1 /*
2 * Copyright (C) 2009 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #ifndef InspectorValues_h
32 #define InspectorValues_h
33
34 #if ENABLE(INSPECTOR)
35
36 #include "PlatformString.h"
37
38 #include <wtf/Forward.h>
39 #include <wtf/HashMap.h>
40 #include <wtf/RefCounted.h>
41 #include <wtf/Vector.h>
42 #include <wtf/text/StringHash.h>
43
44 namespace WebCore {
45
46 class InspectorArray;
47 class InspectorObject;
48
49 class InspectorValue : public RefCounted<InspectorValue> {
50 public:
InspectorValue()51 InspectorValue() : m_type(TypeNull) { }
~InspectorValue()52 virtual ~InspectorValue() { }
53
null()54 static PassRefPtr<InspectorValue> null()
55 {
56 return adoptRef(new InspectorValue());
57 }
58
59 typedef enum {
60 TypeNull = 0,
61 TypeBoolean,
62 TypeNumber,
63 TypeString,
64 TypeObject,
65 TypeArray
66 } Type;
67
type()68 Type type() const { return m_type; }
69
isNull()70 bool isNull() const { return m_type == TypeNull; }
71
72 virtual bool asBoolean(bool* output) const;
73 virtual bool asNumber(double* output) const;
74 virtual bool asNumber(long* output) const;
75 virtual bool asNumber(int* output) const;
76 virtual bool asNumber(unsigned long* output) const;
77 virtual bool asNumber(unsigned int* output) const;
78 virtual bool asString(String* output) const;
79 virtual bool asValue(RefPtr<InspectorValue>* output);
80 virtual bool asObject(RefPtr<InspectorObject>* output);
81 virtual bool asArray(RefPtr<InspectorArray>* output);
82 virtual PassRefPtr<InspectorObject> asObject();
83 virtual PassRefPtr<InspectorArray> asArray();
84
85 static PassRefPtr<InspectorValue> parseJSON(const String& json);
86
87 String toJSONString() const;
88 virtual void writeJSON(Vector<UChar>* output) const;
89
90 protected:
InspectorValue(Type type)91 explicit InspectorValue(Type type) : m_type(type) { }
92
93 private:
94 Type m_type;
95 };
96
97 class InspectorBasicValue : public InspectorValue {
98 public:
99
create(bool value)100 static PassRefPtr<InspectorBasicValue> create(bool value)
101 {
102 return adoptRef(new InspectorBasicValue(value));
103 }
104
create(int value)105 static PassRefPtr<InspectorBasicValue> create(int value)
106 {
107 return adoptRef(new InspectorBasicValue(value));
108 }
109
create(double value)110 static PassRefPtr<InspectorBasicValue> create(double value)
111 {
112 return adoptRef(new InspectorBasicValue(value));
113 }
114
115 virtual bool asBoolean(bool* output) const;
116 virtual bool asNumber(double* output) const;
117 virtual bool asNumber(long* output) const;
118 virtual bool asNumber(int* output) const;
119 virtual bool asNumber(unsigned long* output) const;
120 virtual bool asNumber(unsigned int* output) const;
121
122 virtual void writeJSON(Vector<UChar>* output) const;
123
124 private:
InspectorBasicValue(bool value)125 explicit InspectorBasicValue(bool value) : InspectorValue(TypeBoolean), m_boolValue(value) { }
InspectorBasicValue(int value)126 explicit InspectorBasicValue(int value) : InspectorValue(TypeNumber), m_doubleValue((double)value) { }
InspectorBasicValue(double value)127 explicit InspectorBasicValue(double value) : InspectorValue(TypeNumber), m_doubleValue(value) { }
128
129 union {
130 bool m_boolValue;
131 double m_doubleValue;
132 };
133 };
134
135 class InspectorString : public InspectorValue {
136 public:
create(const String & value)137 static PassRefPtr<InspectorString> create(const String& value)
138 {
139 return adoptRef(new InspectorString(value));
140 }
141
create(const char * value)142 static PassRefPtr<InspectorString> create(const char* value)
143 {
144 return adoptRef(new InspectorString(value));
145 }
146
147 virtual bool asString(String* output) const;
148
149 virtual void writeJSON(Vector<UChar>* output) const;
150
151 private:
InspectorString(const String & value)152 explicit InspectorString(const String& value) : InspectorValue(TypeString), m_stringValue(value) { }
InspectorString(const char * value)153 explicit InspectorString(const char* value) : InspectorValue(TypeString), m_stringValue(value) { }
154
155 String m_stringValue;
156 };
157
158 class InspectorObject : public InspectorValue {
159 private:
160 typedef HashMap<String, RefPtr<InspectorValue> > Dictionary;
161
162 public:
163 typedef Dictionary::iterator iterator;
164 typedef Dictionary::const_iterator const_iterator;
165
166 public:
create()167 static PassRefPtr<InspectorObject> create()
168 {
169 return adoptRef(new InspectorObject());
170 }
171 ~InspectorObject();
172
173 virtual bool asObject(RefPtr<InspectorObject>* output);
174 virtual PassRefPtr<InspectorObject> asObject();
175
176 void setBoolean(const String& name, bool);
177 void setNumber(const String& name, double);
178 void setString(const String& name, const String&);
179 void setValue(const String& name, PassRefPtr<InspectorValue>);
180 void setObject(const String& name, PassRefPtr<InspectorObject>);
181 void setArray(const String& name, PassRefPtr<InspectorArray>);
182
183 iterator find(const String& name);
184 const_iterator find(const String& name) const;
185 bool getBoolean(const String& name, bool* output) const;
getNumber(const String & name,T * output)186 template<class T> bool getNumber(const String& name, T* output) const
187 {
188 RefPtr<InspectorValue> value = get(name);
189 if (!value)
190 return false;
191 return value->asNumber(output);
192 }
193 bool getString(const String& name, String* output) const;
194 PassRefPtr<InspectorObject> getObject(const String& name) const;
195 PassRefPtr<InspectorArray> getArray(const String& name) const;
196 PassRefPtr<InspectorValue> get(const String& name) const;
197
198 void remove(const String& name);
199
200 virtual void writeJSON(Vector<UChar>* output) const;
201
begin()202 iterator begin() { return m_data.begin(); }
end()203 iterator end() { return m_data.end(); }
begin()204 const_iterator begin() const { return m_data.begin(); }
end()205 const_iterator end() const { return m_data.end(); }
206
207 private:
208 InspectorObject();
209 Dictionary m_data;
210 Vector<String> m_order;
211 };
212
213 class InspectorArray : public InspectorValue {
214 public:
create()215 static PassRefPtr<InspectorArray> create()
216 {
217 return adoptRef(new InspectorArray());
218 }
219 ~InspectorArray();
220
221 virtual bool asArray(RefPtr<InspectorArray>* output);
222 virtual PassRefPtr<InspectorArray> asArray();
223
224 void pushBoolean(bool);
225 void pushNumber(double);
226 void pushString(const String&);
227 void pushValue(PassRefPtr<InspectorValue>);
228 void pushObject(PassRefPtr<InspectorObject>);
229 void pushArray(PassRefPtr<InspectorArray>);
length()230 unsigned length() const { return m_data.size(); }
231
232 PassRefPtr<InspectorValue> get(size_t index);
233
234 virtual void writeJSON(Vector<UChar>* output) const;
235
236 private:
237 InspectorArray();
238 Vector<RefPtr<InspectorValue> > m_data;
239 };
240
find(const String & name)241 inline InspectorObject::iterator InspectorObject::find(const String& name)
242 {
243 return m_data.find(name);
244 }
245
find(const String & name)246 inline InspectorObject::const_iterator InspectorObject::find(const String& name) const
247 {
248 return m_data.find(name);
249 }
250
setBoolean(const String & name,bool value)251 inline void InspectorObject::setBoolean(const String& name, bool value)
252 {
253 setValue(name, InspectorBasicValue::create(value));
254 }
255
setNumber(const String & name,double value)256 inline void InspectorObject::setNumber(const String& name, double value)
257 {
258 setValue(name, InspectorBasicValue::create(value));
259 }
260
setString(const String & name,const String & value)261 inline void InspectorObject::setString(const String& name, const String& value)
262 {
263 setValue(name, InspectorString::create(value));
264 }
265
setValue(const String & name,PassRefPtr<InspectorValue> value)266 inline void InspectorObject::setValue(const String& name, PassRefPtr<InspectorValue> value)
267 {
268 if (m_data.set(name, value).second)
269 m_order.append(name);
270 }
271
setObject(const String & name,PassRefPtr<InspectorObject> value)272 inline void InspectorObject::setObject(const String& name, PassRefPtr<InspectorObject> value)
273 {
274 if (m_data.set(name, value).second)
275 m_order.append(name);
276 }
277
setArray(const String & name,PassRefPtr<InspectorArray> value)278 inline void InspectorObject::setArray(const String& name, PassRefPtr<InspectorArray> value)
279 {
280 if (m_data.set(name, value).second)
281 m_order.append(name);
282 }
283
pushBoolean(bool value)284 inline void InspectorArray::pushBoolean(bool value)
285 {
286 m_data.append(InspectorBasicValue::create(value));
287 }
288
pushNumber(double value)289 inline void InspectorArray::pushNumber(double value)
290 {
291 m_data.append(InspectorBasicValue::create(value));
292 }
293
pushString(const String & value)294 inline void InspectorArray::pushString(const String& value)
295 {
296 m_data.append(InspectorString::create(value));
297 }
298
pushValue(PassRefPtr<InspectorValue> value)299 inline void InspectorArray::pushValue(PassRefPtr<InspectorValue> value)
300 {
301 m_data.append(value);
302 }
303
pushObject(PassRefPtr<InspectorObject> value)304 inline void InspectorArray::pushObject(PassRefPtr<InspectorObject> value)
305 {
306 m_data.append(value);
307 }
308
pushArray(PassRefPtr<InspectorArray> value)309 inline void InspectorArray::pushArray(PassRefPtr<InspectorArray> value)
310 {
311 m_data.append(value);
312 }
313
314 } // namespace WebCore
315
316 #endif // ENABLE(INSPECTOR)
317 #endif // !defined(InspectorValues_h)
318