private void ShowFormattedSummary(IndentingTextWriter writer, string summary, int?columns)
{
_env.AssertValue(writer);
if (string.IsNullOrWhiteSpace(summary))
{
return;
}
// REVIEW: should we replace consecutive spaces with a single space as a preprocessing step?
int screenWidth = (columns ?? CmdParser.GetConsoleWindowWidth()) - 1;
// GetConsoleWindowWidth returns 0 if command redirection operator is used
if (screenWidth <= 0)
{
screenWidth = 80;
}
const int indentLen = 3;
string indent = new string(' ', indentLen);
var builder = new StringBuilder();
// REVIEW: is using StringSplitOptions.RemoveEmptyEntries the right thing to do here?
var blocks = summary.Split(new[] { "\n", "\r" }, StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < blocks.Length; i++)
{
AppendFormattedText(builder, blocks[i], indent, screenWidth);
}
writer.WriteLine("Summary:");
writer.WriteLine(builder);
}