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/*
* Copyright Stalwart Labs Ltd. See the COPYING
* file at the top-level directory of this distribution.
*
* Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
* <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your
* option. This file may not be copied, modified, or distributed
* except according to those terms.
*/
use crate::{AttachmentIterator, BodyPartIterator, Message, MessagePart, MessagePartId, PartType};
impl<'x> PartType<'x> {
#[allow(clippy::len_without_is_empty)]
pub fn len(&self) -> usize {
match self {
PartType::Text(v) | PartType::Html(v) => v.len(),
PartType::Binary(v) | PartType::InlineBinary(v) => v.len(),
PartType::Message(v) => v.raw_message.len(),
PartType::Multipart(_) => 0,
}
}
}
impl<'x> BodyPartIterator<'x> {
pub(crate) fn new(message: &'x Message<'x>, list: &'x [MessagePartId]) -> BodyPartIterator<'x> {
BodyPartIterator {
message,
list,
pos: -1,
}
}
}
impl<'x> Iterator for BodyPartIterator<'x> {
type Item = &'x MessagePart<'x>;
fn next(&mut self) -> Option<Self::Item> {
self.pos += 1;
self.message.parts.get(*self.list.get(self.pos as usize)?)
}
}
impl<'x> AttachmentIterator<'x> {
pub(crate) fn new(message: &'x Message<'x>) -> AttachmentIterator<'x> {
AttachmentIterator { message, pos: -1 }
}
}
impl<'x> Iterator for AttachmentIterator<'x> {
type Item = &'x MessagePart<'x>;
fn next(&mut self) -> Option<Self::Item> {
self.pos += 1;
self.message.attachment(self.pos as usize)
}
}