62 lines
1.4 KiB
Perl
62 lines
1.4 KiB
Perl
package Compare;
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use strict;
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use Carp;
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use BinComp;
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use CabComp;
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use MsiComp;
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use InfComp;
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sub new {
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my $class = shift;
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my $self = bless {}, $class;
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$self->_init;
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return $self;
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}
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sub _init {
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my $self = shift;
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$self->AddHandler( qr/\.(msi|msm)$/i, new MsiComp );
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$self->AddHandler( qr/\.cab$/i, new CabComp );
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$self->AddHandler( qr/\.(inf|sif)$/i, new InfComp );
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$self->AddHandler( qr//, new BinComp );
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}
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sub AddHandler {
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my $self = shift;
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my $regex = shift;
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my $comparator = shift;
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push @{$self->{HANDLERS}}, [$regex, $comparator];
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}
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sub Compare {
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my $self = shift;
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my ($src, $dst, $file) = @_;
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# try each handler in registered order, use the first one that matches
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for my $handler (@{$self->{HANDLERS}}) {
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if ($file =~ /$handler->[0]/) {
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$self->{LAST} = $handler->[1];
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return $handler->[1]->compare("$src\\$file", "$dst\\$file");
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}
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}
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# fall through and return undef if not handler is found
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return;
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}
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# pass through to the last used object
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sub GetLastError {
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my $self = shift;
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if (!defined $self->{LAST}) { return }
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return $self->{LAST}->GetLastError;
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}
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sub GetLastDiff {
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my $self = shift;
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if (!defined $self->{LAST}) { return }
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return $self->{LAST}->GetLastDiff;
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}
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1; |