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101 lines
2.8 KiB
C++
101 lines
2.8 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2019 Telegram Systems LLP
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*/
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#pragma once
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#include "terminal.h"
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#include <iostream>
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#include "td/utils/port/FileFd.h"
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#include "td/utils/port/StdStreams.h"
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#include <queue>
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namespace td {
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class TerminalLogInterface : public LogInterface {
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public:
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void append(CSlice slice, int log_level) override;
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};
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class TerminalIOImpl : public TerminalIO, td::ObserverBase {
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public:
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void refresh() {
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}
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void update_prompt(std::string new_prompt) override {
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prompt_ = new_prompt;
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refresh();
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};
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void update_callback(std::unique_ptr<Callback> callback) override {
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callback_ = std::move(callback);
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}
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void deactivate_readline();
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void reactivate_readline();
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void output_line(std::string line) override;
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void set_log_interface() override;
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//void read_line();
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void loop() override;
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void start_up() override;
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void tear_down() override;
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static TerminalIOImpl *instance() {
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return instance_;
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}
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void notify() override {
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// NB: Interface will be changed
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td::actor::send_closure_later(self_, &TerminalIOImpl::on_net);
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}
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void on_net() {
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loop();
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}
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TerminalIOImpl(std::string prompt, bool use_readline, std::unique_ptr<Callback> callback)
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: prompt_(prompt), use_readline_(use_readline), callback_(std::move(callback)) {
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}
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int stdin_getc();
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void line_cb(std::string line);
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static int s_stdin_getc(FILE *);
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static void s_line(char *line);
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td::Result<td::BufferSlice> process_stdin(td::ChainBufferReader *buffer);
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private:
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static constexpr td::uint32 buf_size = 1 << 20;
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td::BufferedStdin stdin_;
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std::string prompt_;
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bool use_readline_ = false;
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std::unique_ptr<Callback> callback_;
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std::mutex out_mutex_;
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char buf_[buf_size];
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td::uint32 buf_start_ = 0;
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td::uint32 buf_end_ = 0;
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static TerminalIOImpl *instance_;
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td::actor::ActorId<TerminalIOImpl> self_;
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std::unique_ptr<TerminalLogInterface> log_interface_;
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td::uint32 saved_point_;
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std::string saved_line_;
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size_t buffer_pos_ = 0;
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std::queue<td::BufferSlice> cmd_queue_;
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};
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} // namespace td
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