private int[] FixWidths(IEnumerable <string[]> rows, TableFormat tableFormat, int[] columnsToAutoAdjust)
{
var widths = tableFormat.Widths;
bool autoAlign = !columnsToAutoAdjust.IsNullOrEmpty();
if (autoAlign)
{
var maxWidths = new int[widths.Length];
Array.Copy(widths, maxWidths, widths.Length);
foreach (var row in rows)
{
foreach (var i in columnsToAutoAdjust)
{
maxWidths[i] = Math.Max((row.SafeFromIndex(i) ?? string.Empty).Length, maxWidths[i]);
}
}
widths = maxWidths.ToArray();
}
var spacerWidth =
new[]
{
tableFormat.Spacer4Header.Length,
tableFormat.Spacer4FirstRow.Length,
tableFormat.Spacer4OtherRows.Length
}.Max();
var screenWidth = _getScreenWidth() - tableFormat.Indent.Length - spacerWidth;
var totalWidth = 0;
for (int index = 0; index < widths.Length; index++)
{
var width = widths[index];
if (totalWidth > screenWidth)
{
widths[index] = 0;
}
else if (totalWidth + width > screenWidth)
{
widths[index] = screenWidth - totalWidth;
totalWidth = screenWidth;
}
else
{
totalWidth += width;
}
}
return(widths);
}
public void WriteTable(string[] headers, IEnumerable<string[]> rows, TableFormat tableFormat = null)
{
var lines = Enumerable.Empty<string>();
if (headers != null)
{
lines = lines.Union(headers);
}
if (rows != null)
{
lines = lines.Union(rows.Select(cells => string.Join(" - ", cells)));
}
Log.Info(lines.Dump());
}
public void WriteTable(string[] headers, IEnumerable <string[]> rows, TableFormat tableFormat = null)
{
var lines = Enumerable.Empty <string>();
if (headers != null)
{
lines = lines.Union(headers);
}
if (rows != null)
{
lines = lines.Union(rows.Select(cells => string.Join(" - ", cells)));
}
Log.Info(lines.Dump());
}
internal static IEnumerable <string> PivotChunks(this string[] cells, TableFormat tableFormat)
{
if (cells.IsNullOrEmpty())
{
yield break;
}
var widths = tableFormat.Widths;
var spacer = tableFormat.Spacer4FirstRow;
//break cells into lines
var cellsWithLines = new List <string> [cells.Length];
var maxLineCount = 0;
for (int i = 0; i < cells.Length; i++)
{
var width = widths.SafeFromIndex(i);
var lines = cells[i].GetChunks(width).ToList();
cellsWithLines[i] = lines;
maxLineCount = Math.Max(maxLineCount, lines.Count);
}
//construct each line
var line = new StringBuilder();
for (int l = 0; l < maxLineCount; l++)
{
line.Append(tableFormat.Indent);
for (int c = 0; c < cellsWithLines.Length; c++)
{
var cell = cellsWithLines[c];
var cellLine = cell.SafeFromIndex(l);
var width = widths.SafeFromIndex(c);
if (c > 0)
{
line.Append(spacer);
}
line.Append(cellLine == null
? "".PadRight(width)
: cellLine.PadRight(width));
}
yield return(line.ToString());
line.Length = 0;
spacer = tableFormat.Spacer4OtherRows;
}
}
internal static IEnumerable<string> PivotChunks(this string[] cells, TableFormat tableFormat)
{
if (cells.IsNullOrEmpty())
{
yield break;
}
var widths = tableFormat.Widths;
var spacer = tableFormat.Spacer4FirstRow;
//break cells into lines
var cellsWithLines = new List<string>[cells.Length];
var maxLineCount = 0;
for (int i = 0; i < cells.Length; i++)
{
var width = widths.SafeFromIndex(i);
var lines = cells[i].GetChunks(width).ToList();
cellsWithLines[i] = lines;
maxLineCount = Math.Max(maxLineCount, lines.Count);
}
//construct each line
var line = new StringBuilder();
for (int l = 0; l < maxLineCount; l++)
{
line.Append(tableFormat.Indent);
for (int c = 0; c < cellsWithLines.Length; c++)
{
var cell = cellsWithLines[c];
var cellLine = cell.SafeFromIndex(l);
var width = widths.SafeFromIndex(c);
if (c > 0)
{
line.Append(spacer);
}
line.Append(cellLine == null
? "".PadRight(width)
: cellLine.PadRight(width));
}
yield return line.ToString();
line.Length = 0;
spacer = tableFormat.Spacer4OtherRows;
}
}
/// <summary></summary>
public void WriteTable(string[] headers, IEnumerable <string[]> rows, TableFormat tableFormat = null)
{
tableFormat = tableFormat == null
? new TableFormat()
: tableFormat.Clone();
var columnsToAutoAdjust = tableFormat.Widths
.Select((width, index) => width >= 0 ? -1 : index)
.Where(i => i >= 0)
.ToArray();
//if we need to autoalign, make sure we only enumerate the rows once
// in case it can't be enumerated a second time
var safeRows = columnsToAutoAdjust.IsNullOrEmpty() ? rows : rows.ToList();
tableFormat.Widths = FixWidths(safeRows, tableFormat, columnsToAutoAdjust);
if (!headers.IsNullOrEmpty())
{
headers.PivotChunks(tableFormat)
.ForEach(_writer.WriteLine);
}
if (safeRows.IsNullOrEmpty())
{
return;
}
foreach (var row in safeRows)
{
if (row.IsNullOrEmpty())
{
_writer.WriteLine();
continue;
}
row.PivotChunks(tableFormat)
.ForEach(_writer.WriteLine);
}
}
public void WriteTable(string[] headers, IEnumerable <string[]> rows, TableFormat tableFormat = null)
{
_innerWriters.ForEach(w => w.WriteTable(headers, rows, tableFormat));
}
public void WriteTable(string[] headers, IEnumerable<string[]> rows, TableFormat tableFormat = null)
{
_innerWriters.ForEach(w => w.WriteTable(headers, rows, tableFormat));
}