vChewing-macOS/Source/Engine/ParselessLM.h

59 lines
2.0 KiB
C++

// Copyright (c) 2022 and onwards The McBopomofo Authors.
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#ifndef SOURCE_ENGINE_PARSELESSLM_H_
#define SOURCE_ENGINE_PARSELESSLM_H_
#include <memory>
#include <string>
#include <vector>
#include "LanguageModel.h"
#include "ParselessPhraseDB.h"
namespace McBopomofo {
class ParselessLM : public Formosa::Gramambular::LanguageModel {
public:
~ParselessLM() override;
bool open(const std::string_view& path);
void close();
const std::vector<Formosa::Gramambular::Bigram> bigramsForKeys(
const std::string& preceedingKey, const std::string& key) override;
const std::vector<Formosa::Gramambular::Unigram> unigramsForKey(
const std::string& key) override;
bool hasUnigramsForKey(const std::string& key) override;
private:
int fd_ = -1;
void* data_ = nullptr;
size_t length_ = 0;
std::unique_ptr<ParselessPhraseDB> db_;
};
}; // namespace McBopomofo
#endif // SOURCE_ENGINE_PARSELESSLM_H_