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.
124 lines
2.9 KiB
124 lines
2.9 KiB
//====== Copyright © 1996-2004, Valve Corporation, All rights reserved. =======
|
|
//
|
|
// Purpose: Simple class to make it easier to deal with flags
|
|
//
|
|
//=============================================================================
|
|
|
|
#ifndef UTLFLAGS_H
|
|
#define UTLFLAGS_H
|
|
#ifdef _WIN32
|
|
#pragma once
|
|
#endif
|
|
|
|
#include "tier0/dbg.h"
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Simple class to make it easier to deal with flags
|
|
//-----------------------------------------------------------------------------
|
|
template< class T >
|
|
class CUtlFlags
|
|
{
|
|
public:
|
|
CUtlFlags( int nInitialFlags = 0 );
|
|
|
|
// Flag setting
|
|
void SetFlag( int nFlagMask );
|
|
void SetFlag( int nFlagMask, bool bEnable );
|
|
|
|
// Flag clearing
|
|
void ClearFlag( int nFlagMask );
|
|
void ClearAllFlags();
|
|
bool IsFlagSet( int nFlagMask ) const;
|
|
|
|
// Is any flag set?
|
|
bool IsAnyFlagSet() const;
|
|
|
|
private:
|
|
T m_nFlags;
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Constructor
|
|
//-----------------------------------------------------------------------------
|
|
template< class T >
|
|
CUtlFlags<T>::CUtlFlags( int nInitialFlags )
|
|
{
|
|
// Makes sure we didn't truncate
|
|
Assert( nInitialFlags == (T)nInitialFlags );
|
|
|
|
m_nFlags = (T)nInitialFlags;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Set flags
|
|
//-----------------------------------------------------------------------------
|
|
template< class T >
|
|
void CUtlFlags<T>::SetFlag( int nFlagMask )
|
|
{
|
|
// Makes sure we didn't truncate
|
|
Assert( nFlagMask == (T)nFlagMask );
|
|
|
|
m_nFlags |= (T)nFlagMask;
|
|
}
|
|
|
|
template< class T >
|
|
void CUtlFlags<T>::SetFlag( int nFlagMask, bool bEnable )
|
|
{
|
|
// Makes sure we didn't truncate
|
|
Assert( nFlagMask == (T)nFlagMask );
|
|
|
|
if ( bEnable )
|
|
{
|
|
m_nFlags |= (T)nFlagMask;
|
|
}
|
|
else
|
|
{
|
|
m_nFlags &= ~((T)nFlagMask);
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Clear flags
|
|
//-----------------------------------------------------------------------------
|
|
template< class T >
|
|
void CUtlFlags<T>::ClearFlag( int nFlagMask )
|
|
{
|
|
// Makes sure we didn't truncate
|
|
Assert( nFlagMask == (T)nFlagMask );
|
|
m_nFlags &= ~((T)nFlagMask);
|
|
}
|
|
|
|
template< class T >
|
|
void CUtlFlags<T>::ClearAllFlags()
|
|
{
|
|
m_nFlags = 0;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Is a flag set?
|
|
//-----------------------------------------------------------------------------
|
|
template< class T >
|
|
bool CUtlFlags<T>::IsFlagSet( int nFlagMask ) const
|
|
{
|
|
// Makes sure we didn't truncate
|
|
Assert( nFlagMask == (T)nFlagMask );
|
|
return ( m_nFlags & nFlagMask ) != 0;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Is any flag set?
|
|
//-----------------------------------------------------------------------------
|
|
template< class T >
|
|
bool CUtlFlags<T>::IsAnyFlagSet() const
|
|
{
|
|
return m_nFlags != 0;
|
|
}
|
|
|
|
|
|
#endif // UTLFLAGS_H
|