File Coverage

blib/lib/PerlIO/via/Pod.pm

Criterion	Covered	Total	%
statement	18	18	100.0
branch	16	16	100.0
condition			n/a
subroutine	4	4	100.0
pod	2	2	100.0
total	40	40	100.0

package PerlIO::via::Pod;

$VERSION= '0.07';

# be as struct as possible
use strict;

# satisfy -require-
1;

#-------------------------------------------------------------------------------
#
# Standard Perl features
#
#-------------------------------------------------------------------------------
#  IN: 1 class to bless with
#      2 mode string (ignored)
#      3 file handle of PerlIO layer below (ignored)
# OUT: 1 blessed object

sub PUSHED {

    # create the object with the right attributes
    return bless { inpod => 0 }, $_[0];
} #PUSHED

#-------------------------------------------------------------------------------
#  IN: 1 instantiated object
#      2 handle to read from
# OUT: 1 processed string (if any)

sub FILL {

    # process all lines
    local( $_ );
    while ( defined( $_= readline( $_[1] ) )) {

        # pod, but not the end of it
	if ( m#^=[a-zA-Z]# ) {
            return $_ if $_[0]->{inpod}= !m#^=cut#;
        }

        # still in pod
        elsif ($_[0]->{inpod}) {
            return $_;
        }
    }

    # we're done
    return undef;
} #FILL

#-------------------------------------------------------------------------------
#  IN: 1 instantiated object
#      2 buffer to be written
#      3 handle to write to
# OUT: 1 number of bytes written

sub WRITE {

    # all lines
    foreach ( split( m#(?<=$/)#, $_[1] ) ) {

        # not at end of pod
	if ( m#^=[a-zA-Z]# ) {
            if ($_[0]->{inpod} = !m#^=cut#) {
		    return -1 if !print { $_[2] } $_;
            }
        }

        # still in pod
        elsif ( $_[0]->{inpod} ) {
            return -1 if !print { $_[2] } $_;
        }
    }

    return length( $_[1] );
} #WRITE

#-------------------------------------------------------------------------------

__END__