kakoune/src/main.cc

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#include "window.hh"
#include "buffer.hh"
#include "shell_manager.hh"
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#include "commands.hh"
#include "command_manager.hh"
#include "buffer_manager.hh"
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#include "register_manager.hh"
#include "selectors.hh"
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#include "assert.hh"
#include "debug.hh"
#include "highlighters.hh"
#include "highlighter_registry.hh"
#include "filters.hh"
#include "filter_registry.hh"
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#include "hook_manager.hh"
#include "option_manager.hh"
#include "event_manager.hh"
#include "context.hh"
#include "ncurses.hh"
#include "string.hh"
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#include "file.hh"
#include "color_registry.hh"
#include "remote.hh"
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#if defined(__APPLE__)
#include <mach-o/dyld.h>
#endif
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#include <unordered_map>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/wait.h>
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using namespace Kakoune;
using namespace std::placeholders;
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namespace Kakoune
{
bool quit_requested = false;
template<InsertMode mode>
void do_insert(Context& context)
{
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context.input_handler().insert(context, mode);
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}
void do_repeat_insert(Context& context)
{
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context.input_handler().repeat_last_insert(context);
}
template<SelectMode mode>
void do_go(Context& context)
{
int count = context.numeric_param();
if (count != 0)
{
BufferIterator target =
context.editor().buffer().iterator_at_line_begin(count-1);
context.editor().select(target);
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if (context.has_window())
context.window().center_selection();
}
else
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context.input_handler().on_next_key([](const Key& key, Context& context) {
if (key.modifiers != Key::Modifiers::None)
return;
Editor& editor = context.editor();
switch (key.key)
{
case 'g':
case 't':
editor.select(editor.buffer().begin());
break;
case 'l':
case 'L':
editor.select(select_to_eol, mode);
break;
case 'h':
case 'H':
editor.select(select_to_eol_reverse, mode);
break;
case 'b':
{
const Buffer& buf = editor.buffer();
editor.select(buf.iterator_at_line_begin(buf.line_count() - 1));
break;
}
}
});
}
void do_replace_with_char(Context& context)
{
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context.input_handler().on_next_key([](const Key& key, Context& context) {
context.editor().insert(String() + key.key, InsertMode::Replace);
});
}
void do_command(Context& context)
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{
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context.input_handler().prompt(
":", std::bind(&CommandManager::complete, &CommandManager::instance(), _1, _2, _3),
[](const String& cmdline, Context& context) { CommandManager::instance().execute(cmdline, context); },
context);
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}
void do_pipe(Context& context)
{
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context.input_handler().prompt("|", complete_nothing,
[](const String& cmdline, Context& context)
{
Editor& editor = context.editor();
std::vector<String> strings;
for (auto& sel : const_cast<const Editor&>(context.editor()).selections())
strings.push_back(ShellManager::instance().pipe(String(sel.begin(), sel.end()),
cmdline, context, {}, {}));
editor.insert(strings, InsertMode::Replace);
}, context);
}
template<SelectMode mode>
void do_search(Context& context)
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{
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context.input_handler().prompt("/", complete_nothing,
[](const String& str, Context& context) {
String ex = str;
if (ex.empty())
ex = RegisterManager::instance()['/'].values(context)[0];
else
RegisterManager::instance()['/'] = ex;
context.editor().select(std::bind(select_next_match, _1, ex), mode);
}, context);
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}
template<SelectMode mode>
void do_search_next(Context& context)
{
const String& ex = RegisterManager::instance()['/'].values(context)[0];
if (not ex.empty())
context.editor().select(std::bind(select_next_match, _1, ex), mode);
else
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context.print_status("no search pattern");
}
void do_yank(Context& context)
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{
RegisterManager::instance()['"'] = context.editor().selections_content();
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}
void do_erase(Context& context)
{
RegisterManager::instance()['"'] = context.editor().selections_content();
context.editor().erase();
}
void do_change(Context& context)
{
RegisterManager::instance()['"'] = context.editor().selections_content();
do_insert<InsertMode::Replace>(context);
}
static InsertMode adapt_for_linewise(InsertMode mode)
{
if (mode == InsertMode::Append)
return InsertMode::AppendAtLineEnd;
if (mode == InsertMode::Insert)
return InsertMode::InsertAtLineBegin;
assert(false);
return InsertMode::Insert;
}
template<InsertMode insert_mode>
void do_paste(Context& context)
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{
Editor& editor = context.editor();
int count = context.numeric_param();
auto strings = RegisterManager::instance()['"'].values(context);
InsertMode mode = insert_mode;
if (count == 0)
{
for (auto& str : strings)
{
if (not str.empty() and str.back() == '\n')
{
mode = adapt_for_linewise(mode);
break;
}
}
editor.insert(strings, mode);
}
else if (count <= strings.size())
{
auto& str = strings[count-1];
if (not str.empty() and str.back() == '\n')
mode = adapt_for_linewise(mode);
editor.insert(str, mode);
}
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}
void do_select_regex(Context& context)
{
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context.input_handler().prompt("select: ", complete_nothing,
[](const String& ex, Context& context)
{ context.editor().multi_select(std::bind(select_all_matches, _1, ex)); },
context);
}
void do_split_regex(Context& context)
{
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context.input_handler().prompt("select: ", complete_nothing,
[](const String& ex, Context& context)
{ context.editor().multi_select(std::bind(split_selection, _1, ex)); },
context);
}
void do_join(Context& context)
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{
Editor& editor = context.editor();
editor.select(select_whole_lines);
editor.select(select_to_eol, SelectMode::Extend);
editor.multi_select(std::bind(select_all_matches, _1, "\n\\h*"));
editor.insert(" ", InsertMode::Replace);
editor.clear_selections();
editor.move_selections(-1_char);
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}
template<bool inner>
void do_select_object(Context& context)
{
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context.input_handler().on_next_key(
[](const Key& key, Context& context) {
typedef std::function<SelectionAndCaptures (const Selection&)> Selector;
static const std::unordered_map<Key, Selector> key_to_selector =
{
{ { Key::Modifiers::None, '(' }, std::bind(select_surrounding, _1, std::pair<char, char>{ '(', ')' }, inner) },
{ { Key::Modifiers::None, ')' }, std::bind(select_surrounding, _1, std::pair<char, char>{ '(', ')' }, inner) },
{ { Key::Modifiers::None, 'b' }, std::bind(select_surrounding, _1, std::pair<char, char>{ '(', ')' }, inner) },
{ { Key::Modifiers::None, '{' }, std::bind(select_surrounding, _1, std::pair<char, char>{ '{', '}' }, inner) },
{ { Key::Modifiers::None, '}' }, std::bind(select_surrounding, _1, std::pair<char, char>{ '{', '}' }, inner) },
{ { Key::Modifiers::None, 'B' }, std::bind(select_surrounding, _1, std::pair<char, char>{ '{', '}' }, inner) },
{ { Key::Modifiers::None, '[' }, std::bind(select_surrounding, _1, std::pair<char, char>{ '[', ']' }, inner) },
{ { Key::Modifiers::None, ']' }, std::bind(select_surrounding, _1, std::pair<char, char>{ '[', ']' }, inner) },
{ { Key::Modifiers::None, '<' }, std::bind(select_surrounding, _1, std::pair<char, char>{ '<', '>' }, inner) },
{ { Key::Modifiers::None, '>' }, std::bind(select_surrounding, _1, std::pair<char, char>{ '<', '>' }, inner) },
{ { Key::Modifiers::None, 'w' }, std::bind(select_whole_word<false>, _1, inner) },
{ { Key::Modifiers::None, 'W' }, std::bind(select_whole_word<true>, _1, inner) },
};
auto it = key_to_selector.find(key);
if (it != key_to_selector.end())
context.editor().select(it->second);
});
}
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template<Key::NamedKey key>
void do_scroll(Context& context)
{
static_assert(key == Key::PageUp or key == Key::PageDown,
"do_scrool only implements PageUp and PageDown");
Window& window = context.window();
Buffer& buffer = context.buffer();
DisplayCoord position = window.position();
LineCount cursor_line = 0;
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if (key == Key::PageUp)
{
position.line -= (window.dimensions().line - 2);
cursor_line = position.line;
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}
else if (key == Key::PageDown)
{
position.line += (window.dimensions().line - 2);
cursor_line = position.line + window.dimensions().line - 1;
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}
auto cursor_pos = utf8::advance(buffer.iterator_at_line_begin(position.line),
buffer.iterator_at_line_end(position.line),
position.column);
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window.select(cursor_pos);
window.set_position(position);
}
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template<typename T>
class Repeated
{
public:
Repeated(T t) : m_func(t) {}
void operator() (Context& context)
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{
int count = context.numeric_param();
do { m_func(context); } while(--count > 0);
}
private:
T m_func;
};
template<typename T>
Repeated<T> repeated(T func) { return Repeated<T>(func); }
namespace SelectFlags
{
enum Type
{
None = 0,
Reverse = 1,
Inclusive = 2,
Extend = 4
};
}
template<int flags>
void select_to_next_char(Context& context)
{
int param = context.numeric_param();
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context.input_handler().on_next_key([param](const Key& key, Context& context) {
context.editor().select(
std::bind(flags & SelectFlags::Reverse ? select_to_reverse : select_to,
_1, key.key, param, flags & SelectFlags::Inclusive),
flags & SelectFlags::Extend ? SelectMode::Extend : SelectMode::Replace);
});
}
String runtime_directory()
{
char buffer[2048];
#if defined(__linux__)
ssize_t res = readlink("/proc/self/exe", buffer, 2048);
assert(res != -1);
buffer[res] = '\0';
#elif defined(__APPLE__)
uint32_t bufsize = 2048;
_NSGetExecutablePath(buffer, &bufsize);
char* canonical_path = realpath(buffer, NULL);
strncpy(buffer, canonical_path, 2048);
free(canonical_path);
#else
# error "finding executable path is not implemented on this platform"
#endif
char* ptr = strrchr(buffer, '/');
if (not ptr)
throw runtime_error("unable do determine runtime directory");
return String(buffer, ptr);
}
std::unordered_map<Key, std::function<void (Context& context)>> keymap =
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{
{ { Key::Modifiers::None, 'h' }, [](Context& context) { context.editor().move_selections(-CharCount(std::max(context.numeric_param(),1))); } },
{ { Key::Modifiers::None, 'j' }, [](Context& context) { context.editor().move_selections( LineCount(std::max(context.numeric_param(),1))); } },
{ { Key::Modifiers::None, 'k' }, [](Context& context) { context.editor().move_selections(-LineCount(std::max(context.numeric_param(),1))); } },
{ { Key::Modifiers::None, 'l' }, [](Context& context) { context.editor().move_selections( CharCount(std::max(context.numeric_param(),1))); } },
{ { Key::Modifiers::None, 'H' }, [](Context& context) { context.editor().move_selections(-CharCount(std::max(context.numeric_param(),1)), SelectMode::Extend); } },
{ { Key::Modifiers::None, 'J' }, [](Context& context) { context.editor().move_selections( LineCount(std::max(context.numeric_param(),1)), SelectMode::Extend); } },
{ { Key::Modifiers::None, 'K' }, [](Context& context) { context.editor().move_selections(-LineCount(std::max(context.numeric_param(),1)), SelectMode::Extend); } },
{ { Key::Modifiers::None, 'L' }, [](Context& context) { context.editor().move_selections( CharCount(std::max(context.numeric_param(),1)), SelectMode::Extend); } },
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{ { Key::Modifiers::None, 't' }, select_to_next_char<SelectFlags::None> },
{ { Key::Modifiers::None, 'f' }, select_to_next_char<SelectFlags::Inclusive> },
{ { Key::Modifiers::None, 'T' }, select_to_next_char<SelectFlags::Extend> },
{ { Key::Modifiers::None, 'F' }, select_to_next_char<SelectFlags::Inclusive | SelectFlags::Extend> },
{ { Key::Modifiers::Alt, 't' }, select_to_next_char<SelectFlags::Reverse> },
{ { Key::Modifiers::Alt, 'f' }, select_to_next_char<SelectFlags::Inclusive | SelectFlags::Reverse> },
{ { Key::Modifiers::Alt, 'T' }, select_to_next_char<SelectFlags::Extend | SelectFlags::Reverse> },
{ { Key::Modifiers::Alt, 'F' }, select_to_next_char<SelectFlags::Inclusive | SelectFlags::Extend | SelectFlags::Reverse> },
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{ { Key::Modifiers::None, 'd' }, do_erase },
{ { Key::Modifiers::None, 'c' }, do_change },
{ { Key::Modifiers::None, 'i' }, do_insert<InsertMode::Insert> },
{ { Key::Modifiers::None, 'I' }, do_insert<InsertMode::InsertAtLineBegin> },
{ { Key::Modifiers::None, 'a' }, do_insert<InsertMode::Append> },
{ { Key::Modifiers::None, 'A' }, do_insert<InsertMode::AppendAtLineEnd> },
{ { Key::Modifiers::None, 'o' }, do_insert<InsertMode::OpenLineBelow> },
{ { Key::Modifiers::None, 'O' }, do_insert<InsertMode::OpenLineAbove> },
{ { Key::Modifiers::None, 'r' }, do_replace_with_char },
{ { Key::Modifiers::None, 'g' }, do_go<SelectMode::Replace> },
{ { Key::Modifiers::None, 'G' }, do_go<SelectMode::Extend> },
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{ { Key::Modifiers::None, 'y' }, do_yank },
{ { Key::Modifiers::None, 'p' }, do_paste<InsertMode::Append> },
{ { Key::Modifiers::None, 'P' }, do_paste<InsertMode::Insert> },
{ { Key::Modifiers::Alt, 'p' }, do_paste<InsertMode::Replace> },
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{ { Key::Modifiers::None, 's' }, do_select_regex },
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{ { Key::Modifiers::None, '.' }, do_repeat_insert },
{ { Key::Modifiers::None, '%' }, [](Context& context) { context.editor().clear_selections(); context.editor().select(select_whole_buffer); } },
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{ { Key::Modifiers::None, ':' }, do_command },
{ { Key::Modifiers::None, '|' }, do_pipe },
{ { Key::Modifiers::None, ' ' }, [](Context& context) { int count = context.numeric_param();
if (count == 0) context.editor().clear_selections();
else context.editor().keep_selection(count-1); } },
{ { Key::Modifiers::Alt, ' ' }, [](Context& context) { int count = context.numeric_param();
if (count == 0) context.editor().clear_selections();
else context.editor().remove_selection(count-1); } },
{ { Key::Modifiers::None, 'w' }, repeated([](Context& context) { context.editor().select(select_to_next_word<false>); }) },
{ { Key::Modifiers::None, 'e' }, repeated([](Context& context) { context.editor().select(select_to_next_word_end<false>); }) },
{ { Key::Modifiers::None, 'b' }, repeated([](Context& context) { context.editor().select(select_to_previous_word<false>); }) },
{ { Key::Modifiers::None, 'W' }, repeated([](Context& context) { context.editor().select(select_to_next_word<false>, SelectMode::Extend); }) },
{ { Key::Modifiers::None, 'E' }, repeated([](Context& context) { context.editor().select(select_to_next_word_end<false>, SelectMode::Extend); }) },
{ { Key::Modifiers::None, 'B' }, repeated([](Context& context) { context.editor().select(select_to_previous_word<false>, SelectMode::Extend); }) },
{ { Key::Modifiers::None, 'x' }, repeated([](Context& context) { context.editor().select(select_line, SelectMode::Replace); }) },
{ { Key::Modifiers::None, 'X' }, repeated([](Context& context) { context.editor().select(select_line, SelectMode::Extend); }) },
{ { Key::Modifiers::None, 'm' }, [](Context& context) { context.editor().select(select_matching); } },
{ { Key::Modifiers::None, 'M' }, [](Context& context) { context.editor().select(select_matching, SelectMode::Extend); } },
{ { Key::Modifiers::None, '/' }, do_search<SelectMode::Replace> },
{ { Key::Modifiers::None, '?' }, do_search<SelectMode::Extend> },
{ { Key::Modifiers::None, 'n' }, do_search_next<SelectMode::Replace> },
{ { Key::Modifiers::None, 'N' }, do_search_next<SelectMode::Append> },
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{ { Key::Modifiers::None, 'u' }, repeated([](Context& context) { if (not context.editor().undo()) { context.print_status("nothing left to undo"); } }) },
{ { Key::Modifiers::None, 'U' }, repeated([](Context& context) { if (not context.editor().redo()) { context.print_status("nothing left to redo"); } }) },
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{ { Key::Modifiers::Alt, 'i' }, do_select_object<true> },
{ { Key::Modifiers::Alt, 'a' }, do_select_object<false> },
{ { Key::Modifiers::Alt, 'w' }, repeated([](Context& context) { context.editor().select(select_to_next_word<true>); }) },
{ { Key::Modifiers::Alt, 'e' }, repeated([](Context& context) { context.editor().select(select_to_next_word_end<true>); }) },
{ { Key::Modifiers::Alt, 'b' }, repeated([](Context& context) { context.editor().select(select_to_previous_word<true>); }) },
{ { Key::Modifiers::Alt, 'W' }, repeated([](Context& context) { context.editor().select(select_to_next_word<true>, SelectMode::Extend); }) },
{ { Key::Modifiers::Alt, 'E' }, repeated([](Context& context) { context.editor().select(select_to_next_word_end<true>, SelectMode::Extend); }) },
{ { Key::Modifiers::Alt, 'B' }, repeated([](Context& context) { context.editor().select(select_to_previous_word<true>, SelectMode::Extend); }) },
{ { Key::Modifiers::Alt, 'l' }, repeated([](Context& context) { context.editor().select(select_to_eol, SelectMode::Replace); }) },
{ { Key::Modifiers::Alt, 'L' }, repeated([](Context& context) { context.editor().select(select_to_eol, SelectMode::Extend); }) },
{ { Key::Modifiers::Alt, 'h' }, repeated([](Context& context) { context.editor().select(select_to_eol_reverse, SelectMode::Replace); }) },
{ { Key::Modifiers::Alt, 'H' }, repeated([](Context& context) { context.editor().select(select_to_eol_reverse, SelectMode::Extend); }) },
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{ { Key::Modifiers::Alt, 's' }, do_split_regex },
{ { Key::Modifiers::Alt, 'j' }, do_join },
{ { Key::Modifiers::Alt, 'x' }, [](Context& context) { context.editor().select(select_whole_lines); } },
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{ { Key::Modifiers::Alt, 'c' }, [](Context& context) { if (context.has_window()) context.window().center_selection(); } },
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{ { Key::Modifiers::None, Key::PageUp }, do_scroll<Key::PageUp> },
{ { Key::Modifiers::None, Key::PageDown }, do_scroll<Key::PageDown> },
};
}
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void run_unit_tests();
void register_env_vars()
{
ShellManager& shell_manager = ShellManager::instance();
shell_manager.register_env_var("bufname",
[](const String& name, const Context& context)
{ return context.buffer().name(); });
shell_manager.register_env_var("selection",
[](const String& name, const Context& context)
{ return context.editor().selections_content().back(); });
shell_manager.register_env_var("runtime",
[](const String& name, const Context& context)
{ return runtime_directory(); });
shell_manager.register_env_var("opt_.+",
[](const String& name, const Context& context)
{ return context.option_manager()[name.substr(4_byte)].as_string(); });
shell_manager.register_env_var("reg_.+",
[](const String& name, const Context& context)
{ return RegisterManager::instance()[name[4]].values(context)[0]; });
}
void register_registers()
{
RegisterManager& register_manager = RegisterManager::instance();
register_manager.register_dynamic_register('%', [](const Context& context) { return std::vector<String>(1, context.buffer().name()); });
register_manager.register_dynamic_register('.', [](const Context& context) { return context.editor().selections_content(); });
for (size_t i = 0; i < 10; ++i)
{
register_manager.register_dynamic_register('0'+i,
[i](const Context& context) {
std::vector<String> result;
for (auto& sel_and_cap : context.editor().selections())
result.emplace_back(i < sel_and_cap.captures.size() ? sel_and_cap.captures[i] : "");
return result;
});
}
}
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struct Client
{
std::unique_ptr<UserInterface> ui;
std::unique_ptr<InputHandler> input_handler;
std::unique_ptr<Context> context;
Client(UserInterface* ui, Window& window)
: ui(ui),
input_handler(new InputHandler{}),
context(new Context(*input_handler, window, *ui)) {}
Client() {}
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};
Client create_local_client(const String& file)
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{
Buffer* buffer = nullptr;
UserInterface* ui = new NCursesUI{};
if (not file.empty())
{
buffer = create_buffer_from_file(file);
if (not buffer)
{
ui->print_status("new file " + file, -1);
buffer = new Buffer(file, Buffer::Type::NewFile);
}
}
else
buffer = new Buffer("*scratch*", Buffer::Type::Scratch);
Client client{ui, *buffer->get_or_create_window()};
InputHandler* input_handler = client.input_handler.get();
Context* context = client.context.get();
EventManager::instance().watch(0, [=](int) {
try
{
input_handler->handle_next_input(*context);
}
catch (Kakoune::runtime_error& error)
{
ui->print_status(error.description(), -1);
}
});
context->draw_ifn();
return client;
}
std::vector<Client> clients;
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void setup_server()
{
auto filename = "/tmp/kak-" + int_to_str(getpid());
int listen_sock = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0);
sockaddr_un addr;
addr.sun_family = AF_UNIX;
strncpy(addr.sun_path, filename.c_str(), sizeof(addr.sun_path) - 1);
if (bind(listen_sock, (sockaddr*) &addr, sizeof(sockaddr_un)) == -1)
throw runtime_error("unable to bind listen socket " + filename);
if (listen(listen_sock, 4) == -1)
throw runtime_error("unable to listen on socket " + filename);
auto accepter = [=](int socket) {
sockaddr_un client_addr;
socklen_t client_addr_len = sizeof(sockaddr_un);
int sock = accept(socket, (sockaddr*) &client_addr, &client_addr_len);
if (sock == -1)
throw runtime_error("accept failed");
auto& buffer = *BufferManager::instance().begin();
RemoteUI* ui = new RemoteUI{sock};
Client client{ui, *buffer->get_or_create_window()};
InputHandler* input_handler = client.input_handler.get();
Context* context = client.context.get();
EventManager::instance().watch(sock, [=](int) {
try
{
input_handler->handle_next_input(*context);
}
catch (Kakoune::runtime_error& error)
{
ui->print_status(error.description(), -1);
}
});
clients.push_back(std::move(client));
};
EventManager::instance().watch(listen_sock, accepter);
}
RemoteClient* connect_to(const String& pid)
{
auto filename = "/tmp/kak-" + pid;
int sock = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0);
sockaddr_un addr;
addr.sun_family = AF_UNIX;
strncpy(addr.sun_path, filename.c_str(), sizeof(addr.sun_path) - 1);
if (connect(sock, (sockaddr*)&addr, sizeof(addr.sun_path)) == -1)
throw runtime_error("connect to " + filename + " failed");
NCursesUI* ui = new NCursesUI{};
RemoteClient* remote_client = new RemoteClient{sock, ui};
EventManager::instance().watch(sock, [=](int) {
try
{
remote_client->process_next_message();
}
catch (Kakoune::runtime_error& error)
{
ui->print_status(error.description(), -1);
}
});
EventManager::instance().watch(0, [=](int) {
try
{
remote_client->write_next_key();
}
catch (Kakoune::runtime_error& error)
{
ui->print_status(error.description(), -1);
}
});
return remote_client;
}
int main(int argc, char* argv[])
{
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try
{
EventManager event_manager;
if (argc == 3 and String("-c") == argv[1])
{
std::unique_ptr<RemoteClient> client(connect_to(argv[2]));
while(not quit_requested)
event_manager.handle_next_events();
return 0;
}
GlobalOptionManager option_manager;
GlobalHookManager hook_manager;
ShellManager shell_manager;
CommandManager command_manager;
BufferManager buffer_manager;
RegisterManager register_manager;
HighlighterRegistry highlighter_registry;
FilterRegistry filter_registry;
ColorRegistry color_registry;
run_unit_tests();
register_env_vars();
register_registers();
register_commands();
register_highlighters();
register_filters();
write_debug("*** This is the debug buffer, where debug info will be written ***\n");
write_debug("pid: " + int_to_str(getpid()) + "\n");
write_debug("utf-8 test: é á ï");
setup_server();
Client local_client;
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try
{
Context initialisation_context;
command_manager.execute("source " + runtime_directory() + "/kakrc",
initialisation_context);
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}
catch (Kakoune::runtime_error& error)
{
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write_debug("error while parsing kakrc: " + error.description());
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}
local_client = create_local_client(argc > 1 ? argv[1] : "");
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while(not quit_requested)
event_manager.handle_next_events();
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}
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catch (Kakoune::exception& error)
{
puts("uncaught exception:\n");
puts(error.description().c_str());
return -1;
}
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return 0;
}