-// Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL]
+// Copyright 2004 Adam Megacz, see the COPYING file for licensing [GPL]
package org.xwt;
import java.io.*;
import org.bouncycastle.util.encoders.Base64;
/** Singleton class that provides all functionality in the xwt.* namespace */
-public final class XWT extends JS.Obj {
+public final class XWT extends JS {
- public final Res rr;
- public XWT(Res rr) { this.rr = rr; }
+ public final Stream rr;
+ public XWT(Stream rr) { this.rr = rr; }
- public Object get(Object name) {
+ private Cache subCache = new Cache(20);
+ private Sub getSub(String s) {
+ Sub ret = (Sub)subCache.get(s);
+ if (ret == null) subCache.put(s, ret = new Sub(s));
+ return ret;
+ }
+
+ /** lets us put multi-level get/put/call keys all in the same method */
+ private class Sub extends JS {
+ String key;
+ Sub(String key) { this.key = key; }
+ public String toString() { return "XWTSUB " + key; }
+ public void put(Object key, Object val) throws JSExn { XWT.this.put(this.key + "." + key, val); }
+ public Object get(Object key) throws JSExn { return XWT.this.get(this.key + "." + key); }
+ public boolean coerceToBoolean() {
+ if (key.equals("ui.key.alt")) return Surface.alt ? true : false;
+ return super.coerceToBoolean();
+ }
+ public Object call(Object a0, Object a1, Object a2, Object[] rest, int nargs) throws JSExn {
+ return XWT.this.callMethod(this.key, a0, a1, a2, rest, nargs);
+ }
+ public Object callMethod(Object method, Object a0, Object a1, Object a2, Object[] rest, int nargs) throws JSExn {
+ return XWT.this.callMethod(this.key + "." + method, a0, a1, a2, rest, nargs);
+ }
+ }
+
+ public Object get(Object name) throws JSExn {
+ if (name instanceof String && ((String)name).length() == 0) return rr;
//#switch(name)
case "math": return xwtMath;
case "string": return xwtString;
- case "date": return new org.xwt.js.Date();
- case "origin": return Main.origin;
+ case "date": return METHOD;
+ case "origin": return Main.origin; // FIXME not in ref
case "box": return new Box();
- case "ui.key.alt": return Surface.alt ? Boolean.TRUE : Boolean.FALSE;
- case "ui.key.control": return Surface.control ? Boolean.TRUE : Boolean.FALSE;
- case "ui.key.shift": return Surface.shift ? Boolean.TRUE : Boolean.FALSE;
+ case "apply": return METHOD;
+ case "graft": return METHOD;
+ case "clone": return METHOD;
+ case "regexp": return METHOD;
+ case "ui.font": return getSub("ui.font");
+ case "ui.font.sansserif": return Main.builtin.get("fonts/vera/Vera.ttf");
+ case "ui.font.monospace": return Main.builtin.get("fonts/vera/VeraMono.ttf");
+ case "ui.font.serif": return Main.builtin.get("fonts/vera/VeraSe.ttf");
+ case "ui": return getSub("ui");
+ case "ui.browser": return METHOD;
+ case "ui.mouse": return getSub("ui.mouse");
+ case "ui.mouse.button":
+ if (Surface.button1 && !Surface.button2 && !Surface.button3) return N(1);
+ else if (!Surface.button1 && Surface.button2 && !Surface.button3) return N(2);
+ else if (!Surface.button1 && !Surface.button2 && Surface.button3) return N(3);
+ else return ZERO;
+ case "ui.key": return getSub("ui.key");
+ case "ui.key.alt": return getSub("ui.key.alt");
+ case "ui.key.alt.name": return Platform.altKeyName();
+ case "ui.key.control": return Surface.control ? T : F;
+ case "ui.key.shift": return Surface.shift ? T : F;
case "ui.clipboard": return Platform.getClipBoard();
case "ui.maxdim": return new Integer(Short.MAX_VALUE);
- case "ui.key.alt.name": return Platform.altKeyName();
+ case "ui.screen": return getSub("ui.screen");
case "ui.screen.width": return new Integer(Platform.getScreenWidth());
case "ui.screen.height": return new Integer(Platform.getScreenHeight());
- case "fs.home": return System.getProperty("user.home");
- case "fs.temp": return System.getProperty("java.io.tempdir");
- case "ui.mouse.button":
- if (Surface.button1 && !Surface.button2 && !Surface.button3) return new Integer(1);
- else if (!Surface.button1 && Surface.button2 && !Surface.button3) return new Integer(2);
- else if (!Surface.button1 && !Surface.button2 && Surface.button3) return new Integer(3);
- else return new Integer(0);
+ case "undocumented": return getSub("undocumented");
+ case "undocumented.internal": return getSub("undocumented.internal");
+ case "thread": return getSub("thread");
+ case "thread.yield": return METHOD;
+ case "thread.sleep": return METHOD;
+ case "stream": return getSub("stream");
+ case "stream.home": return url2res("file:" + System.getProperty("user.home"));
+ case "stream.temp": return url2res("file:" + System.getProperty("java.io.tempdir"));
+ case "stream.watch": return METHOD;
+ case "stream.unzip": return METHOD;
+ case "stream.uncab": return METHOD;
+ case "stream.cache": return METHOD;
+ case "stream.url": return METHOD;
+ case "stream.parse.html": return METHOD;
+ case "stream.parse.xml": return METHOD;
+ case "stream.parse.utf8": return METHOD;
+ case "net": return getSub("net");
+ case "net.rpc": return getSub("net.rpc");
+ case "net.rpc.xml": return METHOD;
+ case "net.rpc.soap": return METHOD;
+ case "log": return getSub("log");
+ case "log.debug": return METHOD;
+ case "log.info": return METHOD;
+ case "log.warn": return METHOD;
+ case "log.error": return METHOD;
+ case "crypto": return getSub("crypto");
+ case "crypto.rsa": return METHOD;
+ case "crypto.md5": return METHOD;
+ case "crypto.sha1": return METHOD;
+ case "crypto.rc4": return METHOD;
//#end
- return rr.get(name);
+ return super.get(name);
}
- public Object put(Object name, final Object value) {
+ public void put(Object name, final Object value) throws JSExn {
//#switch(name)
- case "thread":
- Scheduler.add(new Scheduler.Task() { public void perform() { new JS.Context((Function)value, null).resume(); } });
- return null;
- case "ui.clipboard": Platform.setClipBoard((String)value); return null;
- case "ui.frame": Platform.createSurface((Box)value, true, true); return null;
- case "ui.window": Platform.createSurface((Box)value, false, true); return null;
+ case "thread": Scheduler.add((JSFunction)value); return;
+ case "ui.clipboard": Platform.setClipBoard((String)value); return;
+ case "ui.frame":
+ Box b = (Box)value;
+ Surface s = Platform.createSurface(b,true, true);
+ if(b.get("titlebar") != null) s.setTitleBarText(JS.toString(b.get("titlebar")));
+ return;
+ case "ui.window": Platform.createSurface((Box)value, false, true); return;
case "undocumented.internal.proxyAuthorization":
HTTP.Proxy.Authorization.authorization = value.toString();
- HTTP.Proxy.Authorization.waitingForUser.release();
- return null;
+ HTTP.Proxy.Authorization.waitingForUser.release(); return;
//#end
- return super.put(name, value);
+
+ throw new JSExn("attempted to put unknown property: xwt."+name);
}
- public Object callMethod(Object name, boolean checkOnly, JS.Array args) throws JS.Exn {
- Object a = args.elementAt(0);
- Object b = args.elementAt(1);
- Object c = args.elementAt(2);
- if (name.equals("date")) return new org.xwt.js.Date(args);
- else if (args.length() == 0 && name.equals("thread.yield")) return checkOnly ? T : sleep(0);
- else if (args.length() == 2) {
+ public Object callMethod(Object name, Object a, Object b, Object c, Object[] rest, int nargs) throws JSExn {
+ try {
//#switch(name)
- case "res.watch": return checkOnly ? T : new Res.ProgressWatcher((Res)a, (Function)b);
- case "soap": return checkOnly ? T : new SOAP((String)args.elementAt(0), "", (String)args.elementAt(1), null);
- case "apply": if (checkOnly) return T;
- Template.getTemplate((Res)args.elementAt(1)).apply((Box)args.elementAt(0), null, XWT.this);
- return args.elementAt(0);
+ case "date": return new JSDate(a, b, c, rest, nargs);
+ case "rpc.soap": return new SOAP((String)a, "", (String)b, (String)c);
+ case "graft":
+ if (a instanceof Box) throw new JSExn("can't graft onto Boxes");
+ if (a instanceof String) throw new JSExn("can't graft onto Strings");
+ if (a instanceof Number) throw new JSExn("can't graft onto Numbers");
+ if (a instanceof Stream) return new Stream.Graft((Stream)a, b, c);
+ // FEATURE: grafting onto JS
+ throw new JSExn("cannot graft onto "+a.getClass());
//#end
- } else if (args.length() == 3 && name.equals("soap")) {
- if (name.equals("soap")) {
- if (checkOnly) return T;
- return new SOAP((String)args.elementAt(0), "", (String)args.elementAt(1), (String)args.elementAt(2));
- } else if (name.equals("graft")) {
- if (checkOnly) return T;
- if (a instanceof Box) throw new JS.Exn("can't graft onto Boxes (yet)");
- if (a instanceof Number) throw new JS.Exn("can't graft onto Numbers (yet)");
- if (a instanceof String) throw new JS.Exn("can't graft onto Strings (yet)");
- // FIXME if (a instanceof Res) return new Res.Graft((Res)a, b, c);
- return new JS.Graft((JS)a, b, c);
+
+ switch (nargs) {
+ case 0:
+ //#switch(name)
+ case "thread.yield": sleep(0); return null;
+ //#end
+ break;
+ case 1:
+ //#switch(name)
+ case "ui.browser": Platform.newBrowserWindow((String)a); return null;
+ case "clone": return new XWT((Stream)a);
+ case "stream.unzip": return new Stream.Zip((Stream)a);
+ case "stream.uncab": return new Stream.Cab((Stream)a);
+ case "stream.cache": try { return new Stream.CachedStream((Stream)a, "resources", true); }
+ catch (Stream.NotCacheableException e) { throw new JSExn("this resource cannot be cached"); }
+ case "stream.url": return url2res((String)a);
+ case "thread.sleep": sleep(JS.toInt(a)); return null;
+ case "log.debug": JS.log(this, a== null ? "**null**" : a.toString()); return null;
+ case "log.info": JS.log(this, a== null ? "**null**" : a.toString()); return null;
+ case "log.warn": JS.log(this, a== null ? "**null**" : a.toString()); return null;
+ case "log.error": JS.log(this, a== null ? "**null**" : a.toString()); return null;
+ case "regexp": return new JSRegexp(a, null);
+ case "rpc.xml": return new XMLRPC((String)a, "");
+ case "crypto.rsa": /* FEATURE */ return null;
+ case "crypto.md5": /* FEATURE */ return null;
+ case "crypto.sha1": /* FEATURE */ return null;
+ case "crypto.rc4": /* FEATURE */ return null;
+ case "stream.parse.html": /* FIXME */ return null;
+ case "stream.parse.xml": /* FIXME -- SAX NOT DOM!! */ return null;
+ case "stream.parse.utf8": /* FIXME */ return null;
+ //#end
+ break;
+ case 2:
+ //#switch(name)
+ case "stream.watch": return new Stream.ProgressWatcher((Stream)a, (JSFunction)b);
+ case "apply":
+ if (b instanceof Stream) Template.getTemplate((Stream)b).apply((Box)a, XWT.this);
+ else {
+ JS to = (JS)a, from = (JS)b; Object k;
+ for (Enumeration e = from.keys(); e.hasMoreElements();) {
+ k = e.nextElement(); to.put(k, from.get(k));
+ }
+ }
+ return a;
+ case "regexp": return new JSRegexp(a, b);
+ //#end
+ break;
}
- } else if (args.length() == 1) {
- //#switch(name)
- case "ui.browser": if (checkOnly) return T; Platform.newBrowserWindow((String)a); return null;
- case "clone": return checkOnly ? T : new XWT((Res)a);
- case "res.unzip": return checkOnly ? T : new Res.Zip((Res)a);
- case "res.uncab": return checkOnly ? T : new Res.Cab((Res)a);
- case "res.cache": return checkOnly ? T : new Res.CachedRes((Res)a, "resources", true);
- case "res.fromURL": return checkOnly ? T : Res.stringToRes((String)a);
- case "thread.sleep": return checkOnly ? T : sleep(JS.toInt(a));
- case "log.println": if (checkOnly) return T; Log.logJS(this, a== null ? "**null**" : a.toString()); return null;
- case "log.dump": if (checkOnly) return T; JS.recurse("", "", a); return null;
- case "regexp": return checkOnly ? T : new Regexp(a, null);
- case "rpc.xml": return checkOnly ? T : new XMLRPC((String)a, "");
- case "rpc.soap": return checkOnly ? T : new SOAP((String)a, "", null, null);
- case "crypto.rsa": /* FIXME */ break;
- case "crypto.md5": /* FIXME */ break;
- case "crypto.sha1": /* FIXME */ break;
- case "crypto.rc4": /* FIXME */ break;
- case "stream.parse.html": /* FIXME */ break;
- case "stream.parse.xml": /* FIXME */ break;
- case "stream.parse.utf8": /* FIXME */ break;
- //#end
+ } catch (RuntimeException e) {
+ // FIXME: maybe JSExn should take a second argument, Exception
+ Log.info(this, "xwt."+name+"() threw: " + e);
+ throw new JSExn("invalid argument for xwt object method "+name+"()");
}
- return super.callMethod(name, args, checkOnly);
+
+ throw new JSExn("invalid number of arguments for xwt object method "+name+"()");
}
- // FIXME
- public static Object sleep(final int i) {
- final JS.Context jsthread = JS.Context.current();
- final long currentTime = System.currentTimeMillis();
- new Thread() { public void run() {
- try { Thread.sleep(i); } catch (InterruptedException e) { }
- Scheduler.add(new Scheduler.Task() { public void perform() {
- jsthread.resume();
- } }); } }.start();
- return JS.Context.pause;
+ public Stream url2res(String url) throws JSExn {
+ if (url.startsWith("http://")) return new Stream.HTTP(url);
+ else if (url.startsWith("https://")) return new Stream.HTTP(url);
+ else if (url.startsWith("data:")) return new Stream.ByteArray(Base64.decode(url.substring(5)), null);
+ else if (url.startsWith("utf8:")) return new Stream.ByteArray(url.substring(5).getBytes(), null);
+ else throw new JSExn("invalid resource specifier " + url);
+ // FIXME support file:// via dialog boxes
+ }
+
+ public static void sleep(final int i) throws JSExn {
+ try {
+ final JS.UnpauseCallback callback = JS.pause();
+ final long currentTime = System.currentTimeMillis();
+ new Thread() { public void run() {
+ try { Thread.sleep(i); } catch (InterruptedException e) { }
+ Scheduler.add(callback);
+ } }.start();
+ } catch (JS.NotPauseableException npe) {
+ throw new JSExn("you cannot sleep or yield in the foreground thread");
+ }
}
- public static final org.xwt.js.Math xwtMath = new org.xwt.js.Math() {
- private JS gs = new JS.GlobalScope();
- public Object get(Object key) {
+ public static final JSMath xwtMath = new JSMath() {
+ private JS gs = new JSScope.Global();
+ public String toString() { return "XWTMATH"; }
+ public Object get(Object key) throws JSExn {
//#switch(key)
case "isNaN": return gs.get("isNaN");
case "isFinite": return gs.get("isFinite");
}
};
- public static final JS.Obj xwtString = new JS.Obj(true) {
- private JS gs = new JS.GlobalScope();
- public Object get(Object key) {
+ public static final JS xwtString = new JS() {
+ private JS gs = new JSScope.Global();
+ public void put(Object key, Object val) { }
+ public Object get(Object key) throws JSExn {
//#switch(key)
case "parseInt": return gs.get("parseInt");
case "parseFloat": return gs.get("parseFloat");
case "unescape": return gs.get("unescape");
case "fromCharCode": return gs.get("stringFromCharCode");
//#end
- return super.get(key);
+ return null;
}
};
+
+ private class XMLHelper extends XML {
+ Vector obStack = new Vector();
+ public XMLHelper() { super(BUFFER_SIZE); }
+ public void startElement(XML.Element c) throws XML.Exn {
+ try {
+ JS o = new JS();
+ o.put("$name", c.getLocalName());
+ for(int i=0; i < c.getAttrLen(); i++) o.put(c.getAttrKey(i), c.getAttrVal(i));
+ o.put("$numchildren", new Integer(0));
+ obStack.addElement(o);
+ } catch (JSExn jse) {
+ throw new Error("this should never happen");
+ }
+ }
+ public void endElement(XML.Element c) throws XML.Exn {
+ try {
+ if (obStack.size() == 1) return;
+ JS me = (JS)obStack.lastElement();
+ obStack.setSize(obStack.size() - 1);
+ JS parent = (JS)obStack.lastElement();
+ int numchildren = ((Integer)parent.get("$numchildren")).intValue();
+ parent.put("$numchildren", new Integer(numchildren + 1));
+ parent.put(new Integer(numchildren), me);
+ } catch (JSExn jse) {
+ throw new Error("this should never happen");
+ }
+ }
+ public void characters(char[] ch, int start, int length) throws XML.Exn {
+ try {
+ String s = new String(ch, start, length);
+ JS parent = (JS)obStack.lastElement();
+ int numchildren = ((Integer)parent.get("$numchildren")).intValue();
+ Object lastChild = parent.get(new Integer(numchildren - 1));
+ if (lastChild instanceof String) {
+ parent.put(new Integer(numchildren - 1), lastChild + s);
+ } else {
+ parent.put("$numchildren", new Integer(numchildren + 1));
+ parent.put(new Integer(numchildren), s);
+ }
+ } catch (JSExn jse) {
+ throw new Error("this should never happen");
+ }
+ }
+ public void whitespace(char[] ch, int start, int length) {}
+ public JS doParse(InputStream is) throws JSExn {
+ try {
+ BufferedReader r = new BufferedReader(new InputStreamReader(is));
+ parse(r);
+ } catch (XML.Exn e) {
+ throw new JSExn("error parsing XML: " + e.toString());
+ } catch (IOException e) {
+ if (Log.on) Log.info(this, "IO Exception while reading from file");
+ if (Log.on) Log.info(this, e);
+ throw new JSExn("error reading from Resource");
+ }
+ return obStack.size() >= 1 ? (JS)obStack.elementAt(0) : null;
+ }
+ }
}
projects / org.ibex.core.git / blobdiff