root/trunk/midgard/apis/python/py_midgard_object_parameter.c

/* 
 * Copyright (C) 2007, 2008 Piotr Pokora <piotrek.pokora@gmail.com>
 *
 * This program 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 program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU 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
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#define NO_IMPORT_PYGOBJECT
#include "py_midgard.h"

#define PARAM_DEBUG(__name) \
        CHECK_MGD; \
        const gchar *cname = NULL; \
        if(self) { \
                CLASS_METHOD_DEBUG(G_OBJECT_TYPE_NAME(G_OBJECT(self->obj)), __name); \
        } \
        if(cname == NULL) \
                CLASS_METHOD_DEBUG("midgard_dbobject", __name);

#define _FREE_PARAMETERS \
                guint _i; \
        for(_i = 0; _i < n_params; _i++) { \
                                g_value_unset(&params[_i].value); \
                        } \
        g_free(params); 

PyObject *
pymidgard_object_get_parameter(PyGObject *self, PyObject *args) 
{
        PARAM_DEBUG("get_parameter");
        const gchar *domain = NULL, *name = NULL;

        if(!PyArg_ParseTuple(args, "ss", &domain, &name))
                return NULL;

        MgdObject *mobject = MIDGARD_OBJECT(self->obj);

        const GValue *gval = 
                midgard_object_get_parameter(mobject, domain, name);

        if(gval == NULL)
                Py_RETURN_NONE;

        PyObject *ret = pyg_value_as_pyobject(gval, FALSE);

        return ret;
}

PyObject *
pymidgard_object_set_parameter(PyGObject *self, PyObject *args) 
{
        PARAM_DEBUG("set_parameter");
        const gchar *domain = NULL, *name = NULL;
        PyObject *pvalue;
        gboolean lang = FALSE;
        GValue *cvalue = NULL;

        if(!PyArg_ParseTuple(args, "ss|O|b", &domain, &name, &pvalue, &lang))
                                return NULL;

        MgdObject *mobject = MIDGARD_OBJECT(self->obj);
        
        if(pvalue != NULL) {
                
                GValue gval = gvalue_from_pyobject(pvalue);
                pyg_value_from_pyobject(&gval, pvalue);
                cvalue = g_new0(GValue, 1);
                g_value_init(cvalue, G_VALUE_TYPE(&gval));
                g_value_copy((const GValue *) &gval, cvalue);
                g_value_unset(&gval);
        }
        
        if(midgard_object_set_parameter(mobject, domain, name, cvalue, lang))
                Py_RETURN_TRUE;

        Py_RETURN_FALSE;
}

PyObject *
pymidgard_object_delete_parameters(PyGObject *self, PyObject *args) 
{
        PARAM_DEBUG("delete_parameters");

        PyObject *props;
        
        if(!PyArg_ParseTuple(args, "O", &props))
                return NULL;

        MgdObject *mobject = MIDGARD_OBJECT(self->obj);

        guint n_params;
        GParameter *params = _py_midgard_parameters_from_args(props, &n_params);
        
        gboolean rv = midgard_object_delete_parameters(mobject, n_params, params);

        _FREE_PARAMETERS;

        if(rv)
                Py_RETURN_TRUE;

        Py_RETURN_FALSE;
}

PyObject *
pymidgard_object_purge_parameters(PyGObject *self, PyObject *args) 
{
        PARAM_DEBUG("purge_parameters");

        PyObject *props;
        if(!PyArg_ParseTuple(args, "O", &props))
                return NULL;

        MgdObject *mobject = MIDGARD_OBJECT(self->obj);

        guint n_params;
        GParameter *params = _py_midgard_parameters_from_args(props, &n_params);
        
        gboolean rv = midgard_object_purge_parameters(mobject, n_params, params);

        _FREE_PARAMETERS;

        if(rv)
                Py_RETURN_TRUE;

        Py_RETURN_FALSE;
}

PyObject *
pymidgard_object_list_parameters(PyGObject *self, PyObject *args) 
{
        PARAM_DEBUG("list_parameters");

        gchar *domain = NULL;
        guint i = 0;
        
        if(!PyArg_ParseTuple(args, "|s", &domain))
                return NULL;

        MgdObject *mobject = MIDGARD_OBJECT(self->obj);

        MgdObject **objects = midgard_object_list_parameters(mobject, domain);

        if(!objects)
                return PyTuple_New(i);

        while(objects[i] != NULL)
                i++;
        
        PyObject *list = PyTuple_New(i);
        
        OBJECTS2LIST(objects, list);
        
        g_free(objects);
        
        return list;
}

PyObject *
pymidgard_object_find_parameters(PyGObject *self, PyObject *args) 
{
        PARAM_DEBUG("find_parameters");

        PyObject *props;

        if(!PyArg_ParseTuple(args, "O", &props))
                return NULL;
        
        MgdObject *mobject = MIDGARD_OBJECT(self->obj);

        guint n_params, i = 0;
        GParameter *params = _py_midgard_parameters_from_args(props, &n_params);

        MgdObject **objects = midgard_object_find_parameters(mobject, n_params, params);

        _FREE_PARAMETERS;

        if(!objects)
                return PyTuple_New(i);

        while(objects[i] != NULL)
                i++;
        
        PyObject *list = PyTuple_New(i);
        
        OBJECTS2LIST(objects, list);
        
        g_free(objects);
        
        return list;
}