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rework selection insert/replace using a for_each method

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expose that method so that various commands can take advantage of
it for performance or simplicity purposes.
This commit is contained in:
Maxime Coste 2021-09-29 21:28:30 +10:00
parent 05fb07fbc6
commit 5f8753caec
4 changed files with 96 additions and 89 deletions
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5
src/buffer_utils.hh
View File

@ -20,11 +20,6 @@ inline BufferCoord erase(Buffer& buffer, const Selection& range)
return buffer.erase(range.min(), buffer.char_next(range.max()));
}
inline BufferRange replace(Buffer& buffer, const Selection& range, StringView content)
{
return buffer.replace(range.min(), buffer.char_next(range.max()), content);
}
void replace(Buffer& buffer, ArrayView<BufferRange> ranges, ConstArrayView<String> strings);
inline CharCount char_length(const Buffer& buffer, const Selection& range)

77
src/normal.cc
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@ -413,11 +413,10 @@ void replace_with_char(Context& context, NormalParams)
return;
ScopedEdition edition(context);
Buffer& buffer = context.buffer();
SelectionList& selections = context.selections();
selections.insert([&](size_t index, BufferCoord) {
CharCount count = char_length(buffer, selections[index]);
return String{*cp, count};
}, InsertMode::Replace);
context.selections().for_each([&](size_t index, Selection& sel) {
CharCount count = char_length(buffer, sel);
replace(buffer, sel, String{*cp, count});
});
}, "replace with char", "enter char to replace with\n");
}
@ -434,17 +433,15 @@ void for_each_codepoint(Context& context, NormalParams)
ScopedEdition edition(context);
Buffer& buffer = context.buffer();
SelectionList& selections = context.selections();
selections.insert([&](size_t index, BufferCoord) {
auto& sel = selections[index];
context.selections().for_each([&](size_t index, Selection& sel) {
String str;
for (auto begin = Utf8It{buffer.iterator_at(sel.min()), buffer},
end = Utf8It{buffer.iterator_at(sel.max()), buffer}+1;
begin != end; ++begin)
utf8::dump(std::back_inserter(str), func(*begin));
return str;
}, InsertMode::Replace);
replace(buffer, sel, str);
});
}
void command(const Context& context, EnvVarMap env_vars, char reg = 0)
@ -642,15 +639,17 @@ void insert_output(Context& context, NormalParams params)
ScopedEdition edition(context);
auto& selections = context.selections();
auto& buffer = context.buffer();
const size_t old_main = selections.main_index();
selections.insert([&](size_t index, BufferCoord) {
selections.for_each([&](size_t index, Selection& sel) {
selections.set_main_index(index);
auto [out, status] = ShellManager::instance().eval(
cmdline, context, content(context.buffer(), selections[index]),
cmdline, context, content(context.buffer(), sel),
ShellManager::Flags::WaitForStdout);
return out;
}, mode);
insert(buffer, sel, out, mode);
});
selections.set_main_index(old_main);
});
@ -688,15 +687,19 @@ void change(Context& context, NormalParams params)
enter_insert_mode<InsertMode::Replace>(context, params);
}
InsertMode adapt_for_linewise(InsertMode mode)
InsertMode adapt_for_linewise(InsertMode mode, bool linewise)
{
if (not linewise)
return mode;
switch (mode)
{
case InsertMode::Append: return InsertMode::InsertAtNextLineBegin;
case InsertMode::Insert: return InsertMode::InsertAtLineBegin;
case InsertMode::Replace: return InsertMode::Replace;
default: return InsertMode::Insert;
default: break;
}
kak_assert(false);
return InsertMode::Insert;
}
template<InsertMode mode>
@ -707,10 +710,12 @@ void paste(Context& context, NormalParams params)
const bool linewise = any_of(strings, [](StringView str) {
return not str.empty() and str.back() == '\n';
});
const auto effective_mode = linewise ? adapt_for_linewise(mode) : mode;
ScopedEdition edition(context);
context.selections().insert(strings, effective_mode);
if (mode == InsertMode::Replace)
context.selections().replace(strings);
else
context.selections().insert(strings, adapt_for_linewise(mode, linewise));
}
template<InsertMode mode>
@ -718,7 +723,7 @@ void paste_all(Context& context, NormalParams params)
{
const char reg = params.reg ? params.reg : '"';
auto strings = RegisterManager::instance()[reg].get(context);
InsertMode effective_mode = mode;
bool linewise = false;
String all;
Vector<ByteCount> offsets;
for (auto& str : strings)
@ -727,27 +732,25 @@ void paste_all(Context& context, NormalParams params)
continue;
if (str.back() == '\n')
effective_mode = adapt_for_linewise(mode);
linewise = true;
all += str;
offsets.push_back(all.length());
}
Vector<BufferCoord> insert_pos;
InsertMode effective_mode = adapt_for_linewise(mode, linewise);
Buffer& buffer = context.buffer();
Vector<Selection> result;
auto& selections = context.selections();
{
ScopedEdition edition(context);
selections.insert([&](size_t, BufferCoord pos) {
insert_pos.push_back(pos);
return String::no_copy(all);
}, effective_mode);
}
selections.for_each([&](size_t, const Selection& sel) {
auto range = (mode == InsertMode::Replace) ?
buffer.replace(sel.min(), buffer.char_next(sel.max()), all)
: buffer.insert(get_insert_pos(buffer, sel, effective_mode), all);
const Buffer& buffer = context.buffer();
Vector<Selection> result;
for (auto& ins_pos : insert_pos)
{
ByteCount pos_offset = 0;
BufferCoord pos = ins_pos;
BufferCoord pos = range.begin;
for (auto offset : offsets)
{
BufferCoord end = buffer.advance(pos, offset - pos_offset - 1);
@ -755,8 +758,8 @@ void paste_all(Context& context, NormalParams params)
pos = buffer.next(end);
pos_offset = offset;
}
});
}
if (not result.empty())
selections = std::move(result);
}
@ -1079,7 +1082,7 @@ void join_lines_select_spaces(Context& context, NormalParams)
return;
context.selections_write_only() = std::move(selections);
ScopedEdition edition(context);
context.selections().insert(" "_str, InsertMode::Replace);
context.selections().replace({" "_str});
}
void join_lines(Context& context, NormalParams params)
@ -1478,7 +1481,7 @@ void rotate_selections_content(Context& context, NormalParams params)
main = main < new_beg ? end - (new_beg - main) : it + (main - new_beg);
it = end;
}
selections.insert(strings, InsertMode::Replace);
selections.replace(strings);
selections.set_main_index(main - strings.begin());
}
@ -1696,7 +1699,7 @@ void tabs_to_spaces(Context& context, NormalParams params)
}
}
if (not tabs.empty())
SelectionList{ buffer, std::move(tabs) }.insert(spaces, InsertMode::Replace);
SelectionList{ buffer, std::move(tabs) }.replace(spaces);
}
void spaces_to_tabs(Context& context, NormalParams params)
@ -1732,7 +1735,7 @@ void spaces_to_tabs(Context& context, NormalParams params)
}
}
if (not spaces.empty())
SelectionList{ buffer, std::move(spaces) }.insert("\t"_str, InsertMode::Replace);
SelectionList{ buffer, std::move(spaces) }.replace("\t"_str);
}
void trim_selections(Context& context, NormalParams)

70
src/selection.cc
View File

@ -367,7 +367,7 @@ BufferCoord get_insert_pos(const Buffer& buffer, const Selection& sel,
case InsertMode::AppendAtLineEnd:
return {sel.max().line, buffer[sel.max().line].length() - 1};
case InsertMode::InsertAtNextLineBegin:
return sel.max().line+1;
return std::min(buffer.line_count(), sel.max().line+1);
default:
kak_assert(false);
return {};
@ -390,22 +390,15 @@ void SelectionList::insert(ConstArrayView<String> strings, InsertMode mode)
if (strings.empty())
return;
insert([&](size_t index, BufferCoord) {
return String::no_copy(strings[std::min(strings.size()-1, index)]);
}, mode);
for_each([&](size_t index, Selection& sel) {
Kakoune::insert(*m_buffer, sel, strings[std::min(strings.size()-1, index)], mode);
});
}
void SelectionList::insert(ContentFunc get_content, InsertMode mode)
void SelectionList::for_each(ApplyFunc func)
{
update();
Vector<BufferCoord> insert_pos;
if (mode != InsertMode::Replace)
{
for (auto& sel : m_selections)
insert_pos.push_back(get_insert_pos(*m_buffer, sel, mode));
}
ForwardChangesTracker changes_tracker;
for (size_t index = 0; index < m_selections.size(); ++index)
{
@ -413,42 +406,49 @@ void SelectionList::insert(ContentFunc get_content, InsertMode mode)
sel.anchor() = changes_tracker.get_new_coord_tolerant(sel.anchor());
sel.cursor() = changes_tracker.get_new_coord_tolerant(sel.cursor());
kak_assert(m_buffer->is_valid(sel.anchor()) and
m_buffer->is_valid(sel.cursor()));
kak_assert(m_buffer->is_valid(sel.anchor()) and m_buffer->is_valid(sel.cursor()));
const auto pos = (mode == InsertMode::Replace) ?
sel.min() : changes_tracker.get_new_coord(insert_pos[index]);
String str = get_content(index, pos);
if (mode == InsertMode::Replace)
{
auto range = replace(*m_buffer, sel, str);
// we want min and max from *before* we do any change
auto& min = sel.min();
auto& max = sel.max();
min = range.begin;
max = range.end > range.begin ? m_buffer->char_prev(range.end) : range.begin;
}
else
{
auto range = m_buffer->insert(pos, str);
sel.anchor() = m_buffer->clamp(update_insert(sel.anchor(), range.begin, range.end));
sel.cursor() = m_buffer->clamp(update_insert(sel.cursor(), range.begin, range.end));
}
func(index, sel);
changes_tracker.update(*m_buffer, m_timestamp);
}
// We might just have been deleting text if strings were empty,
// in which case we could have some selections pushed out of the buffer
if (mode == InsertMode::Replace)
fix_overflowing_selections(m_selections, *m_buffer);
check_invariant();
m_buffer->check_invariant();
}
void replace(Buffer& buffer, Selection& sel, StringView content)
{
// we want min and max from *before* we do any change
auto& min = sel.min();
auto& max = sel.max();
BufferRange range = buffer.replace(min, buffer.char_next(max), content);
min = range.begin;
max = range.end > range.begin ? buffer.char_prev(range.end) : range.begin;
}
void insert(Buffer& buffer, Selection& sel, StringView content, InsertMode mode)
{
auto range = buffer.insert(get_insert_pos(buffer, sel, mode), content);
sel.anchor() = buffer.clamp(update_insert(sel.anchor(), range.begin, range.end));
sel.cursor() = buffer.clamp(update_insert(sel.cursor(), range.begin, range.end));
}
void SelectionList::replace(ConstArrayView<String> strings)
{
if (strings.empty())
return;
for_each([&](size_t index, Selection& sel) {
Kakoune::replace(*m_buffer, sel, strings[std::min(strings.size()-1, index)]);
});
}
void SelectionList::erase()
{
update();

13
src/selection.hh
View File

@ -87,6 +87,12 @@ enum class InsertMode : unsigned
OpenLineAbove
};
BufferCoord get_insert_pos(const Buffer& buffer, const Selection& sel, InsertMode mode);
void replace(Buffer& buffer, Selection& sel, StringView content);
void insert(Buffer& buffer, Selection& sel, StringView content, InsertMode mode);
struct SelectionList
{
static constexpr MemoryDomain Domain = MemoryDomain::Selections;
@ -145,9 +151,12 @@ struct SelectionList
size_t timestamp() const { return m_timestamp; }
void force_timestamp(size_t timestamp) { m_timestamp = timestamp; }
using ApplyFunc = FunctionRef<void (size_t index, Selection& sel)>;
void for_each(ApplyFunc apply);
void insert(ConstArrayView<String> strings, InsertMode mode);
using ContentFunc = FunctionRef<String (size_t index, BufferCoord insert_pos)>;
void insert(ContentFunc get_content, InsertMode mode);
void replace(ConstArrayView<String> strings);
void erase();
private: