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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/archiveWriter.vala
parent10af7615316fd91eef61cc66a8ede38a2bff3fdc (diff)
Imported Upstream version 0.6.6upstream/0.6.6
Diffstat (limited to 'src/utilities/archiveWriter.vala')
-rw-r--r--src/utilities/archiveWriter.vala139
1 files changed, 139 insertions, 0 deletions
diff --git a/src/utilities/archiveWriter.vala b/src/utilities/archiveWriter.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 pack a directory of files recursively into
+/// a *.tar.gz archive.
+/////////////////////////////////////////////////////////////////////////
+
+public class ArchiveWriter : GLib.Object {
+
+ private Archive.Write archive;
+
+ /////////////////////////////////////////////////////////////////////
+ /// Constructs a new ArchiveWriter
+ /////////////////////////////////////////////////////////////////////
+
+ public ArchiveWriter() {
+ this.archive = new Archive.Write();
+ this.archive.add_filter_gzip();
+ this.archive.set_format_pax_restricted();
+
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Call this once after you created the ArchiveWriter. Pass the
+ /// path to the target archive location.
+ /////////////////////////////////////////////////////////////////////
+
+ public bool open(string path) {
+ return this.archive.open_filename(path) == Archive.Result.OK;
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Adds all files of a given directory to the previously opened
+ /// archive.
+ /////////////////////////////////////////////////////////////////////
+
+ public bool add(string directory) {
+ return add_directory(directory, directory);
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// When all files have been added, close the directory again.
+ /////////////////////////////////////////////////////////////////////
+
+ public void close() {
+ this.archive.close();
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Private helper function which traveres a directory recursively.
+ /////////////////////////////////////////////////////////////////////
+
+ private bool add_directory(string directory, string relative_to) {
+ try {
+ var d = Dir.open(directory);
+ string name;
+ while ((name = d.read_name()) != null) {
+ string path = Path.build_filename(directory, name);
+ if (FileUtils.test(path, FileTest.IS_DIR)) {
+ if (!add_directory(path, relative_to)) {
+ return false;
+ }
+
+ } else if (FileUtils.test(path, FileTest.IS_REGULAR)) {
+ if (!add_file(path, relative_to)) {
+ return false;
+ }
+
+ } else {
+ warning("Packaging theme: Ignoring irregular file " + name);
+ }
+ }
+ } catch (Error e) {
+ warning (e.message);
+ return false;
+ }
+
+ return true;
+
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Private halper which adds a file to the archive.
+ /////////////////////////////////////////////////////////////////////
+
+ public bool add_file(string path, string relative_to) {
+ var entry = new Archive.Entry();
+ entry.set_pathname(path.replace(relative_to, ""));
+
+ Posix.Stat st;
+ Posix.stat(path, out st);
+ entry.copy_stat(st);
+ entry.set_size(st.st_size);
+
+ if (this.archive.write_header(entry) == Archive.Result.OK) {
+ try {
+ var reader = File.new_for_path(path).read();
+ uint8 buffer[4096];
+
+ var len = reader.read(buffer);
+
+ while(len > 0) {
+ this.archive.write_data(buffer, len);
+ len = reader.read(buffer);
+ }
+
+ this.archive.finish_entry();
+ } catch (Error e) {
+ warning (e.message);
+ return false;
+ }
+
+ } else {
+ warning("Failed to include file " + path + " into archive");
+ return false;
+ }
+
+ return true;
+ }
+}
+
+}