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#include "composer/internal/composition_input.h"

#include "base/logging.h"

namespace mozc {
namespace composer {

CompositionInput::CompositionInput()
    : has_conversion_(false), is_new_input_(false), transliterator_(nullptr) {}

CompositionInput::~CompositionInput() = default;

void CompositionInput::Clear() {
  raw_.clear();
  conversion_.clear();
  has_conversion_ = false;
  is_new_input_ = false;
  transliterator_ = nullptr;
}

bool CompositionInput::Empty() const {
  if (has_conversion()) {
    return raw().empty() && conversion().empty();
  } else {
    return raw().empty();
  }
}

void CompositionInput::CopyFrom(const CompositionInput &input) {
  raw_ = input.raw();
  if (input.has_conversion()) {
    conversion_ = input.conversion();
    has_conversion_ = true;
  } else {
    conversion_.clear();
    has_conversion_ = false;
  }
  is_new_input_ = input.is_new_input();
  transliterator_ = input.transliterator();
}

const std::string &CompositionInput::raw() const { return raw_; }

std::string *CompositionInput::mutable_raw() { return &raw_; }

void CompositionInput::set_raw(const std::string &raw) { raw_ = raw; }

const std::string &CompositionInput::conversion() const {
  if (has_conversion_) {
    return conversion_;
  } else {
    LOG(WARNING) << "conversion is not set.";
    static const std::string *kEmptyString = new std::string();
    return *kEmptyString;
  }
}

std::string *CompositionInput::mutable_conversion() {
  has_conversion_ = true;
  // If has_conversion_ was false, conversion_ should be empty.
  return &conversion_;
}

void CompositionInput::set_conversion(const std::string &conversion) {
  conversion_ = conversion;
  has_conversion_ = true;
}

bool CompositionInput::has_conversion() const { return has_conversion_; }

bool CompositionInput::is_new_input() const { return is_new_input_; }

void CompositionInput::set_is_new_input(bool is_new_input) {
  is_new_input_ = is_new_input;
}

const TransliteratorInterface *CompositionInput::transliterator() const {
  return transliterator_;
}

void CompositionInput::set_transliterator(const TransliteratorInterface *t12r) {
  transliterator_ = t12r;
}

}  // namespace composer
}  // namespace mozc
