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package Spreadsheet::Template::Generator::Parser::XLSX;
use Moose;
use POSIX;
use Spreadsheet::XLSX;
use XML::Entities;
use XML::Twig;
with 'Spreadsheet::Template::Generator::Parser::Excel';
sub _build_excel {
my $self = shift;
my $excel = Spreadsheet::XLSX->new($self->filename);
$self->_fixup_excel($excel);
return $excel;
}
# XXX Spreadsheet::XLSX doesn't extract this information currently
sub _fixup_excel {
my $self = shift;
my ($excel) = @_;
my $book_xml = $self->_parse_xml("xl/workbook.xml");
$self->_parse_selected_sheet($excel, $book_xml);
for my $sheet ($excel->worksheets) {
my $sheet_xml = $self->_parse_xml("xl/$sheet->{path}");
$self->_parse_cell_sizes($sheet, $sheet_xml);
$self->_parse_formulas($sheet, $sheet_xml);
$self->_parse_sheet_selection($sheet, $sheet_xml);
}
}
sub _parse_selected_sheet {
my $self = shift;
my ($excel, $root) = @_;
my ($node) = $root->find_nodes('//workbookView');
my $selected = $node->att('activeTab');
$excel->{SelectedSheet} = defined($selected) ? 0+$selected : 0;
}
sub _parse_cell_sizes {
my $self = shift;
my ($sheet, $root) = @_;
my @column_widths;
my @row_heights;
my ($format) = $root->find_nodes('//sheetFormatPr');
my $default_row_height = $format->att('defaultRowHeight');
my $default_column_width = $format->att('baseColWidth');
for my $col ($root->find_nodes('//col')) {
$column_widths[$col->att('min') - 1] = $col->att('width');
}
for my $row ($root->find_nodes('//row')) {
$row_heights[$row->att('r') - 1] = $row->att('ht');
}
$sheet->{DefRowHeight} = 0+$default_row_height;
$sheet->{DefColWidth} = 0+$default_column_width;
$sheet->{RowHeight} = [
map { defined $_ ? 0+$_ : 0+$default_row_height } @row_heights
];
$sheet->{ColWidth} = [
map { defined $_ ? 0+$_ : 0+$default_column_width } @column_widths
];
}
sub _parse_formulas {
my $self = shift;
my ($sheet, $root) = @_;
for my $formula ($root->find_nodes('//f')) {
my $cell_id = $formula->parent->att('r');
my ($row, $col) = $self->_cell_to_row_col($cell_id);
my $cell = $sheet->get_cell($row, $col);
$cell->{Formula} = "=" . $formula->text;
}
}
sub _parse_sheet_selection {
my $self = shift;
my ($sheet, $root) = @_;
my ($selection) = $root->find_nodes('//selection');
my $cell = $selection->att('activeCell');
$sheet->{Selection} = [ $self->_cell_to_row_col($cell) ];
}
sub _parse_xml {
my $self = shift;
my ($subfile) = @_;
my $filename = $self->filename;
my $zip = Archive::Zip->new;
die "Can't open $filename as zip file"
unless $zip->read($filename) == Archive::Zip::AZ_OK;
my $contents = $zip->memberNamed($subfile)->contents;
next unless $contents;
my $xml = XML::Twig->new;
$xml->parse($contents);
return $xml->root;
}
sub _cell_to_row_col {
my $self = shift;
my ($cell) = @_;
my ($col, $row) = $cell =~ /([A-Z]+)([0-9]+)/;
$col =~ tr/A-Z/0-9A-P/;
$col = POSIX::strtol($col, 26);
$row = $row - 1;
return ($row, $col);
}
# XXX this stuff all feels like working around bugs in Spreadsheet::XLSX -
# maybe look into that at some point
sub _filter_cell_contents {
my $self = shift;
my ($contents, $type) = @_;
$contents = XML::Entities::decode('all', $contents);
if ($type eq 'number') {
$contents = 0+$contents;
}
return $contents;
}
__PACKAGE__->meta->make_immutable;
no Moose;
1;
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