pamac-classic/src/mirrors_config.vala

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Vala
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/*
* pamac-vala
*
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* Copyright (C) 2014-2015 Guillaume Benoit <guillaume@manjaro.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 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 get of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Alpm {
public class MirrorsConfig: Object {
string conf_path;
string mirrorlists_dir;
public string choosen_generation_method;
public string choosen_country;
public GLib.List<string> countrys;
public MirrorsConfig (string path) {
conf_path = path;
reload ();
}
public void reload () {
// set default options
choosen_generation_method = "rank";
choosen_country = dgettext (null, "Worldwide");
mirrorlists_dir = "/etc/pacman.d/mirrors";
parse_file (conf_path);
}
public void get_countrys () {
try {
var directory = GLib.File.new_for_path (mirrorlists_dir);
var enumerator = directory.enumerate_children (FileAttribute.STANDARD_NAME, 0);
FileInfo file_info;
countrys = new GLib.List<string> ();
while ((file_info = enumerator.next_file ()) != null) {
countrys.append(file_info.get_name ());
}
countrys.sort ((a, b) => {
return strcmp (a, b);
});
} catch (Error e) {
stderr.printf ("%s\n", e.message);
}
}
public void parse_file (string path) {
var file = GLib.File.new_for_path (path);
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if (file.query_exists () == false) {
GLib.stderr.printf ("File '%s' doesn't exist.\n", path);
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} else {
try {
// Open file for reading and wrap returned FileInputStream into a
// DataInputStream, so we can read line by line
var dis = new DataInputStream (file.read ());
string line;
// Read lines until end of file (null) is reached
while ((line = dis.read_line (null)) != null) {
line = line.strip ();
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if (line.length == 0) {
continue;
}
if (line[0] == '#') {
continue;
}
string[] splitted = line.split ("=");
string _key = splitted[0].strip ();
string _value = null;
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if (splitted[1] != null) {
_value = splitted[1].strip ();
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}
if (_key == "Method") {
choosen_generation_method = _value;
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} else if (_key == "OnlyCountry") {
choosen_country = _value;
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} else if (_key == "MirrorlistsDir") {
mirrorlists_dir = _value.replace ("\"", "");
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}
}
} catch (Error e) {
GLib.stderr.printf("%s\n", e.message);
}
}
}
public void write (HashTable<string,Variant> new_conf) {
var file = GLib.File.new_for_path (conf_path);
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if (file.query_exists () == false) {
GLib.stderr.printf ("File '%s' doesn't exist.\n", file.get_path ());
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} else {
try {
// Open file for reading and wrap returned FileInputStream into a
// DataInputStream, so we can read line by line
var dis = new DataInputStream (file.read ());
string line;
string[] data = {};
// Read lines until end of file (null) is reached
while ((line = dis.read_line (null)) != null) {
if (line.contains ("Method")) {
if (new_conf.contains ("Method")) {
string _value = new_conf.get ("Method").get_string ();
data += "Method=%s\n".printf (_value);
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} else {
data += line + "\n";
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}
} else if (line.contains ("OnlyCountry")) {
if (new_conf.contains ("OnlyCountry")) {
string _value = new_conf.get ("OnlyCountry").get_string ();
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if (_value == dgettext (null, "Worldwide")) {
data += "#%s\n".printf (line);
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} else {
data += "OnlyCountry=%s\n".printf (_value);
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}
} else {
data += line + "\n";
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}
} else {
data += line + "\n";
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}
}
// delete the file before rewrite it
file.delete ();
// creating a DataOutputStream to the file
var dos = new DataOutputStream (file.create (FileCreateFlags.REPLACE_DESTINATION));
foreach (string new_line in data) {
// writing a short string to the stream
dos.put_string (new_line);
}
} catch (GLib.Error e) {
GLib.stderr.printf("%s\n", e.message);
}
}
}
}
}