• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef FONT_CONFIG_H
17 #define FONT_CONFIG_H
18 
19 #include <algorithm>
20 #include <cstring>
21 #include <map>
22 #include <memory>
23 #include <string>
24 #include <unordered_map>
25 #include <vector>
26 
27 struct cJSON;
28 namespace OHOS {
29 namespace Rosen {
30 namespace TextEngine {
31 class FontConfig {
32 public:
33     explicit FontConfig(const char* fname = nullptr);
34     virtual ~FontConfig() = default;
35     virtual void Dump() const;
36     std::vector<std::string> GetFontSet() const;
37 
38 protected:
39     int ParseConfig(const char* fname);
40     int ParseFont(const cJSON* root);
41     static cJSON* CheckConfigFile(const char* fname);
42     static char* GetFileData(const char* fname, int& size);
43 
44 private:
45     std::vector<std::string> fontSet_;
46     std::string rootPath_;
47 };
48 
49 typedef struct AdjustInfo {
50     int origValue;
51     int newValue;
52 } AdjustInfo;
53 using AdjustSet = std::vector<AdjustInfo>;
54 
55 typedef struct AliasInfo {
56     std::string familyName;
57     int weight;
58 } AliasInfo;
59 using AliasSet = std::vector<AliasInfo>;
60 
61 typedef struct FallbackInfo {
62     std::string familyName;
63     std::string font;
64 } FallbackInfo;
65 using FallbackInfoSet = std::vector<FallbackInfo>;
66 
67 typedef struct FallbackGroup {
68     std::string groupName;
69     FallbackInfoSet fallbackInfoSet;
70 } FallbackGroup;
71 using FallbackGroupSet = std::vector<FallbackGroup>;
72 
73 typedef struct FontGenericInfo {
74     std::string familyName;
75     AliasSet aliasSet;
76     AdjustSet adjustSet;
77 } FontGenericInfo;
78 using GenericSet = std::vector<FontGenericInfo>;
79 
80 typedef struct FontConfigJsonInfo {
81     std::vector<std::string> fontDirSet;
82     GenericSet genericSet;
83     FallbackGroupSet fallbackGroupSet;
84 } FontConfigJsonInfo;
85 
86 using FontFileMap = std::unordered_map<std::string, std::string>;
87 using FullNameToPath = std::unordered_map<std::string, std::pair<size_t, std::string>>;
88 
89 class FontConfigJson : public FontConfig {
90 public:
91     FontConfigJson() = default;
92     int ParseFile(const char* fname = nullptr);
93     int ParseFontFileMap(const char* fname = nullptr);
94     template<typename T>
95     static int ParseInstallConfig(const char* fontPath, T& fontPathList);
GetFontConfigJsonInfo()96     std::shared_ptr<FontConfigJsonInfo> GetFontConfigJsonInfo()
97     {
98         return fontPtr;
99     }
GetFontFileMap()100     std::shared_ptr<FontFileMap> GetFontFileMap()
101     {
102         return fontFileMap;
103     }
104     // for test
105     void Dump() const override;
106 
107 private:
108     int ParseConfigList(const char* fname);
109     int ParseConfigListPath(const char* fname);
110     int ParseFontMap(const cJSON* root, const char* key);
111     int ParseDir(const cJSON* root);
112     int ParseFonts(const cJSON* root);
113     void AnalyseFont(const cJSON* root);
114     static int ParseInstallFont(const cJSON* root, std::vector<std::string>& fontPathList);
115     static int ParseInstallFont(const cJSON* root, FullNameToPath& fontPathList);
116     static void ParseFullName(const cJSON* root, std::vector<std::string>& fullNameList);
117     void DumpFontDir() const;
118     void DumpGeneric() const;
119     void DumpForbak() const;
120     void DumpAlias(const AliasSet &aliasSet) const;
121     void DumpAjdust(const AdjustSet &adjustSet) const;
122     void DumpFontFileMap() const;
123     struct FontJson {
124         int type = 0;
125         int weight = 0;
126         std::string alias;
127         std::string family;
128         std::string lang;
129     };
130     void EmplaceFontJson(const FontJson &fontJson);
131 
132     std::shared_ptr<FontConfigJsonInfo> fontPtr = nullptr;
133     std::shared_ptr<FontFileMap> fontFileMap = nullptr;
134     // because of some memory bugs, this place use shared ptr
135     std::shared_ptr<std::unordered_map<std::string, size_t>> indexMap = nullptr;
136 };
137 } // namespace TextEngine
138 } // namespace Rosen
139 } // namespace OHOS
140 #endif /* FONT_CONFIG_H */
141