tiny_serde/
lib.rs

1pub mod deserialize;
2pub mod error;
3pub mod serialize;
4pub use deserialize::{from_str, Deserialize};
5pub use serialize::Serialize;
6pub use tiny_serde_derive::Serialize;
7
8use std::collections::HashMap;
9
10#[derive(Clone, Debug)]
11pub enum Number {
12    Integer(u128),
13    SignedInteger(i128),
14    Decimal(f64),
15}
16
17impl ToString for Number {
18    fn to_string(&self) -> String {
19        match self {
20            Self::Integer(int) => int.to_string(),
21            Self::SignedInteger(int) => int.to_string(),
22            Self::Decimal(dec) => dec.to_string(),
23        }
24    }
25}
26
27#[derive(Clone, Debug)]
28pub enum Value {
29    Null,
30    Boolean(bool),
31    Number(Number),
32    String(String),
33    Array(Vec<Value>),
34    Object(HashMap<String, Value>),
35}
36
37impl ToString for Value {
38    fn to_string(&self) -> String {
39        match self {
40            Self::Null => "null".to_string(),
41            Self::Boolean(b) => match b {
42                true => "true",
43                false => "false",
44            }
45            .to_string(),
46            Self::Number(nb) => nb.to_string(),
47            Self::String(value) => {
48                let value = value
49                    .replace('"', r#"\""#)
50                    .replace('\\', r#"\\"#)
51                    .replace('\n', r#"\n"#)
52                    .replace('\r', r#"\r"#);
53                format!("\"{value}\"")
54            }
55            Self::Array(array) => array_to_json(array),
56            Self::Object(object) => object_to_json(object),
57        }
58    }
59}
60
61fn array_to_json(array: &[Value]) -> String {
62    let mut final_value = "[".to_string();
63    let last_index = array.len() - 1;
64    for (i, value) in array.iter().enumerate() {
65        final_value += &value.to_string();
66        if i < last_index {
67            final_value.push(',');
68        }
69    }
70    final_value += "]";
71    final_value
72}
73
74fn object_to_json(object: &HashMap<String, Value>) -> String {
75    let mut final_value = "{".to_string();
76    let last_index = object.len() - 1;
77    let mut i = 0;
78    for (key, value) in object.iter() {
79        if i < last_index {
80            final_value += &format!("\"{key}\":{},", value.to_string());
81        } else {
82            final_value += &format!("\"{key}\":{}", value.to_string());
83        }
84        i += 1;
85    }
86    final_value += "}";
87    final_value
88}
tiny_serde/lib.rs

tiny_serde/
lib.rs
