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_core::ser::Serializer for KeySerializer<'_> {
11    type Ok = ();
12    type Error = Error;
13    type SerializeSeq = serde_core::ser::Impossible<Self::Ok, Error>;
14    type SerializeTuple = serde_core::ser::Impossible<Self::Ok, Error>;
15    type SerializeTupleStruct = serde_core::ser::Impossible<Self::Ok, Error>;
16    type SerializeTupleVariant = serde_core::ser::Impossible<Self::Ok, Error>;
17    type SerializeMap = serde_core::ser::Impossible<Self::Ok, Error>;
18    type SerializeStruct = serde_core::ser::Impossible<Self::Ok, Error>;
19    type SerializeStructVariant = serde_core::ser::Impossible<Self::Ok, Error>;
20
21    fn serialize_bool(self, v: bool) -> Result<Self::Ok, Self::Error> {
22        self.dst.key(v.to_string())?;
23        Ok(())
24    }
25
26    fn serialize_i8(self, v: i8) -> Result<Self::Ok, Self::Error> {
27        self.dst.key(v.to_string())?;
28        Ok(())
29    }
30
31    fn serialize_i16(self, v: i16) -> Result<Self::Ok, Self::Error> {
32        self.dst.key(v.to_string())?;
33        Ok(())
34    }
35
36    fn serialize_i32(self, v: i32) -> Result<Self::Ok, Self::Error> {
37        self.dst.key(v.to_string())?;
38        Ok(())
39    }
40
41    fn serialize_i64(self, v: i64) -> Result<Self::Ok, Self::Error> {
42        self.dst.key(v.to_string())?;
43        Ok(())
44    }
45
46    fn serialize_i128(self, v: i128) -> Result<Self::Ok, Self::Error> {
47        self.dst.key(v.to_string())?;
48        Ok(())
49    }
50
51    fn serialize_u8(self, v: u8) -> Result<Self::Ok, Self::Error> {
52        self.dst.key(v.to_string())?;
53        Ok(())
54    }
55
56    fn serialize_u16(self, v: u16) -> Result<Self::Ok, Self::Error> {
57        self.dst.key(v.to_string())?;
58        Ok(())
59    }
60
61    fn serialize_u32(self, v: u32) -> Result<Self::Ok, Self::Error> {
62        self.dst.key(v.to_string())?;
63        Ok(())
64    }
65
66    fn serialize_u64(self, v: u64) -> Result<Self::Ok, Self::Error> {
67        self.dst.key(v.to_string())?;
68        Ok(())
69    }
70
71    fn serialize_u128(self, v: u128) -> Result<Self::Ok, Self::Error> {
72        self.dst.key(v.to_string())?;
73        Ok(())
74    }
75
76    fn serialize_f32(self, _v: f32) -> Result<Self::Ok, Self::Error> {
77        Err(Error::key_not_string())
78    }
79
80    fn serialize_f64(self, _v: f64) -> Result<Self::Ok, Self::Error> {
81        Err(Error::key_not_string())
82    }
83
84    fn serialize_char(self, v: char) -> Result<Self::Ok, Self::Error> {
85        let mut b = [0; 4];
86        let result = v.encode_utf8(&mut b);
87        self.dst.key(&*result)?;
88        Ok(())
89    }
90
91    fn serialize_str(self, value: &str) -> Result<Self::Ok, Self::Error> {
92        self.dst.key(value)?;
93        Ok(())
94    }
95
96    fn serialize_bytes(self, _value: &[u8]) -> Result<Self::Ok, Self::Error> {
97        Err(Error::key_not_string())
98    }
99
100    fn serialize_none(self) -> Result<Self::Ok, Self::Error> {
101        Err(Error::key_not_string())
102    }
103
104    fn serialize_some<T>(self, _value: &T) -> Result<Self::Ok, Self::Error>
105    where
106        T: serde_core::ser::Serialize + ?Sized,
107    {
108        Err(Error::key_not_string())
109    }
110
111    fn serialize_unit(self) -> Result<Self::Ok, Self::Error> {
112        Err(Error::key_not_string())
113    }
114
115    fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok, Self::Error> {
116        Err(Error::key_not_string())
117    }
118
119    fn serialize_unit_variant(
120        self,
121        _name: &'static str,
122        _variant_index: u32,
123        variant: &'static str,
124    ) -> Result<Self::Ok, Self::Error> {
125        self.dst.key(variant)?;
126        Ok(())
127    }
128
129    fn serialize_newtype_struct<T>(
130        self,
131        _name: &'static str,
132        value: &T,
133    ) -> Result<Self::Ok, Self::Error>
134    where
135        T: serde_core::ser::Serialize + ?Sized,
136    {
137        value.serialize(self)
138    }
139
140    fn serialize_newtype_variant<T>(
141        self,
142        _name: &'static str,
143        _variant_index: u32,
144        _variant: &'static str,
145        _value: &T,
146    ) -> Result<Self::Ok, Self::Error>
147    where
148        T: serde_core::ser::Serialize + ?Sized,
149    {
150        Err(Error::key_not_string())
151    }
152
153    fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
154        Err(Error::key_not_string())
155    }
156
157    fn serialize_tuple(self, _len: usize) -> Result<Self::SerializeTuple, Self::Error> {
158        Err(Error::key_not_string())
159    }
160
161    fn serialize_tuple_struct(
162        self,
163        _name: &'static str,
164        _len: usize,
165    ) -> Result<Self::SerializeTupleStruct, Self::Error> {
166        Err(Error::key_not_string())
167    }
168
169    fn serialize_tuple_variant(
170        self,
171        _name: &'static str,
172        _variant_index: u32,
173        _variant: &'static str,
174        _len: usize,
175    ) -> Result<Self::SerializeTupleVariant, Self::Error> {
176        Err(Error::key_not_string())
177    }
178
179    fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
180        Err(Error::key_not_string())
181    }
182
183    fn serialize_struct(
184        self,
185        _name: &'static str,
186        _len: usize,
187    ) -> Result<Self::SerializeStruct, Self::Error> {
188        Err(Error::key_not_string())
189    }
190
191    fn serialize_struct_variant(
192        self,
193        _name: &'static str,
194        _variant_index: u32,
195        _variant: &'static str,
196        _len: usize,
197    ) -> Result<Self::SerializeStructVariant, Self::Error> {
198        Err(Error::key_not_string())
199    }
200}
toml/ser/value/key.rs

toml/ser/value/
key.rs
