diff options
Diffstat (limited to 'src/google/protobuf/generated_message_reflection.h')
| -rw-r--r-- | src/google/protobuf/generated_message_reflection.h | 144 |
1 files changed, 32 insertions, 112 deletions
diff --git a/src/google/protobuf/generated_message_reflection.h b/src/google/protobuf/generated_message_reflection.h index b6671ad..b545fa1 100644 --- a/src/google/protobuf/generated_message_reflection.h +++ b/src/google/protobuf/generated_message_reflection.h @@ -1,6 +1,6 @@ // Protocol Buffers - Google's data interchange format // Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ +// http://code.google.com/p/protobuf/ // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are @@ -40,28 +40,21 @@ #include <string> #include <vector> -#include <google/protobuf/stubs/common.h> -// TODO(jasonh): Remove this once the compiler change to directly include this -// is released to components. -#include <google/protobuf/generated_enum_reflection.h> #include <google/protobuf/message.h> #include <google/protobuf/unknown_field_set.h> namespace google { -namespace upb { -namespace google_opensource { -class GMR_Handlers; -} // namespace google_opensource -} // namespace upb - namespace protobuf { class DescriptorPool; + // Generated code needs these to have been forward-declared. Easier to do it + // here than to print them inside every .pb.h file. + class FileDescriptor; + class EnumDescriptor; } namespace protobuf { namespace internal { -class DefaultEmptyOneof; // Defined in this file. class GeneratedMessageReflection; @@ -135,42 +128,6 @@ class LIBPROTOBUF_EXPORT GeneratedMessageReflection : public Reflection { const DescriptorPool* pool, MessageFactory* factory, int object_size); - - // Similar with the construction above. Call this construction if the - // message has oneof definition. - // Parameters: - // offsets: An array of ints giving the byte offsets. - // For each oneof field, the offset is relative to the - // default_oneof_instance. These can be computed at compile - // time using the - // PROTO2_GENERATED_DEFAULT_ONEOF_FIELD_OFFSET() macro. - // For each none oneof field, the offset is related to - // the start of the message object. These can be computed - // at compile time using the - // GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET() macro. - // Besides offsets for all fields, this array also contains - // offsets for oneof unions. The offset of the i-th oneof - // union is offsets[descriptor->field_count() + i]. - // default_oneof_instance: The default instance of the oneofs. It is a - // struct holding the default value of all oneof fields - // for this message. It is only used to obtain pointers - // to default instances of oneof fields, which Get - // methods will return if the field is not set. - // oneof_case_offset: Offset in the message of an array of uint32s of - // size descriptor->oneof_decl_count(). Each uint32 - // indicates what field is set for each oneof. - // other parameters are the same with the construction above. - GeneratedMessageReflection(const Descriptor* descriptor, - const Message* default_instance, - const int offsets[], - int has_bits_offset, - int unknown_fields_offset, - int extensions_offset, - const void* default_oneof_instance, - int oneof_case_offset, - const DescriptorPool* pool, - MessageFactory* factory, - int object_size); ~GeneratedMessageReflection(); // implements Reflection ------------------------------------------- @@ -183,16 +140,10 @@ class LIBPROTOBUF_EXPORT GeneratedMessageReflection : public Reflection { 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; - bool HasOneof(const Message& message, - const OneofDescriptor* oneof_descriptor) const; - void ClearOneof(Message* message, const OneofDescriptor* field) const; void RemoveLast(Message* message, const FieldDescriptor* field) const; - Message* ReleaseLast(Message* message, const FieldDescriptor* field) const; void Swap(Message* message1, Message* message2) const; - void SwapFields(Message* message1, Message* message2, - const vector<const FieldDescriptor*>& fields) const; void SwapElements(Message* message, const FieldDescriptor* field, - int index1, int index2) const; + int index1, int index2) const; void ListFields(const Message& message, vector<const FieldDescriptor*>* output) const; @@ -221,11 +172,6 @@ class LIBPROTOBUF_EXPORT GeneratedMessageReflection : public Reflection { const FieldDescriptor* field, MessageFactory* factory = NULL) const; - const FieldDescriptor* GetOneofFieldDescriptor( - const Message& message, - const OneofDescriptor* oneof_descriptor) const; - - public: void SetInt32 (Message* message, const FieldDescriptor* field, int32 value) const; void SetInt64 (Message* message, @@ -247,11 +193,6 @@ class LIBPROTOBUF_EXPORT GeneratedMessageReflection : public Reflection { const EnumValueDescriptor* value) const; Message* MutableMessage(Message* message, const FieldDescriptor* field, MessageFactory* factory = NULL) const; - void SetAllocatedMessage(Message* message, - Message* sub_message, - const FieldDescriptor* field) const; - Message* ReleaseMessage(Message* message, const FieldDescriptor* field, - MessageFactory* factory = NULL) const; int32 GetRepeatedInt32 (const Message& message, const FieldDescriptor* field, int index) const; @@ -329,25 +270,14 @@ class LIBPROTOBUF_EXPORT GeneratedMessageReflection : public Reflection { const FieldDescriptor* FindKnownExtensionByName(const string& name) const; const FieldDescriptor* FindKnownExtensionByNumber(int number) const; - protected: - virtual void* MutableRawRepeatedField( - Message* message, const FieldDescriptor* field, FieldDescriptor::CppType, - int ctype, const Descriptor* desc) const; - private: friend class GeneratedMessage; - // To parse directly into a proto2 generated class, the class GMR_Handlers - // needs access to member offsets and hasbits. - friend class LIBPROTOBUF_EXPORT upb::google_opensource::GMR_Handlers; - const Descriptor* descriptor_; const Message* default_instance_; - const void* default_oneof_instance_; const int* offsets_; int has_bits_offset_; - int oneof_case_offset_; int unknown_fields_offset_; int extensions_offset_; int object_size_; @@ -363,17 +293,10 @@ class LIBPROTOBUF_EXPORT GeneratedMessageReflection : public Reflection { const FieldDescriptor* field) const; template <typename Type> inline const Type& DefaultRaw(const FieldDescriptor* field) const; - template <typename Type> - inline const Type& DefaultOneofRaw(const FieldDescriptor* field) const; + inline const Message* GetMessagePrototype(const FieldDescriptor* field) const; inline const uint32* GetHasBits(const Message& message) const; inline uint32* MutableHasBits(Message* message) const; - inline uint32 GetOneofCase( - const Message& message, - const OneofDescriptor* oneof_descriptor) const; - inline uint32* MutableOneofCase( - Message* message, - const OneofDescriptor* oneof_descriptor) const; inline const ExtensionSet& GetExtensionSet(const Message& message) const; inline ExtensionSet* MutableExtensionSet(Message* message) const; @@ -383,26 +306,6 @@ class LIBPROTOBUF_EXPORT GeneratedMessageReflection : public Reflection { const FieldDescriptor* field) const; inline void ClearBit(Message* message, const FieldDescriptor* field) const; - inline void SwapBit(Message* message1, - Message* message2, - const FieldDescriptor* field) const; - - // This function only swaps the field. Should swap corresponding has_bit - // before or after using this function. - void SwapField(Message* message1, - Message* message2, - const FieldDescriptor* field) const; - - void SwapOneofField(Message* message1, - Message* message2, - const OneofDescriptor* oneof_descriptor) const; - - inline bool HasOneofField(const Message& message, - const FieldDescriptor* field) const; - inline void SetOneofCase(Message* message, - const FieldDescriptor* field) const; - inline void ClearOneofField(Message* message, - const FieldDescriptor* field) const; template <typename Type> inline const Type& GetField(const Message& message, @@ -456,14 +359,9 @@ class LIBPROTOBUF_EXPORT GeneratedMessageReflection : public Reflection { // be confused by an unaligned pointer. #define GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(TYPE, FIELD) \ static_cast<int>( \ - reinterpret_cast<const char*>( \ - &reinterpret_cast<const TYPE*>(16)->FIELD) - \ - reinterpret_cast<const char*>(16)) - -#define PROTO2_GENERATED_DEFAULT_ONEOF_FIELD_OFFSET(ONEOF, FIELD) \ - static_cast<int>( \ - reinterpret_cast<const char*>(&(ONEOF->FIELD)) \ - - reinterpret_cast<const char*>(ONEOF)) + reinterpret_cast<const char*>( \ + &reinterpret_cast<const TYPE*>(16)->FIELD) - \ + reinterpret_cast<const char*>(16)) // There are some places in proto2 where dynamic_cast would be useful as an // optimization. For example, take Message::MergeFrom(const Message& other). @@ -497,6 +395,28 @@ inline To dynamic_cast_if_available(From from) { #endif } +// Helper for EnumType_Parse functions: try to parse the string 'name' as an +// enum name of the given type, returning true and filling in value on success, +// or returning false and leaving value unchanged on failure. +LIBPROTOBUF_EXPORT bool ParseNamedEnum(const EnumDescriptor* descriptor, + const string& name, + int* value); + +template<typename EnumType> +bool ParseNamedEnum(const EnumDescriptor* descriptor, + const string& name, + EnumType* value) { + int tmp; + if (!ParseNamedEnum(descriptor, name, &tmp)) return false; + *value = static_cast<EnumType>(tmp); + return true; +} + +// Just a wrapper around printing the name of a value. The main point of this +// function is not to be inlined, so that you can do this without including +// descriptor.h. +LIBPROTOBUF_EXPORT const string& NameOfEnum(const EnumDescriptor* descriptor, int value); + } // namespace internal } // namespace protobuf |