sl@0: // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @internalTechnology
sl@0:  
sl@0:  Gets a 32-bit integer value which is in big-endian format from a byte stream.
sl@0:  
sl@0:  @param aPtr A pointer to a byte stream.
sl@0:  @return A 32-bit long integer value in native machine format.
sl@0:  
sl@0: */
sl@0: inline TUint32 BigEndian::Get32(const TUint8 *aPtr)
sl@0:     {
sl@0:     return (aPtr[0]<<24) | (aPtr[1]<<16) | (aPtr[2]<<8) | aPtr[3];
sl@0:     }
sl@0: 
sl@0: /**
sl@0:     Inserts a 32-bit value into a byte stream in big-endian format.
sl@0: 
sl@0:     @param aPtr A pointer to a byte stream.
sl@0:     @param aVal A 32-bit long integer value in native machine format.
sl@0:  */
sl@0: inline void BigEndian::Put32(TUint8 *aPtr, TUint32 aVal)
sl@0:     {
sl@0:     aPtr[0] = aVal >> 24;
sl@0:     aPtr[1] = (aVal >> 16) & 0xff;
sl@0:     aPtr[2] = (aVal >> 8) & 0xff;
sl@0:     aPtr[3] = aVal & 0xff;
sl@0:     }
sl@0: /**
sl@0:     Gets a 16-bit value integer which is in big-endian format from a byte stream.
sl@0: 
sl@0:     @param aPtr A pointer to a byte stream.
sl@0:     @return A 16-bit long integer value in native machine format.
sl@0:  */
sl@0: inline TUint16 BigEndian::Get16(const TUint8 *aPtr)
sl@0:     {
sl@0:     return (aPtr[0]<<8) | aPtr[1];
sl@0:     }
sl@0: /**
sl@0:     Inserts a 16-bit value into a byte stream in big-endian format.
sl@0: 
sl@0:     @param aPtr A pointer to a byte stream.
sl@0:     @param aVal A 16-bit long integer value in native machine format.
sl@0:  */
sl@0: inline void BigEndian::Put16(TUint8 *aPtr, TUint16 aVal)
sl@0:     {
sl@0:     aPtr[0] = aVal >> 8;
sl@0:     aPtr[1] = aVal & 0xff;
sl@0:     }
sl@0: 
sl@0: 
sl@0: 
sl@0: /**
sl@0:     Gets a 32-bit integer value which is in little-endian format from a byte
sl@0:     stream.
sl@0: 
sl@0:     @param aPtr A pointer to a byte stream.
sl@0:     @return A 32-bit long integer value in native machine format.
sl@0:  */
sl@0: inline TUint32 LittleEndian::Get32(const TUint8 *aPtr)
sl@0:     {
sl@0:     return (aPtr[3]<<24) | (aPtr[2]<<16) | (aPtr[1]<<8) | aPtr[0];
sl@0:     }
sl@0: 
sl@0: /**
sl@0:     Inserts a 32-bit value into a byte stream in little-endian format.
sl@0: 
sl@0:     @param aPtr A pointer to a byte stream.
sl@0:     @param aVal A 32-bit long integer value in native machine format.
sl@0:  */
sl@0: inline void LittleEndian::Put32(TUint8 *aPtr, TUint32 aVal)
sl@0:     {
sl@0:     aPtr[3] = aVal >> 24;
sl@0:     aPtr[2] = (aVal >> 16) & 0xff;
sl@0:     aPtr[1] = (aVal >> 8) & 0xff;
sl@0:     aPtr[0] = aVal & 0xff;
sl@0:     }
sl@0: /**
sl@0:     Gets a 16-bit value integer which is in little-endian format from a byte
sl@0:     stream.
sl@0: 
sl@0:     @param aPtr A pointer to a byte stream.
sl@0:     @return A 16-bit long integer value in native machine format.
sl@0:  */
sl@0: inline TUint16 LittleEndian::Get16(const TUint8 *aPtr)
sl@0:     {
sl@0:     return (aPtr[1]<<8) | aPtr[0];
sl@0:     }
sl@0: /**
sl@0:     Inserts a 16-bit value into a byte stream in little-endian format.
sl@0: 
sl@0:     @param aPtr A pointer to a byte stream.
sl@0:     @param aVal A 16-bit long integer value in native machine format.
sl@0:  */
sl@0: inline void LittleEndian::Put16(TUint8 *aPtr, TUint16 aVal)
sl@0:     {
sl@0:     aPtr[1] = aVal >> 8;
sl@0:     aPtr[0] = aVal & 0xff;
sl@0:     }
sl@0: 
sl@0: 
sl@0: