mirror of
https://github.com/SerenityOS/serenity
synced 2024-07-22 02:26:11 +00:00
e44abaa777
This commit converts render_to_terminal from DeprecatedString to return an ErrorOr<String>. This is to aid moving `man` away from DeprecatedString. I have opted not to convert render_to_html and render_to_inline_html for now to keep this commit as small as possible.
67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
/*
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* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@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 <AK/DeprecatedString.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/File.h>
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#include <LibCore/System.h>
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#include <LibMain/Main.h>
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#include <LibMarkdown/Document.h>
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#include <sys/ioctl.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 tty"));
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StringView filename;
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bool html = false;
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int view_width = 0;
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Core::ArgsParser args_parser;
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args_parser.set_general_help("Render Markdown to some other format.");
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args_parser.add_option(html, "Render to HTML rather than for the terminal", "html", 'H');
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args_parser.add_option(view_width, "Viewport width for the terminal (defaults to current terminal width)", "view-width", 0, "width");
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args_parser.add_positional_argument(filename, "Path to Markdown file", "path", Core::ArgsParser::Required::No);
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args_parser.parse(arguments);
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if (!html && view_width == 0) {
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if (isatty(STDOUT_FILENO)) {
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struct winsize ws;
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if (ioctl(STDERR_FILENO, TIOCGWINSZ, &ws) < 0)
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view_width = 80;
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else
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view_width = ws.ws_col;
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} else {
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view_width = 80;
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}
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}
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auto file = TRY(Core::File::open_file_or_standard_stream(filename, Core::File::OpenMode::Read));
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TRY(Core::System::pledge("stdio"));
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auto buffer = TRY(file->read_until_eof());
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dbgln("Read size {}", buffer.size());
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auto input = DeprecatedString::copy(buffer);
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auto document = Markdown::Document::parse(input);
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if (!document) {
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warnln("Error parsing Markdown document");
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return 1;
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}
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if (html) {
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out("{}", document->render_to_html());
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} else {
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out("{}", TRY(document->render_for_terminal(view_width)));
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}
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return 0;
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}
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