vcard-rs 0.2.1

vCard parser, validator, editor and builder library for Rust
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48

//! # UID lens
//!
//! The `UID` property lens: a URI that globally and persistently identifies the
//! object the card represents, decoded as a `VcardUri` (RFC 6350 6.7.6).

use crate::{
    param::VcardParamKind,
    prop::VcardPropKind,
    tree::{
        line::VcardLine,
        prop::{cardinality::VcardPropCardinality, lens::VcardPropLens, spec::VcardPropSpec},
        value::cursor::VcardValueCursor,
    },
    value::{VcardValueKind, uri::VcardUri},
    version::VcardVersion,
};

/// The `UID` property lens.
pub struct UID;

impl VcardPropLens for UID {
    type Target<'v> = VcardUri<'v>;

    type Cursor<'c, 'a>
        = VcardValueCursor<'c, 'a>
    where
        'a: 'c;

    fn cursor<'c, 'a>(line: &'c mut VcardLine<'a>) -> VcardValueCursor<'c, 'a> {
        VcardValueCursor { line }
    }
}

impl VcardPropSpec for UID {
    const KIND: VcardPropKind = VcardPropKind::Uid;

    fn cardinality(_version: VcardVersion) -> VcardPropCardinality {
        VcardPropCardinality::AtMostOne
    }

    fn allowed_values(_version: VcardVersion) -> &'static [VcardValueKind] {
        &[VcardValueKind::Uri, VcardValueKind::Text]
    }

    fn allowed_params(_version: VcardVersion) -> &'static [VcardParamKind] {
        &[VcardParamKind::Value]
    }
}