1 // Copyright 2004 Adam Megacz, see the COPYING file for licensing [GPL]
6 import org.ibex.util.*;
7 import org.ibex.graphics.*;
8 import org.ibex.plat.*;
10 import org.ibex.crypto.*;
12 /** Singleton class that provides all functionality in the ibex.* namespace */
13 public final class Ibex extends JS.Cloneable {
18 public Ibex(Stream rr) { this.rr = bless(rr); }
20 public JS resolveString(String str, boolean permitAbsolute) throws JSExn {
21 if (str.indexOf("://") != -1) {
22 if (permitAbsolute) return (Stream)url2res(str);
23 throw new JSExn("absolute URL " + str + " not permitted here");
26 //JS ret = (JS)getAndTriggerTraps("");
29 while(str.indexOf('.') != -1) {
30 String path = str.substring(0, str.indexOf('.'));
31 str = str.substring(str.indexOf('.') + 1);
32 ret = (JS)ret.get(path);
34 if (!"".equals(str)) ret = (JS)ret.get(str);
38 /** lets us put multi-level get/put/call keys all in the same method */
39 private class Sub extends JS {
41 Sub(String key) { this.key = key; }
42 public void put(Object key, Object val) throws JSExn { Ibex.this.put(this.key + "." + key, val); }
43 public Object get(Object key) throws JSExn { return Ibex.this.get(this.key + "." + key); }
44 public Object call(Object a0, Object a1, Object a2, Object[] rest, int nargs) throws JSExn {
45 return Ibex.this.callMethod(this.key, a0, a1, a2, rest, nargs);
47 public Object callMethod(Object method, Object a0, Object a1, Object a2, Object[] rest, int nargs) throws JSExn {
48 return Ibex.this.callMethod(this.key + "." + method, a0, a1, a2, rest, nargs);
51 private Cache subCache = new Cache(20);
52 private Sub getSub(String s) {
53 Sub ret = (Sub)subCache.get(s);
54 if (ret == null) subCache.put(s, ret = new Sub(s));
58 public Object get(Object name) throws JSExn {
59 if (name instanceof String && ((String)name).length() == 0) return rr;
61 case "math": return ibexMath;
62 case "string": return ibexString;
63 case "date": return METHOD;
64 case "box": return new Box();
65 case "clone": return METHOD;
66 case "bless": return METHOD;
67 case "regexp": return METHOD;
68 case "ui": return getSub("ui");
69 case "ui.font": return getSub("ui.font");
70 case "ui.font.wait": return METHOD;
71 case "ui.font.width": return METHOD;
72 case "ui.font.height": return METHOD;
73 case "ui.font.sansserif": return Main.builtin.get("fonts/vera/Vera.ttf");
74 case "ui.font.monospace": return Main.builtin.get("fonts/vera/VeraMono.ttf");
75 case "ui.font.serif": return Main.builtin.get("fonts/vera/VeraSe.ttf");
76 case "ui.browser": return METHOD;
77 case "ui.mouse": return getSub("ui.mouse");
78 case "ui.mouse.button":
79 if (Surface.button1 && !Surface.button2 && !Surface.button3) return N(1);
80 else if (!Surface.button1 && Surface.button2 && !Surface.button3) return N(2);
81 else if (!Surface.button1 && !Surface.button2 && Surface.button3) return N(3);
83 case "ui.key": return getSub("ui.key");
84 case "ui.key.name": return getSub("ui.key.name");
85 case "ui.key.name.alt": return Platform.altKeyName();
86 case "ui.key.alt": return Surface.alt ? T : F;
87 case "ui.key.control": return Surface.control ? T : F;
88 case "ui.key.shift": return Surface.shift ? T : F;
89 case "ui.clipboard": return Platform.getClipBoard();
90 case "ui.maxdim": return N(Short.MAX_VALUE);
91 case "ui.screen": return getSub("ui.screen");
92 case "ui.screen.width": return N(Platform.getScreenWidth());
93 case "ui.screen.height": return N(Platform.getScreenHeight());
94 case "undocumented": return getSub("undocumented");
95 case "undocumented.initialOrigin": return Main.origin;
96 case "undocumented.initialTemplate": return Main.initialTemplate;
97 case "thread": return getSub("thread");
98 case "thread.yield": return METHOD;
99 case "thread.sleep": return METHOD;
100 case "stream": return getSub("stream");
101 case "stream.homedir": return url2res("file:" + System.getProperty("user.home"));
102 case "stream.tempdir": return url2res("file:" + System.getProperty("java.io.tempdir"));
103 case "stream.watch": return METHOD;
104 case "stream.unzip": return METHOD;
105 case "stream.uncab": return METHOD;
106 case "stream.cache": return METHOD;
107 case "stream.url": return METHOD;
108 case "stream.parse.html": return METHOD;
109 case "stream.parse.xml": return METHOD;
110 case "stream.parse.utf8": return METHOD;
111 case "net": return getSub("net");
112 case "net.rpc": return getSub("net.rpc");
113 case "net.rpc.xml": return METHOD;
114 case "net.rpc.soap": return METHOD;
115 case "log": return getSub("log");
116 case "log.debug": return METHOD;
117 case "log.info": return METHOD;
118 case "log.warn": return METHOD;
119 case "log.error": return METHOD;
120 case "crypto": return getSub("crypto");
121 case "crypto.rsa": return METHOD;
122 case "crypto.md5": return METHOD;
123 case "crypto.sha1": return METHOD;
124 case "crypto.rc4": return METHOD;
126 return super.get(name);
129 public void put(Object name, final Object value) throws JSExn {
131 case "thread": Scheduler.add((Task)value); return;
132 case "ui.clipboard": Platform.setClipBoard((String)value); return;
133 case "ui.frame": Platform.createSurface((Box)value, true, true); return;
134 case "ui.window": Platform.createSurface((Box)value, false, true); return;
135 case "undocumented.proxyAuthorization":
136 HTTP.Proxy.Authorization.authorization = value.toString();
137 HTTP.Proxy.Authorization.waitingForUser.release();
140 throw new JSExn("attempted to put unknown property: ibex."+name);
143 public Object callMethod(Object name, Object a, Object b, Object c, Object[] rest, int nargs) throws JSExn {
146 case "date": return new JSDate(a, b, c, rest, nargs);
147 case "net.rpc.soap": return new SOAP((String)a, "", (String)b, (String)c);
148 // FIXME support object dumping
149 case "log.debug": JS.debug(a== null ? "**null**" : a.toString()); return null;
150 case "log.info": JS.info(a== null ? "**null**" : a.toString()); return null;
151 case "log.warn": JS.warn(a== null ? "**null**" : a.toString()); return null;
152 case "log.error": JS.error(a== null ? "**null**" : a.toString()); return null;
158 case "thread.yield": sleep(0); return null;
164 if (!(a instanceof JS.Cloneable)) throw new JSExn("cannot clone a " + a.getClass().getName());
165 return ((JS.Cloneable)a).jsclone();
166 case "bless": return bless((JS)a);
167 case "ui.browser": Platform.newBrowserWindow((String)a); return null;
168 case "stream.unzip": return new Stream.Zip((Stream)a);
169 case "stream.uncab": return new Stream.Cab((Stream)a);
171 try { return new Stream.CachedStream((Stream)a, "resources", true); }
172 catch (Stream.NotCacheableException e) { throw new JSExn("this resource cannot be cached"); }
174 String url = (String)a;
175 if (url.startsWith("http://")) return new Stream.HTTP(url);
176 else if (url.startsWith("https://")) return new Stream.HTTP(url);
177 else if (url.startsWith("data:")) return new Stream.ByteArray(Base64.decode(url.substring(5)), null);
178 else if (url.startsWith("utf8:")) return new Stream.ByteArray(url.substring(5).getBytes(), null);
179 else if (url.startsWith("file:")) {
181 Platform.fileDialog(url.substring(5), false);
183 throw new JSExn("invalid resource specifier " + url);
185 case "thread.sleep": sleep(JS.toInt(a)); return null;
186 case "regexp": return new JSRegexp(a, null);
187 case "net.rpc.xml": return new XMLRPC((String)a, "");
188 case "crypto.rsa": /* FEATURE */ return null;
189 case "crypto.md5": /* FEATURE */ return null;
190 case "crypto.sha1": /* FEATURE */ return null;
191 case "crypto.rc4": /* FEATURE */ return null;
192 case "stream.parse.html": throw new JSExn("not implemented yet"); //return null;
193 case "stream.parse.xml": new XMLHelper((JS)b).doParse((JS)a); return null;
194 // FIXME backgrounding
195 case "stream.parse.utf8": try { return new String(InputStreamToByteArray.convert(Stream.getInputStream(a))); }
196 catch (Exception e) { Log.warn(this, e); }
201 case "stream.watch": return new Stream.ProgressWatcher((Stream)a, (JS)b);
202 case "regexp": return new JSRegexp(a, b);
206 case "ui.font.height": return N(Font.getFont((Stream)a, JS.toInt(b)).textheight((String)c));
207 case "ui.font.wait": throw new Error("FIXME: ibex.ui.font.wait not implemented");
208 case "ui.font.width": return N(Font.getFont((Stream)a, JS.toInt(b)).textwidth((String)c));
212 } catch (RuntimeException e) {
213 // FIXME: maybe JSExn should take a second argument, Exception
214 Log.warn(this, "ibex."+name+"() threw: " + e);
215 throw new JSExn("invalid argument for ibex object method "+name+"()");
218 throw new JSExn("invalid number of arguments ("+nargs+") for ibex object method "+name+"()");
221 public Stream url2res(String url) throws JSExn {
222 if (url.startsWith("http://")) return new Stream.HTTP(url);
223 else if (url.startsWith("https://")) return new Stream.HTTP(url);
224 else if (url.startsWith("data:")) return new Stream.ByteArray(Base64.decode(url.substring(5)), null);
225 else if (url.startsWith("utf8:")) return new Stream.ByteArray(url.substring(5).getBytes(), null);
226 else throw new JSExn("invalid resource specifier " + url);
227 // FIXME support file:// via dialog boxes
230 public static void sleep(final int i) throws JSExn {
232 final JS.UnpauseCallback callback = JS.pause();
233 // FEATURE use a single sleeper thread
234 new Thread() { public void run() {
235 try { Thread.sleep(i); } catch (InterruptedException e) { }
236 Scheduler.add(callback);
238 } catch (JS.NotPauseableException npe) {
239 throw new JSExn("you cannot sleep or yield in the foreground thread");
243 public static final JSMath ibexMath = new JSMath() {
244 private JS gs = new JSScope.Global();
245 public Object get(Object key) throws JSExn {
247 case "isNaN": return gs.get("isNaN");
248 case "isFinite": return gs.get("isFinite");
249 case "NaN": return gs.get("NaN");
250 case "Infinity": return gs.get("Infinity");
252 return super.get(key);
256 public static final JS ibexString = new JS() {
257 private JS gs = new JSScope.Global();
258 public void put(Object key, Object val) { }
259 public Object get(Object key) throws JSExn {
261 case "parseInt": return gs.get("parseInt");
262 case "parseFloat": return gs.get("parseFloat");
263 case "decodeURI": return gs.get("decodeURI");
264 case "decodeURIComponent": return gs.get("decodeURIComponent");
265 case "encodeURI": return gs.get("encodeURI");
266 case "encodeURIComponent": return gs.get("encodeURIComponent");
267 case "escape": return gs.get("escape");
268 case "unescape": return gs.get("unescape");
269 case "fromCharCode": return gs.get("stringFromCharCode");
275 private class XMLHelper extends XML {
276 private class Wrapper extends XML.Exn { public JSExn wrapee; public Wrapper(JSExn jse) { super(""); wrapee = jse; } }
277 private JS characters, whitespace, endElement, startElement;
278 public XMLHelper(JS b) throws JSExn {
280 startElement = (JS)b.getAndTriggerTraps("startElement");
281 endElement = (JS)b.getAndTriggerTraps("endElement");
282 characters = (JS)b.getAndTriggerTraps("characters");
283 whitespace = (JS)b.getAndTriggerTraps("whitespace");
286 public void startElement(XML.Element c) throws XML.Exn { try {
288 // FIXME attribute URIs? add an additional hash?
289 for(int i=0; i<c.getAttrLen(); i++) attrs.put(c.getAttrKey(i), c.getAttrVal(i));
290 startElement.call(c.getLocalName(), attrs, c.getUri(), null, 3);
291 } catch (JSExn jse) { throw new Wrapper(jse); } }
293 public void endElement(XML.Element c) throws XML.Exn { try {
294 endElement.call(c.getLocalName(), c.getUri(), null, null, 2);
295 } catch (JSExn jse) { throw new Wrapper(jse); } }
297 public void characters(char[] ch, int start, int length) throws XML.Exn { try {
298 characters.call(new String(ch, start, length), null, null, null, 1);
299 } catch (JSExn jse) { throw new Wrapper(jse); } }
301 public void whitespace(char[] ch, int start, int length) throws XML.Exn { try {
302 whitespace.call(new String(ch, start, length), null, null, null, 1);
303 } catch (JSExn jse) { throw new Wrapper(jse); } }
305 public void doParse(JS s) throws JSExn {
307 parse(new BufferedReader(new InputStreamReader(Stream.getInputStream(s))));
308 } catch (Wrapper e) {
310 } catch (XML.Exn e) {
311 throw new JSExn("error parsing XML: " + e.toString());
312 } catch (IOException e) {
313 if (Log.on) Log.info(this, "IO Exception while reading from file");
314 if (Log.on) Log.info(this, e);
315 throw new JSExn("error reading from Resource");
320 // FEATURE: move this into builtin.xwar
321 public Blessing bless(JS b) { return new Ibex.Blessing((JS.Cloneable)b, this, null, null); }
322 public static class Blessing extends JS.Clone {
324 private Template t = null;
325 public Object parentkey = null;
326 public Blessing parent = null;
327 private Hash cache = new Hash();
328 public Blessing(JS.Cloneable clonee, Ibex ibex, Blessing parent, Object parentkey) {
329 super(clonee); this.ibex = ibex; this.parentkey = parentkey; this.parent = parent; }
330 public Object get(Object key) throws JSExn {
331 if (key.equals("")) return ((Object)getStatic());
332 if (cache.get(key) != null) return cache.get(key);
333 Object ret = new Blessing((JS.Cloneable)clonee.get(key), ibex, this, key);
337 public static Blessing getBlessing(Object o) {
338 if (!(o instanceof JS)) return null;
340 while (js instanceof JS.Clone && !(js instanceof Blessing)) js = ((JS.Clone)js).getClonee();
341 if (!(js instanceof Blessing)) return null;
344 public InputStream getImage() throws JSExn {
346 InputStream in = Stream.getInputStream(this);
347 if (in != null) return in;
348 } catch (IOException e) { /* DELIBERATE */ }
349 String[] exts = new String[] { ".png", ".jpeg", ".gif" };
350 for (int i=0; i < exts.length; i++)
352 InputStream in = Stream.getInputStream(parent.get(parentkey + exts[i]));
353 if (in != null) return in;
354 } catch (IOException f) { /* DELIBERATE */ }
357 public JSScope getStatic() {
360 JS res = (JS) parent.get(parentkey + ".t");
361 t = Template.buildTemplate(res.unclone().toString(), res, ibex);
363 return t.staticScope;
364 } catch (Exception e) {
369 public Object call(Object a, Object b, Object c, Object[] rest, int nargs) throws JSExn {
371 if (nargs != 1 && nargs != 9999) throw new JSExn("FIXME can only call with one arg");
373 if (t == null) throw new JSExn("No such template " + parentkey);
374 if (nargs == 9999) return t;