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comparison src/luan/lib/PackageLib.java @ 143:fcb81fa2df0d

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handle urls and java resources as files git-svn-id: https://luan-java.googlecode.com/svn/trunk@144 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Fri, 13 Jun 2014 19:04:05 +0000
parents 05f8c21160ef
children 2e92f0a6fcac
comparison
equal deleted inserted replaced
142:05f8c21160ef 143:fcb81fa2df0d
1 package luan.lib; 1 package luan.lib;
2 2
3 import java.io.File;
4 import java.io.IOException; 3 import java.io.IOException;
5 import java.net.URL;
6 import java.util.Arrays; 4 import java.util.Arrays;
7 import java.util.Collections; 5 import java.util.Collections;
8 import java.util.List; 6 import java.util.List;
9 import luan.Luan; 7 import luan.Luan;
10 import luan.LuanState; 8 import luan.LuanState;
32 throw new RuntimeException(e); 30 throw new RuntimeException(e);
33 } 31 }
34 LuanTable searchers = luan.searchers(); 32 LuanTable searchers = luan.searchers();
35 searchers.add(preloadSearcher); 33 searchers.add(preloadSearcher);
36 searchers.add(fileSearcher); 34 searchers.add(fileSearcher);
37 searchers.put("java",javaFileSearcher);
38 module.put("searchers",searchers); 35 module.put("searchers",searchers);
39 return module; 36 return module;
40 } 37 }
41 }; 38 };
42 39
52 String searchFor = modName; 49 String searchFor = modName;
53 LuanTable searchers = (LuanTable)luan.get("Package.searchers"); 50 LuanTable searchers = (LuanTable)luan.get("Package.searchers");
54 if( searchers == null ) { 51 if( searchers == null ) {
55 list = Collections.<Object>singletonList(preloadSearcher); 52 list = Collections.<Object>singletonList(preloadSearcher);
56 } else { 53 } else {
57 int i = modName.indexOf(':'); 54 list = searchers.asList();
58 if( i != -1 ) {
59 String prefix = modName.substring(0,i);
60 Object searcher = searchers.get(prefix);
61 if( searcher != null ) {
62 list = Collections.<Object>singletonList(searcher);
63 searchFor = modName.substring(i+1);
64 }
65 }
66 if( list == null )
67 list = searchers.asList();
68 } 55 }
69 for( Object s : list ) { 56 for( Object s : list ) {
70 LuanFunction searcher = (LuanFunction)s; 57 LuanFunction searcher = (LuanFunction)s;
71 Object[] a = Luan.array(luan.call(searcher,"<searcher>",new Object[]{searchFor})); 58 Object[] a = Luan.array(luan.call(searcher,"<searcher>",new Object[]{searchFor}));
72 if( a.length >= 1 && a[0] instanceof LuanFunction ) { 59 if( a.length >= 1 && a[0] instanceof LuanFunction ) {
90 } 77 }
91 78
92 public static String search_path(String name,String path) { 79 public static String search_path(String name,String path) {
93 for( String s : path.split(";") ) { 80 for( String s : path.split(";") ) {
94 String file = s.replaceAll("\\?",name); 81 String file = s.replaceAll("\\?",name);
95 if( new File(file).exists() ) 82 if( Utils.exists(file) )
96 return file; 83 return file;
97 } 84 }
98 return null; 85 return null;
99 } 86 }
100 87
124 } 111 }
125 }; 112 };
126 113
127 114
128 115
129
130 public static final LuanFunction javaFileLoader = new LuanFunction() {
131 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
132 String urlStr = (String)args[1];
133 String path = (String)args[2];
134 try {
135 String src = new IoLib.LuanUrl(urlStr).read_text();
136 LuanFunction fn = BasicLib.load(luan,src,path,false,false);
137 return fn.call(luan,args);
138 } catch(IOException e) {
139 throw luan.exception(e);
140 }
141 }
142 };
143
144 public static final LuanFunction javaFileSearcher = new LuanFunction() {
145 @Override public Object[] call(LuanState luan,Object[] args) {
146 String path = (String)args[0];
147 String url = IoLib.java_resource_to_url(path);
148 if( url != null ) {
149 return new Object[]{javaFileLoader,url,path};
150 }
151 return LuanFunction.NOTHING;
152 }
153 };
154
155
156 public static LuanFunction get_loader(String path) 116 public static LuanFunction get_loader(String path)
157 throws ClassNotFoundException, NoSuchFieldException, IllegalAccessException 117 throws ClassNotFoundException, NoSuchFieldException, IllegalAccessException
158 { 118 {
159 int i = path.lastIndexOf('.'); 119 int i = path.lastIndexOf('.');
160 String clsPath = path.substring(0,i); 120 String clsPath = path.substring(0,i);