entity_base.cpp

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#include "esphome/core/entity_base.h"
#include "esphome/core/application.h"
#include "esphome/core/helpers.h"
 
namespace esphome {
 
static const char *const TAG = "entity_base";
 
// Entity Name
const StringRef &EntityBase::get_name() const { return this->name_; }
void EntityBase::set_name(const char *name) {
  this->name_ = StringRef(name);
  if (this->name_.empty()) {
    this->name_ = StringRef(App.get_friendly_name());
    this->flags_.has_own_name = false;
  } else {
    this->flags_.has_own_name = true;
  }
}
 
// Entity Icon
std::string EntityBase::get_icon() const {
  if (this->icon_c_str_ == nullptr) {
    return "";
  }
  return this->icon_c_str_;
}
void EntityBase::set_icon(const char *icon) { this->icon_c_str_ = icon; }
 
// Entity Object ID
std::string EntityBase::get_object_id() const {
  // Check if `App.get_friendly_name()` is constant or dynamic.
  if (!this->flags_.has_own_name && App.is_name_add_mac_suffix_enabled()) {
    // `App.get_friendly_name()` is dynamic.
    return str_sanitize(str_snake_case(App.get_friendly_name()));
  } else {
    // `App.get_friendly_name()` is constant.
    if (this->object_id_c_str_ == nullptr) {
      return "";
    }
    return this->object_id_c_str_;
  }
}
void EntityBase::set_object_id(const char *object_id) {
  this->object_id_c_str_ = object_id;
  this->calc_object_id_();
}
 
// Calculate Object ID Hash from Entity Name
void EntityBase::calc_object_id_() {
  // Check if `App.get_friendly_name()` is constant or dynamic.
  if (!this->flags_.has_own_name && App.is_name_add_mac_suffix_enabled()) {
    // `App.get_friendly_name()` is dynamic.
    const auto object_id = str_sanitize(str_snake_case(App.get_friendly_name()));
    // FNV-1 hash
    this->object_id_hash_ = fnv1_hash(object_id);
  } else {
    // `App.get_friendly_name()` is constant.
    // FNV-1 hash
    this->object_id_hash_ = fnv1_hash(this->object_id_c_str_);
  }
}
 
uint32_t EntityBase::get_object_id_hash() { return this->object_id_hash_; }
 
std::string EntityBase_DeviceClass::get_device_class() {
  if (this->device_class_ == nullptr) {
    return "";
  }
  return this->device_class_;
}
 
void EntityBase_DeviceClass::set_device_class(const char *device_class) { this->device_class_ = device_class; }
 
std::string EntityBase_UnitOfMeasurement::get_unit_of_measurement() {
  if (this->unit_of_measurement_ == nullptr)
    return "";
  return this->unit_of_measurement_;
}
void EntityBase_UnitOfMeasurement::set_unit_of_measurement(const char *unit_of_measurement) {
  this->unit_of_measurement_ = unit_of_measurement;
}
 
}  // namespace esphome