forked from extern/nushell
58 lines
2.2 KiB
Rust
58 lines
2.2 KiB
Rust
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_toml_value_to_nu_value(v: &toml::Value) -> Value {
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match v {
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toml::Value::Boolean(b) => Value::Primitive(Primitive::Boolean(*b)),
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toml::Value::Integer(n) => Value::Primitive(Primitive::Int(*n)),
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toml::Value::Float(n) => Value::Primitive(Primitive::Float(OF64::from(*n))),
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toml::Value::String(s) => Value::Primitive(Primitive::String(s.clone())),
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toml::Value::Array(a) => Value::List(
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a.iter()
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.map(|x| convert_toml_value_to_nu_value(x))
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.collect(),
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),
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toml::Value::Datetime(dt) => Value::Primitive(Primitive::String(dt.to_string())),
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toml::Value::Table(t) => {
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let mut collected = Dictionary::default();
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for (k, v) in t.iter() {
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collected.add(
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DataDescriptor::from(k.clone()),
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convert_toml_value_to_nu_value(v),
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);
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}
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Value::Object(collected)
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}
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}
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}
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pub fn from_toml_string_to_value(s: String) -> Result<Value, Box<dyn std::error::Error>> {
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let v: toml::Value = s.parse::<toml::Value>()?;
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Ok(convert_toml_value_to_nu_value(&v))
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}
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pub fn from_toml(args: CommandArgs) -> Result<OutputStream, ShellError> {
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let out = args.input;
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let span = args.name_span;
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Ok(out
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.map(move |a| match a {
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Value::Primitive(Primitive::String(s)) => match from_toml_string_to_value(s) {
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Ok(x) => ReturnValue::Value(x),
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Err(_) => {
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ReturnValue::Value(Value::Error(Box::new(ShellError::maybe_labeled_error(
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"Could not parse as TOML",
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"piped data failed TOML parse",
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span,
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))))
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}
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},
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_ => ReturnValue::Value(Value::Error(Box::new(ShellError::maybe_labeled_error(
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"Expected string values from pipeline",
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"expects strings from pipeline",
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span,
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)))),
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})
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.boxed())
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}
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