| Revision: | 1.2 |
| Committed: | Sat Oct 14 16:08:16 2000 UTC (24 years, 6 months ago) by williamc |
| Content type: | text/plain |
| Branch: | MAIN |
| CVS Tags: | V0_19_7, V0_19_6, V0_19_6p1, V0_19_5, SFATEST, V0_19_4, V0_19_4_pre3, V0_19_4_pre2, V0_19_4_pre1, V0_19_3, V0_19_2, V0_19_1, V0_19_0, V0_18_5, V0_18_4, V_18_3_TEST, VO_18_3, V0_18_2, V0_18_1 |
| Branch point for: | SCRAM_V1_BRANCH, V0_19_4_B, V0_16branch |
| Changes since 1.1: | +21 -0 lines |
| Log Message: | fully testted block |
| # | Content |
|---|---|
| 1 | # |
| 2 | # Block.pm |
| 3 | # |
| 4 | # Originally Written by Christopher Williams |
| 5 | # |
| 6 | # Description |
| 7 | # |
| 8 | # Interface |
| 9 | # --------- |
| 10 | # new(namestring) : A new Block object |
| 11 | # parent([Block]) : Set/get the parent - no parent = undef |
| 12 | # getobj(id) : get object associated with key - returns the nearest |
| 13 | # match going up the block tree |
| 14 | # setobj(oref,id) : hold an object reference with a key |
| 15 | # objectids() : return a list of all object ids |
| 16 | |
| 17 | |
| 18 | package BuildSystem::Block; |
| 19 | require 5.004; |
| 20 | |
| 21 | sub new { |
| 22 | my $class=shift; |
| 23 | my $self={}; |
| 24 | bless $self, $class; |
| 25 | $self->{objects}={}; |
| 26 | return $self; |
| 27 | } |
| 28 | |
| 29 | sub setobj { |
| 30 | my $self=shift; |
| 31 | my $oref=shift; |
| 32 | my $key=shift; |
| 33 | |
| 34 | $self->{objects}{$key}=$oref; |
| 35 | } |
| 36 | |
| 37 | sub getobj { |
| 38 | my $self=shift; |
| 39 | my $key=shift; |
| 40 | |
| 41 | my $oref=undef; |
| 42 | if ( ! exists $self->{objects}{$key} ) { |
| 43 | if ( defined $self->{parent} ) { |
| 44 | $oref=$self->{parent}->getobj($key); |
| 45 | } |
| 46 | } |
| 47 | else { |
| 48 | $oref=$self->{objects}{$key}; |
| 49 | } |
| 50 | return $oref; |
| 51 | } |
| 52 | |
| 53 | sub objectids { |
| 54 | my $self=shift; |
| 55 | |
| 56 | # -- get all local objs |
| 57 | my @objs=(keys %{$self->{objects}}); |
| 58 | |
| 59 | if ( defined $self->{parent} ) { |
| 60 | # -- add any objects from parent not found locally |
| 61 | foreach $obj ( $self->{parent}->objectids() ) { |
| 62 | my @tmp=grep ({ $_ eq $obj } @objs); |
| 63 | if ( $#tmp < 0 ) { |
| 64 | push @objs, $obj; |
| 65 | } |
| 66 | } |
| 67 | } |
| 68 | return @objs; |
| 69 | } |
| 70 | |
| 71 | sub parent { |
| 72 | my $self=shift; |
| 73 | if ( @_ ) { |
| 74 | $self->{parent}=shift; |
| 75 | } |
| 76 | return (defined $self->{parent})?$self->{parent}:undef; |
| 77 | } |