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LibMarkdown: Render slugified anchor tag in heading

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Because slugify function accepts AK::String, which can hold unicode
code_points as well, heading text is normalised to ensure with NFD
form to ensure same binary respresentation of a particular string.
This commit is contained in:
Gurkirat Singh 2023-09-28 00:28:32 +05:30 • committed by Sam Atkins
parent f1b79e0cd3
commit da8a3f9ff2
2 changed files with 6 additions and 2 deletions
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2
Userland/Libraries/LibMarkdown/CMakeLists.txt
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@ -15,4 +15,4 @@ set(SOURCES
)
serenity_lib(LibMarkdown markdown)
target_link_libraries(LibMarkdown PRIVATE LibJS LibRegex LibSyntax)
target_link_libraries(LibMarkdown PRIVATE LibUnicode LibJS LibRegex LibSyntax)

6
Userland/Libraries/LibMarkdown/Heading.cpp
View file

@ -4,15 +4,19 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Slugify.h>
#include <AK/StringBuilder.h>
#include <LibMarkdown/Heading.h>
#include <LibMarkdown/Visitor.h>
#include <LibUnicode/Normalize.h>
namespace Markdown {
DeprecatedString Heading::render_to_html(bool) const
{
return DeprecatedString::formatted("<h{}>{}</h{}>\n", m_level, m_text.render_to_html(), m_level);
auto input = Unicode::normalize(m_text.render_for_raw_print().view(), Unicode::NormalizationForm::NFD);
auto slugified = MUST(AK::slugify(input));
return DeprecatedString::formatted("<h{} id='{}'><a href='#{}'>#</a> {}</h{}>\n", m_level, slugified, slugified, m_text.render_to_html(), m_level);
}
Vector<DeprecatedString> Heading::render_lines_for_terminal(size_t) const