42 lines
1.3 KiB
Rust
42 lines
1.3 KiB
Rust
use crate::value::{decoder, encoder, invert_map, AValue};
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use decoder::{Decoder, DecodePlaceholderMap};
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use encoder::{Encoder, EncodePlaceholderMap};
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use std::io::{Read, Write};
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pub type Error = decoder::Error;
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pub type Result<T> = decoder::Result<T>;
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pub struct Codec {
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pub decode_placeholders: Option<DecodePlaceholderMap>,
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pub encode_placeholders: Option<EncodePlaceholderMap>,
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}
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impl Codec {
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pub fn new(decode_placeholders: DecodePlaceholderMap) -> Self {
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let encode_placeholders = Some(invert_map(&decode_placeholders));
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Codec { decode_placeholders: Some(decode_placeholders), encode_placeholders }
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}
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pub fn without_placeholders() -> Self {
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Codec { decode_placeholders: None, encode_placeholders: None }
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}
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pub fn decoder<'a, 'r, R: Read>(&'a self, read: &'r mut R) -> Decoder<'r, 'a, R> {
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Decoder::new(read, self.decode_placeholders.as_ref())
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}
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pub fn encoder<'a, 'w, W: Write>(&'a self, write: &'w mut W) -> Encoder<'w, 'a, W> {
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Encoder::new(write, self.encode_placeholders.as_ref())
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}
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pub fn decode<'r, R: Read>(&self, read: &'r mut R) -> Result<AValue> {
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self.decoder(read).next()
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}
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pub fn encode_bytes(&self, v: &AValue) -> Result<Vec<u8>> {
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let mut buf: Vec<u8> = Vec::new();
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self.encoder(&mut buf).write(v)?;
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Ok(buf)
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}
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}
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