Chris Danford
126 lines
2.7 KiB
C++
126 lines
2.7 KiB
C++
#include "stdafx.h"
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/*
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-----------------------------------------------------------------------------
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Class: MsdFile
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Desc: See header.
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Copyright (c) 2001-2002 by the person(s) listed below. All rights reserved.
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Chris Danford
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-----------------------------------------------------------------------------
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*/
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#include "MsdFile.h"
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MsdFile::MsdFile()
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{
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m_szFileString = NULL;
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int m_iNumValues = 0;
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}
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MsdFile::~MsdFile()
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{
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if( m_szFileString )
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delete m_szFileString;
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}
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//returns true if successful, false otherwise
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bool MsdFile::ReadFile( CString sNewPath )
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{
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if( m_szFileString )
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delete m_szFileString;
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// Get file size in bytes
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HANDLE hFile = CreateFile(
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sNewPath, // pointer to name of the file
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GENERIC_READ, // access (read-write) mode
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FILE_SHARE_READ|FILE_SHARE_WRITE, // share mode
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NULL, // pointer to security attributes
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OPEN_EXISTING, // how to create
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FILE_ATTRIBUTE_NORMAL, // file attributes
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NULL // handle to file with attributes to
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);
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int iBufferSize = GetFileSize( hFile, NULL ) + 1;
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CloseHandle( hFile );
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// allocate a string to hold the file
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m_szFileString = new char[iBufferSize];
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FILE* fp = fopen(sNewPath, "r");
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if( fp == NULL )
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return false;
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int iBytesRead = fread( m_szFileString, 1, iBufferSize, fp );
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ASSERT( iBufferSize > iBytesRead );
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m_iNumValues = 0;
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for( int i=0; i<iBytesRead; i++ )
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{
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switch( m_szFileString[i] )
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{
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case '#': // begins a new value
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{
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m_iNumValues++;
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int iCurValueIndex = m_iNumValues-1;
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m_iNumParams[iCurValueIndex] = 1;
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m_szValuesAndParams[iCurValueIndex][0] = &m_szFileString[i+1];
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}
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break;
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case ':': // begins a new parameter
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{
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m_szFileString[i] = '\0';
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int iCurValueIndex = m_iNumValues-1;
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m_iNumParams[iCurValueIndex] ++;
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int iCurParamIndex = m_iNumParams[iCurValueIndex]-1;
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m_szValuesAndParams[iCurValueIndex][iCurParamIndex] = &m_szFileString[i+1];
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}
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break;
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case ';': // ends a value
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{
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m_szFileString[i] = '\0';
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// fast forward until just before the next '#'
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while( m_szFileString[i+1] != '#' && i<iBytesRead )
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i++;
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}
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break;
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case '/':
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if( m_szFileString[i+1] == '/' )
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{
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// advance until new line
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for( ; i<iBytesRead; i++ )
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{
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if( m_szFileString[i] == '\n' )
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break;
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else
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m_szFileString[i] = ' ';
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}
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}
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// fall through. If we didn't take the if above, then this '/' is part of a parameter!
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default:
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; // do nothing
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}
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}
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m_szFileString[i] = '\0';
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int iCurValueIndex = m_iNumValues-1;
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int iCurParamIndex = m_iNumParams[iCurValueIndex]-1;
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for( i=0; i<m_iNumValues; i++ )
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{
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for( int j=0; j<m_iNumParams[i]; j++ )
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{
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m_sValuesAndParams[i][j] = m_szValuesAndParams[i][j];
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}
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}
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fclose( fp );
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return true;
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}
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