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refactor(help): Make spec value implementations more flexible

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Ed Page 2022-08-25 11:54:34 -05:00
parent 06c40b636e
commit 64753bbc7d
1 changed files with 14 additions and 13 deletions
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27
src/output/help.rs
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@ -368,7 +368,17 @@ impl<'cmd, 'writer> Help<'cmd, 'writer> {
};
let mut help = about.clone();
help.replace_newline();
help.none(spec_vals);
if !spec_vals.is_empty() {
if !help.is_empty() {
let sep = if self.use_long && arg.is_some() {
"\n\n"
} else {
" "
};
help.none(sep);
}
help.none(spec_vals);
}
let avail_chars = self.term_w.saturating_sub(spaces);
debug!(
"Help::help: help_width={}, spaces={}, avail={}",
@ -480,7 +490,7 @@ impl<'cmd, 'writer> Help<'cmd, 'writer> {
fn spec_vals(&self, a: &Arg) -> String {
debug!("Help::spec_vals: a={}", a);
let mut spec_vals = vec![];
let mut spec_vals = Vec::new();
#[cfg(feature = "env")]
if let Some(ref env) = a.env {
if !a.is_hide_env_set() {
@ -575,16 +585,7 @@ impl<'cmd, 'writer> Help<'cmd, 'writer> {
spec_vals.push(format!("[possible values: {}]", pvs));
}
let connector = if self.use_long { "\n" } else { " " };
let prefix = if !spec_vals.is_empty() && !a.get_help().unwrap_or_default().is_empty() {
if self.use_long {
"\n\n"
} else {
" "
}
} else {
""
};
prefix.to_string() + &spec_vals.join(connector)
spec_vals.join(connector)
}
fn write_about(&mut self, before_new_line: bool, after_new_line: bool) {
@ -677,7 +678,7 @@ impl<'cmd, 'writer> Help<'cmd, 'writer> {
let all_als = short_als.join(", ");
if !all_als.is_empty() {
spec_vals.push(format!(" [aliases: {}]", all_als));
spec_vals.push(format!("[aliases: {}]", all_als));
}
}
spec_vals.join(" ")