Struct protobuf::reflect::MessageDescriptor

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pub struct MessageDescriptor { /* private fields */ }

Expand description

Dynamic representation of message type.

Used for reflection.

Implementations

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impl MessageDescriptor

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pub fn proto(&self) -> &DescriptorProto

Get underlying DescriptorProto object.

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pub fn name(&self) -> &str

Message name as specified in .proto file.

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pub fn for_type<M: MessageFull>() -> MessageDescriptor

Get a message descriptor for given message type

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pub fn nested_messages(&self) -> impl Iterator<Item = MessageDescriptor> + '_

Messages declared in this messages.

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pub fn nested_enums(&self) -> impl Iterator<Item = EnumDescriptor> + '_

Get enums declared in this message.

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pub fn enclosing_message(&self) -> Option<MessageDescriptor>

Get a message containing this message, or None if this message is declared at file level.

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pub fn file_descriptor(&self) -> &FileDescriptor

FileDescriptor containing this message.

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pub fn file_descriptor_proto(&self) -> &FileDescriptorProto

FileDescriptorProto containg this message type

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pub fn is_map_entry(&self) -> bool

This message descriptor is a map entry.

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pub fn new_instance(&self) -> Box<dyn MessageDyn>

New empty message.

Panics

If this message is a map entry message.

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pub fn default_instance(&self) -> Option<&'static dyn MessageDyn>

Shared immutable empty message.

Returns None for dynamic message.

Panics

If this message is a map entry message.

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pub fn eq(&self, a: &dyn MessageDyn, b: &dyn MessageDyn) -> bool

Check if two messages equal.

Panics

Is any message has different type than this descriptor.

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pub fn full_name(&self) -> &str

Fully qualified protobuf message name

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pub fn name_to_package(&self) -> &str

Name relative to the package where the message is declared.

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pub fn all_oneofs<'a>(&'a self) -> impl Iterator<Item = OneofDescriptor> + 'a

Nested oneofs including synthetic.

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pub fn oneofs<'a>(&'a self) -> impl Iterator<Item = OneofDescriptor> + 'a

Non-synthetic oneofs.

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pub fn oneof_by_name(&self, name: &str) -> Option<OneofDescriptor>

Get message oneof by name (not implemented).

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pub fn fields<'a>(&'a self) -> impl Iterator<Item = FieldDescriptor> + 'a

Message field descriptors.

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pub fn extensions(&self) -> impl Iterator<Item = FieldDescriptor> + '_

Extension fields.

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pub fn field_by_name(&self, name: &str) -> Option<FieldDescriptor>

Find message field by protobuf field name

Note: protobuf field name might be different for Rust field name.

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pub fn field_by_name_or_json_name<'a>(
&'a self,
name: &str
) -> Option<FieldDescriptor>

Find message field by field name or field JSON name

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pub fn field_by_number(&self, number: u32) -> Option<FieldDescriptor>

Find message field by field name

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pub fn parse_from(
&self,
is: &mut CodedInputStream<'_>
) -> Result<Box<dyn MessageDyn>>

Parse message from stream.

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pub fn parse_from_reader(
&self,
reader: &mut dyn Read
) -> Result<Box<dyn MessageDyn>>

Parse message from reader. Parse stops on EOF or when error encountered.

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pub fn parse_from_bytes(&self, bytes: &[u8]) -> Result<Box<dyn MessageDyn>>

Parse message from byte array.

Trait Implementations

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impl Clone for MessageDescriptor

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fn clone(&self) -> MessageDescriptor

Returns a copy of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for MessageDescriptor

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl Display for MessageDescriptor

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl Hash for MessageDescriptor

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fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more

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fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

Feeds a slice of this type into the given Hasher. Read more

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impl PartialEq<MessageDescriptor> for MessageDescriptor

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fn eq(&self, other: &MessageDescriptor) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

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fn ne(&self, other: &MessageDescriptor) -> bool

This method tests for !=.

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impl Eq for MessageDescriptor

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impl StructuralEq for MessageDescriptor

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impl StructuralPartialEq for MessageDescriptor

Auto Trait Implementations

impl !RefUnwindSafe for MessageDescriptor

impl Send for MessageDescriptor

impl Sync for MessageDescriptor

impl Unpin for MessageDescriptor

impl !UnwindSafe for MessageDescriptor

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T> ToString for T where
T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct protobuf::reflect::MessageDescriptor

Implementations

impl MessageDescriptor

pub fn proto(&self) -> &DescriptorProto

pub fn name(&self) -> &str

pub fn for_type<M: MessageFull>() -> MessageDescriptor

pub fn nested_messages(&self) -> impl Iterator<Item = MessageDescriptor> + '_

pub fn nested_enums(&self) -> impl Iterator<Item = EnumDescriptor> + '_

pub fn enclosing_message(&self) -> Option<MessageDescriptor>

pub fn file_descriptor(&self) -> &FileDescriptor

pub fn file_descriptor_proto(&self) -> &FileDescriptorProto

pub fn is_map_entry(&self) -> bool

pub fn new_instance(&self) -> Box<dyn MessageDyn>

pub fn default_instance(&self) -> Option<&'static dyn MessageDyn>

pub fn eq(&self, a: &dyn MessageDyn, b: &dyn MessageDyn) -> bool

pub fn full_name(&self) -> &str

pub fn name_to_package(&self) -> &str

pub fn all_oneofs<'a>(&'a self) -> impl Iterator<Item = OneofDescriptor> + 'a

pub fn oneofs<'a>(&'a self) -> impl Iterator<Item = OneofDescriptor> + 'a

pub fn oneof_by_name(&self, name: &str) -> Option<OneofDescriptor>

pub fn fields<'a>(&'a self) -> impl Iterator<Item = FieldDescriptor> + 'a

pub fn extensions(&self) -> impl Iterator<Item = FieldDescriptor> + '_

pub fn field_by_name(&self, name: &str) -> Option<FieldDescriptor>

pub fn field_by_name_or_json_name<'a>( &'a self, name: &str) -> Option<FieldDescriptor>

pub fn field_by_number(&self, number: u32) -> Option<FieldDescriptor>

pub fn parse_from( &self, is: &mut CodedInputStream<'_>) -> Result<Box<dyn MessageDyn>>

pub fn parse_from_reader( &self, reader: &mut dyn Read) -> Result<Box<dyn MessageDyn>>

pub fn parse_from_bytes(&self, bytes: &[u8]) -> Result<Box<dyn MessageDyn>>

Trait Implementations

impl Clone for MessageDescriptor

fn clone(&self) -> MessageDescriptor

fn clone_from(&mut self, source: &Self)

impl Debug for MessageDescriptor

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl Display for MessageDescriptor

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl Hash for MessageDescriptor

fn hash<__H: Hasher>(&self, state: &mut __H)

fn hash_slice<H>(data: &[Self], state: &mut H) where H: Hasher,

impl PartialEq<MessageDescriptor> for MessageDescriptor

fn eq(&self, other: &MessageDescriptor) -> bool

fn ne(&self, other: &MessageDescriptor) -> bool

impl Eq for MessageDescriptor

impl StructuralEq for MessageDescriptor

impl StructuralPartialEq for MessageDescriptor

Auto Trait Implementations

impl !RefUnwindSafe for MessageDescriptor

impl Send for MessageDescriptor

impl Sync for MessageDescriptor

impl Unpin for MessageDescriptor

impl !UnwindSafe for MessageDescriptor

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T> ToString for T where T: Display + ?Sized,

default fn to_string(&self) -> String

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

pub fn field_by_name_or_json_name<'a>(
&'a self,
name: &str
) -> Option<FieldDescriptor>

pub fn parse_from(
&self,
is: &mut CodedInputStream<'_>
) -> Result<Box<dyn MessageDyn>>

pub fn parse_from_reader(
&self,
reader: &mut dyn Read
) -> Result<Box<dyn MessageDyn>>

fn hash<H: Hasher>(&self, state: &mut H)

fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T> ToString for T where
T: Display + ?Sized,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,