You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
2.3 KiB
83 lines
2.3 KiB
// MethodHelp.h -- Helpers for class methods
|
|
|
|
// (c) Copyright Schlumberger Technology Corp., unpublished work, created
|
|
// 1999. This computer program includes Confidential, Proprietary
|
|
// Information and is a Trade Secret of Schlumberger Technology Corp. All
|
|
// use, disclosure, and/or reproduction is prohibited unless authorized
|
|
// in writing. All Rights Reserved.
|
|
|
|
#if !defined(SLBCCI_METHODHELP_H)
|
|
#define SLBCCI_METHODHELP_H
|
|
|
|
// Note: This file should only be included by the CCI, not directly
|
|
// by the client.
|
|
|
|
namespace cci
|
|
{
|
|
// Similar to std:unary_function, AccessorMethod and ModifierMethod
|
|
// help build templates dealing with method accessors and modifiers.
|
|
template<class T, class C>
|
|
struct AccessorMethod
|
|
{
|
|
typedef void ArgumentType;
|
|
typedef T ResultType;
|
|
typedef ResultType (C::*AccessorPtr)(ArgumentType) const;
|
|
};
|
|
|
|
template<class T, class C>
|
|
struct ModifierMethod
|
|
{
|
|
typedef T const &ArgumentType;
|
|
typedef void ResultType;
|
|
typedef ResultType (C::*ModifierPtr)(ArgumentType);
|
|
};
|
|
|
|
// MemberAccessType and MemberModifierType are conceptually
|
|
// equivalent to the C++ member function functors series
|
|
// (e.g. std::mem_ref_fun_t) except they deal with invoking the
|
|
// requested routine without a return (MemberModifierType).
|
|
// MemberAccessType is like std::mem_ref_fun_t but included here
|
|
// to contract MemberModifierType.
|
|
template<class T, class C>
|
|
class MemberAccessorType
|
|
: public AccessorMethod<T, C>
|
|
{
|
|
public:
|
|
explicit
|
|
MemberAccessorType(AccessorPtr ap)
|
|
: m_ap(ap)
|
|
{}
|
|
|
|
ResultType
|
|
operator()(C &rObject) const
|
|
{
|
|
return (rObject.*m_ap)();
|
|
}
|
|
|
|
private:
|
|
AccessorMethod<T, C>::AccessorPtr m_ap;
|
|
};
|
|
|
|
template<class T, class C>
|
|
class MemberModifierType
|
|
: public ModifierMethod<T, C>
|
|
{
|
|
public:
|
|
explicit
|
|
MemberModifierType(ModifierPtr mp)
|
|
: m_mp(mp)
|
|
{};
|
|
|
|
ResultType
|
|
operator()(C &rObject, ArgumentType Arg) const
|
|
{
|
|
(rObject.*m_mp)(Arg);
|
|
}
|
|
|
|
private:
|
|
ModifierMethod<T, C>::ModifierPtr m_mp;
|
|
};
|
|
|
|
} // namespace cci
|
|
|
|
#endif // SLBCCI_METHODHELP_H
|