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esphome/esphome/components/select/select.cpp

91 lines
2.8 KiB
C++

#include "select.h"
#include "esphome/core/defines.h"
#include "esphome/core/controller_registry.h"
#include "esphome/core/log.h"
#include <cstring>
namespace esphome {
namespace select {
static const char *const TAG = "select";
void Select::publish_state(const std::string &state) { this->publish_state(state.c_str()); }
void Select::publish_state(const char *state) {
auto index = this->index_of(state);
if (index.has_value()) {
this->publish_state(index.value());
} else {
ESP_LOGE(TAG, "'%s': Invalid option %s", this->get_name().c_str(), state);
}
}
void Select::publish_state(size_t index) {
if (!this->has_index(index)) {
ESP_LOGE(TAG, "'%s': Invalid index %zu", this->get_name().c_str(), index);
return;
}
const char *option = this->option_at(index);
this->set_has_state(true);
this->active_index_ = index;
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
this->state = option; // Update deprecated member for backward compatibility
#pragma GCC diagnostic pop
ESP_LOGD(TAG, "'%s': Sending state %s (index %zu)", this->get_name().c_str(), option, index);
// Callback signature requires std::string, create temporary for compatibility
this->state_callback_.call(std::string(option), index);
#if defined(USE_SELECT) && defined(USE_CONTROLLER_REGISTRY)
ControllerRegistry::notify_select_update(this);
#endif
}
const char *Select::current_option() const { return this->has_state() ? this->option_at(this->active_index_) : ""; }
void Select::add_on_state_callback(std::function<void(std::string, size_t)> &&callback) {
this->state_callback_.add(std::move(callback));
}
bool Select::has_option(const std::string &option) const { return this->index_of(option.c_str()).has_value(); }
bool Select::has_option(const char *option) const { return this->index_of(option).has_value(); }
bool Select::has_index(size_t index) const { return index < this->size(); }
size_t Select::size() const {
const auto &options = traits.get_options();
return options.size();
}
optional<size_t> Select::index_of(const std::string &option) const { return this->index_of(option.c_str()); }
optional<size_t> Select::index_of(const char *option) const {
const auto &options = traits.get_options();
for (size_t i = 0; i < options.size(); i++) {
if (strcmp(options[i], option) == 0) {
return i;
}
}
return {};
}
optional<size_t> Select::active_index() const {
if (this->has_state()) {
return this->active_index_;
}
return {};
}
optional<std::string> Select::at(size_t index) const {
if (this->has_index(index)) {
const auto &options = traits.get_options();
return std::string(options.at(index));
}
return {};
}
const char *Select::option_at(size_t index) const { return traits.get_options().at(index); }
} // namespace select
} // namespace esphome