Vendor things

third-party/vendor/toml_edit/tests/decoder.rs

@@ -0,0 +1,100 @@
+#[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?))
+}