1 // Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL]
10 import org.xwt.translators.*;
11 import org.bouncycastle.util.encoders.Base64;
13 /** Singleton class that provides all functionality in the xwt.* namespace */
14 public final class XWT extends JSCallable {
17 public XWT(Res rr) { this.rr = rr; }
19 /** lets us put multi-level get/put/call keys all in the same method */
20 private class Sub extends JSCallable {
22 Sub(String key) { this.key = key; }
23 public String toString() { return "XWTSUB " + key; }
24 public void put(Object key, Object val) { XWT.this.put(this.key + "." + key, val); }
25 public Object get(Object key) { return XWT.this.get(this.key + "." + key); }
26 public Object call(Object a0, Object a1, Object a2, Object[] rest, int nargs) {
27 return XWT.this.callMethod(this.key, a0, a1, a2, rest, nargs);
29 public Object callMethod(Object method, Object a0, Object a1, Object a2, Object[] rest, int nargs) {
30 return XWT.this.callMethod(this.key + "." + method, a0, a1, a2, rest, nargs);
34 public Object get(Object name) {
36 case "math": return xwtMath;
37 case "string": return xwtString;
38 case "date": return METHOD;
39 case "origin": return Main.origin;
40 case "box": return new BoxTree();
41 case "log": return new Sub("log");
42 case "ui": return new Sub("ui");
43 case "thread": return new Sub("thread");
44 case "font": return new Sub("font");
45 case "font.sansserif": return Main.builtin.get("fonts/vera/Vera.ttf");
46 case "font.monospace": return Main.builtin.get("fonts/vera/VeraMono.ttf");
47 case "font.serif": return Main.builtin.get("fonts/vera/VeraSe.ttf");
48 case "ui.key": return new Sub("ui.key");
49 case "ui.key.alt": return Surface.alt ? Boolean.TRUE : Boolean.FALSE;
50 case "ui.key.control": return Surface.control ? Boolean.TRUE : Boolean.FALSE;
51 case "ui.key.shift": return Surface.shift ? Boolean.TRUE : Boolean.FALSE;
52 case "ui.clipboard": return Platform.getClipBoard();
53 case "ui.maxdim": return new Integer(Short.MAX_VALUE);
54 case "ui.key.name": return new Sub("ui.key.name");
55 case "ui.key.name.alt": return Platform.altKeyName();
56 case "ui.screen": return new Sub("ui.screen");
57 case "ui.screen.width": return new Integer(Platform.getScreenWidth());
58 case "ui.screen.height": return new Integer(Platform.getScreenHeight());
59 case "fs.home": return System.getProperty("user.home");
60 case "fs.temp": return System.getProperty("java.io.tempdir");
61 case "ui.mouse": return new Sub("ui.mouse");
62 case "res": return new Sub("res");
63 case "ui.mouse.button":
64 if (Surface.button1 && !Surface.button2 && !Surface.button3) return new Integer(1);
65 else if (!Surface.button1 && Surface.button2 && !Surface.button3) return new Integer(2);
66 else if (!Surface.button1 && !Surface.button2 && Surface.button3) return new Integer(3);
67 else return new Integer(0);
68 case "undocumented": return new Sub("undocumented");
69 case "undocumented.internal": return new Sub("undocumented.internal");
70 case "thread.yield": return METHOD;
71 case "thread.sleep": return METHOD;
72 case "res.watch": return METHOD;
73 case "soap": return METHOD;
74 case "apply": return METHOD;
75 case "graft": return METHOD;
76 case "ui.browser": return METHOD;
77 case "clone": return METHOD;
78 case "res.unzip": return METHOD;
79 case "res.uncab": return METHOD;
80 case "res.cache": return METHOD;
81 case "res.url": return METHOD;
82 case "log.println": return METHOD;
83 case "log.dump": return METHOD;
84 case "regexp": return METHOD;
85 case "rpc.xml": return METHOD;
86 case "rpc.soap": return METHOD;
87 case "crypto.rsa": return METHOD;
88 case "crypto.md5": return METHOD;
89 case "crypto.sha1": return METHOD;
90 case "crypto.rc4": return METHOD;
91 case "stream.parse.html": return METHOD;
92 case "stream.parse.xml": return METHOD;
93 case "stream.parse.utf8": return METHOD;
98 public void put(Object name, final Object value) {
101 Scheduler.add(new Scheduler.Task() { public void perform() { JSContext.invokePauseable((JSFunction)value); } });
102 case "ui.clipboard": Platform.setClipBoard((String)value);
103 case "ui.frame": Platform.createSurface((Box)value, true, true);
104 case "ui.window": Platform.createSurface((Box)value, false, true);
105 case "undocumented.internal.proxyAuthorization":
106 HTTP.Proxy.Authorization.authorization = value.toString();
107 HTTP.Proxy.Authorization.waitingForUser.release();
111 public Object callMethod(Object name, Object a, Object b, Object c, Object[] rest, int nargs) throws JS.Exn {
112 if (name.equals("date")) {
113 JSArray args = new JSArray();
114 for(int i=0; i<nargs; i++) args.addElement(i==0?a:i==1?b:i==2?c:rest[i-3]);
115 return new org.xwt.js.JSDate(args);
117 else if (nargs == 0 && name.equals("thread.yield")) { sleep(0); return null; }
118 else if (nargs == 2) {
120 case "res.watch": return new Res.ProgressWatcher((Res)a, (JSFunction)b);
121 case "soap": return new SOAP((String)a, "", (String)b, null);
123 Template.getTemplate((Res)b).apply((Box)a, XWT.this);
126 } else if (nargs == 3 && name.equals("soap")) {
127 if (name.equals("soap")) {
128 return new SOAP((String)a, "", (String)b, (String)c);
129 } else if (name.equals("graft")) {
130 if (a instanceof Box) throw new JS.Exn("can't graft onto Boxes (yet)");
131 if (a instanceof Number) throw new JS.Exn("can't graft onto Numbers (yet)");
132 if (a instanceof String) throw new JS.Exn("can't graft onto Strings (yet)");
133 if (a instanceof Res) return new Res.Graft((Res)a, b, c);
134 return new JS.Graft((JS)a, b, c);
136 } else if (nargs == 1) {
138 case "ui.browser": Platform.newBrowserWindow((String)a); return null;
139 case "clone": return new XWT((Res)a);
140 case "res.unzip": return new Res.Zip((Res)a);
141 case "res.uncab": return new Res.Cab((Res)a);
142 case "res.cache": try { return new Res.CachedRes((Res)a, "resources", true); }
143 catch (Res.NotCacheableException e) { throw new JS.Exn("this resource cannot be cached"); }
145 String url = (String)a;
146 if (url.startsWith("http://")) return new Res.HTTP(url);
147 else if (url.startsWith("https://")) return new Res.HTTP(url);
148 else if (url.startsWith("data:")) return new Res.ByteArray(Base64.decode(url.substring(5)), null);
149 else if (url.startsWith("utf8:")) return new Res.ByteArray(url.substring(5).getBytes(), null);
150 throw new JS.Exn("invalid resource specifier " + url);
151 case "thread.sleep": sleep(JS.toInt(a)); return null;
152 case "log.println": Log.logJS(this, a== null ? "**null**" : a.toString()); return null;
153 case "log.dump": Log.recursiveLog("","",a); return null;
154 case "regexp": return new JSRegexp(a, null);
155 case "rpc.xml": return new XMLRPC((String)a, "");
156 case "rpc.soap": return new SOAP((String)a, "", null, null);
157 case "crypto.rsa": /* FEATURE */ break;
158 case "crypto.md5": /* FEATURE */ break;
159 case "crypto.sha1": /* FEATURE */ break;
160 case "crypto.rc4": /* FEATURE */ break;
161 case "stream.parse.html": /* FEATURE */ break;
162 case "stream.parse.xml": /* FEATURE */ break;
163 case "stream.parse.utf8": /* FEATURE */ break;
169 public static void sleep(final int i) {
170 final Callback callback = JSContext.pause();
171 final long currentTime = System.currentTimeMillis();
174 try { Thread.sleep(i); } catch (InterruptedException e) { }
175 Scheduler.add(new Scheduler.Task() { public void perform() { callback.call(null); } });
180 public static final JSMath xwtMath = new JSMath() {
181 private JS gs = new JSScope.Global(null);
182 public String toString() { return "XWTMATH"; }
183 public Object get(Object key) {
185 case "isNaN": return gs.get("isNaN");
186 case "isFinite": return gs.get("isFinite");
187 case "NaN": return gs.get("NaN");
188 case "Infinity": return gs.get("Infinity");
190 return super.get(key);
194 public static final JS xwtString = new JS() {
195 private JS gs = new JSScope.Global(null);
196 public void put(Object key, Object val) { }
197 public Object get(Object key) {
199 case "parseInt": return gs.get("parseInt");
200 case "parseFloat": return gs.get("parseFloat");
201 case "decodeURI": return gs.get("decodeURI");
202 case "decodeURIComponent": return gs.get("decodeURIComponent");
203 case "encodeURI": return gs.get("encodeURI");
204 case "encodeURIComponent": return gs.get("encodeURIComponent");
205 case "escape": return gs.get("escape");
206 case "unescape": return gs.get("unescape");
207 case "fromCharCode": return gs.get("stringFromCharCode");
213 private class XMLHelper extends XML {
214 Vector obStack = new Vector();
215 public XMLHelper() { super(BUFFER_SIZE); }
216 public void startElement(XML.Element c) throws XML.SchemaException {
218 o.put("$name", c.localName);
219 for(int i=0; i<c.len; i++) o.put(c.keys[i], c.vals[i]);
220 o.put("$numchildren", new Integer(0));
221 obStack.addElement(o);
223 public void endElement(XML.Element c) throws XML.SchemaException {
224 if (obStack.size() == 1) return;
225 JS me = (JS)obStack.lastElement();
226 obStack.setSize(obStack.size() - 1);
227 JS parent = (JS)obStack.lastElement();
228 int numchildren = ((Integer)parent.get("$numchildren")).intValue();
229 parent.put("$numchildren", new Integer(numchildren + 1));
230 parent.put(new Integer(numchildren), me);
232 public void characters(char[] ch, int start, int length) throws XML.SchemaException {
233 String s = new String(ch, start, length);
234 JS parent = (JS)obStack.lastElement();
235 int numchildren = ((Integer)parent.get("$numchildren")).intValue();
236 Object lastChild = parent.get(new Integer(numchildren - 1));
237 if (lastChild instanceof String) {
238 parent.put(new Integer(numchildren - 1), lastChild + s);
240 parent.put("$numchildren", new Integer(numchildren + 1));
241 parent.put(new Integer(numchildren), s);
244 public void whitespace(char[] ch, int start, int length) {}
245 public JS doParse(InputStream is) throws JS.Exn {
247 BufferedReader r = new BufferedReader(new InputStreamReader(is));
249 } catch (XML.XMLException e) {
250 throw new JS.Exn("error parsing XML: " + e.toString());
251 } catch (IOException e) {
252 if (Log.on) Log.log(this, "IO Exception while reading from file");
253 if (Log.on) Log.log(this, e);
254 throw new JS.Exn("error reading from Resource");
256 return obStack.size() >= 1 ? (JS)obStack.elementAt(0) : null;