51 lines
1.3 KiB
Rust
51 lines
1.3 KiB
Rust
use crate::prelude::*;
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use std::error::Error;
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use std::sync::Arc;
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pub struct Context {
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commands: indexmap::IndexMap<String, Arc<dyn crate::Command>>,
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crate host: Box<dyn crate::Host>,
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crate env: Environment,
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}
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impl Context {
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crate fn basic() -> Result<Context, Box<Error>> {
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Ok(Context {
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commands: indexmap::IndexMap::new(),
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host: Box::new(crate::env::host::BasicHost),
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env: crate::Environment::basic()?,
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})
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}
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pub fn add_commands(&mut self, commands: Vec<(&str, Arc<dyn crate::Command>)>) {
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for (name, command) in commands {
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self.commands.insert(name.to_string(), command);
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}
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}
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crate fn has_command(&self, name: &str) -> bool {
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self.commands.contains_key(name)
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}
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crate fn get_command(&self, name: &str) -> Arc<dyn Command> {
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self.commands.get(name).unwrap().clone()
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}
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crate fn run_command(
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&mut self,
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command: Arc<dyn Command>,
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arg_list: Vec<Value>,
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input: VecDeque<Value>,
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) -> Result<VecDeque<ReturnValue>, ShellError> {
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let command_args = CommandArgs {
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host: &mut self.host,
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env: &self.env,
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args: arg_list,
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input,
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};
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command.run(command_args)
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}
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}
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