118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
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/*
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* Copyright (C) 2012 - Juan Ferrer Toribio
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "sql-dml.h"
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/**
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* SECTION: sql-dml
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* @Short_description: parent class of data manipulation statements.
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* @Title: SqlDml
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*
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* The #SqlDml is the base class for all SQL statements that manipulate data.
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**/
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G_DEFINE_ABSTRACT_TYPE (SqlDml, sql_dml, SQL_TYPE_STMT);
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//+++++++++++++++++++++++++++++++++++++++++++++++++++ Public
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void sql_dml_set_where (SqlDml * obj, SqlExpr * where)
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{
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g_return_if_fail (SQL_IS_DML (obj));
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g_return_if_fail (SQL_IS_EXPR (where) || SQL_IS_HOLDER (where) || !where);
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sql_object_remove (obj, obj->where);
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obj->where = sql_object_add (obj, where);
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}
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//+++++++++++++++++++++++++++++++++++++++++++++++++++ Properties
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enum
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{
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PROP_TARGETS = 1
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,PROP_WHERE
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};
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static void sql_dml_set_property (SqlDml * obj, guint id,
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const GValue * value, GParamSpec * pspec)
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{
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switch (id)
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{
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case PROP_TARGETS:
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sql_object_remove (obj, obj->targets);
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obj->targets = sql_object_add (obj, g_value_get_object (value));
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break;
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case PROP_WHERE:
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sql_dml_set_where (obj, g_value_get_object (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, id, pspec);
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}
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}
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static void sql_dml_get_property (SqlDml * obj, guint id,
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GValue * value, GParamSpec * pspec)
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{
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switch (id)
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{
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case PROP_TARGETS:
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g_value_set_object (value, obj->targets);
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break;
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case PROP_WHERE:
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g_value_set_object (value, obj->where);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, id, pspec);
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}
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}
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//+++++++++++++++++++++++++++++++++++++++++++++++++++ Class
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static void sql_dml_init (SqlDml * obj)
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{
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obj->targets = NULL;
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obj->where = NULL;
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}
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static void sql_dml_finalize (SqlDml * obj)
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{
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sql_object_remove (obj, obj->targets);
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sql_object_remove (obj, obj->where);
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G_OBJECT_CLASS (sql_dml_parent_class)->finalize (G_OBJECT (obj));
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}
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static void sql_dml_class_init (SqlDmlClass * klass)
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{
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GObjectClass * k = G_OBJECT_CLASS (klass);
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k->finalize = (GObjectFinalizeFunc) sql_dml_finalize;
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k->set_property = (GObjectSetPropertyFunc) sql_dml_set_property;
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k->get_property = (GObjectGetPropertyFunc) sql_dml_get_property;
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g_object_class_install_property (k, PROP_TARGETS,
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sql_param_list ("targets"
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,"Targets"
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,"A list of targets"
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,SQL_TYPE_TARGET
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,G_PARAM_READWRITE | G_PARAM_CONSTRUCT
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));
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g_object_class_install_property (k, PROP_WHERE,
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sql_param_object ("where"
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,"Where"
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,"The WHERE section of an statement"
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,SQL_TYPE_EXPR
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,G_PARAM_READWRITE
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));
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}
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