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https://github.com/LadybirdBrowser/ladybird.git
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08585bc7e9
For
```foo
asdf
jkl;
```bar
we would previously generate
<pre>foo
f
;
</pre>
```bar
Now we generate
<pre>
asdf
jkl;
</pre>
* no longer cut off the first 3 characters on most lines.
* don't include the closing ``` line in the output. in addition to
omitting the '```', this also honors "Any text following the leading
"```" of a preformat toggle line which toggles preformatted mode off
MUST be ignored by clients." from the spec
* ignore the alt text after the toggle-on text. the spec leaves it to
the client what to do with that alt text, but it tends to be metadata,
and omitting it is simplest for the implementation, so do that.
Improves ascii art on many gemini pages, e.g. gemini://carcosa.net/
113 lines
3.8 KiB
C++
113 lines
3.8 KiB
C++
/*
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* Copyright (c) 2020, The SerenityOS developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/NonnullRefPtr.h>
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#include <AK/String.h>
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#include <AK/StringBuilder.h>
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#include <AK/Vector.h>
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#include <LibGemini/Document.h>
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namespace Gemini {
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String Document::render_to_html() const
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{
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StringBuilder html_builder;
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html_builder.append("<!DOCTYPE html>\n<html>\n");
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html_builder.append("<head>\n<title>");
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html_builder.append(m_url.path());
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html_builder.append("</title>\n</head>\n");
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html_builder.append("<body>\n");
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for (auto& line : m_lines) {
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html_builder.append(line.render_to_html());
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}
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html_builder.append("</body>");
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html_builder.append("</html>");
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return html_builder.build();
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}
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NonnullRefPtr<Document> Document::parse(const StringView& lines, const URL& url)
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{
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auto document = adopt(*new Document(url));
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document->read_lines(lines);
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return document;
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}
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void Document::read_lines(const StringView& source)
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{
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auto close_list_if_needed = [&] {
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if (m_inside_unordered_list) {
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m_inside_unordered_list = false;
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m_lines.append(make<Control>(Control::UnorderedListEnd));
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}
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};
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for (auto& line : source.lines()) {
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if (line.starts_with("```")) {
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close_list_if_needed();
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m_inside_preformatted_block = !m_inside_preformatted_block;
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if (m_inside_preformatted_block) {
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m_lines.append(make<Control>(Control::PreformattedStart));
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} else {
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m_lines.append(make<Control>(Control::PreformattedEnd));
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}
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continue;
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}
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if (m_inside_preformatted_block) {
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m_lines.append(make<Preformatted>(move(line)));
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continue;
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}
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if (line.starts_with("*")) {
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if (!m_inside_unordered_list)
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m_lines.append(make<Control>(Control::UnorderedListStart));
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m_lines.append(make<UnorderedList>(move(line)));
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m_inside_unordered_list = true;
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continue;
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}
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close_list_if_needed();
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if (line.starts_with("=>")) {
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m_lines.append(make<Link>(move(line), *this));
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continue;
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}
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if (line.starts_with("#")) {
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size_t level = 0;
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while (line.length() > level && line[level] == '#')
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++level;
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m_lines.append(make<Heading>(move(line), level));
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continue;
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}
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m_lines.append(make<Text>(move(line)));
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}
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}
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}
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