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refactor(complete): Pull out common candidate code

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Ed Page 2024-09-20 14:36:07 -05:00
parent 1448791940
commit 59a61e188f
1 changed files with 38 additions and 45 deletions
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75
clap_complete/src/engine/complete.rs
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@ -426,13 +426,7 @@ fn longs_and_visible_aliases(p: &clap::Command) -> Vec<CompletionCandidate> {
.filter_map(|a| {
a.get_long_and_visible_aliases().map(|longs| {
longs.into_iter().map(|s| {
CompletionCandidate::new(format!("--{}", s))
.help(a.get_help().cloned())
.id(Some(format!("arg::{}", a.get_id())))
.tag(Some(
a.get_help_heading().unwrap_or("Options").to_owned().into(),
))
.hide(a.is_hide_set())
populate_arg_candidate(CompletionCandidate::new(format!("--{}", s)), a)
})
})
})
@ -448,12 +442,7 @@ fn hidden_longs_aliases(p: &clap::Command) -> Vec<CompletionCandidate> {
.filter_map(|a| {
a.get_aliases().map(|longs| {
longs.into_iter().map(|s| {
CompletionCandidate::new(format!("--{}", s))
.help(a.get_help().cloned())
.id(Some(format!("arg::{}", a.get_id())))
.tag(Some(
a.get_help_heading().unwrap_or("Options").to_owned().into(),
))
populate_arg_candidate(CompletionCandidate::new(format!("--{}", s)), a)
.hide(true)
})
})
@ -471,17 +460,11 @@ fn shorts_and_visible_aliases(p: &clap::Command) -> Vec<CompletionCandidate> {
.filter_map(|a| {
a.get_short_and_visible_aliases().map(|shorts| {
shorts.into_iter().map(|s| {
CompletionCandidate::new(s.to_string())
.help(
populate_arg_candidate(CompletionCandidate::new(s.to_string()), a).help(
a.get_help()
.cloned()
.or_else(|| a.get_long().map(|long| format!("--{long}").into())),
)
.id(Some(format!("arg::{}", a.get_id())))
.tag(Some(
a.get_help_heading().unwrap_or("Options").to_owned().into(),
))
.hide(a.is_hide_set())
})
})
})
@ -489,6 +472,19 @@ fn shorts_and_visible_aliases(p: &clap::Command) -> Vec<CompletionCandidate> {
.collect()
}
fn populate_arg_candidate(candidate: CompletionCandidate, arg: &clap::Arg) -> CompletionCandidate {
candidate
.help(arg.get_help().cloned())
.id(Some(format!("arg::{}", arg.get_id())))
.tag(Some(
arg.get_help_heading()
.unwrap_or("Options")
.to_owned()
.into(),
))
.hide(arg.is_hide_set())
}
/// Get the possible values for completion
fn possible_values(a: &clap::Arg) -> Option<Vec<clap::builder::PossibleValue>> {
if !a.get_num_args().expect("built").takes_values() {
@ -511,34 +507,31 @@ fn subcommands(p: &clap::Command) -> Vec<CompletionCandidate> {
.flat_map(|sc| {
sc.get_name_and_visible_aliases()
.into_iter()
.map(|s| {
CompletionCandidate::new(s.to_string())
.help(sc.get_about().cloned())
.id(Some(format!("command::{}", sc.get_name())))
.tag(Some(
p.get_subcommand_help_heading()
.unwrap_or("Commands")
.to_owned()
.into(),
))
.hide(sc.is_hide_set())
})
.map(|s| populate_command_candidate(CompletionCandidate::new(s.to_string()), p, sc))
.chain(sc.get_aliases().map(|s| {
CompletionCandidate::new(s.to_string())
.help(sc.get_about().cloned())
.id(Some(format!("command::{}", sc.get_name())))
.tag(Some(
p.get_subcommand_help_heading()
.unwrap_or("Commands")
.to_owned()
.into(),
))
populate_command_candidate(CompletionCandidate::new(s.to_string()), p, sc)
.hide(true)
}))
})
.collect()
}
fn populate_command_candidate(
candidate: CompletionCandidate,
cmd: &clap::Command,
subcommand: &clap::Command,
) -> CompletionCandidate {
candidate
.help(subcommand.get_about().cloned())
.id(Some(format!("command::{}", subcommand.get_name())))
.tag(Some(
cmd.get_subcommand_help_heading()
.unwrap_or("Commands")
.to_owned()
.into(),
))
.hide(subcommand.is_hide_set())
}
/// Parse the short flags and find the first `takes_values` option.
fn parse_shortflags<'c, 's>(
cmd: &'c clap::Command,