// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
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// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
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// in the documentation and/or other materials provided with the
// distribution.
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// this software without specific prior written permission.
//
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#import "GPBRuntimeTypes.h"

CF_EXTERN_C_BEGIN

NS_ASSUME_NONNULL_BEGIN

typedef enum {
  GPBWireFormatVarint = 0,
  GPBWireFormatFixed64 = 1,
  GPBWireFormatLengthDelimited = 2,
  GPBWireFormatStartGroup = 3,
  GPBWireFormatEndGroup = 4,
  GPBWireFormatFixed32 = 5,
} GPBWireFormat;

enum {
  GPBWireFormatMessageSetItem = 1,
  GPBWireFormatMessageSetTypeId = 2,
  GPBWireFormatMessageSetMessage = 3
};

uint32_t GPBWireFormatMakeTag(uint32_t fieldNumber, GPBWireFormat wireType)
    __attribute__((const));
GPBWireFormat GPBWireFormatGetTagWireType(uint32_t tag) __attribute__((const));
uint32_t GPBWireFormatGetTagFieldNumber(uint32_t tag) __attribute__((const));
BOOL GPBWireFormatIsValidTag(uint32_t tag) __attribute__((const));

GPBWireFormat GPBWireFormatForType(GPBDataType dataType, BOOL isPacked)
    __attribute__((const));

#define GPBWireFormatMessageSetItemTag \
  (GPBWireFormatMakeTag(GPBWireFormatMessageSetItem, GPBWireFormatStartGroup))
#define GPBWireFormatMessageSetItemEndTag \
  (GPBWireFormatMakeTag(GPBWireFormatMessageSetItem, GPBWireFormatEndGroup))
#define GPBWireFormatMessageSetTypeIdTag \
  (GPBWireFormatMakeTag(GPBWireFormatMessageSetTypeId, GPBWireFormatVarint))
#define GPBWireFormatMessageSetMessageTag               \
  (GPBWireFormatMakeTag(GPBWireFormatMessageSetMessage, \
                        GPBWireFormatLengthDelimited))

NS_ASSUME_NONNULL_END

CF_EXTERN_C_END