mirror of
https://gitlab.gnome.org/GNOME/gitg
synced 2024-06-30 23:29:33 +00:00
118 lines
2.9 KiB
Vala
Executable File
118 lines
2.9 KiB
Vala
Executable File
/*
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*
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* Copyright (C) 2021 - Alberto Fanjul
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*
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* gitg is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* gitg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with gitg. If not, see <http://www.gnu.org/licenses/>.
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*/
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using Ggit;
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namespace Gitg
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{
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public class TextConv
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{
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public static bool has_textconv_command(Repository repository, DiffFile file)
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{
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return get_textconv_command(repository, file) != null;
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}
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private static string? get_textconv_command(Repository repository, DiffFile file)
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{
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string? command = null;
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var path = file.get_path();
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string? diffattr = null;
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try
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{
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diffattr = repository.get_attribute(path, "diff", Ggit.AttributeCheckFlags.FILE_THEN_INDEX);
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} catch {}
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if (diffattr != null)
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{
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var textconv_key = "diff.%s.textconv".printf(diffattr);
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try
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{
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var config = repository.get_config().snapshot();
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command = config.get_string(textconv_key);
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}
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catch (GLib.Error e)
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{
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warning("error getting textconv command: %s\n", e.message);
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}
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}
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return command;
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}
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public static uint8[] get_textconv_content(Repository repository, DiffFile file)
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{
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uint8[] content = "".data;
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if (file != null)
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{
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var oid = file.get_oid();
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uint8[]? raw_content = null;
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if (!oid.is_zero()) {
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try
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{
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var blob = repository.lookup<Ggit.Blob>(oid);
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raw_content = blob.get_raw_content();
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content = get_textconv_content_from_raw(repository, file, raw_content);
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} catch {}
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}
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}
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return content;
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}
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public static uint8[] get_textconv_content_from_raw(Repository repository, DiffFile file, uint8[]? raw_content)
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{
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uint8[] content = "".data;
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if (raw_content != null)
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{
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var command = get_textconv_command(repository, file);
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if (command != null)
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{
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content = textconv(command, raw_content);
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}
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}
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return content;
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}
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private static uint8[] textconv(string command, uint8[]? data)
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{
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string lines = "";
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try
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{
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var subproc = new Subprocess(STDIN_PIPE | STDOUT_PIPE, command, "/dev/stdin");
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var input = new MemoryInputStream.from_data(data, GLib.free);
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subproc.get_stdin_pipe ().splice (input, CLOSE_TARGET);
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var end_pipe = subproc.get_stdout_pipe ();
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var output = new DataInputStream (end_pipe);
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string? line = null;
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do {
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line = output.read_line();
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if (line != null) {
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line = line.replace("\f", "");
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lines += line+"\n";
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}
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} while (line != null);
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} catch {}
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return lines.data;
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}
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}
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}
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// ex:ts=4 noet
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