mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 21:07:35 +00:00
LibMarkdown: Parse horizontal rules
A horizontal rule is generated by a line with three or more of these characters: '*', '-', '_'.
This commit is contained in:
parent
888a93e0f6
commit
042890d319
4 changed files with 120 additions and 1 deletions
69
Libraries/LibMarkdown/HorizontalRule.cpp
Normal file
69
Libraries/LibMarkdown/HorizontalRule.cpp
Normal file
|
@ -0,0 +1,69 @@
|
|||
/*
|
||||
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <AK/String.h>
|
||||
#include <AK/StringBuilder.h>
|
||||
#include <LibMarkdown/HorizontalRule.h>
|
||||
|
||||
namespace Markdown {
|
||||
|
||||
String HorizontalRule::render_to_html() const
|
||||
{
|
||||
return "<hr>\n";
|
||||
}
|
||||
|
||||
String HorizontalRule::render_for_terminal(size_t view_width) const
|
||||
{
|
||||
StringBuilder builder(view_width + 1);
|
||||
for (size_t i = 0; i < view_width; ++i)
|
||||
builder.append('-');
|
||||
builder.append("\n\n");
|
||||
return builder.to_string();
|
||||
}
|
||||
|
||||
OwnPtr<HorizontalRule> HorizontalRule::parse(Vector<StringView>::ConstIterator& lines)
|
||||
{
|
||||
if (lines.is_end())
|
||||
return nullptr;
|
||||
|
||||
const StringView& line = *lines;
|
||||
|
||||
if (line.length() < 3)
|
||||
return nullptr;
|
||||
if (!line.starts_with('-') && !line.starts_with('_') && !line.starts_with('*'))
|
||||
return nullptr;
|
||||
|
||||
auto first_character = line.characters_without_null_termination()[0];
|
||||
for (auto ch : line) {
|
||||
if (ch != first_character)
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
++lines;
|
||||
return make<HorizontalRule>();
|
||||
}
|
||||
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue