79 lines
2.0 KiB
Rust
79 lines
2.0 KiB
Rust
use std::io;
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use super::BinarySource;
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use super::Embeddable;
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use super::IOValue;
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use super::Reader;
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use super::Writer;
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use super::packed::PackedReader;
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pub trait DomainDecode<D: Embeddable> {
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fn decode_embedded<'de, 'src, S: BinarySource<'de>>(
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&mut self,
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src: &'src mut S,
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read_annotations: bool,
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) -> io::Result<D>;
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}
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pub trait DomainEncode<D: Embeddable> {
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fn encode_embedded<W: Writer>(
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&mut self,
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w: &mut W,
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d: &D,
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) -> io::Result<()>;
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}
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impl <'a, D: Embeddable, T: DomainDecode<D>> DomainDecode<D> for &'a mut T {
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fn decode_embedded<'de, 'src, S: BinarySource<'de>>(
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&mut self,
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src: &'src mut S,
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read_annotations: bool,
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) -> io::Result<D> {
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(**self).decode_embedded(src, read_annotations)
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}
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}
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pub struct IOValueDomainCodec;
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impl DomainDecode<IOValue> for IOValueDomainCodec {
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fn decode_embedded<'de, 'src, S: BinarySource<'de>>(
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&mut self,
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src: &'src mut S,
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read_annotations: bool,
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) -> io::Result<IOValue> {
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PackedReader::new(src, IOValueDomainCodec).demand_next(read_annotations)
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}
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}
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impl DomainEncode<IOValue> for IOValueDomainCodec {
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fn encode_embedded<W: Writer>(
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&mut self,
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w: &mut W,
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d: &IOValue,
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) -> io::Result<()> {
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w.write(self, d)
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}
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}
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pub struct NoEmbeddedDomainCodec;
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impl<D: Embeddable> DomainDecode<D> for NoEmbeddedDomainCodec {
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fn decode_embedded<'de, 'src, S: BinarySource<'de>>(
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&mut self,
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_src: &'src mut S,
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_read_annotations: bool,
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) -> io::Result<D> {
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Err(io::Error::new(io::ErrorKind::Unsupported, "Embedded values not supported here"))
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}
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}
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impl<D: Embeddable> DomainEncode<D> for NoEmbeddedDomainCodec {
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fn encode_embedded<W: Writer>(
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&mut self,
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_w: &mut W,
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_d: &D,
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) -> io::Result<()> {
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Err(io::Error::new(io::ErrorKind::Unsupported, "Embedded values not supported here"))
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}
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}
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