/// <summary>Load the configuration as a Git text style configuration file.</summary>
/// <remarks>
/// Load the configuration as a Git text style configuration file.
/// <p>
/// If the file does not exist, this configuration is cleared, and thus
/// behaves the same as though the file exists, but is empty.
/// </remarks>
/// <exception cref="System.IO.IOException">the file could not be read (but does exist).
/// </exception>
/// <exception cref="NGit.Errors.ConfigInvalidException">the file is not a properly formatted configuration file.
/// </exception>
public override void Load()
{
FileSnapshot oldSnapshot = snapshot;
FileSnapshot newSnapshot = FileSnapshot.Save(GetFile());
try
{
byte[] @in = IOUtil.ReadFully(GetFile());
ObjectId newHash = Hash(@in);
if (hash.Equals(newHash))
{
if (oldSnapshot.Equals(newSnapshot))
{
oldSnapshot.SetClean(newSnapshot);
}
else
{
snapshot = newSnapshot;
}
}
else
{
string decoded;
if (@in.Length >= 3 && @in[0] == unchecked ((byte)unchecked ((int)(0xEF))) && @in[1
] == unchecked ((byte)unchecked ((int)(0xBB))) && @in[2] == unchecked ((byte)unchecked (
(int)(0xBF))))
{
decoded = RawParseUtils.Decode(RawParseUtils.UTF8_CHARSET, @in, 3, @in.Length);
utf8Bom = true;
}
else
{
decoded = RawParseUtils.Decode(@in);
}
FromText(decoded);
snapshot = newSnapshot;
hash = newHash;
}
}
catch (FileNotFoundException)
{
Clear();
snapshot = newSnapshot;
}
catch (IOException e)
{
IOException e2 = new IOException(MessageFormat.Format(JGitText.Get().cannotReadFile
, GetFile()));
Sharpen.Extensions.InitCause(e2, e);
throw e2;
}
catch (ConfigInvalidException e)
{
throw new ConfigInvalidException(MessageFormat.Format(JGitText.Get().cannotReadFile
, GetFile()), e);
}
}
/// <summary>Load the configuration as a Git text style configuration file.</summary>
/// <remarks>
/// Load the configuration as a Git text style configuration file.
/// <p>
/// If the file does not exist, this configuration is cleared, and thus
/// behaves the same as though the file exists, but is empty.
/// </remarks>
/// <exception cref="System.IO.IOException">the file could not be read (but does exist).
/// </exception>
/// <exception cref="NGit.Errors.ConfigInvalidException">the file is not a properly formatted configuration file.
/// </exception>
public override void Load()
{
FileSnapshot oldSnapshot = snapshot;
FileSnapshot newSnapshot = FileSnapshot.Save(GetFile());
try
{
byte[] @in = IOUtil.ReadFully(GetFile());
ObjectId newHash = Hash(@in);
if (hash.Equals(newHash))
{
if (oldSnapshot.Equals(newSnapshot))
{
oldSnapshot.SetClean(newSnapshot);
}
else
{
snapshot = newSnapshot;
}
}
else
{
FromText(RawParseUtils.Decode(@in));
snapshot = newSnapshot;
hash = newHash;
}
}
catch (FileNotFoundException)
{
Clear();
snapshot = newSnapshot;
}
catch (IOException e)
{
IOException e2 = new IOException(MessageFormat.Format(JGitText.Get().cannotReadFile
, GetFile()));
Sharpen.Extensions.InitCause(e2, e);
throw e2;
}
catch (ConfigInvalidException e)
{
throw new ConfigInvalidException(MessageFormat.Format(JGitText.Get().cannotReadFile
, GetFile()), e);
}
}
/// <exception cref="System.IO.IOException"></exception>
private RefDirectory.LooseRef ScanRef(RefDirectory.LooseRef @ref, string name)
{
FilePath path = FileFor(name);
FileSnapshot currentSnapshot = null;
if (@ref != null)
{
currentSnapshot = @ref.GetSnapShot();
if (!currentSnapshot.IsModified(path))
{
return(@ref);
}
name = @ref.GetName();
}
int limit = 4096;
byte[] buf;
FileSnapshot otherSnapshot = FileSnapshot.Save(path);
try
{
buf = IOUtil.ReadSome(path, limit);
}
catch (FileNotFoundException)
{
return(null);
}
// doesn't exist; not a reference.
int n = buf.Length;
if (n == 0)
{
return(null);
}
// empty file; not a reference.
if (IsSymRef(buf, n))
{
if (n == limit)
{
return(null);
}
// possibly truncated ref
// trim trailing whitespace
while (0 < n && char.IsWhiteSpace((char)buf[n - 1]))
{
n--;
}
if (n < 6)
{
string content = RawParseUtils.Decode(buf, 0, n);
throw new IOException(MessageFormat.Format(JGitText.Get().notARef, name, content)
);
}
string target = RawParseUtils.Decode(buf, 5, n);
if (@ref != null && @ref.IsSymbolic() && @ref.GetTarget().GetName().Equals(target
))
{
currentSnapshot.SetClean(otherSnapshot);
return(@ref);
}
return(NewSymbolicRef(otherSnapshot, name, target));
}
if (n < Constants.OBJECT_ID_STRING_LENGTH)
{
return(null);
}
// impossibly short object identifier; not a reference.
ObjectId id;
try
{
id = ObjectId.FromString(buf, 0);
if (@ref != null && [email protected]() && @ref.GetTarget().GetObjectId().Equals(id
))
{
currentSnapshot.SetClean(otherSnapshot);
return(@ref);
}
}
catch (ArgumentException)
{
while (0 < n && char.IsWhiteSpace((char)buf[n - 1]))
{
n--;
}
string content = RawParseUtils.Decode(buf, 0, n);
throw new IOException(MessageFormat.Format(JGitText.Get().notARef, name, content)
);
}
return(new RefDirectory.LooseUnpeeled(otherSnapshot, name, id));
}
