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/* mg-condition.h
*
* Copyright (C) 2003 Vivien Malerba
*
* 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 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
*/
#ifndef __MG_CONDITION_H_
#define __MG_CONDITION_H_
#include "mg-base.h"
#include "mg-defs.h"
#include <libgda/libgda.h>
/* Implements the MgXmlStorage, MgReferer and MgRenderer interfaces */
G_BEGIN_DECLS
#define MG_CONDITION_TYPE (mg_condition_get_type())
#define MG_CONDITION(obj) G_TYPE_CHECK_INSTANCE_CAST (obj, mg_condition_get_type(), MgCondition)
#define MG_CONDITION_CLASS(klass) G_TYPE_CHECK_CLASS_CAST (klass, mg_condition_get_type (), MgConditionClass)
#define IS_MG_CONDITION(obj) G_TYPE_CHECK_INSTANCE_TYPE (obj, mg_condition_get_type ())
/* error reporting */
extern GQuark mg_condition_error_quark (void);
#define MG_CONDITION_ERROR mg_condition_error_quark ()
/* different possible types for a query */
typedef enum {
MG_CONDITION_NODE_AND,
MG_CONDITION_NODE_OR,
MG_CONDITION_NODE_NOT,
MG_CONDITION_LEAF_EQUAL,
MG_CONDITION_LEAF_DIFF,
MG_CONDITION_LEAF_SUP,
MG_CONDITION_LEAF_SUPEQUAL,
MG_CONDITION_LEAF_INF,
MG_CONDITION_LEAF_INFEQUAL,
MG_CONDITION_LEAF_LIKE,
MG_CONDITION_LEAF_SIMILAR,
MG_CONDITION_LEAF_REGEX,
MG_CONDITION_LEAF_REGEX_NOCASE,
MG_CONDITION_LEAF_NOT_REGEX,
MG_CONDITION_LEAF_NOT_REGEX_NOCASE,
MG_CONDITION_LEAF_IN,
MG_CONDITION_LEAF_BETWEEN,
MG_CONDITION_TYPE_UNKNOWN
} MgConditionType;
typedef enum {
MG_CONDITION_OP_LEFT = 0,
MG_CONDITION_OP_RIGHT = 1,
MG_CONDITION_OP_RIGHT2 = 2
} MgConditionOperator;
enum
{
MG_CONDITION_XML_LOAD_ERROR,
MG_CONDITION_RENDERER_ERROR,
MG_CONDITION_PARENT_ERROR
};
/* struct for the object's data */
struct _MgCondition
{
MgBase object;
MgConditionPrivate *priv;
};
/* struct for the object's class */
struct _MgConditionClass
{
MgBaseClass class;
};
guint mg_condition_get_type (void);
GObject *mg_condition_new (MgQuery *query, MgConditionType type);
GObject *mg_condition_new_copy (MgCondition *orig, GHashTable *replacements);
void mg_condition_set_cond_type (MgCondition *condition, MgConditionType type);
MgConditionType mg_condition_get_cond_type (MgCondition *condition);
GSList *mg_condition_get_children (MgCondition *condition);
MgCondition *mg_condition_get_parent (MgCondition *condition);
MgCondition *mg_condition_get_child_by_xml_id (MgCondition *condition, const gchar *xml_id);
gboolean mg_condition_is_ancestor (MgCondition *condition, MgCondition *ancestor);
gboolean mg_condition_is_leaf (MgCondition *condition);
/* Node conditions */
gboolean mg_condition_node_add_child (MgCondition *condition, MgCondition *child, GError **error);
void mg_condition_node_del_child (MgCondition *condition, MgCondition *child);
/* Leaf conditions */
void mg_condition_leaf_set_operator (MgCondition *condition,
MgConditionOperator op, MgQfield *field);
MgQfield *mg_condition_leaf_get_operator (MgCondition *condition, MgConditionOperator op);
GSList *mg_condition_get_ref_objects_all(MgCondition *condition);
gboolean mg_condition_represents_join (MgCondition *condition,
MgTarget **target1, MgTarget **target2,
gboolean *is_equi_join);
GSList *mg_condition_get_main_conditions(MgCondition *condition);
G_END_DECLS
#endif
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