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1 #ifndef SkScriptCallBack_DEFINED | |
2 #define SkScriptCallBack_DEFINED | |
3 | |
4 #include "SkOperand2.h" | |
5 #include "SkTDArray_Experimental.h" | |
6 | |
7 class SkScriptCallBack { | |
8 public: | |
9 enum Type { | |
10 kBox, | |
11 kFunction, | |
12 kMember, | |
13 kMemberFunction, | |
14 kProperty, | |
15 kUnbox | |
16 }; | |
17 | |
18 virtual bool getReference(const char* , size_t len, SkScriptValue2* resu
lt) { return false; } | |
19 virtual SkOperand2::OpType getReturnType(size_t ref, SkOperand2*) { | |
20 return SkOperand2::kS32; } | |
21 virtual Type getType() const = 0; | |
22 }; | |
23 | |
24 class SkScriptCallBackConvert : public SkScriptCallBack { | |
25 public: | |
26 virtual bool convert(SkOperand2::OpType type, SkOperand2* operand) = 0; | |
27 }; | |
28 | |
29 class SkScriptCallBackFunction : public SkScriptCallBack { | |
30 public: | |
31 virtual void getParamTypes(SkIntArray(SkOperand2::OpType)* types) = 0; | |
32 virtual Type getType() const { return kFunction; } | |
33 virtual bool invoke(size_t ref, SkOpArray* params, SkOperand2* value) =
0; | |
34 }; | |
35 | |
36 class SkScriptCallBackMember: public SkScriptCallBack { | |
37 public: | |
38 bool getMemberReference(const char* , size_t len, void* object, SkScript
Value2* ref); | |
39 virtual Type getType() const { return kMember; } | |
40 virtual bool invoke(size_t ref, void* object, SkOperand2* value) = 0; | |
41 }; | |
42 | |
43 class SkScriptCallBackMemberFunction : public SkScriptCallBack { | |
44 public: | |
45 bool getMemberReference(const char* , size_t len, void* object, SkScript
Value2* ref); | |
46 virtual void getParamTypes(SkIntArray(SkOperand2::OpType)* types) = 0; | |
47 virtual Type getType() const { return kMemberFunction; } | |
48 virtual bool invoke(size_t ref, void* object, SkOpArray* params, SkOpera
nd2* value) = 0; | |
49 }; | |
50 | |
51 class SkScriptCallBackProperty : public SkScriptCallBack { | |
52 public: | |
53 virtual bool getConstValue(const char* name, size_t len, SkOperand2* val
ue) { return false; } | |
54 virtual bool getResult(size_t ref, SkOperand2* answer) { return false; } | |
55 virtual Type getType() const { return kProperty; } | |
56 }; | |
57 | |
58 #endif // SkScriptCallBack_DEFINED | |
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