Open Chinese Convert: Dict.hpp Source File

Open Chinese Convert 1.1.1 A project for conversion between Traditional and Simplified Chinese

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 std::string& word) const {
56 return MatchPrefix(word.c_str(), word.length());
57 }
58
64 virtual std::vector<const DictEntry*> MatchAllPrefixes(const char* word,
65 size_t len) const;
66
70 std::vector<const DictEntry*>
71 MatchAllPrefixes(const std::string& word) const {
72 return MatchAllPrefixes(word.c_str(), word.length());
73 }
74
78 virtual size_t KeyMaxLength() const = 0;
79
83 virtual LexiconPtr GetLexicon() const = 0;
84 };
85 } // namespace opencc
opencc::Dict
Abstract class of dictionary.
Definition: Dict.hpp:29
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:71
opencc::Dict::MatchPrefix
Optional< const DictEntry * > MatchPrefix(const std::string &word) const
Matches the longest matched prefix of a word.
Definition: Dict.hpp:55
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::Optional
A class that wraps type T into a nullable type.
Definition: Optional.hpp:26