protected HgNodeID GetRevlogEntryDataNodeID(HgRevlogEntryData revlogEntryData)
{
return GetRevlogEntryDataNodeID(
revlogEntryData.Entry.FirstParentRevisionNodeID,
revlogEntryData.Entry.SecondParentRevisionNodeID,
revlogEntryData.Data);
}
public HgChangeset ReadChangeset(HgRevlogEntryData revlogEntryData)
{
try
{
return ReadChangesetInternal(revlogEntryData);
}
catch(Exception e)
{
throw;
}
}
private HgChangeset ReadChangesetInternal(HgRevlogEntryData revlogEntryData)
{
var filesStart = revlogEntryData.Data.IndexOfNth((byte)'\n', 3);
var filesEnd = revlogEntryData.Data.IndexOf((byte)'\n', (byte)'\n');
var headerString = hgEncoder.DecodeAsUtf8(revlogEntryData.Data, 0, filesStart);
var filesString =
filesStart == filesEnd ?
"" :
hgEncoder.DecodeAsLocal(
revlogEntryData.Data,
filesStart + 1, // The \n
filesEnd - filesStart - 1);
var commentString = hgEncoder.DecodeAsUtf8(
revlogEntryData.Data,
filesEnd + 2, // These \n\n bytes
revlogEntryData.Data.Length - filesEnd - 2);
var header = headerString.Split(new[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
var manifestNodeID = new HgNodeID(header[0]);
var committedBy = HgAuthor.Parse(header[1]);
var timeParts = header[2].Split(' ');
var time = int.Parse(timeParts[0]);
var timeZone = int.Parse(timeParts[1]);
var branchData = header[2].SubstringAfterNth(" ", 1).Or("branch:default");
var b = branchData.Split('\0').Select(s => new { key = s.Split(':')[0], value = s.Split(':')[1] }).ToDictionary(s => s.key, s => s.value).DefaultableWith(v => "");
var branchName = new HgBranch(b["branch"].Or("default"), b["close"] == "1");
var sourceNodeID = new HgNodeID(b["source"].Or(HgNodeID.Null.Long));
var dateTime = DateTime.SpecifyKind(new DateTime(1970, 1, 1).AddSeconds(time).AddSeconds(-1 * timeZone), DateTimeKind.Local);
var committedAt = new DateTimeOffset(dateTime);
var files = filesString.Split(new[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
var metadata = GetRevlogEntryMetadata(revlogEntryData.Entry);
return new HgChangeset(metadata, manifestNodeID, committedBy, committedAt, branchName, sourceNodeID, files, commentString);
}
private HgRevlogEntryData GetRevlogEntryData(HgRevlogEntryData revlogEntryData)
{
var data = revlogEntryData.Data;
HgFileCopyInfo.ExtractFileCopyInfo(ref data);
//
// Apparently, entries in standins end with \n, so we explicitly limit to 40 bytes
HgNodeID nodeID;
if(HgNodeID.TryParse(Encoding.ASCII.GetString(data, 0, 40), out nodeID))
{
var lfPath = Path.Combine(storeBasePath, @"..\largefiles", nodeID.Long);
if(File.Exists(lfPath))
{
data = File.ReadAllBytes(lfPath);
revlogEntryData = new HgRevlogEntryData(revlogEntryData.Entry, data);
} // if
} // if
return revlogEntryData;
}
public HgManifestEntry ReadManifestEntry(HgRevlogEntryData revlogEntryData)
{
var data = revlogEntryData.Data;
var lines = data.Split((byte)'\n');
var files = new List<HgManifestFileEntry>(lines.Length);
foreach(var line in lines)
{
var z = Array.IndexOf(data, (byte)0, line.Offset) - line.Offset;
var path = hgEncoder.DecodeAsLocal(data, line.Offset, z);
var nodeID = Encoding.ASCII.GetString(data, line.Offset + z + 1, line.Length - z - 2);
if(nodeID.Length > 40)
nodeID = nodeID.Substring(0, 40);
files.Add(new HgManifestFileEntry(GetManifestEntryPath(path), new HgNodeID(nodeID)));
} // foreach
return new HgManifestEntry(GetRevlogEntryMetadata(revlogEntryData.Entry), files);
}