Struct BerWriter 

pub struct BerWriter { /* private fields */ }

A writer for BER-encoded data.

Implementations

impl BerWriter

pub fn new() -> Self

Create a new BER writer.

pub fn with_capacity(capacity: usize) -> Self

Create a new BER writer with initial capacity.

pub fn as_bytes(&self) -> &[u8]

Get the written bytes.

pub fn into_bytes(self) -> Vec<u8>

Consume the writer and return the bytes.

pub fn len(&self) -> usize

Get the current length.

pub fn is_empty(&self) -> bool

Check if the buffer is empty.

pub fn write_raw(&mut self, bytes: &[u8])

Write raw bytes.

pub fn write_tag(&mut self, tag: &Tag)

Write a tag.

pub fn write_length(&mut self, length: &Length)

Write a length.

pub fn write_tlv(&mut self, tag: &Tag, value: &[u8])

Write a TLV with the given tag and value.

pub fn write_boolean(&mut self, value: bool) -> Result<()>

Write a boolean value.

pub fn write_integer(&mut self, value: i64) -> Result<()>

Write an integer value.

pub fn write_context_integer( &mut self, tag_number: u32, value: i64, ) -> Result<()>

Write an integer with a context tag.

pub fn write_real(&mut self, value: f64) -> Result<()>

Write a real (floating point) value.

pub fn write_utf8_string(&mut self, value: &str) -> Result<()>

Write a UTF-8 string.

pub fn write_octet_string(&mut self, value: &[u8]) -> Result<()>

Write an octet string.

pub fn write_null(&mut self) -> Result<()>

Write a null value.

pub fn write_sequence<F>(&mut self, f: F) -> Result<()>

where F: FnOnce(&mut BerWriter) -> Result<()>,

Write a sequence.

pub fn write_set<F>(&mut self, f: F) -> Result<()>

where F: FnOnce(&mut BerWriter) -> Result<()>,

Write a set.

pub fn write_utf8string(&mut self, value: &str)

Write a UTF8String.

pub fn write_context<F>(&mut self, tag_number: u32, f: F) -> Result<()>

where F: FnOnce(&mut BerWriter) -> Result<()>,

Write a context-tagged constructed value.

pub fn write_context_primitive( &mut self, tag_number: u32, value: &[u8], ) -> Result<()>

Write a context-tagged primitive value.

pub fn write_application<F>(&mut self, tag_number: u32, f: F) -> Result<()>

where F: FnOnce(&mut BerWriter) -> Result<()>,

Write an application-tagged constructed value.

pub fn write_application_primitive( &mut self, tag_number: u32, value: &[u8], ) -> Result<()>

Write an application-tagged primitive value.

pub fn write_relative_oid(&mut self, components: &[u32]) -> Result<()>

Write a relative OID.

Trait Implementations

impl Debug for BerWriter

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

Formats the value using the given formatter.

impl Default for BerWriter

fn default() -> BerWriter

Returns the “default value” for a type.