1 #![cfg(all(feature = "parse", feature = "display"))]
2
3 #[derive(Copy, Clone)]
4 pub struct Decoder;
5
6 impl toml_test_harness::Decoder for Decoder {
name(&self) -> &str7 fn name(&self) -> &str {
8 "toml"
9 }
10
decode(&self, data: &[u8]) -> Result<toml_test_harness::Decoded, toml_test_harness::Error>11 fn decode(&self, data: &[u8]) -> Result<toml_test_harness::Decoded, toml_test_harness::Error> {
12 let data = std::str::from_utf8(data).map_err(toml_test_harness::Error::new)?;
13 let document = data
14 .parse::<toml::Table>()
15 .map_err(toml_test_harness::Error::new)?;
16 let value = toml::Value::Table(document);
17 value_to_decoded(&value)
18 }
19 }
20
value_to_decoded( value: &toml::Value, ) -> Result<toml_test_harness::Decoded, toml_test_harness::Error>21 fn value_to_decoded(
22 value: &toml::Value,
23 ) -> Result<toml_test_harness::Decoded, toml_test_harness::Error> {
24 match value {
25 toml::Value::Integer(v) => Ok(toml_test_harness::Decoded::Value(
26 toml_test_harness::DecodedValue::from(*v),
27 )),
28 toml::Value::String(v) => Ok(toml_test_harness::Decoded::Value(
29 toml_test_harness::DecodedValue::from(v),
30 )),
31 toml::Value::Float(v) => Ok(toml_test_harness::Decoded::Value(
32 toml_test_harness::DecodedValue::from(*v),
33 )),
34 toml::Value::Datetime(v) => {
35 let value = v.to_string();
36 let value = match (v.date.is_some(), v.time.is_some(), v.offset.is_some()) {
37 (true, true, true) => toml_test_harness::DecodedValue::Datetime(value),
38 (true, true, false) => toml_test_harness::DecodedValue::DatetimeLocal(value),
39 (true, false, false) => toml_test_harness::DecodedValue::DateLocal(value),
40 (false, true, false) => toml_test_harness::DecodedValue::TimeLocal(value),
41 _ => unreachable!("Unsupported case"),
42 };
43 Ok(toml_test_harness::Decoded::Value(value))
44 }
45 toml::Value::Boolean(v) => Ok(toml_test_harness::Decoded::Value(
46 toml_test_harness::DecodedValue::from(*v),
47 )),
48 toml::Value::Array(v) => {
49 let v: Result<_, toml_test_harness::Error> = v.iter().map(value_to_decoded).collect();
50 Ok(toml_test_harness::Decoded::Array(v?))
51 }
52 toml::Value::Table(v) => table_to_decoded(v),
53 }
54 }
55
table_to_decoded( value: &toml::value::Table, ) -> Result<toml_test_harness::Decoded, toml_test_harness::Error>56 fn table_to_decoded(
57 value: &toml::value::Table,
58 ) -> Result<toml_test_harness::Decoded, toml_test_harness::Error> {
59 let table: Result<_, toml_test_harness::Error> = value
60 .iter()
61 .map(|(k, v)| {
62 let k = k.to_owned();
63 let v = value_to_decoded(v)?;
64 Ok((k, v))
65 })
66 .collect();
67 Ok(toml_test_harness::Decoded::Table(table?))
68 }
69