public void AddColumn(string label, SqlType type, Expression expr)
{
OutputExpression outExpr = new OutputExpression();
outExpr.label = label;
outExpr.type = type;
outExpr.expression = expr;
// If the expression is a 'FETCHVAR' type then we pass it through the
// blob accessor methods in hopes of not having to materialize large
// objects.
if (expr is FetchVariableExpression)
outExpr.var = ((FetchVariableExpression)expr).Variable;
outputExps.Add(outExpr);
}
// returns empty string if cannot convert.
public string Convert(string line)
{
//Regex expression = new Regex(OutputIdentifier);
if (OutputExpression.IsMatch(line))
{
string filename = OutputExpression.Replace(line, FilenameIdentifier);
// GetFullPath may throw an exception.
try
{
string fullPath = Path.GetFullPath(filename);
string remainder = OutputExpression.Replace(line, RemainderIdentifier);
string newLine = fullPath + remainder;
return(newLine);
}
catch
{
}
}
return(string.Empty);
}