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/*
* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@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/StringBuilder.h>
#include <LibMarkdown/Paragraph.h>
namespace Markdown {
String Paragraph::render_to_html() const
{
StringBuilder builder;
builder.appendf("<p>");
builder.append(m_text.render_to_html());
builder.appendf("</p>\n");
return builder.build();
}
String Paragraph::render_for_terminal() const
{
StringBuilder builder;
builder.append(m_text.render_for_terminal());
builder.appendf("\n\n");
return builder.build();
}
OwnPtr<Paragraph> Paragraph::parse(Vector<StringView>::ConstIterator& lines)
{
if (lines.is_end())
return nullptr;
bool first = true;
StringBuilder builder;
while (true) {
if (lines.is_end())
break;
StringView line = *lines;
if (line.is_empty())
break;
char ch = line[0];
// See if it looks like a blockquote
// or like an indented block.
if (ch == '>' || ch == ' ')
break;
if (line.length() > 1) {
// See if it looks like a heading.
if (ch == '#' && (line[1] == '#' || line[1] == ' '))
break;
// See if it looks like a code block.
if (ch == '`' && line[1] == '`')
break;
// See if it looks like a list.
if (ch == '*' || ch == '-')
if (line[1] == ' ')
break;
}
if (!first)
builder.append(' ');
builder.append(line);
first = false;
++lines;
}
if (first)
return nullptr;
auto text = Text::parse(builder.build());
if (!text.has_value())
return nullptr;
return make<Paragraph>(move(text.value()));
}
}
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