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https://github.com/mawww/kakoune.git
synced 2024-12-24 03:56:32 +03:00
Cleanup replaced range selection logic
Do not access Buffer::m_changes to find the inserted range, return it directly from Buffer::insert and Buffer::replace. This fixes a wrong behaviour where replacing at eof would lose the selected end of line (as the implementation does not actually replace that end of line)
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@ -444,12 +444,12 @@ void Buffer::check_invariant() const
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#endif
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}
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BufferCoord Buffer::do_insert(BufferCoord pos, StringView content)
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BufferRange Buffer::do_insert(BufferCoord pos, StringView content)
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{
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kak_assert(is_valid(pos));
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if (content.empty())
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return pos;
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return {pos, pos};
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const bool at_end = is_end(pos);
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const bool append_lines = at_end and (m_lines.empty() or byte_at(back_coord()) == '\n');
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@ -489,7 +489,7 @@ BufferCoord Buffer::do_insert(BufferCoord pos, StringView content)
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: BufferCoord{ last_line, m_lines[last_line].length() - suffix.length() };
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m_changes.push_back({ Change::Insert, pos, end });
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return end;
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return {pos, end};
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}
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BufferCoord Buffer::do_erase(BufferCoord begin, BufferCoord end)
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@ -543,13 +543,13 @@ void Buffer::apply_modification(const Modification& modification)
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}
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}
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BufferCoord Buffer::insert(BufferCoord pos, StringView content)
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BufferRange Buffer::insert(BufferCoord pos, StringView content)
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{
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throw_if_read_only();
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kak_assert(is_valid(pos));
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if (content.empty())
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return pos;
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return {pos, pos};
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StringDataPtr real_content;
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if (is_end(pos) and content.back() != '\n')
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@ -584,21 +584,20 @@ BufferCoord Buffer::erase(BufferCoord begin, BufferCoord end)
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return do_erase(begin, end);
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}
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BufferCoord Buffer::replace(BufferCoord begin, BufferCoord end, StringView content)
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BufferRange Buffer::replace(BufferCoord begin, BufferCoord end, StringView content)
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{
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throw_if_read_only();
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if (std::equal(iterator_at(begin), iterator_at(end), content.begin(), content.end()))
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return {begin, end};
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if (is_end(end) and not content.empty() and content.back() == '\n')
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{
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end = back_coord();
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content = content.substr(0, content.length() - 1);
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auto pos = insert(erase(begin, back_coord()),
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content.substr(0, content.length() - 1)).begin;
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return {pos, end_coord()};
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}
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if (std::equal(iterator_at(begin), iterator_at(end), content.begin(), content.end()))
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return begin;
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auto pos = erase(begin, end);
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return insert(pos, content);
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return insert(erase(begin, end), content);
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}
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bool Buffer::is_modified() const
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@ -7,6 +7,7 @@
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#include "enum.hh"
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#include "file.hh"
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#include "optional.hh"
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#include "range.hh"
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#include "safe_ptr.hh"
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#include "scope.hh"
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#include "shared_string.hh"
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@ -103,6 +104,7 @@ private:
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};
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using BufferLines = Vector<StringDataPtr, MemoryDomain::BufferContent>;
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using BufferRange = Range<BufferCoord>;
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// A Buffer is a in-memory representation of a file
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//
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@ -139,9 +141,9 @@ public:
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bool set_name(String name);
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void update_display_name();
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BufferCoord insert(BufferCoord pos, StringView content);
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BufferRange insert(BufferCoord pos, StringView content);
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BufferCoord erase(BufferCoord begin, BufferCoord end);
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BufferCoord replace(BufferCoord begin, BufferCoord end, StringView content);
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BufferRange replace(BufferCoord begin, BufferCoord end, StringView content);
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size_t timestamp() const;
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void set_fs_status(FsStatus);
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@ -231,7 +233,7 @@ public:
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private:
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void on_option_changed(const Option& option) override;
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BufferCoord do_insert(BufferCoord pos, StringView content);
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BufferRange do_insert(BufferCoord pos, StringView content);
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BufferCoord do_erase(BufferCoord begin, BufferCoord end);
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struct Modification;
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@ -20,7 +20,7 @@ inline BufferCoord erase(Buffer& buffer, const Selection& range)
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return buffer.erase(range.min(), buffer.char_next(range.max()));
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}
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inline BufferCoord replace(Buffer& buffer, const Selection& range, StringView content)
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inline BufferRange replace(Buffer& buffer, const Selection& range, StringView content)
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{
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return buffer.replace(range.min(), buffer.char_next(range.max()), content);
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}
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@ -524,7 +524,7 @@ BufferCoord apply_diff(Buffer& buffer, BufferCoord pos, StringView before, Strin
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break;
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case DiffOp::Add:
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pos = buffer.insert(pos, {lines_after[posB].begin(),
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lines_after[posB + len - 1].end()});
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lines_after[posB + len - 1].end()}).end;
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break;
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case DiffOp::Remove:
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pos = buffer.erase(pos, buffer.advance(pos, byte_count(lines_before, posA, len)));
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@ -407,38 +407,24 @@ void SelectionList::insert(ConstArrayView<String> strings, InsertMode mode,
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sel.min() : changes_tracker.get_new_coord(insert_pos[index]);
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if (mode == InsertMode::Replace)
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replace(*m_buffer, sel, str);
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{
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auto range = replace(*m_buffer, sel, str);
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// we want min and max from *before* we do any change
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auto& min = sel.min();
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auto& max = sel.max();
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min = range.begin;
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max = m_buffer->char_prev(range.end);
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}
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else
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m_buffer->insert(pos, str);
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{
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auto range = m_buffer->insert(pos, str);
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sel.anchor() = m_buffer->clamp(update_insert(sel.anchor(), range.begin, range.end));
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sel.cursor() = m_buffer->clamp(update_insert(sel.cursor(), range.begin, range.end));
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}
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size_t old_timestamp = m_timestamp;
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changes_tracker.update(*m_buffer, m_timestamp);
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if (out_insert_pos)
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out_insert_pos->push_back(pos);
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if (mode == InsertMode::Replace)
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{
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auto changes = m_buffer->changes_since(old_timestamp);
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if (changes.size() == 1) // Nothing got inserted, either str was empty, or just \n at end of buffer
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sel.anchor() = sel.cursor() = m_buffer->clamp(pos);
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else if (changes.size() == 2)
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{
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// we want min and max from *before* we do any change
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auto& min = sel.min();
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auto& max = sel.max();
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min = changes.back().begin;
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max = m_buffer->char_prev(changes.back().end);
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}
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else
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kak_assert(changes.empty());
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}
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else if (not str.empty())
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{
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auto& change = m_buffer->changes_since(0).back();
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sel.anchor() = m_buffer->clamp(update_insert(sel.anchor(), change.begin, change.end));
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sel.cursor() = m_buffer->clamp(update_insert(sel.cursor(), change.begin, change.end));
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}
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}
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// We might just have been deleting text if strings were empty,
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1
test/regression/0-rotate-at-eof-mutates-selection/cmd
Normal file
1
test/regression/0-rotate-at-eof-mutates-selection/cmd
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@ -0,0 +1 @@
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%<a-s><a-)><a-)>
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3
test/regression/0-rotate-at-eof-mutates-selection/in
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3
test/regression/0-rotate-at-eof-mutates-selection/in
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@ -0,0 +1,3 @@
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foo
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bar
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baz
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3
test/regression/0-rotate-at-eof-mutates-selection/out
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3
test/regression/0-rotate-at-eof-mutates-selection/out
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@ -0,0 +1,3 @@
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bar
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baz
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foo
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