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package Perinci::Sub::Util::Args; |
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our $DATE = '2020-10-20'; # DATE |
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our $VERSION = '0.470'; # VERSION |
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56275
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use 5.010001; |
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use strict 'subs', 'vars'; |
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use warnings; |
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use Exporter qw(import); |
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747
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our @EXPORT_OK = qw( |
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args_by_tag |
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argnames_by_tag |
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func_args_by_tag |
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func_argnames_by_tag |
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call_with_its_args |
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); |
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sub args_by_tag { |
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my ($meta, $args, $tag) = @_; |
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my @res; |
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my $args_prop = $meta->{args} or return (); |
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my $neg = $tag =~ s/\A!//; |
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for my $argname (keys %$args_prop) { |
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my $argspec = $args_prop->{$argname}; |
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if ($neg) { |
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next unless !$argspec->{tags} || |
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!(grep {$_ eq $tag} @{$argspec->{tags}}); |
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} else { |
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next unless $argspec->{tags} && |
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grep {$_ eq $tag} @{$argspec->{tags}}; |
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} |
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push @res, $argname, $args->{$argname} |
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if exists $args->{$argname}; |
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} |
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@res; |
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} |
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sub argnames_by_tag { |
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my ($meta, $tag) = @_; |
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my @res; |
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my $args_prop = $meta->{args} or return (); |
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my $neg; $neg = 1 if $tag =~ s/\A!//; |
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for my $argname (keys %$args_prop) { |
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my $argspec = $args_prop->{$argname}; |
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if ($neg) { |
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next unless !$argspec->{tags} || |
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!(grep {$_ eq $tag} @{$argspec->{tags}}); |
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} else { |
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next unless $argspec->{tags} && |
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grep {$_ eq $tag} @{$argspec->{tags}}; |
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} |
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push @res, $argname; |
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} |
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sort @res; |
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} |
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sub _find_meta { |
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my $caller = shift; |
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my $func_name = shift; |
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if ($func_name =~ /(.+)::(.+)/) { |
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return ${"$1::SPEC"}{$2}; |
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} else { |
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return ${"$caller->[0]::SPEC"}{$func_name}; |
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} |
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} |
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sub func_args_by_tag { |
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my ($func_name, $args, $tag) = @_; |
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my $meta = _find_meta([caller(1)], $func_name) |
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or die "Can't find Rinci function metadata for $func_name"; |
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args_by_tag($meta, $args, $tag); |
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} |
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sub func_argnames_by_tag { |
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my ($func_name, $tag) = @_; |
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my $meta = _find_meta([caller(1)], $func_name) |
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or die "Can't find Rinci function metadata for $func_name"; |
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argnames_by_tag($meta, $tag); |
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} |
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sub call_with_its_args { |
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my ($func_name, $args) = @_; |
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my ($meta, $func); |
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if ($func_name =~ /(.+)::(.+)/) { |
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defined &{$func_name} |
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or die "Function $func_name not defined"; |
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$func = \&{$func_name}; |
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$meta = ${"$1::SPEC"}{$2}; |
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} else { |
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0
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my @caller = caller(1); |
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0
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my $fullname = "$caller[0]::$func_name"; |
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defined &{$fullname} |
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or die "Function $fullname not defined"; |
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$func = \&{$fullname}; |
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$meta = ${"$caller[0]::SPEC"}{$func_name}; |
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} |
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$meta or die "Can't find Rinci function metadata for $func_name"; |
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my @args; |
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if ($meta->{args}) { |
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for my $argname (keys %{ $meta->{args} }) { |
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push @args, $argname, $args->{$argname} |
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if exists $args->{$argname}; |
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} |
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} |
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$func->(@args); |
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} |
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1; |
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# ABSTRACT: Utility routines related to Rinci arguments |
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__END__ |