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LibMarkdown: Change internal MD API to return OwnPtrs

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Previously, all Markdown blocks had a virtual parse method which has
been swapped out for a static parse method returning an OwnPtr of
that block's type.

The Text class also now has a static parse method that will return an
Optional<Text>.
This commit is contained in:
FalseHonesty 2020-05-18 16:58:00 -04:00 • committed by Andreas Kling
parent 7ca562b200
commit 20faa93cb0
15 changed files with 110 additions and 64 deletions
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24
Libraries/LibMarkdown/Heading.cpp
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@ -59,26 +59,30 @@ String Heading::render_for_terminal() const
return builder.build();
}
bool Heading::parse(Vector<StringView>::ConstIterator& lines)
OwnPtr<Heading> Heading::parse(Vector<StringView>::ConstIterator& lines)
{
if (lines.is_end())
return false;
return nullptr;
const StringView& line = *lines;
size_t level;
for (m_level = 0; m_level < (int)line.length(); m_level++)
if (line[(size_t)m_level] != '#')
for (level = 0; level < line.length(); level++)
if (line[level] != '#')
break;
if (m_level >= (int)line.length() || line[(size_t)m_level] != ' ')
return false;
if (level >= line.length() || line[level] != ' ')
return nullptr;
StringView title_view = line.substring_view((size_t)m_level + 1, line.length() - (size_t)m_level - 1);
bool success = m_text.parse(title_view);
ASSERT(success);
StringView title_view = line.substring_view(level + 1, line.length() - level - 1);
auto text = Text::parse(title_view);
if (!text.has_value())
return nullptr;
auto heading = make<Heading>(move(text.value()), level);
++lines;
return true;
return heading;
}
}