// TODO review code in this method and try to simplify
internal static string FormatTimeSeries <TIndex, TData>(TimeSeries <TIndex, TData> timeSeries,
int maxNumRowsToPrint, Func <TIndex, string> indexFormatter, Func <TData, string> dataFormatter)
where TIndex : ITimePeriod <TIndex>
{
if (maxNumRowsToPrint != -1 && maxNumRowsToPrint < 1)
{
throw new ArgumentException("maxNumRowsToPrint must be either equal to -1, or greater than 0", nameof(maxNumRowsToPrint));
}
var stringBuilder = new StringBuilder();
stringBuilder.AppendLine($"Count = {timeSeries.Count}");
if (maxNumRowsToPrint == -1 || maxNumRowsToPrint > 1)
{
int rowToPrintBreak = -1;
if (maxNumRowsToPrint != -1 && timeSeries.Count + 1 > maxNumRowsToPrint)
{
rowToPrintBreak = (maxNumRowsToPrint + 1) / 2 - 1;
}
var rowsFormatted = new List <(string IndexFormatted, string DataFormatted)>(timeSeries.Count);
int rowToPrintBreakOriginal = rowToPrintBreak;
for (var i = 0; i < timeSeries.Count; i++)
{
if (i == rowToPrintBreak)
{
i = timeSeries.Count - i - 1 + (maxNumRowsToPrint & 1);
rowToPrintBreak = -1;
}
else
{
string indexFormatted = indexFormatter(timeSeries.Indices[i]);
string dataFormatted = dataFormatter(timeSeries[i]);
rowsFormatted.Add((indexFormatted, dataFormatted));
}
}
int maxTotalWidth;
int maxIndexWidth = 0;
if (rowsFormatted.Count == 0)
{
maxTotalWidth = $"Count = {timeSeries.Count}".Length;
}
else
{
maxIndexWidth = rowsFormatted.Max(tuple => tuple.IndexFormatted.Length);
maxTotalWidth = maxIndexWidth + rowsFormatted.Max(tuple => tuple.DataFormatted.Length) + 2;
}
for (var i = 0; i < rowsFormatted.Count; i++)
{
if (i == rowToPrintBreakOriginal)
{
stringBuilder.AppendLine(new string('.', maxTotalWidth));
}
var(indexFormatted, dataFormatted) = rowsFormatted[i];
string row = indexFormatted.PadRight(maxIndexWidth + 2, ' ') +
dataFormatted;
stringBuilder.AppendLine(row);
}
if (rowToPrintBreakOriginal >= rowsFormatted.Count)
{
stringBuilder.AppendLine(new string('.', maxTotalWidth));
}
}
return(stringBuilder.ToString().TrimEnd());
}
public static string FormatIndex <TIndex, TData>(this TimeSeries <TIndex, TData> timeSeries,
string indexFormat, int maxNumRowsToPrint)
where TIndex : ITimePeriod <TIndex>, IFormattable
{
return(timeSeries.FormatIndex(indexFormat, Thread.CurrentThread.CurrentCulture, maxNumRowsToPrint));
}
public static string FormatData <TIndex, TData>(this TimeSeries <TIndex, TData> timeSeries, string dataFormat)
where TIndex : ITimePeriod <TIndex>
where TData : IFormattable
{
return(timeSeries.FormatData(dataFormat, Thread.CurrentThread.CurrentCulture, DefaultNumRowsToPrint));
}
public static string FormatIndex <TIndex, TData>(this TimeSeries <TIndex, TData> timeSeries,
string indexFormat, IFormatProvider indexFormatProvider)
where TIndex : ITimePeriod <TIndex>, IFormattable
{
return(timeSeries.FormatIndex(indexFormat, indexFormatProvider, DefaultNumRowsToPrint));
}