--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/secureswitools/swisistools/source/sisxlibrary/fieldroot.cpp Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,196 @@
+/*
+* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+* Note: This file may contain code to generate corrupt files for test purposes.
+* Such code is excluded from production builds by use of compiler defines;
+* it is recommended that such code should be removed if this code is ever published publicly.
+*
+*/
+
+
+/**
+ @file
+ @internalComponent
+ @released
+*/
+
+
+#include "fieldroot.h"
+#include "basefile.h"
+
+
+
+#include <assert.h> // for assert
+#include "utility_interface.h"
+
+
+CSISFieldRoot::TDbgFlag CSISFieldRoot::iDbgFlag (CSISFieldRoot::EDbgDefault);
+CSISFieldRoot::THeadOpt CSISFieldRoot::iOptions (CSISFieldRoot::EOptDefault);
+#ifdef GENERATE_ERRORS
+CSISFieldRoot::TBug CSISFieldRoot::iBug (CSISFieldRoot::EBugDefault);
+unsigned CSISFieldRoot::iBugStart (10);
+unsigned CSISFieldRoot::iBugRepeat (10);
+unsigned CSISFieldRoot::iBugRepeatCountdown (0);
+#endif // GENERATE_ERRORS
+
+
+
+// 16-bit CRC calulation lookup table
+static const WORD gCrcTab [256] =
+ {0x0000,0x1021,0x2042,0x3063,0x4084,0x50a5,0x60c6,0x70e7,0x8108,0x9129,0xa14a,
+ 0xb16b,0xc18c,0xd1ad,0xe1ce,0xf1ef,0x1231,0x0210,0x3273,0x2252,0x52b5,0x4294,
+ 0x72f7,0x62d6,0x9339,0x8318,0xb37b,0xa35a,0xd3bd,0xc39c,0xf3ff,0xe3de,0x2462,
+ 0x3443,0x0420,0x1401,0x64e6,0x74c7,0x44a4,0x5485,0xa56a,0xb54b,0x8528,0x9509,
+ 0xe5ee,0xf5cf,0xc5ac,0xd58d,0x3653,0x2672,0x1611,0x0630,0x76d7,0x66f6,0x5695,
+ 0x46b4,0xb75b,0xa77a,0x9719,0x8738,0xf7df,0xe7fe,0xd79d,0xc7bc,0x48c4,0x58e5,
+ 0x6886,0x78a7,0x0840,0x1861,0x2802,0x3823,0xc9cc,0xd9ed,0xe98e,0xf9af,0x8948,
+ 0x9969,0xa90a,0xb92b,0x5af5,0x4ad4,0x7ab7,0x6a96,0x1a71,0x0a50,0x3a33,0x2a12,
+ 0xdbfd,0xcbdc,0xfbbf,0xeb9e,0x9b79,0x8b58,0xbb3b,0xab1a,0x6ca6,0x7c87,0x4ce4,
+ 0x5cc5,0x2c22,0x3c03,0x0c60,0x1c41,0xedae,0xfd8f,0xcdec,0xddcd,0xad2a,0xbd0b,
+ 0x8d68,0x9d49,0x7e97,0x6eb6,0x5ed5,0x4ef4,0x3e13,0x2e32,0x1e51,0x0e70,0xff9f,
+ 0xefbe,0xdfdd,0xcffc,0xbf1b,0xaf3a,0x9f59,0x8f78,0x9188,0x81a9,0xb1ca,0xa1eb,
+ 0xd10c,0xc12d,0xf14e,0xe16f,0x1080,0x00a1,0x30c2,0x20e3,0x5004,0x4025,0x7046,
+ 0x6067,0x83b9,0x9398,0xa3fb,0xb3da,0xc33d,0xd31c,0xe37f,0xf35e,0x02b1,0x1290,
+ 0x22f3,0x32d2,0x4235,0x5214,0x6277,0x7256,0xb5ea,0xa5cb,0x95a8,0x8589,0xf56e,
+ 0xe54f,0xd52c,0xc50d,0x34e2,0x24c3,0x14a0,0x0481,0x7466,0x6447,0x5424,0x4405,
+ 0xa7db,0xb7fa,0x8799,0x97b8,0xe75f,0xf77e,0xc71d,0xd73c,0x26d3,0x36f2,0x0691,
+ 0x16b0,0x6657,0x7676,0x4615,0x5634,0xd94c,0xc96d,0xf90e,0xe92f,0x99c8,0x89e9,
+ 0xb98a,0xa9ab,0x5844,0x4865,0x7806,0x6827,0x18c0,0x08e1,0x3882,0x28a3,0xcb7d,
+ 0xdb5c,0xeb3f,0xfb1e,0x8bf9,0x9bd8,0xabbb,0xbb9a,0x4a75,0x5a54,0x6a37,0x7a16,
+ 0x0af1,0x1ad0,0x2ab3,0x3a92,0xfd2e,0xed0f,0xdd6c,0xcd4d,0xbdaa,0xad8b,0x9de8,
+ 0x8dc9,0x7c26,0x6c07,0x5c64,0x4c45,0x3ca2,0x2c83,0x1ce0,0x0cc1,0xef1f,0xff3e,
+ 0xcf5d,0xdf7c,0xaf9b,0xbfba,0x8fd9,0x9ff8,0x6e17,0x7e36,0x4e55,0x5e74,0x2e93,
+ 0x3eb2,0x0ed1,0x1ef0
+ };
+
+
+const TUint8 KByteAlignment = 4;
+
+CSISFieldRoot::CSISFieldRoot ()
+ {
+ }
+
+
+void CSISFieldRoot::DoPaddedCrc(TCRC& aCRC, const TUint8* aData, const unsigned aLen)
+ {
+ // calculate CRC of the data as normal
+ CSISFieldRoot::DoTheCrc(aCRC, aData, aLen);
+
+ // do CRC of the padding
+ CSISFieldRoot::PaddingCrc(aCRC, aLen);
+ }
+
+void CSISFieldRoot::PaddingCrc(TCRC& aCRC, const unsigned aLength)
+ {
+ // calculate the CRC of any required padding bytes
+ TUint8 padding[KByteAlignment] = { 0, 0, 0, 0};
+ CSISFieldRoot::DoTheCrc(aCRC, padding, (KByteAlignment - (aLength % KByteAlignment)) & 0x03);
+ }
+
+void CSISFieldRoot::DoTheCrc (TCRC& aCRC, const TUint8* aData, const unsigned aLen)
+ {
+
+// There are several flavours of CRC16. This function calculates the CRC using the ZModem CRC-16
+// The parameters used to describe the ZModem CRC16 are:
+// Poly: 1021
+// Initial Value: 0000
+// Reflected Input: No
+// Reflected Output: No
+// XorOutput: 0000
+
+ /*
+
+ This is a test vector "123456789" which returns CRC of 0x31c3
+
+ TUint8 test[] = { 0x31, 0x32, 0x33, 0x34, 0x35,0x36, 0x37, 0x38, 0x39 };
+ unsigned length = 9;
+ for (const TUint8 *ptrdata = test; ptrdata != test + length; ptrdata++)
+ aCRC = (aCRC << 8) ^ gCrcTab[((aCRC >> 8) ^ *ptrdata) & 0xff];
+ */
+
+ /* USEFUL CRC DEBUGGING TRICK
+ FILE* ptr = NULL;
+ ptr = fopen("c:\\crc.dat","ab");
+ fwrite(aData, 1, aLen, ptr);
+ fclose(ptr);
+ */
+ assert (! IsBadReadPtr (aData, aLen));
+
+ for (const TUint8 *ptrdata = aData; ptrdata != aData + aLen; ptrdata++)
+ {
+ aCRC = (aCRC << 8) ^ gCrcTab[((aCRC >> 8) ^ *ptrdata) & 0xff];
+ }
+ }
+
+
+TSISStream& operator >> (TSISStream& aFile, CSISFieldRoot::TFieldType& aType)
+ {
+ TUint32 value;
+ aFile >> value;
+ aType = static_cast <CSISFieldRoot::TFieldType> (value);
+ return aFile;
+ }
+
+TSISStream& operator << (TSISStream& aFile, const CSISFieldRoot::TFieldType aType)
+ {
+ TUint32 value (static_cast <TUint32> (aType));
+ aFile << value;
+ return aFile;
+ }
+
+
+
+
+
+
+CSISFieldRoot::~CSISFieldRoot ()
+ {
+ }
+
+
+TCRC CSISFieldRoot::Crc (const bool aIsArrayElement) const
+ {
+ TCRC crc (0);
+ CalculateCrc (crc, aIsArrayElement);
+ return crc;
+ }
+
+#ifdef GENERATE_ERRORS
+void CSISFieldRoot::AddRawDataValue (TSISStream& aFile,const unsigned aLength)
+ {
+ for(int i=0 ; i < aLength ;i++)
+ {
+ aFile << (TUint8) rand();
+ }
+ }
+#endif // GENERATE_ERRORS
+
+#ifdef GENERATE_ERRORS
+bool CSISFieldRoot::IsBugToBeCreated (const TBug aBug)
+ {
+ if (IsBugSet (aBug))
+ {
+ if (iBugStart > 0)
+ {
+ return (--iBugStart == 0);
+ }
+ if (--iBugRepeatCountdown == 0)
+ {
+ iBugRepeatCountdown = iBugRepeat;
+ return true;
+ }
+ }
+ return false;
+ }
+#endif // GENERATE_ERRORS