| 1 | ###########################################################################
|
|---|
| 2 | #
|
|---|
| 3 | # AZCompactList.pm --
|
|---|
| 4 | # A component of the Greenstone digital library software
|
|---|
| 5 | # from the New Zealand Digital Library Project at the
|
|---|
| 6 | # University of Waikato, New Zealand.
|
|---|
| 7 | #
|
|---|
| 8 | # Copyright (C) 1999 New Zealand Digital Library Project
|
|---|
| 9 | #
|
|---|
| 10 | # This program is free software; you can redistribute it and/or modify
|
|---|
| 11 | # it under the terms of the GNU General Public License as published by
|
|---|
| 12 | # the Free Software Foundation; either version 2 of the License, or
|
|---|
| 13 | # (at your option) any later version.
|
|---|
| 14 | #
|
|---|
| 15 | # This program is distributed in the hope that it will be useful,
|
|---|
| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 18 | # GNU General Public License for more details.
|
|---|
| 19 | #
|
|---|
| 20 | # You should have received a copy of the GNU General Public License
|
|---|
| 21 | # along with this program; if not, write to the Free Software
|
|---|
| 22 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|---|
| 23 | #
|
|---|
| 24 | ###########################################################################
|
|---|
| 25 |
|
|---|
| 26 | # classifier plugin for sorting alphabetically
|
|---|
| 27 | # options are:
|
|---|
| 28 | #
|
|---|
| 29 | # metadata=Metaname -- all documents with Metaname metadata
|
|---|
| 30 | # will be included in list, list will be sorted
|
|---|
| 31 | # by this element.
|
|---|
| 32 | # buttonname=Title -- (optional) the title field for this classification.
|
|---|
| 33 | # if not included title field will be Metaname.
|
|---|
| 34 | # mingroup=Num -- (optional) the smallest value that will cause
|
|---|
| 35 | # a group in the hierarchy to form.
|
|---|
| 36 | # minnesting=Num -- (optional) the smallest value that will cause a
|
|---|
| 37 | # list to converted into nested list
|
|---|
| 38 | # mincompact=Num -- (optional) used in compact list
|
|---|
| 39 | # maxcompact=Num -- (optional) used in compact list
|
|---|
| 40 | # doclevel=top|section -- (optional) level to process document at.
|
|---|
| 41 | # onlyfirst -- (optional) control whether all or only first
|
|---|
| 42 | # metadata value used from array of metadata
|
|---|
| 43 | package AZCompactList;
|
|---|
| 44 |
|
|---|
| 45 | use BasClas;
|
|---|
| 46 | use sorttools;
|
|---|
| 47 |
|
|---|
| 48 | sub BEGIN {
|
|---|
| 49 | @ISA = ('BasClas');
|
|---|
| 50 | }
|
|---|
| 51 |
|
|---|
| 52 | my $doclevel_list =
|
|---|
| 53 | [ { 'name' => "top",
|
|---|
| 54 | 'desc' => "Whole document." } ,
|
|---|
| 55 | { 'name' => "section",
|
|---|
| 56 | 'desc' => "By sections." } ];
|
|---|
| 57 |
|
|---|
| 58 | my $arguments =
|
|---|
| 59 | [ { 'name' => "metadata",
|
|---|
| 60 | 'desc' => "Metadata field used for classification. List will be sorted by this element.",
|
|---|
| 61 | 'type' => "metadata",
|
|---|
| 62 | 'reqd' => "yes" },
|
|---|
| 63 | { 'name' => "buttonname",
|
|---|
| 64 | 'desc' => "Button name for this classification.",
|
|---|
| 65 | 'type' => "string",
|
|---|
| 66 | 'deft' => "Metadata element specified with -metadata",
|
|---|
| 67 | 'reqd' => "no" },
|
|---|
| 68 | { 'name' => "removeprefix",
|
|---|
| 69 | 'desc' => "A prefix to ignore in the Metadata values for the field when sorting.",
|
|---|
| 70 | 'type' => "string",
|
|---|
| 71 | 'deft' => "",
|
|---|
| 72 | 'reqd' => "no" },
|
|---|
| 73 | { 'name' => "mingroup",
|
|---|
| 74 | 'desc' => "The smallest value that will cause a group in the hierarchy to form.",
|
|---|
| 75 | 'type' => "int",
|
|---|
| 76 | 'deft' => "2",
|
|---|
| 77 | 'reqd' => "no" },
|
|---|
| 78 | { 'name' => "minnesting",
|
|---|
| 79 | 'desc' => "The smallest value that will cause a list to converted into nested list.",
|
|---|
| 80 | 'type' => "int",
|
|---|
| 81 | 'deft' => "20",
|
|---|
| 82 | 'reqd' => "no" },
|
|---|
| 83 | { 'name' => "mincompact",
|
|---|
| 84 | 'desc' => "Minimum number of documents to be displayed per page.",
|
|---|
| 85 | 'type' => "int",
|
|---|
| 86 | 'deft' => "10",
|
|---|
| 87 | 'reqd' => "no" },
|
|---|
| 88 | { 'name' => "maxcompact",
|
|---|
| 89 | 'desc' => "Maximum number of documents to be displayed per page.",
|
|---|
| 90 | 'type' => "int",
|
|---|
| 91 | 'deft' => "30",
|
|---|
| 92 | 'reqd' => "no" },
|
|---|
| 93 | { 'name' => "doclevel",
|
|---|
| 94 | 'desc' => "Level to process document at.",
|
|---|
| 95 | 'type' => "enum",
|
|---|
| 96 | 'list' => $doclevel_list,
|
|---|
| 97 | 'deft' => "top",
|
|---|
| 98 | 'reqd' => "no" },
|
|---|
| 99 | { 'name' => "onlyfirst",
|
|---|
| 100 | 'desc' => "Control whether all or only first metadata value used from array of metadata.",
|
|---|
| 101 | 'type' => "flag",
|
|---|
| 102 | 'reqd' => "no" },
|
|---|
| 103 | { 'name' => "freqsort",
|
|---|
| 104 | 'desc' => "Sort by node frequency rather than alpha-numeric.",
|
|---|
| 105 | 'type' => "flag"},
|
|---|
| 106 | { 'name' => "recopt",
|
|---|
| 107 | 'desc' => "?",
|
|---|
| 108 | 'type' => "string",
|
|---|
| 109 | 'deft' => "" } ];
|
|---|
| 110 |
|
|---|
| 111 | my $options =
|
|---|
| 112 | { 'name' => "AZCompactList",
|
|---|
| 113 | 'desc' => "Classifier plugin for sorting alphabetically",
|
|---|
| 114 | 'inherits' => "Yes",
|
|---|
| 115 | 'args' => $arguments };
|
|---|
| 116 |
|
|---|
| 117 | sub print_usage {
|
|---|
| 118 | print STDERR "
|
|---|
| 119 | usage: classify AZCompactList -metadata X [options]
|
|---|
| 120 | options:
|
|---|
| 121 | -metadata X (required) Metadata field used for classification
|
|---|
| 122 | -buttonname X Title to use on web pages (defaults to metadata)
|
|---|
| 123 | -removeprefix regex pattern to remove from metadata before sorting
|
|---|
| 124 | -doclevel top|section (Defaults to top)
|
|---|
| 125 | -freqsort Sort by node frequency rather than alpha-numeric
|
|---|
| 126 | -mingroup N Minimum num of documents required to form a new group
|
|---|
| 127 | -minnesting N Minimum list size to become a nested list
|
|---|
| 128 | -mincompact N Used in compact list
|
|---|
| 129 | -maxcompact N Used in compact list
|
|---|
| 130 | -onlyfirst Only use the first value if metadata is repeated.
|
|---|
| 131 | -recopt
|
|---|
| 132 | ";
|
|---|
| 133 | }
|
|---|
| 134 |
|
|---|
| 135 | sub new {
|
|---|
| 136 | my $class = shift (@_);
|
|---|
| 137 | my $self = new BasClas($class, @_);
|
|---|
| 138 |
|
|---|
| 139 | # 14-05-02 To allow for proper inheritance of arguments - John Thompson
|
|---|
| 140 | my $option_list = $self->{'option_list'};
|
|---|
| 141 | push( @{$option_list}, $options );
|
|---|
| 142 |
|
|---|
| 143 |
|
|---|
| 144 | my ($metaname, $title, $removeprefix);
|
|---|
| 145 | my $mingroup = 2;
|
|---|
| 146 | my $minnesting = 20;
|
|---|
| 147 | my $mincompact = 10;
|
|---|
| 148 | my $maxcompact = 30;
|
|---|
| 149 | my $doclevel = "top";
|
|---|
| 150 | my $onlyfirst = 0;
|
|---|
| 151 | my $freqsort = 0;
|
|---|
| 152 | my $recopt = undef;
|
|---|
| 153 |
|
|---|
| 154 | if (!parsargv::parse(\@_,
|
|---|
| 155 | q^metadata/.*/^, \$metaname,
|
|---|
| 156 | q^buttonname/.*/^, \$title,
|
|---|
| 157 | q^removeprefix/.*/^, \$removeprefix,
|
|---|
| 158 | q^mingroup/.*/2^, \$mingroup,
|
|---|
| 159 | q^minnesting/.*/20^, \$minnesting,
|
|---|
| 160 | q^mincompact/.*/10^, \$mincompact,
|
|---|
| 161 | q^maxcompact/.*/30^, \$maxcompact,
|
|---|
| 162 | q^doclevel/.*/top^, \$doclevel,
|
|---|
| 163 | q^onlyfirst/.*/0^, \$onlyfirst,
|
|---|
| 164 | q^freqsort/.*/0^, \$freqsort,
|
|---|
| 165 | q^recopt/.*/-1^, \$recopt,
|
|---|
| 166 |
|
|---|
| 167 | "allow_extra_options")) {
|
|---|
| 168 |
|
|---|
| 169 | print STDERR "\nIncorrect options passed to $class, check your collect.cfg file\n";
|
|---|
| 170 | &print_usage();
|
|---|
| 171 | die "\n";
|
|---|
| 172 | }
|
|---|
| 173 |
|
|---|
| 174 | if (!defined $metaname) {
|
|---|
| 175 | my $outhandle = $self->{'outhandle'};
|
|---|
| 176 | print $outhandle "AZCompactList used with no metadata name to classify by\n";
|
|---|
| 177 | die "\n";
|
|---|
| 178 | }
|
|---|
| 179 |
|
|---|
| 180 | $title = $metaname unless ($title);
|
|---|
| 181 |
|
|---|
| 182 | $self->{'list'} = {};
|
|---|
| 183 | $self->{'listmetavalue'} = {};
|
|---|
| 184 | $self->{'reclassify'} = {};
|
|---|
| 185 | $self->{'reclassifylist'} = {};
|
|---|
| 186 | $self->{'metaname'} = $metaname;
|
|---|
| 187 | $self->{'title'} = "$title"; # title for the titlebar.
|
|---|
| 188 | if (defined($removeprefix) && $removeprefix) {
|
|---|
| 189 | $self->{'removeprefix'} = $removeprefix;
|
|---|
| 190 | }
|
|---|
| 191 | $self->{'mingroup'} = $mingroup;
|
|---|
| 192 | $self->{'minnesting'} = $minnesting;
|
|---|
| 193 | $self->{'mincompact'} = $mincompact;
|
|---|
| 194 | $self->{'maxcompact'} = $maxcompact;
|
|---|
| 195 | $self->{'doclevel'} = $doclevel;
|
|---|
| 196 |
|
|---|
| 197 | if ($onlyfirst != 0) {
|
|---|
| 198 | $onlyfirst = 1;
|
|---|
| 199 | }
|
|---|
| 200 | $self->{'onlyfirst'} = $onlyfirst;
|
|---|
| 201 |
|
|---|
| 202 | if ($freqsort != 0) {
|
|---|
| 203 | $freqsort = 1;
|
|---|
| 204 | }
|
|---|
| 205 | $self->{'freqsort'} = $freqsort;
|
|---|
| 206 |
|
|---|
| 207 | if ($recopt == -1) {
|
|---|
| 208 | $recopt = undef;
|
|---|
| 209 | } else {
|
|---|
| 210 | $recopt = "on";
|
|---|
| 211 | }
|
|---|
| 212 | $self->{'recopt'} = $recopt;
|
|---|
| 213 |
|
|---|
| 214 | return bless $self, $class;
|
|---|
| 215 | }
|
|---|
| 216 |
|
|---|
| 217 | sub init
|
|---|
| 218 | {
|
|---|
| 219 | my $self = shift (@_);
|
|---|
| 220 |
|
|---|
| 221 | $self->{'list'} = {};
|
|---|
| 222 | $self->{'listmetavalue'} = {};
|
|---|
| 223 | $self->{'reclassify'} = {};
|
|---|
| 224 | $self->{'reclassifylist'} = {};
|
|---|
| 225 | }
|
|---|
| 226 |
|
|---|
| 227 | $tmp = 0;
|
|---|
| 228 |
|
|---|
| 229 | sub classify
|
|---|
| 230 | {
|
|---|
| 231 | my $self = shift (@_);
|
|---|
| 232 | my ($doc_obj) = @_;
|
|---|
| 233 |
|
|---|
| 234 | my $doc_OID = $doc_obj->get_OID();
|
|---|
| 235 |
|
|---|
| 236 | my @sectionlist = ();
|
|---|
| 237 | my $topsection = $doc_obj->get_top_section();
|
|---|
| 238 |
|
|---|
| 239 | my $metaname = $self->{'metaname'};
|
|---|
| 240 | my $outhandle = $self->{'outhandle'};
|
|---|
| 241 |
|
|---|
| 242 | $metaname =~ s/(\/.*)//; # grab first name in n1/n2/n3 list
|
|---|
| 243 |
|
|---|
| 244 | if ($self->{'doclevel'} =~ /^top(level)?/i)
|
|---|
| 245 | {
|
|---|
| 246 | push(@sectionlist,$topsection);
|
|---|
| 247 | }
|
|---|
| 248 | else
|
|---|
| 249 | {
|
|---|
| 250 | my $thissection = $doc_obj->get_next_section($topsection);
|
|---|
| 251 | while (defined $thissection)
|
|---|
| 252 | {
|
|---|
| 253 | push(@sectionlist,$thissection);
|
|---|
| 254 | $thissection = $doc_obj->get_next_section ($thissection);
|
|---|
| 255 | }
|
|---|
| 256 | }
|
|---|
| 257 |
|
|---|
| 258 | my $thissection;
|
|---|
| 259 | foreach $thissection (@sectionlist)
|
|---|
| 260 | {
|
|---|
| 261 | my $full_doc_OID
|
|---|
| 262 | = ($thissection ne "") ? "$doc_OID.$thissection" : $doc_OID;
|
|---|
| 263 |
|
|---|
| 264 | if (defined $self->{'list'}->{$full_doc_OID})
|
|---|
| 265 | {
|
|---|
| 266 | print $outhandle "WARNING: AZCompactList::classify called multiple times for $full_doc_OID\n";
|
|---|
| 267 | }
|
|---|
| 268 | $self->{'list'}->{$full_doc_OID} = [];
|
|---|
| 269 | $self->{'listmetavalue'}->{$full_doc_OID} = [];
|
|---|
| 270 |
|
|---|
| 271 | my $metavalues = $doc_obj->get_metadata($thissection,$metaname);
|
|---|
| 272 | my $metavalue;
|
|---|
| 273 | foreach $metavalue (@$metavalues)
|
|---|
| 274 | {
|
|---|
| 275 | # if this document doesn't contain the metadata element we're
|
|---|
| 276 | # sorting by we won't include it in this classification
|
|---|
| 277 | if (defined $metavalue && $metavalue =~ /\w/)
|
|---|
| 278 | {
|
|---|
| 279 | if ($self->{'removeprefix'}) {
|
|---|
| 280 | $metavalue =~ s/^$self->{'removeprefix'}//;
|
|---|
| 281 |
|
|---|
| 282 | # check that it's not now empty
|
|---|
| 283 | if (!$metavalue) {next;}
|
|---|
| 284 | }
|
|---|
| 285 |
|
|---|
| 286 | my $formatted_metavalue = $metavalue;
|
|---|
| 287 |
|
|---|
| 288 | if ($self->{'metaname'} =~ m/^Creator(:.*)?$/)
|
|---|
| 289 | {
|
|---|
| 290 | &sorttools::format_string_name_english (\$formatted_metavalue);
|
|---|
| 291 | }
|
|---|
| 292 | else
|
|---|
| 293 | {
|
|---|
| 294 | &sorttools::format_string_english (\$formatted_metavalue);
|
|---|
| 295 | }
|
|---|
| 296 |
|
|---|
| 297 | #### prefix-str
|
|---|
| 298 | if (! defined($formatted_metavalue)) {
|
|---|
| 299 | print $outhandle "Warning: AZCompactList: metavalue is ";
|
|---|
| 300 | print $outhandle "empty\n";
|
|---|
| 301 | $formatted_metavalue="";
|
|---|
| 302 | }
|
|---|
| 303 |
|
|---|
| 304 | push(@{$self->{'list'}->{$full_doc_OID}},$formatted_metavalue);
|
|---|
| 305 | push(@{$self->{'listmetavalue'}->{$full_doc_OID}} ,$metavalue);
|
|---|
| 306 |
|
|---|
| 307 | last if ($self->{'onlyfirst'});
|
|---|
| 308 | }
|
|---|
| 309 | }
|
|---|
| 310 | my $date = $doc_obj->get_metadata_element($thissection,"Date");
|
|---|
| 311 | $self->{'reclassify'}->{$full_doc_OID} = [$doc_obj,$date];
|
|---|
| 312 | }
|
|---|
| 313 | }
|
|---|
| 314 |
|
|---|
| 315 | sub reinit
|
|---|
| 316 | {
|
|---|
| 317 | my ($self,$classlist_ref) = @_;
|
|---|
| 318 | my $outhandle = $self->{'outhandle'};
|
|---|
| 319 |
|
|---|
| 320 | my %mtfreq = ();
|
|---|
| 321 | my @single_classlist = ();
|
|---|
| 322 | my @multiple_classlist = ();
|
|---|
| 323 |
|
|---|
| 324 | # find out how often each metavalue occurs
|
|---|
| 325 | map
|
|---|
| 326 | {
|
|---|
| 327 | my $mv;
|
|---|
| 328 | foreach $mv (@{$self->{'listmetavalue'}->{$_}} )
|
|---|
| 329 | {
|
|---|
| 330 | $mtfreq{$mv}++;
|
|---|
| 331 | }
|
|---|
| 332 | } @$classlist_ref;
|
|---|
| 333 |
|
|---|
| 334 | # use this information to split the list: single metavalue/repeated value
|
|---|
| 335 | map
|
|---|
| 336 | {
|
|---|
| 337 | my $i = 1;
|
|---|
| 338 | my $metavalue;
|
|---|
| 339 | foreach $metavalue (@{$self->{'listmetavalue'}->{$_}})
|
|---|
| 340 | {
|
|---|
| 341 | if ($mtfreq{$metavalue} >= $self->{'mingroup'})
|
|---|
| 342 | {
|
|---|
| 343 | push(@multiple_classlist,[$_,$i,$metavalue]);
|
|---|
| 344 | }
|
|---|
| 345 | else
|
|---|
| 346 | {
|
|---|
| 347 | push(@single_classlist,[$_,$metavalue]);
|
|---|
| 348 | $metavalue =~ tr/[A-Z]/[a-z]/;
|
|---|
| 349 | $self->{'reclassifylist'}->{"Metavalue_$i.$_"} = $metavalue;
|
|---|
| 350 | }
|
|---|
| 351 | $i++;
|
|---|
| 352 | }
|
|---|
| 353 | } @$classlist_ref;
|
|---|
| 354 |
|
|---|
| 355 |
|
|---|
| 356 | # Setup sub-classifiers for multiple list
|
|---|
| 357 |
|
|---|
| 358 | $self->{'classifiers'} = {};
|
|---|
| 359 |
|
|---|
| 360 | my $pm;
|
|---|
| 361 | foreach $pm ("List", "SectionList")
|
|---|
| 362 | {
|
|---|
| 363 | my $listname
|
|---|
| 364 | = &util::filename_cat($ENV{'GSDLHOME'},"perllib/classify/$pm.pm");
|
|---|
| 365 | if (-e $listname) { require $listname; }
|
|---|
| 366 | else
|
|---|
| 367 | {
|
|---|
| 368 | print $outhandle "AZCompactList ERROR - couldn't find classifier \"$listname\"\n";
|
|---|
| 369 | die "\n";
|
|---|
| 370 | }
|
|---|
| 371 | }
|
|---|
| 372 |
|
|---|
| 373 | # Create classifiers objects for each entry >= mingroup
|
|---|
| 374 | my $metavalue;
|
|---|
| 375 | foreach $metavalue (keys %mtfreq)
|
|---|
| 376 | {
|
|---|
| 377 | if ($mtfreq{$metavalue} >= $self->{'mingroup'})
|
|---|
| 378 | {
|
|---|
| 379 | my $listclassobj;
|
|---|
| 380 | my $doclevel = $self->{'doclevel'};
|
|---|
| 381 | my $metaname = $self->{'metaname'};
|
|---|
| 382 | my @metaname_list = split('/',$metaname);
|
|---|
| 383 | $metaname = shift(@metaname_list);
|
|---|
| 384 | if (@metaname_list==0)
|
|---|
| 385 | {
|
|---|
| 386 | my @args;
|
|---|
| 387 | push @args, ("-metadata", "$metaname");
|
|---|
| 388 | # buttonname is also used for the node's title
|
|---|
| 389 | push @args, ("-buttonname", "$metavalue");
|
|---|
| 390 | push @args, ("-sort", "Date");
|
|---|
| 391 |
|
|---|
| 392 | if ($doclevel =~ m/^top(level)?/i)
|
|---|
| 393 | {
|
|---|
| 394 | eval ("\$listclassobj = new List(\@args)"); warn $@ if $@;
|
|---|
| 395 | }
|
|---|
| 396 | else
|
|---|
| 397 | {
|
|---|
| 398 | eval ("\$listclassobj = new SectionList(\@args)");
|
|---|
| 399 | }
|
|---|
| 400 | }
|
|---|
| 401 | else
|
|---|
| 402 | {
|
|---|
| 403 | $metaname = join('/',@metaname_list);
|
|---|
| 404 |
|
|---|
| 405 | my @args;
|
|---|
| 406 | push @args, ("-metadata", "$metaname");
|
|---|
| 407 | # buttonname is also used for the node's title
|
|---|
| 408 | push @args, ("-buttonname", "$metavalue");
|
|---|
| 409 | push @args, ("-doclevel", "$doclevel");
|
|---|
| 410 | push @args, "-recopt";
|
|---|
| 411 |
|
|---|
| 412 | eval ("\$listclassobj = new AZCompactList(\@args)");
|
|---|
| 413 | }
|
|---|
| 414 | if ($@) {
|
|---|
| 415 | print $outhandle "$@";
|
|---|
| 416 | die "\n";
|
|---|
| 417 | }
|
|---|
| 418 |
|
|---|
| 419 | $listclassobj->init();
|
|---|
| 420 |
|
|---|
| 421 | if (defined $metavalue && $metavalue =~ /\w/)
|
|---|
| 422 | {
|
|---|
| 423 | my $formatted_node = $metavalue;
|
|---|
| 424 |
|
|---|
| 425 | if ($self->{'removeprefix'}) {
|
|---|
| 426 | $formatted_node =~ s/^$self->{'removeprefix'}//;
|
|---|
| 427 | # check that it's not now empty
|
|---|
| 428 | if (!$formatted_node) {next;}
|
|---|
| 429 | }
|
|---|
| 430 |
|
|---|
| 431 | if ($self->{'metaname'} =~ m/^Creator(:.*)?$/)
|
|---|
| 432 | {
|
|---|
| 433 | &sorttools::format_string_name_english(\$formatted_node);
|
|---|
| 434 | }
|
|---|
| 435 | else
|
|---|
| 436 | {
|
|---|
| 437 | &sorttools::format_string_english(\$formatted_node);
|
|---|
| 438 | }
|
|---|
| 439 |
|
|---|
| 440 | # In case our formatted string is empty...
|
|---|
| 441 | if (! defined($formatted_node)) {
|
|---|
| 442 | print $outhandle "Warning: AZCompactList: metavalue is ";
|
|---|
| 443 | print $outhandle "empty\n";
|
|---|
| 444 | $formatted_node="";
|
|---|
| 445 | }
|
|---|
| 446 |
|
|---|
| 447 | $self->{'classifiers'}->{$metavalue}
|
|---|
| 448 | = { 'classifyobj' => $listclassobj,
|
|---|
| 449 | 'formattednode' => $formatted_node };
|
|---|
| 450 | }
|
|---|
| 451 | }
|
|---|
| 452 | }
|
|---|
| 453 |
|
|---|
| 454 |
|
|---|
| 455 | return (\@single_classlist,\@multiple_classlist);
|
|---|
| 456 | }
|
|---|
| 457 |
|
|---|
| 458 |
|
|---|
| 459 | sub reclassify
|
|---|
| 460 | {
|
|---|
| 461 | my ($self,$multiple_cl_ref) = @_;
|
|---|
| 462 |
|
|---|
| 463 | # Entries in the current classify list that are "book nodes"
|
|---|
| 464 | # should be recursively classified.
|
|---|
| 465 | #--
|
|---|
| 466 | foreach $dm_pair (@$multiple_cl_ref)
|
|---|
| 467 | {
|
|---|
| 468 | my ($doc_OID,$mdoffset,$metavalue) = @$dm_pair;
|
|---|
| 469 | my $listclassobj;
|
|---|
| 470 |
|
|---|
| 471 | # find metavalue in list of sub-classifiers
|
|---|
| 472 | my $found = 0;
|
|---|
| 473 | my $node_name;
|
|---|
| 474 | foreach $node_name (keys %{$self->{'classifiers'}})
|
|---|
| 475 | {
|
|---|
| 476 | $resafe_node_name = $node_name;
|
|---|
| 477 | # escape chars that mean something to perl...
|
|---|
| 478 | $resafe_node_name =~ s/([\\\(\)\[\]\{\}\^\$\.\+\*\?\|])/\\$1/g;
|
|---|
| 479 | if ($metavalue =~ m/^$resafe_node_name$/i)
|
|---|
| 480 | {
|
|---|
| 481 | my ($doc_obj,$date) = @{$self->{'reclassify'}->{$doc_OID}};
|
|---|
| 482 |
|
|---|
| 483 | ## date appears to not be used in classifier call ####
|
|---|
| 484 |
|
|---|
| 485 | if ($doc_OID =~ m/^[^\.]*\.([\d\.]+)$/)
|
|---|
| 486 | {
|
|---|
| 487 | my $section=$1;
|
|---|
| 488 | if ($self->{'doclevel'} =~ m/^top/i) { # toplevel
|
|---|
| 489 | $self->{'classifiers'}->{$node_name}->{'classifyobj'}
|
|---|
| 490 | ->classify($doc_obj, "Section=$section");
|
|---|
| 491 | } else { # section level
|
|---|
| 492 | # Thanks to Don Gourley for this...
|
|---|
| 493 | # classify can't handle multi-level section
|
|---|
| 494 | $self->{'classifiers'}->{$node_name}->{'classifyobj'}
|
|---|
| 495 | ->classify_section($section, $doc_obj, $date);
|
|---|
| 496 | }
|
|---|
| 497 | }
|
|---|
| 498 | else
|
|---|
| 499 | {
|
|---|
| 500 | $self->{'classifiers'}->{$node_name}->{'classifyobj'}
|
|---|
| 501 | ->classify($doc_obj);
|
|---|
| 502 | }
|
|---|
| 503 |
|
|---|
| 504 | $found = 1;
|
|---|
| 505 | last;
|
|---|
| 506 | }
|
|---|
| 507 | }
|
|---|
| 508 |
|
|---|
| 509 | if (!$found)
|
|---|
| 510 | {
|
|---|
| 511 | my $outhandle=$self->{outhandle};
|
|---|
| 512 | print $outhandle "Warning: AZCompactList::reclassify ";
|
|---|
| 513 | print $outhandle "could not find sub-node for metadata=`$metavalue' with doc_OID $doc_OID\n";
|
|---|
| 514 | }
|
|---|
| 515 | }
|
|---|
| 516 | }
|
|---|
| 517 |
|
|---|
| 518 |
|
|---|
| 519 |
|
|---|
| 520 | sub get_reclassify_info
|
|---|
| 521 | {
|
|---|
| 522 | my $self = shift (@_);
|
|---|
| 523 |
|
|---|
| 524 | my $node_name;
|
|---|
| 525 | foreach $node_name (keys %{$self->{'classifiers'}})
|
|---|
| 526 | {
|
|---|
| 527 | my $classifyinfo
|
|---|
| 528 | = $self->{'classifiers'}->{$node_name}->{'classifyobj'}
|
|---|
| 529 | ->get_classify_info();
|
|---|
| 530 | $self->{'classifiers'}->{$node_name}->{'classifyinfo'}
|
|---|
| 531 | = $classifyinfo;
|
|---|
| 532 | $self->{'reclassifylist'}->{"CLASSIFY.$node_name"}
|
|---|
| 533 | = $self->{'classifiers'}->{$node_name}->{'formattednode'};
|
|---|
| 534 | }
|
|---|
| 535 | }
|
|---|
| 536 |
|
|---|
| 537 |
|
|---|
| 538 | sub alpha_numeric_cmp
|
|---|
| 539 | {
|
|---|
| 540 | my ($self,$a,$b) = @_;
|
|---|
| 541 |
|
|---|
| 542 | my $title_a = $self->{'reclassifylist'}->{$a};
|
|---|
| 543 | my $title_b = $self->{'reclassifylist'}->{$b};
|
|---|
| 544 |
|
|---|
| 545 | if ($title_a =~ m/^(\d+(\.\d+)?)/)
|
|---|
| 546 | {
|
|---|
| 547 | my $val_a = $1;
|
|---|
| 548 | if ($title_b =~ m/^(\d+(\.\d+)?)/)
|
|---|
| 549 | {
|
|---|
| 550 | my $val_b = $1;
|
|---|
| 551 | if ($val_a != $val_b)
|
|---|
| 552 | {
|
|---|
| 553 | return ($val_a <=> $val_b);
|
|---|
| 554 | }
|
|---|
| 555 | }
|
|---|
| 556 | }
|
|---|
| 557 |
|
|---|
| 558 | return ($title_a cmp $title_b);
|
|---|
| 559 | }
|
|---|
| 560 |
|
|---|
| 561 | sub frequency_cmp
|
|---|
| 562 | {
|
|---|
| 563 | my ($self,$a,$b) = @_;
|
|---|
| 564 |
|
|---|
| 565 |
|
|---|
| 566 | my $title_a = $self->{'reclassifylist'}->{$a};
|
|---|
| 567 | my $title_b = $self->{'reclassifylist'}->{$b};
|
|---|
| 568 |
|
|---|
| 569 | my $a_freq = 1;
|
|---|
| 570 | my $b_freq = 1;
|
|---|
| 571 |
|
|---|
| 572 | if ($a =~ m/^CLASSIFY\.(.*)$/)
|
|---|
| 573 | {
|
|---|
| 574 | my $a_node = $1;
|
|---|
| 575 | my $a_nodeinfo = $self->{'classifiers'}->{$a_node}->{'classifyinfo'};
|
|---|
| 576 | $a_freq = scalar(@{$a_nodeinfo->{'contains'}});
|
|---|
| 577 | }
|
|---|
| 578 |
|
|---|
| 579 | if ($b =~ m/^CLASSIFY\.(.*)$/)
|
|---|
| 580 | {
|
|---|
| 581 | my $b_node = $1;
|
|---|
| 582 | my $b_nodeinfo = $self->{'classifiers'}->{$b_node}->{'classifyinfo'};
|
|---|
| 583 | $b_freq = scalar(@{$b_nodeinfo->{'contains'}});
|
|---|
| 584 | }
|
|---|
| 585 |
|
|---|
| 586 | return $b_freq <=> $a_freq;
|
|---|
| 587 | }
|
|---|
| 588 |
|
|---|
| 589 | sub get_classify_info {
|
|---|
| 590 | my $self = shift (@_);
|
|---|
| 591 |
|
|---|
| 592 | my @classlist =keys %{$self->{'list'}}; # list all doc oids
|
|---|
| 593 |
|
|---|
| 594 | my ($single_cl_ref,$multiple_cl_ref) = $self->reinit(\@classlist);
|
|---|
| 595 | $self->reclassify($multiple_cl_ref);
|
|---|
| 596 | $self->get_reclassify_info();
|
|---|
| 597 |
|
|---|
| 598 | my @reclassified_classlist;
|
|---|
| 599 | if ($self->{'freqsort'})
|
|---|
| 600 | {
|
|---|
| 601 | @reclassified_classlist
|
|---|
| 602 | = sort { $self->frequency_cmp($a,$b) } keys %{$self->{'reclassifylist'}};
|
|---|
| 603 | # supress sub-grouping by alphabet
|
|---|
| 604 | map { $self->{'reclassifylist'}->{$_} = "A".$self->{'reclassifylist'}; } keys %{$self->{'reclassifylist'}};
|
|---|
| 605 | }
|
|---|
| 606 | else
|
|---|
| 607 | {
|
|---|
| 608 | # @reclassified_classlist
|
|---|
| 609 | # = sort {$self->{'reclassifylist'}->{$a} cmp $self->{'reclassifylist'}->{$b};} keys %{$self->{'reclassifylist'}};
|
|---|
| 610 |
|
|---|
| 611 | # alpha_numeric_cmp is slower than "cmp" but handles numbers better ...
|
|---|
| 612 |
|
|---|
| 613 | @reclassified_classlist
|
|---|
| 614 | = sort { $self->alpha_numeric_cmp($a,$b) } keys %{$self->{'reclassifylist'}};
|
|---|
| 615 |
|
|---|
| 616 | }
|
|---|
| 617 |
|
|---|
| 618 | return $self->splitlist (\@reclassified_classlist);
|
|---|
| 619 | }
|
|---|
| 620 |
|
|---|
| 621 | sub get_entry {
|
|---|
| 622 | my $self = shift (@_);
|
|---|
| 623 | my ($title, $childtype, $metaname, $thistype) = @_;
|
|---|
| 624 |
|
|---|
| 625 | # organise into classification structure
|
|---|
| 626 | my %classifyinfo = ('childtype'=>$childtype,
|
|---|
| 627 | 'Title'=>$title,
|
|---|
| 628 | 'contains'=>[],
|
|---|
| 629 | 'mdtype'=>$metaname);
|
|---|
| 630 |
|
|---|
| 631 | $classifyinfo{'thistype'} = $thistype
|
|---|
| 632 | if defined $thistype && $thistype =~ /\w/;
|
|---|
| 633 |
|
|---|
| 634 | return \%classifyinfo;
|
|---|
| 635 | }
|
|---|
| 636 |
|
|---|
| 637 |
|
|---|
| 638 |
|
|---|
| 639 | # splitlist takes an ordered list of classifications (@$classlistref) and
|
|---|
| 640 | # splits it up into alphabetical sub-sections.
|
|---|
| 641 | sub splitlist {
|
|---|
| 642 | my $self = shift (@_);
|
|---|
| 643 | my ($classlistref) = @_;
|
|---|
| 644 | my $classhash = {};
|
|---|
| 645 |
|
|---|
| 646 | # top level
|
|---|
| 647 | my @metanames = split("/",$self->{'metaname'});
|
|---|
| 648 | my $metaname = shift(@metanames);
|
|---|
| 649 |
|
|---|
| 650 | my $childtype = "HList";
|
|---|
| 651 | $childtype = "VList" if (scalar (@$classlistref) <= $self->{'minnesting'});
|
|---|
| 652 |
|
|---|
| 653 | my $classifyinfo;
|
|---|
| 654 | if (!defined($self->{'recopt'}))
|
|---|
| 655 | {
|
|---|
| 656 | my $title = $self->{'title'}; # should always be defined by now....
|
|---|
| 657 | $title = $metaname unless defined $title;
|
|---|
| 658 | $classifyinfo
|
|---|
| 659 | = $self->get_entry ($title, $childtype, $metaname, "Invisible");
|
|---|
| 660 | }
|
|---|
| 661 | else
|
|---|
| 662 | {
|
|---|
| 663 | my $title = $self->{'title'};
|
|---|
| 664 | $classifyinfo
|
|---|
| 665 | = $self->get_entry ($title, $childtype, $metaname, "VList");
|
|---|
| 666 | }
|
|---|
| 667 |
|
|---|
| 668 | # don't need to do any splitting if there are less than 'minnesting' classifications
|
|---|
| 669 | if ((scalar @$classlistref) <= $self->{'minnesting'}) {
|
|---|
| 670 | foreach $subOID (@$classlistref) {
|
|---|
| 671 | if ($subOID =~ /^CLASSIFY\.(.*)$/
|
|---|
| 672 | && defined $self->{'classifiers'}->{$1})
|
|---|
| 673 | {
|
|---|
| 674 | push (@{$classifyinfo->{'contains'}},
|
|---|
| 675 | $self->{'classifiers'}->{$1}->{'classifyinfo'});
|
|---|
| 676 | }
|
|---|
| 677 | else
|
|---|
| 678 | {
|
|---|
| 679 | $subOID =~ s/^Metavalue_(\d+)\.//;
|
|---|
| 680 | my $metaname_offset = $1 -1;
|
|---|
| 681 | my $oid_rec = {'OID'=>$subOID, 'offset'=>$metaname_offset};
|
|---|
| 682 | push (@{$classifyinfo->{'contains'}}, $oid_rec);
|
|---|
| 683 | }
|
|---|
| 684 | }
|
|---|
| 685 | return $classifyinfo;
|
|---|
| 686 | }
|
|---|
| 687 |
|
|---|
| 688 | # first split up the list into separate A-Z and 0-9 classifications
|
|---|
| 689 | foreach $classification (@$classlistref) {
|
|---|
| 690 | my $title = $self->{'reclassifylist'}->{$classification};
|
|---|
| 691 | $title =~ s/&(.){2,4};//g; # remove any HTML special chars
|
|---|
| 692 | ### $title =~ s/^\s+//g; # remove a leading spaces
|
|---|
| 693 | ### $title =~ s/^_+//g; # remove a leading underscores
|
|---|
| 694 | $title =~ s/^\W+//g;
|
|---|
| 695 | ### $title =~ s/^(\'|\`|\"|\:|\()//g; # remove any opening punctutation
|
|---|
| 696 |
|
|---|
| 697 | # only want first character for classification
|
|---|
| 698 | $title =~ m/^(.)/; $title=$1;
|
|---|
| 699 | $title =~ tr/[a-z]/[A-Z]/;
|
|---|
| 700 |
|
|---|
| 701 | if ($title =~ /^[0-9]$/) {$title = '0-9';}
|
|---|
| 702 | elsif ($title !~ /^[A-Z]$/) {
|
|---|
| 703 | my $outhandle = $self->{'outhandle'};
|
|---|
| 704 | print $outhandle "AZCompactList: WARNING $classification has badly formatted title ($title)\n";
|
|---|
| 705 | }
|
|---|
| 706 | $classhash->{$title} = [] unless defined $classhash->{$title};
|
|---|
| 707 | push (@{$classhash->{$title}}, $classification);
|
|---|
| 708 | }
|
|---|
| 709 | $classhash = $self->compactlist ($classhash);
|
|---|
| 710 |
|
|---|
| 711 | my @tmparr = ();
|
|---|
| 712 | foreach $subsection (sort keys (%$classhash)) {
|
|---|
| 713 | push (@tmparr, $subsection);
|
|---|
| 714 | }
|
|---|
| 715 |
|
|---|
| 716 | # if there's a 0-9 section it will have been sorted to the beginning
|
|---|
| 717 | # but we want it at the end
|
|---|
| 718 | if ($tmparr[0] eq '0-9') {
|
|---|
| 719 | shift @tmparr;
|
|---|
| 720 | push (@tmparr, '0-9');
|
|---|
| 721 | }
|
|---|
| 722 |
|
|---|
| 723 | foreach $subclass (@tmparr)
|
|---|
| 724 | {
|
|---|
| 725 | my $tempclassify
|
|---|
| 726 | = (scalar(@tmparr)==1)
|
|---|
| 727 | ? ($self->get_entry(" ", "VList", $metaname))
|
|---|
| 728 | : ($self->get_entry($subclass, "VList", $metaname));
|
|---|
| 729 |
|
|---|
| 730 |
|
|---|
| 731 | foreach $subsubOID (@{$classhash->{$subclass}})
|
|---|
| 732 | {
|
|---|
| 733 | if ($subsubOID =~ /^CLASSIFY\.(.*)$/
|
|---|
| 734 | && defined $self->{'classifiers'}->{$1})
|
|---|
| 735 | {
|
|---|
| 736 | push (@{$tempclassify->{'contains'}},
|
|---|
| 737 | $self->{'classifiers'}->{$1}->{'classifyinfo'});
|
|---|
| 738 | }
|
|---|
| 739 | else
|
|---|
| 740 | {
|
|---|
| 741 | $subsubOID =~ s/^Metavalue_(\d+)\.//;
|
|---|
| 742 | my $metaname_offset = $1 -1;
|
|---|
| 743 | my $oid_rec = {'OID'=>$subsubOID, 'offset'=>$metaname_offset};
|
|---|
| 744 | push (@{$tempclassify->{'contains'}}, $oid_rec);
|
|---|
| 745 | }
|
|---|
| 746 | }
|
|---|
| 747 | push (@{$classifyinfo->{'contains'}}, $tempclassify);
|
|---|
| 748 | }
|
|---|
| 749 |
|
|---|
| 750 | return $classifyinfo;
|
|---|
| 751 | }
|
|---|
| 752 |
|
|---|
| 753 | sub compactlist {
|
|---|
| 754 | my $self = shift (@_);
|
|---|
| 755 | my ($classhashref) = @_;
|
|---|
| 756 | my $compactedhash = {};
|
|---|
| 757 | my @currentOIDs = ();
|
|---|
| 758 | my $currentfirstletter = "";
|
|---|
| 759 | my $currentlastletter = "";
|
|---|
| 760 | my $lastkey = "";
|
|---|
| 761 |
|
|---|
| 762 | # minimum and maximum documents to be displayed per page.
|
|---|
| 763 | # the actual maximum will be max + (min-1).
|
|---|
| 764 | # the smallest sub-section is a single letter at present
|
|---|
| 765 | # so in this case there may be many times max documents
|
|---|
| 766 | # displayed on a page.
|
|---|
| 767 | my $min = $self->{'mincompact'};
|
|---|
| 768 | my $max = $self->{'maxcompact'};
|
|---|
| 769 |
|
|---|
| 770 | foreach $subsection (sort keys %$classhashref) {
|
|---|
| 771 | if ($subsection eq '0-9') {
|
|---|
| 772 | @{$compactedhash->{$subsection}} = @{$classhashref->{$subsection}};
|
|---|
| 773 | next;
|
|---|
| 774 | }
|
|---|
| 775 | $currentfirstletter = $subsection if $currentfirstletter eq "";
|
|---|
| 776 | if ((scalar (@currentOIDs) < $min) ||
|
|---|
| 777 | ((scalar (@currentOIDs) + scalar (@{$classhashref->{$subsection}})) <= $max)) {
|
|---|
| 778 | push (@currentOIDs, @{$classhashref->{$subsection}});
|
|---|
| 779 | $currentlastletter = $subsection;
|
|---|
| 780 | } else {
|
|---|
| 781 |
|
|---|
| 782 | if ($currentfirstletter eq $currentlastletter) {
|
|---|
| 783 | @{$compactedhash->{$currentfirstletter}} = @currentOIDs;
|
|---|
| 784 | $lastkey = $currentfirstletter;
|
|---|
| 785 | } else {
|
|---|
| 786 | @{$compactedhash->{"$currentfirstletter-$currentlastletter"}} = @currentOIDs;
|
|---|
| 787 | $lastkey = "$currentfirstletter-$currentlastletter";
|
|---|
| 788 | }
|
|---|
| 789 | if (scalar (@{$classhashref->{$subsection}}) >= $max) {
|
|---|
| 790 | $compactedhash->{$subsection} = $classhashref->{$subsection};
|
|---|
| 791 | @currentOIDs = ();
|
|---|
| 792 | $currentfirstletter = "";
|
|---|
| 793 | } else {
|
|---|
| 794 | @currentOIDs = @{$classhashref->{$subsection}};
|
|---|
| 795 | $currentfirstletter = $subsection;
|
|---|
| 796 | $currentlastletter = $subsection;
|
|---|
| 797 | }
|
|---|
| 798 | }
|
|---|
| 799 | }
|
|---|
| 800 |
|
|---|
| 801 | # add final OIDs to last sub-classification if there aren't many otherwise
|
|---|
| 802 | # add final sub-classification
|
|---|
| 803 | if (scalar (@currentOIDs) < $min) {
|
|---|
| 804 | my ($newkey) = $lastkey =~ /^(.)/;
|
|---|
| 805 | @currentOIDs = (@{$compactedhash->{$lastkey}}, @currentOIDs);
|
|---|
| 806 | delete $compactedhash->{$lastkey};
|
|---|
| 807 | @{$compactedhash->{"$newkey-$currentlastletter"}} = @currentOIDs;
|
|---|
| 808 | } else {
|
|---|
| 809 | if ($currentfirstletter eq $currentlastletter) {
|
|---|
| 810 | @{$compactedhash->{$currentfirstletter}} = @currentOIDs;
|
|---|
| 811 | } else {
|
|---|
| 812 | @{$compactedhash->{"$currentfirstletter-$currentlastletter"}} = @currentOIDs;
|
|---|
| 813 | }
|
|---|
| 814 | }
|
|---|
| 815 |
|
|---|
| 816 | return $compactedhash;
|
|---|
| 817 | }
|
|---|
| 818 |
|
|---|
| 819 | 1;
|
|---|
| 820 |
|
|---|
| 821 |
|
|---|
