mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-29 11:00:29 +00:00
75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
/*
|
|
* Copyright (c) 2021, Mustafa Quraish <mustafa@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibCore/ArgsParser.h>
|
|
#include <LibCore/File.h>
|
|
#include <LibCore/System.h>
|
|
#include <LibDiff/Generator.h>
|
|
#include <LibMain/Main.h>
|
|
#include <unistd.h>
|
|
|
|
ErrorOr<int> serenity_main(Main::Arguments arguments)
|
|
{
|
|
TRY(Core::System::pledge("stdio rpath"));
|
|
|
|
Core::ArgsParser parser;
|
|
DeprecatedString filename1;
|
|
DeprecatedString filename2;
|
|
|
|
parser.add_positional_argument(filename1, "First file to compare", "file1", Core::ArgsParser::Required::Yes);
|
|
parser.add_positional_argument(filename2, "Second file to compare", "file2", Core::ArgsParser::Required::Yes);
|
|
parser.parse(arguments);
|
|
|
|
auto file1 = TRY(Core::File::open(filename1, Core::File::OpenMode::Read));
|
|
auto file2 = TRY(Core::File::open(filename2, Core::File::OpenMode::Read));
|
|
|
|
bool color_output = TRY(Core::System::isatty(STDOUT_FILENO));
|
|
|
|
auto hunks = Diff::from_text(TRY(file1->read_until_eof()), TRY(file2->read_until_eof()));
|
|
for (auto const& hunk : hunks) {
|
|
auto original_start = hunk.original_start_line;
|
|
auto target_start = hunk.target_start_line;
|
|
auto num_added = hunk.added_lines.size();
|
|
auto num_removed = hunk.removed_lines.size();
|
|
|
|
StringBuilder sb;
|
|
// Source line(s)
|
|
sb.appendff("{}", original_start);
|
|
if (num_removed > 1)
|
|
sb.appendff(",{}", original_start + num_removed - 1);
|
|
|
|
// Action
|
|
if (num_added > 0 && num_removed > 0)
|
|
sb.append('c');
|
|
else if (num_added > 0)
|
|
sb.append('a');
|
|
else
|
|
sb.append('d');
|
|
|
|
// Target line(s)
|
|
sb.appendff("{}", target_start);
|
|
if (num_added > 1)
|
|
sb.appendff(",{}", target_start + num_added - 1);
|
|
|
|
outln("Hunk: {}", sb.to_deprecated_string());
|
|
for (auto const& line : hunk.removed_lines) {
|
|
if (color_output)
|
|
outln("\033[31;1m< {}\033[0m", line);
|
|
else
|
|
outln("< {}", line);
|
|
}
|
|
if (num_added > 0 && num_removed > 0)
|
|
outln("---");
|
|
for (auto const& line : hunk.added_lines) {
|
|
if (color_output)
|
|
outln("\033[32;1m> {}\033[0m", line);
|
|
else
|
|
outln("> {}", line);
|
|
}
|
|
}
|
|
|
|
return hunks.is_empty() ? 0 : 1;
|
|
}
|