| Revision: | 1.3 |
| Committed: | Wed Nov 15 10:08:27 2000 UTC (24 years, 6 months ago) by williamc |
| Content type: | text/plain |
| Branch: | MAIN |
| CVS Tags: | V1_0_1, V1_0_0, V1_pre0, SCRAM_V1, SCRAMV1_IMPORT, 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_3, V0_18_2, V0_18_1 |
| Branch point for: | V1_pre1, SCRAM_V1_BRANCH, V0_19_4_B |
| Changes since 1.2: | +1 -1 lines |
| Log Message: | Import from V0_18_0 |
| # | User | Rev | Content |
|---|---|---|---|
| 1 | williamc | 1.2 | # |
| 2 | # SearchIterator.pm | ||
| 3 | # | ||
| 4 | # Originally Written by Christopher Williams | ||
| 5 | # | ||
| 6 | # Description | ||
| 7 | # | ||
| 8 | # Interface | ||
| 9 | # --------- | ||
| 10 | williamc | 1.3 | # new(searcher) : A new SearchIterator object |
| 11 | williamc | 1.2 | # reset() : reset the iteractor |
| 12 | # next() : return the next index value | ||
| 13 | # last() : Have we reached the end? 1=Yes 0=No | ||
| 14 | |||
| 15 | package Scram::SearchIterator; | ||
| 16 | require 5.004; | ||
| 17 | |||
| 18 | sub new { | ||
| 19 | my $class=shift; | ||
| 20 | $self={}; | ||
| 21 | bless $self, $class; | ||
| 22 | $self->{searcher}=shift; | ||
| 23 | $self->reset(); | ||
| 24 | return $self; | ||
| 25 | } | ||
| 26 | |||
| 27 | sub reset { | ||
| 28 | my $self=shift; | ||
| 29 | $self->{index}=0; | ||
| 30 | } | ||
| 31 | |||
| 32 | sub next { | ||
| 33 | my $self=shift; | ||
| 34 | $self->{index}++; | ||
| 35 | return ($self->{searcher}->get($self->{index})); | ||
| 36 | } | ||
| 37 | |||
| 38 | sub last { | ||
| 39 | my $self=shift; | ||
| 40 | my $rv=0; | ||
| 41 | $rv=1, if ($self->{index} >= $self->{searcher}->levels()); | ||
| 42 | return $rv; | ||
| 43 | } |