private static void HandleError(int result)
{
string errorMessage;
GitError error = null;
var errHandle = NativeMethods.giterr_last();
if (errHandle != null && !errHandle.IsInvalid)
{
error = errHandle.MarshalAsGitError();
}
if (error == null)
{
error = new GitError {
Category = GitErrorCategory.Unknown, Message = IntPtr.Zero
};
errorMessage = "No error message has been provided by the native library";
}
else
{
errorMessage = LaxUtf8Marshaler.FromNative(error.Message);
}
Func <string, GitErrorCode, GitErrorCategory, LibGit2SharpException> exceptionBuilder;
if (!GitErrorsToLibGit2SharpExceptions.TryGetValue((GitErrorCode)result, out exceptionBuilder))
{
exceptionBuilder = (m, r, c) => new LibGit2SharpException(m, r, c);
}
throw exceptionBuilder(errorMessage, (GitErrorCode)result, error.Category);
}
private static void HandleError(int result)
{
string errorMessage;
GitError error = NativeMethods.giterr_last().MarshalAsGitError();
if (error == null)
{
error = new GitError {
Category = GitErrorCategory.Unknown, Message = IntPtr.Zero
};
errorMessage = "No error message has been provided by the native library";
}
else
{
errorMessage = Utf8Marshaler.FromNative(error.Message);
}
switch (result)
{
case (int)GitErrorCode.User:
throw new UserCancelledException(errorMessage, (GitErrorCode)result, error.Category);
case (int)GitErrorCode.BareRepo:
throw new BareRepositoryException(errorMessage, (GitErrorCode)result, error.Category);
case (int)GitErrorCode.Exists:
throw new NameConflictException(errorMessage, (GitErrorCode)result, error.Category);
case (int)GitErrorCode.InvalidSpecification:
throw new InvalidSpecificationException(errorMessage, (GitErrorCode)result, error.Category);
case (int)GitErrorCode.UnmergedEntries:
throw new UnmergedIndexEntriesException(errorMessage, (GitErrorCode)result, error.Category);
case (int)GitErrorCode.NonFastForward:
throw new NonFastForwardException(errorMessage, (GitErrorCode)result, error.Category);
case (int)GitErrorCode.MergeConflict:
throw new MergeConflictException(errorMessage, (GitErrorCode)result, error.Category);
default:
throw new LibGit2SharpException(errorMessage, (GitErrorCode)result, error.Category);
}
}
/// <summary>
/// Check that the result of a C call was successful
/// <para>
/// This usually means that the method is expected to return 0.
/// In some rare cases, some methods may return negative values for errors and
/// positive values carrying information. Those positive values should be interpreted
/// as successful calls as well.
/// </para>
/// </summary>
/// <param name = "result">The result to examine.</param>
/// <param name = "allowPositiveResult">False to only allow success when comparing against 0,
/// True when positive values are allowed as well.</param>
public static void Success(int result, bool allowPositiveResult = false)
{
if (result == (int)GitErrorCode.GIT_OK)
{
return;
}
if (allowPositiveResult && result > (int)GitErrorCode.GIT_OK)
{
return;
}
GitError error = NativeMethods.giterr_last().MarshalAsGitError();
var errorMessage = (string)marshaler.MarshalNativeToManaged(error.Message);
throw new LibGit2Exception(
String.Format(CultureInfo.InvariantCulture, "An error was raised by libgit2. Class = {0} ({1}).{2}{3}",
Enum.GetName(typeof(GitErrorType), error.Klass),
result,
Environment.NewLine,
errorMessage));
}
