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mod boolean;
mod integer;
mod null;
mod octet_string;
mod sequence;
mod utf8_string;
use crate::{
Result, SerdeAsn1DerError,
ser::{
boolean::Boolean, integer::UnsignedInteger, null::Null, octet_string::OctetString,
sequence::Sequence, utf8_string::Utf8String
}
};
use serde::Serialize;
use std::io::{ Write, Cursor };
pub fn to_vec<T: ?Sized + Serialize>(value: &T) -> Result<Vec<u8>> {
let mut buf = Vec::new();
to_byte_buf(value, &mut buf)?;
Ok(buf)
}
pub fn to_bytes<T: ?Sized + Serialize>(value: &T, buf: &mut[u8]) -> Result<usize> {
let mut serializer = Serializer::new_to_bytes(buf);
value.serialize(&mut serializer)
}
pub fn to_byte_buf<T: ?Sized + Serialize>(value: &T, buf: &mut Vec<u8>) -> Result<usize> {
let mut serializer = Serializer::new_to_byte_buf(buf);
value.serialize(&mut serializer)
}
pub fn to_writer<T: ?Sized + Serialize>(value: &T, writer: impl Write) -> Result<usize> {
let mut serializer = Serializer::new_to_writer(writer);
value.serialize(&mut serializer)
}
pub struct Serializer<'se> {
writer: Box<dyn Write + 'se>
}
impl<'se> Serializer<'se> {
pub fn new_to_bytes(buf: &'se mut[u8]) -> Self {
Self::new_to_writer(Cursor::new(buf))
}
pub fn new_to_byte_buf(buf: &'se mut Vec<u8>) -> Self {
Self::new_to_writer(Cursor::new(buf))
}
pub fn new_to_writer(writer: impl Write + 'se) -> Self {
Self{ writer: Box::new(writer) }
}
}
impl<'a, 'se> serde::ser::Serializer for &'a mut Serializer<'se> {
type Ok = usize;
type Error = SerdeAsn1DerError;
type SerializeSeq = Sequence<'a, 'se>;
type SerializeTuple = Sequence<'a, 'se>;
type SerializeTupleStruct = Sequence<'a, 'se>;
type SerializeTupleVariant = Self;
type SerializeMap = Self;
type SerializeStruct = Sequence<'a, 'se>;
type SerializeStructVariant = Self;
fn serialize_bool(self, v: bool) -> Result<Self::Ok> {
Boolean::serialize(v, &mut self.writer)
}
fn serialize_i8(self, _v: i8) -> Result<Self::Ok> {
Err(SerdeAsn1DerError::UnsupportedType)
}
fn serialize_i16(self, _v: i16) -> Result<Self::Ok> {
Err(SerdeAsn1DerError::UnsupportedType)
}
fn serialize_i32(self, _v: i32) -> Result<Self::Ok> {
Err(SerdeAsn1DerError::UnsupportedType)
}
fn serialize_i64(self, _v: i64) -> Result<Self::Ok> {
Err(SerdeAsn1DerError::UnsupportedType)
}
fn serialize_i128(self, _v: i128) -> Result<Self::Ok> {
Err(SerdeAsn1DerError::UnsupportedType)
}
fn serialize_u8(self, v: u8) -> Result<Self::Ok> {
self.serialize_u128(v as u128)
}
fn serialize_u16(self, v: u16) -> Result<Self::Ok> {
self.serialize_u128(v as u128)
}
fn serialize_u32(self, v: u32) -> Result<Self::Ok> {
self.serialize_u128(v as u128)
}
fn serialize_u64(self, v: u64) -> Result<Self::Ok> {
self.serialize_u128(v as u128)
}
fn serialize_u128(self, v: u128) -> Result<Self::Ok> {
UnsignedInteger::serialize(v, &mut self.writer)
}
fn serialize_f32(self, _v: f32) -> Result<Self::Ok> {
Err(SerdeAsn1DerError::UnsupportedType)
}
fn serialize_f64(self, _v: f64) -> Result<Self::Ok> {
Err(SerdeAsn1DerError::UnsupportedType)
}
fn serialize_char(self, v: char) -> Result<Self::Ok> {
let mut buf = [0; 4];
self.serialize_str(v.encode_utf8(&mut buf))
}
fn serialize_str(self, v: &str) -> Result<Self::Ok> {
Utf8String::serialize(v, &mut self.writer)
}
fn serialize_bytes(self, v: &[u8]) -> Result<Self::Ok> {
OctetString::serialize(v, &mut self.writer)
}
fn serialize_none(self) -> Result<Self::Ok> {
Null::serialize(&mut self.writer)
}
fn serialize_some<T: ?Sized + Serialize>(self, _value: &T) -> Result<Self::Ok> {
Err(SerdeAsn1DerError::UnsupportedType)
}
fn serialize_unit(self) -> Result<Self::Ok> {
self.serialize_none()
}
fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok> {
self.serialize_none()
}
fn serialize_unit_variant(self, _name: &'static str, _variant_index: u32,
_variant: &'static str) -> Result<Self::Ok>
{
Err(SerdeAsn1DerError::UnsupportedType)
}
fn serialize_newtype_struct<T: ?Sized + Serialize>(self, _name: &'static str, value: &T)
-> Result<Self::Ok>
{
value.serialize(self)
}
fn serialize_newtype_variant<T: ?Sized + Serialize>(self, _name: &'static str,
_variant_index: u32, _variant: &'static str, _value: &T) -> Result<Self::Ok>
{
Err(SerdeAsn1DerError::UnsupportedType)
}
fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq> {
Ok(Sequence::serialize_lazy(self))
}
fn serialize_tuple(self, len: usize) -> Result<Self::SerializeTuple> {
self.serialize_seq(Some(len))
}
fn serialize_tuple_struct(self, _name: &'static str, len: usize)
-> Result<Self::SerializeTupleStruct>
{
self.serialize_seq(Some(len))
}
fn serialize_tuple_variant(self, _name: &'static str, _variant_index: u32,
_variant: &'static str, _len: usize) -> Result<Self::SerializeTupleVariant>
{
Err(SerdeAsn1DerError::UnsupportedType)
}
fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap> {
Err(SerdeAsn1DerError::UnsupportedType)
}
fn serialize_struct(self, _name: &'static str, len: usize) -> Result<Self::SerializeStruct> {
self.serialize_seq(Some(len))
}
fn serialize_struct_variant(self, _name: &'static str, _variant_index: u32,
_variant: &'static str, _len: usize) -> Result<Self::SerializeStructVariant>
{
Err(SerdeAsn1DerError::UnsupportedType)
}
}
impl<'a, 'se> serde::ser::SerializeTupleVariant for &'a mut Serializer<'se> {
type Ok = usize;
type Error = SerdeAsn1DerError;
fn serialize_field<T: ?Sized + Serialize>(&mut self, _value: &T) -> Result<()> {
unimplemented!("The implementation does not support tuple variants")
}
fn end(self) -> Result<Self::Ok> {
unimplemented!("The implementation does not support tuple variants")
}
}
impl<'a, 'se> serde::ser::SerializeMap for &'a mut Serializer<'se> {
type Ok = usize;
type Error = SerdeAsn1DerError;
fn serialize_key<T: ?Sized + Serialize>(&mut self, _key: &T) -> Result<()> {
unimplemented!("The implementation does not support maps")
}
fn serialize_value<T: ?Sized + Serialize>(&mut self, _value: &T) -> Result<()> {
unimplemented!("The implementation does not support maps")
}
fn end(self) -> Result<Self::Ok> {
unimplemented!("The implementation does not support maps")
}
}
impl<'a, 'se> serde::ser::SerializeStructVariant for &'a mut Serializer<'se> {
type Ok = usize;
type Error = SerdeAsn1DerError;
fn serialize_field<T: ?Sized + Serialize>(&mut self, _key: &'static str, _value: &T)
-> Result<()>
{
unimplemented!("The implementation does not support struct variants")
}
fn end(self) -> Result<Self::Ok> {
unimplemented!("The implementation does not support struct variants")
}
}