Merge captures into registers, implements register insertion

This commit is contained in:
Maxime Coste 2012-02-09 23:47:55 +00:00
parent 04a37d8895
commit d84d085cc2
11 changed files with 210 additions and 171 deletions

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@ -2,6 +2,8 @@
#include "exception.hh"
#include "utils.hh"
#include "register.hh"
#include "register_manager.hh"
namespace Kakoune
{
@ -11,7 +13,7 @@ Editor::Editor(Buffer& buffer)
m_edition_level(0)
{
m_selections.push_back(SelectionList());
selections().push_back(Selection(buffer.begin(), buffer.begin()));
m_selections.back().push_back(Selection(buffer.begin(), buffer.begin()));
}
void Editor::erase()
@ -21,18 +23,51 @@ void Editor::erase()
m_buffer.modify(Modification::make_erase(sel.begin(), sel.end()));
}
template<bool append>
static void do_insert(Editor& editor, const Editor::String& string)
{
scoped_edition edition(editor);
for (auto& sel : editor.selections())
{
BufferIterator pos = append ? sel.end() : sel.begin();
editor.buffer().modify(Modification::make_insert(pos, string));
}
}
template<bool append>
static void do_insert(Editor& editor, const memoryview<Editor::String>& strings)
{
if (strings.empty())
return;
scoped_edition edition(editor);
for (size_t i = 0; i < editor.selections().size(); ++i)
{
BufferIterator pos = append ? editor.selections()[i].end()
: editor.selections()[i].begin();
size_t index = std::min(i, strings.size()-1);
editor.buffer().modify(Modification::make_insert(pos, strings[index]));
}
}
void Editor::insert(const String& string)
{
scoped_edition edition(*this);
for (auto& sel : selections())
m_buffer.modify(Modification::make_insert(sel.begin(), string));
do_insert<false>(*this, string);
}
void Editor::insert(const memoryview<String>& strings)
{
do_insert<false>(*this, strings);
}
void Editor::append(const String& string)
{
scoped_edition edition(*this);
for (auto& sel : selections())
m_buffer.modify(Modification::make_insert(sel.end(), string));
do_insert<true>(*this, string);
}
void Editor::append(const memoryview<String>& strings)
{
do_insert<true>(*this, strings);
}
void Editor::replace(const std::string& string)
@ -42,9 +77,17 @@ void Editor::replace(const std::string& string)
insert(string);
}
std::vector<Editor::String> Editor::selections_content() const
{
std::vector<String> contents;
for (auto& sel : selections())
contents.push_back(m_buffer.string(sel.begin(), sel.end()));
return contents;
}
void Editor::push_selections()
{
SelectionList current_selections = selections();
SelectionList current_selections = m_selections.back();
m_selections.push_back(std::move(current_selections));
}
@ -58,7 +101,7 @@ void Editor::pop_selections()
void Editor::move_selections(const BufferCoord& offset, bool append)
{
for (auto& sel : selections())
for (auto& sel : m_selections.back())
{
BufferCoord pos = m_buffer.line_and_column_at(sel.last());
BufferIterator last = m_buffer.iterator_at(pos + BufferCoord(offset));
@ -75,8 +118,8 @@ void Editor::clear_selections()
--pos;
Selection sel = Selection(pos, pos);
selections().clear();
selections().push_back(std::move(sel));
m_selections.back().clear();
m_selections.back().push_back(std::move(sel));
}
void Editor::keep_selection(int index)
@ -86,30 +129,42 @@ void Editor::keep_selection(int index)
if (index < selections().size())
{
Selection sel = selections()[index];
selections().clear();
selections().push_back(std::move(sel));
m_selections.back().clear();
m_selections.back().push_back(std::move(sel));
}
}
void Editor::select(const BufferIterator& iterator)
{
selections().clear();
selections().push_back(Selection(iterator, iterator));
m_selections.back().clear();
m_selections.back().push_back(Selection(iterator, iterator));
}
void Editor::select(const Selector& selector, bool append)
{
check_invariant();
if (not append)
std::vector<std::vector<String>> captures;
for (auto& sel : m_selections.back())
{
for (auto& sel : selections())
sel = selector(sel);
}
SelectionAndCaptures res = selector(sel);
if (append)
sel.merge_with(res.selection);
else
sel = std::move(res.selection);
assert(captures.empty() or captures.size() == res.captures.size());
captures.resize(res.captures.size());
for (size_t i = 0; i < res.captures.size(); ++i)
captures[i].push_back(res.captures[i]);
}
if (not captures.empty())
{
for (auto& sel : selections())
sel.merge_with(selector(sel));
for (size_t i = 0; i < captures.size(); ++i)
RegisterManager::instance()['0' + i] = std::move(captures[i]);
}
}
@ -122,25 +177,33 @@ void Editor::multi_select(const MultiSelector& selector)
{
check_invariant();
std::vector<std::vector<String>> captures;
SelectionList new_selections;
for (auto& sel : selections())
for (auto& sel : m_selections.back())
{
SelectionList selections = selector(sel);
std::copy(selections.begin(), selections.end(),
std::back_inserter(new_selections));
SelectionAndCapturesList res = selector(sel);
for (auto& sel_and_cap : res)
{
new_selections.push_back(sel_and_cap.selection);
assert(captures.empty() or captures.size() == sel_and_cap.captures.size());
captures.resize(sel_and_cap.captures.size());
for (size_t i = 0; i < sel_and_cap.captures.size(); ++i)
captures[i].push_back(sel_and_cap.captures[i]);
}
}
if (new_selections.empty())
throw nothing_selected();
selections() = std::move(new_selections);
}
m_selections.back() = std::move(new_selections);
BufferString Editor::selection_content() const
if (not captures.empty())
{
check_invariant();
return m_buffer.string(selections().back().begin(),
selections().back().end());
for (size_t i = 0; i < captures.size(); ++i)
RegisterManager::instance()['0' + i] = std::move(captures[i]);
}
}
bool Editor::undo()
@ -207,7 +270,7 @@ IncrementalInserter::IncrementalInserter(Editor& editor, Mode mode)
if (mode == Mode::Change)
editor.erase();
for (auto& sel : m_editor.selections())
for (auto& sel : m_editor.m_selections.back())
{
BufferIterator pos;
switch (mode)
@ -228,7 +291,7 @@ IncrementalInserter::IncrementalInserter(Editor& editor, Mode mode)
--pos;
break;
}
sel = Selection(pos, pos, sel.captures());
sel = Selection(pos, pos);
if (mode == Mode::OpenLineBelow or mode == Mode::OpenLineAbove)
apply(Modification::make_insert(pos, "\n"));
@ -248,23 +311,20 @@ void IncrementalInserter::apply(Modification&& modification) const
m_editor.buffer().modify(std::move(modification));
}
void IncrementalInserter::insert(const Editor::String& string)
{
for (auto& sel : m_editor.selections())
apply(Modification::make_insert(sel.begin(), string));
}
void IncrementalInserter::insert_capture(size_t index)
void IncrementalInserter::insert(const Register& reg)
{
for (auto& sel : m_editor.selections())
m_editor.m_buffer.modify(Modification::make_insert(sel.begin(),
sel.capture(index)));
m_editor.insert(reg);
}
void IncrementalInserter::erase()
{
for (auto& sel : m_editor.selections())
for (auto& sel : m_editor.m_selections.back())
{
sel = Selection(sel.first() - 1, sel.last() - 1);
apply(Modification::make_erase(sel.begin(), sel.end()));
@ -273,7 +333,7 @@ void IncrementalInserter::erase()
void IncrementalInserter::move_cursors(const BufferCoord& offset)
{
for (auto& sel : m_editor.selections())
for (auto& sel : m_editor.m_selections.back())
{
BufferCoord pos = m_editor.m_buffer.line_and_column_at(sel.last());
BufferIterator it = m_editor.m_buffer.iterator_at(pos + offset);

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@ -5,12 +5,12 @@
#include "selection.hh"
#include "filter.hh"
#include "idvaluemap.hh"
#include "hooks_manager.hh"
#include "memoryview.hh"
namespace Kakoune
{
class IncrementalInserter;
class Register;
// An Editor is a buffer mutator
//
@ -20,8 +20,8 @@ class Editor
{
public:
typedef BufferString String;
typedef std::function<Selection (const Selection&)> Selector;
typedef std::function<SelectionList (const Selection&)> MultiSelector;
typedef std::function<SelectionAndCaptures (const Selection&)> Selector;
typedef std::function<SelectionAndCapturesList (const Selection&)> MultiSelector;
Editor(Buffer& buffer);
virtual ~Editor() {}
@ -29,8 +29,13 @@ public:
Buffer& buffer() const { return m_buffer; }
void erase();
void insert(const String& string);
void insert(const memoryview<String>& strings);
void append(const String& string);
void append(const memoryview<String>& strings);
void replace(const String& string);
void push_selections();
@ -43,8 +48,8 @@ public:
void select(const Selector& selector, bool append = false);
void multi_select(const MultiSelector& selector);
BufferString selection_content() const;
const SelectionList& selections() const { return m_selections.back(); }
std::vector<String> selections_content() const;
bool undo();
bool redo();
@ -64,8 +69,6 @@ private:
int m_edition_level;
SelectionList& selections() { return m_selections.back(); }
void check_invariant() const;
friend class IncrementalInserter;
@ -108,7 +111,7 @@ public:
~IncrementalInserter();
void insert(const Editor::String& string);
void insert_capture(size_t index);
void insert(const Register& reg);
void erase();
void move_cursors(const BufferCoord& offset);

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@ -392,15 +392,6 @@ bool insert_char(IncrementalInserter& inserter, const Key& key)
case Key::Modifiers::Control:
switch (key.key)
{
case 'b':
{
Key next_key = get_key();
last_insert_sequence.keys.push_back(next_key);
if (next_key.modifiers == Key::Modifiers::None and
next_key.key >= '0' and next_key.key <= '9')
inserter.insert_capture(next_key.key - '0');
break;
}
case 'r':
{
Key next_key = get_key();
@ -413,7 +404,7 @@ bool insert_char(IncrementalInserter& inserter, const Key& key)
inserter.insert(inserter.buffer().name());
break;
default:
inserter.insert(RegisterManager::instance()[next_key.key].get());
inserter.insert(RegisterManager::instance()[next_key.key]);
}
}
break;
@ -836,7 +827,7 @@ void do_search(Editor& editor)
if (ex.empty())
ex = RegisterManager::instance()['/'].get();
else
RegisterManager::instance()['/'].set(ex);
RegisterManager::instance()['/'] = ex;
editor.select(std::bind(select_next_match, _1, ex));
}
@ -854,18 +845,18 @@ void do_search_next(Editor& editor)
void do_yank(Editor& editor, int count)
{
RegisterManager::instance()['"'].set(editor.selection_content());
RegisterManager::instance()['"'] = editor.selections_content();
}
void do_erase(Editor& editor, int count)
{
RegisterManager::instance()['"'].set(editor.selection_content());
RegisterManager::instance()['"'] = editor.selections_content();
editor.erase();
}
void do_change(Editor& editor, int count)
{
RegisterManager::instance()['"'].set(editor.selection_content());
RegisterManager::instance()['"'] = editor.selections_content();
do_insert(editor, IncrementalInserter::Mode::Change);
}
@ -873,9 +864,9 @@ template<bool append>
void do_paste(Editor& editor, int count)
{
if (append)
editor.append(RegisterManager::instance()['"'].get());
editor.append(RegisterManager::instance()['"']);
else
editor.insert(RegisterManager::instance()['"'].get());
editor.insert(RegisterManager::instance()['"']);
}
void do_select_regex(Editor& editor, int count)

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@ -5,15 +5,17 @@ namespace Kakoune
const std::string Register::ms_empty;
void Register::set(const std::string& value)
Register& Register::operator=(const std::string& value)
{
m_content.clear();
m_content.push_back(value);
return *this;
}
void Register::set(const memoryview<std::string>& values)
Register& Register::operator=(const memoryview<std::string>& values)
{
m_content = std::vector<std::string>(values.begin(), values.end());
return *this;
}
const std::string& Register::get() const

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@ -12,11 +12,15 @@ namespace Kakoune
class Register
{
public:
void set(const std::string& value);
void set(const memoryview<std::string>& values);
Register& operator=(const std::string& value);
Register& operator=(const memoryview<std::string>& values);
const std::string& get() const;
const std::string& get(size_t index) const;
operator memoryview<std::string>() const
{ return memoryview<std::string>(m_content); }
private:
std::vector<std::string> m_content;

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@ -4,6 +4,8 @@
#include "register.hh"
#include "utils.hh"
#include <unordered_map>
namespace Kakoune
{

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@ -3,30 +3,14 @@
namespace Kakoune
{
Selection::Selection(const BufferIterator& first, const BufferIterator& last,
const CaptureList& captures)
: m_first(first), m_last(last), m_captures(captures)
{
register_with_buffer();
}
Selection::Selection(const BufferIterator& first, const BufferIterator& last,
CaptureList&& captures)
: m_first(first), m_last(last), m_captures(captures)
Selection::Selection(const BufferIterator& first, const BufferIterator& last)
: m_first(first), m_last(last)
{
register_with_buffer();
}
Selection::Selection(const Selection& other)
: m_first(other.m_first), m_last(other.m_last),
m_captures(other.m_captures)
{
register_with_buffer();
}
Selection::Selection(Selection&& other)
: m_first(other.m_first), m_last(other.m_last),
m_captures(other.m_captures)
: m_first(other.m_first), m_last(other.m_last)
{
register_with_buffer();
}
@ -44,7 +28,6 @@ Selection& Selection::operator=(const Selection& other)
m_first = other.m_first;
m_last = other.m_last;
m_captures = other.m_captures;
if (new_buffer)
register_with_buffer();
@ -71,13 +54,6 @@ void Selection::merge_with(const Selection& selection)
m_last = selection.m_last;
}
BufferString Selection::capture(size_t index) const
{
if (index < m_captures.size())
return m_captures[index];
return "";
}
static void update_iterator(const Modification& modification,
BufferIterator& iterator)
{

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@ -8,17 +8,8 @@ namespace Kakoune
struct Selection : public ModificationListener
{
typedef std::vector<BufferString> CaptureList;
Selection(const BufferIterator& first, const BufferIterator& last,
const CaptureList& captures = CaptureList());
Selection(const BufferIterator& first, const BufferIterator& last,
CaptureList&& captures);
Selection(const BufferIterator& first, const BufferIterator& last);
Selection(const Selection& other);
Selection(Selection&& other);
~Selection();
Selection& operator=(const Selection& other);
@ -31,24 +22,35 @@ struct Selection : public ModificationListener
void merge_with(const Selection& selection);
BufferString capture(size_t index) const;
const CaptureList& captures() const { return m_captures; }
private:
BufferIterator m_first;
BufferIterator m_last;
CaptureList m_captures;
void on_modification(const Modification& modification);
void register_with_buffer();
void unregister_with_buffer();
void check_invariant();
};
typedef std::vector<Selection> SelectionList;
typedef std::vector<BufferString> CaptureList;
struct SelectionAndCaptures
{
Selection selection;
CaptureList captures;
SelectionAndCaptures(const BufferIterator& first,
const BufferIterator& last,
CaptureList&& captures_list)
: selection(first, last), captures(captures_list) {}
SelectionAndCaptures(const Selection& sel)
: selection(sel) {}
SelectionAndCaptures(Selection&& sel)
: selection(sel) {}
};
typedef std::vector<SelectionAndCaptures> SelectionAndCapturesList;
}

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@ -71,7 +71,7 @@ bool skip_while_reverse(BufferIterator& it, T condition)
return condition(*it);
}
Selection select_to_next_word(const Selection& selection)
SelectionAndCaptures select_to_next_word(const Selection& selection)
{
BufferIterator begin = selection.last();
if (categorize(*begin) != categorize(*(begin+1)))
@ -91,7 +91,7 @@ Selection select_to_next_word(const Selection& selection)
return Selection(begin, with_end ? end : end-1);
}
Selection select_to_next_word_end(const Selection& selection)
SelectionAndCaptures select_to_next_word_end(const Selection& selection)
{
BufferIterator begin = selection.last();
if (categorize(*begin) != categorize(*(begin+1)))
@ -110,7 +110,7 @@ Selection select_to_next_word_end(const Selection& selection)
return Selection(begin, with_end ? end : end-1);
}
Selection select_to_previous_word(const Selection& selection)
SelectionAndCaptures select_to_previous_word(const Selection& selection)
{
BufferIterator begin = selection.last();
@ -130,7 +130,7 @@ Selection select_to_previous_word(const Selection& selection)
return Selection(begin, with_end ? end : end+1);
}
Selection select_to_next_WORD(const Selection& selection)
SelectionAndCaptures select_to_next_WORD(const Selection& selection)
{
BufferIterator begin = selection.last();
if (categorize<false>(*begin) != categorize<false>(*(begin+1)))
@ -146,7 +146,7 @@ Selection select_to_next_WORD(const Selection& selection)
return Selection(begin, with_end ? end : end-1);
}
Selection select_to_next_WORD_end(const Selection& selection)
SelectionAndCaptures select_to_next_WORD_end(const Selection& selection)
{
BufferIterator begin = selection.last();
if (categorize<false>(*begin) != categorize<false>(*(begin+1)))
@ -163,7 +163,7 @@ Selection select_to_next_WORD_end(const Selection& selection)
return Selection(begin, with_end ? end : end-1);
}
Selection select_to_previous_WORD(const Selection& selection)
SelectionAndCaptures select_to_previous_WORD(const Selection& selection)
{
BufferIterator begin = selection.last();
if (categorize<false>(*begin) != categorize<false>(*(begin-1)))
@ -178,7 +178,7 @@ Selection select_to_previous_WORD(const Selection& selection)
return Selection(begin, with_end ? end : end+1);
}
Selection select_line(const Selection& selection)
SelectionAndCaptures select_line(const Selection& selection)
{
BufferIterator first = selection.last();
if (*first == '\n' and not (first + 1).is_end())
@ -193,7 +193,7 @@ Selection select_line(const Selection& selection)
return Selection(first, last);
}
Selection select_matching(const Selection& selection)
SelectionAndCaptures select_matching(const Selection& selection)
{
std::vector<char> matching_pairs = { '(', ')', '{', '}', '[', ']', '<', '>' };
BufferIterator it = selection.last();
@ -242,7 +242,7 @@ Selection select_matching(const Selection& selection)
return selection;
}
Selection select_surrounding(const Selection& selection,
SelectionAndCaptures select_surrounding(const Selection& selection,
const std::pair<char, char>& matching,
bool inside)
{
@ -291,7 +291,7 @@ Selection select_surrounding(const Selection& selection,
return Selection(first, last);
}
Selection select_to(const Selection& selection,
SelectionAndCaptures select_to(const Selection& selection,
char c, int count, bool inclusive)
{
BufferIterator begin = selection.last();
@ -308,7 +308,7 @@ Selection select_to(const Selection& selection,
return Selection(begin, inclusive ? end : end-1);
}
Selection select_to_reverse(const Selection& selection,
SelectionAndCaptures select_to_reverse(const Selection& selection,
char c, int count, bool inclusive)
{
BufferIterator begin = selection.last();
@ -325,7 +325,7 @@ Selection select_to_reverse(const Selection& selection,
return Selection(begin, inclusive ? end : end+1);
}
Selection select_to_eol(const Selection& selection)
SelectionAndCaptures select_to_eol(const Selection& selection)
{
BufferIterator begin = selection.last();
BufferIterator end = begin + 1;
@ -333,7 +333,7 @@ Selection select_to_eol(const Selection& selection)
return Selection(begin, end-1);
}
Selection select_to_eol_reverse(const Selection& selection)
SelectionAndCaptures select_to_eol_reverse(const Selection& selection)
{
BufferIterator begin = selection.last();
BufferIterator end = begin - 1;
@ -341,7 +341,7 @@ Selection select_to_eol_reverse(const Selection& selection)
return Selection(begin, end.is_begin() ? end : end+1);
}
Selection select_whole_lines(const Selection& selection)
SelectionAndCaptures select_whole_lines(const Selection& selection)
{
BufferIterator first = selection.first();
BufferIterator last = selection.last();
@ -358,20 +358,20 @@ Selection select_whole_lines(const Selection& selection)
return Selection(first, last);
}
Selection select_whole_buffer(const Selection& selection)
SelectionAndCaptures select_whole_buffer(const Selection& selection)
{
const Buffer& buffer = selection.first().buffer();
return Selection(buffer.begin(), buffer.end()-1);
}
Selection select_next_match(const Selection& selection,
SelectionAndCaptures select_next_match(const Selection& selection,
const std::string& regex)
{
boost::regex ex(regex);
BufferIterator begin = selection.last();
BufferIterator end = begin;
Selection::CaptureList captures;
CaptureList captures;
try
{
@ -403,33 +403,33 @@ Selection select_next_match(const Selection& selection,
if (begin == end)
++end;
return Selection(begin, end - 1, std::move(captures));
return SelectionAndCaptures(begin, end - 1, std::move(captures));
}
typedef boost::regex_iterator<BufferIterator> RegexIterator;
SelectionList select_all_matches(const Selection& selection,
SelectionAndCapturesList select_all_matches(const Selection& selection,
const std::string& regex)
{
boost::regex ex(regex);
RegexIterator re_it(selection.begin(), selection.end(), ex);
RegexIterator re_end;
SelectionList result;
SelectionAndCapturesList result;
for (; re_it != re_end; ++re_it)
{
BufferIterator begin = (*re_it)[0].first;
BufferIterator end = (*re_it)[0].second;
Selection::CaptureList captures(re_it->begin(), re_it->end());
CaptureList captures(re_it->begin(), re_it->end());
result.push_back(Selection(begin, begin == end ? end : end-1,
result.push_back(SelectionAndCaptures(begin, begin == end ? end : end-1,
std::move(captures)));
}
return result;
}
SelectionList split_selection(const Selection& selection,
SelectionAndCapturesList split_selection(const Selection& selection,
const std::string& separator_regex)
{
boost::regex ex(separator_regex);
@ -437,7 +437,7 @@ SelectionList split_selection(const Selection& selection,
boost::regex_constants::match_nosubs);
RegexIterator re_end;
SelectionList result;
SelectionAndCapturesList result;
BufferIterator begin = selection.begin();
for (; re_it != re_end; ++re_it)
{

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@ -6,36 +6,36 @@
namespace Kakoune
{
Selection select_to_next_word(const Selection& selection);
Selection select_to_next_word_end(const Selection& selection);
Selection select_to_previous_word(const Selection& selection);
Selection select_to_next_WORD(const Selection& selection);
Selection select_to_next_WORD_end(const Selection& selection);
Selection select_to_previous_WORD(const Selection& selection);
Selection select_line(const Selection& selection);
Selection select_matching(const Selection& selection);
Selection select_surrounding(const Selection& selection,
SelectionAndCaptures select_to_next_word(const Selection& selection);
SelectionAndCaptures select_to_next_word_end(const Selection& selection);
SelectionAndCaptures select_to_previous_word(const Selection& selection);
SelectionAndCaptures select_to_next_WORD(const Selection& selection);
SelectionAndCaptures select_to_next_WORD_end(const Selection& selection);
SelectionAndCaptures select_to_previous_WORD(const Selection& selection);
SelectionAndCaptures select_line(const Selection& selection);
SelectionAndCaptures select_matching(const Selection& selection);
SelectionAndCaptures select_surrounding(const Selection& selection,
const std::pair<char, char>& matching,
bool inside);
Selection select_to(const Selection& selection,
SelectionAndCaptures select_to(const Selection& selection,
char c, int count, bool inclusive);
Selection select_to_reverse(const Selection& selection,
SelectionAndCaptures select_to_reverse(const Selection& selection,
char c, int count, bool inclusive);
Selection select_to_eol(const Selection& selection);
Selection select_to_eol_reverse(const Selection& selection);
SelectionAndCaptures select_to_eol(const Selection& selection);
SelectionAndCaptures select_to_eol_reverse(const Selection& selection);
Selection select_whole_lines(const Selection& selection);
Selection select_whole_buffer(const Selection& selection);
SelectionAndCaptures select_whole_lines(const Selection& selection);
SelectionAndCaptures select_whole_buffer(const Selection& selection);
Selection select_next_match(const Selection& selection,
SelectionAndCaptures select_next_match(const Selection& selection,
const std::string& regex);
SelectionList select_all_matches(const Selection& selection,
SelectionAndCapturesList select_all_matches(const Selection& selection,
const std::string& regex);
SelectionList split_selection(const Selection& selection,
SelectionAndCapturesList split_selection(const Selection& selection,
const std::string& separator_regex);
}

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@ -8,6 +8,7 @@
#include "completion.hh"
#include "highlighter.hh"
#include "highlighter_group.hh"
#include "hooks_manager.hh"
namespace Kakoune
{
@ -36,8 +37,6 @@ public:
void update_display_buffer();
const SelectionList& selections() const { return Editor::selections(); }
std::string status_line() const;
HighlighterGroup& highlighters() { return m_highlighters; }