 case '"':
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47 buf.append("&quot;");
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48 break;
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49 default:
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50 buf.append(c);
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51 }
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52 }
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53 return buf.toString();
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54 }
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56 }