updated uuid libs

lib/uuid-console/src/commands_iterable.cpp

@@ -0,0 +1,103 @@
+/*
+ * uuid-console - Microcontroller console shell
+ * Copyright 2022  Simon Arlott
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <uuid/console.h>
+
+#include <memory>
+#include <utility>
+
+namespace uuid {
+
+namespace console {
+
+Commands::AvailableCommands Commands::available_commands(const Shell & shell) const {
+    auto range = commands_.equal_range(shell.context());
+    return AvailableCommands(shell, range.first, range.second);
+}
+
+Commands::AvailableCommand::AvailableCommand(const Command & command)
+    : command_(command) {
+    name_.reserve(command_.name_.size());
+    for (auto name : command_.name_) {
+        name_.push_back(name);
+    }
+
+    arguments_.reserve(command_.arguments_.size());
+    for (auto argument : command_.arguments_) {
+        arguments_.push_back(argument);
+    }
+}
+
+Commands::AvailableCommands::AvailableCommands(const Shell & shell, const command_iterator & begin, const command_iterator & end)
+    : shell_(shell)
+    , begin_(begin)
+    , end_(end) {
+    // Skip over unavailable commands at the beginning
+    while (begin_ != end_ && !shell_.has_flags(begin_->second.flags_, begin_->second.not_flags_)) {
+        ++begin_;
+    }
+}
+
+Commands::AvailableCommands::const_iterator Commands::AvailableCommands::cbegin() const {
+    return AvailableCommands::const_iterator(shell_, begin_, begin_, end_);
+}
+
+Commands::AvailableCommands::const_iterator Commands::AvailableCommands::cend() const {
+    return AvailableCommands::const_iterator(shell_, begin_, end_, end_);
+}
+
+Commands::AvailableCommands::const_iterator::const_iterator(const Shell &            shell,
+                                                            const command_iterator & begin,
+                                                            const command_iterator & command,
+                                                            const command_iterator & end)
+    : shell_(std::move(shell))
+    , begin_(begin)
+    , command_(command)
+    , end_(end) {
+    update();
+}
+
+void Commands::AvailableCommands::const_iterator::update() {
+    if (command_ != end_) {
+        available_command_ = std::make_shared<AvailableCommand>(command_->second);
+    } else {
+        available_command_.reset();
+    }
+}
+
+Commands::AvailableCommands::const_iterator & Commands::AvailableCommands::const_iterator::operator++() {
+    do {
+        ++command_;
+    } while (command_ != end_ && !shell_.has_flags(command_->second.flags_, command_->second.not_flags_));
+
+    update();
+    return *this;
+}
+
+Commands::AvailableCommands::const_iterator & Commands::AvailableCommands::const_iterator::operator--() {
+    do {
+        --command_;
+    } while (command_ != begin_ && !shell_.has_flags(command_->second.flags_, command_->second.not_flags_));
+
+    update();
+    return *this;
+}
+
+} // namespace console
+
+} // namespace uuid