private void AutoFormatAllColumns(List <Row> prefetchRows, bool prefetchedAll)
{
int columnCount = columnDescriptors.Count;
for (int i = 0; i < columnCount; ++i)
{
List <object> columnValues = new List <object>(prefetchRows.Count);
foreach (Row row in prefetchRows)
{
object columnValue = row[i];
columnValues.Add(columnValue);
}
ColumnDescriptor columnDescriptor = this.columnDescriptors[i];
ColumnFormat columnFormat = columnDescriptor.Format;
if (prefetchedAll && AreAllColumnValuesNull(columnValues))
{
columnFormat.MaxWidth = ColumnFormat.NullText.Length;
}
else
{
columnFormat.AutoFormat(columnValues, prefetchedAll);
}
if (columnFormat.LimitWidthByUserOptions && columnFormat.MaxWidth > this.options.MaxResultColumnWidth)
{
columnFormat.MaxWidth = this.options.MaxResultColumnWidth;
}
if (columnFormat.MaxWidth < columnDescriptor.Name.Length)
{
columnFormat.MaxWidth = columnDescriptor.Name.Length;
}
}
}
public ColumnDescriptor(int index, string name, Type type, int maxWidth)
{
this.index = index;
this.name = name;
this.type = type;
if (maxWidth <= name.Length)
{
maxWidth = name.Length;
}
columnFormat = GetColumnFormat(type, maxWidth);
}
public void TraceRow(TextWriter output, Row row)
{
int columnCount = row.Count;
int maxLineCount = 0;
int totalWidth = 0;
// Split each column into several lines.
List <string>[] allColumnLines = new List <string> [columnDescriptors.Count];
for (int i = 0; i < columnCount; ++i)
{
ColumnDescriptor columnDescriptor = this.columnDescriptors[i];
ColumnFormat columnFormat = columnDescriptor.Format;
object columnValue = row[i];
string columnText = columnFormat.Format(columnValue);
List <string> columnLines = BreakColumnText(columnDescriptor, columnText);
int columnLineCount = columnLines.Count;
if (columnLineCount > maxLineCount)
{
maxLineCount = columnLineCount;
}
allColumnLines[i] = columnLines;
totalWidth += columnFormat.MaxWidth + 1;
}
for (int lineIndex = 0; lineIndex < maxLineCount; ++lineIndex)
{
StringBuilder rowBuffer = new StringBuilder(totalWidth);
for (int i = 0; i < ColumnCount; ++i)
{
var columnInfo = columnDescriptors[i];
var columnFormat = columnInfo.Format;
var columnLines = allColumnLines[i];
bool isLastColumn = IsLastNonEmptyColumn(allColumnLines, lineIndex, i);
if (lineIndex < columnLines.Count)
{
string lineText = columnLines[lineIndex];
rowBuffer.Append(lineText);
// Fill with blanks upon the beginning of the next column
if (isLastColumn)
{
rowBuffer.Append(' ');
}
else
{
rowBuffer.Append(new string( ' ', columnFormat.MaxWidth - lineText.Length + 1 ));
}
}
else
{
// Fill with blanks upon the beginning of the next column
if (isLastColumn)
{
rowBuffer.Append(' ');
}
else
{
rowBuffer.Append(new string( ' ', columnFormat.MaxWidth + 1 ));
}
}
}
output.WriteLine(rowBuffer.ToString());
}
}