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add the ability to highlight searched for terms (#5979)

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Darren Schroeder 2022-07-07 07:14:06 -05:00 committed by GitHub
parent 47f6d20131
commit efa56d0147
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 31 additions and 10 deletions
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41
crates/nu-command/src/core_commands/help.rs
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@ -1,12 +1,11 @@
use nu_ansi_term::Color::{Red, White};
use nu_engine::{get_full_help, CallExt};
use nu_protocol::{
ast::Call,
engine::{Command, EngineState, Stack},
span, Category, Example, IntoInterruptiblePipelineData, IntoPipelineData, PipelineData,
ShellError, Signature, Spanned, SyntaxShape, Value,
};
use nu_engine::{get_full_help, CallExt};
use std::borrow::Borrow;
#[derive(Clone)]
@ -85,6 +84,7 @@ fn help(
let commands = engine_state.get_decl_ids_sorted(false);
if let Some(f) = find {
let replace_string = White.on(Red).paint(f.item.clone()).to_string();
let search_string = f.item.to_lowercase();
let mut found_cmds_vec = Vec::new();
@ -106,13 +106,16 @@ fn help(
false
};
if key.to_lowercase().contains(&search_string)
|| usage.to_lowercase().contains(&search_string)
|| matches_term
{
let key_match = key.to_lowercase().contains(&search_string);
let use_match = usage.to_lowercase().contains(&search_string);
if key_match || use_match || matches_term {
cols.push("name".into());
vals.push(Value::String {
val: key,
val: if key_match {
key.as_str().replace(&key, &replace_string)
} else {
key
},
span: head,
});
@ -142,7 +145,11 @@ fn help(
cols.push("usage".into());
vals.push(Value::String {
val: usage,
val: if use_match {
usage.as_str().replace(&usage, &replace_string)
} else {
usage
},
span: head,
});
@ -151,7 +158,21 @@ fn help(
Value::nothing(head)
} else {
Value::String {
val: search_terms.join(", "),
val: if matches_term {
search_terms
.iter()
.map(|term| {
if term.to_lowercase().contains(&search_string) {
term.replace(term, &replace_string.clone())
} else {
term.clone()
}
})
.collect::<Vec<_>>()
.join(", ")
} else {
search_terms.join(", ")
},
span: head,
}
});