83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
/*
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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 "db-iter.h"
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/**
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* SECTION: db-iter
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* @Short_description: an iterator for the #DbModel
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* @Title: DbIter
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* @See_also: #DbModel
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*
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* The #DbIter is the structure used to navigate through a #DbModel. See #DbModel
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* for the methods required to do it.
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**/
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G_DEFINE_BOXED_TYPE (DbIter, db_iter, db_iter_copy, db_iter_free);
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/**
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* db_model_iter_compare:
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* @a: a #DbIter
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* @b: a #DbIter
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*
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* Compares the two given iters for equality. The equality between two
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* #DbIter is determined by its stamp and the row of a #DbModel they are
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* pointing to.
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*
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* Return value: #TRUE if the two iters are the same
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**/
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gboolean db_iter_compare (DbIter * a, DbIter * b)
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{
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if (a && b)
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return (a->stamp == b->stamp && a->data == b->data);
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else if (!a && !b)
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return TRUE;
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else
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return FALSE;
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}
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/**
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* db_iter_copy:
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* @obj: the #DbIter to copy
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*
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* Copies a #DbIter. Note that this function copies only the reference to the
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* data in @obj. This is so due to the nature of #DbIter and it's use.
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*
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* Return value: a new #DbIter
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**/
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DbIter * db_iter_copy (DbIter * obj)
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{
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g_return_val_if_fail (obj, NULL);
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DbIter * dst = g_new (DbIter, 1);
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dst->stamp = obj->stamp;
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dst->data = obj->data;
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dst->data2 = obj->data2;
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dst->data3 = obj->data3;
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return dst;
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}
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/**
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* db_iter_free:
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* @obj: (allow-none): a #DbIter
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*
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* Frees a #DbIter.
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**/
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void db_iter_free (DbIter * obj)
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{
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g_free (obj);
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}
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