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https://github.com/clap-rs/clap
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refactor: Always inc occurrences before adding values
This is the logical order people think in terms of (`--foo` comes before `val` in `--foo val`). This also opens things up for using occurrence incrementing as a place to handle occurrence transitions, like overrides.
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d7f27e8732
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1 changed files with 7 additions and 8 deletions
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@ -591,6 +591,10 @@ impl<'help, 'app> Parser<'help, 'app> {
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}
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self.seen.push(p.id.clone());
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// Increase occurrence no matter if we are appending, occurrences
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// of positional argument equals to number of values rather than
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// the number of value groups.
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self.inc_occurrence_of_arg(matcher, p);
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// Creating new value group rather than appending when the arg
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// doesn't have any value. This behaviour is right because
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// positional arguments are always present continuously.
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@ -604,11 +608,6 @@ impl<'help, 'app> Parser<'help, 'app> {
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trailing_values,
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);
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// Increase occurrence no matter if we are appending, occurrences
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// of positional argument equals to number of values rather than
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// the number of value groups.
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self.inc_occurrence_of_arg(matcher, p);
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// Only increment the positional counter if it doesn't allow multiples
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if !p.is_multiple() {
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pos_counter += 1;
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@ -1302,6 +1301,7 @@ impl<'help, 'app> Parser<'help, 'app> {
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if opt.is_set(ArgSettings::RequireEquals) && !has_eq {
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if opt.min_vals == Some(0) {
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debug!("Requires equals, but min_vals == 0");
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self.inc_occurrence_of_arg(matcher, opt);
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// We assume this case is valid: require equals, but min_vals == 0.
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if !opt.default_missing_vals.is_empty() {
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debug!("Parser::parse_opt: has default_missing_vals");
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@ -1313,7 +1313,6 @@ impl<'help, 'app> Parser<'help, 'app> {
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false,
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);
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};
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self.inc_occurrence_of_arg(matcher, opt);
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if attached_value.is_some() {
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ParseResult::AttachedValueNotConsumed
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} else {
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@ -1333,6 +1332,7 @@ impl<'help, 'app> Parser<'help, 'app> {
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fv,
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fv.starts_with("=")
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);
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self.inc_occurrence_of_arg(matcher, opt);
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self.add_val_to_arg(
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opt,
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v,
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@ -1341,7 +1341,6 @@ impl<'help, 'app> Parser<'help, 'app> {
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false,
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trailing_values,
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);
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self.inc_occurrence_of_arg(matcher, opt);
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ParseResult::ValuesDone
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} else {
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debug!("Parser::parse_opt: More arg vals required...");
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@ -1470,8 +1469,8 @@ impl<'help, 'app> Parser<'help, 'app> {
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fn parse_flag(&self, flag: &Arg<'help>, matcher: &mut ArgMatcher) -> ParseResult {
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debug!("Parser::parse_flag");
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matcher.add_index_to(&flag.id, self.cur_idx.get(), ValueType::CommandLine);
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self.inc_occurrence_of_arg(matcher, flag);
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matcher.add_index_to(&flag.id, self.cur_idx.get(), ValueType::CommandLine);
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ParseResult::ValuesDone
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}
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