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/*
* Copyright © 2017 Endless Mobile, Inc.
*
* SPDX-License-Identifier: LGPL-2.0+
*
* 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 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 <https://www.gnu.org/licenses/>.
*
* Authors:
* - Philip Withnall <withnall@endlessm.com>
*/
#include "config.h"
#include <gio/gio.h>
#include <glib.h>
#include <glib-object.h>
#include <libglnx.h>
#include "ostree-autocleanups.h"
#include "ostree-core.h"
#include "ostree-core-private.h"
#include "ostree-ref.h"
G_DEFINE_BOXED_TYPE (OstreeCollectionRef, ostree_collection_ref,
ostree_collection_ref_dup, ostree_collection_ref_free)
/**
* ostree_collection_ref_new:
* @collection_id: (nullable): a collection ID, or %NULL for a plain ref
* @ref_name: a ref name
*
* Create a new #OstreeCollectionRef containing (@collection_id, @ref_name). If
* @collection_id is %NULL, this is equivalent to a plain ref name string (not a
* refspec; no remote name is included), which can be used for non-P2P
* operations.
*
* Returns: (transfer full) (nullable): a new #OstreeCollectionRef
* Since: 2018.6
*/
OstreeCollectionRef *
ostree_collection_ref_new (const gchar *collection_id,
const gchar *ref_name)
{
g_autoptr(OstreeCollectionRef) collection_ref = NULL;
g_return_val_if_fail (collection_id == NULL ||
ostree_validate_collection_id (collection_id, NULL), NULL);
g_return_val_if_fail (ostree_validate_rev (ref_name, NULL), NULL);
collection_ref = g_new0 (OstreeCollectionRef, 1);
collection_ref->collection_id = g_strdup (collection_id);
collection_ref->ref_name = g_strdup (ref_name);
return g_steal_pointer (&collection_ref);
}
/**
* ostree_collection_ref_dup:
* @ref: (not nullable): an #OstreeCollectionRef
*
* Create a copy of the given @ref.
*
* Returns: (transfer full): a newly allocated copy of @ref
* Since: 2018.6
*/
OstreeCollectionRef *
ostree_collection_ref_dup (const OstreeCollectionRef *ref)
{
g_return_val_if_fail (ref != NULL, NULL);
return ostree_collection_ref_new (ref->collection_id, ref->ref_name);
}
/**
* ostree_collection_ref_free:
* @ref: (transfer full): an #OstreeCollectionRef
*
* Free the given @ref.
*
* Since: 2018.6
*/
void
ostree_collection_ref_free (OstreeCollectionRef *ref)
{
g_return_if_fail (ref != NULL);
g_free (ref->collection_id);
g_free (ref->ref_name);
g_free (ref);
}
/**
* ostree_collection_ref_hash:
* @ref: (not nullable): an #OstreeCollectionRef
*
* Hash the given @ref. This function is suitable for use with #GHashTable.
* @ref must be non-%NULL.
*
* Returns: hash value for @ref
* Since: 2018.6
*/
guint
ostree_collection_ref_hash (gconstpointer ref)
{
const OstreeCollectionRef *_ref = ref;
if (_ref->collection_id != NULL)
return g_str_hash (_ref->collection_id) ^ g_str_hash (_ref->ref_name);
else
return g_str_hash (_ref->ref_name);
}
/**
* ostree_collection_ref_equal:
* @ref1: (not nullable): an #OstreeCollectionRef
* @ref2 : (not nullable): another #OstreeCollectionRef
*
* Compare @ref1 and @ref2 and return %TRUE if they have the same collection ID and
* ref name, and %FALSE otherwise. Both @ref1 and @ref2 must be non-%NULL.
*
* Returns: %TRUE if @ref1 and @ref2 are equal, %FALSE otherwise
* Since: 2018.6
*/
gboolean
ostree_collection_ref_equal (gconstpointer ref1,
gconstpointer ref2)
{
const OstreeCollectionRef *_ref1 = ref1, *_ref2 = ref2;
return (g_strcmp0 (_ref1->collection_id, _ref2->collection_id) == 0 &&
g_strcmp0 (_ref1->ref_name, _ref2->ref_name) == 0);
}
/**
* ostree_collection_ref_dupv:
* @refs: (array zero-terminated=1): %NULL-terminated array of #OstreeCollectionRefs
*
* Copy an array of #OstreeCollectionRefs, including deep copies of all its
* elements. @refs must be %NULL-terminated; it may be empty, but must not be
* %NULL.
*
* Returns: (transfer full) (array zero-terminated=1): a newly allocated copy of @refs
* Since: 2018.6
*/
OstreeCollectionRef **
ostree_collection_ref_dupv (const OstreeCollectionRef * const *refs)
{
gsize i, n_refs = g_strv_length ((gchar **) refs); /* hack */
g_auto(OstreeCollectionRefv) new_refs = NULL;
g_return_val_if_fail (refs != NULL, NULL);
new_refs = g_new0 (OstreeCollectionRef*, n_refs + 1);
for (i = 0; i < n_refs; i++)
new_refs[i] = ostree_collection_ref_dup (refs[i]);
new_refs[i] = NULL;
return g_steal_pointer (&new_refs);
}
/**
* ostree_collection_ref_freev:
* @refs: (transfer full) (array zero-terminated=1): an array of #OstreeCollectionRefs
*
* Free the given array of @refs, including freeing all its elements. @refs
* must be %NULL-terminated; it may be empty, but must not be %NULL.
*
* Since: 2018.6
*/
void
ostree_collection_ref_freev (OstreeCollectionRef **refs)
{
gsize i;
g_return_if_fail (refs != NULL);
for (i = 0; refs[i] != NULL; i++)
ostree_collection_ref_free (refs[i]);
g_free (refs);
}
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