public static long[] getRangeEndPoints(Map mergeInfo) {
// long[] { youngestRange, oldestRange }
long[] rangePoints = {SVNRepository.INVALID_REVISION, SVNRepository.INVALID_REVISION};
if (mergeInfo != null) {
for (Iterator mergeInfoIter = mergeInfo.keySet().iterator(); mergeInfoIter.hasNext(); ) {
String path = (String) mergeInfoIter.next();
SVNMergeRangeList rangeList = (SVNMergeRangeList) mergeInfo.get(path);
if (!rangeList.isEmpty()) {
SVNMergeRange[] ranges = rangeList.getRanges();
SVNMergeRange range = ranges[ranges.length - 1];
if (!SVNRevision.isValidRevisionNumber(rangePoints[0])
|| range.getEndRevision() > rangePoints[0]) {
rangePoints[0] = range.getEndRevision();
}
range = ranges[0];
if (!SVNRevision.isValidRevisionNumber(rangePoints[1])
|| rangePoints[1] > range.getStartRevision()) {
rangePoints[1] = range.getStartRevision();
}
}
}
}
return rangePoints;
}
public static SVNMergeRange[] parseRevisionList(StringBuffer mergeInfo, String path)
throws SVNException {
Collection ranges = new LinkedList();
while (mergeInfo.length() > 0
&& mergeInfo.charAt(0) != '\n'
&& Character.isWhitespace(mergeInfo.charAt(0))) {
mergeInfo = mergeInfo.deleteCharAt(0);
}
if (mergeInfo.length() == 0 || mergeInfo.charAt(0) == '\n') {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.MERGE_INFO_PARSE_ERROR,
"Mergeinfo for ''{0}'' maps to an empty revision range",
path);
SVNErrorManager.error(err, SVNLogType.DEFAULT);
}
while (mergeInfo.length() > 0 && mergeInfo.charAt(0) != '\n') {
long startRev = parseRevision(mergeInfo);
if (mergeInfo.length() > 0
&& mergeInfo.charAt(0) != '\n'
&& mergeInfo.charAt(0) != '-'
&& mergeInfo.charAt(0) != ','
&& mergeInfo.charAt(0) != '*') {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.MERGE_INFO_PARSE_ERROR,
"Invalid character ''{0}'' found in revision list",
new Character(mergeInfo.charAt(0)));
SVNErrorManager.error(err, SVNLogType.DEFAULT);
}
SVNMergeRange range = new SVNMergeRange(startRev - 1, startRev, true);
if (mergeInfo.length() > 0 && mergeInfo.charAt(0) == '-') {
mergeInfo = mergeInfo.deleteCharAt(0);
long endRev = parseRevision(mergeInfo);
if (startRev > endRev) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.MERGE_INFO_PARSE_ERROR,
"Unable to parse reversed revision range ''{0}-{1}''",
new Object[] {new Long(startRev), new Long(endRev)});
SVNErrorManager.error(err, SVNLogType.DEFAULT);
} else if (startRev == endRev) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.MERGE_INFO_PARSE_ERROR,
"Unable to parse revision range ''{0}-{1}'' with same start and end revisions",
new Object[] {new Long(startRev), new Long(endRev)});
SVNErrorManager.error(err, SVNLogType.DEFAULT);
}
range.setEndRevision(endRev);
}
if (mergeInfo.length() == 0 || mergeInfo.charAt(0) == '\n') {
ranges.add(range);
return (SVNMergeRange[]) ranges.toArray(new SVNMergeRange[ranges.size()]);
} else if (mergeInfo.length() > 0 && mergeInfo.charAt(0) == ',') {
ranges.add(range);
mergeInfo = mergeInfo.deleteCharAt(0);
} else if (mergeInfo.length() > 0 && mergeInfo.charAt(0) == '*') {
range.setInheritable(false);
mergeInfo = mergeInfo.deleteCharAt(0);
if (mergeInfo.length() == 0 || mergeInfo.charAt(0) == ',' || mergeInfo.charAt(0) == '\n') {
ranges.add(range);
if (mergeInfo.length() > 0 && mergeInfo.charAt(0) == ',') {
mergeInfo = mergeInfo.deleteCharAt(0);
} else {
return (SVNMergeRange[]) ranges.toArray(new SVNMergeRange[ranges.size()]);
}
} else {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.MERGE_INFO_PARSE_ERROR,
"Invalid character ''{0}'' found in range list",
mergeInfo.length() > 0 ? mergeInfo.charAt(0) + "" : "");
SVNErrorManager.error(err, SVNLogType.DEFAULT);
}
} else {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.MERGE_INFO_PARSE_ERROR,
"Invalid character ''{0}'' found in range list",
mergeInfo.length() > 0 ? mergeInfo.charAt(0) + "" : "");
SVNErrorManager.error(err, SVNLogType.DEFAULT);
}
}
if (mergeInfo.length() == 0 || mergeInfo.charAt(0) != '\n') {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.MERGE_INFO_PARSE_ERROR,
"Range list parsing ended before hitting newline");
SVNErrorManager.error(err, SVNLogType.DEFAULT);
}
return (SVNMergeRange[]) ranges.toArray(new SVNMergeRange[ranges.size()]);
}
public static Map parseMergeInfo(StringBuffer mergeInfo, Map srcPathsToRangeLists)
throws SVNException {
srcPathsToRangeLists = srcPathsToRangeLists == null ? new TreeMap() : srcPathsToRangeLists;
if (mergeInfo.length() == 0) {
return srcPathsToRangeLists;
}
try {
while (mergeInfo.length() > 0) {
int eolInd = mergeInfo.indexOf("\n");
eolInd = eolInd < 0 ? mergeInfo.length() - 1 : eolInd;
int ind = mergeInfo.lastIndexOf(":", eolInd);
if (ind == -1) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.MERGE_INFO_PARSE_ERROR, "Pathname not terminated by ':'");
SVNErrorManager.error(err, SVNLogType.DEFAULT);
}
if (ind == 0) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.MERGE_INFO_PARSE_ERROR, "No pathname preceding ':'");
SVNErrorManager.error(err, SVNLogType.DEFAULT);
}
String path = null;
if (mergeInfo.charAt(0) == '/') {
path = mergeInfo.substring(0, ind);
} else {
String relativePath = mergeInfo.substring(0, ind);
path = "/" + relativePath;
}
mergeInfo = mergeInfo.delete(0, ind + 1);
SVNMergeRange[] ranges = parseRevisionList(mergeInfo, path);
if (mergeInfo.length() != 0 && mergeInfo.charAt(0) != '\n') {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.MERGE_INFO_PARSE_ERROR,
"Could not find end of line in range list line in ''{0}''",
mergeInfo);
SVNErrorManager.error(err, SVNLogType.DEFAULT);
}
if (mergeInfo.length() > 0) {
mergeInfo = mergeInfo.deleteCharAt(0);
}
if (ranges.length > 1) {
Arrays.sort(ranges);
SVNMergeRange lastRange = ranges[0];
Collection newRanges = new ArrayList();
newRanges.add(lastRange);
for (int i = 1; i < ranges.length; i++) {
SVNMergeRange range = ranges[i];
if (lastRange.getStartRevision() <= range.getEndRevision()
&& range.getStartRevision() <= lastRange.getEndRevision()) {
if (range.getStartRevision() < lastRange.getEndRevision()
&& range.isInheritable() != lastRange.isInheritable()) {
// error.
String r1 = lastRange.toString();
String r2 = range.toString();
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.MERGE_INFO_PARSE_ERROR,
"Unable to parse overlapping revision ranges ''{0}'' and ''{1}'' with different inheritance types",
new Object[] {r1, r2});
SVNErrorManager.error(err, SVNLogType.WC);
}
if (lastRange.isInheritable() == range.isInheritable()) {
lastRange.setEndRevision(
Math.max(range.getEndRevision(), lastRange.getEndRevision()));
continue;
}
}
newRanges.add(ranges[i]);
lastRange = ranges[i];
}
ranges = (SVNMergeRange[]) newRanges.toArray(new SVNMergeRange[newRanges.size()]);
}
SVNMergeRangeList existingRange = (SVNMergeRangeList) srcPathsToRangeLists.get(path);
if (existingRange != null) {
ranges = existingRange.merge(new SVNMergeRangeList(ranges)).getRanges();
}
srcPathsToRangeLists.put(path, new SVNMergeRangeList(ranges));
}
} catch (SVNException svne) {
if (svne.getErrorMessage().getErrorCode() != SVNErrorCode.MERGE_INFO_PARSE_ERROR) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.MERGE_INFO_PARSE_ERROR,
"Could not parse mergeinfo string ''{0}''",
mergeInfo.toString());
SVNErrorManager.error(err, svne, SVNLogType.DEFAULT);
}
throw svne;
}
return srcPathsToRangeLists;
}