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FastDelegateBind.h
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FastDelegateBind.h
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// FastDelegateBind.h
// Helper file for FastDelegates. Provides bind() function, enabling
// FastDelegates to be rapidly compared to programs using boost::function and boost::bind.
//
// Documentation is found at http://www.codeproject.com/cpp/FastDelegate.asp
//
// Original author: Jody Hagins.
// Minor changes by Don Clugston.
//
// Warning: The arguments to 'bind' are ignored! No actual binding is performed.
// The behaviour is equivalent to boost::bind only when the basic placeholder
// arguments _1, _2, _3, etc are used in order.
//
// HISTORY:
// 1.4 Dec 2004. Initial release as part of FastDelegate 1.4.
#ifndef FASTDELEGATEBIND_H
#define FASTDELEGATEBIND_H
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
////////////////////////////////////////////////////////////////////////////////
// FastDelegate bind()
//
// bind() helper function for boost compatibility.
// (Original author: Jody Hagins).
//
// Add another helper, so FastDelegate can be a dropin replacement
// for boost::bind (in a fair number of cases).
// Note the elipses, because boost::bind() takes place holders
// but FastDelegate does not care about them. Getting the place holder
// mechanism to work, and play well with boost is a bit tricky, so
// we do the "easy" thing...
// Assume we have the following code...
// using boost::bind;
// bind(&Foo:func, &foo, _1, _2);
// we should be able to replace the "using" with...
// using fastdelegate::bind;
// and everything should work fine...
////////////////////////////////////////////////////////////////////////////////
#ifdef FASTDELEGATE_ALLOW_FUNCTION_TYPE_SYNTAX
namespace fastdelegate {
//N=0
template <class X, class Y, class RetType>
FastDelegate< RetType ( ) >
bind(
RetType (X::*func)( ),
Y * y,
...)
{
return FastDelegate< RetType ( ) >(y, func);
}
template <class X, class Y, class RetType>
FastDelegate< RetType ( ) >
bind(
RetType (X::*func)( ) const,
Y * y,
...)
{
return FastDelegate< RetType ( ) >(y, func);
}
//N=1
template <class X, class Y, class RetType, class Param1>
FastDelegate< RetType ( Param1 p1 ) >
bind(
RetType (X::*func)( Param1 p1 ),
Y * y,
...)
{
return FastDelegate< RetType ( Param1 p1 ) >(y, func);
}
template <class X, class Y, class RetType, class Param1>
FastDelegate< RetType ( Param1 p1 ) >
bind(
RetType (X::*func)( Param1 p1 ) const,
Y * y,
...)
{
return FastDelegate< RetType ( Param1 p1 ) >(y, func);
}
//N=2
template <class X, class Y, class RetType, class Param1, class Param2>
FastDelegate< RetType ( Param1 p1, Param2 p2 ) >
bind(
RetType (X::*func)( Param1 p1, Param2 p2 ),
Y * y,
...)
{
return FastDelegate< RetType ( Param1 p1, Param2 p2 ) >(y, func);
}
template <class X, class Y, class RetType, class Param1, class Param2>
FastDelegate< RetType ( Param1 p1, Param2 p2 ) >
bind(
RetType (X::*func)( Param1 p1, Param2 p2 ) const,
Y * y,
...)
{
return FastDelegate< RetType ( Param1 p1, Param2 p2 ) >(y, func);
}
//N=3
template <class X, class Y, class RetType, class Param1, class Param2, class Param3>
FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3 ) >
bind(
RetType (X::*func)( Param1 p1, Param2 p2, Param3 p3 ),
Y * y,
...)
{
return FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3 ) >(y, func);
}
template <class X, class Y, class RetType, class Param1, class Param2, class Param3>
FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3 ) >
bind(
RetType (X::*func)( Param1 p1, Param2 p2, Param3 p3 ) const,
Y * y,
...)
{
return FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3 ) >(y, func);
}
//N=4
template <class X, class Y, class RetType, class Param1, class Param2, class Param3, class Param4>
FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4 ) >
bind(
RetType (X::*func)( Param1 p1, Param2 p2, Param3 p3, Param4 p4 ),
Y * y,
...)
{
return FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4 ) >(y, func);
}
template <class X, class Y, class RetType, class Param1, class Param2, class Param3, class Param4>
FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4 ) >
bind(
RetType (X::*func)( Param1 p1, Param2 p2, Param3 p3, Param4 p4 ) const,
Y * y,
...)
{
return FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4 ) >(y, func);
}
//N=5
template <class X, class Y, class RetType, class Param1, class Param2, class Param3, class Param4, class Param5>
FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5 ) >
bind(
RetType (X::*func)( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5 ),
Y * y,
...)
{
return FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5 ) >(y, func);
}
template <class X, class Y, class RetType, class Param1, class Param2, class Param3, class Param4, class Param5>
FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5 ) >
bind(
RetType (X::*func)( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5 ) const,
Y * y,
...)
{
return FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5 ) >(y, func);
}
//N=6
template <class X, class Y, class RetType, class Param1, class Param2, class Param3, class Param4, class Param5, class Param6>
FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6 ) >
bind(
RetType (X::*func)( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6 ),
Y * y,
...)
{
return FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6 ) >(y, func);
}
template <class X, class Y, class RetType, class Param1, class Param2, class Param3, class Param4, class Param5, class Param6>
FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6 ) >
bind(
RetType (X::*func)( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6 ) const,
Y * y,
...)
{
return FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6 ) >(y, func);
}
//N=7
template <class X, class Y, class RetType, class Param1, class Param2, class Param3, class Param4, class Param5, class Param6, class Param7>
FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6, Param7 p7 ) >
bind(
RetType (X::*func)( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6, Param7 p7 ),
Y * y,
...)
{
return FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6, Param7 p7 ) >(y, func);
}
template <class X, class Y, class RetType, class Param1, class Param2, class Param3, class Param4, class Param5, class Param6, class Param7>
FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6, Param7 p7 ) >
bind(
RetType (X::*func)( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6, Param7 p7 ) const,
Y * y,
...)
{
return FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6, Param7 p7 ) >(y, func);
}
//N=8
template <class X, class Y, class RetType, class Param1, class Param2, class Param3, class Param4, class Param5, class Param6, class Param7, class Param8>
FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6, Param7 p7, Param8 p8 ) >
bind(
RetType (X::*func)( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6, Param7 p7, Param8 p8 ),
Y * y,
...)
{
return FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6, Param7 p7, Param8 p8 ) >(y, func);
}
template <class X, class Y, class RetType, class Param1, class Param2, class Param3, class Param4, class Param5, class Param6, class Param7, class Param8>
FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6, Param7 p7, Param8 p8 ) >
bind(
RetType (X::*func)( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6, Param7 p7, Param8 p8 ) const,
Y * y,
...)
{
return FastDelegate< RetType ( Param1 p1, Param2 p2, Param3 p3, Param4 p4, Param5 p5, Param6 p6, Param7 p7, Param8 p8 ) >(y, func);
}
#endif //FASTDELEGATE_ALLOW_FUNCTION_TYPE_SYNTAX
} // namespace fastdelegate
#endif // !defined(FASTDELEGATEBIND_H)