1 |
package WebPac; |
package WebPAC; |
2 |
|
|
3 |
use Carp; |
use Carp; |
4 |
|
use Text::Iconv; |
5 |
|
use Config::IniFiles; |
6 |
|
|
7 |
=head1 NAME |
=head1 NAME |
8 |
|
|
9 |
WebPac - base class for WebPac |
WebPAC - base class for WebPAC |
10 |
|
|
11 |
=head1 DESCRIPTION |
=head1 DESCRIPTION |
12 |
|
|
13 |
This class does basic thing for WebPac. |
This module implements methods used by WebPAC. |
14 |
|
|
15 |
=head1 METHODS |
=head1 METHODS |
16 |
|
|
17 |
=head2 new |
=head2 new |
18 |
|
|
19 |
This will create new instance of WebPac using configuration specified by C<config_file>. |
This will create new instance of WebPAC using configuration specified by C<config_file>. |
20 |
|
|
21 |
my $webpac = new WebPac( |
my $webpac = new WebPAC( |
22 |
config_file => 'name.conf', |
config_file => 'name.conf', |
23 |
[code_page => 'ISO-8859-2',] |
[code_page => 'ISO-8859-2',] |
24 |
); |
); |
25 |
|
|
26 |
Default C<code_page> is C<ISO-8859-2>. |
Default C<code_page> is C<ISO-8859-2>. |
27 |
|
|
28 |
|
It will also read configuration files |
29 |
|
C<global.conf> (used by indexer and Web font-end) |
30 |
|
and configuration file specified by C<config_file> |
31 |
|
which describes databases to be indexed. |
32 |
|
|
33 |
=cut |
=cut |
34 |
|
|
35 |
sub new { |
sub new { |
41 |
# output codepage |
# output codepage |
42 |
$self->{'code_page'} = 'ISO-8859-2' if (! $self->{'code_page'}); |
$self->{'code_page'} = 'ISO-8859-2' if (! $self->{'code_page'}); |
43 |
|
|
44 |
return $self; |
# |
45 |
} |
# read global.conf |
46 |
|
# |
|
=head2 read_global_config |
|
|
|
|
|
Read global configuration (used by indexer and Web font-end) |
|
|
|
|
|
=cut |
|
|
|
|
|
sub read_global_config { |
|
|
my $self = shift; |
|
47 |
|
|
48 |
$self->{global_config_file} = new Config::IniFiles( -file => 'global.conf' ) || croak "can't open 'global.conf'"; |
$self->{global_config_file} = new Config::IniFiles( -file => 'global.conf' ) || croak "can't open 'global.conf'"; |
49 |
|
|
59 |
$self->{global_config}->{$var} = $self->{global_config_file}->val('global', $var); |
$self->{global_config}->{$var} = $self->{global_config_file}->val('global', $var); |
60 |
} |
} |
61 |
|
|
62 |
return $self; |
# |
63 |
} |
# read indexer config file |
64 |
|
# |
|
=head2 read_indexer_config |
|
|
|
|
|
Read indexer configuration (specify databases, types etc.) |
|
|
|
|
|
=cut |
|
|
|
|
|
sub read_indexer_config { |
|
|
my $self = shift; |
|
65 |
|
|
66 |
$self->{indexer_config_file} = new Config::IniFiles( -file => $self->{config_file} ) || croak "can't open '$self->{config_file}'"; |
$self->{indexer_config_file} = new Config::IniFiles( -file => $self->{config_file} ) || croak "can't open '$self->{config_file}'"; |
67 |
|
|
93 |
|
|
94 |
By default, ISIS code page is assumed to be C<852>. |
By default, ISIS code page is assumed to be C<852>. |
95 |
|
|
96 |
If C<limit_mfn> is set, it will read just 500 records from |
If optional parametar C<limit_mfn> is set, it will read just 500 records |
97 |
database in example above. |
from database in example above. |
98 |
|
|
99 |
Returns number of last record read into memory (size of database, really). |
Returns number of last record read into memory (size of database, really). |
100 |
|
|
118 |
croak "need filename" if (! $arg->{'filename'}); |
croak "need filename" if (! $arg->{'filename'}); |
119 |
my $code_page = $arg->{'code_page'} || '852'; |
my $code_page = $arg->{'code_page'} || '852'; |
120 |
|
|
121 |
|
use OpenIsis; |
122 |
|
|
123 |
#$self->{'isis_code_page'} = $code_page; |
#$self->{'isis_code_page'} = $code_page; |
124 |
|
|
125 |
# create Text::Iconv object |
# create Text::Iconv object |
156 |
} |
} |
157 |
|
|
158 |
# create lookup |
# create lookup |
159 |
|
my $rec = $self->{'data'}->{$mfn}; |
160 |
|
$self->create_lookup($rec, @{$arg->{'lookup'}}); |
161 |
|
|
|
foreach my $i (@{$arg->{lookup}}) { |
|
|
my $rec = $self->{'data'}->{$mfn}; |
|
|
if ($i->{'eval'}) { |
|
|
my $eval = $self->fill_in($rec,$i->{'eval'}); |
|
|
my $key = $self->fill_in($rec,$i->{'key'}); |
|
|
my @val = $self->fill_in($rec,$i->{'val'}); |
|
|
if ($key && @val && eval $eval) { |
|
|
push @{$self->{'lookup'}->{$key}}, @val; |
|
|
} |
|
|
} else { |
|
|
my $key = $self->fill_in($rec,$i->{'key'}); |
|
|
my @val = $self->fill_in($rec,$i->{'val'}); |
|
|
if ($key && @val) { |
|
|
push @{$self->{'lookup'}->{$key}}, @val; |
|
|
} |
|
|
} |
|
|
} |
|
162 |
} |
} |
163 |
|
|
164 |
# store max mfn and return it. |
# store max mfn and return it. |
165 |
return $self->{'max_mfn'} = $maxmfn; |
return $self->{'max_mfn'} = $maxmfn; |
166 |
} |
} |
167 |
|
|
168 |
|
=head2 create_lookup |
169 |
|
|
170 |
|
Create lookup from record using lookup definition. |
171 |
|
|
172 |
|
=cut |
173 |
|
|
174 |
|
sub create_lookup { |
175 |
|
my $self = shift; |
176 |
|
|
177 |
|
my $rec = shift || confess "need record to create lookup"; |
178 |
|
confess("need HASH as first argument!") if ($rec !~ /HASH/o); |
179 |
|
|
180 |
|
foreach my $i (@_) { |
181 |
|
if ($i->{'eval'}) { |
182 |
|
my $eval = $self->fill_in($rec,$i->{'eval'}); |
183 |
|
my $key = $self->fill_in($rec,$i->{'key'}); |
184 |
|
my @val = $self->fill_in($rec,$i->{'val'}); |
185 |
|
if ($key && @val && eval $eval) { |
186 |
|
push @{$self->{'lookup'}->{$key}}, @val; |
187 |
|
} |
188 |
|
} else { |
189 |
|
my $key = $self->fill_in($rec,$i->{'key'}); |
190 |
|
my @val = $self->fill_in($rec,$i->{'val'}); |
191 |
|
if ($key && @val) { |
192 |
|
push @{$self->{'lookup'}->{$key}}, @val; |
193 |
|
} |
194 |
|
} |
195 |
|
} |
196 |
|
} |
197 |
|
|
198 |
=head2 fill_in |
=head2 fill_in |
199 |
|
|
200 |
Workhourse of all: takes record from in-memory structure of database and |
Workhourse of all: takes record from in-memory structure of database and |
204 |
$webpac->fill_in($rec,'v250^a'); |
$webpac->fill_in($rec,'v250^a'); |
205 |
|
|
206 |
Optional argument is ordinal number for repeatable fields. By default, |
Optional argument is ordinal number for repeatable fields. By default, |
207 |
it's assume to be first repeatable field. |
it's assume to be first repeatable field (fields are perl array, so first |
208 |
|
element is 0). |
209 |
|
Following example will read second value from repeatable field. |
210 |
|
|
211 |
|
$webpac->fill_in($rec,'Title: v250^a',1); |
212 |
|
|
213 |
|
This function B<does not> perform parsing of format to inteligenty skip |
214 |
|
delimiters before fields which aren't used. |
215 |
|
|
216 |
=cut |
=cut |
217 |
|
|
224 |
my $i = shift || 0; |
my $i = shift || 0; |
225 |
|
|
226 |
# FIXME remove for speedup? |
# FIXME remove for speedup? |
227 |
if ($rec !~ /HASH/) { |
confess("need HASH as first argument!") if ($rec !~ /HASH/o); |
|
confess("need HASH as first argument!"); |
|
|
} |
|
228 |
|
|
229 |
my $found = 0; |
my $found = 0; |
230 |
|
|
254 |
$format =~ s/v(\d+)\^(\w)/get_sf(\$found,\$rec,$1,$2,$i)/ges; |
$format =~ s/v(\d+)\^(\w)/get_sf(\$found,\$rec,$1,$2,$i)/ges; |
255 |
$format =~ s/v(\d+)/get_nosf(\$found,\$rec,$1,$i)/ges; |
$format =~ s/v(\d+)/get_nosf(\$found,\$rec,$1,$i)/ges; |
256 |
|
|
257 |
if ($found) { |
if ($found) { |
258 |
return $format; |
# do we have lookups? |
259 |
|
if ($format =~ /\[[^\[\]]+\]/o) { |
260 |
|
return $self->lookup($format); |
261 |
|
} else { |
262 |
|
return $format; |
263 |
|
} |
264 |
} else { |
} else { |
265 |
return; |
return; |
266 |
} |
} |
268 |
|
|
269 |
=head2 lookup |
=head2 lookup |
270 |
|
|
271 |
This function will perform lookups on format supplied to it. |
Perform lookups on format supplied to it. |
272 |
|
|
273 |
my $txt = $self->lookup('[v900]'); |
my $txt = $self->lookup('[v900]'); |
274 |
|
|
275 |
|
Lookups can be nested (like C<[d:[a:[v900]]]>). |
276 |
|
|
277 |
=cut |
=cut |
278 |
|
|
279 |
sub lookup { |
sub lookup { |
281 |
|
|
282 |
my $tmp = shift || confess "need format"; |
my $tmp = shift || confess "need format"; |
283 |
|
|
284 |
if ($tmp =~ /\[[^\[\]]+\]/) { |
if ($tmp =~ /\[[^\[\]]+\]/o) { |
285 |
my @in = ( $tmp ); |
my @in = ( $tmp ); |
286 |
print "##lookup $tmp\n"; |
#print "##lookup $tmp\n"; |
287 |
my @out; |
my @out; |
288 |
while (my $f = shift @in) { |
while (my $f = shift @in) { |
289 |
if ($f =~ /\[([^\[\]]+)\]/) { |
if ($f =~ /\[([^\[\]]+)\]/) { |
290 |
my $k = $1; |
my $k = $1; |
291 |
if ($self->{'lookup'}->{$k}) { |
if ($self->{'lookup'}->{$k}) { |
292 |
print "## lookup key = $k\n"; |
#print "## lookup key = $k\n"; |
293 |
foreach my $nv (@{$self->{'lookup'}->{$k}}) { |
foreach my $nv (@{$self->{'lookup'}->{$k}}) { |
294 |
my $tmp2 = $f; |
my $tmp2 = $f; |
295 |
$tmp2 =~ s/\[$k\]/$nv/g; |
$tmp2 =~ s/\[$k\]/$nv/g; |
296 |
push @in, $tmp2; |
push @in, $tmp2; |
297 |
print "## lookup in => $tmp2\n"; |
#print "## lookup in => $tmp2\n"; |
298 |
} |
} |
299 |
} else { |
} else { |
300 |
undef $f; |
undef $f; |
301 |
} |
} |
302 |
} elsif ($f) { |
} elsif ($f) { |
303 |
push @out, $f; |
push @out, $f; |
304 |
print "## lookup out => $f\n"; |
#print "## lookup out => $f\n"; |
305 |
} |
} |
306 |
} |
} |
307 |
return @out; |
return @out; |