mirror of
https://github.com/nushell/nushell.git
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118 lines
3.2 KiB
Rust
118 lines
3.2 KiB
Rust
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use crate::errors::ShellError;
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use crate::object::config;
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use crate::object::Value;
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use crate::parser::registry::{NamedType, NamedValue};
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use crate::parser::CommandConfig;
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use crate::prelude::*;
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use indexmap::IndexMap;
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use log::trace;
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pub struct Config;
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impl Command for Config {
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fn run(&self, args: CommandArgs) -> Result<OutputStream, ShellError> {
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config(args)
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}
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fn name(&self) -> &str {
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"config"
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}
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fn config(&self) -> CommandConfig {
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let mut named: IndexMap<String, NamedType> = IndexMap::new();
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named.insert("set".to_string(), NamedType::Optional(NamedValue::Tuple));
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named.insert("get".to_string(), NamedType::Optional(NamedValue::Single));
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named.insert("clear".to_string(), NamedType::Switch);
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named.insert(
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"remove".to_string(),
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NamedType::Optional(NamedValue::Single),
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);
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CommandConfig {
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name: self.name().to_string(),
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mandatory_positional: vec![],
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optional_positional: vec![],
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rest_positional: false,
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named,
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}
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}
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}
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pub fn config(args: CommandArgs) -> Result<OutputStream, ShellError> {
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let mut result = crate::object::config::config()?;
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trace!("{:#?}", args.positional);
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trace!("{:#?}", args.named);
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if let Some(v) = args.named.get("get") {
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let key = v.as_string()?;
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let value = result
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.get(&key)
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.ok_or_else(|| ShellError::string(&format!("Missing key {} in config", key)))?;
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return Ok(
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futures::stream::once(futures::future::ready(ReturnValue::Value(value.clone())))
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.boxed(),
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);
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}
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if let Some(v) = args.named.get("set") {
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if let Ok((key, value)) = v.as_pair() {
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result.insert(key.as_string()?, value.clone());
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config::write_config(&result)?;
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return Ok(
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futures::stream::once(futures::future::ready(ReturnValue::Value(Value::Object(
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result.into(),
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))))
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.boxed(),
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);
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}
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}
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if let Some(_) = args.named.get("clear") {
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result.clear();
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config::write_config(&result)?;
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return Ok(
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futures::stream::once(futures::future::ready(ReturnValue::Value(Value::Object(
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result.into(),
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))))
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.boxed(),
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);
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}
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if let Some(v) = args.named.get("remove") {
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let key = v.as_string()?;
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if result.contains_key(&key) {
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result.remove(&key);
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} else {
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return Err(ShellError::string(&format!(
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"{} does not exist in config",
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key
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)));
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}
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return Ok(
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futures::stream::once(futures::future::ready(ReturnValue::Value(Value::Object(
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result.into(),
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))))
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.boxed(),
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);
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}
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if args.positional.len() == 0 {
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return Ok(
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futures::stream::once(futures::future::ready(ReturnValue::Value(Value::Object(
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result.into(),
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))))
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.boxed(),
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);
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}
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Err(ShellError::string(format!("Unimplemented")))
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}
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