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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef {{"_".join(config.protocol.namespace)}}_Values_h | |
| 6 #define {{"_".join(config.protocol.namespace)}}_Values_h | |
| 7 | |
| 8 //#include "Allocator.h" | |
| 9 //#include "Collections.h" | |
| 10 //#include "Forward.h" | |
| 11 | |
| 12 {% for namespace in config.protocol.namespace %} | |
| 13 namespace {{namespace}} { | |
| 14 {% endfor %} | |
| 15 | |
| 16 class ListValue; | |
| 17 class DictionaryValue; | |
| 18 class Value; | |
| 19 | |
| 20 class {{config.class_export.macro}} Value { | |
| 21 PROTOCOL_DISALLOW_COPY(Value); | |
| 22 public: | |
| 23 virtual ~Value() { } | |
| 24 | |
| 25 static std::unique_ptr<Value> null() | |
| 26 { | |
| 27 return wrapUnique(new Value()); | |
| 28 } | |
| 29 | |
| 30 enum ValueType { | |
| 31 TypeNull = 0, | |
| 32 TypeBoolean, | |
| 33 TypeInteger, | |
| 34 TypeDouble, | |
| 35 TypeString, | |
| 36 TypeObject, | |
| 37 TypeArray, | |
| 38 TypeSerialized | |
| 39 }; | |
| 40 | |
| 41 ValueType type() const { return m_type; } | |
| 42 | |
| 43 bool isNull() const { return m_type == TypeNull; } | |
| 44 | |
| 45 virtual bool asBoolean(bool* output) const; | |
| 46 virtual bool asDouble(double* output) const; | |
| 47 virtual bool asInteger(int* output) const; | |
| 48 virtual bool asString(String* output) const; | |
| 49 virtual bool asSerialized(String* output) const; | |
| 50 | |
| 51 String toJSONString() const; | |
| 52 virtual void writeJSON(StringBuilder* output) const; | |
| 53 virtual std::unique_ptr<Value> clone() const; | |
| 54 | |
| 55 protected: | |
| 56 Value() : m_type(TypeNull) { } | |
| 57 explicit Value(ValueType type) : m_type(type) { } | |
| 58 | |
| 59 private: | |
| 60 friend class DictionaryValue; | |
| 61 friend class ListValue; | |
| 62 | |
| 63 ValueType m_type; | |
| 64 }; | |
| 65 | |
| 66 class {{config.class_export.macro}} FundamentalValue : public Value { | |
| 67 public: | |
| 68 static std::unique_ptr<FundamentalValue> create(bool value) | |
| 69 { | |
| 70 return wrapUnique(new FundamentalValue(value)); | |
| 71 } | |
| 72 | |
| 73 static std::unique_ptr<FundamentalValue> create(int value) | |
| 74 { | |
| 75 return wrapUnique(new FundamentalValue(value)); | |
| 76 } | |
| 77 | |
| 78 static std::unique_ptr<FundamentalValue> create(double value) | |
| 79 { | |
| 80 return wrapUnique(new FundamentalValue(value)); | |
| 81 } | |
| 82 | |
| 83 bool asBoolean(bool* output) const override; | |
| 84 bool asDouble(double* output) const override; | |
| 85 bool asInteger(int* output) const override; | |
| 86 void writeJSON(StringBuilder* output) const override; | |
| 87 std::unique_ptr<Value> clone() const override; | |
| 88 | |
| 89 private: | |
| 90 explicit FundamentalValue(bool value) : Value(TypeBoolean), m_boolValue(valu
e) { } | |
| 91 explicit FundamentalValue(int value) : Value(TypeInteger), m_integerValue(va
lue) { } | |
| 92 explicit FundamentalValue(double value) : Value(TypeDouble), m_doubleValue(v
alue) { } | |
| 93 | |
| 94 union { | |
| 95 bool m_boolValue; | |
| 96 double m_doubleValue; | |
| 97 int m_integerValue; | |
| 98 }; | |
| 99 }; | |
| 100 | |
| 101 class {{config.class_export.macro}} StringValue : public Value { | |
| 102 public: | |
| 103 static std::unique_ptr<StringValue> create(const String& value) | |
| 104 { | |
| 105 return wrapUnique(new StringValue(value)); | |
| 106 } | |
| 107 | |
| 108 static std::unique_ptr<StringValue> create(const char* value) | |
| 109 { | |
| 110 return wrapUnique(new StringValue(value)); | |
| 111 } | |
| 112 | |
| 113 bool asString(String* output) const override; | |
| 114 void writeJSON(StringBuilder* output) const override; | |
| 115 std::unique_ptr<Value> clone() const override; | |
| 116 | |
| 117 private: | |
| 118 explicit StringValue(const String& value) : Value(TypeString), m_stringValue
(value) { } | |
| 119 explicit StringValue(const char* value) : Value(TypeString), m_stringValue(v
alue) { } | |
| 120 | |
| 121 String m_stringValue; | |
| 122 }; | |
| 123 | |
| 124 class {{config.class_export.macro}} SerializedValue : public Value { | |
| 125 public: | |
| 126 static std::unique_ptr<SerializedValue> create(const String& value) | |
| 127 { | |
| 128 return wrapUnique(new SerializedValue(value)); | |
| 129 } | |
| 130 | |
| 131 bool asSerialized(String* output) const override; | |
| 132 void writeJSON(StringBuilder* output) const override; | |
| 133 std::unique_ptr<Value> clone() const override; | |
| 134 | |
| 135 private: | |
| 136 explicit SerializedValue(const String& value) : Value(TypeSerialized), m_ser
ializedValue(value) { } | |
| 137 | |
| 138 String m_serializedValue; | |
| 139 }; | |
| 140 | |
| 141 class {{config.class_export.macro}} DictionaryValue : public Value { | |
| 142 public: | |
| 143 using Entry = std::pair<String, Value*>; | |
| 144 static std::unique_ptr<DictionaryValue> create() | |
| 145 { | |
| 146 return wrapUnique(new DictionaryValue()); | |
| 147 } | |
| 148 | |
| 149 static DictionaryValue* cast(Value* value) | |
| 150 { | |
| 151 if (!value || value->type() != TypeObject) | |
| 152 return nullptr; | |
| 153 return static_cast<DictionaryValue*>(value); | |
| 154 } | |
| 155 | |
| 156 static std::unique_ptr<DictionaryValue> cast(std::unique_ptr<Value> value) | |
| 157 { | |
| 158 return wrapUnique(DictionaryValue::cast(value.release())); | |
| 159 } | |
| 160 | |
| 161 void writeJSON(StringBuilder* output) const override; | |
| 162 std::unique_ptr<Value> clone() const override; | |
| 163 | |
| 164 size_t size() const { return m_data.size(); } | |
| 165 | |
| 166 void setBoolean(const String& name, bool); | |
| 167 void setInteger(const String& name, int); | |
| 168 void setDouble(const String& name, double); | |
| 169 void setString(const String& name, const String&); | |
| 170 void setValue(const String& name, std::unique_ptr<Value>); | |
| 171 void setObject(const String& name, std::unique_ptr<DictionaryValue>); | |
| 172 void setArray(const String& name, std::unique_ptr<ListValue>); | |
| 173 | |
| 174 bool getBoolean(const String& name, bool* output) const; | |
| 175 bool getInteger(const String& name, int* output) const; | |
| 176 bool getDouble(const String& name, double* output) const; | |
| 177 bool getString(const String& name, String* output) const; | |
| 178 | |
| 179 DictionaryValue* getObject(const String& name) const; | |
| 180 ListValue* getArray(const String& name) const; | |
| 181 Value* get(const String& name) const; | |
| 182 Entry at(size_t index) const; | |
| 183 | |
| 184 bool booleanProperty(const String& name, bool defaultValue) const; | |
| 185 int integerProperty(const String& name, int defaultValue) const; | |
| 186 double doubleProperty(const String& name, double defaultValue) const; | |
| 187 void remove(const String& name); | |
| 188 | |
| 189 ~DictionaryValue() override; | |
| 190 | |
| 191 private: | |
| 192 DictionaryValue(); | |
| 193 template<typename T> | |
| 194 void set(const String& key, std::unique_ptr<T>& value) | |
| 195 { | |
| 196 DCHECK(value); | |
| 197 bool isNew = m_data.find(key) == m_data.end(); | |
| 198 m_data[key] = std::move(value); | |
| 199 if (isNew) | |
| 200 m_order.push_back(key); | |
| 201 } | |
| 202 | |
| 203 using Dictionary = protocol::HashMap<String, std::unique_ptr<Value>>; | |
| 204 Dictionary m_data; | |
| 205 std::vector<String> m_order; | |
| 206 }; | |
| 207 | |
| 208 class {{config.class_export.macro}} ListValue : public Value { | |
| 209 public: | |
| 210 static std::unique_ptr<ListValue> create() | |
| 211 { | |
| 212 return wrapUnique(new ListValue()); | |
| 213 } | |
| 214 | |
| 215 static ListValue* cast(Value* value) | |
| 216 { | |
| 217 if (!value || value->type() != TypeArray) | |
| 218 return nullptr; | |
| 219 return static_cast<ListValue*>(value); | |
| 220 } | |
| 221 | |
| 222 static std::unique_ptr<ListValue> cast(std::unique_ptr<Value> value) | |
| 223 { | |
| 224 return wrapUnique(ListValue::cast(value.release())); | |
| 225 } | |
| 226 | |
| 227 ~ListValue() override; | |
| 228 | |
| 229 void writeJSON(StringBuilder* output) const override; | |
| 230 std::unique_ptr<Value> clone() const override; | |
| 231 | |
| 232 void pushValue(std::unique_ptr<Value>); | |
| 233 | |
| 234 Value* at(size_t index); | |
| 235 size_t size() const { return m_data.size(); } | |
| 236 | |
| 237 private: | |
| 238 ListValue(); | |
| 239 std::vector<std::unique_ptr<Value>> m_data; | |
| 240 }; | |
| 241 | |
| 242 {% for namespace in config.protocol.namespace %} | |
| 243 } // namespace {{namespace}} | |
| 244 {% endfor %} | |
| 245 | |
| 246 #endif // {{"_".join(config.protocol.namespace)}}_Values_h | |
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