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ui/MailView: print attachment tree instead of list

memfd
Manos Pitsidianakis 2019-12-18 15:46:21 +02:00
parent 92826f982f
commit 0739f80f4b
Signed by: Manos Pitsidianakis
GPG Key ID: 73627C2F690DF710
1 changed files with 60 additions and 8 deletions
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68
ui/src/components/mail/view.rs
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@ -219,14 +219,66 @@ impl MailView {
let mut t = body_text.to_string();
t.push('\n');
if body.count_attachments() > 1 {
t = body
.attachments()
.iter()
.enumerate()
.fold(t, |mut s, (idx, a)| {
s.push_str(&format!("\n[{}] {}\n", idx, a));
s
});
fn attachment_tree(
(idx, (depth, att)): (&mut usize, (usize, &Attachment)),
branches: &mut StackVec<bool>,
has_sibling: bool,
s: &mut String,
) {
s.extend(format!("\n[{}]", idx).chars());
for &b in branches.iter() {
if b {
s.push('|');
} else {
s.push(' ');
}
s.push(' ');
}
if depth > 0 {
if has_sibling {
s.push('|');
} else {
s.push(' ');
}
s.push('\\');
s.push(' ');
} else {
if has_sibling {
s.push('|');
s.push('\\');
} else {
s.push(' ');
}
s.push(' ');
}
s.extend(att.to_string().chars());
match att.content_type {
ContentType::Multipart {
parts: ref sub_att_vec,
..
} => {
let mut iter = (0..sub_att_vec.len()).peekable();
if has_sibling {
branches.push(true);
} else {
branches.push(false);
}
while let Some(i) = iter.next() {
*idx += 1;
attachment_tree(
(idx, (depth + 1, &sub_att_vec[i])),
branches,
!(iter.peek() == None),
s,
);
}
branches.pop();
}
_ => {}
}
}
attachment_tree((&mut 0, (0, &body)), &mut StackVec::new(), false, &mut t);
}
t
}