3 # Copyright (C) 2007-2009 Martin A. Hansen.
5 # This program is free software; you can redistribute it and/or
6 # modify it under the terms of the GNU General Public License
7 # as published by the Free Software Foundation; either version 2
8 # of the License, or (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; if not, write to the Free Software
17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 # http://www.gnu.org/copyleft/gpl.html
22 # >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> DESCRIPTION <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
24 # Grab records in stream.
26 # >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
32 use Maasha::Biopieces;
37 # >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
40 my ( $options, $in, $out, $record, $keys, $vals_only, $keys_only, $invert,
41 $patterns, $regex, %lookup_hash, $key, $op, $val, $found );
43 $options = Maasha::Biopieces::parse_options(
45 { long => 'patterns', short => 'p', type => 'list', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
46 { long => 'patterns_in', short => 'P', type => 'file!', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
47 { long => 'regex', short => 'r', type => 'string', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
48 { long => 'eval', short => 'e', type => 'string', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
49 { long => 'exact_in', short => 'E', type => 'file!', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
50 { long => 'invert', short => 'i', type => 'flag', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
51 { long => 'case_insensitive', short => 'c', type => 'flag', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
52 { long => 'keys', short => 'k', type => 'list', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
53 { long => 'keys_only', short => 'K', type => 'flag', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
54 { long => 'vals_only', short => 'V', type => 'flag', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
58 $in = Maasha::Biopieces::read_stream( $options->{ "stream_in" } );
59 $out = Maasha::Biopieces::write_stream( $options->{ "stream_out" } );
61 $keys = $options->{ 'keys' };
62 $vals_only = $options->{ 'vals_only' };
63 $keys_only = $options->{ 'keys_only' };
64 $invert = $options->{ 'invert' };
66 if ( $options->{ 'patterns' } )
68 $patterns = $options->{ 'patterns' };
70 elsif ( defined $options->{ 'patterns_in' } and -f $options->{ 'patterns_in' } )
72 $patterns = Maasha::Patscan::read_patterns( $options->{ 'patterns_in' } );
74 elsif ( $options->{ 'regex' } )
76 if ( $options->{ 'case_insensitive' } ) {
77 $regex = qr/$options->{ 'regex' }/i;
79 $regex = qr/$options->{ 'regex' }/;
82 elsif ( defined $options->{ 'exact_in' } and -f $options->{ 'exact_in' } )
84 $patterns = Maasha::Patscan::read_patterns( $options->{ 'exact_in' } );
86 map { $lookup_hash{ $_ } = 1 } @{ $patterns };
90 elsif ( $options->{ 'eval' } )
92 if ( $options->{ 'eval' } =~ /^([^><=! ]+)\s*(>=|<=|>|<|==|=|!=|eq|ne)\s*(.+)$/ )
100 Maasha::Common::error( qq(Bad eval string: $options->{ 'eval' }) );
104 while ( $record = Maasha::Biopieces::get_record( $in ) )
108 if ( %lookup_hash ) {
109 $found = grab_lookup( \%lookup_hash, $record, $keys, $vals_only, $keys_only );
110 } elsif ( $patterns ) {
111 $found = grab_patterns( $patterns, $record, $keys, $vals_only, $keys_only );
113 $found = grab_regex( $regex, $record, $keys, $vals_only, $keys_only );
115 $found = grab_eval( $key, $op, $val, $record );
118 if ( $found and not $invert ) {
119 Maasha::Biopieces::put_record( $record, $out );
120 } elsif ( not $found and $invert ) {
121 Maasha::Biopieces::put_record( $record, $out );
125 Maasha::Biopieces::close_stream( $in );
126 Maasha::Biopieces::close_stream( $out );
129 # >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> SUBROUTINES <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
134 # Martin A. Hansen, November 2009.
136 # Uses keys from a lookup hash to search records. Optionally, a list of
137 # keys can be given so the lookup is limited to these, also, flags
138 # can be given to limit lookup to keys or vals only. Returns 1 if lookup
141 my ( $lookup_hash, # hashref with patterns
143 $keys, # list of keys - OPTIONAL
144 $vals_only, # only vals flag - OPTIONAL
145 $keys_only, # only keys flag - OPTIONAL
152 map { return 1 if exists $lookup_hash->{ $record->{ $_ } } } @{ $keys };
156 if ( not $vals_only ) {
157 map { return 1 if exists $lookup_hash->{ $_ } } keys %{ $record };
160 if ( not $keys_only ) {
161 map { return 1 if exists $lookup_hash->{ $record->{ $_ } } } keys %{ $record };
171 # Martin A. Hansen, November 2009.
173 # Uses patterns to match records containing the pattern as a substring.
174 # Returns 1 if the record is matched, else 0.
176 my ( $patterns, # list of patterns
178 $keys, # list of keys - OPTIONAL
179 $vals_only, # only vals flag - OPTIONAL
180 $keys_only, # only keys flag - OPTIONAL
185 my ( $pattern, $key );
187 foreach $pattern ( @{ $patterns } )
191 foreach $key ( @{ $keys } )
193 return 0 if not exists $record->{ $key };
194 return 1 if index( $record->{ $key }, $pattern ) >= 0;
199 if ( not $vals_only ) {
200 map { return 1 if index( $_, $pattern ) >= 0 } keys %{ $record };
203 if ( not $keys_only ) {
204 map { return 1 if index( $record->{ $_ }, $pattern ) >= 0 } keys %{ $record };
215 # Martin A. Hansen, November 2009.
217 # Uses regex to match records.
218 # Returns 1 if the record is matched, else 0.
220 my ( $regex, # regex to match
222 $keys, # list of keys - OPTIONAL
223 $vals_only, # only vals flag - OPTIONAL
224 $keys_only, # only keys flag - OPTIONAL
231 map { return 1 if exists $record->{ $_ } and $record->{ $_ } =~ /$regex/ } @{ $keys };
235 if ( not $vals_only ) {
236 map { return 1 if $_ =~ /$regex/ } keys %{ $record };
239 if ( not $keys_only ) {
240 map { return 1 if $record->{ $_ } =~ /$regex/ } keys %{ $record };
250 # Martin A. Hansen, November 2009.
252 # Test if the value of a given record key evaluates according
253 # to a given operator. Returns 1 if eval is OK, else 0.
255 my ( $key, # record key
263 if ( defined $record->{ $key } )
265 return 1 if ( $op eq "<" and $record->{ $key } < $val );
266 return 1 if ( $op eq ">" and $record->{ $key } > $val );
267 return 1 if ( $op eq ">=" and $record->{ $key } >= $val );
268 return 1 if ( $op eq "<=" and $record->{ $key } <= $val );
269 return 1 if ( $op eq "=" and $record->{ $key } == $val );
270 return 1 if ( $op eq "==" and $record->{ $key } == $val );
271 return 1 if ( $op eq "!=" and $record->{ $key } != $val );
272 return 1 if ( $op eq "eq" and $record->{ $key } eq $val );
273 return 1 if ( $op eq "ne" and $record->{ $key } ne $val );
280 # >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
285 Maasha::Biopieces::status_set();
291 Maasha::Biopieces::status_log();
295 # >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<