kakoune/src/normal.cc

1546 lines
57 KiB
C++

#include "normal.hh"
#include "buffer.hh"
#include "buffer_manager.hh"
#include "client_manager.hh"
#include "command_manager.hh"
#include "commands.hh"
#include "containers.hh"
#include "context.hh"
#include "debug.hh"
#include "face_registry.hh"
#include "flags.hh"
#include "file.hh"
#include "option_manager.hh"
#include "register_manager.hh"
#include "selectors.hh"
#include "shell_manager.hh"
#include "string.hh"
#include "user_interface.hh"
#include "window.hh"
namespace Kakoune
{
using namespace std::placeholders;
enum class SelectMode
{
Replace,
Extend,
Append,
};
template<SelectMode mode, typename T>
void select(Context& context, T func)
{
auto& buffer = context.buffer();
auto& selections = context.selections();
if (mode == SelectMode::Append)
{
auto& sel = selections.main();
auto res = func(buffer, sel);
if (res.captures().empty())
res.captures() = sel.captures();
selections.push_back(res);
selections.set_main_index(selections.size() - 1);
}
else
{
for (auto& sel : selections)
{
auto res = func(buffer, sel);
if (mode == SelectMode::Extend)
sel.merge_with(res);
else
{
sel.anchor() = res.anchor();
sel.cursor() = res.cursor();
}
if (not res.captures().empty())
sel.captures() = std::move(res.captures());
}
}
selections.sort_and_merge_overlapping();
selections.check_invariant();
}
template<SelectMode mode, Selection (*func)(const Buffer&, const Selection&)>
void select(Context& context, NormalParams)
{
select<mode>(context, func);
}
template<SelectMode mode = SelectMode::Replace>
void select_coord(Buffer& buffer, ByteCoord coord, SelectionList& selections)
{
coord = buffer.clamp(coord);
if (mode == SelectMode::Replace)
selections = SelectionList{ buffer, coord };
else if (mode == SelectMode::Extend)
{
for (auto& sel : selections)
sel.cursor() = coord;
selections.sort_and_merge_overlapping();
}
}
template<InsertMode mode>
void enter_insert_mode(Context& context, NormalParams)
{
context.input_handler().insert(mode);
}
void repeat_last_insert(Context& context, NormalParams)
{
context.input_handler().repeat_last_insert();
}
bool show_auto_info_ifn(StringView title, StringView info,
const Context& context)
{
if (context.options()["autoinfo"].get<int>() < 1 or not context.has_ui())
return false;
Face face = get_face("Information");
context.ui().info_show(title, info, CharCoord{}, face, InfoStyle::Prompt);
return true;
}
template<typename Cmd>
void on_next_key_with_autoinfo(const Context& context, KeymapMode keymap_mode, Cmd cmd,
StringView title, StringView info)
{
const bool hide = show_auto_info_ifn(title, info, context);
context.input_handler().on_next_key(
keymap_mode, [hide,cmd](Key key, Context& context) mutable {
if (hide)
context.ui().info_hide();
cmd(key, context);
});
}
template<SelectMode mode>
void goto_commands(Context& context, NormalParams params)
{
if (params.count != 0)
{
context.push_jump();
select_coord<mode>(context.buffer(), LineCount{params.count - 1}, context.selections());
if (context.has_window())
context.window().center_line(LineCount{params.count-1});
}
else
{
on_next_key_with_autoinfo(context, KeymapMode::Goto,
[](Key key, Context& context) {
if (key.modifiers != Key::Modifiers::None)
return;
auto& buffer = context.buffer();
switch (tolower(key.key))
{
case 'g':
case 'k':
context.push_jump();
select_coord<mode>(buffer, ByteCoord{0,0}, context.selections());
break;
case 'l':
select<mode, select_to_eol>(context, {});
break;
case 'h':
select<mode, select_to_eol_reverse>(context, {});
break;
case 'j':
{
context.push_jump();
select_coord<mode>(buffer, buffer.line_count() - 1, context.selections());
break;
}
case 'e':
context.push_jump();
select_coord<mode>(buffer, buffer.back_coord(), context.selections());
break;
case 't':
if (context.has_window())
{
auto line = context.window().position().line;
select_coord<mode>(buffer, line, context.selections());
}
break;
case 'b':
if (context.has_window())
{
auto& window = context.window();
auto line = window.position().line + window.dimensions().line - 1;
select_coord<mode>(buffer, line, context.selections());
}
break;
case 'c':
if (context.has_window())
{
auto& window = context.window();
auto line = window.position().line + window.dimensions().line / 2;
select_coord<mode>(buffer, line, context.selections());
}
break;
case 'a':
{
auto& buffer_manager = BufferManager::instance();
auto it = buffer_manager.begin();
if (it->get() == &buffer and ++it == buffer_manager.end())
break;
Buffer& target = **it;
BufferManager::instance().set_last_used_buffer(buffer);
context.push_jump();
context.change_buffer(target);
break;
}
case 'f':
{
const Selection& sel = context.selections().main();
String filename = content(buffer, sel);
static constexpr char forbidden[] = { '\'', '\\', '\0' };
for (auto c : forbidden)
if (contains(filename, c))
return;
auto paths = context.options()["path"].get<Vector<String, MemoryDomain::Options>>();
const String& buffer_name = buffer.name();
auto it = find(reversed(buffer_name), '/');
if (it != buffer_name.rend())
paths.insert(paths.begin(), String{buffer_name.begin(), it.base()});
String path = find_file(filename, paths);
if (path.empty())
throw runtime_error("unable to find file '" + filename + "'");
Buffer* buffer = create_buffer_from_file(path);
if (buffer == nullptr)
throw runtime_error("unable to open file '" + path + "'");
if (buffer != &context.buffer())
{
BufferManager::instance().set_last_used_buffer(*buffer);
context.push_jump();
context.change_buffer(*buffer);
}
break;
}
case '.':
{
context.push_jump();
auto pos = buffer.last_modification_coord();
if (buffer[pos.line].length() == pos.column + 1)
pos = ByteCoord{ pos.line+1, 0 };
select_coord<mode>(buffer, pos, context.selections());
break;
}
}
}, "goto",
"g,k: buffer top \n"
"l: line end \n"
"h: line begin \n"
"j: buffer bottom \n"
"e: buffer end \n"
"t: window top \n"
"b: window bottom \n"
"c: window center \n"
"a: last buffer \n"
"f: file \n"
".: last buffer change\n");
}
}
void view_commands(Context& context, NormalParams params)
{
on_next_key_with_autoinfo(context, KeymapMode::View,
[params](Key key, Context& context) {
if (key.modifiers != Key::Modifiers::None or not context.has_window())
return;
LineCount cursor_line = context.selections().main().cursor().line;
Window& window = context.window();
switch (tolower(key.key))
{
case 'v':
case 'c':
context.window().center_line(cursor_line);
break;
case 't':
context.window().display_line_at(cursor_line, 0);
break;
case 'b':
context.window().display_line_at(cursor_line, window.dimensions().line-1);
break;
case 'h':
context.window().scroll(-std::max<CharCount>(1, params.count));
break;
case 'j':
context.window().scroll( std::max<LineCount>(1, params.count));
break;
case 'k':
context.window().scroll(-std::max<LineCount>(1, params.count));
break;
case 'l':
context.window().scroll( std::max<CharCount>(1, params.count));
break;
}
}, "view",
"v,c: center cursor \n"
"t: cursor on top \n"
"b: cursor on bottom\n"
"h: scroll left \n"
"j: scroll down \n"
"k: scroll up \n"
"l: scroll right \n");
}
void replace_with_char(Context& context, NormalParams)
{
on_next_key_with_autoinfo(context, KeymapMode::None,
[](Key key, Context& context) {
if (not iswprint(key.key))
return;
ScopedEdition edition(context);
Buffer& buffer = context.buffer();
SelectionList& selections = context.selections();
Vector<String> strings;
for (auto& sel : selections)
{
CharCount count = char_length(buffer, sel);
strings.emplace_back(key.key, count);
}
selections.insert(strings, InsertMode::Replace);
}, "replace with char", "enter char to replace with\n");
}
Codepoint to_lower(Codepoint cp) { return tolower(cp); }
Codepoint to_upper(Codepoint cp) { return toupper(cp); }
Codepoint swap_case(Codepoint cp)
{
Codepoint res = std::tolower(cp);
return res == cp ? std::toupper(cp) : res;
}
template<Codepoint (*func)(Codepoint)>
void for_each_char(Context& context, NormalParams)
{
ScopedEdition edition(context);
Vector<String> sels = context.selections_content();
for (auto& sel : sels)
{
for (auto& c : sel)
c = func(c);
}
context.selections().insert(sels, InsertMode::Replace);
}
void command(Context& context, NormalParams)
{
if (not CommandManager::has_instance())
return;
context.input_handler().prompt(
":", "", get_face("Prompt"),
std::bind(&CommandManager::complete, &CommandManager::instance(), _1, _2, _3, _4),
[](StringView cmdline, PromptEvent event, Context& context) {
if (context.has_ui())
{
context.ui().info_hide();
if (event == PromptEvent::Change and context.options()["autoinfo"].get<int>() > 0)
{
auto info = CommandManager::instance().command_info(context, cmdline);
Face col = get_face("Information");
if (not info.first.empty() and not info.second.empty())
context.ui().info_show(info.first, info.second, CharCoord{}, col, InfoStyle::Prompt);
}
}
if (event == PromptEvent::Validate)
CommandManager::instance().execute(cmdline, context);
});
}
template<bool replace>
void pipe(Context& context, NormalParams)
{
const char* prompt = replace ? "pipe:" : "pipe-to:";
context.input_handler().prompt(prompt, "", get_face("Prompt"), shell_complete,
[](StringView cmdline, PromptEvent event, Context& context)
{
if (event != PromptEvent::Validate)
return;
StringView real_cmd;
if (cmdline.empty())
real_cmd = context.main_sel_register_value("|");
else
{
RegisterManager::instance()['|'] = String{cmdline};
real_cmd = cmdline;
}
if (real_cmd.empty())
return;
Buffer& buffer = context.buffer();
SelectionList& selections = context.selections();
if (replace)
{
Vector<String> strings;
for (auto& sel : selections)
{
auto str = content(buffer, sel);
bool insert_eol = str.back() != '\n';
if (insert_eol)
str += '\n';
str = ShellManager::instance().pipe(str, real_cmd, context,
{}, EnvVarMap{});
if ((insert_eol or sel.max() == buffer.back_coord()) and
str.back() == '\n')
str = str.substr(0, str.length()-1);
strings.push_back(std::move(str));
}
ScopedEdition edition(context);
selections.insert(strings, InsertMode::Replace);
}
else
{
for (auto& sel : selections)
ShellManager::instance().pipe(
content(buffer, sel), real_cmd, context, {},
EnvVarMap{});
}
});
}
template<InsertMode mode>
void insert_output(Context& context, NormalParams)
{
const char* prompt = mode == InsertMode::Insert ? "insert-output:" : "append-output:";
context.input_handler().prompt(prompt, "", get_face("Prompt"), shell_complete,
[](StringView cmdline, PromptEvent event, Context& context)
{
if (event != PromptEvent::Validate)
return;
StringView real_cmd;
if (cmdline.empty())
real_cmd = context.main_sel_register_value("|");
else
{
RegisterManager::instance()['|'] = String{cmdline};
real_cmd = cmdline;
}
if (real_cmd.empty())
return;
auto str = ShellManager::instance().eval(real_cmd, context, {},
EnvVarMap{});
ScopedEdition edition(context);
context.selections().insert(str, mode);
});
}
template<Direction direction, SelectMode mode>
void select_next_match(const Buffer& buffer, SelectionList& selections,
const Regex& regex)
{
if (mode == SelectMode::Replace)
{
for (auto& sel : selections)
sel = keep_direction(find_next_match<direction>(buffer, sel, regex), sel);
}
if (mode == SelectMode::Extend)
{
for (auto& sel : selections)
sel.merge_with(find_next_match<direction>(buffer, sel, regex));
}
else if (mode == SelectMode::Append)
{
auto sel = keep_direction(
find_next_match<direction>(buffer, selections.main(), regex),
selections.main());
selections.push_back(std::move(sel));
selections.set_main_index(selections.size() - 1);
}
selections.sort_and_merge_overlapping();
}
void yank(Context& context, NormalParams params)
{
RegisterManager::instance()[params.reg] = context.selections_content();
context.print_status({ "yanked " + to_string(context.selections().size()) +
" selections to register " + StringView{params.reg},
get_face("Information") });
}
void erase_selections(Context& context, NormalParams params)
{
RegisterManager::instance()[params.reg] = context.selections_content();
ScopedEdition edition(context);
context.selections().erase();
context.selections().avoid_eol();
}
void change(Context& context, NormalParams params)
{
RegisterManager::instance()[params.reg] = context.selections_content();
enter_insert_mode<InsertMode::Replace>(context, params);
}
constexpr InsertMode adapt_for_linewise(InsertMode mode)
{
return ((mode == InsertMode::Append) ?
InsertMode::InsertAtNextLineBegin :
((mode == InsertMode::Insert) ?
InsertMode::InsertAtLineBegin :
((mode == InsertMode::Replace) ?
InsertMode::Replace : InsertMode::Insert)));
}
template<InsertMode mode>
void paste(Context& context, NormalParams params)
{
auto strings = RegisterManager::instance()[params.reg].values(context);
InsertMode effective_mode = mode;
for (auto& str : strings)
{
if (not str.empty() and str.back() == '\n')
{
effective_mode = adapt_for_linewise(mode);
break;
}
}
ScopedEdition edition(context);
context.selections().insert(strings, effective_mode);
}
template<InsertMode mode>
void paste_all(Context& context, NormalParams params)
{
auto strings = RegisterManager::instance()[params.reg].values(context);
InsertMode effective_mode = mode;
String all;
Vector<ByteCount> offsets;
for (auto& str : strings)
{
if (not str.empty() and str.back() == '\n')
effective_mode = adapt_for_linewise(mode);
all += str;
offsets.push_back(all.length());
}
auto& selections = context.selections();
{
ScopedEdition edition(context);
selections.insert(all, effective_mode, true);
}
const Buffer& buffer = context.buffer();
Vector<Selection> result;
for (auto& selection : selections)
{
ByteCount pos = 0;
for (auto offset : offsets)
{
result.push_back({ buffer.advance(selection.min(), pos),
buffer.advance(selection.min(), offset-1) });
pos = offset;
}
}
selections = std::move(result);
}
template<typename T>
void regex_prompt(Context& context, const String prompt, T func)
{
SelectionList selections = context.selections();
context.input_handler().prompt(prompt, "", get_face("Prompt"), complete_nothing,
[=](StringView str, PromptEvent event, Context& context) mutable {
try
{
if (event != PromptEvent::Change and context.has_ui())
context.ui().info_hide();
selections.update();
context.selections() = selections;
context.input_handler().set_prompt_face(get_face("Prompt"));
if (event == PromptEvent::Abort)
return;
if (event == PromptEvent::Change and
(str.empty() or not context.options()["incsearch"].get<bool>()))
return;
if (event == PromptEvent::Validate)
context.push_jump();
Regex regex = str.empty() ? Regex{}
: Regex{str.begin(), str.end()};
func(std::move(regex), event, context);
}
catch (RegexError& err)
{
if (event == PromptEvent::Validate)
throw runtime_error("regex error: "_str + err.what());
else
context.input_handler().set_prompt_face(get_face("Error"));
}
catch (std::runtime_error& err)
{
if (event == PromptEvent::Validate)
throw runtime_error("regex error: "_str + err.what());
else
{
context.input_handler().set_prompt_face(get_face("Error"));
if (context.has_ui())
{
Face face = get_face("Information");
context.ui().info_show("regex error", err.what(), CharCoord{}, face, InfoStyle::Prompt);
}
}
}
catch (runtime_error&)
{
context.selections() = selections;
// only validation should propagate errors,
// incremental search should not.
if (event == PromptEvent::Validate)
throw;
}
});
}
template<SelectMode mode, Direction direction>
void search(Context& context, NormalParams)
{
regex_prompt(context, direction == Forward ? "search:" : "reverse search:",
[](Regex ex, PromptEvent event, Context& context) {
if (ex.empty())
ex = Regex{context.main_sel_register_value("/").str()};
else if (event == PromptEvent::Validate)
RegisterManager::instance()['/'] = String{ex.str()};
if (not ex.empty() and not ex.str().empty())
select_next_match<direction, mode>(context.buffer(), context.selections(), ex);
});
}
template<SelectMode mode, Direction direction>
void search_next(Context& context, NormalParams params)
{
StringView str = context.main_sel_register_value("/");
if (not str.empty())
{
try
{
Regex ex{str.begin(), str.end()};
do {
select_next_match<direction, mode>(context.buffer(), context.selections(), ex);
} while (--params.count > 0);
}
catch (RegexError& err)
{
throw runtime_error("regex error: "_str + err.what());
}
}
else
throw runtime_error("no search pattern");
}
template<bool smart>
void use_selection_as_search_pattern(Context& context, NormalParams)
{
Vector<String> patterns;
auto& sels = context.selections();
const auto& buffer = context.buffer();
for (auto& sel : sels)
{
auto begin = utf8::make_iterator(buffer.iterator_at(sel.min()));
auto end = utf8::make_iterator(buffer.iterator_at(sel.max()))+1;
auto content = "\\Q" + String{begin.base(), end.base()} + "\\E";
if (smart)
{
if (begin == buffer.begin() or (is_word(*begin) and not is_word(*(begin-1))))
content = "\\b" + content;
if (end == buffer.end() or (is_word(*(end-1)) and not is_word(*end)))
content = content + "\\b";
}
patterns.push_back(std::move(content));
}
RegisterManager::instance()['/'] = patterns;
}
void select_regex(Context& context, NormalParams)
{
regex_prompt(context, "select:", [](Regex ex, PromptEvent event, Context& context) {
if (ex.empty())
ex = Regex{context.main_sel_register_value("/").str()};
else if (event == PromptEvent::Validate)
RegisterManager::instance()['/'] = String{ex.str()};
if (not ex.empty() and not ex.str().empty())
select_all_matches(context.selections(), ex);
});
}
void split_regex(Context& context, NormalParams)
{
regex_prompt(context, "split:", [](Regex ex, PromptEvent event, Context& context) {
if (ex.empty())
ex = Regex{context.main_sel_register_value("/").str()};
else if (event == PromptEvent::Validate)
RegisterManager::instance()['/'] = String{ex.str()};
if (not ex.empty() and not ex.str().empty())
split_selections(context.selections(), ex);
});
}
void split_lines(Context& context, NormalParams)
{
auto& selections = context.selections();
auto& buffer = context.buffer();
Vector<Selection> res;
for (auto& sel : selections)
{
if (sel.anchor().line == sel.cursor().line)
{
res.push_back(std::move(sel));
continue;
}
auto min = sel.min();
auto max = sel.max();
res.push_back(keep_direction({min, {min.line, buffer[min.line].length()-1}}, sel));
for (auto line = min.line+1; line < max.line; ++line)
res.push_back(keep_direction({line, {line, buffer[line].length()-1}}, sel));
res.push_back(keep_direction({max.line, max}, sel));
}
selections = std::move(res);
}
void join_lines_select_spaces(Context& context, NormalParams)
{
auto& buffer = context.buffer();
Vector<Selection> selections;
for (auto& sel : context.selections())
{
const LineCount min_line = sel.min().line;
const LineCount max_line = sel.max().line;
auto end_line = std::min(buffer.line_count()-1,
max_line + (min_line == max_line ? 1 : 0));
for (LineCount line = min_line; line < end_line; ++line)
{
auto begin = buffer.iterator_at({line, buffer[line].length()-1});
auto end = begin+1;
skip_while(end, buffer.end(), is_horizontal_blank);
selections.push_back({begin.coord(), (end-1).coord()});
}
}
if (selections.empty())
return;
context.selections() = selections;
ScopedEdition edition(context);
context.selections().insert(" "_str, InsertMode::Replace);
}
void join_lines(Context& context, NormalParams params)
{
SelectionList sels{context.selections()};
auto restore_sels = on_scope_end([&]{
sels.update();
context.selections() = std::move(sels);
});
join_lines_select_spaces(context, params);
}
template<bool matching>
void keep(Context& context, NormalParams)
{
constexpr const char* prompt = matching ? "keep matching:" : "keep not matching:";
regex_prompt(context, prompt, [](const Regex& ex, PromptEvent, Context& context) {
if (ex.empty())
return;
const Buffer& buffer = context.buffer();
Vector<Selection> keep;
for (auto& sel : context.selections())
{
if (regex_search(buffer.iterator_at(sel.min()),
utf8::next(buffer.iterator_at(sel.max()), buffer.end()), ex) == matching)
keep.push_back(sel);
}
if (keep.empty())
throw runtime_error("no selections remaining");
context.set_selections(std::move(keep));
});
}
void keep_pipe(Context& context, NormalParams)
{
context.input_handler().prompt(
"keep pipe:", "", get_face("Prompt"), shell_complete,
[](StringView cmdline, PromptEvent event, Context& context) {
if (event != PromptEvent::Validate)
return;
const Buffer& buffer = context.buffer();
auto& shell_manager = ShellManager::instance();
Vector<Selection> keep;
for (auto& sel : context.selections())
{
int status = 0;
shell_manager.pipe(content(buffer, sel), cmdline, context,
{}, EnvVarMap{}, &status);
if (status == 0)
keep.push_back(sel);
}
if (keep.empty())
throw runtime_error("no selections remaining");
context.set_selections(std::move(keep));
});
}
template<bool indent_empty = false>
void indent(Context& context, NormalParams)
{
CharCount indent_width = context.options()["indentwidth"].get<int>();
String indent = indent_width == 0 ? "\t" : String{' ', indent_width};
auto& buffer = context.buffer();
Vector<Selection> sels;
LineCount last_line = 0;
for (auto& sel : context.selections())
{
for (auto line = std::max(last_line, sel.min().line); line < sel.max().line+1; ++line)
{
if (indent_empty or buffer[line].length() > 1)
sels.push_back({line, line});
}
// avoid reindenting the same line if multiple selections are on it
last_line = sel.max().line+1;
}
if (not sels.empty())
{
ScopedEdition edition(context);
SelectionList selections{buffer, std::move(sels)};
selections.insert(indent, InsertMode::Insert);
}
}
template<bool deindent_incomplete = true>
void deindent(Context& context, NormalParams)
{
CharCount tabstop = context.options()["tabstop"].get<int>();
CharCount indent_width = context.options()["indentwidth"].get<int>();
if (indent_width == 0)
indent_width = tabstop;
auto& buffer = context.buffer();
Vector<Selection> sels;
LineCount last_line = 0;
for (auto& sel : context.selections())
{
for (auto line = std::max(sel.min().line, last_line);
line < sel.max().line+1; ++line)
{
CharCount width = 0;
auto content = buffer[line];
for (auto column = 0_byte; column < content.length(); ++column)
{
const char c = content[column];
if (c == '\t')
width = (width / tabstop + 1) * tabstop;
else if (c == ' ')
++width;
else
{
if (deindent_incomplete and width != 0)
sels.push_back({ line, ByteCoord{line, column-1} });
break;
}
if (width == indent_width)
{
sels.push_back({ line, ByteCoord{line, column} });
break;
}
}
}
// avoid reindenting the same line if multiple selections are on it
last_line = sel.max().line + 1;
}
if (not sels.empty())
{
ScopedEdition edition(context);
SelectionList selections{context.buffer(), std::move(sels)};
selections.erase();
}
}
template<ObjectFlags flags, SelectMode mode = SelectMode::Replace>
void select_object(Context& context, NormalParams params)
{
int level = params.count <= 0 ? 0 : params.count - 1;
on_next_key_with_autoinfo(context, KeymapMode::None,
[level](Key key, Context& context) {
if (key.modifiers != Key::Modifiers::None)
return;
const Codepoint c = key.key;
static constexpr struct
{
Codepoint key;
Selection (*func)(const Buffer&, const Selection&, ObjectFlags);
} selectors[] = {
{ 'w', select_word<Word> },
{ 'W', select_word<WORD> },
{ 's', select_sentence },
{ 'p', select_paragraph },
{ ' ', select_whitespaces },
{ 'i', select_indent },
{ 'n', select_number },
};
for (auto& sel : selectors)
{
if (c == sel.key)
return select<mode>(context, std::bind(sel.func, _1, _2, flags));
}
static constexpr struct
{
MatchingPair pair;
Codepoint name;
} surrounding_pairs[] = {
{ { '(', ')' }, 'b' },
{ { '{', '}' }, 'B' },
{ { '[', ']' }, 'r' },
{ { '<', '>' }, 'a' },
{ { '"', '"' }, 'Q' },
{ { '\'', '\'' }, 'q' },
{ { '`', '`' }, 'g' },
};
for (auto& sur : surrounding_pairs)
{
if (sur.pair.opening == c or sur.pair.closing == c or
(sur.name != 0 and sur.name == c))
return select<mode>(context, std::bind(select_surrounding, _1, _2,
sur.pair, level, flags));
}
}, "select object",
"b,(,): parenthesis block\n"
"B,{,}: braces block \n"
"r,[,]: brackets block \n"
"a,<,>: angle block \n"
"\",Q: double quote string\n"
"',q: single quote string\n"
"`,g: grave quote string \n"
"w: word \n"
"W: WORD \n"
"s: sentence \n"
"p: paragraph \n"
"␣: whitespaces \n"
"i: indent \n");
}
template<Key::NamedKey key>
void scroll(Context& context, NormalParams)
{
static_assert(key == Key::PageUp or key == Key::PageDown,
"scrool only implements PageUp and PageDown");
Window& window = context.window();
Buffer& buffer = context.buffer();
CharCoord position = window.position();
LineCount cursor_line = 0;
if (key == Key::PageUp)
{
position.line -= (window.dimensions().line - 2);
cursor_line = position.line;
}
else if (key == Key::PageDown)
{
position.line += (window.dimensions().line - 2);
cursor_line = position.line + window.dimensions().line - 1;
}
auto cursor_pos = utf8::advance(buffer.iterator_at(position.line),
buffer.iterator_at(position.line+1),
position.column);
select_coord(buffer, cursor_pos.coord(), context.selections());
window.set_position(position);
}
template<Direction direction>
void copy_selections_on_next_lines(Context& context, NormalParams params)
{
auto& selections = context.selections();
auto& buffer = context.buffer();
const CharCount tabstop = context.options()["tabstop"].get<int>();
Vector<Selection> result;
for (auto& sel : selections)
{
auto anchor = sel.anchor();
auto cursor = sel.cursor();
CharCount cursor_col = get_column(buffer, tabstop, cursor);
CharCount anchor_col = get_column(buffer, tabstop, anchor);
result.push_back(std::move(sel));
for (int i = 0; i < std::max(params.count, 1); ++i)
{
LineCount offset = (direction == Forward ? 1 : -1) * (i + 1);
const LineCount anchor_line = anchor.line + offset;
const LineCount cursor_line = cursor.line + offset;
if (anchor_line >= buffer.line_count() or cursor_line >= buffer.line_count())
continue;
ByteCount anchor_byte = get_byte_to_column(buffer, tabstop, {anchor_line, anchor_col});
ByteCount cursor_byte = get_byte_to_column(buffer, tabstop, {cursor_line, cursor_col});
if (anchor_byte != buffer[anchor_line].length() and
cursor_byte != buffer[cursor_line].length())
result.emplace_back(ByteCoord{anchor_line, anchor_byte},
ByteCoordAndTarget{cursor_line, cursor_byte, cursor.target});
}
}
selections = std::move(result);
selections.sort_and_merge_overlapping();
}
void rotate_selections(Context& context, NormalParams params)
{
context.selections().rotate_main(params.count != 0 ? params.count : 1);
}
void rotate_selections_content(Context& context, NormalParams params)
{
int group = params.count;
int count = 1;
auto strings = context.selections_content();
if (group == 0 or group > (int)strings.size())
group = (int)strings.size();
count = count % group;
for (auto it = strings.begin(); it != strings.end(); )
{
auto end = std::min(strings.end(), it + group);
std::rotate(it, end-count, end);
it = end;
}
context.selections().insert(strings, InsertMode::Replace);
context.selections().rotate_main(count);
}
enum class SelectFlags
{
None = 0,
Reverse = 1,
Inclusive = 2,
Extend = 4
};
template<> struct WithBitOps<SelectFlags> : std::true_type {};
template<SelectFlags flags>
void select_to_next_char(Context& context, NormalParams params)
{
on_next_key_with_autoinfo(context, KeymapMode::None,
[params](Key key, Context& context) {
select<flags & SelectFlags::Extend ? SelectMode::Extend : SelectMode::Replace>(
context,
std::bind(flags & SelectFlags::Reverse ? select_to_reverse : select_to,
_1, _2, key.key, params.count, flags & SelectFlags::Inclusive));
}, "select to next char","enter char to select to");
}
static bool is_basic_alpha(Codepoint c)
{
return (c >= 'a' and c <= 'z') or (c >= 'A' and c <= 'Z');
}
void start_or_end_macro_recording(Context& context, NormalParams)
{
if (context.input_handler().is_recording())
context.input_handler().stop_recording();
else
on_next_key_with_autoinfo(context, KeymapMode::None,
[](Key key, Context& context) {
if (key.modifiers == Key::Modifiers::None and is_basic_alpha(key.key))
context.input_handler().start_recording(tolower(key.key));
}, "record macro", "enter macro name ");
}
void end_macro_recording(Context& context, NormalParams)
{
if (context.input_handler().is_recording())
context.input_handler().stop_recording();
}
void replay_macro(Context& context, NormalParams params)
{
on_next_key_with_autoinfo(context, KeymapMode::None,
[params](Key key, Context& context) mutable {
if (key.modifiers == Key::Modifiers::None and is_basic_alpha(key.key))
{
static bool running_macros[26] = {};
const char name = tolower(key.key);
const size_t idx = (size_t)(name - 'a');
if (running_macros[idx])
throw runtime_error("recursive macros call detected");
ConstArrayView<String> reg_val = RegisterManager::instance()[name].values(context);
if (not reg_val.empty())
{
running_macros[idx] = true;
auto stop = on_scope_end([&]{ running_macros[idx] = false; });
auto keys = parse_keys(reg_val[0]);
ScopedEdition edition(context);
do { exec_keys(keys, context); } while (--params.count > 0);
}
}
}, "replay macro", "enter macro name");
}
template<Direction direction>
void jump(Context& context, NormalParams)
{
auto jump = (direction == Forward) ?
context.jump_forward() : context.jump_backward();
Buffer& buffer = const_cast<Buffer&>(jump.buffer());
BufferManager::instance().set_last_used_buffer(buffer);
if (&buffer != &context.buffer())
context.change_buffer(buffer);
context.selections() = jump;
}
void save_selections(Context& context, NormalParams)
{
context.push_jump();
context.print_status({ "saved " + to_string(context.selections().size()) +
" selections", get_face("Information") });
}
void align(Context& context, NormalParams)
{
auto& selections = context.selections();
auto& buffer = context.buffer();
const CharCount tabstop = context.options()["tabstop"].get<int>();
Vector<Vector<const Selection*>> columns;
LineCount last_line = -1;
size_t column = 0;
for (auto& sel : selections)
{
auto line = sel.cursor().line;
if (sel.anchor().line != line)
throw runtime_error("align cannot work with multi line selections");
column = (line == last_line) ? column + 1 : 0;
if (column >= columns.size())
columns.resize(column+1);
columns[column].push_back(&sel);
last_line = line;
}
const bool use_tabs = context.options()["aligntab"].get<bool>();
for (auto& col : columns)
{
CharCount maxcol = 0;
for (auto& sel : col)
maxcol = std::max(get_column(buffer, tabstop, sel->cursor()), maxcol);
for (auto& sel : col)
{
auto insert_coord = sel->min();
auto lastcol = get_column(buffer, tabstop, sel->cursor());
String padstr;
if (not use_tabs)
padstr = String{ ' ', maxcol - lastcol };
else
{
auto inscol = get_column(buffer, tabstop, insert_coord);
auto targetcol = maxcol - (lastcol - inscol);
auto tabcol = inscol - (inscol % tabstop);
auto tabs = (targetcol - tabcol) / tabstop;
auto spaces = targetcol - (tabs ? (tabcol + tabs * tabstop) : inscol);
padstr = String{ '\t', tabs } + String{ ' ', spaces };
}
buffer.insert(buffer.iterator_at(insert_coord), std::move(padstr));
}
selections.update();
}
}
void copy_indent(Context& context, NormalParams params)
{
int selection = params.count;
auto& buffer = context.buffer();
auto& selections = context.selections();
Vector<LineCount> lines;
for (auto sel : selections)
{
for (LineCount l = sel.min().line; l < sel.max().line + 1; ++l)
lines.push_back(l);
}
if (selection > selections.size())
throw runtime_error("invalid selection index");
if (selection == 0)
selection = context.selections().main_index() + 1;
auto ref_line = selections[selection-1].min().line;
auto line = buffer[ref_line];
auto it = line.begin();
while (it != line.end() and is_horizontal_blank(*it))
++it;
const StringView indent = line.substr(0_byte, (int)(it-line.begin()));
ScopedEdition edition{context};
for (auto& l : lines)
{
if (l == ref_line)
continue;
auto line = buffer[l];
ByteCount i = 0;
while (i < line.length() and is_horizontal_blank(line[i]))
++i;
buffer.erase(buffer.iterator_at(l), buffer.iterator_at({l, i}));
buffer.insert(buffer.iterator_at(l), indent);
}
}
void tabs_to_spaces(Context& context, NormalParams params)
{
auto& buffer = context.buffer();
const CharCount opt_tabstop = context.options()["tabstop"].get<int>();
const CharCount tabstop = params.count == 0 ? opt_tabstop : params.count;
Vector<Selection> tabs;
Vector<String> spaces;
for (auto& sel : context.selections())
{
for (auto it = buffer.iterator_at(sel.min()),
end = buffer.iterator_at(sel.max())+1; it != end; ++it)
{
if (*it == '\t')
{
CharCount col = get_column(buffer, opt_tabstop, it.coord());
CharCount end_col = (col / tabstop + 1) * tabstop;
tabs.push_back({ it.coord() });
spaces.push_back(String{ ' ', end_col - col });
}
}
}
if (not tabs.empty())
SelectionList{ buffer, std::move(tabs) }.insert(spaces, InsertMode::Replace);
}
void spaces_to_tabs(Context& context, NormalParams params)
{
auto& buffer = context.buffer();
const CharCount opt_tabstop = context.options()["tabstop"].get<int>();
const CharCount tabstop = params.count == 0 ? opt_tabstop : params.count;
Vector<Selection> spaces;
for (auto& sel : context.selections())
{
for (auto it = buffer.iterator_at(sel.min()),
end = buffer.iterator_at(sel.max())+1; it != end;)
{
if (*it == ' ')
{
auto spaces_beg = it;
auto spaces_end = spaces_beg+1;
CharCount col = get_column(buffer, opt_tabstop, spaces_end.coord());
while (*spaces_end == ' ' and (col % tabstop) != 0)
{
++spaces_end;
++col;
}
if ((col % tabstop) == 0)
spaces.push_back({spaces_beg.coord(), (spaces_end-1).coord()});
else if (*spaces_end == '\t')
spaces.push_back({spaces_beg.coord(), spaces_end.coord()});
it = spaces_end;
}
else
++it;
}
}
if (not spaces.empty())
SelectionList{ buffer, std::move(spaces) }.insert("\t"_str, InsertMode::Replace);
}
void undo(Context& context, NormalParams)
{
Buffer& buffer = context.buffer();
size_t timestamp = buffer.timestamp();
bool res = buffer.undo();
if (res)
{
auto ranges = compute_modified_ranges(buffer, timestamp);
if (not ranges.empty())
context.set_selections(std::move(ranges));
context.selections().avoid_eol();
}
else if (not res)
context.print_status({ "nothing left to undo", get_face("Information") });
}
void redo(Context& context, NormalParams)
{
using namespace std::placeholders;
Buffer& buffer = context.buffer();
size_t timestamp = buffer.timestamp();
bool res = buffer.redo();
if (res)
{
auto ranges = compute_modified_ranges(buffer, timestamp);
if (not ranges.empty())
context.set_selections(std::move(ranges));
context.selections().avoid_eol();
}
else if (not res)
context.print_status({ "nothing left to redo", get_face("Information") });
}
void exec_user_mappings(Context& context, NormalParams params)
{
on_next_key_with_autoinfo(context, KeymapMode::None,
[params](Key key, Context& context) mutable {
if (not context.keymaps().is_mapped(key, KeymapMode::User))
return;
auto mapping = context.keymaps().get_mapping(key, KeymapMode::User);
ScopedEdition edition(context);
exec_keys(mapping, context);
}, "user mapping", "enter user key");
}
template<typename T>
class Repeated
{
public:
constexpr Repeated(T t) : m_func(t) {}
void operator() (Context& context, NormalParams params)
{
ScopedEdition edition(context);
do { m_func(context, {0, params.reg}); } while(--params.count > 0);
}
private:
T m_func;
};
template<void (*func)(Context&, NormalParams)>
void repeated(Context& context, NormalParams params)
{
ScopedEdition edition(context);
do { func(context, {0, params.reg}); } while(--params.count > 0);
}
template<typename Type, Direction direction, SelectMode mode = SelectMode::Replace>
void move(Context& context, NormalParams params)
{
kak_assert(mode == SelectMode::Replace or mode == SelectMode::Extend);
Type offset(std::max(params.count,1));
if (direction == Backward)
offset = -offset;
auto& selections = context.selections();
for (auto& sel : selections)
{
auto cursor = context.has_window() ? context.window().offset_coord(sel.cursor(), offset)
: context.buffer().offset_coord(sel.cursor(), offset);
sel.anchor() = mode == SelectMode::Extend ? sel.anchor() : cursor;
sel.cursor() = cursor;
}
selections.avoid_eol();
selections.sort_and_merge_overlapping();
}
void select_whole_buffer(Context& context, NormalParams)
{
select_buffer(context.selections());
}
void keep_selection(Context& context, NormalParams p)
{
keep_selection(context.selections(), p.count ? p.count-1 : context.selections().main_index());
}
void remove_selection(Context& context, NormalParams p)
{
remove_selection(context.selections(), p.count ? p.count-1 : context.selections().main_index());
}
void clear_selections(Context& context, NormalParams)
{
clear_selections(context.selections());
}
void flip_selections(Context& context, NormalParams)
{
flip_selections(context.selections());
}
static NormalCmdDesc cmds[] =
{
{ 'h', "move left", move<CharCount, Backward> },
{ 'j', "move down", move<LineCount, Forward> },
{ 'k', "move up", move<LineCount, Backward> },
{ 'l', "move right", move<CharCount, Forward> },
{ 'H', "extend left", move<CharCount, Backward, SelectMode::Extend> },
{ 'J', "extend down", move<LineCount, Forward, SelectMode::Extend> },
{ 'K', "extend up", move<LineCount, Backward, SelectMode::Extend> },
{ 'L', "extend right", move<CharCount, Forward, SelectMode::Extend> },
{ 't', "select to next character", select_to_next_char<SelectFlags::None> },
{ 'f', "select to next character included", select_to_next_char<SelectFlags::Inclusive> },
{ 'T', "extend to next character", select_to_next_char<SelectFlags::Extend> },
{ 'F', "extend to next character included", select_to_next_char<SelectFlags::Inclusive | SelectFlags::Extend> },
{ alt('t'), "select to previous character", select_to_next_char<SelectFlags::Reverse> },
{ alt('f'), "select to previous character included", select_to_next_char<SelectFlags::Inclusive | SelectFlags::Reverse> },
{ alt('T'), "extend to previous character", select_to_next_char<SelectFlags::Extend | SelectFlags::Reverse> },
{ alt('F'), "extend to previous character included", select_to_next_char<SelectFlags::Inclusive | SelectFlags::Extend | SelectFlags::Reverse> },
{ 'd', "erase selected text", erase_selections },
{ 'c', "change selected text", change },
{ 'i', "insert before selected text", enter_insert_mode<InsertMode::Insert> },
{ 'I', "insert at line begin", enter_insert_mode<InsertMode::InsertAtLineBegin> },
{ 'a', "insert after selected text", enter_insert_mode<InsertMode::Append> },
{ 'A', "insert at line end", enter_insert_mode<InsertMode::AppendAtLineEnd> },
{ 'o', "insert on new line below", enter_insert_mode<InsertMode::OpenLineBelow> },
{ 'O', "insert on new line above", enter_insert_mode<InsertMode::OpenLineAbove> },
{ 'r', "replace with character", replace_with_char },
{ 'g', "go to location", goto_commands<SelectMode::Replace> },
{ 'G', "extend to location", goto_commands<SelectMode::Extend> },
{ 'v', "move view", view_commands },
{ 'y', "yank selected text", yank },
{ 'p', "paste after selected text", repeated<paste<InsertMode::Append>> },
{ 'P', "paste before selected text", repeated<paste<InsertMode::Insert>> },
{ alt('p'), "paste every yanked selection after selected text", paste_all<InsertMode::Append> },
{ alt('P'), "paste every yanked selection before selected text", paste_all<InsertMode::Insert> },
{ 'R', "replace selected text with yanked text", paste<InsertMode::Replace> },
{ 's', "select regex matches in selected text", select_regex },
{ 'S', "split selected text on regex matches", split_regex },
{ alt('s'), "split selected text on line ends", split_lines },
{ '.', "repeat last insert command", repeat_last_insert },
{ '%', "select whole buffer", select_whole_buffer },
{ ':', "enter command prompt", command },
{ '|', "pipe each selection through filter and replace with output", pipe<true> },
{ alt('|'), "pipe each selection through command and ignore output", pipe<false> },
{ '!', "insert command output", insert_output<InsertMode::Insert> },
{ alt('!'), "append command output", insert_output<InsertMode::Append> },
{ ' ', "remove all selection except main", keep_selection },
{ alt(' '), "remove main selection", remove_selection },
{ ';', "reduce selections to their cursor", clear_selections },
{ alt(';'), "swap selections cursor and anchor", flip_selections },
{ 'w', "select to next word start", repeated<&select<SelectMode::Replace, select_to_next_word<Word>>> },
{ 'e', "select to next word end", repeated<select<SelectMode::Replace, select_to_next_word_end<Word>>> },
{ 'b', "select to prevous word start", repeated<select<SelectMode::Replace, select_to_previous_word<Word>>> },
{ 'W', "extend to next word start", repeated<select<SelectMode::Extend, select_to_next_word<Word>>> },
{ 'E', "extend to next word end", repeated<select<SelectMode::Extend, select_to_next_word_end<Word>>> },
{ 'B', "extend to prevous word start", repeated<select<SelectMode::Extend, select_to_previous_word<Word>>> },
{ alt('w'), "select to next WORD start", repeated<select<SelectMode::Replace, select_to_next_word<WORD>>> },
{ alt('e'), "select to next WORD end", repeated<select<SelectMode::Replace, select_to_next_word_end<WORD>>> },
{ alt('b'), "select to prevous WORD start", repeated<select<SelectMode::Replace, select_to_previous_word<WORD>>> },
{ alt('W'), "extend to next WORD start", repeated<select<SelectMode::Extend, select_to_next_word<WORD>>> },
{ alt('E'), "extend to next WORD end", repeated<select<SelectMode::Extend, select_to_next_word_end<WORD>>> },
{ alt('B'), "extend to prevous WORD start", repeated<select<SelectMode::Extend, select_to_previous_word<WORD>>> },
{ alt('l'), "select to line end", repeated<select<SelectMode::Replace, select_to_eol>> },
{ alt('L'), "extend to line end", repeated<select<SelectMode::Extend, select_to_eol>> },
{ alt('h'), "select to line begin", repeated<select<SelectMode::Replace, select_to_eol_reverse>> },
{ alt('H'), "extend to line begin", repeated<select<SelectMode::Extend, select_to_eol_reverse>> },
{ 'x', "select line", repeated<select<SelectMode::Replace, select_line>> },
{ 'X', "extend line", repeated<select<SelectMode::Extend, select_line>> },
{ alt('x'), "extend selections to whole lines", select<SelectMode::Replace, select_lines> },
{ alt('X'), "crop selections to whole lines", select<SelectMode::Replace, trim_partial_lines> },
{ 'm', "select to matching character", select<SelectMode::Replace, select_matching> },
{ 'M', "extend to matching character", select<SelectMode::Extend, select_matching> },
{ '/', "select next given regex match", search<SelectMode::Replace, Forward> },
{ '?', "extend with next given regex match", search<SelectMode::Extend, Forward> },
{ alt('/'), "select previous given regex match", search<SelectMode::Replace, Backward> },
{ alt('?'), "extend with previous given regex match", search<SelectMode::Extend, Backward> },
{ 'n', "select next current search pattern match", search_next<SelectMode::Replace, Forward> },
{ 'N', "extend with next current search pattern match", search_next<SelectMode::Append, Forward> },
{ alt('n'), "select previous current search pattern match", search_next<SelectMode::Replace, Backward> },
{ alt('N'), "extend with previous current search pattern match", search_next<SelectMode::Append, Backward> },
{ '*', "set search pattern to main selection content", use_selection_as_search_pattern<true> },
{ alt('*'), "set search pattern to main selection content, do not detect words", use_selection_as_search_pattern<false> },
{ 'u', "undo", undo },
{ 'U', "redo", redo },
{ alt('i'), "select inner object", select_object<ObjectFlags::ToBegin | ObjectFlags::ToEnd | ObjectFlags::Inner> },
{ alt('a'), "select whole object", select_object<ObjectFlags::ToBegin | ObjectFlags::ToEnd> },
{ '[', "select to object start", select_object<ObjectFlags::ToBegin> },
{ ']', "select to object end", select_object<ObjectFlags::ToEnd> },
{ '{', "extend to object start", select_object<ObjectFlags::ToBegin, SelectMode::Extend> },
{ '}', "extend to object end", select_object<ObjectFlags::ToEnd, SelectMode::Extend> },
{ alt('['), "select to inner object start", select_object<ObjectFlags::ToBegin | ObjectFlags::Inner> },
{ alt(']'), "select to inner object end", select_object<ObjectFlags::ToEnd | ObjectFlags::Inner> },
{ alt('{'), "extend to inner object start", select_object<ObjectFlags::ToBegin | ObjectFlags::Inner, SelectMode::Extend> },
{ alt('}'), "extend to inner object end", select_object<ObjectFlags::ToEnd | ObjectFlags::Inner, SelectMode::Extend> },
{ alt('j'), "join lines", join_lines },
{ alt('J'), "join lines and select spaces", join_lines_select_spaces },
{ alt('k'), "keep selections matching given regex", keep<true> },
{ alt('K'), "keep selections not matching given regex", keep<false> },
{ '$', "pipe each selection through shell command and keep the ones whose command succeed", keep_pipe },
{ '<', "deindent", deindent<true> },
{ '>', "indent", indent<false> },
{ alt('>'), "indent, including empty lines", indent<true> },
{ alt('<'), "deindent, not including incomplete indent", deindent<false> },
{ ctrl('i'), "jump forward in jump list",jump<Forward> },
{ ctrl('o'), "jump backward in jump list", jump<Backward> },
{ ctrl('s'), "push current selections in jump list", save_selections },
{ alt('r'), "rotate main selection", rotate_selections },
{ alt('R'), "rotate selections content", rotate_selections_content },
{ 'q', "replay recorded macro", replay_macro },
{ 'Q', "start or end macro recording", start_or_end_macro_recording },
{ Key::Escape, "end macro recording", end_macro_recording },
{ '`', "convert to lower case in selections", for_each_char<to_lower> },
{ '~', "convert to upper case in selections", for_each_char<to_upper> },
{ alt('`'), "swap case in selections", for_each_char<swap_case> },
{ '&', "align selection cursors", align },
{ alt('&'), "copy indentation", copy_indent },
{ '@', "convert tabs to spaces in selections", tabs_to_spaces },
{ alt('@'), "convert spaces to tabs in selections", spaces_to_tabs },
{ 'C', "copy selection on next lines", copy_selections_on_next_lines<Forward> },
{ alt('C'), "copy selection on previous lines", copy_selections_on_next_lines<Backward> },
{ ',', "user mappings", exec_user_mappings },
{ Key::Left, "move left", move<CharCount, Backward> },
{ Key::Down, "move down", move<LineCount, Forward> },
{ Key::Up, "move up", move<LineCount, Backward> },
{ Key::Right, "move right", move<CharCount, Forward> },
{ ctrl('b'), "scroll one page up", scroll<Key::PageUp> },
{ ctrl('f'), "scroll one page down", scroll<Key::PageDown> },
{ Key::PageUp, "scroll one page up", scroll<Key::PageUp> },
{ Key::PageDown, "scroll one page down", scroll<Key::PageDown> },
};
KeyMap keymap = cmds;
}