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-rw-r--r--src/utilities/archiveReader.vala123
-rw-r--r--src/utilities/archiveWriter.vala139
-rw-r--r--src/utilities/config.vala35
3 files changed, 289 insertions, 8 deletions
diff --git a/src/utilities/archiveReader.vala b/src/utilities/archiveReader.vala
new file mode 100644
index 0000000..16e4541
--- /dev/null
+++ b/src/utilities/archiveReader.vala
@@ -0,0 +1,123 @@
+/////////////////////////////////////////////////////////////////////////
+// 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();
+ }
+}
+
+}
diff --git a/src/utilities/archiveWriter.vala b/src/utilities/archiveWriter.vala
new file mode 100644
index 0000000..92bd31b
--- /dev/null
+++ b/src/utilities/archiveWriter.vala
@@ -0,0 +1,139 @@
+/////////////////////////////////////////////////////////////////////////
+// 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;
+ }
+}
+
+}
diff --git a/src/utilities/config.vala b/src/utilities/config.vala
index 538602d..5dedddb 100644
--- a/src/utilities/config.vala
+++ b/src/utilities/config.vala
@@ -161,7 +161,9 @@ public class Config : GLib.Object {
load_themes(theme_name);
- if (error_occrured) save();
+ if (error_occrured) {
+ save();
+ }
}
/////////////////////////////////////////////////////////////////////
@@ -177,18 +179,19 @@ public class Config : GLib.Object {
// load global themes
var d = Dir.open(Paths.global_themes);
while ((name = d.read_name()) != null) {
- var theme = new Theme(Paths.global_themes + "/" + name);
+ var new_theme = new Theme(Paths.global_themes + "/" + name);
- if (theme.load())
- themes.add(theme);
+ if (new_theme.load()) {
+ themes.add(new_theme);
+ }
}
// load local themes
d = Dir.open(Paths.local_themes);
while ((name = d.read_name()) != null) {
- var theme = new Theme(Paths.local_themes + "/" + name);
- if (theme.load())
- themes.add(theme);
+ var new_theme = new Theme(Paths.local_themes + "/" + name);
+ if (new_theme.load())
+ themes.add(new_theme);
}
} catch (Error e) {
@@ -211,10 +214,26 @@ public class Config : GLib.Object {
warning("Theme \"" + current + "\" not found! Using fallback...");
}
theme.load_images();
+ } else {
+ error("No theme found!");
}
- else error("No theme found!");
}
+ /////////////////////////////////////////////////////////////////////
+ /// Returns true if a loaded theme has the given name or is in a
+ /// directory with the given name.
+ /////////////////////////////////////////////////////////////////////
+
+ public bool has_theme(string name) {
+
+ foreach (var theme in themes) {
+ if (theme.name == name || theme.directory.has_suffix(name)) {
+ return true;
+ }
+ }
+
+ return false;
+ }
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-20 13:01:29 +0000