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annotate src/luan/lib/HtmlLib.java @ 74:f003338d503b
improve package lib
git-svn-id: https://luan-java.googlecode.com/svn/trunk@75 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
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date | Wed, 13 Feb 2013 06:27:56 +0000 |
parents | f86e4f77ef32 |
children | 4bf3d0c0b6b9 |
rev | line source |
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49
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1 package luan.lib; |
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2 |
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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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7 |
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8 |
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9 public final class HtmlLib { |
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10 |
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11 public static final String NAME = "html"; |
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12 |
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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 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 return new Object[]{module}; |
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23 } |
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24 }; |
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25 |
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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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29 |
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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("&"); |
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38 break; |
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39 case '<': |
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40 buf.append("<"); |
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41 break; |
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42 case '>': |
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43 buf.append(">"); |
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44 break; |
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45 case '"': |
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46 buf.append("""); |
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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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54 |
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55 } |