Open Chinese Convert 1.1.7 A project for conversion between Traditional and Simplified Chinese

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Dict.hpp
1/*
2 * Open Chinese Convert
3 *
4 * Copyright 2010-2020 Carbo Kuo <byvoid@byvoid.com>
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19#pragma once
20
21#include "Common.hpp"
22#include "DictEntry.hpp"
23
24 namespace opencc {
29 class OPENCC_EXPORT Dict {
30 public:
34 virtual Optional<const DictEntry*> Match(const char* word,
35 size_t len) const = 0;
36
40 Optional<const DictEntry*> Match(const std::string& word) const {
41 return Match(word.c_str(), word.length());
42 }
43
49 virtual Optional<const DictEntry*> MatchPrefix(const char* word,
50 size_t len) const;
51
55 Optional<const DictEntry*> MatchPrefix(const char* word) const {
56 return MatchPrefix(word, KeyMaxLength());
57 }
58
62 Optional<const DictEntry*> MatchPrefix(const std::string& word) const {
63 return MatchPrefix(word.c_str(), word.length());
64 }
65
71 virtual std::vector<const DictEntry*> MatchAllPrefixes(const char* word,
72 size_t len) const;
73
77 std::vector<const DictEntry*>
78 MatchAllPrefixes(const std::string& word) const {
79 return MatchAllPrefixes(word.c_str(), word.length());
80 }
81
85 virtual size_t KeyMaxLength() const = 0;
86
90 virtual LexiconPtr GetLexicon() const = 0;
91};
92} // namespace opencc
opencc::Dict
Abstract class of dictionary.
Definition Dict.hpp:29
opencc::Dict::KeyMaxLength
virtual size_t KeyMaxLength() const =0
Returns the length of the longest key in the dictionary.
opencc::Dict::Match
virtual Optional< const DictEntry * > Match(const char *word, size_t len) const =0
Matches a word exactly and returns the DictEntry or Optional::Null().
opencc::Dict::GetLexicon
virtual LexiconPtr GetLexicon() const =0
Returns all entries in the dictionary.
opencc::Dict::MatchPrefix
Optional< const DictEntry * > MatchPrefix(const std::string &word) const
Matches the longest matched prefix of a word.
Definition Dict.hpp:62
opencc::Dict::Match
Optional< const DictEntry * > Match(const std::string &word) const
Matches a word exactly and returns the DictEntry or Optional::Null().
Definition Dict.hpp:40
opencc::Dict::MatchPrefix
Optional< const DictEntry * > MatchPrefix(const char *word) const
Matches the longest matched prefix of a word.
Definition Dict.hpp:55
opencc::Dict::MatchAllPrefixes
std::vector< const DictEntry * > MatchAllPrefixes(const std::string &word) const
Returns all matched prefixes of a word, sorted by the length (desc).
Definition Dict.hpp:78
opencc::Optional
A class that wraps type T into a nullable type.
Definition Optional.hpp:26