53 lines
1.2 KiB
Rust
53 lines
1.2 KiB
Rust
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use serde::de::{Deserializer, Visitor, SeqAccess, Error};
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use std::fmt;
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pub fn deserialize<'de, D>(deserializer: D) -> Result<Vec<u8>, D::Error>
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where D: Deserializer<'de>
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{
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deserializer.deserialize_byte_buf(ByteBufVisitor)
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}
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struct ByteBufVisitor;
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impl<'de> Visitor<'de> for ByteBufVisitor {
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type Value = Vec<u8>;
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fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
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formatter.write_str("byte array")
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}
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fn visit_seq<V>(self, mut visitor: V) -> Result<Self::Value, V::Error>
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where V: SeqAccess<'de>
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{
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let mut values = Vec::new();
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while let Some(value) = try!(visitor.next_element()) {
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values.push(value);
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}
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Ok(values)
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}
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fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>
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where E: Error
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{
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Ok(v.to_vec())
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}
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fn visit_byte_buf<E>(self, v: Vec<u8>) -> Result<Self::Value, E>
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where E: Error
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{
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Ok(v)
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}
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fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
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where E: Error
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{
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Ok(v.as_bytes().to_vec())
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}
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fn visit_string<E>(self, v: String) -> Result<Self::Value, E>
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where E: Error
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{
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Ok(v.into_bytes())
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}
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}
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