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refactor: Pull out arg usage line

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Ed Page 2023-11-09 12:08:24 -06:00
parent 0c668c3915
commit 83981a7f7b
1 changed files with 33 additions and 23 deletions
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56
clap_builder/src/output/usage.rs
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@ -102,35 +102,15 @@ impl<'cmd> Usage<'cmd> {
fn write_help_usage(&self, styled: &mut StyledStr, incl_reqs: bool) {
debug!("Usage::create_help_usage; incl_reqs={incl_reqs:?}");
use std::fmt::Write as _;
let literal = &self.styles.get_literal();
let placeholder = &self.styles.get_placeholder();
let bin_name = self.get_name();
if !bin_name.is_empty() {
// the trim won't properly remove a leading space due to the formatting
let _ = write!(
styled,
"{}{bin_name}{} ",
literal.render(),
literal.render_reset()
);
}
if self.needs_options_tag() {
let _ = write!(
styled,
"{}[OPTIONS]{} ",
placeholder.render(),
placeholder.render_reset()
);
}
self.write_args(styled, &[], !incl_reqs);
self.write_arg_usage(styled, incl_reqs);
// incl_reqs is only false when this function is called recursively
if (self.cmd.has_visible_subcommands() || self.cmd.is_allow_external_subcommands_set())
&& incl_reqs
{
let literal = &self.styles.get_literal();
let placeholder = &self.styles.get_placeholder();
let value_name = self
.cmd
.get_subcommand_value_name()
@ -141,6 +121,7 @@ impl<'cmd> Usage<'cmd> {
styled.trim_end();
let _ = write!(styled, "{}", USAGE_SEP);
if self.cmd.is_args_conflicts_with_subcommands_set() {
let bin_name = self.get_name();
// Short-circuit full usage creation since no args will be relevant
let _ = write!(
styled,
@ -207,6 +188,35 @@ impl<'cmd> Usage<'cmd> {
}
}
fn write_arg_usage(&self, styled: &mut StyledStr, incl_reqs: bool) {
debug!("Usage::write_arg_usage; incl_reqs={incl_reqs:?}");
use std::fmt::Write as _;
let literal = &self.styles.get_literal();
let placeholder = &self.styles.get_placeholder();
let bin_name = self.get_name();
if !bin_name.is_empty() {
// the trim won't properly remove a leading space due to the formatting
let _ = write!(
styled,
"{}{bin_name}{} ",
literal.render(),
literal.render_reset()
);
}
if self.needs_options_tag() {
let _ = write!(
styled,
"{}[OPTIONS]{} ",
placeholder.render(),
placeholder.render_reset()
);
}
self.write_args(styled, &[], !incl_reqs);
}
fn get_name(&self) -> &str {
self.cmd
.get_usage_name()