/// <summary>
/// Return the value in the column with the given name.
///
/// Will throw if no column with that name exists . Use <see cref="TryGetValue(string, out Value)"/> for non-throwing gets.
/// </summary>
public Value this[string columnName]
{
get
{
long translatedColumnIndex;
if (!Parent.TryLookupTranslatedColumnIndex(columnName, out translatedColumnIndex))
{
throw new KeyNotFoundException($"Could not find column with name \"{columnName}\"");
}
Value value;
if (!Parent.TryGetValueTranslated(TranslatedRowIndex, translatedColumnIndex, out value))
{
var rowIndex = Parent.UntranslateIndex(TranslatedRowIndex);
var columnIndex = Parent.UntranslateIndex(translatedColumnIndex);
long minRowIx, minColIx, maxRowIx, maxColIx;
switch (Parent.Basis)
{
case BasisType.One:
minRowIx = 1;
maxRowIx = Parent.Metadata.NumRows;
minColIx = 1;
maxColIx = Parent.Metadata.Columns.Length;
break;
case BasisType.Zero:
minRowIx = 0;
maxRowIx = Parent.Metadata.NumRows - 1;
minColIx = 0;
maxColIx = Parent.Metadata.Columns.Length - 1;
break;
default: throw new InvalidOperationException($"Unexpected Basis: {Parent.Basis}");
}
throw new ArgumentOutOfRangeException($"Address out of range, legal range is [{minRowIx}, {minColIx}] - [{maxRowIx}, {maxColIx}], found [{rowIndex}, {columnIndex}]");
}
return(value);
}
}
/// <summary>
/// Returns the column with the given name.
///
/// Throws if no column has the given name.
/// </summary>
public Column this[string columnName]
{
get
{
long translatedIndex;
if (!Parent.TryLookupTranslatedColumnIndex(columnName, out translatedIndex))
{
throw new KeyNotFoundException($"Could not find column with name \"{columnName}\"");
}
return(new Column(Parent, translatedIndex));
}
}
