89 lines
3.1 KiB
C++
89 lines
3.1 KiB
C++
/*
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* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
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* Copyright (c) 2021, Mustafa Quraish <mustafa@serenityos.org>
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* Copyright (c) 2023, Shannon Booth <shannon.ml.booth@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "Format.h"
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#include <AK/DeprecatedString.h>
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#include <AK/Stream.h>
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#include <AK/StringBuilder.h>
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#include <AK/Vector.h>
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namespace Diff {
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DeprecatedString generate_only_additions(StringView text)
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{
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auto lines = text.split_view('\n', SplitBehavior::KeepEmpty);
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StringBuilder builder;
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builder.appendff("@@ -0,0 +1,{} @@\n", lines.size());
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for (auto const& line : lines) {
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builder.appendff("+{}\n", line);
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}
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return builder.to_deprecated_string();
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}
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ErrorOr<void> write_unified(Hunk const& hunk, Stream& stream, ColorOutput color_output)
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{
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TRY(stream.write_formatted("{}\n", hunk.location));
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if (color_output == ColorOutput::Yes) {
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for (auto const& line : hunk.lines) {
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if (line.operation == Line::Operation::Addition)
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TRY(stream.write_formatted("\033[32;1m{}\033[0m\n", line));
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else if (line.operation == Line::Operation::Removal)
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TRY(stream.write_formatted("\033[31;1m{}\033[0m\n", line));
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else
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TRY(stream.write_formatted("{}\n", line));
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}
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} else {
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for (auto const& line : hunk.lines)
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TRY(stream.write_formatted("{}\n", line));
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}
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return {};
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}
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ErrorOr<void> write_normal(Hunk const& hunk, Stream& stream, ColorOutput color_output)
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{
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// Source line(s)
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TRY(stream.write_formatted("{}", hunk.location.old_range.start_line));
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if (hunk.location.old_range.number_of_lines > 1)
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TRY(stream.write_formatted(",{}", (hunk.location.old_range.start_line + hunk.location.old_range.number_of_lines - 1)));
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// Action
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if (hunk.location.old_range.number_of_lines > 0 && hunk.location.new_range.number_of_lines > 0)
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TRY(stream.write_formatted("c"));
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else if (hunk.location.new_range.number_of_lines > 0)
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TRY(stream.write_formatted("a"));
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else
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TRY(stream.write_formatted("d"));
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// Target line(s)
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TRY(stream.write_formatted("{}", hunk.location.new_range.start_line));
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if (hunk.location.new_range.number_of_lines > 1)
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TRY(stream.write_formatted(",{}", (hunk.location.new_range.start_line + hunk.location.new_range.number_of_lines - 1)));
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TRY(stream.write_formatted("\n"));
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for (auto const& line : hunk.lines) {
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VERIFY(line.operation == Line::Operation::Removal || line.operation == Line::Operation::Addition);
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if (line.operation == Line::Operation::Addition) {
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if (color_output == ColorOutput::Yes)
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TRY(stream.write_formatted("\033[32;1m> {}\033[0m\n", line.content));
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else
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TRY(stream.write_formatted("> {}\n", line.content));
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} else {
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if (color_output == ColorOutput::Yes)
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TRY(stream.write_formatted("\033[31;1m< {}\033[0m\n", line.content));
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else
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TRY(stream.write_formatted("< {}\n", line.content));
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}
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}
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return {};
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}
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}
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