chromium/third_party/protobuf/src/google/protobuf/wire_format.h

// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// 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
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//     * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// Author: [email protected] (Kenton Varda)
//         [email protected] (Chris Atenasio) (ZigZag transform)
//  Based on original Protocol Buffers design by
//  Sanjay Ghemawat, Jeff Dean, and others.
//
// This header is logically internal, but is made public because it is used
// from protocol-compiler-generated code, which may reside in other components.

#ifndef GOOGLE_PROTOBUF_WIRE_FORMAT_H__
#define GOOGLE_PROTOBUF_WIRE_FORMAT_H__


#include <google/protobuf/stubs/common.h>
#include <google/protobuf/io/coded_stream.h>
#include <google/protobuf/stubs/casts.h>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/generated_message_util.h>
#include <google/protobuf/message.h>
#include <google/protobuf/metadata_lite.h>
#include <google/protobuf/parse_context.h>
#include <google/protobuf/wire_format_lite.h>

#ifdef SWIG
#error "You cannot SWIG proto headers"
#endif

// Must be included last.
#include <google/protobuf/port_def.inc>

namespace google {
namespace protobuf {
class MapKey;           // map_field.h
class UnknownFieldSet;  // unknown_field_set.h
}  // namespace protobuf
}  // namespace google

namespace google {
namespace protobuf {
namespace internal {

// This class is for internal use by the protocol buffer library and by
// protocol-compiler-generated message classes.  It must not be called
// directly by clients.
//
// This class contains code for implementing the binary protocol buffer
// wire format via reflection.  The WireFormatLite class implements the
// non-reflection based routines.
//
// This class is really a namespace that contains only static methods
class PROTOBUF_EXPORT WireFormat { … };

// Subclass of FieldSkipper which saves skipped fields to an UnknownFieldSet.
class PROTOBUF_EXPORT UnknownFieldSetFieldSkipper : public FieldSkipper { … };

// inline methods ====================================================

inline WireFormatLite::WireType WireFormat::WireTypeForField(
    const FieldDescriptor* field) { … }

inline WireFormatLite::WireType WireFormat::WireTypeForFieldType(
    FieldDescriptor::Type type) { … }

inline uint32_t WireFormat::MakeTag(const FieldDescriptor* field) { … }

inline size_t WireFormat::TagSize(int field_number,
                                  FieldDescriptor::Type type) { … }

inline void WireFormat::VerifyUTF8String(const char* data, int size,
                                         WireFormat::Operation op) { … }

inline void WireFormat::VerifyUTF8StringNamedField(const char* data, int size,
                                                   WireFormat::Operation op,
                                                   const char* field_name) { … }


inline uint8_t* InternalSerializeUnknownMessageSetItemsToArray(
    const UnknownFieldSet& unknown_fields, uint8_t* target,
    io::EpsCopyOutputStream* stream) { … }

inline size_t ComputeUnknownMessageSetItemsSize(
    const UnknownFieldSet& unknown_fields) { … }

// Compute the size of the UnknownFieldSet on the wire.
PROTOBUF_EXPORT
size_t ComputeUnknownFieldsSize(const InternalMetadata& metadata, size_t size,
                                CachedSize* cached_size);

size_t MapKeyDataOnlyByteSize(const FieldDescriptor* field,
                              const MapKey& value);

uint8_t* SerializeMapKeyWithCachedSizes(const FieldDescriptor* field,
                                        const MapKey& value, uint8_t* target,
                                        io::EpsCopyOutputStream* stream);
}  // namespace internal
}  // namespace protobuf
}  // namespace google

#include <google/protobuf/port_undef.inc>

#endif  // GOOGLE_PROTOBUF_WIRE_FORMAT_H__