package IkiWiki::Plugin::table; # by Victor Moral <victor@taquiones.net> use warnings; use strict; use Encode; use IkiWiki 2.00; sub import { #{{{ hook(type => "preprocess", id => "table", call => \&preprocess); } # }}} sub preprocess (@) { #{{{ my %params =( format => 'auto', header => 'yes', @_ ); if (exists $params{file}) { if (! $pagesources{$params{file}}) { return "[[table ".gettext("cannot find file")."]]"; } $params{data} = readfile(srcfile($params{file})); add_depends($params{page}, $params{file}); } if (lc $params{format} eq 'auto') { # first try the more simple format if (is_dsv_data($params{data})) { $params{format} = 'dsv'; } else { $params{format} = 'csv'; } } my @data; if (lc $params{format} eq 'csv') { @data=split_csv($params{data}, defined $params{delimiter} ? $params{delimiter} : ",",); # linkify after parsing since html link quoting can # confuse CSV parsing if (! exists $params{file}) { @data=map { [ map { IkiWiki::linkify($params{page}, $params{destpage}, $_); } @$_ ] } @data; } } elsif (lc $params{format} eq 'dsv') { # linkify before parsing since wikilinks can contain the # delimiter if (! exists $params{file}) { $params{data} = IkiWiki::linkify($params{page}, $params{destpage}, $params{data}); } @data=split_dsv($params{data}, defined $params{delimiter} ? $params{delimiter} : "|",); } else { return "[[table ".gettext("unknown data format")."]]"; } my $header; if (lc($params{header}) eq "yes") { $header=shift @data; } if (! @data) { return "[[table ".gettext("empty data")."]]"; } my @lines; push @lines, defined $params{class} ? "<table class=\"".$params{class}.'">' : '<table>'; push @lines, "\t<thead>", genrow($params{page}, $params{destpage}, "th", @$header), "\t</thead>" if defined $header; push @lines, "\t<tbody>" if defined $header; push @lines, genrow($params{page}, $params{destpage}, "td", @$_) foreach @data; push @lines, "\t</tbody>" if defined $header; push @lines, '</table>'; my $html = join("\n", @lines); if (exists $params{file}) { return $html."\n\n". htmllink($params{page}, $params{destpage}, $params{file}, linktext => gettext('Direct data download')); } else { return $html; } } #}}} sub is_dsv_data ($) { #{{{ my $text = shift; my ($line) = split(/\n/, $text); return $line =~ m{.+\|}; } sub split_csv ($$) { #{{{ my @text_lines = split(/\n/, shift); my $delimiter = shift; eval q{use Text::CSV}; error($@) if $@; my $csv = Text::CSV->new({ sep_char => $delimiter, binary => 1, allow_loose_quotes => 1, }) || error("could not create a Text::CSV object"); my $l=0; my @data; foreach my $line (@text_lines) { $l++; if ($csv->parse($line)) { push(@data, [ map { decode_utf8 $_ } $csv->fields() ]); } else { debug(sprintf(gettext('parse fail at line %d: %s'), $l, $csv->error_input())); } } return @data; } #}}} sub split_dsv ($$) { #{{{ my @text_lines = split(/\n/, shift); my $delimiter = shift; $delimiter="|" unless defined $delimiter; my @data; foreach my $line (@text_lines) { push @data, [ split(/\Q$delimiter\E/, $line, -1) ]; } return @data; } #}}} sub genrow ($$$@) { #{{{ my $page = shift; my $destpage = shift; my $elt = shift; my @data = @_; my @ret; push @ret, "\t\t<tr>"; for (my $x=0; $x < @data; $x++) { my $cell=htmlize($page, $destpage, $data[$x]); my $colspan=1; while ($x+1 < @data && $data[$x+1] eq '') { $x++; $colspan++; } if ($colspan > 1) { push @ret, "\t\t\t<$elt colspan=\"$colspan\">$cell</$elt>" } else { push @ret, "\t\t\t<$elt>$cell</$elt>" } } push @ret, "\t\t</tr>"; return @ret; } #}}} sub htmlize ($$$) { #{{{ my $page = shift; my $destpage = shift; return IkiWiki::htmlize($page, pagetype($pagesources{$page}), IkiWiki::preprocess($page, $destpage, shift)); } 1