package TAP::Parser::Iterator;
use strict;
use vars qw($VERSION);
use TAP::Parser::Iterator::Array;
use TAP::Parser::Iterator::Stream;
use TAP::Parser::Iterator::Process;
=head1 NAME
TAP::Parser::Iterator - Internal TAP::Parser Iterator
=head1 VERSION
Version 2.99_01
=cut
$VERSION = '2.99_01';
=head1 SYNOPSIS
use TAP::Parser::Iterator;
my $it = TAP::Parser::Iterator->new(\*TEST);
my $it = TAP::Parser::Iterator->new(\@array);
my $line = $it->next;
Originally ripped off from L<Test::Harness>.
=head1 DESCRIPTION
B<FOR INTERNAL USE ONLY!>
This is a simple iterator wrapper for arrays and filehandles.
=head2 Class Methods
=head3 C<new>
my $iter = TAP::Parser::Iterator->new( $array_reference );
my $iter = TAP::Parser::Iterator->new( $filehandle );
Create an iterator.
=head2 Instance Methods
=head3 C<next>
while ( my $item = $iter->next ) { ... }
Iterate through it, of course.
=head3 C<next_raw>
while ( my $item = $iter->next_raw ) { ... }
Iterate raw input without applying any fixes for quirky input syntax.
=cut
sub new {
my ( $proto, $thing ) = @_;
my $ref = ref $thing;
if ( $ref eq 'GLOB' || $ref eq 'IO::Handle' ) {
return TAP::Parser::Iterator::Stream->new($thing);
}
elsif ( $ref eq 'ARRAY' ) {
return TAP::Parser::Iterator::Array->new($thing);
}
elsif ( $ref eq 'HASH' ) {
return TAP::Parser::Iterator::Process->new($thing);
}
else {
die "Can't iterate with a $ref";
}
}
sub next {
my $self = shift;
my $line = $self->next_raw;
# vms nit: When encountering 'not ok', vms often has the 'not' on a line
# by itself:
# not
# ok 1 - 'I hate VMS'
if ( defined $line && $line =~ /^\s*not\s*$/ ) {
$line .= ( $self->next_raw || '' );
}
return $line;
}
1;