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fix: fixes a bug that prevented number_of_values and default_values to be used together

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Closes #1050
Closes #1056
This commit is contained in:
Kevin K 2017-10-24 12:56:02 -07:00
parent f7a6955238
commit 5eb342a99d
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1 changed files with 14 additions and 0 deletions
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14
src/app/parser.rs
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@ -1723,17 +1723,24 @@ impl<'a, 'b> Parser<'a, 'b>
}
pub fn add_defaults(&mut self, matcher: &mut ArgMatcher<'a>) -> ClapResult<()> {
debugln!("Parser::add_defaults;");
macro_rules! add_val {
(@default $_self:ident, $a:ident, $m:ident) => {
if let Some(ref val) = $a.v.default_val {
debugln!("Parser::add_defaults:iter:{}: has default vals", $a.b.name);
if $m.get($a.b.name).map(|ma| ma.vals.len()).map(|len| len == 0).unwrap_or(false) {
debugln!("Parser::add_defaults:iter:{}: has no user defined vals", $a.b.name);
$_self.add_val_to_arg($a, OsStr::new(val), $m)?;
if $_self.cache.map_or(true, |name| name != $a.name()) {
arg_post_processing!($_self, $a, $m);
$_self.cache = Some($a.name());
}
} else if $m.get($a.b.name).is_some() {
debugln!("Parser::add_defaults:iter:{}: has user defined vals", $a.b.name);
} else {
debugln!("Parser::add_defaults:iter:{}: wasn't used", $a.b.name);
$_self.add_val_to_arg($a, OsStr::new(val), $m)?;
if $_self.cache.map_or(true, |name| name != $a.name()) {
@ -1741,10 +1748,13 @@ impl<'a, 'b> Parser<'a, 'b>
$_self.cache = Some($a.name());
}
}
} else {
debugln!("Parser::add_defaults:iter:{}: doesn't have default vals", $a.b.name);
}
};
($_self:ident, $a:ident, $m:ident) => {
if let Some(ref vm) = $a.v.default_vals_ifs {
sdebugln!(" has conditional defaults");
let mut done = false;
if $m.get($a.b.name).is_none() {
for &(arg, val, default) in vm.values() {
@ -1772,15 +1782,19 @@ impl<'a, 'b> Parser<'a, 'b>
if done {
continue; // outer loop (outside macro)
}
} else {
sdebugln!(" doesn't have conditional defaults");
}
add_val!(@default $_self, $a, $m)
};
}
for o in &self.opts {
debug!("Parser::add_defaults:iter:{}:", o.b.name);
add_val!(self, o, matcher);
}
for p in self.positionals.values() {
debug!("Parser::add_defaults:iter:{}:", p.b.name);
add_val!(self, p, matcher);
}
Ok(())