public string GetText(SplitItem item)
{
StringBuilder sb = StringBuilderCache.GetInstance();
sb.Append((item.IsGroup) ? Captions.ShortGroup : Captions.ShortSplit);
sb.Append(PrefixSeparator);
if (item.IsGroup)
{
sb.Append(item.Name);
}
else
{
sb.Append(item.Number);
}
sb.Append(' ', SplitWidth - item.Name.Length);
sb.Append(" ");
sb.Append(Captions.ShortIndex);
sb.Append(PrefixSeparator);
sb.Append(' ', IndexWidth - item.Index.GetDigitCount());
sb.Append(item.Index);
sb.Append(" ");
sb.Append(Captions.ShortLength);
sb.Append(PrefixSeparator);
sb.Append(' ', LengthWidth - item.Length.GetDigitCount());
sb.Append(item.Length);
sb.Append(" ");
return(StringBuilderCache.GetStringAndFree(sb));
}
private static List <SplitItem> GetItems(Regex regex, string input, int maxCount, GroupDefinitionCollection groupDefinitions, bool omitGroups, CancellationToken cancellationToken)
{
var splits = new List <SplitItem>();
if (maxCount == 1)
{
splits.Add(SplitItem.Create(input));
return(splits);
}
Match firstMatch = regex.Match(input);
if (!firstMatch.Success)
{
splits.Add(SplitItem.Create(input));
return(splits);
}
int prevIndex = 0;
int count = 0;
int splitNumber = 1;
foreach (Match match in EnumerateMatches(regex, firstMatch, maxCount, cancellationToken))
{
splits.Add(SplitItem.Create(input.Substring(prevIndex, match.Index - prevIndex), prevIndex, splitNumber));
count++;
splitNumber++;
prevIndex = match.Index + match.Length;
if (!omitGroups)
{
if (regex.RightToLeft)
{
for (int i = (groupDefinitions.Count - 1); i >= 0; i--)
{
if (groupDefinitions[i].Number != 0)
{
Group group = match.Groups[groupDefinitions[i].Number];
if (group.Success)
{
splits.Add(SplitItem.Create(group, groupDefinitions[i]));
count++;
}
}
}
}
else
{
foreach (GroupDefinition groupDefinition in groupDefinitions)
{
if (groupDefinition.Number != 0)
{
Group group = match.Groups[groupDefinition.Number];
if (group.Success)
{
splits.Add(SplitItem.Create(group, groupDefinition));
count++;
}
}
}
}
}
}
splits.Add(SplitItem.Create(input.Substring(prevIndex, input.Length - prevIndex), prevIndex, splitNumber));
return(splits);
}
