private string ReplaceGroupNumber (Matcher match,
string reformattedPattern,
PatternGrouping patternGrouping,
RegexOptions options) {
int groupNumber = int.Parse (match.group (1));
int javaGroupNumber = groupNumber;
int groupCount = patternGrouping.GroupCount;
if (groupCount == -1) {
if ((options & RegexOptions.ExplicitCapture) == RegexOptions.ExplicitCapture) {
groupCount = 0;
}
else {
groupCount = JavaUtils.GroupCount (reformattedPattern);
}
}
else {
javaGroupNumber = patternGrouping.NetToJavaNumbersMap [groupNumber];
}
if (groupNumber > groupCount) {
return null;
}
return match.replaceFirst (@"\\" + javaGroupNumber);
}
internal static void ReplaceMatch (string replacementPattern, Matcher match, StringBuffer sb, string input, PatternData patternData) {
replacementPattern = JavaUtils.ReplaceAll (replacementPattern, COPY_ENTIRE_MATCH_PATTERN, match.group ());
replacementPattern = JavaUtils.ReplaceAll (replacementPattern, INPUT_BEFORE_MATCH_PATTERN, input.Substring (0, match.start ()));
replacementPattern = JavaUtils.ReplaceAll (replacementPattern, INPUT_AFTER_MATCH_PATTERN, input.Substring (match.end ()));
replacementPattern = JavaUtils.ReplaceAll (replacementPattern, INPUT_PATTERN, input);
int groupsNumber = match.groupCount ();
if (groupsNumber > 0) {
Pattern p = Pattern.compile (LAST_CAPTURED_GROUP_PATTERN);
Matcher m = p.matcher ((CharSequence) (object) replacementPattern);
if (m.find ()) {
while (groupsNumber > 0) {
if (match.start (patternData.NetToJavaNumbersMap [groupsNumber]) >= 0) {
break;
}
--groupsNumber;
}
if (groupsNumber > 0) {
replacementPattern = m.replaceAll (match.group (patternData.NetToJavaNumbersMap [groupsNumber]));
}
}
}
match.appendReplacement (sb, replacementPattern);
}
private string ReplaceGroupName (Matcher match,
string reformattedPattern,
PatternGrouping patternGrouping,
RegexOptions options) {
if (patternGrouping.GroupCount == -1){
return null;
}
string groupName = match.group (1);
Pattern p = Pattern.compile (NUMBER);
Matcher m = p.matcher ((CharSequence) (object) groupName);
if (m.matches ()) {
return ReplaceGroupNumber (match, reformattedPattern, patternGrouping, options);
}
if (!patternGrouping.GroupNameToNumberMap.Contains (groupName)) {
return null;
}
int javaGroupNumber = patternGrouping.NetToJavaNumbersMap [(int) patternGrouping.GroupNameToNumberMap [groupName]];
return match.replaceFirst (@"\\" + javaGroupNumber);
}