public int luaCB_length(Lua l, LuaPlugin plugin) {
try {
l.pushNumber((double) object.length());
} catch (IOException e) {
l.pushNil();
l.pushString("IOException: " + e.getMessage());
return 2;
}
return 1;
}
public int luaCB_read(Lua l, LuaPlugin plugin) {
l.pushNil();
l.pushNil();
try {
long offset = (long) l.checkNumber(2);
int length = (int) l.checkNumber(3);
if (length <= 0) {
l.pushNil();
l.pushString("Length is not positive");
return 2;
}
byte[] tmp = new byte[length];
object.seek(offset);
length = object.read(tmp);
if (length < 0) {
l.pushNil();
l.pushNil();
return 2;
}
StringBuffer buf = new StringBuffer(length);
for (byte x : tmp) buf.appendCodePoint((int) x & 0xFF);
l.push(buf.toString());
} catch (IOException e) {
l.pushNil();
l.pushString("IOException: " + e.getMessage());
return 2;
}
return 1;
}
public int luaCB_close(Lua l, LuaPlugin plugin) {
try {
plugin.destroyLuaObject(l);
l.pushBoolean(true);
} catch (IOException e) {
l.pushBoolean(false);
l.pushString("IOException: " + e.getMessage());
return 2;
}
return 1;
}
public int luaCB_set_length(Lua l, LuaPlugin plugin) {
l.pushNil();
try {
object.setLength((long) l.checkNumber(2));
} catch (IOException e) {
l.pushNil();
l.pushString("IOException: " + e.getMessage());
return 2;
}
return 1;
}
public int luaCB_four_to_five(Lua l, LuaPlugin plugin) {
try {
plugin.generateLuaClass(l, new BinaryOutFile(plugin, new FourToFiveEncoder(object)));
} catch (IOException e) {
l.pushNil();
l.pushString("IOException: " + e.getMessage());
return 2;
} catch (IllegalArgumentException e) {
l.pushNil();
l.pushString("Illegal argument: " + e.getMessage());
return 2;
}
return 1;
}
public int luaCB_deflate(Lua l, LuaPlugin plugin) {
try {
plugin.generateLuaClass(l, new BinaryOutFile(plugin, new DeflaterOutputStream(object)));
} catch (IOException e) {
l.pushNil();
l.pushString("IOException: " + e.getMessage());
return 2;
} catch (IllegalArgumentException e) {
l.pushNil();
l.pushString("Illegal argument: " + e.getMessage());
return 2;
}
return 1;
}
public int luaCB_text(Lua l, LuaPlugin plugin) {
try {
plugin.generateLuaClass(l, new TextOutFile(plugin, object));
} catch (IOException e) {
l.pushNil();
l.pushString("IOException: " + e.getMessage());
return 2;
} catch (IllegalArgumentException e) {
l.pushNil();
l.pushString("Illegal argument: " + e.getMessage());
return 2;
}
return 1;
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
state = savedInstanceState;
Intent intent = getIntent();
modName = intent.getStringExtra("LUA_MODULE");
argRef = intent.getIntExtra("LUA_MODULE_ARG", 0);
Lua.bind(this, this);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
Object res = service.invokeMethod(modTable, "onOptionsItemSelected", item);
if (res == null) {
return super.onOptionsItemSelected(item);
} else {
return true;
}
}
public void testModel() {
Model model = null;
File file = new File("models/simple.lua");
try {
model = Lua.newModel(file);
} catch (ModelException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (RuntimeException e) {
e.printStackTrace();
throw e;
}
System.out.println("name: " + model.getName());
System.out.println("number of parameters: " + model.getNPar());
System.out.println("number of variables: " + model.getNVar());
System.out.println("description: " + model.getDescription());
}
public void testLuaModel() {
LuaModel model = null;
File file = new File("models/simple.lua");
try {
model = (LuaModel) Lua.newModel(file);
} catch (ModelException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (RuntimeException e) {
e.printStackTrace();
throw e;
}
assertFalse(model.getHas_inverse() != 0);
double[] result = new double[2];
model.f(new double[] {1}, new double[] {0.5, 0.5}, result);
assertTrue(0.25 == result[0]);
assertTrue(0.25 == result[1]);
}
public static int luaCB_open(Lua l, LuaPlugin plugin) {
l.pushNil();
String name = l.checkString(1);
try {
plugin.generateLuaClass(l, new BinaryOutFile(plugin, new FileOutputStream(name)));
} catch (IOException e) {
l.pushNil();
l.pushString("IOException: " + e.getMessage());
return 2;
} catch (IllegalArgumentException e) {
l.pushNil();
l.pushString("Illegal argument: " + e.getMessage());
return 2;
}
return 1;
}
public void onServiceConnected(ComponentName name, IBinder iservice) {
Log.d("lua", "setting activity");
service = ((Lua.LocalBinder) iservice).getService();
modTable = service.require(modName);
if (modTable == null) {
finish();
return;
}
service.setGlobal("current_activity", this);
Object res;
Object arg = null;
if (argRef != 0) {
arg = LuaObject.fromReference(Lua.L, argRef);
}
try {
if (modTable.isFunction()) {
LuaObject android = service.require("android");
LuaObject aNew = android.getField("new");
res = aNew.call(new Object[] {modTable});
modTable = (LuaObject) res;
}
res = service.invokeMethod(modTable, "onCreate", this, arg, state);
} catch (LuaException e) {
log("onCreate " + e.getMessage());
res = null;
}
if (res == null) {
finish();
return;
}
if (res instanceof View) {
setContentView((View) res);
} else if (!(res instanceof Boolean)) {
log("onCreate must return a View");
finish();
return;
}
service.invokeMethod(modTable, "onStart");
if (state != null) {
super.onRestoreInstanceState(state);
}
service.invokeMethod(modTable, "onResume");
}
public int luaCB_write(Lua l, LuaPlugin plugin) {
l.pushNil();
l.pushNil();
try {
long offset = (long) l.checkNumber(2);
String towrite = l.checkString(3);
if (towrite == "") {
l.pushBoolean(true);
return 1;
}
byte[] tmp = new byte[towrite.length()];
object.seek(offset);
for (int i = 0; i < towrite.length(); i++) tmp[i] = (byte) towrite.charAt(i);
object.write(tmp);
l.pushBoolean(true);
} catch (IOException e) {
l.pushBoolean(false);
l.pushString("IOException: " + e.getMessage());
return 2;
}
return 1;
}
@Override
public void onDestroy() {
super.onDestroy();
service.invokeMethod(modTable, "onDestroy");
Lua.unbind(this, this);
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu, v, menuInfo);
service.invokeMethod(modTable, "onCreateContextMenu", menu, v, menuInfo);
}
public void log(String msg) {
Lua.log(msg);
}
@Override
protected void onActivityResult(int request, int result, Intent data) {
service.invokeMethod(modTable, "onActivityResult", request, result, data);
}
@Override
public void onPause() {
super.onPause();
service.invokeMethod(modTable, "onPause");
}
@Override
public void onStart() {
super.onStart();
if (service != null) service.invokeMethod(modTable, "onStart");
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
if (service != null) service.invokeMethod(modTable, "onSaveInstanceState", outState);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
Object res = service.invokeMethod(modTable, "onCreateOptionsMenu", menu);
return res != null ? (Boolean) res : false;
}
@Override
public void onStop() {
super.onStop();
service.invokeMethod(modTable, "onStop");
}
