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/*
* Copyright (C) 2007-2023 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#include "bu/csvreader.h"
#include "bu/stream.h"
#include "bu/sio.h"
using namespace Bu;
Bu::CsvReader::CsvReader( Bu::Stream &sIn, Bu::CsvReader::Style eStyle ) :
sIn( sIn )
{
switch( eStyle )
{
case styleExcel:
sDecode = Bu::slot( &decodeExcel );
break;
case styleC:
sDecode = Bu::slot( &decodeC );
break;
}
}
Bu::CsvReader::CsvReader( Bu::Stream &sIn,
Bu::CsvReader::DecodeSignal sDecode ) :
sIn( sIn ),
sDecode( sDecode )
{
}
Bu::CsvReader::~CsvReader()
{
}
Bu::StrArray Bu::CsvReader::readLine()
{
Bu::StrArray aVals;
Bu::String sLine = sIn.readLine();
if( !sLine.isSet() )
return Bu::StrArray();
Bu::String::iterator i = sLine.begin();
aVals.append( sDecode( i ) );
while( i )
{
if( *i == ',' )
{
i++;
if( !i )
{
aVals.append("");
break;
}
aVals.append( sDecode( i ) );
}
else
{
// Blanks and stuff?
sio << "Out of bound: '" << *i << "'" << sio.nl;
i++;
}
}
return aVals;
}
Bu::String Bu::CsvReader::decodeExcel( Bu::String::iterator &i )
{
Bu::String sRet;
for(; i && (*i == ' ' || *i == '\t'); i++ ) { }
if( !i )
return sRet;
if( *i == '\"' )
{
for( i++ ; i; i++ )
{
if( *i == '\"' )
{
i++;
if( !i )
{
return sRet;
}
else if( *i == '\"' )
{
sRet += *i;
}
else
{
return sRet;
}
}
else
{
sRet += *i;
}
}
}
else
{
for( ; i; i++ )
{
if( *i == ',' )
{
return sRet;
}
sRet += *i;
}
}
return sRet;
}
Bu::String Bu::CsvReader::decodeC( Bu::String::iterator & )
{
return "";
}
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