diff options
Diffstat (limited to 'src/buffer.cc')
| -rw-r--r-- | src/buffer.cc | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/buffer.cc b/src/buffer.cc index f0205c54..0b943207 100644 --- a/src/buffer.cc +++ b/src/buffer.cc @@ -20,6 +20,23 @@ namespace Kakoune { +void fix_links(BufferLines& lines, StringData* sentinel) +{ + StringData* prev = nullptr; + for (auto& ptr : lines) + { + ptr->prev = prev; + if (prev) + prev->next = ptr.get(); + prev = ptr.get(); + } + if (prev) + { + prev->next = sentinel; + sentinel->prev = prev; + } +} + Buffer::HistoryNode::HistoryNode(HistoryId parent) : parent{parent}, committed{Clock::now()} {} @@ -42,6 +59,7 @@ Buffer::Buffer(String name, Flags flags, BufferLines lines, line->data()[line->length-1] == '\n'); #endif static_cast<BufferLines&>(m_lines) = std::move(lines); + fix_links(m_lines, m_sentinel.get()); m_changes.push_back({ Change::Insert, {0,0}, line_count() }); @@ -271,6 +289,7 @@ void Buffer::reload(BufferLines lines, ByteOrderMark bom, EolFormat eolformat, F m_lines.erase(write_it, m_lines.end()); } + fix_links(m_lines, m_sentinel.get()); commit_undo_group(); options().get_local_option("eolformat").set(eolformat); @@ -452,6 +471,7 @@ BufferRange Buffer::do_insert(BufferCoord pos, StringView content) const auto end = at_end ? line_count() : BufferCoord{ last_line, m_lines[last_line].length() - suffix.length() }; + fix_links(m_lines, m_sentinel.get()); m_changes.push_back({ Change::Insert, pos, end }); return {pos, end}; } @@ -473,6 +493,7 @@ BufferCoord Buffer::do_erase(BufferCoord begin, BufferCoord end) if (new_line) m_lines.get_storage(begin.line) = std::move(new_line); + fix_links(m_lines, m_sentinel.get()); return begin; } |