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author | Johannes Schickel | 2008-04-20 15:47:11 +0000 |
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committer | Johannes Schickel | 2008-04-20 15:47:11 +0000 |
commit | f173041811398817ffce870d30ef3b87d1302736 (patch) | |
tree | 78e43d204662641a5d687cbc184ac60913ac870d /common/func.h | |
parent | 38319954d1035a7ec8df335c88d455a4042a94fc (diff) | |
download | scummvm-rg350-f173041811398817ffce870d30ef3b87d1302736.tar.gz scummvm-rg350-f173041811398817ffce870d30ef3b87d1302736.tar.bz2 scummvm-rg350-f173041811398817ffce870d30ef3b87d1302736.zip |
- moved kyra functor code to common/func.h
- adapted debugger code to use functor code from common/func.h
- adapted kyra engine to use functor code from common/func.h
svn-id: r31614
Diffstat (limited to 'common/func.h')
-rw-r--r-- | common/func.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/common/func.h b/common/func.h index cff4e2d304..c2e1d0763e 100644 --- a/common/func.h +++ b/common/func.h @@ -247,6 +247,80 @@ FrontInsertIterator<Cont> front_inserter(Cont &c) { return FrontInsertIterator<Cont>(c); } +// functor code + +template<class Res> +struct Functor0 { + virtual ~Functor0() {} + + virtual bool isValid() const = 0; + virtual Res operator()() const = 0; +}; + +template<class Res, class T> +class Functor0Mem : public Functor0<Res> { +public: + typedef Res (T::*FuncType)(); + + Functor0Mem(T *t, const FuncType &func) : _t(t), _func(func) {} + + bool isValid() const { return _func != 0; } + Res operator()() const { + return (_t->*_func)(); + } +private: + mutable T *_t; + const FuncType _func; +}; + +template<class Arg, class Res> +struct Functor1 : public Common::UnaryFunction<Arg, Res> { + virtual ~Functor1() {} + + virtual bool isValid() const = 0; + virtual Res operator()(Arg) const = 0; +}; + +template<class Arg, class Res, class T> +class Functor1Mem : public Functor1<Arg, Res> { +public: + typedef Res (T::*FuncType)(Arg); + + Functor1Mem(T *t, const FuncType &func) : _t(t), _func(func) {} + + bool isValid() const { return _func != 0; } + Res operator()(Arg v1) const { + return (_t->*_func)(v1); + } +private: + mutable T *_t; + const FuncType _func; +}; + +template<class Arg1, class Arg2, class Res> +struct Functor2 : public Common::BinaryFunction<Arg1, Arg2, Res> { + virtual ~Functor2() {} + + virtual bool isValid() const = 0; + virtual Res operator()(Arg1, Arg2) const = 0; +}; + +template<class Arg1, class Arg2, class Res, class T> +class Functor2Mem : public Functor2<Arg1, Arg2, Res> { +public: + typedef Res (T::*FuncType)(Arg1, Arg2); + + Functor2Mem(T *t, const FuncType &func) : _t(t), _func(func) {} + + bool isValid() const { return _func != 0; } + Res operator()(Arg1 v1, Arg2 v2) const { + return (_t->*_func)(v1, v2); + } +private: + mutable T *_t; + const FuncType _func; +}; + /** * Base template for hash functor objects, used by HashMap. * This needs to be specialized for every type that you need to hash. |