64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
/*
|
|
* FlowLineNoise.h
|
|
*
|
|
* This source file is part of the FoundationDB open source project
|
|
*
|
|
* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef FLOWLINENOISE_H
|
|
#define FLOWLINENOISE_H
|
|
#pragma once
|
|
|
|
#include "flow/flow.h"
|
|
#include <functional>
|
|
|
|
struct LineNoise : NonCopyable {
|
|
// Wraps the linenoise library so that it can be called from asynchronous Flow code
|
|
// Only create one of these at a time; the linenoise library only supports one history
|
|
//
|
|
// The current implementation does not support calling read concurrently with any other
|
|
// function (or itself).
|
|
|
|
struct Hint {
|
|
std::string text;
|
|
int color;
|
|
bool bold;
|
|
bool valid;
|
|
Hint() : text(), color(), bold(), valid() {}
|
|
Hint( std::string const& text, int color, bool bold ) : text(text), color(color), bold(bold), valid(true) {}
|
|
};
|
|
|
|
LineNoise(
|
|
std::function< void(std::string const&, std::vector<std::string>&) > completion_callback,
|
|
std::function< Hint(std::string const&) > hint_callback,
|
|
int maxHistoryLines,
|
|
bool multiline
|
|
);
|
|
~LineNoise();
|
|
|
|
Future< Optional<std::string> > read( std::string const& prompt ); // Returns "nothing" on EOF
|
|
void historyAdd( std::string const& line );
|
|
|
|
void historyLoad( std::string const& filename );
|
|
void historySave( std::string const& filename );
|
|
|
|
static Future<Void> onKeyboardInterrupt(); // Returns when Ctrl-C is next pressed (i.e. SIGINT)
|
|
|
|
Reference<class IThreadPool> threadPool;
|
|
struct LineNoiseReader* reader;
|
|
};
|
|
|
|
#endif |