internal static unsafe T BuildFromPtr <T>(git_reference *handle, Repository repo) where T : Reference
{
GitReferenceType type = Proxy.git_reference_type(handle);
string name = Proxy.git_reference_name(handle);
Reference reference;
switch (type)
{
case GitReferenceType.Symbolic:
string targetIdentifier = Proxy.git_reference_symbolic_target(handle);
var targetRef = repo.Refs[targetIdentifier];
reference = new SymbolicReference(repo, name, targetIdentifier, targetRef);
break;
case GitReferenceType.Oid:
ObjectId targetOid = Proxy.git_reference_target(handle);
reference = new DirectReference(name, repo, targetOid);
break;
default:
throw new LibGit2SharpException("Unable to build a new reference from a type '{0}'.", type);
}
return(reference as T);
}
private static T BuildFromPtr <T>(IntPtr ptr, Repository repo) where T : Reference
{
if (ptr == IntPtr.Zero)
{
return(default(T));
}
string name = NativeMethods.git_reference_name(ptr).MarshallAsString();
GitReferenceType type = NativeMethods.git_reference_type(ptr);
Reference reference;
switch (type)
{
case GitReferenceType.Symbolic:
IntPtr resolveRef;
var targetIdentifier = NativeMethods.git_reference_target(ptr).MarshallAsString();
int res = NativeMethods.git_reference_resolve(out resolveRef, ptr);
if (res == (int)GitErrorCode.GIT_ENOTFOUND)
{
reference = new SymbolicReference {
CanonicalName = name, Target = null, TargetIdentifier = targetIdentifier
};
break;
}
Ensure.Success(res);
var targetRef = BuildFromPtrAndRelease <DirectReference>(resolveRef, repo);
reference = new SymbolicReference {
CanonicalName = name, Target = targetRef, TargetIdentifier = targetIdentifier
};
break;
case GitReferenceType.Oid:
IntPtr oidPtr = NativeMethods.git_reference_oid(ptr);
var oid = (GitOid)Marshal.PtrToStructure(oidPtr, typeof(GitOid));
var targetOid = new ObjectId(oid);
var targetBuilder = new Lazy <GitObject>(() => repo.Lookup(targetOid));
reference = new DirectReference(targetBuilder)
{
CanonicalName = name, TargetIdentifier = targetOid.Sha
};
break;
default:
throw new LibGit2Exception(String.Format(CultureInfo.InvariantCulture, "Unable to build a new reference from a type '{0}'.", Enum.GetName(typeof(GitReferenceType), type)));
}
return(reference as T);
}
internal static T BuildFromPtr <T>(ReferenceSafeHandle handle, Repository repo) where T : Reference
{
GitReferenceType type = NativeMethods.git_reference_type(handle);
string name = NativeMethods.git_reference_name(handle);
Reference reference;
switch (type)
{
case GitReferenceType.Symbolic:
string targetIdentifier = NativeMethods.git_reference_target(handle);
using (ReferenceSafeHandle resolvedHandle = PeelToDirectReference(handle))
{
if (resolvedHandle == null)
{
reference = new SymbolicReference {
CanonicalName = name, Target = null, TargetIdentifier = targetIdentifier
};
break;
}
var targetRef = BuildFromPtr <DirectReference>(resolvedHandle, repo);
reference = new SymbolicReference {
CanonicalName = name, Target = targetRef, TargetIdentifier = targetIdentifier
};
break;
}
case GitReferenceType.Oid:
ObjectId targetOid = NativeMethods.git_reference_oid(handle).MarshalAsObjectId();
var targetBuilder = new Lazy <GitObject>(() => repo.Lookup(targetOid));
reference = new DirectReference(targetBuilder)
{
CanonicalName = name, TargetIdentifier = targetOid.Sha
};
break;
default:
throw new LibGit2Exception(String.Format(CultureInfo.InvariantCulture, "Unable to build a new reference from a type '{0}'.", Enum.GetName(typeof(GitReferenceType), type)));
}
return(reference as T);
}
internal static T BuildFromPtr <T>(ReferenceSafeHandle handle, Repository repo) where T : Reference
{
GitReferenceType type = Proxy.git_reference_type(handle);
string name = Proxy.git_reference_name(handle);
Reference reference;
switch (type)
{
case GitReferenceType.Symbolic:
string targetIdentifier = Proxy.git_reference_target(handle);
using (ReferenceSafeHandle resolvedHandle = Proxy.git_reference_resolve(handle))
{
if (resolvedHandle == null)
{
reference = new SymbolicReference(name, targetIdentifier, null);
break;
}
var targetRef = BuildFromPtr <DirectReference>(resolvedHandle, repo);
reference = new SymbolicReference(name, targetIdentifier, targetRef);
break;
}
case GitReferenceType.Oid:
ObjectId targetOid = Proxy.git_reference_oid(handle);
reference = new DirectReference(name, repo, targetOid);
break;
default:
throw new LibGit2SharpException(String.Format(CultureInfo.InvariantCulture, "Unable to build a new reference from a type '{0}'.", type));
}
return(reference as T);
}