Squashed 'third_party/protobuf/' content from commit e35e248
Change-Id: I6cbe123d09fe50fdcad0e51466665daeee7433c7
git-subtree-dir: third_party/protobuf
git-subtree-split: e35e24800fb8d694bdeea5fd63dc7d1b14d68723
diff --git a/src/google/protobuf/extension_set.h b/src/google/protobuf/extension_set.h
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+// 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: kenton@google.com (Kenton Varda)
+// 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_EXTENSION_SET_H__
+#define GOOGLE_PROTOBUF_EXTENSION_SET_H__
+
+#include <vector>
+#include <map>
+#include <utility>
+#include <string>
+
+
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/stubs/logging.h>
+#include <google/protobuf/stubs/once.h>
+
+#include <google/protobuf/repeated_field.h>
+
+namespace google {
+
+namespace protobuf {
+ class Arena;
+ class Descriptor; // descriptor.h
+ class FieldDescriptor; // descriptor.h
+ class DescriptorPool; // descriptor.h
+ class MessageLite; // message_lite.h
+ class Message; // message.h
+ class MessageFactory; // message.h
+ class UnknownFieldSet; // unknown_field_set.h
+ namespace io {
+ class CodedInputStream; // coded_stream.h
+ class CodedOutputStream; // coded_stream.h
+ }
+ namespace internal {
+ class FieldSkipper; // wire_format_lite.h
+ }
+}
+
+namespace protobuf {
+namespace internal {
+
+// Used to store values of type WireFormatLite::FieldType without having to
+// #include wire_format_lite.h. Also, ensures that we use only one byte to
+// store these values, which is important to keep the layout of
+// ExtensionSet::Extension small.
+typedef uint8 FieldType;
+
+// A function which, given an integer value, returns true if the number
+// matches one of the defined values for the corresponding enum type. This
+// is used with RegisterEnumExtension, below.
+typedef bool EnumValidityFunc(int number);
+
+// Version of the above which takes an argument. This is needed to deal with
+// extensions that are not compiled in.
+typedef bool EnumValidityFuncWithArg(const void* arg, int number);
+
+// Information about a registered extension.
+struct ExtensionInfo {
+ inline ExtensionInfo() {}
+ inline ExtensionInfo(FieldType type_param, bool isrepeated, bool ispacked)
+ : type(type_param), is_repeated(isrepeated), is_packed(ispacked),
+ descriptor(NULL) {}
+
+ FieldType type;
+ bool is_repeated;
+ bool is_packed;
+
+ struct EnumValidityCheck {
+ EnumValidityFuncWithArg* func;
+ const void* arg;
+ };
+
+ union {
+ EnumValidityCheck enum_validity_check;
+ const MessageLite* message_prototype;
+ };
+
+ // The descriptor for this extension, if one exists and is known. May be
+ // NULL. Must not be NULL if the descriptor for the extension does not
+ // live in the same pool as the descriptor for the containing type.
+ const FieldDescriptor* descriptor;
+};
+
+// Abstract interface for an object which looks up extension definitions. Used
+// when parsing.
+class LIBPROTOBUF_EXPORT ExtensionFinder {
+ public:
+ virtual ~ExtensionFinder();
+
+ // Find the extension with the given containing type and number.
+ virtual bool Find(int number, ExtensionInfo* output) = 0;
+};
+
+// Implementation of ExtensionFinder which finds extensions defined in .proto
+// files which have been compiled into the binary.
+class LIBPROTOBUF_EXPORT GeneratedExtensionFinder : public ExtensionFinder {
+ public:
+ GeneratedExtensionFinder(const MessageLite* containing_type)
+ : containing_type_(containing_type) {}
+ virtual ~GeneratedExtensionFinder() {}
+
+ // Returns true and fills in *output if found, otherwise returns false.
+ virtual bool Find(int number, ExtensionInfo* output);
+
+ private:
+ const MessageLite* containing_type_;
+};
+
+// A FieldSkipper used for parsing MessageSet.
+class MessageSetFieldSkipper;
+
+// Note: extension_set_heavy.cc defines DescriptorPoolExtensionFinder for
+// finding extensions from a DescriptorPool.
+
+// This is an internal helper class intended for use within the protocol buffer
+// library and generated classes. Clients should not use it directly. Instead,
+// use the generated accessors such as GetExtension() of the class being
+// extended.
+//
+// This class manages extensions for a protocol message object. The
+// message's HasExtension(), GetExtension(), MutableExtension(), and
+// ClearExtension() methods are just thin wrappers around the embedded
+// ExtensionSet. When parsing, if a tag number is encountered which is
+// inside one of the message type's extension ranges, the tag is passed
+// off to the ExtensionSet for parsing. Etc.
+class LIBPROTOBUF_EXPORT ExtensionSet {
+ public:
+ ExtensionSet();
+ explicit ExtensionSet(::google::protobuf::Arena* arena);
+ ~ExtensionSet();
+
+ // These are called at startup by protocol-compiler-generated code to
+ // register known extensions. The registrations are used by ParseField()
+ // to look up extensions for parsed field numbers. Note that dynamic parsing
+ // does not use ParseField(); only protocol-compiler-generated parsing
+ // methods do.
+ static void RegisterExtension(const MessageLite* containing_type,
+ int number, FieldType type,
+ bool is_repeated, bool is_packed);
+ static void RegisterEnumExtension(const MessageLite* containing_type,
+ int number, FieldType type,
+ bool is_repeated, bool is_packed,
+ EnumValidityFunc* is_valid);
+ static void RegisterMessageExtension(const MessageLite* containing_type,
+ int number, FieldType type,
+ bool is_repeated, bool is_packed,
+ const MessageLite* prototype);
+
+ // =================================================================
+
+ // Add all fields which are currently present to the given vector. This
+ // is useful to implement Reflection::ListFields().
+ void AppendToList(const Descriptor* containing_type,
+ const DescriptorPool* pool,
+ std::vector<const FieldDescriptor*>* output) const;
+
+ // =================================================================
+ // Accessors
+ //
+ // Generated message classes include type-safe templated wrappers around
+ // these methods. Generally you should use those rather than call these
+ // directly, unless you are doing low-level memory management.
+ //
+ // When calling any of these accessors, the extension number requested
+ // MUST exist in the DescriptorPool provided to the constructor. Otherwise,
+ // the method will fail an assert. Normally, though, you would not call
+ // these directly; you would either call the generated accessors of your
+ // message class (e.g. GetExtension()) or you would call the accessors
+ // of the reflection interface. In both cases, it is impossible to
+ // trigger this assert failure: the generated accessors only accept
+ // linked-in extension types as parameters, while the Reflection interface
+ // requires you to provide the FieldDescriptor describing the extension.
+ //
+ // When calling any of these accessors, a protocol-compiler-generated
+ // implementation of the extension corresponding to the number MUST
+ // be linked in, and the FieldDescriptor used to refer to it MUST be
+ // the one generated by that linked-in code. Otherwise, the method will
+ // die on an assert failure. The message objects returned by the message
+ // accessors are guaranteed to be of the correct linked-in type.
+ //
+ // These methods pretty much match Reflection except that:
+ // - They're not virtual.
+ // - They identify fields by number rather than FieldDescriptors.
+ // - They identify enum values using integers rather than descriptors.
+ // - Strings provide Mutable() in addition to Set() accessors.
+
+ bool Has(int number) const;
+ int ExtensionSize(int number) const; // Size of a repeated extension.
+ int NumExtensions() const; // The number of extensions
+ FieldType ExtensionType(int number) const;
+ void ClearExtension(int number);
+
+ // singular fields -------------------------------------------------
+
+ int32 GetInt32 (int number, int32 default_value) const;
+ int64 GetInt64 (int number, int64 default_value) const;
+ uint32 GetUInt32(int number, uint32 default_value) const;
+ uint64 GetUInt64(int number, uint64 default_value) const;
+ float GetFloat (int number, float default_value) const;
+ double GetDouble(int number, double default_value) const;
+ bool GetBool (int number, bool default_value) const;
+ int GetEnum (int number, int default_value) const;
+ const string & GetString (int number, const string& default_value) const;
+ const MessageLite& GetMessage(int number,
+ const MessageLite& default_value) const;
+ const MessageLite& GetMessage(int number, const Descriptor* message_type,
+ MessageFactory* factory) const;
+
+ // |descriptor| may be NULL so long as it is known that the descriptor for
+ // the extension lives in the same pool as the descriptor for the containing
+ // type.
+#define desc const FieldDescriptor* descriptor // avoid line wrapping
+ void SetInt32 (int number, FieldType type, int32 value, desc);
+ void SetInt64 (int number, FieldType type, int64 value, desc);
+ void SetUInt32(int number, FieldType type, uint32 value, desc);
+ void SetUInt64(int number, FieldType type, uint64 value, desc);
+ void SetFloat (int number, FieldType type, float value, desc);
+ void SetDouble(int number, FieldType type, double value, desc);
+ void SetBool (int number, FieldType type, bool value, desc);
+ void SetEnum (int number, FieldType type, int value, desc);
+ void SetString(int number, FieldType type, const string& value, desc);
+ string * MutableString (int number, FieldType type, desc);
+ MessageLite* MutableMessage(int number, FieldType type,
+ const MessageLite& prototype, desc);
+ MessageLite* MutableMessage(const FieldDescriptor* decsriptor,
+ MessageFactory* factory);
+ // Adds the given message to the ExtensionSet, taking ownership of the
+ // message object. Existing message with the same number will be deleted.
+ // If "message" is NULL, this is equivalent to "ClearExtension(number)".
+ void SetAllocatedMessage(int number, FieldType type,
+ const FieldDescriptor* descriptor,
+ MessageLite* message);
+ void UnsafeArenaSetAllocatedMessage(int number, FieldType type,
+ const FieldDescriptor* descriptor,
+ MessageLite* message);
+ MessageLite* ReleaseMessage(int number, const MessageLite& prototype);
+ MessageLite* UnsafeArenaReleaseMessage(
+ int number, const MessageLite& prototype);
+
+ MessageLite* ReleaseMessage(const FieldDescriptor* descriptor,
+ MessageFactory* factory);
+#undef desc
+ ::google::protobuf::Arena* GetArenaNoVirtual() const { return arena_; }
+
+ // repeated fields -------------------------------------------------
+
+ // Fetches a RepeatedField extension by number; returns |default_value|
+ // if no such extension exists. User should not touch this directly; it is
+ // used by the GetRepeatedExtension() method.
+ const void* GetRawRepeatedField(int number, const void* default_value) const;
+ // Fetches a mutable version of a RepeatedField extension by number,
+ // instantiating one if none exists. Similar to above, user should not use
+ // this directly; it underlies MutableRepeatedExtension().
+ void* MutableRawRepeatedField(int number, FieldType field_type,
+ bool packed, const FieldDescriptor* desc);
+
+ // This is an overload of MutableRawRepeatedField to maintain compatibility
+ // with old code using a previous API. This version of
+ // MutableRawRepeatedField() will GOOGLE_CHECK-fail on a missing extension.
+ // (E.g.: borg/clients/internal/proto1/proto2_reflection.cc.)
+ void* MutableRawRepeatedField(int number);
+
+ int32 GetRepeatedInt32 (int number, int index) const;
+ int64 GetRepeatedInt64 (int number, int index) const;
+ uint32 GetRepeatedUInt32(int number, int index) const;
+ uint64 GetRepeatedUInt64(int number, int index) const;
+ float GetRepeatedFloat (int number, int index) const;
+ double GetRepeatedDouble(int number, int index) const;
+ bool GetRepeatedBool (int number, int index) const;
+ int GetRepeatedEnum (int number, int index) const;
+ const string & GetRepeatedString (int number, int index) const;
+ const MessageLite& GetRepeatedMessage(int number, int index) const;
+
+ void SetRepeatedInt32 (int number, int index, int32 value);
+ void SetRepeatedInt64 (int number, int index, int64 value);
+ void SetRepeatedUInt32(int number, int index, uint32 value);
+ void SetRepeatedUInt64(int number, int index, uint64 value);
+ void SetRepeatedFloat (int number, int index, float value);
+ void SetRepeatedDouble(int number, int index, double value);
+ void SetRepeatedBool (int number, int index, bool value);
+ void SetRepeatedEnum (int number, int index, int value);
+ void SetRepeatedString(int number, int index, const string& value);
+ string * MutableRepeatedString (int number, int index);
+ MessageLite* MutableRepeatedMessage(int number, int index);
+
+#define desc const FieldDescriptor* descriptor // avoid line wrapping
+ void AddInt32 (int number, FieldType type, bool packed, int32 value, desc);
+ void AddInt64 (int number, FieldType type, bool packed, int64 value, desc);
+ void AddUInt32(int number, FieldType type, bool packed, uint32 value, desc);
+ void AddUInt64(int number, FieldType type, bool packed, uint64 value, desc);
+ void AddFloat (int number, FieldType type, bool packed, float value, desc);
+ void AddDouble(int number, FieldType type, bool packed, double value, desc);
+ void AddBool (int number, FieldType type, bool packed, bool value, desc);
+ void AddEnum (int number, FieldType type, bool packed, int value, desc);
+ void AddString(int number, FieldType type, const string& value, desc);
+ string * AddString (int number, FieldType type, desc);
+ MessageLite* AddMessage(int number, FieldType type,
+ const MessageLite& prototype, desc);
+ MessageLite* AddMessage(const FieldDescriptor* descriptor,
+ MessageFactory* factory);
+ void AddAllocatedMessage(const FieldDescriptor* descriptor,
+ MessageLite* new_entry);
+#undef desc
+
+ void RemoveLast(int number);
+ MessageLite* ReleaseLast(int number);
+ void SwapElements(int number, int index1, int index2);
+
+ // -----------------------------------------------------------------
+ // TODO(kenton): Hardcore memory management accessors
+
+ // =================================================================
+ // convenience methods for implementing methods of Message
+ //
+ // These could all be implemented in terms of the other methods of this
+ // class, but providing them here helps keep the generated code size down.
+
+ void Clear();
+ void MergeFrom(const ExtensionSet& other);
+ void Swap(ExtensionSet* other);
+ void SwapExtension(ExtensionSet* other, int number);
+ bool IsInitialized() const;
+
+ // Parses a single extension from the input. The input should start out
+ // positioned immediately after the tag.
+ bool ParseField(uint32 tag, io::CodedInputStream* input,
+ ExtensionFinder* extension_finder,
+ FieldSkipper* field_skipper);
+
+ // Specific versions for lite or full messages (constructs the appropriate
+ // FieldSkipper automatically). |containing_type| is the default
+ // instance for the containing message; it is used only to look up the
+ // extension by number. See RegisterExtension(), above. Unlike the other
+ // methods of ExtensionSet, this only works for generated message types --
+ // it looks up extensions registered using RegisterExtension().
+ bool ParseField(uint32 tag, io::CodedInputStream* input,
+ const MessageLite* containing_type);
+ bool ParseField(uint32 tag, io::CodedInputStream* input,
+ const Message* containing_type,
+ UnknownFieldSet* unknown_fields);
+ bool ParseField(uint32 tag, io::CodedInputStream* input,
+ const MessageLite* containing_type,
+ io::CodedOutputStream* unknown_fields);
+
+ // Parse an entire message in MessageSet format. Such messages have no
+ // fields, only extensions.
+ bool ParseMessageSet(io::CodedInputStream* input,
+ ExtensionFinder* extension_finder,
+ MessageSetFieldSkipper* field_skipper);
+
+ // Specific versions for lite or full messages (constructs the appropriate
+ // FieldSkipper automatically).
+ bool ParseMessageSet(io::CodedInputStream* input,
+ const MessageLite* containing_type);
+ bool ParseMessageSet(io::CodedInputStream* input,
+ const Message* containing_type,
+ UnknownFieldSet* unknown_fields);
+
+ // Write all extension fields with field numbers in the range
+ // [start_field_number, end_field_number)
+ // to the output stream, using the cached sizes computed when ByteSize() was
+ // last called. Note that the range bounds are inclusive-exclusive.
+ void SerializeWithCachedSizes(int start_field_number,
+ int end_field_number,
+ io::CodedOutputStream* output) const;
+
+ // Same as SerializeWithCachedSizes, but without any bounds checking.
+ // The caller must ensure that target has sufficient capacity for the
+ // serialized extensions.
+ //
+ // Returns a pointer past the last written byte.
+ uint8* SerializeWithCachedSizesToArray(int start_field_number,
+ int end_field_number,
+ uint8* target) const;
+
+ // Like above but serializes in MessageSet format.
+ void SerializeMessageSetWithCachedSizes(io::CodedOutputStream* output) const;
+ uint8* SerializeMessageSetWithCachedSizesToArray(uint8* target) const;
+
+ // Returns the total serialized size of all the extensions.
+ int ByteSize() const;
+
+ // Like ByteSize() but uses MessageSet format.
+ int MessageSetByteSize() const;
+
+ // Returns (an estimate of) the total number of bytes used for storing the
+ // extensions in memory, excluding sizeof(*this). If the ExtensionSet is
+ // for a lite message (and thus possibly contains lite messages), the results
+ // are undefined (might work, might crash, might corrupt data, might not even
+ // be linked in). It's up to the protocol compiler to avoid calling this on
+ // such ExtensionSets (easy enough since lite messages don't implement
+ // SpaceUsed()).
+ int SpaceUsedExcludingSelf() const;
+
+ private:
+
+ // Interface of a lazily parsed singular message extension.
+ class LIBPROTOBUF_EXPORT LazyMessageExtension {
+ public:
+ LazyMessageExtension() {}
+ virtual ~LazyMessageExtension() {}
+
+ virtual LazyMessageExtension* New(::google::protobuf::Arena* arena) const = 0;
+ virtual const MessageLite& GetMessage(
+ const MessageLite& prototype) const = 0;
+ virtual MessageLite* MutableMessage(const MessageLite& prototype) = 0;
+ virtual void SetAllocatedMessage(MessageLite *message) = 0;
+ virtual void UnsafeArenaSetAllocatedMessage(MessageLite *message) = 0;
+ virtual MessageLite* ReleaseMessage(const MessageLite& prototype) = 0;
+ virtual MessageLite* UnsafeArenaReleaseMessage(
+ const MessageLite& prototype) = 0;
+
+ virtual bool IsInitialized() const = 0;
+ virtual int ByteSize() const = 0;
+ virtual int SpaceUsed() const = 0;
+
+ virtual void MergeFrom(const LazyMessageExtension& other) = 0;
+ virtual void Clear() = 0;
+
+ virtual bool ReadMessage(const MessageLite& prototype,
+ io::CodedInputStream* input) = 0;
+ virtual void WriteMessage(int number,
+ io::CodedOutputStream* output) const = 0;
+ virtual uint8* WriteMessageToArray(int number, uint8* target) const = 0;
+ private:
+ GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(LazyMessageExtension);
+ };
+ struct Extension {
+ // The order of these fields packs Extension into 24 bytes when using 8
+ // byte alignment. Consider this when adding or removing fields here.
+ union {
+ int32 int32_value;
+ int64 int64_value;
+ uint32 uint32_value;
+ uint64 uint64_value;
+ float float_value;
+ double double_value;
+ bool bool_value;
+ int enum_value;
+ string* string_value;
+ MessageLite* message_value;
+ LazyMessageExtension* lazymessage_value;
+
+ RepeatedField <int32 >* repeated_int32_value;
+ RepeatedField <int64 >* repeated_int64_value;
+ RepeatedField <uint32 >* repeated_uint32_value;
+ RepeatedField <uint64 >* repeated_uint64_value;
+ RepeatedField <float >* repeated_float_value;
+ RepeatedField <double >* repeated_double_value;
+ RepeatedField <bool >* repeated_bool_value;
+ RepeatedField <int >* repeated_enum_value;
+ RepeatedPtrField<string >* repeated_string_value;
+ RepeatedPtrField<MessageLite>* repeated_message_value;
+ };
+
+ FieldType type;
+ bool is_repeated;
+
+ // For singular types, indicates if the extension is "cleared". This
+ // happens when an extension is set and then later cleared by the caller.
+ // We want to keep the Extension object around for reuse, so instead of
+ // removing it from the map, we just set is_cleared = true. This has no
+ // meaning for repeated types; for those, the size of the RepeatedField
+ // simply becomes zero when cleared.
+ bool is_cleared : 4;
+
+ // For singular message types, indicates whether lazy parsing is enabled
+ // for this extension. This field is only valid when type == TYPE_MESSAGE
+ // and !is_repeated because we only support lazy parsing for singular
+ // message types currently. If is_lazy = true, the extension is stored in
+ // lazymessage_value. Otherwise, the extension will be message_value.
+ bool is_lazy : 4;
+
+ // For repeated types, this indicates if the [packed=true] option is set.
+ bool is_packed;
+
+ // For packed fields, the size of the packed data is recorded here when
+ // ByteSize() is called then used during serialization.
+ // TODO(kenton): Use atomic<int> when C++ supports it.
+ mutable int cached_size;
+
+ // The descriptor for this extension, if one exists and is known. May be
+ // NULL. Must not be NULL if the descriptor for the extension does not
+ // live in the same pool as the descriptor for the containing type.
+ const FieldDescriptor* descriptor;
+
+ // Some helper methods for operations on a single Extension.
+ void SerializeFieldWithCachedSizes(
+ int number,
+ io::CodedOutputStream* output) const;
+ uint8* SerializeFieldWithCachedSizesToArray(
+ int number,
+ uint8* target) const;
+ void SerializeMessageSetItemWithCachedSizes(
+ int number,
+ io::CodedOutputStream* output) const;
+ uint8* SerializeMessageSetItemWithCachedSizesToArray(
+ int number,
+ uint8* target) const;
+ int ByteSize(int number) const;
+ int MessageSetItemByteSize(int number) const;
+ void Clear();
+ int GetSize() const;
+ void Free();
+ int SpaceUsedExcludingSelf() const;
+ };
+
+
+ // Merges existing Extension from other_extension
+ void InternalExtensionMergeFrom(int number, const Extension& other_extension);
+
+ // Returns true and fills field_number and extension if extension is found.
+ // Note to support packed repeated field compatibility, it also fills whether
+ // the tag on wire is packed, which can be different from
+ // extension->is_packed (whether packed=true is specified).
+ bool FindExtensionInfoFromTag(uint32 tag, ExtensionFinder* extension_finder,
+ int* field_number, ExtensionInfo* extension,
+ bool* was_packed_on_wire);
+
+ // Returns true and fills extension if extension is found.
+ // Note to support packed repeated field compatibility, it also fills whether
+ // the tag on wire is packed, which can be different from
+ // extension->is_packed (whether packed=true is specified).
+ bool FindExtensionInfoFromFieldNumber(int wire_type, int field_number,
+ ExtensionFinder* extension_finder,
+ ExtensionInfo* extension,
+ bool* was_packed_on_wire);
+
+ // Parses a single extension from the input. The input should start out
+ // positioned immediately after the wire tag. This method is called in
+ // ParseField() after field number and was_packed_on_wire is extracted from
+ // the wire tag and ExtensionInfo is found by the field number.
+ bool ParseFieldWithExtensionInfo(int field_number,
+ bool was_packed_on_wire,
+ const ExtensionInfo& extension,
+ io::CodedInputStream* input,
+ FieldSkipper* field_skipper);
+
+ // Like ParseField(), but this method may parse singular message extensions
+ // lazily depending on the value of FLAGS_eagerly_parse_message_sets.
+ bool ParseFieldMaybeLazily(int wire_type, int field_number,
+ io::CodedInputStream* input,
+ ExtensionFinder* extension_finder,
+ MessageSetFieldSkipper* field_skipper);
+
+ // Gets the extension with the given number, creating it if it does not
+ // already exist. Returns true if the extension did not already exist.
+ bool MaybeNewExtension(int number, const FieldDescriptor* descriptor,
+ Extension** result);
+
+ // Gets the repeated extension for the given descriptor, creating it if
+ // it does not exist.
+ Extension* MaybeNewRepeatedExtension(const FieldDescriptor* descriptor);
+
+ // Parse a single MessageSet item -- called just after the item group start
+ // tag has been read.
+ bool ParseMessageSetItem(io::CodedInputStream* input,
+ ExtensionFinder* extension_finder,
+ MessageSetFieldSkipper* field_skipper);
+
+ // Hack: RepeatedPtrFieldBase declares ExtensionSet as a friend. This
+ // friendship should automatically extend to ExtensionSet::Extension, but
+ // unfortunately some older compilers (e.g. GCC 3.4.4) do not implement this
+ // correctly. So, we must provide helpers for calling methods of that
+ // class.
+
+ // Defined in extension_set_heavy.cc.
+ static inline int RepeatedMessage_SpaceUsedExcludingSelf(
+ RepeatedPtrFieldBase* field);
+
+ // The Extension struct is small enough to be passed by value, so we use it
+ // directly as the value type in the map rather than use pointers. We use
+ // a map rather than hash_map here because we expect most ExtensionSets will
+ // only contain a small number of extensions whereas hash_map is optimized
+ // for 100 elements or more. Also, we want AppendToList() to order fields
+ // by field number.
+ std::map<int, Extension> extensions_;
+ ::google::protobuf::Arena* arena_;
+ GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ExtensionSet);
+};
+
+// These are just for convenience...
+inline void ExtensionSet::SetString(int number, FieldType type,
+ const string& value,
+ const FieldDescriptor* descriptor) {
+ MutableString(number, type, descriptor)->assign(value);
+}
+inline void ExtensionSet::SetRepeatedString(int number, int index,
+ const string& value) {
+ MutableRepeatedString(number, index)->assign(value);
+}
+inline void ExtensionSet::AddString(int number, FieldType type,
+ const string& value,
+ const FieldDescriptor* descriptor) {
+ AddString(number, type, descriptor)->assign(value);
+}
+
+// ===================================================================
+// Glue for generated extension accessors
+
+// -------------------------------------------------------------------
+// Template magic
+
+// First we have a set of classes representing "type traits" for different
+// field types. A type traits class knows how to implement basic accessors
+// for extensions of a particular type given an ExtensionSet. The signature
+// for a type traits class looks like this:
+//
+// class TypeTraits {
+// public:
+// typedef ? ConstType;
+// typedef ? MutableType;
+// // TypeTraits for singular fields and repeated fields will define the
+// // symbol "Singular" or "Repeated" respectively. These two symbols will
+// // be used in extension accessors to distinguish between singular
+// // extensions and repeated extensions. If the TypeTraits for the passed
+// // in extension doesn't have the expected symbol defined, it means the
+// // user is passing a repeated extension to a singular accessor, or the
+// // opposite. In that case the C++ compiler will generate an error
+// // message "no matching member function" to inform the user.
+// typedef ? Singular
+// typedef ? Repeated
+//
+// static inline ConstType Get(int number, const ExtensionSet& set);
+// static inline void Set(int number, ConstType value, ExtensionSet* set);
+// static inline MutableType Mutable(int number, ExtensionSet* set);
+//
+// // Variants for repeated fields.
+// static inline ConstType Get(int number, const ExtensionSet& set,
+// int index);
+// static inline void Set(int number, int index,
+// ConstType value, ExtensionSet* set);
+// static inline MutableType Mutable(int number, int index,
+// ExtensionSet* set);
+// static inline void Add(int number, ConstType value, ExtensionSet* set);
+// static inline MutableType Add(int number, ExtensionSet* set);
+// };
+//
+// Not all of these methods make sense for all field types. For example, the
+// "Mutable" methods only make sense for strings and messages, and the
+// repeated methods only make sense for repeated types. So, each type
+// traits class implements only the set of methods from this signature that it
+// actually supports. This will cause a compiler error if the user tries to
+// access an extension using a method that doesn't make sense for its type.
+// For example, if "foo" is an extension of type "optional int32", then if you
+// try to write code like:
+// my_message.MutableExtension(foo)
+// you will get a compile error because PrimitiveTypeTraits<int32> does not
+// have a "Mutable()" method.
+
+// -------------------------------------------------------------------
+// PrimitiveTypeTraits
+
+// Since the ExtensionSet has different methods for each primitive type,
+// we must explicitly define the methods of the type traits class for each
+// known type.
+template <typename Type>
+class PrimitiveTypeTraits {
+ public:
+ typedef Type ConstType;
+ typedef Type MutableType;
+ typedef PrimitiveTypeTraits<Type> Singular;
+
+ static inline ConstType Get(int number, const ExtensionSet& set,
+ ConstType default_value);
+ static inline void Set(int number, FieldType field_type,
+ ConstType value, ExtensionSet* set);
+};
+
+template <typename Type>
+class RepeatedPrimitiveTypeTraits {
+ public:
+ typedef Type ConstType;
+ typedef Type MutableType;
+ typedef RepeatedPrimitiveTypeTraits<Type> Repeated;
+
+ typedef RepeatedField<Type> RepeatedFieldType;
+
+ static inline Type Get(int number, const ExtensionSet& set, int index);
+ static inline void Set(int number, int index, Type value, ExtensionSet* set);
+ static inline void Add(int number, FieldType field_type,
+ bool is_packed, Type value, ExtensionSet* set);
+
+ static inline const RepeatedField<ConstType>&
+ GetRepeated(int number, const ExtensionSet& set);
+ static inline RepeatedField<Type>*
+ MutableRepeated(int number, FieldType field_type,
+ bool is_packed, ExtensionSet* set);
+
+ static const RepeatedFieldType* GetDefaultRepeatedField();
+};
+
+LIBPROTOBUF_EXPORT extern ProtobufOnceType repeated_primitive_generic_type_traits_once_init_;
+
+class LIBPROTOBUF_EXPORT RepeatedPrimitiveGenericTypeTraits {
+ private:
+ template<typename Type> friend class RepeatedPrimitiveTypeTraits;
+ static void InitializeDefaultRepeatedFields();
+ static void DestroyDefaultRepeatedFields();
+ static const RepeatedField<int32>* default_repeated_field_int32_;
+ static const RepeatedField<int64>* default_repeated_field_int64_;
+ static const RepeatedField<uint32>* default_repeated_field_uint32_;
+ static const RepeatedField<uint64>* default_repeated_field_uint64_;
+ static const RepeatedField<double>* default_repeated_field_double_;
+ static const RepeatedField<float>* default_repeated_field_float_;
+ static const RepeatedField<bool>* default_repeated_field_bool_;
+};
+
+#define PROTOBUF_DEFINE_PRIMITIVE_TYPE(TYPE, METHOD) \
+template<> inline TYPE PrimitiveTypeTraits<TYPE>::Get( \
+ int number, const ExtensionSet& set, TYPE default_value) { \
+ return set.Get##METHOD(number, default_value); \
+} \
+template<> inline void PrimitiveTypeTraits<TYPE>::Set( \
+ int number, FieldType field_type, TYPE value, ExtensionSet* set) { \
+ set->Set##METHOD(number, field_type, value, NULL); \
+} \
+ \
+template<> inline TYPE RepeatedPrimitiveTypeTraits<TYPE>::Get( \
+ int number, const ExtensionSet& set, int index) { \
+ return set.GetRepeated##METHOD(number, index); \
+} \
+template<> inline void RepeatedPrimitiveTypeTraits<TYPE>::Set( \
+ int number, int index, TYPE value, ExtensionSet* set) { \
+ set->SetRepeated##METHOD(number, index, value); \
+} \
+template<> inline void RepeatedPrimitiveTypeTraits<TYPE>::Add( \
+ int number, FieldType field_type, bool is_packed, \
+ TYPE value, ExtensionSet* set) { \
+ set->Add##METHOD(number, field_type, is_packed, value, NULL); \
+} \
+template<> inline const RepeatedField<TYPE>* \
+ RepeatedPrimitiveTypeTraits<TYPE>::GetDefaultRepeatedField() { \
+ ::google::protobuf::GoogleOnceInit( \
+ &repeated_primitive_generic_type_traits_once_init_, \
+ &RepeatedPrimitiveGenericTypeTraits::InitializeDefaultRepeatedFields); \
+ return RepeatedPrimitiveGenericTypeTraits:: \
+ default_repeated_field_##TYPE##_; \
+} \
+template<> inline const RepeatedField<TYPE>& \
+ RepeatedPrimitiveTypeTraits<TYPE>::GetRepeated(int number, \
+ const ExtensionSet& set) { \
+ return *reinterpret_cast<const RepeatedField<TYPE>*>( \
+ set.GetRawRepeatedField( \
+ number, GetDefaultRepeatedField())); \
+} \
+template<> inline RepeatedField<TYPE>* \
+ RepeatedPrimitiveTypeTraits<TYPE>::MutableRepeated(int number, \
+ FieldType field_type, \
+ bool is_packed, \
+ ExtensionSet* set) { \
+ return reinterpret_cast<RepeatedField<TYPE>*>( \
+ set->MutableRawRepeatedField(number, field_type, is_packed, NULL)); \
+}
+
+PROTOBUF_DEFINE_PRIMITIVE_TYPE( int32, Int32)
+PROTOBUF_DEFINE_PRIMITIVE_TYPE( int64, Int64)
+PROTOBUF_DEFINE_PRIMITIVE_TYPE(uint32, UInt32)
+PROTOBUF_DEFINE_PRIMITIVE_TYPE(uint64, UInt64)
+PROTOBUF_DEFINE_PRIMITIVE_TYPE( float, Float)
+PROTOBUF_DEFINE_PRIMITIVE_TYPE(double, Double)
+PROTOBUF_DEFINE_PRIMITIVE_TYPE( bool, Bool)
+
+#undef PROTOBUF_DEFINE_PRIMITIVE_TYPE
+
+// -------------------------------------------------------------------
+// StringTypeTraits
+
+// Strings support both Set() and Mutable().
+class LIBPROTOBUF_EXPORT StringTypeTraits {
+ public:
+ typedef const string& ConstType;
+ typedef string* MutableType;
+ typedef StringTypeTraits Singular;
+
+ static inline const string& Get(int number, const ExtensionSet& set,
+ ConstType default_value) {
+ return set.GetString(number, default_value);
+ }
+ static inline void Set(int number, FieldType field_type,
+ const string& value, ExtensionSet* set) {
+ set->SetString(number, field_type, value, NULL);
+ }
+ static inline string* Mutable(int number, FieldType field_type,
+ ExtensionSet* set) {
+ return set->MutableString(number, field_type, NULL);
+ }
+};
+
+LIBPROTOBUF_EXPORT extern ProtobufOnceType repeated_string_type_traits_once_init_;
+
+class LIBPROTOBUF_EXPORT RepeatedStringTypeTraits {
+ public:
+ typedef const string& ConstType;
+ typedef string* MutableType;
+ typedef RepeatedStringTypeTraits Repeated;
+
+ typedef RepeatedPtrField<string> RepeatedFieldType;
+
+ static inline const string& Get(int number, const ExtensionSet& set,
+ int index) {
+ return set.GetRepeatedString(number, index);
+ }
+ static inline void Set(int number, int index,
+ const string& value, ExtensionSet* set) {
+ set->SetRepeatedString(number, index, value);
+ }
+ static inline string* Mutable(int number, int index, ExtensionSet* set) {
+ return set->MutableRepeatedString(number, index);
+ }
+ static inline void Add(int number, FieldType field_type,
+ bool /*is_packed*/, const string& value,
+ ExtensionSet* set) {
+ set->AddString(number, field_type, value, NULL);
+ }
+ static inline string* Add(int number, FieldType field_type,
+ ExtensionSet* set) {
+ return set->AddString(number, field_type, NULL);
+ }
+ static inline const RepeatedPtrField<string>&
+ GetRepeated(int number, const ExtensionSet& set) {
+ return *reinterpret_cast<const RepeatedPtrField<string>*>(
+ set.GetRawRepeatedField(number, GetDefaultRepeatedField()));
+ }
+
+ static inline RepeatedPtrField<string>*
+ MutableRepeated(int number, FieldType field_type,
+ bool is_packed, ExtensionSet* set) {
+ return reinterpret_cast<RepeatedPtrField<string>*>(
+ set->MutableRawRepeatedField(number, field_type,
+ is_packed, NULL));
+ }
+
+ static const RepeatedFieldType* GetDefaultRepeatedField() {
+ ::google::protobuf::GoogleOnceInit(&repeated_string_type_traits_once_init_,
+ &InitializeDefaultRepeatedFields);
+ return default_repeated_field_;
+ }
+
+ private:
+ static void InitializeDefaultRepeatedFields();
+ static void DestroyDefaultRepeatedFields();
+ static const RepeatedFieldType *default_repeated_field_;
+};
+
+// -------------------------------------------------------------------
+// EnumTypeTraits
+
+// ExtensionSet represents enums using integers internally, so we have to
+// static_cast around.
+template <typename Type, bool IsValid(int)>
+class EnumTypeTraits {
+ public:
+ typedef Type ConstType;
+ typedef Type MutableType;
+ typedef EnumTypeTraits<Type, IsValid> Singular;
+
+ static inline ConstType Get(int number, const ExtensionSet& set,
+ ConstType default_value) {
+ return static_cast<Type>(set.GetEnum(number, default_value));
+ }
+ static inline void Set(int number, FieldType field_type,
+ ConstType value, ExtensionSet* set) {
+ GOOGLE_DCHECK(IsValid(value));
+ set->SetEnum(number, field_type, value, NULL);
+ }
+};
+
+template <typename Type, bool IsValid(int)>
+class RepeatedEnumTypeTraits {
+ public:
+ typedef Type ConstType;
+ typedef Type MutableType;
+ typedef RepeatedEnumTypeTraits<Type, IsValid> Repeated;
+
+ typedef RepeatedField<Type> RepeatedFieldType;
+
+ static inline ConstType Get(int number, const ExtensionSet& set, int index) {
+ return static_cast<Type>(set.GetRepeatedEnum(number, index));
+ }
+ static inline void Set(int number, int index,
+ ConstType value, ExtensionSet* set) {
+ GOOGLE_DCHECK(IsValid(value));
+ set->SetRepeatedEnum(number, index, value);
+ }
+ static inline void Add(int number, FieldType field_type,
+ bool is_packed, ConstType value, ExtensionSet* set) {
+ GOOGLE_DCHECK(IsValid(value));
+ set->AddEnum(number, field_type, is_packed, value, NULL);
+ }
+ static inline const RepeatedField<Type>& GetRepeated(int number,
+ const ExtensionSet&
+ set) {
+ // Hack: the `Extension` struct stores a RepeatedField<int> for enums.
+ // RepeatedField<int> cannot implicitly convert to RepeatedField<EnumType>
+ // so we need to do some casting magic. See message.h for similar
+ // contortions for non-extension fields.
+ return *reinterpret_cast<const RepeatedField<Type>*>(
+ set.GetRawRepeatedField(number, GetDefaultRepeatedField()));
+ }
+
+ static inline RepeatedField<Type>* MutableRepeated(int number,
+ FieldType field_type,
+ bool is_packed,
+ ExtensionSet* set) {
+ return reinterpret_cast<RepeatedField<Type>*>(
+ set->MutableRawRepeatedField(number, field_type, is_packed, NULL));
+ }
+
+ static const RepeatedFieldType* GetDefaultRepeatedField() {
+ // Hack: as noted above, repeated enum fields are internally stored as a
+ // RepeatedField<int>. We need to be able to instantiate global static
+ // objects to return as default (empty) repeated fields on non-existent
+ // extensions. We would not be able to know a-priori all of the enum types
+ // (values of |Type|) to instantiate all of these, so we just re-use int32's
+ // default repeated field object.
+ return reinterpret_cast<const RepeatedField<Type>*>(
+ RepeatedPrimitiveTypeTraits<int32>::GetDefaultRepeatedField());
+ }
+};
+
+// -------------------------------------------------------------------
+// MessageTypeTraits
+
+// ExtensionSet guarantees that when manipulating extensions with message
+// types, the implementation used will be the compiled-in class representing
+// that type. So, we can static_cast down to the exact type we expect.
+template <typename Type>
+class MessageTypeTraits {
+ public:
+ typedef const Type& ConstType;
+ typedef Type* MutableType;
+ typedef MessageTypeTraits<Type> Singular;
+
+ static inline ConstType Get(int number, const ExtensionSet& set,
+ ConstType default_value) {
+ return static_cast<const Type&>(
+ set.GetMessage(number, default_value));
+ }
+ static inline MutableType Mutable(int number, FieldType field_type,
+ ExtensionSet* set) {
+ return static_cast<Type*>(
+ set->MutableMessage(number, field_type, Type::default_instance(), NULL));
+ }
+ static inline void SetAllocated(int number, FieldType field_type,
+ MutableType message, ExtensionSet* set) {
+ set->SetAllocatedMessage(number, field_type, NULL, message);
+ }
+ static inline MutableType Release(int number, FieldType /* field_type */,
+ ExtensionSet* set) {
+ return static_cast<Type*>(set->ReleaseMessage(
+ number, Type::default_instance()));
+ }
+};
+
+// forward declaration
+class RepeatedMessageGenericTypeTraits;
+
+template <typename Type>
+class RepeatedMessageTypeTraits {
+ public:
+ typedef const Type& ConstType;
+ typedef Type* MutableType;
+ typedef RepeatedMessageTypeTraits<Type> Repeated;
+
+ typedef RepeatedPtrField<Type> RepeatedFieldType;
+
+ static inline ConstType Get(int number, const ExtensionSet& set, int index) {
+ return static_cast<const Type&>(set.GetRepeatedMessage(number, index));
+ }
+ static inline MutableType Mutable(int number, int index, ExtensionSet* set) {
+ return static_cast<Type*>(set->MutableRepeatedMessage(number, index));
+ }
+ static inline MutableType Add(int number, FieldType field_type,
+ ExtensionSet* set) {
+ return static_cast<Type*>(
+ set->AddMessage(number, field_type, Type::default_instance(), NULL));
+ }
+ static inline const RepeatedPtrField<Type>& GetRepeated(int number,
+ const ExtensionSet&
+ set) {
+ // See notes above in RepeatedEnumTypeTraits::GetRepeated(): same
+ // casting hack applies here, because a RepeatedPtrField<MessageLite>
+ // cannot naturally become a RepeatedPtrType<Type> even though Type is
+ // presumably a message. google::protobuf::Message goes through similar contortions
+ // with a reinterpret_cast<>.
+ return *reinterpret_cast<const RepeatedPtrField<Type>*>(
+ set.GetRawRepeatedField(number, GetDefaultRepeatedField()));
+ }
+ static inline RepeatedPtrField<Type>* MutableRepeated(int number,
+ FieldType field_type,
+ bool is_packed,
+ ExtensionSet* set) {
+ return reinterpret_cast<RepeatedPtrField<Type>*>(
+ set->MutableRawRepeatedField(number, field_type, is_packed, NULL));
+ }
+
+ static const RepeatedFieldType* GetDefaultRepeatedField();
+};
+
+LIBPROTOBUF_EXPORT extern ProtobufOnceType repeated_message_generic_type_traits_once_init_;
+
+// This class exists only to hold a generic default empty repeated field for all
+// message-type repeated field extensions.
+class LIBPROTOBUF_EXPORT RepeatedMessageGenericTypeTraits {
+ public:
+ typedef RepeatedPtrField< ::google::protobuf::MessageLite*> RepeatedFieldType;
+ private:
+ template<typename Type> friend class RepeatedMessageTypeTraits;
+ static void InitializeDefaultRepeatedFields();
+ static void DestroyDefaultRepeatedFields();
+ static const RepeatedFieldType* default_repeated_field_;
+};
+
+template<typename Type> inline
+ const typename RepeatedMessageTypeTraits<Type>::RepeatedFieldType*
+ RepeatedMessageTypeTraits<Type>::GetDefaultRepeatedField() {
+ ::google::protobuf::GoogleOnceInit(
+ &repeated_message_generic_type_traits_once_init_,
+ &RepeatedMessageGenericTypeTraits::InitializeDefaultRepeatedFields);
+ return reinterpret_cast<const RepeatedFieldType*>(
+ RepeatedMessageGenericTypeTraits::default_repeated_field_);
+}
+
+// -------------------------------------------------------------------
+// ExtensionIdentifier
+
+// This is the type of actual extension objects. E.g. if you have:
+// extends Foo with optional int32 bar = 1234;
+// then "bar" will be defined in C++ as:
+// ExtensionIdentifier<Foo, PrimitiveTypeTraits<int32>, 1, false> bar(1234);
+//
+// Note that we could, in theory, supply the field number as a template
+// parameter, and thus make an instance of ExtensionIdentifier have no
+// actual contents. However, if we did that, then using at extension
+// identifier would not necessarily cause the compiler to output any sort
+// of reference to any simple defined in the extension's .pb.o file. Some
+// linkers will actually drop object files that are not explicitly referenced,
+// but that would be bad because it would cause this extension to not be
+// registered at static initialization, and therefore using it would crash.
+
+template <typename ExtendeeType, typename TypeTraitsType,
+ FieldType field_type, bool is_packed>
+class ExtensionIdentifier {
+ public:
+ typedef TypeTraitsType TypeTraits;
+ typedef ExtendeeType Extendee;
+
+ ExtensionIdentifier(int number, typename TypeTraits::ConstType default_value)
+ : number_(number), default_value_(default_value) {}
+ inline int number() const { return number_; }
+ typename TypeTraits::ConstType default_value() const {
+ return default_value_;
+ }
+
+ private:
+ const int number_;
+ typename TypeTraits::ConstType default_value_;
+};
+
+// -------------------------------------------------------------------
+// Generated accessors
+
+// This macro should be expanded in the context of a generated type which
+// has extensions.
+//
+// We use "_proto_TypeTraits" as a type name below because "TypeTraits"
+// causes problems if the class has a nested message or enum type with that
+// name and "_TypeTraits" is technically reserved for the C++ library since
+// it starts with an underscore followed by a capital letter.
+//
+// For similar reason, we use "_field_type" and "_is_packed" as parameter names
+// below, so that "field_type" and "is_packed" can be used as field names.
+#define GOOGLE_PROTOBUF_EXTENSION_ACCESSORS(CLASSNAME) \
+ /* Has, Size, Clear */ \
+ template <typename _proto_TypeTraits, \
+ ::google::protobuf::internal::FieldType _field_type, \
+ bool _is_packed> \
+ inline bool HasExtension( \
+ const ::google::protobuf::internal::ExtensionIdentifier< \
+ CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) const { \
+ return _extensions_.Has(id.number()); \
+ } \
+ \
+ template <typename _proto_TypeTraits, \
+ ::google::protobuf::internal::FieldType _field_type, \
+ bool _is_packed> \
+ inline void ClearExtension( \
+ const ::google::protobuf::internal::ExtensionIdentifier< \
+ CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) { \
+ _extensions_.ClearExtension(id.number()); \
+ } \
+ \
+ template <typename _proto_TypeTraits, \
+ ::google::protobuf::internal::FieldType _field_type, \
+ bool _is_packed> \
+ inline int ExtensionSize( \
+ const ::google::protobuf::internal::ExtensionIdentifier< \
+ CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) const { \
+ return _extensions_.ExtensionSize(id.number()); \
+ } \
+ \
+ /* Singular accessors */ \
+ template <typename _proto_TypeTraits, \
+ ::google::protobuf::internal::FieldType _field_type, \
+ bool _is_packed> \
+ inline typename _proto_TypeTraits::Singular::ConstType GetExtension( \
+ const ::google::protobuf::internal::ExtensionIdentifier< \
+ CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) const { \
+ return _proto_TypeTraits::Get(id.number(), _extensions_, \
+ id.default_value()); \
+ } \
+ \
+ template <typename _proto_TypeTraits, \
+ ::google::protobuf::internal::FieldType _field_type, \
+ bool _is_packed> \
+ inline typename _proto_TypeTraits::Singular::MutableType MutableExtension( \
+ const ::google::protobuf::internal::ExtensionIdentifier< \
+ CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) { \
+ return _proto_TypeTraits::Mutable(id.number(), _field_type, \
+ &_extensions_); \
+ } \
+ \
+ template <typename _proto_TypeTraits, \
+ ::google::protobuf::internal::FieldType _field_type, \
+ bool _is_packed> \
+ inline void SetExtension( \
+ const ::google::protobuf::internal::ExtensionIdentifier< \
+ CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id, \
+ typename _proto_TypeTraits::Singular::ConstType value) { \
+ _proto_TypeTraits::Set(id.number(), _field_type, value, &_extensions_); \
+ } \
+ \
+ template <typename _proto_TypeTraits, \
+ ::google::protobuf::internal::FieldType _field_type, \
+ bool _is_packed> \
+ inline void SetAllocatedExtension( \
+ const ::google::protobuf::internal::ExtensionIdentifier< \
+ CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id, \
+ typename _proto_TypeTraits::Singular::MutableType value) { \
+ _proto_TypeTraits::SetAllocated(id.number(), _field_type, \
+ value, &_extensions_); \
+ } \
+ template <typename _proto_TypeTraits, \
+ ::google::protobuf::internal::FieldType _field_type, \
+ bool _is_packed> \
+ inline typename _proto_TypeTraits::Singular::MutableType ReleaseExtension( \
+ const ::google::protobuf::internal::ExtensionIdentifier< \
+ CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) { \
+ return _proto_TypeTraits::Release(id.number(), _field_type, \
+ &_extensions_); \
+ } \
+ \
+ /* Repeated accessors */ \
+ template <typename _proto_TypeTraits, \
+ ::google::protobuf::internal::FieldType _field_type, \
+ bool _is_packed> \
+ inline typename _proto_TypeTraits::Repeated::ConstType GetExtension( \
+ const ::google::protobuf::internal::ExtensionIdentifier< \
+ CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id, \
+ int index) const { \
+ return _proto_TypeTraits::Get(id.number(), _extensions_, index); \
+ } \
+ \
+ template <typename _proto_TypeTraits, \
+ ::google::protobuf::internal::FieldType _field_type, \
+ bool _is_packed> \
+ inline typename _proto_TypeTraits::Repeated::MutableType MutableExtension( \
+ const ::google::protobuf::internal::ExtensionIdentifier< \
+ CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id, \
+ int index) { \
+ return _proto_TypeTraits::Mutable(id.number(), index, &_extensions_); \
+ } \
+ \
+ template <typename _proto_TypeTraits, \
+ ::google::protobuf::internal::FieldType _field_type, \
+ bool _is_packed> \
+ inline void SetExtension( \
+ const ::google::protobuf::internal::ExtensionIdentifier< \
+ CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id, \
+ int index, typename _proto_TypeTraits::Repeated::ConstType value) { \
+ _proto_TypeTraits::Set(id.number(), index, value, &_extensions_); \
+ } \
+ \
+ template <typename _proto_TypeTraits, \
+ ::google::protobuf::internal::FieldType _field_type, \
+ bool _is_packed> \
+ inline typename _proto_TypeTraits::Repeated::MutableType AddExtension( \
+ const ::google::protobuf::internal::ExtensionIdentifier< \
+ CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id) { \
+ return _proto_TypeTraits::Add(id.number(), _field_type, &_extensions_); \
+ } \
+ \
+ template <typename _proto_TypeTraits, \
+ ::google::protobuf::internal::FieldType _field_type, \
+ bool _is_packed> \
+ inline void AddExtension( \
+ const ::google::protobuf::internal::ExtensionIdentifier< \
+ CLASSNAME, _proto_TypeTraits, _field_type, _is_packed>& id, \
+ typename _proto_TypeTraits::Repeated::ConstType value) { \
+ _proto_TypeTraits::Add(id.number(), _field_type, _is_packed, \
+ value, &_extensions_); \
+ } \
+ \
+ template <typename _proto_TypeTraits, \
+ ::google::protobuf::internal::FieldType _field_type, \
+ bool _is_packed> \
+ inline const typename _proto_TypeTraits::Repeated::RepeatedFieldType& \
+ GetRepeatedExtension( \
+ const ::google::protobuf::internal::ExtensionIdentifier< \
+ CLASSNAME, _proto_TypeTraits, _field_type, \
+ _is_packed>& id) const { \
+ return _proto_TypeTraits::GetRepeated(id.number(), _extensions_); \
+ } \
+ \
+ template <typename _proto_TypeTraits, \
+ ::google::protobuf::internal::FieldType _field_type, \
+ bool _is_packed> \
+ inline typename _proto_TypeTraits::Repeated::RepeatedFieldType* \
+ MutableRepeatedExtension( \
+ const ::google::protobuf::internal::ExtensionIdentifier< \
+ CLASSNAME, _proto_TypeTraits, _field_type, \
+ _is_packed>& id) { \
+ return _proto_TypeTraits::MutableRepeated(id.number(), _field_type, \
+ _is_packed, &_extensions_); \
+ }
+
+} // namespace internal
+} // namespace protobuf
+
+} // namespace google
+#endif // GOOGLE_PROTOBUF_EXTENSION_SET_H__