/// <summary>
/// Construct a BaseTabularReader to read the given stream.
/// </summary>
/// <param name="stream">Stream to read</param>
/// <param name="hasHeaderRow">True to read the first row as column names, False not to pre-read anything</param>
public BaseTabularReader(Stream stream, bool hasHeaderRow = true)
{
_reader = new BufferedRowReader(stream, SplitRows);
_columnHeadingsList = new List <string>();
_columnHeadings = new Dictionary <string, int>(StringComparer.OrdinalIgnoreCase);
_cellPositionArray = new PartialArray <int>(1024, false);
// Read the heading row and record heading positions
if (hasHeaderRow)
{
if (!NextRow())
{
throw new IOException("Reader didn't find any rows when trying to read a header row.");
}
for (int i = 0; i < _currentRowColumns.Count; ++i)
{
string columnName = this.Current(i).ToString();
_columnHeadingsList.Add(columnName);
_columnHeadings[columnName] = i;
}
// Header row doesn't count toward row count read
RowCountRead = 0;
}
}
public void Dispose()
{
if (_reader != null)
{
_reader.Dispose();
_reader = null;
}
}
private void ReadColumns(Stream stream)
{
// Make a reader to split the input on newlines
BufferedRowReader reader = new BufferedRowReader(stream, (block, array) => block.Split(UTF8.Newline, array));
// Scan the lines for column names (something before a colon)
while (true)
{
String8 line = reader.NextRow();
if (line.IsEmpty())
{
break;
}
ReadColumnLine(line);
}
// Reset the stream for the second read
stream.Seek(0, SeekOrigin.Begin);
}
public LdfTabularReader(Stream stream)
{
_reader = new BufferedRowReader(stream, SplitRows);
_columnNamesBlock = new String8Block();
_columnIndices8 = new Dictionary <String8, int>();
_columnIndices = new Dictionary <string, int>(StringComparer.OrdinalIgnoreCase);
_columnNames = new List <string>();
_currentRowBlock = new String8Block();
_lineArray = new PartialArray <int>(1024, false);
ReadColumns(stream);
_currentRowValues = new String8TabularValue[_columnNames.Count];
for (int i = 0; i < _currentRowValues.Length; ++i)
{
_currentRowValues[i] = new String8TabularValue();
}
}
