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authorMax Kellermann <max@duempel.org>2013-01-24 19:18:58 +0100
committerMax Kellermann <max@duempel.org>2013-01-24 19:18:58 +0100
commit94fffb332bb40eb4b13ad7a2039109d2a420a8f6 (patch)
tree6686e1d74a1dcbe4e91c70aef45374256d7acac9 /src/input/ArchiveInputPlugin.cxx
parentdc2e64c92b5a61f4c578b5d4c6017b0d5b8037ff (diff)
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archive/*: convert to C++
Diffstat (limited to 'src/input/ArchiveInputPlugin.cxx')
-rw-r--r--src/input/ArchiveInputPlugin.cxx94
1 files changed, 94 insertions, 0 deletions
diff --git a/src/input/ArchiveInputPlugin.cxx b/src/input/ArchiveInputPlugin.cxx
new file mode 100644
index 000000000..560c65843
--- /dev/null
+++ b/src/input/ArchiveInputPlugin.cxx
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "ArchiveInputPlugin.hxx"
+#include "ArchiveLookup.hxx"
+#include "ArchiveList.hxx"
+#include "ArchivePlugin.hxx"
+#include "input_plugin.h"
+
+#include <glib.h>
+
+/**
+ * select correct archive plugin to handle the input stream
+ * may allow stacking of archive plugins. for example for handling
+ * tar.gz a gzip handler opens file (through inputfile stream)
+ * then it opens a tar handler and sets gzip inputstream as
+ * parent_stream so tar plugin fetches file data from gzip
+ * plugin and gzip fetches file from disk
+ */
+static struct input_stream *
+input_archive_open(const char *pathname,
+ GMutex *mutex, GCond *cond,
+ GError **error_r)
+{
+ const struct archive_plugin *arplug;
+ struct archive_file *file;
+ char *archive, *filename, *suffix, *pname;
+ struct input_stream *is;
+
+ if (!g_path_is_absolute(pathname))
+ return NULL;
+
+ pname = g_strdup(pathname);
+ // archive_lookup will modify pname when true is returned
+ if (!archive_lookup(pname, &archive, &filename, &suffix)) {
+ g_debug("not an archive, lookup %s failed\n", pname);
+ g_free(pname);
+ return NULL;
+ }
+
+ //check which archive plugin to use (by ext)
+ arplug = archive_plugin_from_suffix(suffix);
+ if (!arplug) {
+ g_warning("can't handle archive %s\n",archive);
+ g_free(pname);
+ return NULL;
+ }
+
+ file = archive_file_open(arplug, archive, error_r);
+ if (file == NULL) {
+ g_free(pname);
+ return NULL;
+ }
+
+ //setup fileops
+ is = archive_file_open_stream(file, filename, mutex, cond,
+ error_r);
+ archive_file_close(file);
+ g_free(pname);
+
+ return is;
+}
+
+const struct input_plugin input_plugin_archive = {
+ "archive",
+ nullptr,
+ nullptr,
+ input_archive_open,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+ nullptr,
+};