mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-15 20:24:07 +00:00
77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
#include <common/ReplxxLineReader.h>
|
|
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <functional>
|
|
|
|
namespace
|
|
{
|
|
|
|
/// Trim ending whitespace inplace
|
|
void trim(String & s)
|
|
{
|
|
s.erase(std::find_if(s.rbegin(), s.rend(), [](int ch) { return !std::isspace(ch); }).base(), s.end());
|
|
}
|
|
|
|
}
|
|
|
|
ReplxxLineReader::ReplxxLineReader(const Suggest & suggest, const String & history_file_path_, char extender_, char delimiter_)
|
|
: LineReader(history_file_path_, extender_, delimiter_)
|
|
{
|
|
using namespace std::placeholders;
|
|
using Replxx = replxx::Replxx;
|
|
|
|
if (!history_file_path.empty())
|
|
rx.history_load(history_file_path);
|
|
|
|
auto callback = [&suggest] (const String & context, size_t context_size)
|
|
{
|
|
auto range = suggest.getCompletions(context, context_size);
|
|
return Replxx::completions_t(range.first, range.second);
|
|
};
|
|
|
|
rx.set_completion_callback(callback);
|
|
rx.set_complete_on_empty(false);
|
|
rx.set_word_break_characters(word_break_characters);
|
|
|
|
/// By default C-p/C-n binded to COMPLETE_NEXT/COMPLETE_PREV,
|
|
/// bind C-p/C-n to history-previous/history-next like readline.
|
|
rx.bind_key(Replxx::KEY::control('N'), [this](char32_t code) { return rx.invoke(Replxx::ACTION::HISTORY_NEXT, code); });
|
|
rx.bind_key(Replxx::KEY::control('P'), [this](char32_t code) { return rx.invoke(Replxx::ACTION::HISTORY_PREVIOUS, code); });
|
|
/// By default COMPLETE_NEXT/COMPLETE_PREV was binded to C-p/C-n, re-bind
|
|
/// to M-P/M-N (that was used for HISTORY_COMMON_PREFIX_SEARCH before, but
|
|
/// it also binded to M-p/M-n).
|
|
rx.bind_key(Replxx::KEY::meta('N'), [this](char32_t code) { return rx.invoke(Replxx::ACTION::COMPLETE_NEXT, code); });
|
|
rx.bind_key(Replxx::KEY::meta('P'), [this](char32_t code) { return rx.invoke(Replxx::ACTION::COMPLETE_PREVIOUS, code); });
|
|
}
|
|
|
|
ReplxxLineReader::~ReplxxLineReader()
|
|
{
|
|
if (!history_file_path.empty())
|
|
rx.history_save(history_file_path);
|
|
}
|
|
|
|
LineReader::InputStatus ReplxxLineReader::readOneLine(const String & prompt)
|
|
{
|
|
input.clear();
|
|
|
|
const char* cinput = rx.input(prompt);
|
|
if (cinput == nullptr)
|
|
return (errno != EAGAIN) ? ABORT : RESET_LINE;
|
|
input = cinput;
|
|
|
|
trim(input);
|
|
return INPUT_LINE;
|
|
}
|
|
|
|
void ReplxxLineReader::addToHistory(const String & line)
|
|
{
|
|
rx.history_add(line);
|
|
}
|
|
|
|
void ReplxxLineReader::enableBracketedPaste()
|
|
{
|
|
rx.enable_bracketed_paste();
|
|
};
|