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Simplify Buffer::do_insert and Buffer::do_erase

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This commit is contained in:
Maxime Coste 2022-05-18 19:58:37 +10:00
parent a8f289000c
commit 4c7c4a1454
1 changed files with 7 additions and 15 deletions
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22
src/buffer.cc
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@ -414,7 +414,7 @@ BufferRange Buffer::do_insert(BufferCoord pos, StringView content)
if (content[i] == '\n') if (content[i] == '\n')
{ {
StringView line = content.substr(start, i + 1 - start); StringView line = content.substr(start, i + 1 - start);
new_lines.push_back(StringData::create(start == 0 ? prefix + line : line)); new_lines.push_back(start == 0 ? StringData::create({prefix, line}) : StringData::create({line}));
start = i + 1; start = i + 1;
} }
} }
@ -450,22 +450,14 @@ BufferCoord Buffer::do_erase(BufferCoord begin, BufferCoord end)
StringView prefix = m_lines[begin.line].substr(0, begin.column); StringView prefix = m_lines[begin.line].substr(0, begin.column);
StringView suffix = end.line == line_count() ? StringView{} : m_lines[end.line].substr(end.column); StringView suffix = end.line == line_count() ? StringView{} : m_lines[end.line].substr(end.column);
BufferCoord next; auto new_line = (not prefix.empty() or not suffix.empty()) ? StringData::create({prefix, suffix}) : StringDataPtr{};
if (not prefix.empty() or not suffix.empty()) m_lines.erase(m_lines.begin() + (int)begin.line, m_lines.begin() + (int)end.line);
{
auto new_line = StringData::create({prefix, suffix});
m_lines.erase(m_lines.begin() + (int)begin.line, m_lines.begin() + (int)end.line);
m_lines.get_storage(begin.line) = std::move(new_line);
next = begin;
}
else
{
m_lines.erase(m_lines.begin() + (int)begin.line, m_lines.begin() + (int)end.line);
next = begin.line;
}
m_changes.push_back({ Change::Erase, begin, end }); m_changes.push_back({ Change::Erase, begin, end });
return next; if (new_line)
m_lines.get_storage(begin.line) = std::move(new_line);
return begin;
} }
void Buffer::apply_modification(const Modification& modification) void Buffer::apply_modification(const Modification& modification)