[−][src]Struct protobuf::CodedInputStream
Buffered read with handy utilities.
Methods
impl<'a> CodedInputStream<'a>
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ⓘImportant traits for CodedInputStream<'a>pub fn new(read: &'a mut dyn Read) -> CodedInputStream<'a>
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Wrap a Read
.
Note resulting CodedInputStream
is buffered even if Read
is not.
ⓘImportant traits for CodedInputStream<'a>pub fn from_buffered_reader(
buf_read: &'a mut dyn BufRead
) -> CodedInputStream<'a>
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buf_read: &'a mut dyn BufRead
) -> CodedInputStream<'a>
Create from BufRead
.
CodedInputStream
will utilize BufRead
buffer.
ⓘImportant traits for CodedInputStream<'a>pub fn from_bytes(bytes: &'a [u8]) -> CodedInputStream<'a>
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Read from byte slice
ⓘImportant traits for CodedInputStream<'a>pub fn from_carllerche_bytes(bytes: &'a Bytes) -> CodedInputStream<'a>
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Read from Bytes
.
CodedInputStream
operations like
read_carllerche_bytes
will return a shared copy of this bytes object.
pub fn set_recursion_limit(&mut self, limit: u32)
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Set the recursion limit.
pub fn pos(&self) -> u64
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How many bytes processed
pub fn bytes_until_limit(&self) -> u64
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How many bytes until current limit
pub fn read(&mut self, buf: &mut [u8]) -> ProtobufResult<()>
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Read bytes into given buf
.
Return 0
on EOF.
pub fn read_raw_byte(&mut self) -> ProtobufResult<u8>
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Read one byte
pub fn push_limit(&mut self, limit: u64) -> ProtobufResult<u64>
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Push new limit, return previous limit.
pub fn pop_limit(&mut self, old_limit: u64)
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Restore previous limit.
pub fn eof(&mut self) -> ProtobufResult<bool>
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Are we at EOF?
pub fn check_eof(&mut self) -> ProtobufResult<()>
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Check we are at EOF.
Return error if we are not at EOF.
pub fn read_raw_varint64(&mut self) -> ProtobufResult<u64>
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Read varint
pub fn read_raw_varint32(&mut self) -> ProtobufResult<u32>
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Read varint
pub fn read_raw_little_endian32(&mut self) -> ProtobufResult<u32>
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Read little-endian 32-bit integer
pub fn read_raw_little_endian64(&mut self) -> ProtobufResult<u64>
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Read little-endian 64-bit integer
pub fn read_tag(&mut self) -> ProtobufResult<Tag>
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Read tag
pub fn read_tag_unpack(&mut self) -> ProtobufResult<(u32, WireType)>
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Read tag, return it is pair (field number, wire type)
pub fn read_double(&mut self) -> ProtobufResult<f64>
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Read double
pub fn read_float(&mut self) -> ProtobufResult<f32>
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Read float
pub fn read_int64(&mut self) -> ProtobufResult<i64>
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Read int64
pub fn read_int32(&mut self) -> ProtobufResult<i32>
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Read int32
pub fn read_uint64(&mut self) -> ProtobufResult<u64>
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Read uint64
pub fn read_uint32(&mut self) -> ProtobufResult<u32>
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Read uint32
pub fn read_sint64(&mut self) -> ProtobufResult<i64>
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Read sint64
pub fn read_sint32(&mut self) -> ProtobufResult<i32>
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Read sint32
pub fn read_fixed64(&mut self) -> ProtobufResult<u64>
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Read fixed64
pub fn read_fixed32(&mut self) -> ProtobufResult<u32>
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Read fixed32
pub fn read_sfixed64(&mut self) -> ProtobufResult<i64>
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Read sfixed64
pub fn read_sfixed32(&mut self) -> ProtobufResult<i32>
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Read sfixed32
pub fn read_bool(&mut self) -> ProtobufResult<bool>
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Read bool
pub fn read_enum<E: ProtobufEnum>(&mut self) -> ProtobufResult<E>
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Read enum
as ProtobufEnum
pub fn read_repeated_packed_double_into(
&mut self,
target: &mut Vec<f64>
) -> ProtobufResult<()>
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&mut self,
target: &mut Vec<f64>
) -> ProtobufResult<()>
Read repeated
packed double
pub fn read_repeated_packed_float_into(
&mut self,
target: &mut Vec<f32>
) -> ProtobufResult<()>
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&mut self,
target: &mut Vec<f32>
) -> ProtobufResult<()>
Read repeated
packed float
pub fn read_repeated_packed_int64_into(
&mut self,
target: &mut Vec<i64>
) -> ProtobufResult<()>
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&mut self,
target: &mut Vec<i64>
) -> ProtobufResult<()>
Read repeated
packed int64
pub fn read_repeated_packed_int32_into(
&mut self,
target: &mut Vec<i32>
) -> ProtobufResult<()>
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&mut self,
target: &mut Vec<i32>
) -> ProtobufResult<()>
Read repeated packed int32
pub fn read_repeated_packed_uint64_into(
&mut self,
target: &mut Vec<u64>
) -> ProtobufResult<()>
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&mut self,
target: &mut Vec<u64>
) -> ProtobufResult<()>
Read repeated packed uint64
pub fn read_repeated_packed_uint32_into(
&mut self,
target: &mut Vec<u32>
) -> ProtobufResult<()>
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&mut self,
target: &mut Vec<u32>
) -> ProtobufResult<()>
Read repeated packed uint32
pub fn read_repeated_packed_sint64_into(
&mut self,
target: &mut Vec<i64>
) -> ProtobufResult<()>
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&mut self,
target: &mut Vec<i64>
) -> ProtobufResult<()>
Read repeated packed sint64
pub fn read_repeated_packed_sint32_into(
&mut self,
target: &mut Vec<i32>
) -> ProtobufResult<()>
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&mut self,
target: &mut Vec<i32>
) -> ProtobufResult<()>
Read repeated packed sint32
pub fn read_repeated_packed_fixed64_into(
&mut self,
target: &mut Vec<u64>
) -> ProtobufResult<()>
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&mut self,
target: &mut Vec<u64>
) -> ProtobufResult<()>
Read repeated packed fixed64
pub fn read_repeated_packed_fixed32_into(
&mut self,
target: &mut Vec<u32>
) -> ProtobufResult<()>
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&mut self,
target: &mut Vec<u32>
) -> ProtobufResult<()>
Read repeated packed fixed32
pub fn read_repeated_packed_sfixed64_into(
&mut self,
target: &mut Vec<i64>
) -> ProtobufResult<()>
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&mut self,
target: &mut Vec<i64>
) -> ProtobufResult<()>
Read repeated packed sfixed64
pub fn read_repeated_packed_sfixed32_into(
&mut self,
target: &mut Vec<i32>
) -> ProtobufResult<()>
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&mut self,
target: &mut Vec<i32>
) -> ProtobufResult<()>
Read repeated packed sfixed32
pub fn read_repeated_packed_bool_into(
&mut self,
target: &mut Vec<bool>
) -> ProtobufResult<()>
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&mut self,
target: &mut Vec<bool>
) -> ProtobufResult<()>
Read repeated packed bool
pub fn read_repeated_packed_enum_into<E: ProtobufEnum>(
&mut self,
target: &mut Vec<E>
) -> ProtobufResult<()>
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&mut self,
target: &mut Vec<E>
) -> ProtobufResult<()>
Read repeated packed enum
into ProtobufEnum
pub fn read_unknown(
&mut self,
wire_type: WireType
) -> ProtobufResult<UnknownValue>
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&mut self,
wire_type: WireType
) -> ProtobufResult<UnknownValue>
Read UnknownValue
pub fn skip_field(&mut self, wire_type: WireType) -> ProtobufResult<()>
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Skip field
pub fn read_raw_bytes_into(
&mut self,
count: u32,
target: &mut Vec<u8>
) -> ProtobufResult<()>
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&mut self,
count: u32,
target: &mut Vec<u8>
) -> ProtobufResult<()>
Read raw bytes into the supplied vector. The vector will be resized as needed and overwritten.
pub fn read_raw_bytes(&mut self, count: u32) -> ProtobufResult<Vec<u8>>
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Read exact number of bytes
pub fn skip_raw_bytes(&mut self, count: u32) -> ProtobufResult<()>
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Skip exact number of bytes
pub fn read_bytes(&mut self) -> ProtobufResult<Vec<u8>>
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Read bytes
field, length delimited
pub fn read_carllerche_bytes(&mut self) -> ProtobufResult<Bytes>
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Read bytes
field, length delimited
pub fn read_carllerche_chars(&mut self) -> ProtobufResult<Chars>
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Read string
field, length delimited
pub fn read_bytes_into(&mut self, target: &mut Vec<u8>) -> ProtobufResult<()>
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Read bytes
field, length delimited
pub fn read_string(&mut self) -> ProtobufResult<String>
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Read string
field, length delimited
pub fn read_string_into(&mut self, target: &mut String) -> ProtobufResult<()>
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Read string
field, length delimited
pub fn merge_message<M: Message>(
&mut self,
message: &mut M
) -> ProtobufResult<()>
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&mut self,
message: &mut M
) -> ProtobufResult<()>
Read message, do not check if message is initialized
pub fn read_message<M: Message>(&mut self) -> ProtobufResult<M>
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Read message
Trait Implementations
impl<'a> Read for CodedInputStream<'a>
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fn read(&mut self, buf: &mut [u8]) -> Result<usize>
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fn read_vectored(&mut self, bufs: &mut [IoSliceMut]) -> Result<usize, Error>
1.36.0[src]
Like read
, except that it reads into a slice of buffers. Read more
unsafe fn initializer(&self) -> Initializer
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read_initializer
)Determines if this Read
er can work with buffers of uninitialized memory. Read more
fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize, Error>
1.0.0[src]
Read all bytes until EOF in this source, placing them into buf
. Read more
fn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>
1.0.0[src]
Read all bytes until EOF in this source, appending them to buf
. Read more
fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error>
1.6.0[src]
Read the exact number of bytes required to fill buf
. Read more
fn by_ref(&mut self) -> &mut Self
1.0.0[src]
Creates a "by reference" adaptor for this instance of Read
. Read more
fn bytes(self) -> Bytes<Self>
1.0.0[src]
Transforms this Read
instance to an [Iterator
] over its bytes. Read more
fn chain<R>(self, next: R) -> Chain<Self, R> where
R: Read,
1.0.0[src]
R: Read,
Creates an adaptor which will chain this stream with another. Read more
fn take(self, limit: u64) -> Take<Self>
1.0.0[src]
Creates an adaptor which will read at most limit
bytes from it. Read more
impl<'a> BufRead for CodedInputStream<'a>
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fn fill_buf(&mut self) -> Result<&[u8]>
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fn consume(&mut self, amt: usize)
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fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize, Error>
1.0.0[src]
Read all bytes into buf
until the delimiter byte
or EOF is reached. Read more
fn read_line(&mut self, buf: &mut String) -> Result<usize, Error>
1.0.0[src]
Read all bytes until a newline (the 0xA byte) is reached, and append them to the provided buffer. Read more
fn split(self, byte: u8) -> Split<Self>
1.0.0[src]
Returns an iterator over the contents of this reader split on the byte byte
. Read more
fn lines(self) -> Lines<Self>
1.0.0[src]
Returns an iterator over the lines of this reader. Read more
Auto Trait Implementations
impl<'a> !Send for CodedInputStream<'a>
impl<'a> Unpin for CodedInputStream<'a>
impl<'a> !Sync for CodedInputStream<'a>
impl<'a> !UnwindSafe for CodedInputStream<'a>
impl<'a> !RefUnwindSafe for CodedInputStream<'a>
Blanket Implementations
impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<R> ReadBytesExt for R where
R: Read + ?Sized,
R: Read + ?Sized,
fn read_u8(&mut self) -> Result<u8, Error>
Reads an unsigned 8 bit integer from the underlying reader. Read more
fn read_i8(&mut self) -> Result<i8, Error>
Reads a signed 8 bit integer from the underlying reader. Read more
fn read_u16<T>(&mut self) -> Result<u16, Error> where
T: ByteOrder,
T: ByteOrder,
Reads an unsigned 16 bit integer from the underlying reader. Read more
fn read_i16<T>(&mut self) -> Result<i16, Error> where
T: ByteOrder,
T: ByteOrder,
Reads a signed 16 bit integer from the underlying reader. Read more
fn read_u24<T>(&mut self) -> Result<u32, Error> where
T: ByteOrder,
T: ByteOrder,
Reads an unsigned 24 bit integer from the underlying reader. Read more
fn read_i24<T>(&mut self) -> Result<i32, Error> where
T: ByteOrder,
T: ByteOrder,
Reads a signed 24 bit integer from the underlying reader. Read more
fn read_u32<T>(&mut self) -> Result<u32, Error> where
T: ByteOrder,
T: ByteOrder,
Reads an unsigned 32 bit integer from the underlying reader. Read more
fn read_i32<T>(&mut self) -> Result<i32, Error> where
T: ByteOrder,
T: ByteOrder,
Reads a signed 32 bit integer from the underlying reader. Read more
fn read_u48<T>(&mut self) -> Result<u64, Error> where
T: ByteOrder,
T: ByteOrder,
Reads an unsigned 48 bit integer from the underlying reader. Read more
fn read_i48<T>(&mut self) -> Result<i64, Error> where
T: ByteOrder,
T: ByteOrder,
Reads a signed 48 bit integer from the underlying reader. Read more
fn read_u64<T>(&mut self) -> Result<u64, Error> where
T: ByteOrder,
T: ByteOrder,
Reads an unsigned 64 bit integer from the underlying reader. Read more
fn read_i64<T>(&mut self) -> Result<i64, Error> where
T: ByteOrder,
T: ByteOrder,
Reads a signed 64 bit integer from the underlying reader. Read more
fn read_u128<T>(&mut self) -> Result<u128, Error> where
T: ByteOrder,
T: ByteOrder,
Reads an unsigned 128 bit integer from the underlying reader. Read more
fn read_i128<T>(&mut self) -> Result<i128, Error> where
T: ByteOrder,
T: ByteOrder,
Reads a signed 128 bit integer from the underlying reader. Read more
fn read_uint<T>(&mut self, nbytes: usize) -> Result<u64, Error> where
T: ByteOrder,
T: ByteOrder,
Reads an unsigned n-bytes integer from the underlying reader. Read more
fn read_int<T>(&mut self, nbytes: usize) -> Result<i64, Error> where
T: ByteOrder,
T: ByteOrder,
Reads a signed n-bytes integer from the underlying reader. Read more
fn read_uint128<T>(&mut self, nbytes: usize) -> Result<u128, Error> where
T: ByteOrder,
T: ByteOrder,
Reads an unsigned n-bytes integer from the underlying reader.
fn read_int128<T>(&mut self, nbytes: usize) -> Result<i128, Error> where
T: ByteOrder,
T: ByteOrder,
Reads a signed n-bytes integer from the underlying reader.
fn read_f32<T>(&mut self) -> Result<f32, Error> where
T: ByteOrder,
T: ByteOrder,
Reads a IEEE754 single-precision (4 bytes) floating point number from the underlying reader. Read more
fn read_f64<T>(&mut self) -> Result<f64, Error> where
T: ByteOrder,
T: ByteOrder,
Reads a IEEE754 double-precision (8 bytes) floating point number from the underlying reader. Read more
fn read_u16_into<T>(&mut self, dst: &mut [u16]) -> Result<(), Error> where
T: ByteOrder,
T: ByteOrder,
Reads a sequence of unsigned 16 bit integers from the underlying reader. Read more
fn read_u32_into<T>(&mut self, dst: &mut [u32]) -> Result<(), Error> where
T: ByteOrder,
T: ByteOrder,
Reads a sequence of unsigned 32 bit integers from the underlying reader. Read more
fn read_u64_into<T>(&mut self, dst: &mut [u64]) -> Result<(), Error> where
T: ByteOrder,
T: ByteOrder,
Reads a sequence of unsigned 64 bit integers from the underlying reader. Read more
fn read_u128_into<T>(&mut self, dst: &mut [u128]) -> Result<(), Error> where
T: ByteOrder,
T: ByteOrder,
Reads a sequence of unsigned 128 bit integers from the underlying reader. Read more
fn read_i8_into(&mut self, dst: &mut [i8]) -> Result<(), Error>
Reads a sequence of signed 8 bit integers from the underlying reader. Read more
fn read_i16_into<T>(&mut self, dst: &mut [i16]) -> Result<(), Error> where
T: ByteOrder,
T: ByteOrder,
Reads a sequence of signed 16 bit integers from the underlying reader. Read more
fn read_i32_into<T>(&mut self, dst: &mut [i32]) -> Result<(), Error> where
T: ByteOrder,
T: ByteOrder,
Reads a sequence of signed 32 bit integers from the underlying reader. Read more
fn read_i64_into<T>(&mut self, dst: &mut [i64]) -> Result<(), Error> where
T: ByteOrder,
T: ByteOrder,
Reads a sequence of signed 64 bit integers from the underlying reader. Read more
fn read_i128_into<T>(&mut self, dst: &mut [i128]) -> Result<(), Error> where
T: ByteOrder,
T: ByteOrder,
Reads a sequence of signed 128 bit integers from the underlying reader. Read more
fn read_f32_into<T>(&mut self, dst: &mut [f32]) -> Result<(), Error> where
T: ByteOrder,
T: ByteOrder,
Reads a sequence of IEEE754 single-precision (4 bytes) floating point numbers from the underlying reader. Read more
fn read_f32_into_unchecked<T>(&mut self, dst: &mut [f32]) -> Result<(), Error> where
T: ByteOrder,
T: ByteOrder,
please use read_f32_into
instead
DEPRECATED. Read more
fn read_f64_into<T>(&mut self, dst: &mut [f64]) -> Result<(), Error> where
T: ByteOrder,
T: ByteOrder,
Reads a sequence of IEEE754 double-precision (8 bytes) floating point numbers from the underlying reader. Read more
fn read_f64_into_unchecked<T>(&mut self, dst: &mut [f64]) -> Result<(), Error> where
T: ByteOrder,
T: ByteOrder,
please use read_f64_into
instead
DEPRECATED. Read more