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usr
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include
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glib-2.0
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glib
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deprecated
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grel.h
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/* GLIB - Library of useful routines for C programming * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * * 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 2.1 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 library; if not, see <http://www.gnu.org/licenses/>. */ /* * Modified by the GLib Team and others 1997-2000. See the AUTHORS * file for a list of people on the GLib Team. See the ChangeLog * files for a list of changes. These files are distributed with * GLib at ftp://ftp.gtk.org/pub/gtk/. */ #ifndef __G_REL_H__ #define __G_REL_H__ #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) #error "Only <glib.h> can be included directly." #endif #include <glib/gtypes.h> G_BEGIN_DECLS typedef struct _GRelation GRelation; typedef struct _GTuples GTuples; struct _GTuples { guint len; }; /* GRelation * * Indexed Relations. Imagine a really simple table in a * database. Relations are not ordered. This data type is meant for * maintaining a N-way mapping. * * g_relation_new() creates a relation with FIELDS fields * * g_relation_destroy() frees all resources * g_tuples_destroy() frees the result of g_relation_select() * * g_relation_index() indexes relation FIELD with the provided * equality and hash functions. this must be done before any * calls to insert are made. * * g_relation_insert() inserts a new tuple. you are expected to * provide the right number of fields. * * g_relation_delete() deletes all relations with KEY in FIELD * g_relation_select() returns ... * g_relation_count() counts ... */ GLIB_DEPRECATED_IN_2_26 GRelation* g_relation_new (gint fields); GLIB_DEPRECATED_IN_2_26 void g_relation_destroy (GRelation *relation); GLIB_DEPRECATED_IN_2_26 void g_relation_index (GRelation *relation, gint field, GHashFunc hash_func, GEqualFunc key_equal_func); GLIB_DEPRECATED_IN_2_26 void g_relation_insert (GRelation *relation, ...); GLIB_DEPRECATED_IN_2_26 gint g_relation_delete (GRelation *relation, gconstpointer key, gint field); GLIB_DEPRECATED_IN_2_26 GTuples* g_relation_select (GRelation *relation, gconstpointer key, gint field); GLIB_DEPRECATED_IN_2_26 gint g_relation_count (GRelation *relation, gconstpointer key, gint field); GLIB_DEPRECATED_IN_2_26 gboolean g_relation_exists (GRelation *relation, ...); GLIB_DEPRECATED_IN_2_26 void g_relation_print (GRelation *relation); GLIB_DEPRECATED_IN_2_26 void g_tuples_destroy (GTuples *tuples); GLIB_DEPRECATED_IN_2_26 gpointer g_tuples_index (GTuples *tuples, gint index_, gint field); G_END_DECLS #endif /* __G_REL_H__ */