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/////////////////////////////////////////////////////////////////////////
// Copyright 2011-2018 Simon Schneegans
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
/////////////////////////////////////////////////////////////////////////
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 = new uint8[4096];
buffer.length = (int) reader.read(buffer);
while(buffer.length > 0) {
#if VALA_0_42
this.archive.write_data(buffer);
#else
this.archive.write_data(buffer, buffer.length);
#endif
buffer.length = (int) 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;
}
}
}
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