uniffi_bindgen 0.31.1

a multi-language bindings generator for rust (codegen and cli tooling)
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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136

/* 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 super::{AsCodeType, CodeType};
use crate::{
    bail,
    interface::{DefaultValue, Literal, Type},
    ComponentInterface, Result,
};

#[derive(Debug)]
pub struct OptionalCodeType {
    inner: Type,
}

impl OptionalCodeType {
    pub fn new(inner: Type) -> Self {
        Self { inner }
    }
    fn inner(&self) -> &Type {
        &self.inner
    }
}

impl CodeType for OptionalCodeType {
    fn type_label(&self, ci: &ComponentInterface) -> String {
        format!(
            "{}?",
            super::KotlinCodeOracle.find(self.inner()).type_label(ci)
        )
    }

    fn canonical_name(&self) -> String {
        format!(
            "Optional{}",
            super::KotlinCodeOracle.find(self.inner()).canonical_name()
        )
    }

    fn default(&self, default: &DefaultValue, ci: &ComponentInterface) -> Result<String> {
        match default {
            DefaultValue::Default | DefaultValue::Literal(Literal::None) => Ok("null".into()),
            DefaultValue::Literal(Literal::Some { inner }) => {
                super::KotlinCodeOracle.find(&self.inner).default(inner, ci)
            }
            _ => bail!("Invalid literal for Optional type: {default:?}"),
        }
    }
}

#[derive(Debug)]
pub struct SequenceCodeType {
    inner: Type,
}

impl SequenceCodeType {
    pub fn new(inner: Type) -> Self {
        Self { inner }
    }
    fn inner(&self) -> &Type {
        &self.inner
    }
}

impl CodeType for SequenceCodeType {
    fn type_label(&self, ci: &ComponentInterface) -> String {
        format!(
            "List<{}>",
            super::KotlinCodeOracle.find(self.inner()).type_label(ci)
        )
    }

    fn canonical_name(&self) -> String {
        format!(
            "Sequence{}",
            super::KotlinCodeOracle.find(self.inner()).canonical_name()
        )
    }

    fn default(&self, default: &DefaultValue, _ci: &ComponentInterface) -> Result<String> {
        match default {
            DefaultValue::Default | DefaultValue::Literal(Literal::EmptySequence) => {
                Ok("listOf()".into())
            }
            _ => bail!("Invalid literal for List type: {default:?}"),
        }
    }
}

#[derive(Debug)]
pub struct MapCodeType {
    key: Type,
    value: Type,
}

impl MapCodeType {
    pub fn new(key: Type, value: Type) -> Self {
        Self { key, value }
    }

    fn key(&self) -> &Type {
        &self.key
    }

    fn value(&self) -> &Type {
        &self.value
    }
}

impl CodeType for MapCodeType {
    fn type_label(&self, ci: &ComponentInterface) -> String {
        format!(
            "Map<{}, {}>",
            super::KotlinCodeOracle.find(self.key()).type_label(ci),
            super::KotlinCodeOracle.find(self.value()).type_label(ci),
        )
    }

    fn canonical_name(&self) -> String {
        format!(
            "Map{}{}",
            self.key().as_codetype().canonical_name(),
            self.value().as_codetype().canonical_name(),
        )
    }

    fn default(&self, default: &DefaultValue, _ci: &ComponentInterface) -> Result<String> {
        match default {
            DefaultValue::Default | DefaultValue::Literal(Literal::EmptyMap) => {
                Ok("mapOf()".into())
            }
            _ => bail!("Invalid literal for Map type: {default:?}"),
        }
    }
}