private void Filter()
{
const string COMMENT_PREFIX = "XXX-";
const string DIGITS = "0123456789";
SortedDictionary <string, string> comments = new SortedDictionary <string, string>();
StringBuilder sb = new StringBuilder();
string[] lines = rtxOutput.Lines;
foreach (string line in lines)
{
string[] parts = line.Split(new string[] { COMMENT_PREFIX }, StringSplitOptions.RemoveEmptyEntries);
foreach (string part in parts)
{
string prefix = string.Empty;
string numeric = string.Empty;
string remainder = string.Empty;
string comment = string.Empty;
for (int ptr = 0; ptr < part.Length; ptr++)
{
string digit = part.Substring(ptr, 1);
if (DIGITS.Contains(digit))
{
numeric += digit;
}
else
{
//If number ends before end of line.
if (numeric.Length > 0)
{
prefix = COMMENT_PREFIX + numeric;
remainder = part.Substring(ptr);
remainder = remainder.Trim();
comment = prefix + " " + remainder;
if (comments.ContainsKey(prefix))
{
string existing = comments[prefix];
int existingHyphens = CountLetter(existing, "-");
int candidateHyphens = CountLetter(comment, "-");
int commentLength = comment.Length;
if (candidateHyphens < existingHyphens)
{
commentLength += 12;
}
string candidate = comment;
if (candidateHyphens > 1)
{
candidate = MakeCommentFromBranchName(comment);
}
if (commentLength > comments[prefix].Length)
{
comments[prefix] = candidate;
}
}
else
{
int candidateHyphens = CountLetter(comment, "-");
string candidate = comment;
if (candidateHyphens > 1)
{
candidate = MakeCommentFromBranchName(comment);
}
comments[prefix] = candidate;
}
}
break;
}
}
//If number ends at end of line.
if (numeric.Length > 0)
{
prefix = COMMENT_PREFIX + numeric;
remainder = string.Empty;
comment = prefix;
if (comments.ContainsKey(prefix))
{
if (comment.Length > comments[prefix].Length)
{
comments[prefix] = comment;
}
}
else
{
comments.Add(prefix, comment);
}
}
}
}
foreach (KeyValuePair <string, string> pair in comments)
{
sb.AppendLine(pair.Key);
}
foreach (KeyValuePair <string, string> pair in comments)
{
sb.AppendLine(pair.Value);
}
if (comments.Count > 0)
{
rtxOutput.Text = sb.ToString();
}
}
private static string MakeCommentFromBranchName(string text)
{
const int ZERO = 0;
const string SPACE = " ";
const string HYPHEN = "-";
const string DIGITS = "0123456789";
StringBuilder comment = new StringBuilder();
text = text.Trim() + SPACE;
int pos1 = text.LastIndexOf(HYPHEN);
if (pos1 >= ZERO)
{
int pos2 = text.IndexOf(SPACE, pos1);
if (pos2 >= ZERO)
{
text = text.Substring(ZERO, pos2);
}
bool firstHyphenReached = false;
bool firstDigit = false;
bool endOfPrefix = false;
bool firstDescription = false;
for (int pos = ZERO; pos < text.Length; pos++)
{
String letter = text.Substring(pos, 1);
if (letter == HYPHEN)
{
firstHyphenReached = true;
if (!endOfPrefix)
{
comment.Append(HYPHEN);
endOfPrefix = true;
}
else
{
comment.Append(SPACE);
}
}
else if (DIGITS.Contains(letter))
{
comment.Append(letter);
}
else
{
if (!firstHyphenReached)
{
comment.Append(letter.ToUpper());
}
else
{
if (!firstDescription)
{
if (letter != SPACE)
{
firstDescription = true;
}
if (letter != HYPHEN)
{
comment.Append(letter.ToUpper());
}
}
else
{
comment.Append(letter);
}
}
}
}
}
return(comment.ToString());
}
