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/*!
Provides completions for ripgrep's CLI for the fish shell.
*/
use crate::flags::{CompletionType, defs::FLAGS};
const TEMPLATE: &'static str = "complete -c rg !SHORT! -l !LONG! -d '!DOC!'";
const TEMPLATE_NEGATED: &'static str = "complete -c rg -l !NEGATED! -n '__rg_contains_opt !LONG! !SHORT!' -d '!DOC!'\n";
/// Generate completions for Fish.
///
/// Reference: <https://fishshell.com/docs/current/completions.html>
pub(crate) fn generate() -> String {
let mut out = String::new();
out.push_str(include_str!("prelude.fish"));
out.push('\n');
for flag in FLAGS.iter() {
let short = match flag.name_short() {
None => "".to_string(),
Some(byte) => format!("-s {}", char::from(byte)),
};
let long = flag.name_long();
let doc = flag.doc_short().replace("'", "\\'");
let mut completion = TEMPLATE
.replace("!SHORT!", &short)
.replace("!LONG!", &long)
.replace("!DOC!", &doc);
match flag.completion_type() {
CompletionType::Filename => {
completion.push_str(" -r -F");
}
CompletionType::Executable => {
completion.push_str(" -r -f -a '(__fish_complete_command)'");
}
CompletionType::Filetype => {
completion.push_str(
" -r -f -a '(rg --type-list | string replace : \\t)'",
);
}
CompletionType::Encoding => {
completion.push_str(" -r -f -a '");
completion.push_str(super::ENCODINGS);
completion.push_str("'");
}
CompletionType::Other if !flag.doc_choices().is_empty() => {
completion.push_str(" -r -f -a '");
completion.push_str(&flag.doc_choices().join(" "));
completion.push_str("'");
}
CompletionType::Other if !flag.is_switch() => {
completion.push_str(" -r -f");
}
CompletionType::Other => (),
}
completion.push('\n');
out.push_str(&completion);
if let Some(negated) = flag.name_negated() {
let short = match flag.name_short() {
None => "".to_string(),
Some(byte) => char::from(byte).to_string(),
};
out.push_str(
&TEMPLATE_NEGATED
.replace("!NEGATED!", &negated)
.replace("!SHORT!", &short)
.replace("!LONG!", &long)
.replace("!DOC!", &doc),
);
}
}
out
}
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