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Refactor scope commands (#10023)

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This commit is contained in:
Jakub Žádník
2023-08-17 11:58:38 +03:00
committed by GitHub
parent 35f8d8548a
commit e88a51e930
14 changed files with 440 additions and 269 deletions
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91
crates/nu-protocol/src/alias.rs
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@ -3,15 +3,16 @@ use crate::PipelineData;
use crate::{
ast::{Call, Expression},
engine::Command,
BlockId, Example, ShellError, Signature,
ShellError, Signature,
};
use std::path::PathBuf;
#[derive(Clone)]
pub struct Alias {
pub name: String,
pub command: Option<Box<dyn Command>>, // None if external call
pub wrapped_call: Expression,
pub usage: String,
pub extra_usage: String,
}
impl Command for Alias {
@ -28,19 +29,11 @@ impl Command for Alias {
}
fn usage(&self) -> &str {
if let Some(cmd) = &self.command {
cmd.usage()
} else {
"This alias wraps an unknown external command."
}
&self.usage
}
fn extra_usage(&self) -> &str {
if let Some(cmd) = &self.command {
cmd.extra_usage()
} else {
""
}
&self.extra_usage
}
fn run(
@ -57,30 +50,6 @@ impl Command for Alias {
})
}
fn examples(&self) -> Vec<Example> {
if let Some(cmd) = &self.command {
cmd.examples()
} else {
vec![]
}
}
fn is_builtin(&self) -> bool {
if let Some(cmd) = &self.command {
cmd.is_builtin()
} else {
false
}
}
fn is_known_external(&self) -> bool {
if let Some(cmd) = &self.command {
cmd.is_known_external()
} else {
false
}
}
fn is_alias(&self) -> bool {
true
}
@ -88,54 +57,4 @@ impl Command for Alias {
fn as_alias(&self) -> Option<&Alias> {
Some(self)
}
fn is_custom_command(&self) -> bool {
if let Some(cmd) = &self.command {
cmd.is_custom_command()
} else if self.get_block_id().is_some() {
true
} else {
self.is_known_external()
}
}
fn is_sub(&self) -> bool {
if let Some(cmd) = &self.command {
cmd.is_sub()
} else {
self.name().contains(' ')
}
}
fn is_parser_keyword(&self) -> bool {
if let Some(cmd) = &self.command {
cmd.is_parser_keyword()
} else {
false
}
}
fn is_plugin(&self) -> Option<(&PathBuf, &Option<PathBuf>)> {
if let Some(cmd) = &self.command {
cmd.is_plugin()
} else {
None
}
}
fn get_block_id(&self) -> Option<BlockId> {
if let Some(cmd) = &self.command {
cmd.get_block_id()
} else {
None
}
}
fn search_terms(&self) -> Vec<&str> {
if let Some(cmd) = &self.command {
cmd.search_terms()
} else {
vec![]
}
}
}