Converter.hpp

/*
 * Open Chinese Convert
 *
 * Copyright 2010-2014 Carbo Kuo <byvoid@byvoid.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#pragma once
 
#include <cstddef>
#include <string>
#include <string_view>
 
#include "Common.hpp"
#include "ConversionInspection.hpp"
#include "Segmentation.hpp"
 
namespace opencc {
class OPENCC_EXPORT Converter {
public:
  virtual ~Converter() = default;

  virtual std::string Convert(std::string_view text) const = 0;

  virtual ConversionInspectionResult Inspect(std::string_view text) const = 0;

  virtual SegmentationPtr GetSegmentation() const = 0;

  virtual ConversionChainPtr GetConversionChain() const = 0;
};
 
class OPENCC_EXPORT ConverterStream {
public:
  explicit ConverterStream(ConverterPtr converter, size_t maxKeepChars = 16)
      : converter(converter), maxKeepChars(maxKeepChars) {}

  std::string ConvertChunk(std::string_view input);

  std::string Finish(std::string_view input);
 
  std::string Finish();
 
private:
  ConverterPtr converter;
  size_t maxKeepChars;
  std::string pending;
};
} // namespace opencc