session-ios/Libraries/ProtocolBuffers/WireFormat.m

32 lines
984 B
Objective-C

// Copyright 2008 Cyrus Najmabadi
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#import "WireFormat.h"
#import "Utilities.h"
int32_t PBWireFormatMakeTag(int32_t fieldNumber, int32_t wireType) {
return (fieldNumber << PBWireFormatTagTypeBits) | wireType;
}
int32_t PBWireFormatGetTagWireType(int32_t tag) {
return tag & PBWireFormatTagTypeMask;
}
int32_t PBWireFormatGetTagFieldNumber(int32_t tag) {
return logicalRightShift32(tag, PBWireFormatTagTypeBits);
}