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comparison src/luan/lib/BasicLib.java @ 29:9bc66d09ea48

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CmdLine improvements git-svn-id: https://luan-java.googlecode.com/svn/trunk@30 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Fri, 07 Dec 2012 09:33:31 +0000
parents 9de9be530625
children 8d8f4f5caef4
comparison
equal deleted inserted replaced
28:df923e5835b2 29:9bc66d09ea48
1 package luan.lib; 1 package luan.lib;
2 2
3 import java.io.File;
4 import java.io.Reader;
3 import java.io.FileReader; 5 import java.io.FileReader;
4 import java.io.IOException; 6 import java.io.IOException;
5 import java.lang.reflect.Method; 7 import java.lang.reflect.Method;
6 import java.util.Iterator; 8 import java.util.Iterator;
7 import java.util.Map; 9 import java.util.Map;
27 public static void register(LuaState lua) { 29 public static void register(LuaState lua) {
28 LuaTable t = lua.env(); 30 LuaTable t = lua.env();
29 add( t, "print", new Object[0].getClass() ); 31 add( t, "print", new Object[0].getClass() );
30 add( t, "type", Object.class ); 32 add( t, "type", Object.class );
31 add( t, "load", LuaState.class, String.class ); 33 add( t, "load", LuaState.class, String.class );
32 add( t, "loadFile", LuaState.class, String.class ); 34 add( t, "loadfile", LuaState.class, String.class );
33 add( t, "pairs", LuaTable.class ); 35 add( t, "pairs", LuaTable.class );
34 add( t, "ipairs", LuaTable.class ); 36 add( t, "ipairs", LuaTable.class );
35 } 37 }
36 38
37 private static void add(LuaTable t,String method,Class<?>... parameterTypes) { 39 private static void add(LuaTable t,String method,Class<?>... parameterTypes) {
72 } 74 }
73 Chunk chunk = (Chunk)resultValue; 75 Chunk chunk = (Chunk)resultValue;
74 return chunk.newClosure(lua); 76 return chunk.newClosure(lua);
75 } 77 }
76 78
77 public static String readFile(String fileName) throws IOException { 79 public static String readAll(Reader in)
78 StringBuilder sb = new StringBuilder(); 80 throws IOException
79 FileReader in = new FileReader(fileName); 81 {
80 char[] buf = new char[8192]; 82 char[] a = new char[8192];
83 StringBuilder buf = new StringBuilder();
81 int n; 84 int n;
82 while( (n=in.read(buf)) != -1 ) { 85 while( (n=in.read(a)) != -1 ) {
83 sb.append(buf,0,n); 86 buf.append(a,0,n);
84 } 87 }
85 return sb.toString(); 88 return buf.toString();
86 } 89 }
87 90
88 public static LuaFunction loadFile(LuaState lua,String fileName) throws LuaException,IOException { 91 public static String read(File file)
89 return load(lua,readFile(fileName)); 92 throws IOException
93 {
94 Reader in = new FileReader(file);
95 String s = readAll(in);
96 in.close();
97 return s;
98 }
99
100
101 public static LuaFunction loadfile(LuaState lua,String fileName) throws LuaException,IOException {
102 return load(lua,read(new File(fileName)));
90 } 103 }
91 104
92 private static class TableIter { 105 private static class TableIter {
93 private final Iterator<Map.Entry<Object,Object>> iter; 106 private final Iterator<Map.Entry<Object,Object>> iter;
94 107