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/* xb_import.cpp
XBase64 Software Library
Copyright (c) 1997,2003,2014,2023 Gary A Kunkel
The xb64 software library is covered under
the terms of the GPL Version 3, 2007 license.
Email Contact:
xb64-devel@lists.sourceforge.net
xb64-users@lists.sourceforge.net
*/
#include <xbase.h>
using namespace xb;
struct sFldMap{
xbUInt32 iRecPos;
xbInt16 iFldNo;
char cFldType;
sFldMap *next;
};
void PrintHelp();
void PrintHelp(){
std::cout << "Usage: xb_execsql [-h] [-?] [--help] [-v] [--version] -i infilename.txt -d delimeter -t table.DBF -q --quiet" << std::endl << std::endl;
std::cout << "This program imports data from a text file into a specified DBF file/table." << std::endl << std::endl;
}
void PrintVersion();
void PrintVersion(){
std::cout << "Xbase64 Version: " << xbase_VERSION_MAJOR << "." << xbase_VERSION_MINOR << "." << xbase_VERSION_PATCH << std::endl;
}
int main(int argc, char* argv[])
{
xbXBase x;
xbSql sql( &x );
xbFile f( sql.GetXbasePtr() );
xbInt16 iRc = XB_NO_ERROR;
xbString sFileName = "";
xbString sTableName = "";
xbString sSqlLine = "";
xbString sParm = "";
xbString sMsg;
xbString sLine;
xbString sFld;
xbBool bQuiet = xbFalse;
char cDelimiter = ',';
char cType = ' ';
sFldMap *fmFldList = 0;
sFldMap *fmTemp = 0;
xbInt16 iFldNo = 0;
xbUInt32 ulRecCtr = 0;
xbBool bRecUpdated;
x.EnableMsgLogging();
if (argc < 2 || x.GetCmdLineOpt( argc, argv, "-h", sParm ) ||
x.GetCmdLineOpt( argc, argv, "-?", sParm ) ||
x.GetCmdLineOpt( argc, argv, "--help", sParm )){
PrintHelp();
return 1;
}
if ( x.GetCmdLineOpt( argc, argv, "-v", sParm ) ||
x.GetCmdLineOpt( argc, argv, "--version", sParm )){
PrintVersion();
return 1;
}
if ( x.GetCmdLineOpt( argc, argv, "-q", sParm ) ||
x.GetCmdLineOpt( argc, argv, "--quiet", sParm )){
bQuiet = xbTrue;
}
if ( x.GetCmdLineOpt( argc, argv, "-d", sParm )){
if( sParm.Len() > 0 ){
cDelimiter = sParm[1];
}
}
if( !x.GetCmdLineOpt( argc, argv, "-i", sFileName ) || sFileName == "" ){
PrintHelp();
return 1;
}
if( !x.GetCmdLineOpt( argc, argv, "-t", sTableName ) || sTableName == "" ){
PrintHelp();
return 1;
}
xbDbf *MyFile = NULL;
if(( iRc = x.OpenHighestVersion( sTableName.Str(), "", &MyFile )) != XB_NO_ERROR ){
std::cout << "Could not open table/file RC = " << iRc << " file = " << sTableName.Str() << std::endl;
x.DisplayError( iRc );
return 1;
}
if(( iRc = f.xbFopen( "r", sFileName, XB_SINGLE_USER )) != XB_NO_ERROR ){
sMsg.Sprintf( "Error opening [%s]\n", sFileName.Str() );
std::cout << sMsg.Str();
x.DisplayError( iRc );
return 1;
}
if(( iRc = f.xbFgets( 1024, sLine )) != XB_NO_ERROR ){
sMsg.Sprintf( "Error reading [%s]\n", sFileName.Str() );
std::cout << sMsg.Str();
x.DisplayError( iRc );
return 1;
}
// determine how many fields in a record
xbUInt32 lFldCnt = sLine.CountChar( cDelimiter, 1 );
// std::cout << "in rec = [" << sLine.Str() << "]\n";
// std::cout << "fld cnt = [" << lFldCnt << "]\n";
// do the mapping between field names in source data and field numbers in target table
for( xbUInt32 l = 0; l < (lFldCnt + 1); l++ ){
// get the field
sFld.ExtractElement( sLine.Str(), cDelimiter, l+1, 1 );
sFld.ZapTrailingChar( 0x0a ); // eliminate CRLF
sFld.ZapTrailingChar( 0x0d ); // eliminate CRLF
// do the lookup
// std::cout << "processing field [" << l << "] [" << sFld.Str() << "]\n";
// if found, create an entry in the field list structure
// else if not quiet, display a message
//iRc = MyFile->GetFieldNo( sFld, &iFldNo );
if(( iRc = MyFile->GetFieldNo( sFld, iFldNo )) == XB_NO_ERROR ){
MyFile->GetFieldType( iFldNo, cType );
fmTemp = (sFldMap *) calloc( 1, sizeof( sFldMap ));
if( !fmTemp ){
std::cout << "Memory allocation error\n";
exit(1);
} else {
fmTemp->iRecPos = l;
fmTemp->iFldNo = iFldNo;
fmTemp->cFldType = cType;
fmTemp->next = fmFldList;
fmFldList = fmTemp;
}
} else {
if( !bQuiet ){
std::cout << "Field [" << sFld.Str() << "] not found in target table" << std::endl;
}
}
}
while( f.xbFgets( 1024, sLine ) == XB_NO_ERROR ){
bRecUpdated = xbFalse;
// std::cout << sLine.Str() << "\n";
if(( iRc = MyFile->BlankRecord()) != XB_NO_ERROR ){
sMsg.Sprintf( "MyFile->BlankRecord() error [%d]\n", iRc );
std::cout << sMsg.Str();
x.DisplayError( iRc );
} else {
fmTemp = fmFldList;
while( fmTemp ){
// std::cout << "*** RecPos = " << fmTemp->iRecPos << " FldNo = " << fmTemp->iFldNo << " Type = " << fmTemp->cFldType << "\n";
sFld.ExtractElement( sLine.Str(), cDelimiter, fmTemp->iRecPos+1, 1 );
sFld.ZapTrailingChar( 0x0a ); // eliminate CRLF
sFld.ZapTrailingChar( 0x0d ); // eliminate CRLF
// remove any matching leading and trailing quotes
if( sFld[1] == '\'' && sFld[sFld.Len()] == '\'' ){
sFld.ZapTrailingChar( '\'' );
sFld.ZapLeadingChar ( '\'' );
//std::cout << "DataNq = " << sFld.Str() << "\n";
} else if( sFld[1] == '"' && sFld[sFld.Len()] == '"' ){
sFld.ZapTrailingChar( '"' );
sFld.ZapLeadingChar ( '"' );
}
// std::cout << "Data = " << sFld.Str() << "\n";
if( sFld.Len() > 0 ){
bRecUpdated = xbTrue;
if( fmTemp->cFldType == 'C' || fmTemp->cFldType == 'L' || fmTemp->cFldType == 'D' || fmTemp->cFldType == 'N' || fmTemp->cFldType == 'F' ){
iRc = MyFile->PutField( fmTemp->iFldNo, sFld );
} else if( fmTemp->cFldType == 'M' ){
iRc = MyFile->UpdateMemoField( fmTemp->iFldNo, sFld );
} else {
std::cout << "Field type [" << fmTemp->cFldType << "] not built yet" << std::endl;
}
if( iRc != XB_NO_ERROR && !bQuiet ){
std::cout << "Error [" << iRc << "] on field [" << fmTemp->iFldNo << "] on record [" << ulRecCtr << "]" << std::endl;
}
}
fmTemp = fmTemp->next;
}
if( bRecUpdated ){
iRc = MyFile->AppendRecord();
if( iRc != XB_NO_ERROR ){
if( !bQuiet ){
std::cout << "Error [" << iRc << "] on appending record [" << ulRecCtr << "]" << std::endl;
}
MyFile->Abort();
} else {
iRc = MyFile->Commit();
if( iRc != XB_NO_ERROR ){
if( !bQuiet ){
std::cout << "Error [" << iRc << "] on appending record [" << ulRecCtr << "]" << std::endl;
}
MyFile->Abort();
}
}
}
}
ulRecCtr++;
}
f.xbFclose();
return 0;
}
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