/src/scim-python.cpp
http://scim-python.googlecode.com/ · C++ · 447 lines · 321 code · 99 blank · 27 comment · 56 complexity · c3bd9a8cc1ab821cbb1a7ca0c4bc61e9 MD5 · raw file
- /* vim:set noet ts=4: */
- /**
- * scim-python
- *
- * Copyright (c) 2007-2008 Huang Peng <shawn.p.huang@gmail.com>
- *
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307 USA
- *
- * $Id: $
- */
- #include "../config.h"
- #include "scim-python.h"
- #include <assert.h>
- using namespace scim;
- using namespace std;
- static vector <IMEngineFactoryPointer> _factorys;
- static vector <HelperInfo> _helpers;
- static int _use_count = 0;
- static PyObject *
- scim_get_version (PyObject *self, PyObject *args)
- {
- return PyString_FromString (PACKAGE_VERSION);
- }
- static PyMethodDef _methods[] = {
- {"get_version", scim_get_version, METH_NOARGS, "get version string of scim-python" },
- {0, }
- };
- PyMODINIT_FUNC
- init_scim (void)
- {
- PyObject* m;
- m = Py_InitModule3("_scim", _methods,
- "SCIM.");
- if (m == NULL) {
- PyErr_Print ();
- return;
- }
- init_event (m);
- init_property (m);
- init_config (m);
- init_engine (m);
- init_factory (m);
- init_helper (m);
- init_attribute (m);
- init_lookup_table (m);
- }
- static PyObject *
- Py_CallFunction (const char *module, const char *function, PyObject *args)
- {
- PyObject *pName = NULL;
- PyObject *pModule = NULL;
- PyObject *pFunc = NULL;
- PyObject *pValue = NULL;
- pName = PyString_FromString (module);
- if (pName == NULL)
- goto _failed_out;
- pModule = PyImport_Import (pName);
- if (pModule == NULL)
- goto _failed_out;
- pFunc = PyObject_GetAttrString (pModule, function);
- if (pFunc == NULL)
- goto _failed_out;
- pValue = PyObject_CallObject (pFunc, args);
- if (pValue == NULL)
- goto _failed_out;
- goto _success_out;;
- _failed_out:
- PyErr_Print ();
- _success_out:
- Py_XDECREF (pName);
- Py_XDECREF (pFunc);
- Py_XDECREF (pModule);
- return pValue;
- }
- static PyObject *
- Py_CallModuleFunction (PyObject *module, const char *function, PyObject *args)
- {
- PyObject *pFunc = NULL;
- PyObject *pValue = NULL;
- pFunc = PyObject_GetAttrString (module, function);
- if (pFunc == NULL)
- goto _failed_out;
- pValue = PyObject_CallObject (pFunc, args);
- if (pValue == NULL)
- goto _failed_out;
- goto _success_out;;
- _failed_out:
- PyErr_Print ();
- _success_out:
- Py_XDECREF (pFunc);
- return pValue;
- }
- extern "C" void
- scim_module_init (void)
- {
- char * argv[] = {
- (char *)"scim-python",
- NULL
- };
- bindtextdomain (GETTEXT_PACKAGE, SCIM_PYTHON_LOCALEDIR);
- bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
- if (_use_count > 0) {
- goto out;
- }
- if (Py_IsInitialized ()) {
- goto out;
- }
- static int add_path = 0;
- if (add_path == 0) {
- char *pythonpath = NULL;
- char *old_pythonpath = getenv ("PYTHONPATH");
- if (old_pythonpath != NULL) {
- asprintf (&pythonpath,
- "PYTHONPATH=" SCIM_PYTHON_DATADIR ":%s", old_pythonpath);
- }
- else {
- asprintf (&pythonpath,
- "PYTHONPATH=" SCIM_PYTHON_DATADIR);
- }
- putenv (pythonpath);
- add_path = 1;
- }
- Py_Initialize ();
- PySys_SetArgv (1, argv);
- out:
- _use_count ++;
- }
- extern "C" void
- scim_module_exit (void)
- {
- if (_use_count == 0)
- return;
- _use_count --;
- if (_use_count == 0) {
- _factorys.clear ();
- Py_Finalize ();
- }
- }
- #ifndef DISABLE_IMENGINE
- extern "C" unsigned int
- scim_imengine_module_init (const ConfigPointer &config)
- {
- PyObject *pValue = NULL;
- PyObject *pArgs = NULL;
- PyObject *pyconfig = NULL;
- int size = 0;
- pyconfig = PyConfig_New (config);
- Py_DECREF (pyconfig);
- pyconfig = PyConfig_New (config);
- pArgs = Py_BuildValue ("(O)", pyconfig);
- pValue = Py_CallFunction ("engine", "query_engines", pArgs);
- Py_DECREF (pArgs);
- Py_DECREF (pyconfig);
- if (PyList_Check (pValue)) {
- PyObject * pTuple = PyList_AsTuple (pValue);
- Py_DECREF (pValue);
- pValue = pTuple;
- }
- if (!PyTuple_Check (pValue))
- return 0;
- size = PyTuple_Size (pValue);
- for (int i = 0; i < size; i++) {
- IMEngineFactoryPointer p = PyIMEngineFactory::from_pyobject (PyTuple_GetItem (pValue, i));
- _factorys.push_back (p);
- }
- Py_DECREF (pValue);
- return size;
- }
- extern "C" IMEngineFactoryPointer
- scim_imengine_module_create_factory (uint32 engine)
- {
- if ( engine < 0 || engine >= _factorys.size ())
- return IMEngineFactoryPointer (0);
- return _factorys[engine];
- }
- #endif //DISABLE_IMENGINE
- #ifndef DISABLE_SETUPUI
- #include <gtk/gtk.h>
- #include <pygobject.h>
- extern "C" GtkWidget *
- scim_setup_module_create_ui (void)
- {
- static GtkWidget *window = NULL;
- PyObject *pValue = NULL;
- if (window != NULL)
- return window;
- pValue = Py_CallFunction ("setupui", "create_ui", NULL);
- if (pValue != Py_None) {
- window = GTK_WIDGET (pygobject_get (pValue));
- gtk_object_ref (GTK_OBJECT (window));
- }
- Py_DECREF (pValue);
- return window;
- }
- extern "C" String
- scim_setup_module_get_category (void)
- {
- return String ("IMEngine");
- }
- extern "C" String
- scim_setup_module_get_name (void)
- {
- return String (_("Python"));
- }
- extern "C" String
- scim_setup_module_get_description (void)
- {
- return String (_("Setup UI for Python IM engines."));
- }
- extern "C" void
- scim_setup_module_load_config (const ConfigPointer &config)
- {
- PyObject *pValue = NULL;
- PyObject *pArgs = NULL;
- pArgs = Py_BuildValue ("(O)", PyConfig_New (config));
- pValue = Py_CallFunction ("setupui", "load_config", pArgs);
- if ( pValue == NULL) {
- PyErr_Clear ();
- }
- Py_XDECREF (pArgs);
- Py_XDECREF (pValue);
- }
- extern "C" void
- scim_setup_module_save_config (const ConfigPointer &config)
- {
- PyObject *pValue = NULL;
- PyObject *pArgs = NULL;
- pArgs = Py_BuildValue ("(O)", PyConfig_New (config));
- pValue = Py_CallFunction ("setupui", "save_config", pArgs);
- Py_XDECREF (pArgs);
- Py_XDECREF (pValue);
- }
- extern "C" bool
- scim_setup_module_query_changed ()
- {
- PyObject *pValue = NULL;
- bool retval = false;
- pValue = Py_CallFunction ("setupui", "query_changed", NULL);
- if (pValue == Py_True) {
- retval = true;
- }
- Py_XDECREF (pValue);
- return retval;
- }
- #if 0
- /*
- * Overide new and delete operator.
- **/
- static int __count = 0;
- void* operator new (size_t size)
- {
- fprintf (stderr, "new count = %d\n", __count++);
- if (size < 256) {
- size = 256;
- }
- void *p = PyObject_Malloc (size);
- assert (p != NULL);
- return p;
- }
- void operator delete (void *p)
- {
- fprintf (stderr, "delete count = %d\n", __count--);
- assert (p != NULL);
- PyObject_Free (p);
- }
- #endif
- #endif //DISABLE_SETUPUI
- #ifndef DISABLE_HELPER
- static PyObject *g_helper_mod = NULL;
- extern "C" unsigned int
- scim_helper_module_number_of_helpers (void)
- {
- PyObject *retval = NULL;
- int size = 0;
- if (g_helper_mod == NULL) {
- PyObject *name = PyString_FromString ("helper");
- g_helper_mod = PyImport_Import (name);
- Py_DECREF (name);
- }
- retval = Py_CallModuleFunction (g_helper_mod, "number_of_helpers", NULL);
- if (retval != NULL) {
- size = PyInt_AsLong (retval);
- Py_DECREF (retval);
- }
- return size;
- }
- extern "C" bool
- scim_helper_module_get_helper_info (unsigned int index, HelperInfo &info)
- {
- bool result = FALSE;
- PyObject *retval = NULL;
- PyObject *args = NULL;
- PyObject *helper_info = NULL;
- args = Py_BuildValue ("(I)", index);
- retval = Py_CallModuleFunction (g_helper_mod, "get_helper_info", args);
- Py_DECREF (args);
- if (retval == Py_None || retval == NULL) {
- result = FALSE;
- goto _out;
- }
- if (PyList_Check (retval)) {
- helper_info = PyList_AsTuple (retval);
- }
- else if (PyTuple_Check (args)) {
- helper_info = retval;
- Py_INCREF (retval);
- }
- if (helper_info != NULL && PyTuple_GET_SIZE (helper_info) == 5) {
- const char *uuid = PyString_AsString (PyTuple_GetItem (helper_info, 0));
- const char *name = PyString_AsString (PyTuple_GetItem (helper_info, 1));
- const char *icon = PyString_AsString (PyTuple_GetItem (helper_info, 2));
- const char *desc = PyString_AsString (PyTuple_GetItem (helper_info, 3));
- int opt = PyInt_AsLong (PyTuple_GetItem (helper_info, 4));
- info = HelperInfo (uuid, name, icon, desc, opt);
- result = TRUE;
- }
- _out:
- Py_XDECREF (args);
- Py_XDECREF (retval);
- Py_XDECREF (helper_info);
- return result;
- }
- extern "C" void
- scim_helper_module_run_helper (const String &uuid, const ConfigPointer &config,
- const String &display)
- {
- PyObject *retval = NULL;
- PyObject *args = NULL;
- args = Py_BuildValue ("(sOs)", uuid.c_str (), PyConfig_New (config), display.c_str ());
- retval = Py_CallModuleFunction (g_helper_mod, "run_helper", args);
- Py_XDECREF (args);
- Py_XDECREF (retval);
- }
- #endif //DISABLE_HELPER