toml/ser/value/
key.rs

1use toml_writer::TomlWrite as _;
2
3use super::Error;
4use crate::alloc_prelude::*;
5
6pub(crate) struct KeySerializer<'d> {
7    pub(crate) dst: &'d mut String,
8}
9
10impl serde::ser::Serializer for KeySerializer<'_> {
11    type Ok = ();
12    type Error = Error;
13    type SerializeSeq = serde::ser::Impossible<Self::Ok, Error>;
14    type SerializeTuple = serde::ser::Impossible<Self::Ok, Error>;
15    type SerializeTupleStruct = serde::ser::Impossible<Self::Ok, Error>;
16    type SerializeTupleVariant = serde::ser::Impossible<Self::Ok, Error>;
17    type SerializeMap = serde::ser::Impossible<Self::Ok, Error>;
18    type SerializeStruct = serde::ser::Impossible<Self::Ok, Error>;
19    type SerializeStructVariant = serde::ser::Impossible<Self::Ok, Error>;
20
21    fn serialize_bool(self, _v: bool) -> Result<Self::Ok, Self::Error> {
22        Err(Error::key_not_string())
23    }
24
25    fn serialize_i8(self, _v: i8) -> Result<Self::Ok, Self::Error> {
26        Err(Error::key_not_string())
27    }
28
29    fn serialize_i16(self, _v: i16) -> Result<Self::Ok, Self::Error> {
30        Err(Error::key_not_string())
31    }
32
33    fn serialize_i32(self, _v: i32) -> Result<Self::Ok, Self::Error> {
34        Err(Error::key_not_string())
35    }
36
37    fn serialize_i64(self, _v: i64) -> Result<Self::Ok, Self::Error> {
38        Err(Error::key_not_string())
39    }
40
41    fn serialize_u8(self, _v: u8) -> Result<Self::Ok, Self::Error> {
42        Err(Error::key_not_string())
43    }
44
45    fn serialize_u16(self, _v: u16) -> Result<Self::Ok, Self::Error> {
46        Err(Error::key_not_string())
47    }
48
49    fn serialize_u32(self, _v: u32) -> Result<Self::Ok, Self::Error> {
50        Err(Error::key_not_string())
51    }
52
53    fn serialize_u64(self, _v: u64) -> Result<Self::Ok, Self::Error> {
54        Err(Error::key_not_string())
55    }
56
57    fn serialize_f32(self, _v: f32) -> Result<Self::Ok, Self::Error> {
58        Err(Error::key_not_string())
59    }
60
61    fn serialize_f64(self, _v: f64) -> Result<Self::Ok, Self::Error> {
62        Err(Error::key_not_string())
63    }
64
65    fn serialize_char(self, _v: char) -> Result<Self::Ok, Self::Error> {
66        Err(Error::key_not_string())
67    }
68
69    fn serialize_str(self, value: &str) -> Result<Self::Ok, Self::Error> {
70        self.dst.key(value)?;
71        Ok(())
72    }
73
74    fn serialize_bytes(self, _value: &[u8]) -> Result<Self::Ok, Self::Error> {
75        Err(Error::key_not_string())
76    }
77
78    fn serialize_none(self) -> Result<Self::Ok, Self::Error> {
79        Err(Error::key_not_string())
80    }
81
82    fn serialize_some<T>(self, _value: &T) -> Result<Self::Ok, Self::Error>
83    where
84        T: serde::ser::Serialize + ?Sized,
85    {
86        Err(Error::key_not_string())
87    }
88
89    fn serialize_unit(self) -> Result<Self::Ok, Self::Error> {
90        Err(Error::key_not_string())
91    }
92
93    fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok, Self::Error> {
94        Err(Error::key_not_string())
95    }
96
97    fn serialize_unit_variant(
98        self,
99        _name: &'static str,
100        _variant_index: u32,
101        variant: &'static str,
102    ) -> Result<Self::Ok, Self::Error> {
103        self.dst.key(variant)?;
104        Ok(())
105    }
106
107    fn serialize_newtype_struct<T>(
108        self,
109        _name: &'static str,
110        value: &T,
111    ) -> Result<Self::Ok, Self::Error>
112    where
113        T: serde::ser::Serialize + ?Sized,
114    {
115        value.serialize(self)
116    }
117
118    fn serialize_newtype_variant<T>(
119        self,
120        _name: &'static str,
121        _variant_index: u32,
122        _variant: &'static str,
123        _value: &T,
124    ) -> Result<Self::Ok, Self::Error>
125    where
126        T: serde::ser::Serialize + ?Sized,
127    {
128        Err(Error::key_not_string())
129    }
130
131    fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
132        Err(Error::key_not_string())
133    }
134
135    fn serialize_tuple(self, _len: usize) -> Result<Self::SerializeTuple, Self::Error> {
136        Err(Error::key_not_string())
137    }
138
139    fn serialize_tuple_struct(
140        self,
141        _name: &'static str,
142        _len: usize,
143    ) -> Result<Self::SerializeTupleStruct, Self::Error> {
144        Err(Error::key_not_string())
145    }
146
147    fn serialize_tuple_variant(
148        self,
149        _name: &'static str,
150        _variant_index: u32,
151        _variant: &'static str,
152        _len: usize,
153    ) -> Result<Self::SerializeTupleVariant, Self::Error> {
154        Err(Error::key_not_string())
155    }
156
157    fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
158        Err(Error::key_not_string())
159    }
160
161    fn serialize_struct(
162        self,
163        _name: &'static str,
164        _len: usize,
165    ) -> Result<Self::SerializeStruct, Self::Error> {
166        Err(Error::key_not_string())
167    }
168
169    fn serialize_struct_variant(
170        self,
171        _name: &'static str,
172        _variant_index: u32,
173        _variant: &'static str,
174        _len: usize,
175    ) -> Result<Self::SerializeStructVariant, Self::Error> {
176        Err(Error::key_not_string())
177    }
178}
toml/ser/value/key.rs

toml/ser/value/
key.rs
