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d2f9fee4ab
This also improves Commonmark coverage, e.g. it fixes tests HTML_blocks_ex179_2894..2906 and Lists_ex308_5439..5457. In other words, we go from 271 out of 652 to 273 out of 652.
75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
/*
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* Copyright (c) 2021, Ben Wiederhake <BenWiederhake.GitHub@gmx.de>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/StringBuilder.h>
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#include <LibMarkdown/CommentBlock.h>
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#include <LibMarkdown/Visitor.h>
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namespace Markdown {
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String CommentBlock::render_to_html(bool) const
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{
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StringBuilder builder;
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builder.append("<!--");
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builder.append(escape_html_entities(m_comment));
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// TODO: This is probably incorrect, because we technically need to escape "--" in some form. However, Browser does not care about this.
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builder.append("-->\n");
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return builder.build();
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}
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String CommentBlock::render_for_terminal(size_t) const
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{
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return "";
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}
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RecursionDecision CommentBlock::walk(Visitor& visitor) const
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{
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RecursionDecision rd = visitor.visit(*this);
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if (rd != RecursionDecision::Recurse)
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return rd;
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// Normalize return value.
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return RecursionDecision::Continue;
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}
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OwnPtr<CommentBlock> CommentBlock::parse(LineIterator& lines)
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{
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if (lines.is_end())
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return {};
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constexpr auto comment_start = "<!--"sv;
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constexpr auto comment_end = "-->"sv;
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StringView line = *lines;
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if (!line.starts_with(comment_start))
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return {};
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line = line.substring_view(comment_start.length());
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StringBuilder builder;
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while (true) {
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// Invariant: At the beginning of the loop, `line` is valid and should be added the the builder.
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bool ends_here = line.ends_with(comment_end);
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if (ends_here)
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line = line.substring_view(0, line.length() - comment_end.length());
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builder.append(line);
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if (!ends_here)
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builder.append('\n');
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++lines;
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if (lines.is_end() || ends_here) {
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break;
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}
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line = *lines;
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}
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return make<CommentBlock>(builder.build());
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}
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}
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