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use linked_hash_map::LinkedHashMap;
use std::error::Error;
use crate::value::{Value, ValueKind};
pub fn parse(
uri: Option<&String>,
text: &str,
) -> Result<LinkedHashMap<String, Value>, Box<dyn Error + Send + Sync>> {
let value = from_ron_value(uri, ron::from_str(text)?)?;
match value.kind {
ValueKind::Table(map) => Ok(map),
_ => Ok(LinkedHashMap::new()),
}
}
fn from_ron_value(
uri: Option<&String>,
value: ron::Value,
) -> Result<Value, Box<dyn Error + Send + Sync>> {
let kind = match value {
ron::Value::Option(value) => match value {
Some(value) => from_ron_value(uri, *value)?.kind,
None => ValueKind::Nil,
},
ron::Value::Unit => ValueKind::Nil,
ron::Value::Bool(value) => ValueKind::Boolean(value),
ron::Value::Number(value) => match value {
ron::Number::Float(value) => ValueKind::Float(value.get()),
ron::Number::Integer(value) => ValueKind::Integer(value),
},
ron::Value::Char(value) => ValueKind::String(value.to_string()),
ron::Value::String(value) => ValueKind::String(value),
ron::Value::Seq(values) => {
let array = values
.into_iter()
.map(|value| from_ron_value(uri, value))
.collect::<Result<Vec<_>, _>>()?;
ValueKind::Array(array)
}
ron::Value::Map(values) => {
let map = values
.iter()
.map(|(key, value)| -> Result<_, Box<dyn Error + Send + Sync>> {
let key = key.clone().into_rust::<String>()?;
let value = from_ron_value(uri, value.clone())?;
Ok((key, value))
})
.collect::<Result<LinkedHashMap<_, _>, _>>()?;
ValueKind::Table(map)
}
};
Ok(Value::new(uri, kind))
}
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