113 lines
3.1 KiB
C++
113 lines
3.1 KiB
C++
//
|
|
// Copyright (c) 2010-2011 Matthew Jack and Doug Binks
|
|
//
|
|
// This software is provided 'as-is', without any express or implied
|
|
// warranty. In no event will the authors be held liable for any damages
|
|
// arising from the use of this software.
|
|
// Permission is granted to anyone to use this software for any purpose,
|
|
// including commercial applications, and to alter it and redistribute it
|
|
// freely, subject to the following restrictions:
|
|
// 1. The origin of this software must not be misrepresented; you must not
|
|
// claim that you wrote the original software. If you use this software
|
|
// in a product, an acknowledgment in the product documentation would be
|
|
// appreciated but is not required.
|
|
// 2. Altered source versions must be plainly marked as such, and must not be
|
|
// misrepresented as being the original software.
|
|
// 3. This notice may not be removed or altered from any source distribution.
|
|
|
|
#pragma once
|
|
|
|
#ifndef RUNTIMEINCLUDE_INCLUDED
|
|
#define RUNTIMEINCLUDE_INCLUDED
|
|
|
|
#include <stddef.h>
|
|
|
|
#ifndef RCCPPOFF
|
|
|
|
//NOTE: the file macro will only emit the full path if /FC option is used in visual studio or /ZI (Which forces /FC)
|
|
//Following creates a list of files which are runtime modifiable, to be used in headers
|
|
//requires use of __COUNTER__ predefined macro, which is in gcc 4.3+, clang/llvm and MSVC
|
|
|
|
struct IRuntimeIncludeFileList
|
|
{
|
|
IRuntimeIncludeFileList( size_t max ) : MaxNum( max )
|
|
{
|
|
}
|
|
|
|
// GetIncludeFile may return 0, so you should iterate through to GetMaxNum() ignoring 0 returns
|
|
virtual const char* GetIncludeFile( size_t Num_ ) const
|
|
{
|
|
return 0;
|
|
}
|
|
size_t MaxNum; // initialized in constructor below
|
|
};
|
|
|
|
|
|
namespace
|
|
{
|
|
|
|
template< size_t COUNT > struct RuntimeIncludeFiles : public RuntimeIncludeFiles<COUNT-1>
|
|
{
|
|
RuntimeIncludeFiles( size_t max ) : RuntimeIncludeFiles<COUNT-1>( max )
|
|
{
|
|
}
|
|
RuntimeIncludeFiles() : RuntimeIncludeFiles<COUNT-1>( COUNT )
|
|
{
|
|
}
|
|
|
|
virtual const char* GetIncludeDir( size_t Num_ ) const
|
|
{
|
|
if( Num_ < COUNT )
|
|
{
|
|
return this->RuntimeIncludeFiles< COUNT-1 >::GetIncludeDir( Num_ );
|
|
}
|
|
else return 0;
|
|
}
|
|
};
|
|
|
|
template<> struct RuntimeIncludeFiles<0> : public IRuntimeIncludeFileList
|
|
{
|
|
RuntimeIncludeFiles( size_t max ) : IRuntimeIncludeFileList( max )
|
|
{
|
|
}
|
|
RuntimeIncludeFiles() : IRuntimeIncludeFileList( 0 )
|
|
{
|
|
}
|
|
|
|
virtual const char* GetIncludeDir( size_t Num_ ) const
|
|
{
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
|
|
|
|
#define RUNTIME_MODIFIABLE_INCLUDE_BASE( N ) \
|
|
template<> struct RuntimeIncludeFiles< N + 1 > : public RuntimeIncludeFiles< N >\
|
|
{ \
|
|
RuntimeIncludeFiles( size_t max ) : RuntimeIncludeFiles<N>( max ) {} \
|
|
RuntimeIncludeFiles< N + 1 >() : RuntimeIncludeFiles<N>( N + 1 ) {} \
|
|
virtual const char* GetIncludeFile( size_t Num_ ) const \
|
|
{ \
|
|
if( Num_ <= N ) \
|
|
{ \
|
|
if( Num_ == N ) \
|
|
{ \
|
|
return __FILE__; \
|
|
} \
|
|
else return this->RuntimeIncludeFiles< N >::GetIncludeFile( Num_ ); \
|
|
} \
|
|
else return 0; \
|
|
} \
|
|
}; \
|
|
|
|
|
|
#define RUNTIME_MODIFIABLE_INCLUDE namespace { RUNTIME_MODIFIABLE_INCLUDE_BASE( __COUNTER__ ) }
|
|
|
|
}
|
|
#else
|
|
#define RUNTIME_MODIFIABLE_INCLUDE
|
|
#endif //RCCPPOFF
|
|
|
|
#endif //RUNTIMEINCLUDE_INCLUDED
|