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esphome/esphome/components/select/select_call.cpp
J. Nick Koston 10b9ec32a8 preen
2025-10-30 15:33:19 -05:00

129 lines
3.8 KiB
C++

#include "select_call.h"
#include "select.h"
#include "esphome/core/log.h"
namespace esphome {
namespace select {
static const char *const TAG = "select";
SelectCall &SelectCall::set_option(const std::string &option) { return this->with_option(option); }
SelectCall &SelectCall::set_option(const char *option) { return this->with_option(option); }
SelectCall &SelectCall::set_index(size_t index) { return this->with_index(index); }
SelectCall &SelectCall::select_next(bool cycle) { return this->with_operation(SELECT_OP_NEXT).with_cycle(cycle); }
SelectCall &SelectCall::select_previous(bool cycle) {
return this->with_operation(SELECT_OP_PREVIOUS).with_cycle(cycle);
}
SelectCall &SelectCall::select_first() { return this->with_operation(SELECT_OP_FIRST); }
SelectCall &SelectCall::select_last() { return this->with_operation(SELECT_OP_LAST); }
SelectCall &SelectCall::with_operation(SelectOperation operation) {
this->operation_ = operation;
return *this;
}
SelectCall &SelectCall::with_cycle(bool cycle) {
this->cycle_ = cycle;
return *this;
}
SelectCall &SelectCall::with_option(const std::string &option) { return this->with_option(option.c_str()); }
SelectCall &SelectCall::with_option(const char *option) {
this->operation_ = SELECT_OP_SET;
// Find the option index - this validates the option exists
this->index_ = this->parent_->index_of(option);
return *this;
}
SelectCall &SelectCall::with_index(size_t index) {
this->operation_ = SELECT_OP_SET;
if (index >= this->parent_->size()) {
ESP_LOGW(TAG, "'%s' - Index value %zu out of bounds", this->parent_->get_name().c_str(), index);
this->index_ = {}; // Store nullopt for invalid index
} else {
this->index_ = index;
}
return *this;
}
optional<size_t> SelectCall::calculate_target_index_(const char *name) {
const auto &options = this->parent_->traits.get_options();
if (options.empty()) {
ESP_LOGW(TAG, "'%s' - Select has no options", name);
return {};
}
if (this->operation_ == SELECT_OP_FIRST) {
return 0;
}
if (this->operation_ == SELECT_OP_LAST) {
return options.size() - 1;
}
if (this->operation_ == SELECT_OP_SET) {
ESP_LOGD(TAG, "'%s' - Setting", name);
if (!this->index_.has_value()) {
ESP_LOGW(TAG, "'%s' - No option set", name);
return {};
}
return this->index_.value();
}
// SELECT_OP_NEXT or SELECT_OP_PREVIOUS
ESP_LOGD(TAG, "'%s' - Selecting %s, with%s cycling", name, this->operation_ == SELECT_OP_NEXT ? "next" : "previous",
this->cycle_ ? "" : "out");
const auto size = options.size();
if (!this->parent_->has_state()) {
return this->operation_ == SELECT_OP_NEXT ? 0 : size - 1;
}
// Use cached active_index_ instead of index_of() lookup
const auto index = this->parent_->active_index_;
if (this->cycle_) {
return (size + index + (this->operation_ == SELECT_OP_NEXT ? +1 : -1)) % size;
}
if (this->operation_ == SELECT_OP_PREVIOUS && index > 0) {
return index - 1;
}
if (this->operation_ == SELECT_OP_NEXT && index < size - 1) {
return index + 1;
}
return {}; // Can't navigate further without cycling
}
void SelectCall::perform() {
auto *parent = this->parent_;
const auto *name = parent->get_name().c_str();
if (this->operation_ == SELECT_OP_NONE) {
ESP_LOGW(TAG, "'%s' - SelectCall performed without selecting an operation", name);
return;
}
// Calculate target index (with_index() and with_option() already validate bounds/existence)
auto target_index = this->calculate_target_index_(name);
if (!target_index.has_value()) {
return;
}
auto idx = target_index.value();
// All operations use indices, call control() by index to avoid string conversion
ESP_LOGD(TAG, "'%s' - Set selected option to: %s", name, parent->option_at(idx));
parent->control(idx);
}
} // namespace select
} // namespace esphome