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bulk-processor/lib/Excel/Reader/XLSX/Worksheet.pm

200 lines
3.9 KiB

package Excel::Reader::XLSX::Worksheet;
###############################################################################
#
# Worksheet - A class for reading the Excel XLSX sheet.xml file.
#
# Used in conjunction with Excel::Reader::XLSX
#
# Copyright 2012, John McNamara, jmcnamara@cpan.org
#
# Documentation after __END__
#
# perltidy with the following options: -mbl=2 -pt=0 -nola
use 5.008002;
use strict;
use warnings;
## no critic
use Carp;
use Excel::Reader::XLSX::Package::XMLreader;
use Excel::Reader::XLSX::Row;
our @ISA = qw(Excel::Reader::XLSX::Package::XMLreader);
our $VERSION = '0.00';
###############################################################################
#
# Public and private API methods.
#
###############################################################################
###############################################################################
#
# new()
#
# Constructor.
#
sub new {
my $class = shift;
my $self = Excel::Reader::XLSX::Package::XMLreader->new();
$self->{_shared_strings} = shift;
$self->{_name} = shift;
$self->{_index} = shift;
$self->{_previous_row_number} = -1;
bless $self, $class;
return $self;
}
###############################################################################
#
# _init_row()
#
# TODO.
#
sub _init_row {
my $self = shift;
# Store reusable Cell object to avoid repeated calls to Cell::new().
$self->{_cell} = Excel::Reader::XLSX::Cell->new( $self->{_shared_strings} );
# Store reusable Row object to avoid repeated calls to Row::new().
$self->{_row} = Excel::Reader::XLSX::Row->new(
$self->{_reader},
$self->{_shared_strings},
$self->{_cell},
);
$self->{_row_initialised} = 1;
}
###############################################################################
#
# next_row()
#
# Read the next available row in the worksheet.
#
sub next_row {
my $self = shift;
my $row = undef;
# Read the next "row" element in the file.
return unless $self->{_reader}->nextElement( 'row' );
# Read the row attributes.
my $row_reader = $self->{_reader};
my $row_number = $row_reader->getAttribute( 'r' );
# Zero index the row number.
if ( defined $row_number ) {
$row_number--;
}
else {
# If no 'r' attribute assume it is one more than the previous.
$row_number = $self->{_previous_row_number} + 1;
}
if ( !$self->{_row_initialised} ) {
$self->_init_row();
}
$row = $self->{_row};
$row->_init( $row_number, $self->{_previous_row_number}, );
$self->{_previous_row_number} = $row_number;
return $row;
}
###############################################################################
#
# name()
#
# Return the worksheet name.
#
sub name {
my $self = shift;
return $self->{_name};
}
###############################################################################
#
# index()
#
# Return the worksheet index.
#
sub index {
my $self = shift;
return $self->{_index};
}
###############################################################################
#
# Internal methods.
#
###############################################################################
1;
__END__
=pod
=head1 NAME
Worksheet - A class for reading the Excel XLSX sheet.xml file.
=head1 SYNOPSIS
See the documentation for L<Excel::Reader::XLSX>.
=head1 DESCRIPTION
This module is used in conjunction with L<Excel::Reader::XLSX>.
=head1 AUTHOR
John McNamara jmcnamara@cpan.org
=head1 COPYRIGHT
Copyright MMXII, John McNamara.
All Rights Reserved. This module is free software. It may be used, redistributed and/or modified under the same terms as Perl itself.
=head1 LICENSE
Either the Perl Artistic Licence L<http://dev.perl.org/licenses/artistic.html> or the GPL L<http://www.opensource.org/licenses/gpl-license.php>.
=head1 DISCLAIMER OF WARRANTY
See the documentation for L<Excel::Reader::XLSX>.
=cut