/// <exception cref="System.IO.IOException"></exception>
/// <exception cref="NGit.Diff.SimilarityIndex.TableFullException"></exception>
private SimilarityIndex Hash(DiffEntry.Side side, DiffEntry ent)
{
SimilarityIndex r = new SimilarityIndex();
r.Hash(reader.Open(side, ent));
r.Sort();
return(r);
}
/// <summary>Open the object.</summary>
/// <remarks>Open the object.</remarks>
/// <param name="side">which side of the entry to read (OLD or NEW).</param>
/// <param name="ent">the entry to examine.</param>
/// <returns>
/// a loader that can supply the content of the file. The loader
/// must be used before another loader can be obtained from this
/// same source.
/// </returns>
/// <exception cref="System.IO.IOException">the file cannot be accessed.</exception>
public ObjectLoader Open(DiffEntry.Side side, DiffEntry ent)
{
switch (side)
{
case DiffEntry.Side.OLD:
{
return(oldSource.Open(ent.oldPath, ent.oldId.ToObjectId()));
}
case DiffEntry.Side.NEW:
{
return(newSource.Open(ent.newPath, ent.newId.ToObjectId()));
}
default:
{
throw new ArgumentException();
}
}
}
/// <summary>Get the object id.</summary>
/// <remarks>Get the object id.</remarks>
/// <param name="side">the side of the id to get.</param>
/// <returns>the object id; null if there is no index line</returns>
public virtual AbbreviatedObjectId GetId(DiffEntry.Side side)
{
return(side == DiffEntry.Side.OLD ? GetOldId() : GetNewId());
}
/// <summary>Get the mode associated with this file.</summary>
/// <remarks>Get the mode associated with this file.</remarks>
/// <param name="side">which mode to obtain.</param>
/// <returns>the mode.</returns>
public virtual FileMode GetMode(DiffEntry.Side side)
{
return(side == DiffEntry.Side.OLD ? GetOldMode() : GetNewMode());
}
/// <summary>Get the path associated with this file.</summary>
/// <remarks>Get the path associated with this file.</remarks>
/// <param name="side">which path to obtain.</param>
/// <returns>name for this file.</returns>
public virtual string GetPath(DiffEntry.Side side)
{
return(side == DiffEntry.Side.OLD ? GetOldPath() : GetNewPath());
}
/// <exception cref="System.IO.IOException"></exception>
private byte[] Open(DiffEntry.Side side, DiffEntry entry)
{
if (entry.GetMode(side) == FileMode.MISSING)
{
return(EMPTY);
}
if (entry.GetMode(side).GetObjectType() != Constants.OBJ_BLOB)
{
return(EMPTY);
}
if (IsBinary())
{
return(BINARY);
}
AbbreviatedObjectId id = entry.GetId(side);
if (!id.IsComplete)
{
ICollection <ObjectId> ids = reader.Resolve(id);
if (ids.Count == 1)
{
id = AbbreviatedObjectId.FromObjectId(ids.Iterator().Next());
switch (side)
{
case DiffEntry.Side.OLD:
{
entry.oldId = id;
break;
}
case DiffEntry.Side.NEW:
{
entry.newId = id;
break;
}
}
}
else
{
if (ids.Count == 0)
{
throw new MissingObjectException(id, Constants.OBJ_BLOB);
}
else
{
throw new AmbiguousObjectException(id, ids);
}
}
}
try
{
ObjectLoader ldr = source.Open(side, entry);
return(ldr.GetBytes(binaryFileThreshold));
}
catch (LargeObjectException.ExceedsLimit)
{
return(BINARY);
}
catch (LargeObjectException.ExceedsByteArrayLimit)
{
return(BINARY);
}
catch (LargeObjectException.OutOfMemory)
{
return(BINARY);
}
catch (LargeObjectException tooBig)
{
tooBig.SetObjectId(id.ToObjectId());
throw;
}
}
/// <exception cref="System.IO.IOException"></exception>
private long Size(DiffEntry.Side side, DiffEntry ent)
{
return(reader.Size(side, ent));
}
