int
OperatorUtils::SaveMatrix( const QString& inFileName, const Param& inParam )
{
if( inFileName.isEmpty() )
return CouldNotWrite;
bool saveAsMatrix = ( QFileInfo( inFileName ).suffix() == MATRIX_EXTENSION );
if( !saveAsMatrix )
{
bool isNested = false;
for( int row = 0; row < inParam.NumRows(); ++row )
for( int col = 0; col < inParam.NumColumns(); ++col )
isNested = isNested | ( inParam.Value( row, col ).Kind() != Param::ParamValue::Single );
if( isNested )
return CannotWriteNestedMatrixAsText;
}
ofstream output( inFileName.toLocal8Bit() );
if( saveAsMatrix )
{
output << inParam;
}
else
{
for( int row = 0; row < inParam.NumRows(); ++row )
{
int col = 0;
while( col < inParam.NumColumns() - 1 )
output << inParam.Value( row, col++ ) << '\t';
output << inParam.Value( row, col ) << endl;
}
}
return output ? NoError : CouldNotWrite;
}
int
OperatorUtils::LoadMatrix( const QString& inFileName, Param& outParam )
{
if( inFileName.isEmpty() )
return MatNotFound;
if( QFileInfo( inFileName ).suffix() == MATRIX_EXTENSION )
{
ParamList paramsFromFile;
paramsFromFile.Load( inFileName.toLocal8Bit().constData(), true );
if( paramsFromFile.Size() == 0 )
return MatNotFound;
if( paramsFromFile.Size() > 1 )
return MatMultipleParams;
Param p = paramsFromFile[0];
outParam.SetDimensions( p.NumRows(), p.NumColumns() );
for( int row = 0; row < p.NumRows(); ++row )
for( int col = 0; col < p.NumColumns(); ++col )
outParam.Value( row, col ) = p.Value( row, col );
outParam.RowLabels() = p.RowLabels();
outParam.ColumnLabels() = p.ColumnLabels();
}
else
{
ifstream input( inFileName.toLocal8Bit() );
input.clear();
vector<vector<string> > matrix;
string line;
while( getline( input, line ) )
{
istringstream is( line );
vector<string> row;
string value;
while( getline( is, value, '\t' ) )
row.push_back( value );
if( !row.empty() )
matrix.push_back( row );
}
if( matrix.empty() )
return MatNotFound;
size_t numRows = matrix.size(),
numCols = matrix[ 0 ].size();
for( size_t row = 1; row < numRows; ++row )
if( matrix[ row ].size() != numCols )
return MatLoadColsDiff;
outParam.SetDimensions( numRows, numCols );
for( size_t row = 0; row < numRows; ++row )
for( size_t col = 0; col < numCols; ++col )
{
istringstream iss( matrix[ row ][ col ] );
iss >> outParam.Value( row, col );
}
}
return NoError;
}
////////////////////////////////////////////////////////////////////////////////
// MatlabEngine::StringMatrix definitions //
////////////////////////////////////////////////////////////////////////////////
MatlabEngine::StringMatrix::StringMatrix( const Param& p )
: vector<vector<string> >( p.NumRows(), vector<string>( p.NumColumns() ) )
{
for( size_t row = 0; row < size(); ++row )
for( size_t column = 0; column < ( *this )[ row ].size(); ++column )
( *this )[ row ][ column ] = p.Value( row, column );
}