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|
/*!
Provides completions for ripgrep's CLI for the bash shell.
*/
use crate::flags::defs::FLAGS;
const TEMPLATE_FULL: &'static str = "
_rg() {
local i cur prev opts cmds
COMPREPLY=()
cur=\"${COMP_WORDS[COMP_CWORD]}\"
prev=\"${COMP_WORDS[COMP_CWORD-1]}\"
cmd=\"\"
opts=\"\"
for i in ${COMP_WORDS[@]}; do
case \"${i}\" in
rg)
cmd=\"rg\"
;;
*)
;;
esac
done
case \"${cmd}\" in
rg)
opts=\"!OPTS!\"
if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]] ; then
COMPREPLY=($(compgen -W \"${opts}\" -- \"${cur}\"))
return 0
fi
case \"${prev}\" in
!CASES!
esac
COMPREPLY=($(compgen -W \"${opts}\" -- \"${cur}\"))
return 0
;;
esac
}
complete -F _rg -o bashdefault -o default rg
";
const TEMPLATE_CASE: &'static str = "
!FLAG!)
COMPREPLY=($(compgen -f \"${cur}\"))
return 0
;;
";
const TEMPLATE_CASE_CHOICES: &'static str = "
!FLAG!)
COMPREPLY=($(compgen -W \"!CHOICES!\" -- \"${cur}\"))
return 0
;;
";
/// Generate completions for Bash.
///
/// Note that these completions are based on what was produced for ripgrep <=13
/// using Clap 2.x. Improvements on this are welcome.
pub(crate) fn generate() -> String {
let mut opts = String::new();
for flag in FLAGS.iter() {
opts.push_str("--");
opts.push_str(flag.name_long());
opts.push(' ');
if let Some(short) = flag.name_short() {
opts.push('-');
opts.push(char::from(short));
opts.push(' ');
}
if let Some(name) = flag.name_negated() {
opts.push_str("--");
opts.push_str(name);
opts.push(' ');
}
}
opts.push_str("<PATTERN> <PATH>...");
let mut cases = String::new();
for flag in FLAGS.iter() {
let template = if !flag.doc_choices().is_empty() {
let choices = flag.doc_choices().join(" ");
TEMPLATE_CASE_CHOICES.trim_end().replace("!CHOICES!", &choices)
} else {
TEMPLATE_CASE.trim_end().to_string()
};
let name = format!("--{}", flag.name_long());
cases.push_str(&template.replace("!FLAG!", &name));
if let Some(short) = flag.name_short() {
let name = format!("-{}", char::from(short));
cases.push_str(&template.replace("!FLAG!", &name));
}
if let Some(negated) = flag.name_negated() {
let name = format!("--{negated}");
cases.push_str(&template.replace("!FLAG!", &name));
}
}
TEMPLATE_FULL
.replace("!OPTS!", &opts)
.replace("!CASES!", &cases)
.trim_start()
.to_string()
}
|
