diff options
Diffstat (limited to 'src/google/protobuf/generated_message_reflection.h')
| -rw-r--r-- | src/google/protobuf/generated_message_reflection.h | 315 |
1 files changed, 191 insertions, 124 deletions
diff --git a/src/google/protobuf/generated_message_reflection.h b/src/google/protobuf/generated_message_reflection.h index 579d6abe..48df8dc1 100644 --- a/src/google/protobuf/generated_message_reflection.h +++ b/src/google/protobuf/generated_message_reflection.h @@ -30,10 +30,13 @@ #include <google/protobuf/unknown_field_set.h> -// Generated code needs this to have been forward-declared. Easier to do it -// here than to print it inside every .pb.h file. namespace google { -namespace protobuf { class EnumDescriptor; } +namespace protobuf { + class DescriptorPool; + // Generated code needs this to have been forward-declared. Easier to do it + // here than to print it inside every .pb.h file. + class EnumDescriptor; +} namespace protobuf { namespace internal { @@ -48,7 +51,7 @@ class ExtensionSet; // extension_set.h // by generated code. This class is just a big hack that reduces code // size. // -// A GeneratedMessageReflection is an implementation of Message::Reflection +// A GeneratedMessageReflection is an implementation of Reflection // which expects all fields to be backed by simple variables located in // memory. The locations are given using a base pointer and a set of // offsets. @@ -68,122 +71,172 @@ class ExtensionSet; // extension_set.h // of whatever type the individual field would be. Strings and // Messages use RepeatedPtrFields while everything else uses // RepeatedFields. -class LIBPROTOBUF_EXPORT GeneratedMessageReflection : public Message::Reflection { +class LIBPROTOBUF_EXPORT GeneratedMessageReflection : public Reflection { public: // Constructs a GeneratedMessageReflection. // Parameters: // descriptor: The descriptor for the message type being implemented. - // base: Pointer to the location where the message object is - // stored. - // default_base: Pointer to the location where the message's default - // instance is stored. This is only used to obtain - // pointers to default instances of embedded messages, - // which GetMessage() will return if the particular sub- - // message has not been initialized yet. (Thus, all + // default_instance: The default instance of the message. This is only + // used to obtain pointers to default instances of embedded + // messages, which GetMessage() will return if the particular + // sub-message has not been initialized yet. (Thus, all // embedded message fields *must* have non-NULL pointers // in the default instance.) - // offsets: An array of bits giving the byte offsets, relative to - // "base" and "default_base", of each field. These can + // offsets: An array of ints giving the byte offsets, relative to + // the start of the message object, of each field. These can // be computed at compile time using the // GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET() macro, defined // below. - // has_bits: An array of uint32s of size descriptor->field_count()/32, - // rounded up. This is a bitfield where each bit indicates - // whether or not the corresponding field of the message - // has been initialized. The bit for field index i is - // obtained by the expression: + // has_bits_offset: Offset in the message of an array of uint32s of size + // descriptor->field_count()/32, rounded up. This is a + // bitfield where each bit indicates whether or not the + // corresponding field of the message has been initialized. + // The bit for field index i is obtained by the expression: // has_bits[i / 32] & (1 << (i % 32)) - // extensions: The ExtensionSet for this message, or NULL if the - // message type has no extension ranges. + // unknown_fields_offset: Offset in the message of the UnknownFieldSet for + // the message. + // extensions_offset: Offset in the message of the ExtensionSet for the + // message, or -1 if the message type has no extension + // ranges. + // pool: DescriptorPool to search for extension definitions. Only + // used by FindKnownExtensionByName() and + // FindKnownExtensionByNumber(). GeneratedMessageReflection(const Descriptor* descriptor, - void* base, const void* default_base, - const int offsets[], uint32 has_bits[], - ExtensionSet* extensions); + const Message* default_instance, + const int offsets[], + int has_bits_offset, + int unknown_fields_offset, + int extensions_offset, + const DescriptorPool* pool); ~GeneratedMessageReflection(); - inline const UnknownFieldSet& unknown_fields() const { - return unknown_fields_; - } - inline UnknownFieldSet* mutable_unknown_fields() { - return &unknown_fields_; - } - - // implements Message::Reflection ---------------------------------- - - const UnknownFieldSet& GetUnknownFields() const; - UnknownFieldSet* MutableUnknownFields(); - - bool HasField(const FieldDescriptor* field) const; - int FieldSize(const FieldDescriptor* field) const; - void ClearField(const FieldDescriptor* field); - void ListFields(vector<const FieldDescriptor*>* output) const; - - int32 GetInt32 (const FieldDescriptor* field) const; - int64 GetInt64 (const FieldDescriptor* field) const; - uint32 GetUInt32(const FieldDescriptor* field) const; - uint64 GetUInt64(const FieldDescriptor* field) const; - float GetFloat (const FieldDescriptor* field) const; - double GetDouble(const FieldDescriptor* field) const; - bool GetBool (const FieldDescriptor* field) const; - string GetString(const FieldDescriptor* field) const; - const string& GetStringReference(const FieldDescriptor* field, + // implements Reflection ------------------------------------------- + + const UnknownFieldSet& GetUnknownFields(const Message& message) const; + UnknownFieldSet* MutableUnknownFields(Message* message) const; + + bool HasField(const Message& message, const FieldDescriptor* field) const; + int FieldSize(const Message& message, const FieldDescriptor* field) const; + void ClearField(Message* message, const FieldDescriptor* field) const; + void ListFields(const Message& message, + vector<const FieldDescriptor*>* output) const; + + int32 GetInt32 (const Message& message, + const FieldDescriptor* field) const; + int64 GetInt64 (const Message& message, + const FieldDescriptor* field) const; + uint32 GetUInt32(const Message& message, + const FieldDescriptor* field) const; + uint64 GetUInt64(const Message& message, + const FieldDescriptor* field) const; + float GetFloat (const Message& message, + const FieldDescriptor* field) const; + double GetDouble(const Message& message, + const FieldDescriptor* field) const; + bool GetBool (const Message& message, + const FieldDescriptor* field) const; + string GetString(const Message& message, + const FieldDescriptor* field) const; + const string& GetStringReference(const Message& message, + const FieldDescriptor* field, string* scratch) const; - const EnumValueDescriptor* GetEnum(const FieldDescriptor* field) const; - const Message& GetMessage(const FieldDescriptor* field) const; - - void SetInt32 (const FieldDescriptor* field, int32 value); - void SetInt64 (const FieldDescriptor* field, int64 value); - void SetUInt32(const FieldDescriptor* field, uint32 value); - void SetUInt64(const FieldDescriptor* field, uint64 value); - void SetFloat (const FieldDescriptor* field, float value); - void SetDouble(const FieldDescriptor* field, double value); - void SetBool (const FieldDescriptor* field, bool value); - void SetString(const FieldDescriptor* field, - const string& value); - void SetEnum (const FieldDescriptor* field, - const EnumValueDescriptor* value); - Message* MutableMessage(const FieldDescriptor* field); - - int32 GetRepeatedInt32 (const FieldDescriptor* field, int index) const; - int64 GetRepeatedInt64 (const FieldDescriptor* field, int index) const; - uint32 GetRepeatedUInt32(const FieldDescriptor* field, int index) const; - uint64 GetRepeatedUInt64(const FieldDescriptor* field, int index) const; - float GetRepeatedFloat (const FieldDescriptor* field, int index) const; - double GetRepeatedDouble(const FieldDescriptor* field, int index) const; - bool GetRepeatedBool (const FieldDescriptor* field, int index) const; - string GetRepeatedString(const FieldDescriptor* field, int index) const; - const string& GetRepeatedStringReference(const FieldDescriptor* field, + const EnumValueDescriptor* GetEnum(const Message& message, + const FieldDescriptor* field) const; + const Message& GetMessage(const Message& message, + const FieldDescriptor* field) const; + + void SetInt32 (Message* message, + const FieldDescriptor* field, int32 value) const; + void SetInt64 (Message* message, + const FieldDescriptor* field, int64 value) const; + void SetUInt32(Message* message, + const FieldDescriptor* field, uint32 value) const; + void SetUInt64(Message* message, + const FieldDescriptor* field, uint64 value) const; + void SetFloat (Message* message, + const FieldDescriptor* field, float value) const; + void SetDouble(Message* message, + const FieldDescriptor* field, double value) const; + void SetBool (Message* message, + const FieldDescriptor* field, bool value) const; + void SetString(Message* message, + const FieldDescriptor* field, + const string& value) const; + void SetEnum (Message* message, const FieldDescriptor* field, + const EnumValueDescriptor* value) const; + Message* MutableMessage(Message* message, const FieldDescriptor* field) const; + + int32 GetRepeatedInt32 (const Message& message, + const FieldDescriptor* field, int index) const; + int64 GetRepeatedInt64 (const Message& message, + const FieldDescriptor* field, int index) const; + uint32 GetRepeatedUInt32(const Message& message, + const FieldDescriptor* field, int index) const; + uint64 GetRepeatedUInt64(const Message& message, + const FieldDescriptor* field, int index) const; + float GetRepeatedFloat (const Message& message, + const FieldDescriptor* field, int index) const; + double GetRepeatedDouble(const Message& message, + const FieldDescriptor* field, int index) const; + bool GetRepeatedBool (const Message& message, + const FieldDescriptor* field, int index) const; + string GetRepeatedString(const Message& message, + const FieldDescriptor* field, int index) const; + const string& GetRepeatedStringReference(const Message& message, + const FieldDescriptor* field, int index, string* scratch) const; - const EnumValueDescriptor* GetRepeatedEnum(const FieldDescriptor* field, + const EnumValueDescriptor* GetRepeatedEnum(const Message& message, + const FieldDescriptor* field, int index) const; - const Message& GetRepeatedMessage(const FieldDescriptor* field, + const Message& GetRepeatedMessage(const Message& message, + const FieldDescriptor* field, int index) const; // Set the value of a field. - void SetRepeatedInt32 (const FieldDescriptor* field, int index, int32 value); - void SetRepeatedInt64 (const FieldDescriptor* field, int index, int64 value); - void SetRepeatedUInt32(const FieldDescriptor* field, int index, uint32 value); - void SetRepeatedUInt64(const FieldDescriptor* field, int index, uint64 value); - void SetRepeatedFloat (const FieldDescriptor* field, int index, float value); - void SetRepeatedDouble(const FieldDescriptor* field, int index, double value); - void SetRepeatedBool (const FieldDescriptor* field, int index, bool value); - void SetRepeatedString(const FieldDescriptor* field, int index, - const string& value); - void SetRepeatedEnum (const FieldDescriptor* field, int index, - const EnumValueDescriptor* value); + void SetRepeatedInt32 (Message* message, + const FieldDescriptor* field, int index, int32 value) const; + void SetRepeatedInt64 (Message* message, + const FieldDescriptor* field, int index, int64 value) const; + void SetRepeatedUInt32(Message* message, + const FieldDescriptor* field, int index, uint32 value) const; + void SetRepeatedUInt64(Message* message, + const FieldDescriptor* field, int index, uint64 value) const; + void SetRepeatedFloat (Message* message, + const FieldDescriptor* field, int index, float value) const; + void SetRepeatedDouble(Message* message, + const FieldDescriptor* field, int index, double value) const; + void SetRepeatedBool (Message* message, + const FieldDescriptor* field, int index, bool value) const; + void SetRepeatedString(Message* message, + const FieldDescriptor* field, int index, + const string& value) const; + void SetRepeatedEnum(Message* message, const FieldDescriptor* field, + int index, const EnumValueDescriptor* value) const; // Get a mutable pointer to a field with a message type. - Message* MutableRepeatedMessage(const FieldDescriptor* field, int index); - - void AddInt32 (const FieldDescriptor* field, int32 value); - void AddInt64 (const FieldDescriptor* field, int64 value); - void AddUInt32(const FieldDescriptor* field, uint32 value); - void AddUInt64(const FieldDescriptor* field, uint64 value); - void AddFloat (const FieldDescriptor* field, float value); - void AddDouble(const FieldDescriptor* field, double value); - void AddBool (const FieldDescriptor* field, bool value); - void AddString(const FieldDescriptor* field, const string& value); - void AddEnum(const FieldDescriptor* field, const EnumValueDescriptor* value); - Message* AddMessage(const FieldDescriptor* field); + Message* MutableRepeatedMessage(Message* message, + const FieldDescriptor* field, + int index) const; + + void AddInt32 (Message* message, + const FieldDescriptor* field, int32 value) const; + void AddInt64 (Message* message, + const FieldDescriptor* field, int64 value) const; + void AddUInt32(Message* message, + const FieldDescriptor* field, uint32 value) const; + void AddUInt64(Message* message, + const FieldDescriptor* field, uint64 value) const; + void AddFloat (Message* message, + const FieldDescriptor* field, float value) const; + void AddDouble(Message* message, + const FieldDescriptor* field, double value) const; + void AddBool (Message* message, + const FieldDescriptor* field, bool value) const; + void AddString(Message* message, + const FieldDescriptor* field, const string& value) const; + void AddEnum(Message* message, + const FieldDescriptor* field, + const EnumValueDescriptor* value) const; + Message* AddMessage(Message* message, const FieldDescriptor* field) const; const FieldDescriptor* FindKnownExtensionByName(const string& name) const; const FieldDescriptor* FindKnownExtensionByNumber(int number) const; @@ -192,50 +245,64 @@ class LIBPROTOBUF_EXPORT GeneratedMessageReflection : public Message::Reflection friend class GeneratedMessage; const Descriptor* descriptor_; - void* base_; - const void* default_base_; + const Message* default_instance_; const int* offsets_; - // TODO(kenton): These two pointers just point back into the message object. - // We could save space by removing them and using offsets instead. - uint32* has_bits_; - ExtensionSet* extensions_; + int has_bits_offset_; + int unknown_fields_offset_; + int extensions_offset_; - // We put this directly in the GeneratedMessageReflection because every - // message class needs it, and if we don't find any unknown fields, it - // takes up only one pointer of space. - UnknownFieldSet unknown_fields_; + const DescriptorPool* descriptor_pool_; template <typename Type> - inline const Type& GetRaw(const FieldDescriptor* field) const; + inline const Type& GetRaw(const Message& message, + const FieldDescriptor* field) const; template <typename Type> - inline Type* MutableRaw(const FieldDescriptor* field); + inline Type* MutableRaw(Message* message, + const FieldDescriptor* field) const; template <typename Type> inline const Type& DefaultRaw(const FieldDescriptor* field) const; inline const Message* GetMessagePrototype(const FieldDescriptor* field) const; - inline bool HasBit(const FieldDescriptor* field) const; - inline void SetBit(const FieldDescriptor* field); - inline void ClearBit(const FieldDescriptor* field); + inline const uint32* GetHasBits(const Message& message) const; + inline uint32* MutableHasBits(Message* message) const; + inline const ExtensionSet& GetExtensionSet(const Message& message) const; + inline ExtensionSet* MutableExtensionSet(Message* message) const; + + inline bool HasBit(const Message& message, + const FieldDescriptor* field) const; + inline void SetBit(Message* message, + const FieldDescriptor* field) const; + inline void ClearBit(Message* message, + const FieldDescriptor* field) const; template <typename Type> - inline const Type& GetField(const FieldDescriptor* field) const; + inline const Type& GetField(const Message& message, + const FieldDescriptor* field) const; template <typename Type> - inline void SetField(const FieldDescriptor* field, const Type& value); + inline void SetField(Message* message, + const FieldDescriptor* field, const Type& value) const; template <typename Type> - inline Type* MutableField(const FieldDescriptor* field); + inline Type* MutableField(Message* message, + const FieldDescriptor* field) const; template <typename Type> - inline const Type& GetRepeatedField(const FieldDescriptor* field, + inline const Type& GetRepeatedField(const Message& message, + const FieldDescriptor* field, int index) const; template <typename Type> - inline void SetRepeatedField(const FieldDescriptor* field, int index, - const Type& value); + inline void SetRepeatedField(Message* message, + const FieldDescriptor* field, int index, + const Type& value) const; template <typename Type> - inline Type* MutableRepeatedField(const FieldDescriptor* field, int index); + inline Type* MutableRepeatedField(Message* message, + const FieldDescriptor* field, + int index) const; template <typename Type> - inline void AddField(const FieldDescriptor* field, const Type& value); + inline void AddField(Message* message, + const FieldDescriptor* field, const Type& value) const; template <typename Type> - inline Type* AddField(const FieldDescriptor* field); + inline Type* AddField(Message* message, + const FieldDescriptor* field) const; int GetExtensionNumberOrDie(const Descriptor* type) const; |