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103 lines
3.3 KiB
C++
103 lines
3.3 KiB
C++
/*
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* uuid-console - Microcontroller console shell
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* Copyright 2022 Simon Arlott
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <uuid/console.h>
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#include <memory>
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#include <utility>
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namespace uuid {
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namespace console {
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Commands::AvailableCommands Commands::available_commands(const Shell & shell) const {
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auto range = commands_.equal_range(shell.context());
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return AvailableCommands(shell, range.first, range.second);
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}
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Commands::AvailableCommand::AvailableCommand(const Command & command)
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: command_(command) {
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name_.reserve(command_.name_.size());
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for (auto name : command_.name_) {
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name_.push_back(name);
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}
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arguments_.reserve(command_.arguments_.size());
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for (auto argument : command_.arguments_) {
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arguments_.push_back(argument);
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}
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}
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Commands::AvailableCommands::AvailableCommands(const Shell & shell, const command_iterator & begin, const command_iterator & end)
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: shell_(shell)
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, begin_(begin)
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, end_(end) {
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// Skip over unavailable commands at the beginning
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while (begin_ != end_ && !shell_.has_flags(begin_->second.flags_, begin_->second.not_flags_)) {
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++begin_;
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}
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}
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Commands::AvailableCommands::const_iterator Commands::AvailableCommands::cbegin() const {
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return AvailableCommands::const_iterator(shell_, begin_, begin_, end_);
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}
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Commands::AvailableCommands::const_iterator Commands::AvailableCommands::cend() const {
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return AvailableCommands::const_iterator(shell_, begin_, end_, end_);
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}
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Commands::AvailableCommands::const_iterator::const_iterator(const Shell & shell,
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const command_iterator & begin,
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const command_iterator & command,
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const command_iterator & end)
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: shell_(std::move(shell))
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, begin_(begin)
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, command_(command)
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, end_(end) {
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update();
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}
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void Commands::AvailableCommands::const_iterator::update() {
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if (command_ != end_) {
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available_command_ = std::make_shared<AvailableCommand>(command_->second);
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} else {
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available_command_.reset();
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}
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}
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Commands::AvailableCommands::const_iterator & Commands::AvailableCommands::const_iterator::operator++() {
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do {
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++command_;
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} while (command_ != end_ && !shell_.has_flags(command_->second.flags_, command_->second.not_flags_));
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update();
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return *this;
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}
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Commands::AvailableCommands::const_iterator & Commands::AvailableCommands::const_iterator::operator--() {
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do {
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--command_;
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} while (command_ != begin_ && !shell_.has_flags(command_->second.flags_, command_->second.not_flags_));
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update();
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return *this;
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}
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} // namespace console
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} // namespace uuid
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