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51 lines
1.7 KiB
C++
51 lines
1.7 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/File.h>
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#include <LibDiff/Generator.h>
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#include <unistd.h>
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int main(int argc, char** argv)
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{
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if (pledge("stdio rpath", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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Core::ArgsParser parser;
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char const* filename1;
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char const* 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(argc, argv, Core::ArgsParser::FailureBehavior::PrintUsageAndExit);
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auto file1 = Core::File::construct(filename1);
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if (!file1->open(Core::OpenMode::ReadOnly)) {
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warnln("Error: Cannot open {}: {}", filename1, file1->error_string());
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return 1;
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}
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auto file2 = Core::File::construct(filename2);
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if (!file2->open(Core::OpenMode::ReadOnly)) {
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warnln("Error: Cannot open {}: {}", filename2, file2->error_string());
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return 1;
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}
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auto hunks = Diff::from_text(file1->read_all(), file2->read_all());
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for (const auto& hunk : hunks) {
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outln("Hunk: {}, {}", hunk.original_start_line, hunk.target_start_line);
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for (const auto& line : hunk.removed_lines) {
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outln("\033[31;1m< {}\033[0m", line);
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}
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if (hunk.added_lines.size() > 0 && hunk.removed_lines.size() > 0)
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outln("---");
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for (const auto& line : hunk.added_lines)
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outln("\033[32;1m> {}\033[0m", line);
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}
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return hunks.is_empty() ? 0 : 1;
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}
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