author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 02:56:42 +0300 | |
changeset 68 | ff3fc7722556 |
parent 18 | 47c74d1534e1 |
permissions | -rw-r--r-- |
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/* GLIB - Library of useful routines for C programming |
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald |
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* Portions copyright (c) 2006-2009 Nokia Corporation. All rights reserved. |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library 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 GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the |
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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* Boston, MA 02111-1307, USA. |
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*/ |
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|
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/* |
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* Modified by the GLib Team and others 1997-2000. See the AUTHORS |
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* file for a list of people on the GLib Team. See the ChangeLog |
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* files for a list of changes. These files are distributed with |
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* GLib at ftp://ftp.gtk.org/pub/gtk/. |
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*/ |
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#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) |
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#error "Only <glib.h> can be included directly." |
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#endif |
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#ifndef __G_REL_H__ |
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#define __G_REL_H__ |
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#include <glib/gtypes.h> |
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G_BEGIN_DECLS |
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typedef struct _GRelation GRelation; |
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typedef struct _GTuples GTuples; |
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struct _GTuples |
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{ |
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guint len; |
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}; |
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/* GRelation |
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* |
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* Indexed Relations. Imagine a really simple table in a |
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* database. Relations are not ordered. This data type is meant for |
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* maintaining a N-way mapping. |
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* |
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* g_relation_new() creates a relation with FIELDS fields |
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* |
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* g_relation_destroy() frees all resources |
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* g_tuples_destroy() frees the result of g_relation_select() |
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* |
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* g_relation_index() indexes relation FIELD with the provided |
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* equality and hash functions. this must be done before any |
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* calls to insert are made. |
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* |
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* g_relation_insert() inserts a new tuple. you are expected to |
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* provide the right number of fields. |
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* |
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* g_relation_delete() deletes all relations with KEY in FIELD |
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* g_relation_select() returns ... |
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* g_relation_count() counts ... |
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*/ |
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IMPORT_C GRelation* g_relation_new (gint fields); |
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IMPORT_C void g_relation_destroy (GRelation *relation); |
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IMPORT_C void g_relation_index (GRelation *relation, |
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gint field, |
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GHashFunc hash_func, |
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GEqualFunc key_equal_func); |
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IMPORT_C void g_relation_insert (GRelation *relation, |
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...); |
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IMPORT_C gint g_relation_delete (GRelation *relation, |
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gconstpointer key, |
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gint field); |
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IMPORT_C GTuples* g_relation_select (GRelation *relation, |
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gconstpointer key, |
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gint field); |
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IMPORT_C gint g_relation_count (GRelation *relation, |
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gconstpointer key, |
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gint field); |
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IMPORT_C gboolean g_relation_exists (GRelation *relation, |
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...); |
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IMPORT_C void g_relation_print (GRelation *relation); |
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IMPORT_C void g_tuples_destroy (GTuples *tuples); |
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IMPORT_C gpointer g_tuples_index (GTuples *tuples, |
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gint index_, |
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gint field); |
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G_END_DECLS |
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#endif /* __G_REL_H__ */ |