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authorJörg Frings-Fürst <debian@jff-webhosting.net>2015-09-27 15:05:13 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2015-09-27 15:05:13 +0200
commit16fe2e5d0525422ba6ca5db9e92a93d17caae302 (patch)
treed6f1a9ed22335f6d0b457ccdd560b7525fb38d14 /src/utilities/archiveReader.vala
parent10af7615316fd91eef61cc66a8ede38a2bff3fdc (diff)
Imported Upstream version 0.6.6upstream/0.6.6
Diffstat (limited to 'src/utilities/archiveReader.vala')
-rw-r--r--src/utilities/archiveReader.vala123
1 files changed, 123 insertions, 0 deletions
diff --git a/src/utilities/archiveReader.vala b/src/utilities/archiveReader.vala
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+/////////////////////////////////////////////////////////////////////////
+// Copyright (c) 2011-2015 by Simon Schneegans
+//
+// 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 3 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, see <http://www.gnu.org/licenses/>.
+/////////////////////////////////////////////////////////////////////////
+
+namespace GnomePie {
+
+/////////////////////////////////////////////////////////////////////////
+/// This class can be used to unpack an archive to a directory.
+/////////////////////////////////////////////////////////////////////////
+
+public class ArchiveReader : GLib.Object {
+
+ private Archive.Read archive;
+ private Archive.WriteDisk writer;
+
+ /////////////////////////////////////////////////////////////////////
+ /// Constructs a new ArchiveReader
+ /////////////////////////////////////////////////////////////////////
+
+ public ArchiveReader() {
+ this.archive = new Archive.Read();
+ this.archive.support_format_all();
+ this.archive.support_filter_all();
+
+ this.writer = new Archive.WriteDisk();
+ this.writer.set_options(
+ Archive.ExtractFlags.TIME |
+ Archive.ExtractFlags.PERM |
+ Archive.ExtractFlags.ACL |
+ Archive.ExtractFlags.FFLAGS
+ );
+ this.writer.set_standard_lookup();
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Call this once after you created the ArchiveReader. Pass the
+ /// path to the target archive location.
+ /////////////////////////////////////////////////////////////////////
+
+ public bool open(string path) {
+ return this.archive.open_filename(path, 10240) == Archive.Result.OK;
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Extracts all files from the previously opened archive.
+ /////////////////////////////////////////////////////////////////////
+
+ public bool extract_to(string directory) {
+ while (true) {
+ unowned Archive.Entry entry;
+ var r = this.archive.next_header(out entry);
+
+ if (r == Archive.Result.EOF) {
+ break;
+ }
+
+ if (r != Archive.Result.OK) {
+ warning(this.archive.error_string());
+ return false;
+ }
+
+ entry.set_pathname(directory + "/" + entry.pathname());
+
+ r = this.writer.write_header(entry);
+
+ if (r != Archive.Result.OK) {
+ warning(this.writer.error_string());
+ return false;
+ }
+
+ if (entry.size() > 0) {
+ while (true) {
+ size_t offset, size;
+ void *buff;
+
+ r = this.archive.read_data_block(out buff, out size, out offset);
+ if (r == Archive.Result.EOF) {
+ break;
+ }
+
+ if (r != Archive.Result.OK) {
+ warning(this.archive.error_string());
+ return false;
+ }
+
+ this.writer.write_data_block(buff, size, offset);
+ }
+ }
+
+ r = this.writer.finish_entry();
+
+ if (r != Archive.Result.OK) {
+ warning(this.writer.error_string());
+ return false;
+ }
+ }
+ return true;
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// When all files have been added, close the directory again.
+ /////////////////////////////////////////////////////////////////////
+
+ public void close() {
+ this.archive.close();
+ this.writer.close();
+ }
+}
+
+}