serde_magnus 0.2.0

Serde integration for Magnus
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

use super::Serializer;
use crate::error::Error;
use magnus::{RArray, Value};
use serde::{
    ser::{SerializeSeq, SerializeTuple, SerializeTupleStruct},
    Serialize,
};

pub struct SeqSerializer {
    array: RArray,
}

impl SeqSerializer {
    pub fn new(array: RArray) -> SeqSerializer {
        SeqSerializer { array }
    }
}

impl SerializeSeq for SeqSerializer {
    type Ok = Value;
    type Error = Error;

    fn serialize_element<Element>(&mut self, element: &Element) -> Result<(), Self::Error>
    where
        Element: Serialize + ?Sized,
    {
        self.array
            .push(element.serialize(Serializer)?)
            .map_err(Into::into)
    }

    fn end(self) -> Result<Self::Ok, self::Error> {
        Ok(self.array.into())
    }
}

impl SerializeTuple for SeqSerializer {
    type Ok = Value;
    type Error = Error;

    fn serialize_element<Element>(&mut self, element: &Element) -> Result<(), Self::Error>
    where
        Element: Serialize + ?Sized,
    {
        <Self as SerializeSeq>::serialize_element(self, element)
    }

    fn end(self) -> Result<Self::Ok, self::Error> {
        <Self as SerializeSeq>::end(self)
    }
}

impl SerializeTupleStruct for SeqSerializer {
    type Ok = Value;
    type Error = Error;

    fn serialize_field<Field>(&mut self, field: &Field) -> Result<(), Self::Error>
    where
        Field: Serialize + ?Sized,
    {
        <Self as SerializeSeq>::serialize_element(self, field)
    }

    fn end(self) -> Result<Self::Ok, self::Error> {
        <Self as SerializeSeq>::end(self)
    }
}