Andrew Johnson
41 lines
913 B
Perl
41 lines
913 B
Perl
package DBD::Menu;
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use DBD::Util;
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@ISA = qw(DBD::Util);
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sub init {
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my ($this, $name) = @_;
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$this->SUPER::init($name, "menu name");
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$this->{CHOICE_LIST} = [];
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$this->{CHOICE_INDEX} = {};
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return $this;
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}
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sub add_choice {
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my ($this, $name, $value) = @_;
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$name = identifier($name, "Choice name");
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$value = unquote($value, "Choice value");
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foreach $pair ($this->choices) {
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dieContext("Duplicate choice name") if ($pair->[0] eq $name);
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dieContext("Duplicate choice string") if ($pair->[1] eq $value);
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}
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push @{$this->{CHOICE_LIST}}, [$name, $value];
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$this->{CHOICE_INDEX}->{$value} = $name;
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}
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sub choices {
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return @{shift->{CHOICE_LIST}};
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}
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sub choice {
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my ($this, $idx) = @_;
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return $this->{CHOICE_LIST}[$idx];
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}
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sub legal_choice {
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my $this = shift;
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my $value = unquote(shift);
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return exists $this->{CHOICE_INDEX}->{$value};
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}
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1;
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