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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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57 class PLATFORM_EXPORT JSONValue { | 57 class PLATFORM_EXPORT JSONValue { |
58 USING_FAST_MALLOC(JSONValue); | 58 USING_FAST_MALLOC(JSONValue); |
59 WTF_MAKE_NONCOPYABLE(JSONValue); | 59 WTF_MAKE_NONCOPYABLE(JSONValue); |
60 | 60 |
61 public: | 61 public: |
62 static const int maxDepth = 1000; | 62 static const int maxDepth = 1000; |
63 | 63 |
64 virtual ~JSONValue() {} | 64 virtual ~JSONValue() {} |
65 | 65 |
66 static std::unique_ptr<JSONValue> null() { | 66 static std::unique_ptr<JSONValue> null() { |
67 return wrapUnique(new JSONValue()); | 67 return WTF::wrapUnique(new JSONValue()); |
68 } | 68 } |
69 | 69 |
70 enum ValueType { | 70 enum ValueType { |
71 TypeNull = 0, | 71 TypeNull = 0, |
72 TypeBoolean, | 72 TypeBoolean, |
73 TypeInteger, | 73 TypeInteger, |
74 TypeDouble, | 74 TypeDouble, |
75 TypeString, | 75 TypeString, |
76 TypeObject, | 76 TypeObject, |
77 TypeArray | 77 TypeArray |
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102 private: | 102 private: |
103 friend class JSONObject; | 103 friend class JSONObject; |
104 friend class JSONArray; | 104 friend class JSONArray; |
105 | 105 |
106 ValueType m_type; | 106 ValueType m_type; |
107 }; | 107 }; |
108 | 108 |
109 class PLATFORM_EXPORT JSONBasicValue : public JSONValue { | 109 class PLATFORM_EXPORT JSONBasicValue : public JSONValue { |
110 public: | 110 public: |
111 static std::unique_ptr<JSONBasicValue> create(bool value) { | 111 static std::unique_ptr<JSONBasicValue> create(bool value) { |
112 return wrapUnique(new JSONBasicValue(value)); | 112 return WTF::wrapUnique(new JSONBasicValue(value)); |
113 } | 113 } |
114 | 114 |
115 static std::unique_ptr<JSONBasicValue> create(int value) { | 115 static std::unique_ptr<JSONBasicValue> create(int value) { |
116 return wrapUnique(new JSONBasicValue(value)); | 116 return WTF::wrapUnique(new JSONBasicValue(value)); |
117 } | 117 } |
118 | 118 |
119 static std::unique_ptr<JSONBasicValue> create(double value) { | 119 static std::unique_ptr<JSONBasicValue> create(double value) { |
120 return wrapUnique(new JSONBasicValue(value)); | 120 return WTF::wrapUnique(new JSONBasicValue(value)); |
121 } | 121 } |
122 | 122 |
123 bool asBoolean(bool* output) const override; | 123 bool asBoolean(bool* output) const override; |
124 bool asDouble(double* output) const override; | 124 bool asDouble(double* output) const override; |
125 bool asInteger(int* output) const override; | 125 bool asInteger(int* output) const override; |
126 void writeJSON(StringBuilder* output) const override; | 126 void writeJSON(StringBuilder* output) const override; |
127 std::unique_ptr<JSONValue> clone() const override; | 127 std::unique_ptr<JSONValue> clone() const override; |
128 | 128 |
129 private: | 129 private: |
130 explicit JSONBasicValue(bool value) | 130 explicit JSONBasicValue(bool value) |
131 : JSONValue(TypeBoolean), m_boolValue(value) {} | 131 : JSONValue(TypeBoolean), m_boolValue(value) {} |
132 explicit JSONBasicValue(int value) | 132 explicit JSONBasicValue(int value) |
133 : JSONValue(TypeInteger), m_integerValue(value) {} | 133 : JSONValue(TypeInteger), m_integerValue(value) {} |
134 explicit JSONBasicValue(double value) | 134 explicit JSONBasicValue(double value) |
135 : JSONValue(TypeDouble), m_doubleValue(value) {} | 135 : JSONValue(TypeDouble), m_doubleValue(value) {} |
136 | 136 |
137 union { | 137 union { |
138 bool m_boolValue; | 138 bool m_boolValue; |
139 double m_doubleValue; | 139 double m_doubleValue; |
140 int m_integerValue; | 140 int m_integerValue; |
141 }; | 141 }; |
142 }; | 142 }; |
143 | 143 |
144 class PLATFORM_EXPORT JSONString : public JSONValue { | 144 class PLATFORM_EXPORT JSONString : public JSONValue { |
145 public: | 145 public: |
146 static std::unique_ptr<JSONString> create(const String& value) { | 146 static std::unique_ptr<JSONString> create(const String& value) { |
147 return wrapUnique(new JSONString(value)); | 147 return WTF::wrapUnique(new JSONString(value)); |
148 } | 148 } |
149 | 149 |
150 static std::unique_ptr<JSONString> create(const char* value) { | 150 static std::unique_ptr<JSONString> create(const char* value) { |
151 return wrapUnique(new JSONString(value)); | 151 return WTF::wrapUnique(new JSONString(value)); |
152 } | 152 } |
153 | 153 |
154 bool asString(String* output) const override; | 154 bool asString(String* output) const override; |
155 void writeJSON(StringBuilder* output) const override; | 155 void writeJSON(StringBuilder* output) const override; |
156 std::unique_ptr<JSONValue> clone() const override; | 156 std::unique_ptr<JSONValue> clone() const override; |
157 | 157 |
158 private: | 158 private: |
159 explicit JSONString(const String& value) | 159 explicit JSONString(const String& value) |
160 : JSONValue(TypeString), m_stringValue(value) {} | 160 : JSONValue(TypeString), m_stringValue(value) {} |
161 explicit JSONString(const char* value) | 161 explicit JSONString(const char* value) |
162 : JSONValue(TypeString), m_stringValue(value) {} | 162 : JSONValue(TypeString), m_stringValue(value) {} |
163 | 163 |
164 String m_stringValue; | 164 String m_stringValue; |
165 }; | 165 }; |
166 | 166 |
167 class PLATFORM_EXPORT JSONObject : public JSONValue { | 167 class PLATFORM_EXPORT JSONObject : public JSONValue { |
168 public: | 168 public: |
169 using Entry = std::pair<String, JSONValue*>; | 169 using Entry = std::pair<String, JSONValue*>; |
170 static std::unique_ptr<JSONObject> create() { | 170 static std::unique_ptr<JSONObject> create() { |
171 return wrapUnique(new JSONObject()); | 171 return WTF::wrapUnique(new JSONObject()); |
172 } | 172 } |
173 | 173 |
174 static JSONObject* cast(JSONValue* value) { | 174 static JSONObject* cast(JSONValue* value) { |
175 if (!value || value->getType() != TypeObject) | 175 if (!value || value->getType() != TypeObject) |
176 return nullptr; | 176 return nullptr; |
177 return static_cast<JSONObject*>(value); | 177 return static_cast<JSONObject*>(value); |
178 } | 178 } |
179 | 179 |
180 static std::unique_ptr<JSONObject> from(std::unique_ptr<JSONValue> value) { | 180 static std::unique_ptr<JSONObject> from(std::unique_ptr<JSONValue> value) { |
181 auto maybeObject = wrapUnique(JSONObject::cast(value.get())); | 181 auto maybeObject = WTF::wrapUnique(JSONObject::cast(value.get())); |
182 if (maybeObject) | 182 if (maybeObject) |
183 value.release(); | 183 value.release(); |
184 return maybeObject; | 184 return maybeObject; |
185 } | 185 } |
186 | 186 |
187 static void cast(JSONObject*) = delete; | 187 static void cast(JSONObject*) = delete; |
188 static void cast(std::unique_ptr<JSONObject>) = delete; | 188 static void cast(std::unique_ptr<JSONObject>) = delete; |
189 | 189 |
190 void writeJSON(StringBuilder* output) const override; | 190 void writeJSON(StringBuilder* output) const override; |
191 std::unique_ptr<JSONValue> clone() const override; | 191 std::unique_ptr<JSONValue> clone() const override; |
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230 } | 230 } |
231 | 231 |
232 using Dictionary = HashMap<String, std::unique_ptr<JSONValue>>; | 232 using Dictionary = HashMap<String, std::unique_ptr<JSONValue>>; |
233 Dictionary m_data; | 233 Dictionary m_data; |
234 Vector<String> m_order; | 234 Vector<String> m_order; |
235 }; | 235 }; |
236 | 236 |
237 class PLATFORM_EXPORT JSONArray : public JSONValue { | 237 class PLATFORM_EXPORT JSONArray : public JSONValue { |
238 public: | 238 public: |
239 static std::unique_ptr<JSONArray> create() { | 239 static std::unique_ptr<JSONArray> create() { |
240 return wrapUnique(new JSONArray()); | 240 return WTF::wrapUnique(new JSONArray()); |
241 } | 241 } |
242 | 242 |
243 static JSONArray* cast(JSONValue* value) { | 243 static JSONArray* cast(JSONValue* value) { |
244 if (!value || value->getType() != TypeArray) | 244 if (!value || value->getType() != TypeArray) |
245 return nullptr; | 245 return nullptr; |
246 return static_cast<JSONArray*>(value); | 246 return static_cast<JSONArray*>(value); |
247 } | 247 } |
248 | 248 |
249 static std::unique_ptr<JSONArray> from(std::unique_ptr<JSONValue> value) { | 249 static std::unique_ptr<JSONArray> from(std::unique_ptr<JSONValue> value) { |
250 auto maybeArray = wrapUnique(JSONArray::cast(value.get())); | 250 auto maybeArray = WTF::wrapUnique(JSONArray::cast(value.get())); |
251 if (maybeArray) | 251 if (maybeArray) |
252 value.release(); | 252 value.release(); |
253 return maybeArray; | 253 return maybeArray; |
254 } | 254 } |
255 | 255 |
256 static void cast(JSONArray*) = delete; | 256 static void cast(JSONArray*) = delete; |
257 static void cast(std::unique_ptr<JSONArray>) = delete; | 257 static void cast(std::unique_ptr<JSONArray>) = delete; |
258 | 258 |
259 ~JSONArray() override; | 259 ~JSONArray() override; |
260 | 260 |
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279 JSONArray(); | 279 JSONArray(); |
280 Vector<std::unique_ptr<JSONValue>> m_data; | 280 Vector<std::unique_ptr<JSONValue>> m_data; |
281 }; | 281 }; |
282 | 282 |
283 PLATFORM_EXPORT void escapeStringForJSON(const String&, StringBuilder*); | 283 PLATFORM_EXPORT void escapeStringForJSON(const String&, StringBuilder*); |
284 void doubleQuoteStringForJSON(const String&, StringBuilder*); | 284 void doubleQuoteStringForJSON(const String&, StringBuilder*); |
285 | 285 |
286 } // namespace blink | 286 } // namespace blink |
287 | 287 |
288 #endif // JSONValues_h | 288 #endif // JSONValues_h |
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