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comparison src/luan/lib/BasicLib.java @ 49:8ede219cd111

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add WebShell git-svn-id: https://luan-java.googlecode.com/svn/trunk@50 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Fri, 28 Dec 2012 19:35:04 +0000
parents 64ecb7a3aad7
children 177cfdc2bdb3
comparison
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48:64ecb7a3aad7 49:8ede219cd111
19 import luan.interp.LuanCompiler; 19 import luan.interp.LuanCompiler;
20 20
21 21
22 public final class BasicLib { 22 public final class BasicLib {
23 23
24 public static void register(LuanState lua) { 24 public static void register(LuanState luan) {
25 LuanTable global = lua.global(); 25 LuanTable global = luan.global();
26 global.put( "_G", global ); 26 global.put( "_G", global );
27 add( global, "do_file", LuanState.class, String.class ); 27 add( global, "do_file", LuanState.class, String.class );
28 add( global, "error", LuanState.class, Object.class ); 28 add( global, "error", LuanState.class, Object.class );
29 add( global, "get_metatable", LuanState.class, Object.class ); 29 add( global, "get_metatable", LuanState.class, Object.class );
30 add( global, "ipairs", LuanTable.class ); 30 add( global, "ipairs", LuanTable.class );
51 } catch(NoSuchMethodException e) { 51 } catch(NoSuchMethodException e) {
52 throw new RuntimeException(e); 52 throw new RuntimeException(e);
53 } 53 }
54 } 54 }
55 55
56 public static void make_standard(LuanState lua) { 56 public static void make_standard(LuanState luan) {
57 LuanTable global = lua.global(); 57 LuanTable global = luan.global();
58 global.put( "dofile", global.get("do_file") ); 58 global.put( "dofile", global.get("do_file") );
59 global.put( "getmetatable", global.get("get_metatable") ); 59 global.put( "getmetatable", global.get("get_metatable") );
60 global.put( "loadfile", global.get("load_file") ); 60 global.put( "loadfile", global.get("load_file") );
61 global.put( "rawequal", global.get("raw_equal") ); 61 global.put( "rawequal", global.get("raw_equal") );
62 global.put( "rawget", global.get("raw_get") ); 62 global.put( "rawget", global.get("raw_get") );
65 global.put( "setmetatable", global.get("set_metatable") ); 65 global.put( "setmetatable", global.get("set_metatable") );
66 global.put( "tonumber", global.get("to_number") ); 66 global.put( "tonumber", global.get("to_number") );
67 global.put( "tostring", global.get("to_string") ); 67 global.put( "tostring", global.get("to_string") );
68 } 68 }
69 69
70 public static void print(LuanState lua,Object... args) throws LuanException { 70 public static void print(LuanState luan,Object... args) throws LuanException {
71 for( int i=0; i<args.length; i++ ) { 71 for( int i=0; i<args.length; i++ ) {
72 if( i > 0 ) 72 if( i > 0 )
73 System.out.print('\t'); 73 luan.out.print('\t');
74 System.out.print( lua.toString(LuanElement.JAVA,args[i]) ); 74 luan.out.print( luan.toString(LuanElement.JAVA,args[i]) );
75 } 75 }
76 System.out.println(); 76 luan.out.println();
77 } 77 }
78 78
79 public static String type(Object obj) { 79 public static String type(Object obj) {
80 return Luan.type(obj); 80 return Luan.type(obj);
81 } 81 }
82 82
83 public static LuanFunction load(LuanState lua,String text,String sourceName) throws LuanException { 83 public static LuanFunction load(LuanState luan,String text,String sourceName) throws LuanException {
84 return LuanCompiler.compile(lua,new LuanSource(sourceName,text)); 84 return LuanCompiler.compile(luan,new LuanSource(sourceName,text));
85 } 85 }
86 86
87 public static String readAll(Reader in) 87 public static String readAll(Reader in)
88 throws IOException 88 throws IOException
89 { 89 {
104 in.close(); 104 in.close();
105 return s; 105 return s;
106 } 106 }
107 107
108 108
109 public static LuanFunction load_file(LuanState lua,String fileName) throws LuanException { 109 public static LuanFunction load_file(LuanState luan,String fileName) throws LuanException {
110 try { 110 try {
111 String src = fileName==null ? readAll(new InputStreamReader(System.in)) : read(new File(fileName)); 111 String src = fileName==null ? readAll(new InputStreamReader(System.in)) : read(new File(fileName));
112 return load(lua,src,fileName); 112 return load(luan,src,fileName);
113 } catch(IOException e) { 113 } catch(IOException e) {
114 throw new LuanException(lua,LuanElement.JAVA,e); 114 throw new LuanException(luan,LuanElement.JAVA,e);
115 } 115 }
116 } 116 }
117 117
118 public static Object[] do_file(LuanState lua,String fileName) throws LuanException { 118 public static Object[] do_file(LuanState luan,String fileName) throws LuanException {
119 LuanFunction fn = load_file(lua,fileName); 119 LuanFunction fn = load_file(luan,fileName);
120 return lua.call(fn,LuanElement.JAVA,null); 120 return luan.call(fn,LuanElement.JAVA,null);
121 } 121 }
122 122
123 private static LuanFunction pairs(final Iterator<Map.Entry<Object,Object>> iter) { 123 private static LuanFunction pairs(final Iterator<Map.Entry<Object,Object>> iter) {
124 return new LuanFunction() { 124 return new LuanFunction() {
125 public Object[] call(LuanState lua,Object[] args) { 125 public Object[] call(LuanState luan,Object[] args) {
126 if( !iter.hasNext() ) 126 if( !iter.hasNext() )
127 return LuanFunction.EMPTY_RTN; 127 return LuanFunction.EMPTY_RTN;
128 Map.Entry<Object,Object> entry = iter.next(); 128 Map.Entry<Object,Object> entry = iter.next();
129 return new Object[]{entry.getKey(),entry.getValue()}; 129 return new Object[]{entry.getKey(),entry.getValue()};
130 } 130 }
137 137
138 public static LuanFunction ipairs(LuanTable t) { 138 public static LuanFunction ipairs(LuanTable t) {
139 return pairs( t.listIterator() ); 139 return pairs( t.listIterator() );
140 } 140 }
141 141
142 public static LuanTable get_metatable(LuanState lua,Object obj) { 142 public static LuanTable get_metatable(LuanState luan,Object obj) {
143 return lua.getMetatable(obj); 143 return luan.getMetatable(obj);
144 } 144 }
145 145
146 public static LuanTable set_metatable(LuanTable table,LuanTable metatable) { 146 public static LuanTable set_metatable(LuanTable table,LuanTable metatable) {
147 table.setMetatable(metatable); 147 table.setMetatable(metatable);
148 return table; 148 return table;
159 public static LuanTable raw_set(LuanTable table,Object index,Object value) { 159 public static LuanTable raw_set(LuanTable table,Object index,Object value) {
160 table.put(index,value); 160 table.put(index,value);
161 return table; 161 return table;
162 } 162 }
163 163
164 public static int raw_len(LuanState lua,Object v) throws LuanException { 164 public static int raw_len(LuanState luan,Object v) throws LuanException {
165 if( v instanceof String ) { 165 if( v instanceof String ) {
166 String s = (String)v; 166 String s = (String)v;
167 return s.length(); 167 return s.length();
168 } 168 }
169 if( v instanceof LuanTable ) { 169 if( v instanceof LuanTable ) {
170 LuanTable t = (LuanTable)v; 170 LuanTable t = (LuanTable)v;
171 return t.length(); 171 return t.length();
172 } 172 }
173 throw new LuanException( lua, LuanElement.JAVA, "bad argument #1 to 'raw_len' (table or string expected)" ); 173 throw new LuanException( luan, LuanElement.JAVA, "bad argument #1 to 'raw_len' (table or string expected)" );
174 } 174 }
175 175
176 public static Number to_number(Object e,Integer base) { 176 public static Number to_number(Object e,Integer base) {
177 return Luan.toNumber(e,base); 177 return Luan.toNumber(e,base);
178 } 178 }
179 179
180 public static String to_string(LuanState lua,Object v) throws LuanException { 180 public static String to_string(LuanState luan,Object v) throws LuanException {
181 return lua.toString(LuanElement.JAVA,v); 181 return luan.toString(LuanElement.JAVA,v);
182 } 182 }
183 183
184 public static void error(LuanState lua,Object msg) throws LuanException { 184 public static void error(LuanState luan,Object msg) throws LuanException {
185 throw new LuanException(lua,LuanElement.JAVA,msg); 185 throw new LuanException(luan,LuanElement.JAVA,msg);
186 } 186 }
187 187
188 } 188 }