home/src/commands.cc

975 lines
35 KiB
C++

#include "commands.hh"
#include "buffer.hh"
#include "buffer_manager.hh"
#include "client_manager.hh"
#include "color_registry.hh"
#include "command_manager.hh"
#include "completion.hh"
#include "context.hh"
#include "debug.hh"
#include "event_manager.hh"
#include "file.hh"
#include "highlighter.hh"
#include "highlighters.hh"
#include "client.hh"
#include "option_manager.hh"
#include "option_types.hh"
#include "parameters_parser.hh"
#include "register_manager.hh"
#include "shell_manager.hh"
#include "string.hh"
#include "user_interface.hh"
#include "utf8_iterator.hh"
#include "window.hh"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
namespace Kakoune
{
namespace
{
Buffer* open_or_create(const String& filename, Context& context)
{
Buffer* buffer = create_buffer_from_file(filename);
if (not buffer)
{
context.print_status({ "new file " + filename, get_color("StatusLine") });
buffer = new Buffer(filename, Buffer::Flags::File | Buffer::Flags::New);
}
return buffer;
}
Buffer* open_fifo(const String& name , const String& filename, Context& context)
{
int fd = open(parse_filename(filename).c_str(), O_RDONLY);
fcntl(fd, F_SETFD, FD_CLOEXEC);
if (fd < 0)
throw runtime_error("unable to open " + filename);
BufferManager::instance().delete_buffer_if_exists(name);
Buffer* buffer = new Buffer(name, Buffer::Flags::Fifo | Buffer::Flags::NoUndo);
auto watcher = new FDWatcher(fd, [buffer](FDWatcher& watcher) {
constexpr size_t buffer_size = 1024 * 16;
char data[buffer_size];
ssize_t count = read(watcher.fd(), data, buffer_size);
buffer->insert(buffer->end()-1, count > 0 ? String(data, data+count)
: "*** kak: fifo closed ***\n");
if (count <= 0)
{
kak_assert(buffer->flags() & Buffer::Flags::Fifo);
buffer->flags() &= ~Buffer::Flags::Fifo;
buffer->flags() &= ~Buffer::Flags::NoUndo;
close(watcher.fd());
delete &watcher;
}
});
buffer->hooks().add_hook("BufClose", "",
[buffer, watcher](const String&, const Context&) {
// Check if fifo is still alive, else watcher is already dead
if (buffer->flags() & Buffer::Flags::Fifo)
{
close(watcher->fd());
delete watcher;
}
});
return buffer;
}
static const ParameterDesc edit_params{
OptionMap{ { "scratch", { false, "create a scratch buffer, not linked to a file" } },
{ "fifo", { true, "create a buffer reading its content from a named fifo" } } },
ParameterDesc::Flags::None, 1, 3
};
template<bool force_reload>
void edit(const ParametersParser& parser, Context& context)
{
const String name = parser[0];
Buffer* buffer = nullptr;
if (not force_reload)
buffer = BufferManager::instance().get_buffer_ifp(name);
if (not buffer)
{
if (parser.has_option("scratch"))
{
BufferManager::instance().delete_buffer_if_exists(name);
buffer = new Buffer(name, Buffer::Flags::None);
}
else if (parser.has_option("fifo"))
buffer = open_fifo(name, parser.option_value("fifo"), context);
else
buffer = open_or_create(name, context);
}
BufferManager::instance().set_last_used_buffer(*buffer);
const size_t param_count = parser.positional_count();
if (buffer != &context.buffer() or param_count > 1)
context.push_jump();
if (buffer != &context.buffer())
context.change_buffer(*buffer);
if (param_count > 1 and not parser[1].empty())
{
int line = std::max(0, str_to_int(parser[1]) - 1);
int column = param_count > 2 and not parser[2].empty() ?
std::max(0, str_to_int(parser[2]) - 1) : 0;
context.selections() = context.buffer().clamp({ line, column });
if (context.has_window())
context.window().center_line(context.selections().main().cursor().line);
}
}
static const ParameterDesc write_params{
OptionMap{},
ParameterDesc::Flags::None, 0, 1
};
void write_buffer(const ParametersParser& parser, Context& context)
{
Buffer& buffer = context.buffer();
if (parser.positional_count() == 0 and !(buffer.flags() & Buffer::Flags::File))
throw runtime_error("cannot write a non file buffer without a filename");
String filename = parser.positional_count() == 0 ? buffer.name()
: parse_filename(parser[0]);
write_buffer_to_file(buffer, filename);
}
static const ParameterDesc no_params{
OptionMap{},
ParameterDesc::Flags::None, 0, 0
};
void write_all_buffers(const ParametersParser& parser, Context& context)
{
for (auto& buffer : BufferManager::instance())
{
if ((buffer->flags() & Buffer::Flags::File) and buffer->is_modified())
write_buffer_to_file(*buffer, buffer->name());
}
}
template<bool force>
void quit(const ParametersParser& parser, Context& context)
{
if (not force and ClientManager::instance().count() == 1)
{
std::vector<String> names;
for (auto& buffer : BufferManager::instance())
{
if ((buffer->flags() & Buffer::Flags::File) and buffer->is_modified())
names.push_back(buffer->name());
}
if (not names.empty())
{
String message = "modified buffers remaining: [";
for (auto it = names.begin(); it != names.end(); ++it)
{
if (it != names.begin())
message += ", ";
message += *it;
}
message += "]";
throw runtime_error(message);
}
}
// unwind back to this client event handler.
throw client_removed{};
}
template<bool force>
void write_and_quit(const ParametersParser& parser, Context& context)
{
write_buffer(parser, context);
quit<force>(ParametersParser{memoryview<String>{}, no_params}, context);
}
static const ParameterDesc single_name_params{ OptionMap{}, ParameterDesc::Flags::None, 1, 1 };
void show_buffer(const ParametersParser& parser, Context& context)
{
Buffer& buffer = BufferManager::instance().get_buffer(parser[0]);
BufferManager::instance().set_last_used_buffer(buffer);
if (&buffer != &context.buffer())
{
context.push_jump();
context.change_buffer(buffer);
}
}
static const ParameterDesc single_opt_name_params{ OptionMap{}, ParameterDesc::Flags::None, 0, 1 };
template<bool force>
void delete_buffer(const ParametersParser& parser, Context& context)
{
BufferManager& manager = BufferManager::instance();
Buffer& buffer = parser.positional_count() == 0 ? context.buffer() : manager.get_buffer(parser[0]);
if (not force and (buffer.flags() & Buffer::Flags::File) and buffer.is_modified())
throw runtime_error("buffer " + buffer.name() + " is modified");
if (manager.count() == 1)
throw runtime_error("buffer " + buffer.name() + " is the last one");
manager.delete_buffer(buffer);
}
void set_buffer_name(const ParametersParser& parser, Context& context)
{
if (not context.buffer().set_name(parser[0]))
throw runtime_error("unable to change buffer name to " + parser[0]);
}
void define_highlighter(const ParametersParser& parser, Context& context)
{
const String& name = parser[0];
DefinedHighlighters::instance().append({name, HighlighterGroup{}});
}
static const ParameterDesc add_highlighter_params{
OptionMap{ { "group", { true, "add highlighter to named group" } },
{ "def-group", { true, "add highlighter to reusable defined group" } } },
ParameterDesc::Flags::None, 1
};
void add_highlighter(const ParametersParser& parser, Context& context)
{
HighlighterRegistry& registry = HighlighterRegistry::instance();
auto begin = parser.begin();
const String& name = *begin;
std::vector<String> highlighter_params;
for (++begin; begin != parser.end(); ++begin)
highlighter_params.push_back(*begin);
if (parser.has_option("group") and parser.has_option("def-group"))
throw runtime_error("-group and -def-group cannot be specified together");
HighlighterGroup* group = nullptr;
if (parser.has_option("def-group"))
group = &DefinedHighlighters::instance().get_group(parser.option_value("def-group"), '/');
else
{
HighlighterGroup& window_hl = context.window().highlighters();
group = parser.has_option("group") ?
&window_hl.get_group(parser.option_value("group"), '/')
: &window_hl;
}
group->append(registry[name](highlighter_params));
}
static const ParameterDesc rm_highlighter_params{
OptionMap{ { "group", { true, "remove highlighter from given group" } } },
ParameterDesc::Flags::None, 1, 1
};
void rm_highlighter(const ParametersParser& parser, Context& context)
{
HighlighterGroup& window_hl = context.window().highlighters();
HighlighterGroup& group = parser.has_option("group") ?
window_hl.get_group(parser.option_value("group"), '/')
: window_hl;
group.remove(parser[0]);
}
static HookManager& get_hook_manager(const String& scope, Context& context)
{
if (prefix_match("global", scope))
return GlobalHooks::instance();
else if (prefix_match("buffer", scope))
return context.buffer().hooks();
else if (prefix_match("window", scope))
return context.window().hooks();
throw runtime_error("error: no such hook container " + scope);
}
static const ParameterDesc add_hook_params{
OptionMap{ { "id", { true, "set hook id" } } }, ParameterDesc::Flags::None, 4, 4
};
void add_hook(const ParametersParser& parser, Context& context)
{
// copy so that the lambda gets a copy as well
Regex regex(parser[2].begin(), parser[2].end());
String command = parser[3];
auto hook_func = [=](const String& param, Context& context) {
if (boost::regex_match(param.begin(), param.end(), regex))
CommandManager::instance().execute(command, context, {},
{ { "hook_param", param } });
};
String id = parser.has_option("id") ? parser.option_value("id") : "";
get_hook_manager(parser[0], context).add_hook(parser[1], id, hook_func);
}
static const ParameterDesc rm_hooks_params{
OptionMap{}, ParameterDesc::Flags::None, 2, 2
};
void rm_hooks(const ParametersParser& parser, Context& context)
{
get_hook_manager(parser[0], context).remove_hooks(parser[1]);
}
EnvVarMap params_to_env_var_map(const ParametersParser& parser)
{
std::unordered_map<String, String> vars;
char param_name[] = "param0";
for (size_t i = 0; i < parser.positional_count(); ++i)
{
param_name[sizeof(param_name) - 2] = '0' + i;
vars[param_name] = parser[i];
}
return vars;
}
std::vector<String> params_to_shell(const ParametersParser& parser)
{
std::vector<String> vars;
for (size_t i = 0; i < parser.positional_count(); ++i)
vars.push_back(parser[i]);
return vars;
}
static const ParameterDesc define_command_params{
OptionMap{ { "env-params", { false, "pass parameters as env variables param0..paramN" } },
{ "shell-params", { false, "pass parameters to each shell escape as $0..$N" } },
{ "allow-override", { false, "allow overriding existing command" } },
{ "file-completion", { false, "complete parameters using filename completion" } },
{ "hidden", { false, "do not display the command as completion candidate" } },
{ "shell-completion", { true, "complete the parameters using the given shell-script" } } },
ParameterDesc::Flags::None,
2, 2
};
void define_command(const ParametersParser& parser, Context& context)
{
auto begin = parser.begin();
const String& cmd_name = *begin;
if (CommandManager::instance().command_defined(cmd_name) and
not parser.has_option("allow-override"))
throw runtime_error("command '" + cmd_name + "' already defined");
CommandFlags flags = CommandFlags::None;
if (parser.has_option("hidden"))
flags = CommandFlags::Hidden;
String commands = parser[1];
Command cmd;
ParameterDesc desc;
if (parser.has_option("env-params"))
{
desc = ParameterDesc{ OptionMap{}, ParameterDesc::Flags::None };
cmd = [=](const ParametersParser& parser, Context& context) {
CommandManager::instance().execute(commands, context, {},
params_to_env_var_map(parser));
};
}
if (parser.has_option("shell-params"))
{
desc = ParameterDesc{ OptionMap{}, ParameterDesc::Flags::None };
cmd = [=](const ParametersParser& parser, Context& context) {
CommandManager::instance().execute(commands, context, params_to_shell(parser));
};
}
else
{
desc = ParameterDesc{ OptionMap{}, ParameterDesc::Flags::None, 0, 0 };
cmd = [=](const ParametersParser& parser, Context& context) {
CommandManager::instance().execute(commands, context);
};
}
CommandCompleter completer;
if (parser.has_option("file-completion"))
{
completer = [](const Context& context, CompletionFlags flags,
CommandParameters params,
size_t token_to_complete, ByteCount pos_in_token)
{
const String& prefix = params[token_to_complete];
auto& ignored_files = context.options()["ignored_files"].get<Regex>();
return Completions{ 0_byte, prefix.length(),
complete_filename(prefix, ignored_files,
pos_in_token) };
};
}
else if (parser.has_option("shell-completion"))
{
String shell_cmd = parser.option_value("shell-completion");
completer = [=](const Context& context, CompletionFlags flags,
CommandParameters params,
size_t token_to_complete, ByteCount pos_in_token)
{
if (flags == CompletionFlags::Fast) // no shell on fast completion
return Completions{};
EnvVarMap vars = {
{ "token_to_complete", to_string(token_to_complete) },
{ "pos_in_token", to_string(pos_in_token) }
};
String output = ShellManager::instance().eval(shell_cmd, context, params, vars);
return Completions{ 0_byte, params[token_to_complete].length(), split(output, '\n') };
};
}
CommandManager::instance().register_command(cmd_name, cmd, desc, flags, completer);
}
static const ParameterDesc echo_message_params{
OptionMap{ { "color", { true, "set message color" } } },
ParameterDesc::Flags::OptionsOnlyAtStart
};
void echo_message(const ParametersParser& parser, Context& context)
{
String message;
for (auto& param : parser)
message += param + " ";
ColorPair color = get_color(parser.has_option("color") ?
parser.option_value("color") : "StatusLine");
context.print_status({ std::move(message), color } );
}
static const ParameterDesc write_debug_message_params{
OptionMap{},
ParameterDesc::Flags::OptionsOnlyAtStart
};
void write_debug_message(const ParametersParser& parser, Context&)
{
String message;
for (auto& param : parser)
message += param + " ";
write_debug(message);
}
static const ParameterDesc exec_commands_in_file_params{
OptionMap{},
ParameterDesc::Flags::None,
1, 1
};
void exec_commands_in_file(const ParametersParser& parser,
Context& context)
{
String file_content = read_file(parse_filename(parser[0]));
try
{
CommandManager::instance().execute(file_content, context);
}
catch (Kakoune::runtime_error& err)
{
write_debug("error while executing commands in file '" + parser[0]
+ "'\n " + err.what());
throw;
}
}
static OptionManager& get_options(const String& scope, const Context& context)
{
if (prefix_match("global", scope))
return GlobalOptions::instance();
else if (prefix_match("buffer", scope))
return context.buffer().options();
else if (prefix_match("window", scope))
return context.window().options();
else if (prefix_match(scope, "buffer="))
return BufferManager::instance().get_buffer(scope.substr(7_byte)).options();
throw runtime_error("error: no such option container " + scope);
}
static const ParameterDesc set_option_params{
OptionMap{ { "add", { false, "add to option rather than replacing it" } } },
ParameterDesc::Flags::OptionsOnlyAtStart,
3, 3
};
void set_option(const ParametersParser& parser, Context& context)
{
Option& opt = get_options(parser[0], context).get_local_option(parser[1]);
if (parser.has_option("add"))
opt.add_from_string(parser[2]);
else
opt.set_from_string(parser[2]);
}
static const ParameterDesc declare_option_params{
OptionMap{ { "hidden", { false, "do not display option name when completing" } } },
ParameterDesc::Flags::OptionsOnlyAtStart,
2, 3
};
void declare_option(const ParametersParser& parser, Context& context)
{
Option* opt = nullptr;
Option::Flags flags = Option::Flags::None;
if (parser.has_option("hidden"))
flags = Option::Flags::Hidden;
GlobalOptions& opts = GlobalOptions::instance();
if (parser[0] == "int")
opt = &opts.declare_option<int>(parser[1], 0, flags);
if (parser[0] == "bool")
opt = &opts.declare_option<bool>(parser[1], 0, flags);
else if (parser[0] == "str")
opt = &opts.declare_option<String>(parser[1], "", flags);
else if (parser[0] == "regex")
opt = &opts.declare_option<Regex>(parser[1], Regex{}, flags);
else if (parser[0] == "int-list")
opt = &opts.declare_option<std::vector<int>>(parser[1], {}, flags);
else if (parser[0] == "str-list")
opt = &opts.declare_option<std::vector<String>>(parser[1], {}, flags);
else if (parser[0] == "line-flag-list")
opt = &opts.declare_option<std::vector<LineAndFlag>>(parser[1], {}, flags);
else
throw runtime_error("unknown type " + parser[0]);
if (parser.positional_count() == 3)
opt->set_from_string(parser[2]);
}
KeymapManager& get_keymap_manager(const String& scope, Context& context)
{
if (prefix_match("global", scope))
return GlobalKeymaps::instance();
else if (prefix_match("buffer", scope))
return context.buffer().keymaps();
else if (prefix_match("window", scope))
return context.window().keymaps();
throw runtime_error("error: no such keymap container " + scope);
}
KeymapMode parse_keymap_mode(const String& str)
{
if (prefix_match("normal", str)) return KeymapMode::Normal;
if (prefix_match("insert", str)) return KeymapMode::Insert;
if (prefix_match("menu", str)) return KeymapMode::Menu;
if (prefix_match("prompt", str)) return KeymapMode::Prompt;
throw runtime_error("unknown keymap mode '" + str + "'");
}
static const ParameterDesc map_key_params{
OptionMap{}, ParameterDesc::Flags::None, 4, 4
};
void map_key(const ParametersParser& parser, Context& context)
{
KeymapManager& keymaps = get_keymap_manager(parser[0], context);
KeymapMode keymap_mode = parse_keymap_mode(parser[1]);
KeyList key = parse_keys(parser[2]);
if (key.size() != 1)
throw runtime_error("only a single key can be mapped");
KeyList mapping = parse_keys(parser[3]);
keymaps.map_key(key[0], keymap_mode, std::move(mapping));
}
const ParameterDesc context_wrap_params = {
OptionMap{ { "client", { true, "run in given client context" } },
{ "try-client", { true, "run in given client context if it exists, or else in the current one" } },
{ "draft", { false, "run in a disposable context" } },
{ "itersel", { false, "run once for each selection with that selection as the only one" } } },
ParameterDesc::Flags::OptionsOnlyAtStart, 1
};
template<typename Func>
void context_wrap(const ParametersParser& parser, Context& context, Func func)
{
ClientManager& cm = ClientManager::instance();
Context* real_context = &context;
if (parser.has_option("client"))
real_context = &cm.get_client(parser.option_value("client")).context();
else if (parser.has_option("try-client"))
{
Client* client = cm.get_client_ifp(parser.option_value("try-client"));
if (client)
real_context = &client->context();
}
if (parser.has_option("draft"))
{
InputHandler input_handler(real_context->buffer(), real_context->selections(), real_context->name());
// We do not want this draft context to commit undo groups if the real one is
// going to commit the whole thing later
if (real_context->is_editing())
input_handler.context().disable_undo_handling();
if (parser.has_option("itersel"))
{
DynamicSelectionList sels{real_context->buffer(), real_context->selections()};
ScopedEdition edition{input_handler.context()};
for (auto& sel : sels)
{
input_handler.context().selections() = sel;
func(parser, input_handler.context());
}
}
else
func(parser, input_handler.context());
}
else
{
if (parser.has_option("itersel"))
throw runtime_error("-itersel makes no sense without -draft");
func(parser, *real_context);
}
// force redraw of this client window
if (real_context != &context and real_context->has_window())
real_context->window().forget_timestamp();
}
void exec_string(const ParametersParser& parser, Context& context)
{
context_wrap(parser, context, [](const ParametersParser& parser, Context& context) {
KeyList keys;
for (auto& param : parser)
{
KeyList param_keys = parse_keys(param);
keys.insert(keys.end(), param_keys.begin(), param_keys.end());
}
exec_keys(keys, context);
});
}
void eval_string(const ParametersParser& parser, Context& context)
{
context_wrap(parser, context, [](const ParametersParser& parser, Context& context) {
String command;
for (auto& param : parser)
command += param + " ";
CommandManager::instance().execute(command, context);
});
}
static const ParameterDesc menu_params{
OptionMap{ { "auto-single", { false, "instantly validate if only one item is available" } },
{ "select-cmds", { false, "each item specify an additional command to run when selected" } } }
};
void menu(const ParametersParser& parser, Context& context)
{
const bool with_select_cmds = parser.has_option("select-cmds");
const size_t modulo = with_select_cmds ? 3 : 2;
const size_t count = parser.positional_count();
if (count == 0 or (count % modulo) != 0)
throw wrong_argument_count();
if (count == modulo and parser.has_option("auto-single"))
{
CommandManager::instance().execute(parser[1], context);
return;
}
std::vector<String> choices;
std::vector<String> commands;
std::vector<String> select_cmds;
for (int i = 0; i < count; i += modulo)
{
choices.push_back(parser[i]);
commands.push_back(parser[i+1]);
if (with_select_cmds)
select_cmds.push_back(parser[i+2]);
}
context.input_handler().menu(choices,
[=](int choice, MenuEvent event, Context& context) {
if (event == MenuEvent::Validate and choice >= 0 and choice < commands.size())
CommandManager::instance().execute(commands[choice], context);
if (event == MenuEvent::Select and choice >= 0 and choice < select_cmds.size())
CommandManager::instance().execute(select_cmds[choice], context);
});
}
static const ParameterDesc info_params{
OptionMap{ { "anchor", { true, "set info anchoring (left, right, or cursor)" } },
{ "title", { true, "set info title" } } },
ParameterDesc::Flags::None, 0, 1
};
void info(const ParametersParser& parser, Context& context)
{
context.ui().info_hide();
if (parser.positional_count() > 0)
{
MenuStyle style = MenuStyle::Prompt;
DisplayCoord pos = context.ui().dimensions();
pos.column -= 1;
if (parser.has_option("anchor"))
{
style = MenuStyle::Inline;
const auto& sel = context.selections().main();
auto it = sel.cursor();
String anchor = parser.option_value("anchor");
if (anchor == "left")
it = sel.min();
else if (anchor == "right")
it = sel.max();
else if (anchor != "cursor")
throw runtime_error("anchor param must be one of [left, right, cursor]");
pos = context.window().display_position(it);
}
const String& title = parser.has_option("title") ? parser.option_value("title") : "";
context.ui().info_show(title, parser[0], pos, get_color("Information"), style);
}
}
static const ParameterDesc try_catch_params{
OptionMap{}, ParameterDesc::Flags::None, 1, 3
};
void try_catch(const ParametersParser& parser, Context& context)
{
if (parser.positional_count() == 2)
throw wrong_argument_count();
const bool do_catch = parser.positional_count() == 3;
if (do_catch and parser[1] != "catch")
throw runtime_error("usage: try <commands> [catch <on error commands>]");
CommandManager& command_manager = CommandManager::instance();
try
{
command_manager.execute(parser[0], context);
}
catch (Kakoune::runtime_error& e)
{
if (do_catch)
command_manager.execute(parser[2], context);
}
}
static const ParameterDesc define_color_alias_params{
OptionMap{}, ParameterDesc::Flags::None, 2, 2
};
void define_color_alias(const ParametersParser& parser, Context& context)
{
ColorRegistry::instance().register_alias(parser[0], parser[1], true);
}
static const ParameterDesc set_client_name_params{
OptionMap{}, ParameterDesc::Flags::None, 1, 1
};
void set_client_name(const ParametersParser& parser, Context& context)
{
if (ClientManager::instance().validate_client_name(parser[0]))
context.set_name(parser[0]);
else if (context.name() != parser[0])
throw runtime_error("client name '" + parser[0] + "' is not unique");
}
static const ParameterDesc set_register_params{
OptionMap{}, ParameterDesc::Flags::None, 2, 2
};
void set_register(const ParametersParser& parser, Context& context)
{
if (parser[0].length() != 1)
throw runtime_error("register names are single character");
RegisterManager::instance()[parser[0][0]] = memoryview<String>(parser[1]);
}
static const ParameterDesc change_working_directory_params{
OptionMap{}, ParameterDesc::Flags::None, 1, 1
};
void change_working_directory(const ParametersParser& parser, Context&)
{
if (chdir(parse_filename(parser[0]).c_str()) != 0)
throw runtime_error("cannot change to directory " + parser[0]);
}
template<typename GetRootGroup>
CommandCompleter group_rm_completer(GetRootGroup get_root_group)
{
return [=](const Context& context, CompletionFlags flags,
CommandParameters params, size_t token_to_complete,
ByteCount pos_in_token) -> Completions {
auto& root_group = get_root_group(context);
const String& arg = params[token_to_complete];
if (token_to_complete == 1 and params[0] == "-group")
return { 0_byte, arg.length(), root_group.complete_group_id(arg, pos_in_token) };
else if (token_to_complete == 2 and params[0] == "-group")
return { 0_byte, arg.length(), root_group.get_group(params[1], '/').complete_id(arg, pos_in_token) };
return { 0_byte, arg.length(), root_group.complete_id(arg, pos_in_token) };
};
}
template<typename FactoryRegistry, typename GetRootGroup>
CommandCompleter group_add_completer(GetRootGroup get_root_group)
{
return [=](const Context& context, CompletionFlags flags,
CommandParameters params, size_t token_to_complete,
ByteCount pos_in_token) -> Completions {
auto& root_group = get_root_group(context);
const String& arg = params[token_to_complete];
if (token_to_complete == 1 and params[0] == "-group")
return { 0_byte, arg.length(), root_group.complete_group_id(arg, pos_in_token) };
else if (token_to_complete == 0 or (token_to_complete == 2 and params[0] == "-group"))
return { 0_byte, arg.length(), FactoryRegistry::instance().complete_name(arg, pos_in_token) };
return Completions{};
};
}
class RegisterRestorer
{
public:
RegisterRestorer(char name, const Context& context)
: m_name(name)
{
memoryview<String> save = RegisterManager::instance()[name].values(context);
m_save = std::vector<String>(save.begin(), save.end());
}
~RegisterRestorer()
{ RegisterManager::instance()[m_name] = m_save; }
private:
std::vector<String> m_save;
char m_name;
};
}
void exec_keys(const KeyList& keys, Context& context)
{
RegisterRestorer quote('"', context);
RegisterRestorer slash('/', context);
ScopedEdition edition(context);
for (auto& key : keys)
context.input_handler().handle_key(key);
}
CandidateList complete_scope(const String& prefix)
{
CandidateList res;
for (auto scope : { "global", "buffer", "window" })
{
if (prefix_match(scope, prefix))
res.emplace_back(scope);
}
return res;
}
void register_commands()
{
CommandManager& cm = CommandManager::instance();
cm.register_commands({"nop"}, [](const ParametersParser&, Context&){}, {});
PerArgumentCommandCompleter filename_completer({
[](const Context& context, CompletionFlags flags, const String& prefix, ByteCount cursor_pos)
{ return Completions{ 0_byte, prefix.length(),
complete_filename(prefix,
context.options()["ignored_files"].get<Regex>(),
cursor_pos) }; }
});
cm.register_commands({ "edit", "e" }, edit<false>, edit_params, CommandFlags::None, filename_completer);
cm.register_commands({ "edit!", "e!" }, edit<true>, edit_params, CommandFlags::None, filename_completer);
cm.register_commands({ "write", "w" }, write_buffer, write_params, CommandFlags::None, filename_completer);
cm.register_commands({ "writeall", "wa" }, write_all_buffers, no_params);
cm.register_commands({ "quit", "q" }, quit<false>, no_params);
cm.register_commands({ "quit!", "q!" }, quit<true>, no_params);
cm.register_command("wq", write_and_quit<false>, no_params);
cm.register_command("wq!", write_and_quit<true>, no_params);
PerArgumentCommandCompleter buffer_completer({
[](const Context& context, CompletionFlags flags, const String& prefix, ByteCount cursor_pos)
{ return Completions{ 0_byte, prefix.length(),
BufferManager::instance().complete_buffername(prefix, cursor_pos) }; }
});
cm.register_commands({ "buffer", "b" }, show_buffer, single_name_params, CommandFlags::None, buffer_completer);
cm.register_commands({ "delbuf", "db" }, delete_buffer<false>, single_opt_name_params, CommandFlags::None, buffer_completer);
cm.register_commands({ "delbuf!", "db!" }, delete_buffer<true>, single_opt_name_params, CommandFlags::None, buffer_completer);
cm.register_commands({ "namebuf", "nb" }, set_buffer_name, single_name_params);
auto get_highlighters = [](const Context& c) -> HighlighterGroup& { return c.window().highlighters(); };
cm.register_commands({ "addhl", "ah" }, add_highlighter, add_highlighter_params, CommandFlags::None, group_add_completer<HighlighterRegistry>(get_highlighters));
cm.register_commands({ "rmhl", "rh" }, rm_highlighter, rm_highlighter_params, CommandFlags::None, group_rm_completer(get_highlighters));
cm.register_commands({ "defhl", "dh" }, define_highlighter, single_name_params);
cm.register_command("hook", add_hook, add_hook_params, CommandFlags::None,
[](const Context& context, CompletionFlags flags,
CommandParameters params, size_t token_to_complete, ByteCount pos_in_token)
{
if (token_to_complete == 0)
return Completions{ 0_byte, params[0].length(),
complete_scope(params[0].substr(0_byte, pos_in_token)) };
else if (token_to_complete == 3)
{
auto& cm = CommandManager::instance();
return cm.complete(context, flags, params[3], pos_in_token);
}
return Completions{};
});
cm.register_command("rmhooks", rm_hooks, rm_hooks_params);
cm.register_command("source", exec_commands_in_file, exec_commands_in_file_params, CommandFlags::None, filename_completer);
cm.register_command("exec", exec_string, context_wrap_params);
cm.register_command("eval", eval_string, context_wrap_params);
cm.register_command("menu", menu, menu_params);
cm.register_command("info", info, info_params);
cm.register_command("try", try_catch, try_catch_params);
cm.register_command("reg", set_register, set_register_params);
cm.register_command("def", define_command, define_command_params);
cm.register_command("decl", declare_option, declare_option_params);
cm.register_command("echo", echo_message, echo_message_params);
cm.register_command("debug", write_debug_message, write_debug_message_params);
cm.register_command("set", set_option, set_option_params, CommandFlags::None,
[](const Context& context, CompletionFlags,
CommandParameters params, size_t token_to_complete,
ByteCount pos_in_token) -> Completions
{
if (token_to_complete == 0)
return { 0_byte, params[0].length(),
complete_scope(params[0].substr(0_byte, pos_in_token)) };
else if (token_to_complete == 1)
{
OptionManager& options = get_options(params[0], context);
return { 0_byte, params[1].length(),
options.complete_option_name(params[1], pos_in_token) };
}
return Completions{};
} );
cm.register_commands({ "colalias", "ca" }, define_color_alias, define_color_alias_params);
cm.register_commands({ "nameclient", "nc" }, set_client_name, set_client_name_params);
cm.register_command("cd", change_working_directory, change_working_directory_params, CommandFlags::None, filename_completer);
cm.register_command("map", map_key, map_key_params);
}
}