OLD | NEW |
| (Empty) |
1 /* | |
2 * Copyright (C) 2008, 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 ScriptValue_h | |
32 #define ScriptValue_h | |
33 | |
34 #include "bindings/v8/ScriptState.h" | |
35 #include "bindings/v8/SharedPersistent.h" | |
36 #include "wtf/PassRefPtr.h" | |
37 #include "wtf/RefPtr.h" | |
38 #include "wtf/text/WTFString.h" | |
39 #include <v8.h> | |
40 | |
41 namespace WebCore { | |
42 | |
43 class JSONValue; | |
44 | |
45 class ScriptValue { | |
46 public: | |
47 ScriptValue() | |
48 : m_isolate(0) | |
49 , m_scriptState(nullptr) | |
50 { | |
51 } | |
52 | |
53 virtual ~ScriptValue(); | |
54 | |
55 ScriptValue(ScriptState* scriptState, v8::Handle<v8::Value> value) | |
56 : m_isolate(scriptState->isolate()) | |
57 , m_scriptState(scriptState) | |
58 , m_value(value.IsEmpty() ? nullptr : SharedPersistent<v8::Value>::creat
e(value, scriptState->isolate())) | |
59 { | |
60 ASSERT(isEmpty() || m_scriptState); | |
61 } | |
62 | |
63 ScriptValue(const ScriptValue& value) | |
64 : m_isolate(value.m_isolate) | |
65 , m_scriptState(value.m_scriptState) | |
66 , m_value(value.m_value) | |
67 { | |
68 ASSERT(isEmpty() || m_scriptState); | |
69 } | |
70 | |
71 ScriptState* scriptState() const | |
72 { | |
73 return m_scriptState.get(); | |
74 } | |
75 | |
76 v8::Isolate* isolate() const | |
77 { | |
78 if (!m_isolate) | |
79 m_isolate = v8::Isolate::GetCurrent(); | |
80 return m_isolate; | |
81 } | |
82 | |
83 ScriptValue& operator=(const ScriptValue& value) | |
84 { | |
85 if (this != &value) { | |
86 m_isolate = value.m_isolate; | |
87 m_scriptState = value.m_scriptState; | |
88 m_value = value.m_value; | |
89 } | |
90 return *this; | |
91 } | |
92 | |
93 bool operator==(const ScriptValue& value) const | |
94 { | |
95 if (isEmpty()) | |
96 return value.isEmpty(); | |
97 if (value.isEmpty()) | |
98 return false; | |
99 return *m_value == *value.m_value; | |
100 } | |
101 | |
102 bool operator!=(const ScriptValue& value) const | |
103 { | |
104 return !operator==(value); | |
105 } | |
106 | |
107 // This creates a new local Handle; Don't use this in performance-sensitive
places. | |
108 bool isFunction() const | |
109 { | |
110 ASSERT(!isEmpty()); | |
111 v8::Handle<v8::Value> value = v8Value(); | |
112 return !value.IsEmpty() && value->IsFunction(); | |
113 } | |
114 | |
115 // This creates a new local Handle; Don't use this in performance-sensitive
places. | |
116 bool isNull() const | |
117 { | |
118 ASSERT(!isEmpty()); | |
119 v8::Handle<v8::Value> value = v8Value(); | |
120 return !value.IsEmpty() && value->IsNull(); | |
121 } | |
122 | |
123 // This creates a new local Handle; Don't use this in performance-sensitive
places. | |
124 bool isUndefined() const | |
125 { | |
126 ASSERT(!isEmpty()); | |
127 v8::Handle<v8::Value> value = v8Value(); | |
128 return !value.IsEmpty() && value->IsUndefined(); | |
129 } | |
130 | |
131 // This creates a new local Handle; Don't use this in performance-sensitive
places. | |
132 bool isObject() const | |
133 { | |
134 ASSERT(!isEmpty()); | |
135 v8::Handle<v8::Value> value = v8Value(); | |
136 return !value.IsEmpty() && value->IsObject(); | |
137 } | |
138 | |
139 bool isEmpty() const | |
140 { | |
141 return !m_value.get() || m_value->isEmpty(); | |
142 } | |
143 | |
144 void clear() | |
145 { | |
146 m_value = nullptr; | |
147 } | |
148 | |
149 v8::Handle<v8::Value> v8Value() const; | |
150 | |
151 bool toString(String&) const; | |
152 PassRefPtr<JSONValue> toJSONValue(ScriptState*) const; | |
153 | |
154 private: | |
155 mutable v8::Isolate* m_isolate; | |
156 mutable RefPtr<ScriptState> m_scriptState; | |
157 RefPtr<SharedPersistent<v8::Value> > m_value; | |
158 }; | |
159 | |
160 } // namespace WebCore | |
161 | |
162 #endif // ScriptValue_h | |
OLD | NEW |