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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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28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #ifndef JSONValues_h | 31 #ifndef JSONValues_h |
32 #define JSONValues_h | 32 #define JSONValues_h |
33 | 33 |
34 #include "platform/PlatformExport.h" | 34 #include "platform/PlatformExport.h" |
35 #include "wtf/Forward.h" | 35 #include "wtf/Forward.h" |
36 #include "wtf/HashMap.h" | 36 #include "wtf/HashMap.h" |
37 #include "wtf/RefCounted.h" | 37 #include "wtf/RefCounted.h" |
| 38 #include "wtf/TypeTraits.h" |
38 #include "wtf/Vector.h" | 39 #include "wtf/Vector.h" |
39 #include "wtf/text/StringHash.h" | 40 #include "wtf/text/StringHash.h" |
40 #include "wtf/text/WTFString.h" | 41 #include "wtf/text/WTFString.h" |
41 | 42 |
42 namespace blink { | 43 namespace blink { |
43 | 44 |
| 45 class JSONValue; |
| 46 |
| 47 } // namespace blink |
| 48 |
| 49 namespace WTF { |
| 50 |
| 51 // FIXME: Avoid the need for this global upcasting to JSONValue (for PassRefPtr<
T>.) |
| 52 // The current CodeGeneratorInspector.py generates code which order sorts its in
put |
| 53 // types and generates forward declarations where needed. But with inline uses |
| 54 // of setValue(PassRefPtr<JSONValue>) this is not quite sufficient for the |
| 55 // implicit conversion of PassRefPtr<T> to PassRefPtr<JSONValue> for a T that |
| 56 // has only been forward declared -- IsPointerConvertible<> doesn't have |
| 57 // complete types to work with. |
| 58 // |
| 59 // Work around that problem here by hackily declaring this global & unsafe |
| 60 // specialization. |
| 61 // |
| 62 // (InspectorTypeBuilder.h is the only piece of code that relies on this special
ization.) |
| 63 template<typename From> class IsPointerConvertible<From, blink::JSONValue> { |
| 64 public: |
| 65 enum { |
| 66 Value = true |
| 67 }; |
| 68 }; |
| 69 |
| 70 } // namespace WTF |
| 71 |
| 72 namespace blink { |
| 73 |
44 class JSONArray; | 74 class JSONArray; |
45 class JSONObject; | 75 class JSONObject; |
46 | 76 |
47 class PLATFORM_EXPORT JSONValue : public RefCounted<JSONValue> { | 77 class PLATFORM_EXPORT JSONValue : public RefCounted<JSONValue> { |
48 public: | 78 public: |
49 static const int maxDepth = 1000; | 79 static const int maxDepth = 1000; |
50 | 80 |
51 JSONValue() : m_type(TypeNull) { } | 81 JSONValue() : m_type(TypeNull) { } |
52 virtual ~JSONValue() { } | 82 virtual ~JSONValue() { } |
53 | 83 |
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309 using JSONArrayBase::pushArray; | 339 using JSONArrayBase::pushArray; |
310 | 340 |
311 using JSONArrayBase::get; | 341 using JSONArrayBase::get; |
312 | 342 |
313 using JSONArrayBase::begin; | 343 using JSONArrayBase::begin; |
314 using JSONArrayBase::end; | 344 using JSONArrayBase::end; |
315 }; | 345 }; |
316 | 346 |
317 } // namespace blink | 347 } // namespace blink |
318 | 348 |
319 #endif // !defined(JSONValues_h) | 349 #endif // JSONValues_h |
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