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

// 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:
//
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// notice, this list of conditions and the following disclaimer.
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// in the documentation and/or other materials provided with the
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#ifndef GOOGLE_PROTOBUF_MAP_FIELD_H__
#define GOOGLE_PROTOBUF_MAP_FIELD_H__

#include <atomic>
#include <functional>

#include <google/protobuf/arena.h>
#include <google/protobuf/stubs/mutex.h>
#include <google/protobuf/port.h>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/generated_message_reflection.h>
#include <google/protobuf/generated_message_util.h>
#include <google/protobuf/map_entry.h>
#include <google/protobuf/map_field_lite.h>
#include <google/protobuf/map_type_handler.h>
#include <google/protobuf/message.h>
#include <google/protobuf/repeated_field.h>
#include <google/protobuf/unknown_field_set.h>


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

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

namespace google {
namespace protobuf {
class DynamicMessage;
class MapIterator;

// Microsoft compiler complains about non-virtual destructor,
// even when the destructor is private.
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4265)
#endif  // _MSC_VER

#define TYPE_CHECK …

// MapKey is an union type for representing any possible
// map key.
class PROTOBUF_EXPORT MapKey { … };

}  // namespace protobuf
}  // namespace google
namespace std {
template <>
struct hash<::PROTOBUF_NAMESPACE_ID::MapKey> { … };
}  // namespace std

namespace google {
namespace protobuf {
namespace internal {

class ContendedMapCleanTest;
class GeneratedMessageReflection;
class MapFieldAccessor;

// This class provides access to map field using reflection, which is the same
// as those provided for RepeatedPtrField<Message>. It is used for internal
// reflection implementation only. Users should never use this directly.
class PROTOBUF_EXPORT MapFieldBase { … };

// This class provides common Map Reflection implementations for generated
// message and dynamic message.
template <typename Key, typename T>
class TypeDefinedMapFieldBase : public MapFieldBase { … };

// This class provides access to map field using generated api. It is used for
// internal generated message implementation only. Users should never use this
// directly.
template <typename Derived, typename Key, typename T,
          WireFormatLite::FieldType kKeyFieldType,
          WireFormatLite::FieldType kValueFieldType>
class MapField : public TypeDefinedMapFieldBase<Key, T> { … };

template <typename Derived, typename Key, typename T,
          WireFormatLite::FieldType key_wire_type,
          WireFormatLite::FieldType value_wire_type>
bool AllAreInitialized(
    const MapField<Derived, Key, T, key_wire_type, value_wire_type>& field) { … }

MapEntryToMapField<MapEntry<T, Key, Value, kKeyFieldType, kValueFieldType>>;

class PROTOBUF_EXPORT DynamicMapField
    : public TypeDefinedMapFieldBase<MapKey, MapValueRef> { … };

}  // namespace internal

// MapValueConstRef points to a map value. Users can NOT modify
// the map value.
class PROTOBUF_EXPORT MapValueConstRef { … };

// MapValueRef points to a map value. Users are able to modify
// the map value.
class PROTOBUF_EXPORT MapValueRef final : public MapValueConstRef { … };

#undef TYPE_CHECK

class PROTOBUF_EXPORT MapIterator { … };

}  // namespace protobuf
}  // namespace google

#ifdef _MSC_VER
#pragma warning(pop)  // restore warning C4265
#endif                // _MSC_VER

#include <google/protobuf/port_undef.inc>

#endif  // GOOGLE_PROTOBUF_MAP_FIELD_H__