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use super::{Header, HeaderName};
use crate::BoxError;
macro_rules! text_header {
($(#[$attr:meta])* Header($type_name: ident, $header_name: expr )) => {
$(#[$attr])*
#[derive(Debug, Clone, PartialEq)]
pub struct $type_name(String);
impl Header for $type_name {
fn name() -> HeaderName {
HeaderName::new_from_ascii_str($header_name)
}
fn parse(s: &str) -> Result<Self, BoxError> {
Ok(Self(s.into()))
}
fn display(&self) -> String {
self.0.clone()
}
}
impl From<String> for $type_name {
#[inline]
fn from(text: String) -> Self {
Self(text)
}
}
impl AsRef<str> for $type_name {
#[inline]
fn as_ref(&self) -> &str {
&self.0
}
}
};
}
text_header!(
Header(Subject, "Subject")
);
text_header!(
Header(Comments, "Comments")
);
text_header!(
Header(Keywords, "Keywords")
);
text_header!(
Header(InReplyTo, "In-Reply-To")
);
text_header!(
Header(References, "References")
);
text_header!(
Header(MessageId, "Message-ID")
);
text_header!(
Header(UserAgent, "User-Agent")
);
text_header! {
Header(ContentId, "Content-ID")
}
text_header! {
Header(ContentLocation, "Content-Location")
}
#[cfg(test)]
mod test {
use super::Subject;
use crate::message::header::{HeaderName, Headers};
#[test]
fn format_ascii() {
let mut headers = Headers::new();
headers.set(Subject("Sample subject".into()));
assert_eq!(headers.to_string(), "Subject: Sample subject\r\n");
}
#[test]
fn format_utf8() {
let mut headers = Headers::new();
headers.set(Subject("Тема сообщения".into()));
assert_eq!(
headers.to_string(),
"Subject: =?utf-8?b?0KLQtdC80LAg0YHQvtC+0LHRidC10L3QuNGP?=\r\n"
);
}
#[test]
fn parse_ascii() {
let mut headers = Headers::new();
headers.insert_raw(
HeaderName::new_from_ascii_str("Subject"),
"Sample subject".to_string(),
);
assert_eq!(
headers.get::<Subject>(),
Some(Subject("Sample subject".into()))
);
}
}