Open Chinese Convert  1.1.1
A project for conversion between Traditional and Simplified Chinese
SerializableDict.hpp
1 /*
2  * Open Chinese Convert
3  *
4  * Copyright 2010-2014 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 "Dict.hpp"
22 
23 namespace opencc {
28 class OPENCC_EXPORT SerializableDict {
29 public:
33  virtual void SerializeToFile(FILE* fp) const = 0;
34 
38  virtual void SerializeToFile(const std::string& fileName) const {
39  FILE* fp = fopen(fileName.c_str(), "wb");
40  if (fp == NULL) {
41  throw FileNotWritable(fileName);
42  }
43  SerializeToFile(fp);
44  fclose(fp);
45  }
46 
47  template <typename DICT>
48  static bool TryLoadFromFile(const std::string& fileName,
49  std::shared_ptr<DICT>* dict) {
50  FILE* fp =
51 #ifdef _MSC_VER
52  // well, the 'GetPlatformString' shall return a 'wstring'
53  _wfopen(UTF8Util::GetPlatformString(fileName).c_str(), L"rb")
54 #else
55  fopen(UTF8Util::GetPlatformString(fileName).c_str(), "rb")
56 #endif // _MSC_VER
57  ;
58 
59  if (fp == NULL) {
60  return false;
61  }
62  std::shared_ptr<DICT> loadedDict = DICT::NewFromFile(fp);
63  fclose(fp);
64  *dict = loadedDict;
65  return true;
66  }
67 
68  template <typename DICT>
69  static std::shared_ptr<DICT> NewFromFile(const std::string& fileName) {
70  std::shared_ptr<DICT> dict;
71  if (!TryLoadFromFile<DICT>(fileName, &dict)) {
72  throw FileNotFound(fileName);
73  }
74  return dict;
75  }
76 };
77 } // namespace opencc
opencc::SerializableDict::SerializeToFile
virtual void SerializeToFile(const std::string &fileName) const
Serializes the dictionary and writes in to a file.
Definition: SerializableDict.hpp:38
opencc::FileNotWritable
Definition: Exception.hpp:55
opencc::SerializableDict
Serializable dictionary interface.
Definition: SerializableDict.hpp:28