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531 lines
13 KiB
531 lines
13 KiB
// FileIO.cpp Implementation of MSInfoFile classes.
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//
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// Copyright (c) 1998-1999 Microsoft Corporation
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#include "stdafx.h"
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#include "FileIO.h"
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//#include "DataSrc.h"
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#include "category.h"
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#include "MSInfo5Category.h"
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//#include "Resource.h"
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CFileFormatException CMSInfoFile::xptFileFormat;
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const unsigned CMSInfoFile::DefaultReadBufferSize = 512; // 256;
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/*
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* CMSInfoFile - Construct an MSInfoFile, setting the CFile to the pointer passed
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*
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* History: a-jsari 10/20/97 Initial version
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*/
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void CMSInfoFile::ReadCategoryHeader()
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{
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LONG l;
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ASSERT(this->m_pFile != NULL);
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ReadLong(l); // Save time.
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m_tsSaveTime = (ULONG) l;
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#ifdef _WIN64
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ReadLong(l); // Save time.
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m_tsSaveTime |= ((time_t) l) << 32;
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#endif
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CString szDummy;
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ReadString(szDummy); // Network machine name
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ReadString(szDummy); // Network user name
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}
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CMSInfoFile::CMSInfoFile(CFile *pFile)
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{
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if (pFile != NULL)
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m_pFile = pFile;
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}
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/*
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* CMSInfoFile - Construct an MSInfoFile, opening the CFile
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*
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* History: a-jsari 11/13/97 Initial version
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*/
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CMSInfoFile::CMSInfoFile(LPCTSTR szFileName, UINT nFlags)
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:m_strFileName(szFileName)
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{
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m_pFile = new CFile(szFileName, nFlags);
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if (m_pFile == NULL) ::AfxThrowMemoryException();
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}
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/*
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* ~CMSInfoFile - Destroy an MSInfoFile, closing the CFile pointer
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*
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* History: a-jsari 10/20/97 Initial version
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*/
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CMSInfoFile::~CMSInfoFile()
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{
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if (m_pFile)
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{
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//m_pFile->Close();
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delete m_pFile;
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}
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}
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/*
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* ReadUnsignedInt - Read an int from a file with the same byte-order
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* as our current implementation.
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*
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* History: a-jsari 10/21/97 Initial version
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*/
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void CMSInfoFile::ReadUnsignedInt(unsigned &uValue)
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{
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ReadUnsignedFromCFile(m_pFile, uValue);
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}
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/*
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* ReadUnsignedLong - Read a long from a file with the same byte-order
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* as our current implementation.
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*
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* History: a-jsari 12/1/97 Initial version
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*/
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void CMSInfoFile::ReadUnsignedLong(unsigned long &dwValue)
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{
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long lValue;
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ReadLongFromCFile(m_pFile, lValue);
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::memcpy(&dwValue, &lValue, sizeof(unsigned long));
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}
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/*
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* ReadLong - Read a long from a file written with our current byte-order
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*
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* History: a-jsari 10/21/97 Initial version
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*/
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void CMSInfoFile::ReadLong(long &lValue)
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{
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ReadLongFromCFile(m_pFile, lValue);
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}
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/*
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* ReadSignedInt - Read a signed integer value.
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*
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* History: a-jsari 10/20/97 Initial version
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*/
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void CMSInfoFile::ReadSignedInt(int &wValue)
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{
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unsigned uValue;
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ReadUnsignedInt(uValue);
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::memcpy(&wValue, &uValue, sizeof(int));
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}
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/*
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* ReadTchar - Read a tchar.
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*
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* History: a-jsari 12/26/97 Initial version.
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*/
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void CMSInfoFile::ReadTchar(TCHAR &tcValue)
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{
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ReadTcharFromCFile(m_pFile, tcValue);
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}
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/*
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* ReadString - Read a string.
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*
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* History: a-jsari 10/20/97 Initial version.
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*/
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void CMSInfoFile::ReadString(CString &szString)
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{
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unsigned wStringLength;
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// WCHAR szBuffer[DefaultReadBufferSize]; // Maximum string length = sizeof(szBuffer)
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// LPWSTR pszBuffer = szBuffer;
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ASSERT(m_pFile);
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ReadUnsignedInt(wStringLength);
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LPWSTR pszBuffer = new WCHAR[wStringLength + 1];
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m_pFile->Read(pszBuffer,wStringLength*sizeof(WCHAR));
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pszBuffer[wStringLength] = (WCHAR)'\0';
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// if (wStringLength > sizeof(szBuffer))
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// ThrowFileFormatException();
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// szBuffer[wStringLength] = (WCHAR)'\0';
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//wStringLength *= sizeof(WCHAR);
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// if (m_pFile->Read(reinterpret_cast<void *>(pszBuffer), wStringLength) != wStringLength)
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// ThrowFileFormatException();
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szString = pszBuffer;
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delete [] pszBuffer;
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}
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/*
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* WriteHeader - Write the header for the current version (currently
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* Version 5.00).
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*
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* History: a-jsari 10/31/97 Initial version
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*/
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void CMSInfoFile::WriteHeader(CDataSource *)
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{
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time_t tNow;
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WriteUnsignedInt(VERSION_500_MAGIC_NUMBER); // File magic number.
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WriteUnsignedInt(0x500); // Version number
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time(&tNow);
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WriteLong((LONG)tNow); // Current time.
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#ifdef _WIN64
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WriteLong((LONG) (tNow>>32));
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#endif
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WriteString(""); // Network machine
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WriteString(""); // Network user name.
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/* msiFile.WriteString("");
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msiFile.WriteUnsignedInt(1);
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msiFile.WriteUnsignedInt(0);
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msiFile.WriteString("");
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msiFile.WriteUnsignedInt(0);
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msiFile.WriteByte(0x00);
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msiFile.WriteUnsignedInt(0);
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msiFile.WriteUnsignedInt(CMSInfo5Category::CHILD);*/
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}
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/*
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* WriteChildMark - Write the special integer which specifies that the
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* following folder will be the child of the previous folder.
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*
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* History: a-jsari 11/5/97 Initial version.
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*/
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void CMSInfoFile::WriteChildMark()
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{
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WriteUnsignedInt(CMSInfo5Category::CHILD);
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}
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/*
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* WriteEndMark - Write the special integer which specifies that the
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* end of data has been reached.
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*
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* History: a-jsari 11/5/97 Initial version.
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*/
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void CMSInfoFile::WriteEndMark()
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{
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WriteUnsignedInt(CMSInfo5Category::END);
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}
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/*
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* WriteNextMark - Write the special integer which specifies that the
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* following folder will be the next folder in the list.
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*
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* History: a-jsari 11/5/97 Initial version.
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*/
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void CMSInfoFile::WriteNextMark()
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{
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WriteUnsignedInt(CMSInfo5Category::NEXT);
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}
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/*
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* WriteParentMark - Write the special mark specifying a parent node, with
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* the number of times the reading function should go up.
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*
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* History: a-jsari 11/5/97 Initial version.
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*/
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void CMSInfoFile::WriteParentMark(unsigned cIterations)
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{
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WriteUnsignedInt(CMSInfo5Category::PARENT | cIterations);
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}
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/*
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* WriteByte - Write a byte to our internal file.
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*
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* History: a-jsari 10/22/97 Initial version
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*/
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void CMSInfoFile::WriteByte(BYTE bValue)
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{
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m_pFile->Write(reinterpret_cast<void *>(&bValue), sizeof(bValue));
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}
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/*
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* WriteString - Write szValue as a string of wide characters, prefixed by
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* the string length.
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*
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* History: a-jsari 10/22/97 Initial version
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*/
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void CMSInfoFile::WriteString(CString szValue)
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{
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LPWSTR pszString;
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USES_CONVERSION;
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WriteUnsignedInt(szValue.GetLength());
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pszString = T2W(const_cast<LPTSTR>((LPCTSTR)szValue));
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m_pFile->Write(reinterpret_cast<void *>(pszString),
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szValue.GetLength() * sizeof(WCHAR));
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}
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/*
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* WriteLong - Write a long value to our internal file.
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*
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* History: a-jsari 10/22/97 Initial version
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*/
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void CMSInfoFile::WriteLong(long lValue)
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{
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m_pFile->Write(reinterpret_cast<void *>(&lValue), sizeof(lValue));
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}
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/*
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* WriteUnsignedInt - Write an unsigned integer value to our internal file.
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*
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* History: a-jsari 10/22/97 Initial version
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*/
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void CMSInfoFile::WriteUnsignedInt(unsigned uValue)
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{
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// unsigned* utest = (unsigned*) (reinterpret_cast<void *>(&uValue));
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// UINT utest2 = (UINT) *utest;
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m_pFile->Write(reinterpret_cast<void *>(&uValue), sizeof(uValue));
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}
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/*
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* WriteUnsignedLong - Write an unsigned long value to our internal file.
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*
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* History: a-jsari 12/1/97 Initial version
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*/
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void CMSInfoFile::WriteUnsignedLong(unsigned long dwValue)
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{
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long lValue;
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::memcpy(&lValue, &dwValue, sizeof(dwValue));
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WriteLong(lValue);
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}
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/*
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* ReadTcharFromCFile - Read a TCHAR value from the file specified.
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*
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* History: a-jsari 12/26/97 Initial version
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*/
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void CMSInfoFile::ReadTcharFromCFile(CFile *pFile, TCHAR &tcValue)
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{
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ASSERT(pFile != NULL);
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if (pFile->Read(reinterpret_cast<void *>(&tcValue), sizeof(tcValue)) != sizeof(tcValue))
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ThrowFileFormatException();
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}
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/*
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* ReadUnsignedFromCFile - Read an unsigned value from the file specified.
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*
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* History: a-jsari 10/20/97 Initial version
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*/
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void CMSInfoFile::ReadUnsignedFromCFile(CFile *pFile, unsigned &uValue)
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{
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ASSERT(pFile);
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if (pFile->Read(reinterpret_cast<void *>(&uValue), sizeof(uValue)) != sizeof(uValue))
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ThrowFileFormatException();
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}
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/*
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* ReadLongFromCFile - Read a long from the file specified.
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*
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* History: a-jsari 10/20/97 Initial version.
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*/
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void CMSInfoFile::ReadLongFromCFile(CFile *pFile, long &lValue)
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{
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ASSERT(pFile);
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if (pFile->Read(reinterpret_cast<void *>(&lValue), sizeof(lValue)) != sizeof(lValue))
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{
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ThrowFileFormatException();
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}
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}
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/*
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* CMSInfoTextFile - Constructor
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*
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* History: a-jsari 11/13/97 Initial version
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*/
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CMSInfoTextFile::CMSInfoTextFile(LPCTSTR szFileName, UINT nFlags)
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{
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try
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{
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m_pFile = new CFile(szFileName, nFlags);
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}
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catch (CFileException * e)
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{
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e->ReportError();
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throw;
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}
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}
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/*
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* CMSInfoTextFile - Constructor
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*
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* History: a-jsari 12/26/97 Initial version
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*/
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CMSInfoTextFile::CMSInfoTextFile(CFile *pFile)
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:CMSInfoFile(pFile)
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{
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}
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/*
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* WriteHeader - Write the special header for the text file.
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*
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* History: a-jsari 10/31/97 Initial version
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*/
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void CMSInfoTextFile::WriteHeader(CDataSource *pSource)
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{
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AFX_MANAGE_STATE(::AfxGetStaticModuleState());
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// mark file as unicode
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WCHAR wHeader = 0xFEFF;
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m_pFile->Write( &wHeader, 2);
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// FIX: Make this point to the right time.
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CTime tNow = CTime::GetCurrentTime();
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CString strTimeFormat;
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// strTimeFormat.LoadString(IDS_TIME_FORMAT);
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CString strHeaderText = tNow.Format(strTimeFormat);
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WriteString(strHeaderText);
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// WriteString(pSource->MachineName());
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}
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/*
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* WriteTitle - Write the title of a folder.
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*
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* History: a-jsari 11/5/97 Initial version
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*/
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void CMSInfoTextFile::WriteTitle(CString szName)
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{
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CString szWriteString = _T("[");
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szWriteString += szName + _T("]\n\n");
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WriteString(szWriteString);
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}
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/*
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* WriteLong - Write a long value in the text file.
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*
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* History: a-jsari 10/23/97 Initial version
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*/
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void CMSInfoTextFile::WriteLong(long lValue)
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{
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CString szTextValue;
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szTextValue.Format(_T("%ld"), lValue);
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WriteString(szTextValue);
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}
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/*
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* WriteUnsignedInt - Write an unsigned value in the text file.
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*
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* History: a-jsari 10/23/97 Initial version
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*/
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void CMSInfoTextFile::WriteUnsignedInt(unsigned uValue)
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{
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CString szTextValue;
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szTextValue.Format(_T("%ud"), uValue);
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WriteString(szTextValue);
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}
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/*
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* WriteString - Write a string to a text file.
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*
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* History: a-jsari 10/23/97 Initial version
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*/
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void CMSInfoTextFile::WriteString(CString szValue)
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{
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if (szValue.GetLength() == 0)
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return;
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//a-stephl dynamic_cast<CFile *>(m_pFile)->Write((LPCTSTR)szValue, szValue.GetLength() * sizeof(TCHAR));
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m_pFile->Write((LPCTSTR)szValue, szValue.GetLength() * sizeof(TCHAR));
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}
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/*
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* WriteString - Write a string to a memory file.
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*
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* History: a-jsari 1/5/98 Initial version
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*/
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void CMSInfoMemoryFile::WriteString(CString szValue)
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{
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if (szValue.GetLength() == 0)
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return;
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m_pFile->Write((LPCTSTR)szValue, szValue.GetLength() * sizeof(TCHAR));
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}
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#if 0
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/*
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* ReadUnsignedInt -
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*
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* History: a-jsari 10/21/97 Initial version
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*/
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void CMSInfoReverseEndianFile::ReadUnsignedInt(unsigned &uValue)
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{
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CMSInfoReverseEndianFile::ReadUnsignedFromCFile(m_pFile, uValue);
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}
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/*
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* ReadLong -
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*
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* History: a-jsari 10/21/97 Initial version
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*/
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void CMSInfoReverseEndianFile::ReadLong(long &lValue)
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{
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CMSInfoReverseEndianFile::ReadLongFromCFile(m_pFile, lValue);
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}
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/*
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* ReadString -
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*
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* History: a-jsari 10/21/97 Initial version
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*/
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void CMSInfoReverseEndianFile::ReadString(CString &szValue)
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{
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unsigned uStringLength;
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WCHAR szBuffer[DefaultReadBufferSize];
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LPWSTR pszBuffer = szBuffer;
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ReadUnsignedInt(uStringLength);
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for (unsigned i = uStringLength ; i > 0 ; --i) {
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szBuffer[i] = 0;
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for (unsigned j = sizeof(WCHAR) ; j > 0 ; --j) {
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BYTE bRead;
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ReadByte(bRead);
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szBuffer[i] >>= 8;
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szBuffer[i] |= bRead;
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}
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}
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}
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/*
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* ReadIntegerFromCFile - Template class to read an arbitrarily sized int
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* from a CFile pointer.
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*
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* History: a-jsari 10/21/97 Initial version
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*/
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template <class T> void ReadIntegerFromCFile(CFile *pFile, T &tValue)
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{
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union ReverseBuffer { BYTE bytes[sizeof(T)]; T tVal; };
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union ReverseBuffer rbReverse;
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union ReverseBuffer rbSwap;
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if (pFile->Read(reinterpret_cast<void *>(&tValue), sizeof(T)) != sizeof(T))
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ThrowFileFormatException();
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unsigned j = 0;
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for (unsigned i = sizeof(union ReverseBuffer) ; i > 0 ; --i, ++j) {
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rbSwap.bytes[i] = rbReverse.bytes[j];
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}
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tValue = rbReverse.tVal;
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}
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/*
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* ReadUnsignedFromCFile -
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*
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* History: a-jsari 10/21/97 Initial version
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*/
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void CMSInfoReverseEndianFile::ReadUnsignedFromCFile(CFile *pFile, unsigned &uValue)
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{
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ReadIntegerFromCFile<unsigned>(pFile, uValue);
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}
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/*
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* ReadLongFromCFile -
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*
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* History: a-jsari 10/21/97 Initial version
|
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*/
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void CMSInfoReverseEndianFile::ReadLongFromCFile(CFile *pFile, long &lValue)
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{
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ReadIntegerFromCFile<long>(pFile, lValue);
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}
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#endif
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