forked from extern/nushell
55 lines
2.0 KiB
Rust
55 lines
2.0 KiB
Rust
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use crate::object::base::OF64;
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use crate::object::{DataDescriptor, Dictionary, Primitive, Value};
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use crate::prelude::*;
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fn convert_yaml_value_to_nu_value(v: &serde_yaml::Value) -> Value {
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match v {
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serde_yaml::Value::Bool(b) => Value::Primitive(Primitive::Boolean(*b)),
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serde_yaml::Value::Number(n) if n.is_i64() => {
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Value::Primitive(Primitive::Int(n.as_i64().unwrap()))
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}
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serde_yaml::Value::Number(n) if n.is_f64() => {
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Value::Primitive(Primitive::Float(OF64::from(n.as_f64().unwrap())))
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}
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serde_yaml::Value::String(s) => Value::Primitive(Primitive::String(s.clone())),
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serde_yaml::Value::Sequence(a) => Value::List(
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a.iter()
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.map(|x| convert_yaml_value_to_nu_value(x))
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.collect(),
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),
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serde_yaml::Value::Mapping(t) => {
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let mut collected = Dictionary::default();
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for (k, v) in t.iter() {
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match k {
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serde_yaml::Value::String(k) => {
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collected.add(
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DataDescriptor::from(k.clone()),
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convert_yaml_value_to_nu_value(v),
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);
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}
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_ => unimplemented!("Unknown key type"),
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}
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}
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Value::Object(collected)
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}
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_ => unimplemented!("Unsupported yaml case"),
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}
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}
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pub fn from_yaml_string_to_value(s: String) -> Value {
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let v: serde_yaml::Value = serde_yaml::from_str(&s).unwrap();
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convert_yaml_value_to_nu_value(&v)
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}
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pub fn from_yaml(args: CommandArgs) -> Result<OutputStream, ShellError> {
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let out = args.input;
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Ok(out
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.map(|a| match a {
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Value::Primitive(Primitive::String(s)) => {
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ReturnValue::Value(from_yaml_string_to_value(s))
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}
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_ => ReturnValue::Value(Value::Primitive(Primitive::String("".to_string()))),
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})
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.boxed())
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}
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