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LibMarkdown: Add support for Tables

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This adds support for GFM-like tables.
The HTML rendering ignores the alignments and relative sizes, but the
terminal view does not!
This commit is contained in:
AnotherTest 2020-09-20 16:44:03 +04:30 • committed by Andreas Kling
parent 7640cb8ec4
commit 176a2f193c
4 changed files with 309 additions and 1 deletions
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64
Libraries/LibMarkdown/Table.h Normal file
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/*
* Copyright (c) 2020, the SerenityOS developers.
* 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.
*/
#pragma once
#include <AK/NonnullOwnPtrVector.h>
#include <AK/OwnPtr.h>
#include <LibMarkdown/Block.h>
#include <LibMarkdown/Text.h>
namespace Markdown {
class Table final : public Block {
public:
enum class Alignment {
Center,
Left,
Right,
};
struct Column {
Text header;
Vector<Text> rows;
Alignment alignment { Alignment::Left };
size_t relative_width { 0 };
};
Table() { }
virtual ~Table() override { }
virtual String render_to_html() const override;
virtual String render_for_terminal(size_t view_width = 0) const override;
static OwnPtr<Table> parse(Vector<StringView>::ConstIterator& lines);
private:
Vector<Column> m_columns;
size_t m_total_width { 1 };
size_t m_row_count { 0 };
};
}