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https://github.com/ostreedev/ostree.git
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8b43c539cf
The data structures we use for reading already-written commits versus building them don't need to be the same. It's cleaner if we can have generic code which operates on a GFile implementation for reads, because then we can share more generic code for walking and operating on filesystem trees via GIO.
143 lines
4.0 KiB
C
143 lines
4.0 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright (C) 2011 Colin Walters <walters@verbum.org>
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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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* Author: Colin Walters <walters@verbum.org>
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*/
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#include "config.h"
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#include "ostree-repo-file-enumerator.h"
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#include <string.h>
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struct _OstreeRepoFileEnumerator
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{
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GFileEnumerator parent;
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OstreeRepoFile *dir;
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char *attributes;
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GFileQueryInfoFlags flags;
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int index;
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};
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#define ostree_repo_file_enumerator_get_type _ostree_repo_file_enumerator_get_type
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G_DEFINE_TYPE (OstreeRepoFileEnumerator, ostree_repo_file_enumerator, G_TYPE_FILE_ENUMERATOR);
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static GFileInfo *ostree_repo_file_enumerator_next_file (GFileEnumerator *enumerator,
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GCancellable *cancellable,
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GError **error);
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static gboolean ostree_repo_file_enumerator_close (GFileEnumerator *enumerator,
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GCancellable *cancellable,
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GError **error);
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static void
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ostree_repo_file_enumerator_dispose (GObject *object)
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{
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OstreeRepoFileEnumerator *self;
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self = OSTREE_REPO_FILE_ENUMERATOR (object);
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g_clear_object (&self->dir);
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g_free (self->attributes);
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if (G_OBJECT_CLASS (ostree_repo_file_enumerator_parent_class)->dispose)
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G_OBJECT_CLASS (ostree_repo_file_enumerator_parent_class)->dispose (object);
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}
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static void
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ostree_repo_file_enumerator_finalize (GObject *object)
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{
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OstreeRepoFileEnumerator *self;
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self = OSTREE_REPO_FILE_ENUMERATOR (object);
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(void)self;
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G_OBJECT_CLASS (ostree_repo_file_enumerator_parent_class)->finalize (object);
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}
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static void
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ostree_repo_file_enumerator_class_init (OstreeRepoFileEnumeratorClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GFileEnumeratorClass *enumerator_class = G_FILE_ENUMERATOR_CLASS (klass);
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gobject_class->finalize = ostree_repo_file_enumerator_finalize;
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gobject_class->dispose = ostree_repo_file_enumerator_dispose;
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enumerator_class->next_file = ostree_repo_file_enumerator_next_file;
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enumerator_class->close_fn = ostree_repo_file_enumerator_close;
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}
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static void
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ostree_repo_file_enumerator_init (OstreeRepoFileEnumerator *self)
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{
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}
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GFileEnumerator *
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_ostree_repo_file_enumerator_new (OstreeRepoFile *dir,
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const char *attributes,
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GFileQueryInfoFlags flags,
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GCancellable *cancellable,
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GError **error)
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{
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OstreeRepoFileEnumerator *self;
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self = g_object_new (OSTREE_TYPE_REPO_FILE_ENUMERATOR,
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"container", dir,
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NULL);
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self->dir = g_object_ref (dir);
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self->attributes = g_strdup (attributes);
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self->flags = flags;
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return G_FILE_ENUMERATOR (self);
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}
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static GFileInfo *
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ostree_repo_file_enumerator_next_file (GFileEnumerator *enumerator,
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GCancellable *cancellable,
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GError **error)
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{
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OstreeRepoFileEnumerator *self = OSTREE_REPO_FILE_ENUMERATOR (enumerator);
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gboolean ret = FALSE;
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GFileInfo *info = NULL;
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if (!_ostree_repo_file_tree_query_child (self->dir, self->index,
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self->attributes, self->flags,
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&info, cancellable, error))
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goto out;
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self->index++;
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ret = TRUE;
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out:
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if (!ret)
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g_clear_object (&info);
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return info;
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}
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static gboolean
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ostree_repo_file_enumerator_close (GFileEnumerator *enumerator,
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GCancellable *cancellable,
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GError **error)
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{
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return TRUE;
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}
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