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
|
use std::collections::HashMap;
use std::error::Error;
use crate::error::{ConfigError, Unexpected};
use crate::value::{Value, ValueKind};
#[derive(serde::Deserialize, Debug)]
#[serde(untagged)]
pub enum Val {
Null,
Boolean(bool),
Integer(i64),
Float(f64),
String(String),
Array(Vec<Val>),
Object(HashMap<String, Val>),
}
pub fn parse(
uri: Option<&String>,
text: &str,
) -> Result<HashMap<String, Value>, Box<dyn Error + Send + Sync>> {
let root = json5_rs::from_str::<Val>(&text)?;
if let Some(err) = match root {
Val::String(ref value) => Some(Unexpected::Str(value.clone())),
Val::Integer(value) => Some(Unexpected::Integer(value)),
Val::Float(value) => Some(Unexpected::Float(value)),
Val::Boolean(value) => Some(Unexpected::Bool(value)),
Val::Object(_) => None,
Val::Array(_) => Some(Unexpected::Seq),
Val::Null => Some(Unexpected::Unit),
} {
return Err(ConfigError::invalid_root(uri, err));
}
let value = from_json5_value(uri, root);
match value.kind {
ValueKind::Table(map) => Ok(map),
_ => Ok(HashMap::new()),
}
}
fn from_json5_value(uri: Option<&String>, value: Val) -> Value {
match value {
Val::String(v) => Value::new(uri, ValueKind::String(v)),
Val::Integer(v) => Value::new(uri, ValueKind::Integer(v)),
Val::Float(v) => Value::new(uri, ValueKind::Float(v)),
Val::Boolean(v) => Value::new(uri, ValueKind::Boolean(v)),
Val::Object(table) => {
let mut m = HashMap::new();
for (key, value) in table {
m.insert(key, from_json5_value(uri, value));
}
Value::new(uri, ValueKind::Table(m))
}
Val::Array(array) => {
let mut l = Vec::new();
for value in array {
l.push(from_json5_value(uri, value));
}
Value::new(uri, ValueKind::Array(l))
}
Val::Null => Value::new(uri, ValueKind::Nil),
}
}
|
