1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/kernelhwsrv/kernel/eka/debug/crashMonitor/inc/scmbytestreamutil.inl Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,125 @@
1.4 +// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of the License "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +// WARNING: This file contains some APIs which are internal and are subject
1.19 +// to change without noticed. Such APIs should therefore not be used
1.20 +// outside the Kernel and Hardware Services package.
1.21 +//
1.22 +
1.23 +#include <e32des8.h>
1.24 +
1.25 +namespace Debug
1.26 + {
1.27 + /**
1.28 + * TByteStreamReader implementation
1.29 + */
1.30 +
1.31 + /**
1.32 + * Returns the next byte from the stream
1.33 + * @return TUint8 byte requested
1.34 + */
1.35 + inline TUint8 TByteStreamReader::ReadByte()
1.36 + {
1.37 + return iBuffer[iPos++];
1.38 + }
1.39 +
1.40 + /**
1.41 + * Returns the next short from the stream
1.42 + * @return TUint16 short requested
1.43 + */
1.44 + inline TUint16 TByteStreamReader::ReadShort()
1.45 + {
1.46 + TUint8 b1 = ReadByte();
1.47 + TUint8 b2 = ReadByte();
1.48 + return (TUint16)(b1 + (b2 << 8));
1.49 + }
1.50 +
1.51 + /**
1.52 + * Returns the next TUInt32 from the stream
1.53 + * @return TUInt32 TUInt32 requested
1.54 + */
1.55 + inline TUint32 TByteStreamReader::ReadInt()
1.56 + {
1.57 + TUint16 s1 = ReadShort();
1.58 + TUint16 s2 = ReadShort();
1.59 + return s1 + (s2 << 16);
1.60 + }
1.61 +
1.62 + /**
1.63 + * Returns the next TUInt64 from the stream
1.64 + * @return TUInt64 TUInt64 requested
1.65 + */
1.66 + inline TUint64 TByteStreamReader::ReadInt64()
1.67 + {
1.68 + return MAKE_TUINT64(ReadInt(), ReadInt()) ;
1.69 + }
1.70 +
1.71 + /**
1.72 + * TByteStreamWriter implementation
1.73 + */
1.74 +
1.75 + /**
1.76 + * Writes a short to the stream
1.77 + * @param aValue Value to write to stream
1.78 + */
1.79 + inline void TByteStreamWriter::WriteShort(TUint16 aValue)
1.80 + {
1.81 + WriteByte((TUint8) aValue);
1.82 + WriteByte((TUint8) (aValue >> 8));
1.83 + }
1.84 +
1.85 + /**
1.86 + * Writes an int to the stream
1.87 + * @param aValue Value to write to stream
1.88 + */
1.89 + inline void TByteStreamWriter::WriteInt(TUint32 aValue)
1.90 + {
1.91 + WriteByte((TUint8)aValue);
1.92 + WriteByte((TUint8) (aValue >> 8));
1.93 + WriteByte((TUint8) (aValue >> 16));
1.94 + WriteByte((TUint8) (aValue >> 24));
1.95 + }
1.96 +
1.97 + /**
1.98 + * Writes a 64 bit int to the stream
1.99 + * @param aValue Value to write to stream
1.100 + */
1.101 + inline void TByteStreamWriter::WriteInt64(TUint64 aValue)
1.102 + {
1.103 + WriteInt(I64HIGH(aValue));
1.104 + WriteInt(I64LOW(aValue));
1.105 + }
1.106 +
1.107 + /**
1.108 + * Enables physical writing such that the physical writers DoPhysicalWrite
1.109 + * method will be invoked upon a write. This may write to a given media
1.110 + * as defined by the implementation of this method
1.111 + */
1.112 + inline void TByteStreamWriter::EnablePhysicalWriting()
1.113 + {
1.114 + iPhysEnabled = ETrue;
1.115 + }
1.116 +
1.117 + /**
1.118 + * Disables physical writing such that the physical writers DoPhysicalWrite
1.119 + * method will not be invoked upon a write.
1.120 + */
1.121 + inline void TByteStreamWriter::DisablePhysicalWriting()
1.122 + {
1.123 + iPhysEnabled = EFalse;
1.124 + }
1.125 + }
1.126 +
1.127 +
1.128 +//eof