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-rw-r--r--src/archive/zzip_archive_plugin.c241
1 files changed, 241 insertions, 0 deletions
diff --git a/src/archive/zzip_archive_plugin.c b/src/archive/zzip_archive_plugin.c
new file mode 100644
index 000000000..7e59a0935
--- /dev/null
+++ b/src/archive/zzip_archive_plugin.c
@@ -0,0 +1,241 @@
+/*
+ * Copyright (C) 2003-2010 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.
+ */
+
+/**
+ * zip archive handling (requires zziplib)
+ */
+
+#include "config.h"
+#include "archive/zzip_archive_plugin.h"
+#include "archive_api.h"
+#include "archive_api.h"
+#include "input_plugin.h"
+#include "refcount.h"
+
+#include <zzip/zzip.h>
+#include <glib.h>
+#include <string.h>
+
+struct zzip_archive {
+ struct archive_file base;
+
+ struct refcount ref;
+
+ ZZIP_DIR *dir;
+ GSList *list;
+ GSList *iter;
+};
+
+static const struct input_plugin zzip_input_plugin;
+
+static inline GQuark
+zzip_quark(void)
+{
+ return g_quark_from_static_string("zzip");
+}
+
+/* archive open && listing routine */
+
+static struct archive_file *
+zzip_archive_open(const char *pathname, GError **error_r)
+{
+ struct zzip_archive *context = g_malloc(sizeof(*context));
+ ZZIP_DIRENT dirent;
+
+ archive_file_init(&context->base, &zzip_archive_plugin);
+ refcount_init(&context->ref);
+
+ // open archive
+ context->list = NULL;
+ context->dir = zzip_dir_open(pathname, NULL);
+ if (context->dir == NULL) {
+ g_set_error(error_r, zzip_quark(), 0,
+ "Failed to open ZIP file %s", pathname);
+ return NULL;
+ }
+
+ while (zzip_dir_read(context->dir, &dirent)) {
+ //add only files
+ if (dirent.st_size > 0) {
+ context->list = g_slist_prepend(context->list,
+ g_strdup(dirent.d_name));
+ }
+ }
+
+ return &context->base;
+}
+
+static void
+zzip_archive_scan_reset(struct archive_file *file)
+{
+ struct zzip_archive *context = (struct zzip_archive *) file;
+ //reset iterator
+ context->iter = context->list;
+}
+
+static char *
+zzip_archive_scan_next(struct archive_file *file)
+{
+ struct zzip_archive *context = (struct zzip_archive *) file;
+ char *data = NULL;
+ if (context->iter != NULL) {
+ ///fetch data and goto next
+ data = context->iter->data;
+ context->iter = g_slist_next(context->iter);
+ }
+ return data;
+}
+
+static void
+zzip_archive_close(struct archive_file *file)
+{
+ struct zzip_archive *context = (struct zzip_archive *) file;
+
+ if (!refcount_dec(&context->ref))
+ return;
+
+ if (context->list) {
+ //free list
+ for (GSList *tmp = context->list; tmp != NULL; tmp = g_slist_next(tmp))
+ g_free(tmp->data);
+ g_slist_free(context->list);
+ }
+ //close archive
+ zzip_dir_close (context->dir);
+
+ g_free(context);
+}
+
+/* single archive handling */
+
+struct zzip_input_stream {
+ struct input_stream base;
+
+ struct zzip_archive *archive;
+
+ ZZIP_FILE *file;
+};
+
+static struct input_stream *
+zzip_archive_open_stream(struct archive_file *file,
+ const char *pathname, GError **error_r)
+{
+ struct zzip_archive *context = (struct zzip_archive *) file;
+ struct zzip_input_stream *zis;
+ ZZIP_STAT z_stat;
+
+ zis = g_new(struct zzip_input_stream, 1);
+ input_stream_init(&zis->base, &zzip_input_plugin);
+
+ zis->archive = context;
+ zis->file = zzip_file_open(context->dir, pathname, 0);
+ if (zis->file == NULL) {
+ g_free(zis);
+ g_set_error(error_r, zzip_quark(), 0,
+ "not found in the ZIP file: %s", pathname);
+ return NULL;
+ }
+
+ zis->base.ready = true;
+ //we are seekable (but its not recommendent to do so)
+ zis->base.seekable = true;
+
+ zzip_file_stat(zis->file, &z_stat);
+ zis->base.size = z_stat.st_size;
+
+ refcount_inc(&context->ref);
+
+ return &zis->base;
+}
+
+static void
+zzip_input_close(struct input_stream *is)
+{
+ struct zzip_input_stream *zis = (struct zzip_input_stream *)is;
+
+ zzip_file_close(zis->file);
+ zzip_archive_close(&zis->archive->base);
+ g_free(zis);
+}
+
+static size_t
+zzip_input_read(struct input_stream *is, void *ptr, size_t size,
+ GError **error_r)
+{
+ struct zzip_input_stream *zis = (struct zzip_input_stream *)is;
+ int ret;
+
+ ret = zzip_file_read(zis->file, ptr, size);
+ if (ret < 0) {
+ g_set_error(error_r, zzip_quark(), ret,
+ "zzip_file_read() has failed");
+ return 0;
+ }
+
+ is->offset = zzip_tell(zis->file);
+
+ return ret;
+}
+
+static bool
+zzip_input_eof(struct input_stream *is)
+{
+ struct zzip_input_stream *zis = (struct zzip_input_stream *)is;
+
+ return (goffset)zzip_tell(zis->file) == is->size;
+}
+
+static bool
+zzip_input_seek(struct input_stream *is,
+ goffset offset, int whence, GError **error_r)
+{
+ struct zzip_input_stream *zis = (struct zzip_input_stream *)is;
+ zzip_off_t ofs = zzip_seek(zis->file, offset, whence);
+ if (ofs != -1) {
+ g_set_error(error_r, zzip_quark(), ofs,
+ "zzip_seek() has failed");
+ is->offset = ofs;
+ return true;
+ }
+ return false;
+}
+
+/* exported structures */
+
+static const char *const zzip_archive_extensions[] = {
+ "zip",
+ NULL
+};
+
+static const struct input_plugin zzip_input_plugin = {
+ .close = zzip_input_close,
+ .read = zzip_input_read,
+ .eof = zzip_input_eof,
+ .seek = zzip_input_seek,
+};
+
+const struct archive_plugin zzip_archive_plugin = {
+ .name = "zzip",
+ .open = zzip_archive_open,
+ .scan_reset = zzip_archive_scan_reset,
+ .scan_next = zzip_archive_scan_next,
+ .open_stream = zzip_archive_open_stream,
+ .close = zzip_archive_close,
+ .suffixes = zzip_archive_extensions
+};