mirror of
https://github.com/SerenityOS/serenity
synced 2024-09-19 07:51:39 +00:00
6e7459322d
Having an alias function that only wraps another one is silly, and keeping the more obvious name should flush out more uses of deprecated strings. No behavior change.
76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/*
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* Copyright (c) 2021, Mustafa Quraish <mustafa@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibCore/ArgsParser.h>
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#include <LibCore/Stream.h>
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#include <LibCore/System.h>
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#include <LibDiff/Generator.h>
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#include <LibMain/Main.h>
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#include <unistd.h>
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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TRY(Core::System::pledge("stdio rpath"));
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Core::ArgsParser parser;
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DeprecatedString filename1;
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DeprecatedString filename2;
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parser.add_positional_argument(filename1, "First file to compare", "file1", Core::ArgsParser::Required::Yes);
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parser.add_positional_argument(filename2, "Second file to compare", "file2", Core::ArgsParser::Required::Yes);
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parser.parse(arguments);
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auto file1 = TRY(Core::Stream::File::open(filename1, Core::Stream::OpenMode::Read));
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auto file2 = TRY(Core::Stream::File::open(filename2, Core::Stream::OpenMode::Read));
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bool color_output = TRY(Core::System::isatty(STDOUT_FILENO));
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auto hunks = Diff::from_text(TRY(file1->read_until_eof()), TRY(file2->read_until_eof()));
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for (auto const& hunk : hunks) {
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auto original_start = hunk.original_start_line;
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auto target_start = hunk.target_start_line;
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auto num_added = hunk.added_lines.size();
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auto num_removed = hunk.removed_lines.size();
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StringBuilder sb;
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// Source line(s)
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sb.appendff("{}", original_start);
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if (num_removed > 1)
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sb.appendff(",{}", original_start + num_removed - 1);
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// Action
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if (num_added > 0 && num_removed > 0)
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sb.append('c');
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else if (num_added > 0)
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sb.append('a');
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else
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sb.append('d');
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// Target line(s)
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sb.appendff("{}", target_start);
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if (num_added > 1)
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sb.appendff(",{}", target_start + num_added - 1);
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outln("Hunk: {}", sb.to_deprecated_string());
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for (auto const& line : hunk.removed_lines) {
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if (color_output)
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outln("\033[31;1m< {}\033[0m", line);
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else
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outln("< {}", line);
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}
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if (num_added > 0 && num_removed > 0)
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outln("---");
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for (auto const& line : hunk.added_lines) {
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if (color_output)
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outln("\033[32;1m> {}\033[0m", line);
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else
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outln("> {}", line);
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}
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}
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return hunks.is_empty() ? 0 : 1;
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}
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