2 // Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL]
10 import org.xwt.util.*;
11 import org.xwt.translators.*;
12 import org.bouncycastle.util.encoders.Base64;
14 /** Singleton class that provides all functionality in the xwt.* namespace */
15 public final class XWT extends JS {
18 public XWT(Res rr) { this.rr = rr; }
20 /** lets us put multi-level get/put/call keys all in the same method */
21 private class Sub extends JS {
23 Sub(String key) { this.key = key; }
24 public String toString() { return "XWTSUB " + key; }
25 public void put(Object key, Object val) { XWT.this.put(this.key + "." + key, val); }
26 public Object get(Object key) { return XWT.this.get(this.key + "." + key); }
27 public Object call(Object a0, Object a1, Object a2, Object[] rest, int nargs) throws JSExn {
28 return XWT.this.callMethod(this.key, a0, a1, a2, rest, nargs);
30 public Object callMethod(Object method, Object a0, Object a1, Object a2, Object[] rest, int nargs) throws JSExn {
31 return XWT.this.callMethod(this.key + "." + method, a0, a1, a2, rest, nargs);
35 public Object get(Object name) {
37 case "math": return xwtMath;
38 case "string": return xwtString;
39 case "date": return METHOD;
40 case "origin": return Main.origin;
41 case "box": return new Box();
42 case "log": return new Sub("log");
43 case "ui": return new Sub("ui");
44 case "thread": return new Sub("thread");
45 case "font": return new Sub("font");
46 case "font.sansserif": return Main.builtin.get("fonts/vera/Vera.ttf");
47 case "font.monospace": return Main.builtin.get("fonts/vera/VeraMono.ttf");
48 case "font.serif": return Main.builtin.get("fonts/vera/VeraSe.ttf");
49 case "ui.key": return new Sub("ui.key");
50 case "ui.key.alt": return Surface.alt ? Boolean.TRUE : Boolean.FALSE;
51 case "ui.key.control": return Surface.control ? Boolean.TRUE : Boolean.FALSE;
52 case "ui.key.shift": return Surface.shift ? Boolean.TRUE : Boolean.FALSE;
53 case "ui.clipboard": return Platform.getClipBoard();
54 case "ui.maxdim": return new Integer(Short.MAX_VALUE);
55 case "ui.key.name": return new Sub("ui.key.name");
56 case "ui.key.name.alt": return Platform.altKeyName();
57 case "ui.screen": return new Sub("ui.screen");
58 case "ui.screen.width": return new Integer(Platform.getScreenWidth());
59 case "ui.screen.height": return new Integer(Platform.getScreenHeight());
60 case "fs.home": return System.getProperty("user.home");
61 case "fs.temp": return System.getProperty("java.io.tempdir");
62 case "ui.mouse": return new Sub("ui.mouse");
63 case "res": return new Sub("res");
64 case "ui.mouse.button":
65 if (Surface.button1 && !Surface.button2 && !Surface.button3) return new Integer(1);
66 else if (!Surface.button1 && Surface.button2 && !Surface.button3) return new Integer(2);
67 else if (!Surface.button1 && !Surface.button2 && Surface.button3) return new Integer(3);
69 case "undocumented": return new Sub("undocumented");
70 case "undocumented.internal": return new Sub("undocumented.internal");
71 case "thread.yield": return METHOD;
72 case "thread.sleep": return METHOD;
73 case "res.watch": return METHOD;
74 case "res.unzip": return METHOD;
75 case "res.uncab": return METHOD;
76 case "res.cache": return METHOD;
77 case "res.url": return METHOD;
78 case "soap": return METHOD;
79 case "apply": return METHOD;
80 case "graft": return METHOD;
81 case "ui.browser": return METHOD;
82 case "clone": return METHOD;
83 case "log.println": return METHOD;
84 case "log.dump": return METHOD;
85 case "regexp": return METHOD;
86 case "rpc.xml": return METHOD;
87 case "rpc.soap": return METHOD;
88 case "crypto.rsa": return METHOD;
89 case "crypto.md5": return METHOD;
90 case "crypto.sha1": return METHOD;
91 case "crypto.rc4": return METHOD;
92 case "stream.parse.html": return METHOD;
93 case "stream.parse.xml": return METHOD;
94 case "stream.parse.utf8": return METHOD;
99 public void put(Object name, final Object value) {
102 Scheduler.add(new Scheduler.Task() {
103 public void perform() throws JSExn {
105 JS.invokePauseable((JSFunction)value);
106 } catch (JS.PausedException pe) {
107 // okay; wait for ourselves to be re-enqueued
111 case "ui.clipboard": Platform.setClipBoard((String)value);
112 case "ui.frame": Platform.createSurface((Box)value, true, true);
113 case "ui.window": Platform.createSurface((Box)value, false, true);
114 case "undocumented.internal.proxyAuthorization":
115 HTTP.Proxy.Authorization.authorization = value.toString();
116 HTTP.Proxy.Authorization.waitingForUser.release();
120 public Object callMethod(Object name, Object a, Object b, Object c, Object[] rest, int nargs) throws JSExn {
121 if (name.equals("date")) return new JSDate(a, b, c, rest, nargs);
122 else if (nargs == 0 && name.equals("thread.yield")) { sleep(0); return null; }
123 else if (nargs == 2) {
125 case "res.watch": return new Res.ProgressWatcher((Res)a, (JSFunction)b);
126 case "soap": /* return new SOAP((String)a, "", (String)b, null); */
128 Template.getTemplate((Res)b).apply((Box)a, XWT.this);
131 } else if (nargs == 3 && name.equals("soap")) {
133 if (name.equals("soap"))
134 return new SOAP((String)a, "", (String)b, (String)c);
137 } else if (nargs == 1) {
139 case "ui.browser": Platform.newBrowserWindow((String)a); return null;
140 case "clone": return new XWT((Res)a);
141 case "res.unzip": return new Res.Zip((Res)a);
142 case "res.uncab": return new Res.Cab((Res)a);
143 case "res.cache": try { return new Res.CachedRes((Res)a, "resources", true); }
144 catch (Res.NotCacheableException e) { throw new JSExn("this resource cannot be cached"); }
146 String url = (String)a;
147 if (url.startsWith("http://")) return new Res.HTTP(url);
148 else if (url.startsWith("https://")) return new Res.HTTP(url);
149 else if (url.startsWith("data:")) return new Res.ByteArray(Base64.decode(url.substring(5)), null);
150 else if (url.startsWith("utf8:")) return new Res.ByteArray(url.substring(5).getBytes(), null);
151 throw new JSExn("invalid resource specifier " + url);
152 case "thread.sleep": sleep(JS.toInt(a)); return null;
153 case "log.println": Log.logJS(this, a== null ? "**null**" : a.toString()); return null;
154 case "log.dump": Log.recursiveLog("","",a); return null;
155 case "regexp": return new JSRegexp(a, null);
156 case "rpc.xml": return new XMLRPC((String)a, "");
157 case "rpc.soap": /* return new SOAP((String)a, "", null, null); */
158 case "crypto.rsa": /* FEATURE */ break;
159 case "crypto.md5": /* FEATURE */ break;
160 case "crypto.sha1": /* FEATURE */ break;
161 case "crypto.rc4": /* FEATURE */ break;
162 case "stream.parse.html": /* FEATURE */ break;
163 case "stream.parse.xml": /* FEATURE */ break;
164 case "stream.parse.utf8": /* FEATURE */ break;
170 public static void sleep(final int i) throws JSExn {
172 final JS.UnpauseCallback callback = JS.pause();
173 final long currentTime = System.currentTimeMillis();
176 try { Thread.sleep(i); } catch (InterruptedException e) { }
177 Scheduler.add(new Scheduler.Task() {
178 public void perform() throws JSExn {
179 callback.unpause(null);
184 } catch (JS.NotPauseableException npe) {
185 throw new JSExn("you cannot sleep or yield in the foreground thread");
189 public static final JSMath xwtMath = new JSMath() {
190 private JS gs = new JSScope.Global();
191 public String toString() { return "XWTMATH"; }
192 public Object get(Object key) throws JSExn {
194 case "isNaN": return gs.get("isNaN");
195 case "isFinite": return gs.get("isFinite");
196 case "NaN": return gs.get("NaN");
197 case "Infinity": return gs.get("Infinity");
199 return super.get(key);
203 public static final JS xwtString = new JS() {
204 private JS gs = new JSScope.Global();
205 public void put(Object key, Object val) { }
206 public Object get(Object key) throws JSExn {
208 case "parseInt": return gs.get("parseInt");
209 case "parseFloat": return gs.get("parseFloat");
210 case "decodeURI": return gs.get("decodeURI");
211 case "decodeURIComponent": return gs.get("decodeURIComponent");
212 case "encodeURI": return gs.get("encodeURI");
213 case "encodeURIComponent": return gs.get("encodeURIComponent");
214 case "escape": return gs.get("escape");
215 case "unescape": return gs.get("unescape");
216 case "fromCharCode": return gs.get("stringFromCharCode");
222 private class XMLHelper extends XML {
223 Vector obStack = new Vector();
224 public XMLHelper() { super(BUFFER_SIZE); }
225 public void startElement(XML.Element c) throws XML.SchemaException {
228 o.put("$name", c.localName);
229 for(int i=0; i<c.len; i++) o.put(c.keys[i], c.vals[i]);
230 o.put("$numchildren", new Integer(0));
231 obStack.addElement(o);
232 } catch (JSExn jse) {
233 throw new Error("this should never happen");
236 public void endElement(XML.Element c) throws XML.SchemaException {
238 if (obStack.size() == 1) return;
239 JS me = (JS)obStack.lastElement();
240 obStack.setSize(obStack.size() - 1);
241 JS parent = (JS)obStack.lastElement();
242 int numchildren = ((Integer)parent.get("$numchildren")).intValue();
243 parent.put("$numchildren", new Integer(numchildren + 1));
244 parent.put(new Integer(numchildren), me);
245 } catch (JSExn jse) {
246 throw new Error("this should never happen");
249 public void characters(char[] ch, int start, int length) throws XML.SchemaException {
251 String s = new String(ch, start, length);
252 JS parent = (JS)obStack.lastElement();
253 int numchildren = ((Integer)parent.get("$numchildren")).intValue();
254 Object lastChild = parent.get(new Integer(numchildren - 1));
255 if (lastChild instanceof String) {
256 parent.put(new Integer(numchildren - 1), lastChild + s);
258 parent.put("$numchildren", new Integer(numchildren + 1));
259 parent.put(new Integer(numchildren), s);
261 } catch (JSExn jse) {
262 throw new Error("this should never happen");
265 public void whitespace(char[] ch, int start, int length) {}
266 public JS doParse(InputStream is) throws JSExn {
268 BufferedReader r = new BufferedReader(new InputStreamReader(is));
270 } catch (XML.XMLException e) {
271 throw new JSExn("error parsing XML: " + e.toString());
272 } catch (IOException e) {
273 if (Log.on) Log.log(this, "IO Exception while reading from file");
274 if (Log.on) Log.log(this, e);
275 throw new JSExn("error reading from Resource");
277 return obStack.size() >= 1 ? (JS)obStack.elementAt(0) : null;