More work on HPACK decoding

This commit is contained in:
Carl Lerche
2017-05-30 21:56:50 -07:00
parent 3c850c2a34
commit b9da06a576
5 changed files with 92 additions and 49 deletions

61
src/util/byte_str.rs Normal file
View File

@@ -0,0 +1,61 @@
use bytes::Bytes;
use std::{ops, str};
use std::str::Utf8Error;
#[derive(Debug, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct ByteStr {
bytes: Bytes,
}
pub struct FromUtf8Error {
err: Utf8Error,
val: Bytes,
}
impl ByteStr {
#[inline]
pub fn from_static(val: &'static str) -> ByteStr {
ByteStr { bytes: Bytes::from_static(val.as_bytes()) }
}
#[inline]
pub unsafe fn from_utf8_unchecked(bytes: Bytes) -> ByteStr {
ByteStr { bytes: bytes }
}
pub fn from_utf8(bytes: Bytes) -> Result<ByteStr, FromUtf8Error> {
if let Err(e) = str::from_utf8(&bytes[..]) {
return Err(FromUtf8Error {
err: e,
val: bytes,
});
}
Ok(ByteStr { bytes: bytes })
}
}
impl ops::Deref for ByteStr {
type Target = str;
#[inline]
fn deref(&self) -> &str {
let b: &[u8] = self.bytes.as_ref();
unsafe { str::from_utf8_unchecked(b) }
}
}
impl From<String> for ByteStr {
#[inline]
fn from(src: String) -> ByteStr {
ByteStr { bytes: Bytes::from(src) }
}
}
impl<'a> From<&'a str> for ByteStr {
#[inline]
fn from(src: &'a str) -> ByteStr {
ByteStr { bytes: Bytes::from(src) }
}
}