forked from extern/nushell
78 lines
2.7 KiB
Rust
78 lines
2.7 KiB
Rust
use crate::object::base::OF64;
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use crate::object::{Primitive, TaggedDictBuilder, Value};
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use crate::prelude::*;
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pub fn convert_toml_value_to_nu_value(v: &toml::Value, tag: impl Into<Tag>) -> Tagged<Value> {
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let tag = tag.into();
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match v {
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toml::Value::Boolean(b) => Value::Primitive(Primitive::Boolean(*b)).tagged(tag),
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toml::Value::Integer(n) => Value::Primitive(Primitive::Int(*n)).tagged(tag),
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toml::Value::Float(n) => Value::Primitive(Primitive::Float(OF64::from(*n))).tagged(tag),
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toml::Value::String(s) => Value::Primitive(Primitive::String(String::from(s))).tagged(tag),
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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, tag))
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.collect(),
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)
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.tagged(tag),
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toml::Value::Datetime(dt) => {
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Value::Primitive(Primitive::String(dt.to_string())).tagged(tag)
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}
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toml::Value::Table(t) => {
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let mut collected = TaggedDictBuilder::new(tag);
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for (k, v) in t.iter() {
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collected.insert_tagged(k.clone(), convert_toml_value_to_nu_value(v, tag));
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}
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collected.into_tagged_value()
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}
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}
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}
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pub fn from_toml_string_to_value(
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s: String,
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tag: impl Into<Tag>,
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) -> Result<Tagged<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, tag))
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}
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pub fn from_toml(
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args: CommandArgs,
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registry: &CommandRegistry,
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) -> Result<OutputStream, ShellError> {
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let args = args.evaluate_once(registry)?;
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let span = args.name_span();
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let out = args.input;
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Ok(out
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.values
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.map(move |a| {
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let value_tag = a.tag();
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match a.item {
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Value::Primitive(Primitive::String(s)) => {
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match from_toml_string_to_value(s, value_tag) {
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Ok(x) => ReturnSuccess::value(x),
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Err(_) => Err(ShellError::labeled_error_with_secondary(
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"Could not parse as TOML",
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"input cannot be parsed as TOML",
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span,
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"value originates from here",
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value_tag.span,
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)),
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}
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}
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x => Err(ShellError::labeled_error_with_secondary(
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"Expected a string from pipeline",
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"requires string input",
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span,
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format!("{} originates from here", x.type_name()),
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value_tag.span,
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)),
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}
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})
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.to_output_stream())
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}
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