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/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/NonnullRefPtr.h>
#include <AK/String.h>
#include <AK/StringBuilder.h>
#include <AK/Vector.h>
#include <LibGemini/Document.h>
namespace Gemini {
String Document::render_to_html() const
{
StringBuilder html_builder;
html_builder.append("<!DOCTYPE html>\n<html>\n");
html_builder.append("<head>\n<title>");
html_builder.append(m_url.path());
html_builder.append("</title>\n</head>\n");
html_builder.append("<body>\n");
for (auto& line : m_lines) {
html_builder.append(line.render_to_html());
}
html_builder.append("</body>");
html_builder.append("</html>");
return html_builder.build();
}
NonnullRefPtr<Document> Document::parse(const StringView& lines, const URL& url)
{
auto document = adopt_ref(*new Document(url));
document->read_lines(lines);
return document;
}
void Document::read_lines(const StringView& source)
{
auto close_list_if_needed = [&] {
if (m_inside_unordered_list) {
m_inside_unordered_list = false;
m_lines.append(make<Control>(Control::UnorderedListEnd));
}
};
for (auto& line : source.lines()) {
if (line.starts_with("```")) {
close_list_if_needed();
m_inside_preformatted_block = !m_inside_preformatted_block;
if (m_inside_preformatted_block) {
m_lines.append(make<Control>(Control::PreformattedStart));
} else {
m_lines.append(make<Control>(Control::PreformattedEnd));
}
continue;
}
if (m_inside_preformatted_block) {
m_lines.append(make<Preformatted>(move(line)));
continue;
}
if (line.starts_with("*")) {
if (!m_inside_unordered_list)
m_lines.append(make<Control>(Control::UnorderedListStart));
m_lines.append(make<UnorderedList>(move(line)));
m_inside_unordered_list = true;
continue;
}
close_list_if_needed();
if (line.starts_with("=>")) {
m_lines.append(make<Link>(move(line), *this));
continue;
}
if (line.starts_with("#")) {
size_t level = 0;
while (line.length() > level && line[level] == '#')
++level;
m_lines.append(make<Heading>(move(line), level));
continue;
}
m_lines.append(make<Text>(move(line)));
}
}
}
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