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melib/email/parser: use SmallVec in encoded words

memfd
Manos Pitsidianakis 2020-08-26 00:22:16 +03:00
parent 14663e46b9
commit e349882ea7
Signed by: Manos Pitsidianakis
GPG Key ID: 73627C2F690DF710
1 changed files with 6 additions and 5 deletions
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11
melib/src/email/parser.rs
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@ -30,6 +30,7 @@ use nom::{
number::complete::le_u8,
sequence::{delimited, pair, preceded, separated_pair, terminated},
};
use smallvec::SmallVec;
use std::borrow::Cow;
#[derive(Debug, Eq, PartialEq)]
@ -1116,7 +1117,7 @@ pub mod encodings {
//eat_separator!());
}
pub fn encoded_word_list(input: &[u8]) -> IResult<&[u8], Vec<u8>> {
pub fn encoded_word_list(input: &[u8]) -> IResult<&[u8], SmallVec<[u8; 64]>> {
let (input, list) = separated_nonempty_list(space, encoded_word)(input)?;
let list_len = list.iter().fold(0, |mut acc, x| {
acc += x.len();
@ -1125,19 +1126,19 @@ pub mod encodings {
Ok((
input,
list.iter()
.fold(Vec::with_capacity(list_len), |mut acc, x| {
acc.append(&mut x.clone());
.fold(SmallVec::with_capacity(list_len), |mut acc, x| {
acc.extend(x.into_iter().cloned());
acc
}),
))
}
pub fn ascii_token(input: &[u8]) -> IResult<&[u8], Vec<u8>> {
pub fn ascii_token(input: &[u8]) -> IResult<&[u8], SmallVec<[u8; 64]>> {
let (input, word) = alt((
terminated(take_until(" =?"), peek(preceded(tag(b" "), encoded_word))),
take_while(|_| true),
))(input)?;
Ok((input, word.to_vec()))
Ok((input, SmallVec::from(word)))
}
pub fn phrase(