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    41 

    42 #ifndef QTCONCURRENT_FUNCTIONWRAPPERS_H

    43 #define QTCONCURRENT_FUNCTIONWRAPPERS_H

    44 

    45 #include <QtCore/qglobal.h>

    46 

    47 #ifndef QT_NO_CONCURRENT

    48 

    49 QT_BEGIN_HEADER

    50 QT_BEGIN_NAMESPACE

    51 

    52 QT_MODULE(Core)

    53 

    54 #ifndef qdoc

    55 

    56 namespace QtConcurrent {

    57 

    58 template <typename T>

    59 class FunctionWrapper0

    60 {

    61 public:

    62     typedef T (*FunctionPointerType)();

    63     typedef T result_type;

    64     inline FunctionWrapper0(FunctionPointerType _functionPointer)

    65     :functionPointer(_functionPointer) { }

    66 

    67     inline T operator()()

    68     {

    69         return functionPointer();

    70     }

    71 private:

    72     FunctionPointerType functionPointer;

    73 };

    74 

    75 template <typename T, typename U>

    76 class FunctionWrapper1

    77 {

    78 public:

    79     typedef T (*FunctionPointerType)(U u);

    80     typedef T result_type;

    81     inline FunctionWrapper1(FunctionPointerType _functionPointer)

    82     :functionPointer(_functionPointer) { }

    83 

    84     inline T operator()(U u)

    85     {

    86         return functionPointer(u);

    87     }

    88 

    89 private:

    90     FunctionPointerType functionPointer;

    91 };

    92 

    93 template <typename T, typename U, typename V>

    94 class FunctionWrapper2

    95 {

    96 public:

    97     typedef T (*FunctionPointerType)(U u, V v);

    98     typedef T result_type;

    99     inline FunctionWrapper2(FunctionPointerType _functionPointer)

   100     :functionPointer(_functionPointer) { }

   101 

   102     inline T operator()(U u, V v)

   103     {

   104         return functionPointer(u, v);

   105     }

   106 private:

   107     FunctionPointerType functionPointer;

   108 };

   109 

   110 template <typename T, typename C>

   111 class MemberFunctionWrapper

   112 {

   113 public:

   114     typedef T (C::*FunctionPointerType)();

   115     typedef T result_type;

   116     inline MemberFunctionWrapper(FunctionPointerType _functionPointer)

   117     :functionPointer(_functionPointer) { }

   118 

   119     inline T operator()(C &c)

   120     {

   121         return (c.*functionPointer)();

   122     }

   123 private:

   124     FunctionPointerType functionPointer;

   125 };

   126 

   127 template <typename T, typename C, typename U>

   128 class MemberFunctionWrapper1

   129 {

   130 public:

   131     typedef T (C::*FunctionPointerType)(U);

   132     typedef T result_type;

   133 

   134     inline MemberFunctionWrapper1(FunctionPointerType _functionPointer)

   135         : functionPointer(_functionPointer)

   136     { }

   137 

   138     inline T operator()(C &c, U u)

   139     {

   140         return (c.*functionPointer)(u);

   141     }

   142 

   143 private:

   144     FunctionPointerType functionPointer;

   145 };

   146 

   147 template <typename T, typename C>

   148 class ConstMemberFunctionWrapper

   149 {

   150 public:

   151     typedef T (C::*FunctionPointerType)() const;

   152     typedef T result_type;

   153     inline ConstMemberFunctionWrapper(FunctionPointerType _functionPointer)

   154     :functionPointer(_functionPointer) { }

   155 

   156     inline T operator()(const C &c) const

   157     {

   158         return (c.*functionPointer)();

   159     }

   160 private:

   161     FunctionPointerType functionPointer;

   162 };

   163 

   164 } // namespace QtConcurrent.

   165 

   166 #endif //qdoc

   167 

   168 QT_END_NAMESPACE

   169 QT_END_HEADER

   170 

   171 #endif // QT_NO_CONCURRENT

   172 

   173 #endif