blob: 61aea7a11ab3dbeec64a745651e80686838ef260 (
plain)
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
49
50
51
52
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use url::Url;
// Custom Handle type which trivially wraps an i64.
pub struct Handle(pub i64);
// We must implement the UniffiCustomTypeConverter trait for each custom type on the scaffolding side
impl UniffiCustomTypeConverter for Handle {
// The `Builtin` type will be used to marshall values across the FFI
type Builtin = i64;
// Convert Builtin to our custom type
fn into_custom(val: Self::Builtin) -> uniffi::Result<Self> {
Ok(Handle(val))
}
// Convert our custom type to Builtin
fn from_custom(obj: Self) -> Self::Builtin {
obj.0
}
}
// Use `url::Url` as a custom type, with `String` as the Builtin
impl UniffiCustomTypeConverter for Url {
type Builtin = String;
fn into_custom(val: Self::Builtin) -> uniffi::Result<Self> {
Ok(Url::parse(&val)?)
}
fn from_custom(obj: Self) -> Self::Builtin {
obj.to_string()
}
}
// And a little struct and function that ties them together.
pub struct CustomTypesDemo {
url: Url,
handle: Handle,
}
pub fn get_custom_types_demo(v: Option<CustomTypesDemo>) -> CustomTypesDemo {
v.unwrap_or_else(|| CustomTypesDemo {
url: Url::parse("http://example.com/").unwrap(),
handle: Handle(123),
})
}
include!(concat!(env!("OUT_DIR"), "/custom-types.uniffi.rs"));
|
