-// Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL]
+// FIXME
+// 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.Cloneable {
- public final Res rr;
- public XWT(Res rr) { this.rr = rr; }
+ private final JS rr;
+ public XWT(Stream rr) { this.rr = bless(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 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 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 "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 "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.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 "apply": return METHOD;
+ case "graft": return METHOD;
+ case "clone": return METHOD;
+ case "bless": 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 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);
+ 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.name": return getSub("ui.key.name");
+ case "ui.key.name.alt": return Platform.altKeyName();
+ case "ui.key.alt": return Surface.alt ? T : F;
+ 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 N(Short.MAX_VALUE);
+ case "ui.screen": return getSub("ui.screen");
+ case "ui.screen.width": return N(Platform.getScreenWidth());
+ case "ui.screen.height": return N(Platform.getScreenHeight());
+ case "undocumented": return getSub("undocumented");
+ case "undocumented.initialOrigin": return Main.origin;
+ case "thread": return getSub("thread");
+ case "thread.yield": return METHOD;
+ case "thread.sleep": return METHOD;
+ case "stream": return getSub("stream");
+ case "stream.homedir": return url2res("file:" + System.getProperty("user.home"));
+ case "stream.tempdir": 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 "undocumented.internal.proxyAuthorization":
+ case "thread": Scheduler.add((Scheduler.Task)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.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 "net.rpc.soap": return new SOAP((String)a, "", (String)b, (String)c);
//#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 "clone":
+ if (!(a instanceof JS.Cloneable)) throw new JSExn("cannot clone a " + a.getClass().getName());
+ return ((JS.Cloneable)a).jsclone();
+ case "bless": return bless((JS)a);
+ case "ui.browser": Platform.newBrowserWindow((String)a); return null;
+ 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": {
+ String url = (String)a;
+ 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);
+ throw new JSExn("invalid resource specifier " + url);
+ }
+ 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": throw new JSExn("not implemented yet"); //return null;
+ case "stream.parse.xml": new XMLHelper((JS)b).doParse((JS)a); return null;
+ case "stream.parse.utf8":
+ //return new String(InputStreamToByteArray.convert(((Stream)a).getInputStream()));
+ return null;
+ //#end
+ break;
+ case 2:
+ //#switch(name)
+ case "stream.watch": return new Stream.ProgressWatcher((Stream)a, (JS)b);
+ 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+"()");
+ }
+
+ 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
}
- // 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 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 {
+ private JS characters, whitespace, endElement, startElement;
+ public XMLHelper(JS b) throws JSExn {
+ super(BUFFER_SIZE);
+ // FIXME: trigger traps?
+ startElement = (JS)b.get("startElement");
+ endElement = (JS)b.get("endElement");
+ characters = (JS)b.get("characters");
+ whitespace = (JS)b.get("whitespace");
+ }
+ private class XMLJSWrapper extends XML.Exn {
+ public JSExn wrapee; public XMLJSWrapper(JSExn jse) { super(""); wrapee = jse; } }
+ public void startElement(XML.Element c) throws XML.Exn {
+ try {
+ JS attrs = new JS();
+ for(int i=0; i<c.getAttrLen(); i++) attrs.put(c.getAttrKey(i), c.getAttrVal(i)); // FIXME attribute URIs?
+ startElement.call(c.getLocalName(), attrs, c.getUri(), null, 3);
+ } catch (JSExn jse) {
+ throw new XMLJSWrapper(jse);
+ }
+ }
+ public void endElement(XML.Element c) throws XML.Exn {
+ try {
+ endElement.call(c.getLocalName(), c.getUri(), null, null, 2);
+ } catch (JSExn jse) {
+ throw new XMLJSWrapper(jse);
+ }
+ }
+ public void characters(char[] ch, int start, int length) throws XML.Exn {
+ try {
+ characters.call(new String(ch, start, length), null, null, null, 1);
+ } catch (JSExn jse) {
+ throw new XMLJSWrapper(jse);
+ }
+ }
+ public void whitespace(char[] ch, int start, int length) throws XML.Exn {
+ try {
+ whitespace.call(new String(ch, start, length), null, null, null, 1);
+ } catch (JSExn jse) {
+ throw new XMLJSWrapper(jse);
+ }
+ }
+ public void doParse(JS s) throws JSExn {
+ try {
+ parse(new BufferedReader(new InputStreamReader(Stream.getInputStream(s))));
+ } catch (XMLJSWrapper e) {
+ throw e.wrapee;
+ } 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");
+ }
+ }
+ }
+
+ public Blessing bless(JS b) { return new XWT.Blessing((JS.Cloneable)b, this, null, null); }
+ public static class Blessing extends JS.Clone {
+ private XWT xwt;
+ private Template t = null;
+ private Object parentkey = null;
+ private Blessing parent = null;
+ public Blessing(JS.Cloneable clonee, XWT xwt, Blessing parent, Object parentkey) {
+ super(clonee); this.xwt = xwt; this.parentkey = parentkey; this.parent = parent; }
+ public Object get(Object key) throws JSExn {
+ return key.equals("") ? ((Object)getStatic()) : (new Blessing((JS.Cloneable)clonee.get(key), xwt, this, key));
+ }
+ public InputStream getImage() throws JSExn {
+ InputStream in = null;
+ try {
+ in = Stream.getInputStream(this);
+ if (in != null) return in;
+ } catch (IOException e) { /* DELIBERATE */ in = null; }
+ String[] exts = new String[] { ".png", ".jpeg", ".gif" };
+ for (int i=0; i < exts.length && in == null; i++) {
+ try {
+ in = Stream.getInputStream(parent.get(parentkey + exts[i]));
+ if (in != null) return in;
+ } catch (IOException f) { in = null; }
+ }
+ return null;
+ }
+ public JSScope getStatic() throws JSExn {
+ try {
+ // FIXME background?
+ if (t == null) t = new Template(Stream.getInputStream(parent.get(parentkey + ".xwt")), xwt);
+ return t.getStatic();
+ } catch (Exception e) {
+ Log.error(this, e);
+ return null;
+ }
+ }
+ public Object call(Object a, Object b, Object c, Object[] rest, int nargs) throws JSExn {
+ if (nargs != 1) throw new JSExn("FIXME can only call with one arg");
+ getStatic();
+ t.apply((Box)a);
+ return a;
+ }
+ }
+
}