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package WebPAC::Input::Excel; |
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|
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use warnings; |
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use strict; |
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|
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use WebPAC::Input; |
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use Spreadsheet::ParseExcel; |
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use Spreadsheet::ParseExcel::Utility qw/int2col/; |
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|
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=head1 NAME |
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|
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WebPAC::Input::Excel - support for Microsoft Excell and compatibile files |
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|
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=head1 VERSION |
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|
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Version 0.02 |
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|
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=cut |
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|
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our $VERSION = '0.02'; |
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|
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|
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=head1 SYNOPSIS |
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|
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Open Microsoft Excell, or compatibile format (for e.g. from OpenOffice.org |
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or Gnuemeric) in C<.xls> format. |
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|
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my $isis = new WebPAC::Input::Excel(); |
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$isis->open( path => '/path/to/workbook.xls' ); |
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|
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=head1 FUNCTIONS |
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|
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=head2 open_db |
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|
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Returns handle to database and size |
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|
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my ($db,$size) = $open_db( |
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path => '/path/to/workbook.xls' |
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worksheet => 'name of sheet', |
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from => 42, |
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to => 9999, |
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} |
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|
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C<worksheet> is case and white-space insensitive name of worksheet in Excel |
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file to use. If not specified, it will use first worksheet in file. |
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|
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C<from> and C<to> specify row numbers to start and finish import. |
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|
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=cut |
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|
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my $sheet; |
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my ($from,$to); |
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|
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sub open_db { |
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my $self = shift; |
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|
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my $arg = {@_}; |
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my $log = $self->_get_logger(); |
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|
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$log->logdie("can't open excel file $arg->{path}: $!") unless (-r $arg->{path} && -f $arg->{path}); |
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|
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my $workbook = Spreadsheet::ParseExcel::Workbook->Parse($arg->{path}); |
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|
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my ($size, $wanted_worksheet); |
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|
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if ($wanted_worksheet = $arg->{worksheet}) { |
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my $name; |
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do { |
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$sheet = shift @{ $workbook->{Worksheet} }; |
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$log->logdie("can't find sheet '$wanted_worksheet' in $arg->{path}\n") unless (defined($sheet)); |
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$name = $sheet->{Name}; |
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$name =~ s/\s\s+/ /g; |
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} until ($name =~ m/^\s*\Q$wanted_worksheet\E\s*$/i); |
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|
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} else { |
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|
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$sheet = shift @{ $workbook->{Worksheet} }; |
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|
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} |
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|
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$from = $arg->{from} || $sheet->{MinRow}; |
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$to = $arg->{to} || $sheet->{MaxRow}; |
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|
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$size = $to - $from; |
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|
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$log->warn("opening Excel file '$arg->{path}', using ", |
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$wanted_worksheet ? '' : 'first ', |
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"worksheet: $sheet->{Name} [$size rows]" |
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); |
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|
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return (42, $size); |
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} |
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|
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=head2 fetch_rec |
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Return record with ID C<$mfn> from database |
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|
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my $rec = $self->fetch_rec( $db, $mfn ); |
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|
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} |
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|
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=cut |
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|
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sub fetch_rec { |
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my $self = shift; |
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|
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my (undef, $mfn) = @_; |
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|
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my $log = $self->_get_logger(); |
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|
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$log->logdie("can't find sheet hash") unless (defined($sheet)); |
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$log->logdie("sheet hash isn't Spreadsheet::ParseExcel::Worksheet") unless ($sheet->isa('Spreadsheet::ParseExcel::Worksheet')); |
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|
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my $rec; |
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|
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my $row = $from + $mfn - 1; |
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$log->debug("fetch_rec( $mfn ) row: $row cols: ",$sheet->{MinCol}," - ",$sheet->{MaxCol}); |
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|
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foreach my $col ( $sheet->{MinCol} ... $sheet->{MaxCol} ) { |
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if (my $v = $sheet->{Cells}->[$row]->[$col]->{Val}) { |
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$rec->{ int2col($col) } = $v; |
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} |
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} |
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# add mfn only to records with data |
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$rec->{'000'} = [ $mfn ] if ($rec); |
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|
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return $rec; |
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} |
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|
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=head1 AUTHOR |
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|
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Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >> |
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=head1 COPYRIGHT & LICENSE |
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|
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Copyright 2005-2006 Dobrica Pavlinusic, All Rights Reserved. |
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This program is free software; you can redistribute it and/or modify it |
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under the same terms as Perl itself. |
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|
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=cut |
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|
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1; # End of WebPAC::Input::Excel |