use crate::object::base::OF64;
use crate::object::{Primitive, SpannedDictBuilder, Value};
use crate::prelude::*;
fn convert_toml_value_to_nu_value(v: &toml::Value, span: impl Into<Span>) -> Spanned<Value> {
let span = span.into();
match v {
toml::Value::Boolean(b) => Value::Primitive(Primitive::Boolean(*b)).spanned(span),
toml::Value::Integer(n) => Value::Primitive(Primitive::Int(*n)).spanned(span),
toml::Value::Float(n) => Value::Primitive(Primitive::Float(OF64::from(*n))).spanned(span),
toml::Value::String(s) => {
Value::Primitive(Primitive::String(String::from(s))).spanned(span)
}
toml::Value::Array(a) => Value::List(
a.iter()
.map(|x| convert_toml_value_to_nu_value(x, span))
.collect(),
)
.spanned(span),
toml::Value::Datetime(dt) => {
Value::Primitive(Primitive::String(dt.to_string())).spanned(span)
}
toml::Value::Table(t) => {
let mut collected = SpannedDictBuilder::new(span);
for (k, v) in t.iter() {
collected.insert_spanned(k.clone(), convert_toml_value_to_nu_value(v, span));
}
collected.into_spanned_value()
}
}
}
pub fn from_toml_string_to_value(
s: String,
span: impl Into<Span>,
) -> Result<Spanned<Value>, Box<dyn std::error::Error>> {
let v: toml::Value = s.parse::<toml::Value>()?;
Ok(convert_toml_value_to_nu_value(&v, span))
}
pub fn from_toml(args: CommandArgs) -> Result<OutputStream, ShellError> {
let out = args.input;
let span = args.name_span;
Ok(out
.values
.map(move |a| match a.item {
Value::Primitive(Primitive::String(s)) => match from_toml_string_to_value(s, span) {
Ok(x) => ReturnSuccess::value(x.spanned(a.span)),
Err(_) => Err(ShellError::maybe_labeled_error(
"Could not parse as TOML",
"piped data failed TOML parse",
span,
)),
},
_ => Err(ShellError::maybe_labeled_error(
"Expected string values from pipeline",
"expects strings from pipeline",
span,
)),
})
.to_output_stream())
}