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DartsDict.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 "Common.hpp"
#include "SerializableDict.hpp"
namespace opencc {
class OPENCC_EXPORT DartsDict : public Dict, public SerializableDict {
public:
virtual ~DartsDict() override;
virtual size_t KeyMaxLength() const override;
virtual Optional<const DictEntry*> Match(const char* word,
size_t len) const override;
virtual Optional<const DictEntry*> MatchPrefix(const char* word,
size_t len) const override;
virtual LexiconPtr GetLexicon() const override;
virtual bool SupportsFastPrefixMatch() const override { return true; }
virtual PrefixMatchView MatchPrefixValue(const char* word,
size_t len) const override;
virtual void SerializeToFile(FILE* fp) const override;
static DartsDictPtr NewFromDict(const Dict& thatDict);
static DartsDictPtr NewFromFile(FILE* fp);
static DartsDictPtr NewFromBuffer(const char* data, size_t size);
private:
DartsDict();
size_t maxLength;
LexiconPtr lexicon;
class DartsInternal;
DartsInternal* internal;
};
} // namespace opencc
opencc::DartsDict
Darts dictionary.
Definition DartsDict.hpp:29
opencc::DartsDict::Match
virtual Optional< const DictEntry * > Match(const char *word, size_t len) const override
Matches a word exactly and returns the DictEntry or Optional::Null().
Definition DartsDict.cpp:127
opencc::DartsDict::GetLexicon
virtual LexiconPtr GetLexicon() const override
Returns all entries in the dictionary.
Definition DartsDict.cpp:202
opencc::DartsDict::MatchPrefix
virtual Optional< const DictEntry * > MatchPrefix(const char *word, size_t len) const override
Matches the longest matched prefix of a word.
Definition DartsDict.cpp:149
opencc::DartsDict::KeyMaxLength
virtual size_t KeyMaxLength() const override
Returns the length of the longest key in the dictionary.
Definition DartsDict.cpp:125
opencc::DartsDict::SupportsFastPrefixMatch
virtual bool SupportsFastPrefixMatch() const override
Returns true if this dict can handle prefix queries directly without PrefixMatch building a lookup ta...
Definition DartsDict.hpp:43
opencc::Dict
Abstract class of dictionary.
Definition Dict.hpp:63
opencc::Optional
A class that wraps type T into a nullable type.
Definition Optional.hpp:26
opencc::SerializableDict
Serializable dictionary interface.
Definition SerializableDict.hpp:32
opencc::PrefixMatchView
Result of a PrefixMatch fast-path lookup.
Definition Dict.hpp:52