Mercurial Hosting > luan
annotate src/luan/CmdLine.java @ 26:409871b33355
CmdLine varArgs
git-svn-id: https://luan-java.googlecode.com/svn/trunk@27 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
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date | Thu, 06 Dec 2012 10:17:27 +0000 |
parents | c93d8c781853 |
children | 9bc66d09ea48 |
rev | line source |
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1 package luan; |
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2 |
26
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3 import java.util.Arrays; |
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4 import java.util.Scanner; |
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5 import luan.lib.BasicLib; |
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6 |
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7 |
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8 public class CmdLine { |
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9 |
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10 public static void main(String[] args) throws Exception { |
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11 LuaState lua = new LuaState(); |
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12 BasicLib.register(lua); |
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13 boolean interactive = false; |
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14 int i = 0; |
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15 while( i < args.length ) { |
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16 String arg = args[i]; |
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17 if( !arg.startsWith("-") ) |
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18 break; |
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19 if( arg.equals("-i") ) { |
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20 interactive = true; |
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21 } else { |
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22 throw new RuntimeException("invalid option: "+arg); |
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23 } |
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24 i++; |
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25 } |
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26 if( i == args.length ) { |
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27 interactive = true; |
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28 } else { |
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29 String file = args[i++]; |
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30 Object[] varArgs = new Object[args.length-1]; |
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31 System.arraycopy(args,1,varArgs,0,varArgs.length); |
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32 LuaTable argsTable = new LuaTable(); |
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33 for( int j=0; j<args.length; j++ ) { |
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34 argsTable.set( new LuaNumber(j), args[j] ); |
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35 } |
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36 lua.env().set("arg",argsTable); |
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37 try { |
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38 LuaFunction fn = BasicLib.loadFile(lua,file); |
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39 fn.call(lua,varArgs); |
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40 } catch(LuaException e) { |
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41 // System.out.println(e.getMessage()); |
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42 e.printStackTrace(); |
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43 return; |
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44 } |
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45 } |
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46 if( interactive ) |
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47 interactive(lua); |
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48 } |
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49 |
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50 static void interactive(LuaState lua) { |
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51 while( true ) { |
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52 System.out.print("> "); |
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53 String input = new Scanner(System.in).nextLine(); |
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54 try { |
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55 LuaFunction fn = BasicLib.load(lua,input); |
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56 Object[] rtn = fn.call(lua); |
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57 if( rtn.length > 0 ) |
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58 BasicLib.print(rtn); |
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59 } catch(LuaException e) { |
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60 System.out.println(e.getMessage()); |
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61 } |
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62 } |
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63 } |
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64 } |