git.delta.rocks / jrsonnet / refs/commits / 13d49041c689

1use crate::{2	error::{Error::*, LocError, Result},3	throw, LazyBinding, LazyVal, ObjMember, ObjValue, Val,4};5use jrsonnet_parser::Visibility;6use serde_json::{Map, Number, Value};7use std::{8	collections::HashMap,9	convert::{TryFrom, TryInto},10	rc::Rc,11};1213impl TryFrom<&Val> for Value {14	type Error = LocError;15	fn try_from(v: &Val) -> Result<Self> {16		Ok(match v {17			Val::Bool(b) => Value::Bool(*b),18			Val::Null => Value::Null,19			Val::Str(s) => Value::String((&s as &str).into()),20			Val::Num(n) => Value::Number(Number::from_f64(*n).expect("to json number")),21			Val::Lazy(v) => (&v.evaluate()?).try_into()?,22			Val::Arr(a) => {23				let mut out = Vec::with_capacity(a.len());24				for item in a.iter() {25					out.push(item.try_into()?);26				}27				Value::Array(out)28			}29			Val::Obj(o) => {30				let mut out = Map::new();31				for key in o.visible_fields() {32					out.insert(33						(&key as &str).into(),34						(&o.get(key)?.expect("field exists")).try_into()?,35					);36				}37				Value::Object(out)38			}39			Val::Func(_) | Val::Intristic(_, _) => {40				throw!(RuntimeError("tried to manifest function".into()))41			}42		})43	}44}4546impl From<&Value> for Val {47	fn from(v: &Value) -> Self {48		match v {49			Value::Null => Val::Null,50			Value::Bool(v) => Val::Bool(*v),51			Value::Number(n) => Val::Num(n.as_f64().expect("as f64")),52			Value::String(s) => Val::Str((s as &str).into()),53			Value::Array(a) => {54				let mut out = Vec::with_capacity(a.len());55				for v in a {56					out.push(v.into());57				}58				Val::Arr(Rc::new(out))59			}60			Value::Object(o) => {61				let mut entries = HashMap::with_capacity(o.len());62				for (k, v) in o {63					entries.insert(64						(k as &str).into(),65						ObjMember {66							add: false,67							visibility: Visibility::Normal,68							invoke: LazyBinding::Bound(LazyVal::new_resolved(v.into())),69							location: None,70						},71					);72				}73				Val::Obj(ObjValue::new(None, Rc::new(entries)))74			}75		}76	}77}