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#[derive(Copy, Clone)]
pub struct Decoder;
impl toml_test_harness::Decoder for Decoder {
fn name(&self) -> &str {
"toml_edit"
}
fn decode(&self, data: &[u8]) -> Result<toml_test_harness::Decoded, toml_test_harness::Error> {
let data = std::str::from_utf8(data).map_err(toml_test_harness::Error::new)?;
let document = data
.parse::<toml_edit::Document>()
.map_err(toml_test_harness::Error::new)?;
document_to_decoded(&document)
}
}
fn document_to_decoded(
value: &toml_edit::Document,
) -> Result<toml_test_harness::Decoded, toml_test_harness::Error> {
table_to_decoded(value)
}
fn item_to_decoded(
value: &toml_edit::Item,
) -> Result<toml_test_harness::Decoded, toml_test_harness::Error> {
match value {
toml_edit::Item::None => unreachable!("No nones"),
toml_edit::Item::Value(v) => value_to_decoded(v),
toml_edit::Item::Table(v) => table_to_decoded(v),
toml_edit::Item::ArrayOfTables(v) => {
let v: Result<_, toml_test_harness::Error> = v.iter().map(table_to_decoded).collect();
Ok(toml_test_harness::Decoded::Array(v?))
}
}
}
fn value_to_decoded(
value: &toml_edit::Value,
) -> Result<toml_test_harness::Decoded, toml_test_harness::Error> {
match value {
toml_edit::Value::Integer(v) => Ok(toml_test_harness::Decoded::Value(
toml_test_harness::DecodedValue::from(*v.value()),
)),
toml_edit::Value::String(v) => Ok(toml_test_harness::Decoded::Value(
toml_test_harness::DecodedValue::from(v.value()),
)),
toml_edit::Value::Float(v) => Ok(toml_test_harness::Decoded::Value(
toml_test_harness::DecodedValue::from(*v.value()),
)),
toml_edit::Value::Datetime(v) => {
let v = v.value();
let value = v.to_string();
let value = match (v.date.is_some(), v.time.is_some(), v.offset.is_some()) {
(true, true, true) => toml_test_harness::DecodedValue::Datetime(value),
(true, true, false) => toml_test_harness::DecodedValue::DatetimeLocal(value),
(true, false, false) => toml_test_harness::DecodedValue::DateLocal(value),
(false, true, false) => toml_test_harness::DecodedValue::TimeLocal(value),
_ => unreachable!("Unsupported case"),
};
Ok(toml_test_harness::Decoded::Value(value))
}
toml_edit::Value::Boolean(v) => Ok(toml_test_harness::Decoded::Value(
toml_test_harness::DecodedValue::from(*v.value()),
)),
toml_edit::Value::Array(v) => {
let v: Result<_, toml_test_harness::Error> = v.iter().map(value_to_decoded).collect();
Ok(toml_test_harness::Decoded::Array(v?))
}
toml_edit::Value::InlineTable(v) => inline_table_to_decoded(v),
}
}
fn table_to_decoded(
value: &toml_edit::Table,
) -> Result<toml_test_harness::Decoded, toml_test_harness::Error> {
let table: Result<_, toml_test_harness::Error> = value
.iter()
.map(|(k, v)| {
let k = k.to_owned();
let v = item_to_decoded(v)?;
Ok((k, v))
})
.collect();
Ok(toml_test_harness::Decoded::Table(table?))
}
fn inline_table_to_decoded(
value: &toml_edit::InlineTable,
) -> Result<toml_test_harness::Decoded, toml_test_harness::Error> {
let table: Result<_, toml_test_harness::Error> = value
.iter()
.map(|(k, v)| {
let k = k.to_owned();
let v = value_to_decoded(v)?;
Ok((k, v))
})
.collect();
Ok(toml_test_harness::Decoded::Table(table?))
}
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