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fix: fixes two bugs in App when printing newlines in help and subcommands required error

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This commit is contained in:
Kevin K 2015-08-01 00:44:20 -04:00
parent 62f283a7ca
commit d63c013631
1 changed files with 20 additions and 8 deletions
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28
src/app.rs
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@ -1234,7 +1234,10 @@ impl<'a, 'v, 'ab, 'u, 'h, 'ar> App<'a, 'v, 'ab, 'u, 'h, 'ar>{
write!(&mut usage, "{}{}",
self.usage.clone().unwrap_or(self.bin_name.clone().unwrap_or(self.name.clone())),
r_string
).ok().expect(INTERNAL_ERROR_MSG)
).ok().expect(INTERNAL_ERROR_MSG);
if self.no_sc_error {
write!(&mut usage, " <SUBCOMMAND>").ok().expect(INTERNAL_ERROR_MSG);
}
} else {
usage.push_str(&*self.usage.clone()
.unwrap_or(self.bin_name.clone()
@ -1284,8 +1287,10 @@ impl<'a, 'v, 'ab, 'u, 'h, 'ar> App<'a, 'v, 'ab, 'u, 'h, 'ar>{
usage.push_str(&req_string[..]);
if !self.subcommands.is_empty() {
if !self.subcommands.is_empty() && !self.no_sc_error {
usage.push_str(" [SUBCOMMAND]");
} else if self.no_sc_error && !self.subcommands.is_empty() {
usage.push_str(" <SUBCOMMAND>");
}
}
@ -1469,7 +1474,18 @@ impl<'a, 'v, 'ab, 'u, 'h, 'ar> App<'a, 'v, 'ab, 'u, 'h, 'ar>{
print!("...");
}
self.print_spaces((longest_pos + 4) - (v.to_string().len()));
print_opt_help!(self, v, longest_pos + 12);
if let Some(h) = v.help {
if h.contains("{n}") {
let mut hel = h.split("{n}");
while let Some(part) = hel.next() {
print!("{}\n", part);
self.print_spaces(longest_pos + 6);
print!("{}", hel.next().unwrap_or(""));
}
} else {
print!("{}", h);
}
}
print!("\n");
}
}
@ -2043,12 +2059,8 @@ impl<'a, 'v, 'ab, 'u, 'h, 'ar> App<'a, 'v, 'ab, 'u, 'h, 'ar>{
let bn = self.bin_name.clone().unwrap_or(self.name.clone());
self.report_error(format!("'{}' requires a subcommand but none was provided",
Format::Warning(&bn[..])),
if self.usage_str.is_some() { true } else { false },
true,
Some(matches.args.keys().map(|k| *k).collect()));
println!("USAGE:\n\t{} [SUBCOMMAND]\n\nFor more information re-run with {} or \
'{}'", &bn[..], Format::Good("--help"), Format::Good("help"));
self.exit(1);
} else if self.help_on_no_sc {
self.print_help();
self.exit(1);