forked from github/kensanata.oddmuse
49 lines
1.7 KiB
Perl
49 lines
1.7 KiB
Perl
# Copyright (C) 2020 Alex Schroeder <alex@gnu.org>
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# Copyright (C) 2020 Daniel MacKay <daniel@bonmot.ca>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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use strict;
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use v5.10;
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AddModuleDescription('grep-filtered.pl', 'Grep Filtered');
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our ($PageDir);
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our ($UseGrep);
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$UseGrep = 1;
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*OldGrepFiltered = \&Filtered;
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*Filtered = \&NewGrepFiltered;
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sub NewGrepFiltered {
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my ($string, @pages) = @_;
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my @pages = OldGrepFiltered(@_);
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my $regexp = SearchRegexp($string);
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return @pages unless GetParam('grep', $UseGrep) and $regexp;
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my @result = grep(/$regexp/i, @pages); # search parameter for page titles
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my %found = map {$_ => 1} @result;
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$regexp =~ s/\\n(\)*)$/\$$1/g; # sometimes \n can be replaced with $
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$regexp =~ s/([?+{|()])/\\$1/g; # basic regular expressions from man grep
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# if we know of any remaining grep incompatibilities we should
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# return @pages here!
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$regexp = quotemeta($regexp);
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open(F, '-|:encoding(UTF-8)', "find $PageDir -type f -print0 | xargs -0 -n10 -P4 grep --ignore-case -l '$regexp'") ;
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while (<F>) {
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my ($pageName) = m/.*\/(.*)\.pg$/ ;
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push(@result, $pageName) if not $found{$pageName};
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} close(F);
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return sort @result;
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}
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