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hedera/sql/sql-holder.c

128 lines
3.2 KiB
C

/*
* Copyright (C) 2012 - Juan Ferrer Toribio
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "sql-holder.h"
/**
* SECTION: sql-holder
* @Short_description:
* @Title: SqlHolder
**/
G_DEFINE_TYPE (SqlHolder, sql_holder, SQL_TYPE_OBJECT);
SqlObject * sql_holder_new (const gchar * id)
{
return g_object_new (SQL_TYPE_HOLDER, "id", id, NULL);
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++ Private
static void sql_holder_render (SqlHolder * obj, SqlRender * render)
{
SqlObject * held_object = NULL;
GSList * i = sql_render_get_ancestors (render);
for (; i && !held_object; i = i->next)
held_object = sql_object_get_held (held_object, obj->id);
if (held_object)
sql_render_add_object (render, held_object);
else
sql_render_printf (render, "#%s", obj->id);
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++ Public
/**
* sql_holder_get_id:
* @obj: the #SqlHolder
*
* Gets the identifier assigned to the holder.
*
* Return value: (transfer none): the id
**/
const gchar * sql_holder_get_id (SqlHolder * obj)
{
g_return_val_if_fail (SQL_IS_HOLDER (obj), NULL);
return obj->id;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++ Properties
enum
{
PROP_ID = 1
};
static void sql_holder_set_property (SqlHolder * obj, guint id,
const GValue * value, GParamSpec * pspec)
{
switch (id)
{
case PROP_ID:
g_free (obj->id);
obj->id = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, id, pspec);
}
}
static void sql_holder_get_property (SqlHolder * obj, guint id,
GValue * value, GParamSpec * pspec)
{
switch (id)
{
case PROP_ID:
g_value_set_string (value, sql_holder_get_id (obj));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, id, pspec);
}
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++ Class
static void sql_holder_init (SqlHolder * obj)
{
obj->id = NULL;
}
static void sql_holder_finalize (SqlHolder * obj)
{
g_free (obj->id);
G_OBJECT_CLASS (sql_holder_finalize)->finalize (G_OBJECT (obj));
}
static void sql_holder_class_init (SqlHolderClass * k)
{
GObjectClass * klass = G_OBJECT_CLASS (k);
klass->finalize = (GObjectFinalizeFunc) sql_holder_finalize;
klass->set_property = (GObjectSetPropertyFunc) sql_holder_set_property;
klass->get_property = (GObjectGetPropertyFunc) sql_holder_get_property;
SQL_OBJECT_CLASS (klass)->render = (SqlRenderFunc) sql_holder_render;
g_object_class_install_property (klass, PROP_ID,
g_param_spec_string ("id"
,_("Identifier")
,_("The holder identifier")
,NULL
,G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY
));
}