Andrew Johnson
f29e995103
Record types cannot be duplicated however. DBD sub-objects now have a ->what method for their description. This also adds a method to look up a breaktable by name.
76 lines
1.9 KiB
Perl
76 lines
1.9 KiB
Perl
package DBD::Menu;
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use DBD::Base;
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@ISA = qw(DBD::Base);
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sub init {
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my ($this, $name) = @_;
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$this->SUPER::init($name, "menu");
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$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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unquote $value;
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foreach $pair ($this->choices) {
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dieContext("Duplicate menu choice name '$name'")
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if ($pair->[0] eq $name);
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dieContext("Duplicate menu choice string '$value'")
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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, $value) = @_;
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unquote $value;
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return exists $this->{CHOICE_INDEX}->{$value};
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}
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sub equals {
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my ($a, $b) = @_;
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return $a->SUPER::equals($b)
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&& join(',', map "$_->[0]:$_->[1]", @{$a->{CHOICE_LIST}})
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eq join(',', map "$_->[0]:$_->[1]", @{$b->{CHOICE_LIST}});
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}
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sub toDeclaration {
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my $this = shift;
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my $name = $this->name;
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my @choices = map {
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sprintf " %-31s /* %s */", @{$_}[0], escapeCcomment(@{$_}[1]);
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} $this->choices;
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return "typedef enum {\n" .
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join(",\n", @choices) .
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",\n ${name}_NUM_CHOICES\n" .
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"} $name;\n\n";
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}
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sub toDefinition {
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my $this = shift;
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my $name = $this->name;
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my @strings = map {
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"\t\"" . escapeCstring(@{$_}[1]) . "\""
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} $this->choices;
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return "static const char * const ${name}ChoiceStrings[] = {\n" .
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join(",\n", @strings) . "\n};\n" .
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"const dbMenu ${name}MenuMetaData = {\n" .
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"\t\"" . escapeCstring($name) . "\",\n" .
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"\t${name}_NUM_CHOICES,\n" .
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"\t${name}ChoiceStrings\n};\n\n";
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}
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1;
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