xapian-bindings/perl/perl.i

   1 %module xapian
   2 %{
   3 /* perl.i: SWIG interface file for the Perl bindings
   4  *
   5  * Copyright (C) 2009 Kosei Moriyama
   6  * Copyright (C) 2011,2012,2013,2015,2016 Olly Betts
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of the
  11  * License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
  21  * USA
  22  */
  23 %}
  24
  25 /* The XS Xapian never wrapped these, and they're now deprecated. */
  26 #define XAPIAN_BINDINGS_SKIP_DEPRECATED_DB_FACTORIES
  27
  28 %include ../xapian-head.i
  29
  30 /* Rename function next() to increment() since the keyword "next" is already
  31  * used in Perl. */
  32 %rename(increment) *::next();
  33 %rename(increment_weight) *::next(double min_wt);
  34
  35 /* Wrapping constant values. */
  36 %constant int OP_AND = Xapian::Query::OP_AND;
  37 %constant int OP_OR = Xapian::Query::OP_OR;
  38 %constant int OP_AND_NOT = Xapian::Query::OP_AND_NOT;
  39 %constant int OP_XOR = Xapian::Query::OP_XOR;
  40 %constant int OP_AND_MAYBE = Xapian::Query::OP_AND_MAYBE;
  41 %constant int OP_FILTER = Xapian::Query::OP_FILTER;
  42 %constant int OP_NEAR = Xapian::Query::OP_NEAR;
  43 %constant int OP_PHRASE = Xapian::Query::OP_PHRASE;
  44 %constant int OP_VALUE_RANGE = Xapian::Query::OP_VALUE_RANGE;
  45 %constant int OP_SCALE_WEIGHT = Xapian::Query::OP_SCALE_WEIGHT;
  46 %constant int OP_ELITE_SET = Xapian::Query::OP_ELITE_SET;
  47 %constant int OP_VALUE_GE = Xapian::Query::OP_VALUE_GE;
  48 %constant int OP_SYNONYM = Xapian::Query::OP_SYNONYM;
  49 %constant int OP_MAX = Xapian::Query::OP_MAX;
  50 %constant int OP_WILDCARD = Xapian::Query::OP_WILDCARD;
  51 %constant int OP_VALUE_LE = Xapian::Query::OP_VALUE_LE;
  52 %constant int OP_INVALID = Xapian::Query::OP_INVALID;
  53 %constant int FLAG_BOOLEAN = Xapian::QueryParser::FLAG_BOOLEAN;
  54 %constant int FLAG_PHRASE = Xapian::QueryParser::FLAG_PHRASE;
  55 %constant int FLAG_LOVEHATE = Xapian::QueryParser::FLAG_LOVEHATE;
  56 %constant int FLAG_BOOLEAN_ANY_CASE = Xapian::QueryParser::FLAG_BOOLEAN_ANY_CASE;
  57 %constant int FLAG_WILDCARD = Xapian::QueryParser::FLAG_WILDCARD;
  58 %constant int FLAG_PURE_NOT = Xapian::QueryParser::FLAG_PURE_NOT;
  59 %constant int FLAG_PARTIAL = Xapian::QueryParser::FLAG_PARTIAL;
  60 %constant int FLAG_SPELLING_CORRECTION = Xapian::QueryParser::FLAG_SPELLING_CORRECTION;
  61 %constant int FLAG_SYNONYM = Xapian::QueryParser::FLAG_SYNONYM;
  62 %constant int FLAG_AUTO_SYNONYMS = Xapian::QueryParser::FLAG_AUTO_SYNONYMS;
  63 %constant int FLAG_AUTO_MULTIWORD_SYNONYMS = Xapian::QueryParser::FLAG_AUTO_MULTIWORD_SYNONYMS;
  64 %constant int FLAG_CJK_NGRAM = Xapian::QueryParser::FLAG_CJK_NGRAM;
  65 %constant int FLAG_DEFAULT = Xapian::QueryParser::FLAG_DEFAULT;
  66 %constant int STEM_NONE = Xapian::QueryParser::STEM_NONE;
  67 %constant int STEM_SOME = Xapian::QueryParser::STEM_SOME;
  68 %constant int STEM_ALL = Xapian::QueryParser::STEM_ALL;
  69 %constant int STEM_ALL_Z = Xapian::QueryParser::STEM_ALL_Z;
  70 %constant int FLAG_SPELLING = Xapian::TermGenerator::FLAG_SPELLING;
  71 // FLAG_CJK_NGRAM already set above from QueryParser (values match).
  72 %constant int WILDCARD_LIMIT_ERROR = Xapian::Query::WILDCARD_LIMIT_ERROR;
  73 %constant int WILDCARD_LIMIT_FIRST = Xapian::Query::WILDCARD_LIMIT_FIRST;
  74 %constant int WILDCARD_LIMIT_MOST_FREQUENT = Xapian::Query::WILDCARD_LIMIT_MOST_FREQUENT;
  75
  76 /* Xapian::Enquire */
  77 %feature("shadow") Xapian::Enquire::get_mset
  78 %{
  79 sub get_mset {
  80   my $self = $_[0];
  81   my $nargs = scalar(@_);
  82   if( $nargs == 4 ) {
  83     my $type = ref( $_[2] );
  84     if ( $type eq 'Xapian::RSet' ) {
  85       # get_mset(first, max, rset)
  86       splice @_, 2, 0, (0); # insert checkatleast
  87     }
  88   }
  89   return Xapianc::Enquire_get_mset( @_ );
  90 }
  91 %}
  92
  93 %feature("shadow") Xapian::Enquire::set_query
  94 %{
  95 sub set_query {
  96   my $self = shift;
  97   my $query = shift;
  98   if( ref( $query ) ne 'Xapian::Query' ) {
  99     $query = Xapian::Query->new( $query, @_ );
 100     Xapianc::Enquire_set_query( $self, $query );
 101     return;
 102   }
 103   my $nargs = scalar(@_);
 104   if( $nargs > 1) {
 105     use Carp;
 106     Carp::carp( "USAGE: \$enquire->set_query(\$query) or \$enquire->set_query(\$query, \$length)" );
 107     exit;
 108   }
 109   Xapianc::Enquire_set_query( $self, $query, @_ );
 110 }
 111 %}
 112
 113 %feature("shadow") Xapian::Enquire::set_sort_by_key
 114 %{
 115 sub set_sort_by_key {
 116     my $self = $_[0];
 117     my $sorter = $_[1];
 118     $self{_sorter} = $sorter;
 119     Xapianc::Enquire_set_sort_by_key( @_ );
 120 }
 121 %}
 122
 123 %feature("shadow") Xapian::Enquire::set_sort_by_key_then_relevance
 124 %{
 125 sub set_sort_by_key_then_relevance {
 126     my $self = $_[0];
 127     my $sorter = $_[1];
 128     $self{_sorter} = $sorter;
 129     Xapianc::Enquire_set_sort_by_key_then_relevance( @_ );
 130 }
 131 %}
 132
 133 %feature("shadow") Xapian::Enquire::set_sort_by_relevance_then_key
 134 %{
 135 sub set_sort_by_relevance_then_key {
 136     my $self = $_[0];
 137     my $sorter = $_[1];
 138     $self{_sorter} = $sorter;
 139     Xapianc::Enquire_set_sort_by_relevance_then_key( @_ );
 140 }
 141 %}
 142
 143 /* Xapian::ESet */
 144 %extend Xapian::ESet {
 145 Xapian::ESetIterator FETCH(int index) {
 146     return ((*self)[index]);
 147 }
 148 }
 149
 150 /* Xapian::ESetIterator */
 151 %extend Xapian::ESetIterator {
 152 std::string get_termname() {
 153     return self->operator*();
 154 }
 155
 156 bool equal(Xapian::ESetIterator * that) {
 157     return ((*self) == (*that));
 158 }
 159
 160 bool nequal(Xapian::ESetIterator * that) {
 161     return ((*self) != (*that));
 162 }
 163 }
 164
 165 /* Xapian::MSet */
 166 %extend Xapian::MSet {
 167 Xapian::MSetIterator FETCH(int index) {
 168     return ((*self)[index]);
 169 }
 170 }
 171
 172 /* Xapian::MSetIterator */
 173 %extend Xapian::MSetIterator {
 174 bool equal(Xapian::MSetIterator * that) {
 175      return ((*self) == (*that));
 176 }
 177
 178 bool nequal(Xapian::MSetIterator * that) {
 179      return ((*self) != (*that));
 180 }
 181 }
 182
 183 /* Xapian::PositionIterator */
 184 %extend Xapian::PositionIterator {
 185 bool equal1(Xapian::PositionIterator * that) {
 186      return ((*self) == (*that));
 187 }
 188
 189 bool nequal1(Xapian::PositionIterator * that) {
 190      return ((*self) != (*that));
 191 }
 192 }
 193
 194 /* Xapian::PostingIterator */
 195 %extend Xapian::PostingIterator {
 196 bool equal(Xapian::PostingIterator * that) {
 197      return ((*self) == (*that));
 198 }
 199
 200 bool nequal(Xapian::PostingIterator * that) {
 201      return ((*self) != (*that));
 202 }
 203 }
 204
 205 /* Xapian::Query */
 206 %feature("shadow") Xapian::Query::Query
 207 %{
 208 sub new {
 209   my $class = shift;
 210   my $query;
 211
 212   if( @_ <= 1 ) {
 213     $query = Xapianc::new_Query(@_);
 214   } else {
 215     use Carp;
 216     my $op = $_[0];
 217     if( $op !~ /^\d+$/ ) {
 218         Carp::croak( "USAGE: $class->new('term') or $class->new(OP, <args>)" );
 219     }
 220     if( $op == 8 ) { # FIXME: 8 is OP_VALUE_RANGE; eliminate hardcoded literal
 221       if( @_ != 4 ) {
 222         Carp::croak( "USAGE: $class->new(OP_VALUE_RANGE, VALNO, START, END)" );
 223       }
 224       $query = Xapianc::new_Query( @_ );
 225     } elsif( $op == 9 ) { # FIXME: OP_SCALE_WEIGHT
 226       if( @_ != 3 ) {
 227         Carp::croak( "USAGE: $class->new(OP_SCALE_WEIGHT, QUERY, FACTOR)" );
 228       }
 229       $query = Xapianc::new_Query( @_ );
 230     } elsif( $op == 11 || $op == 12 ) { # FIXME: OP_VALUE_GE, OP_VALUE_LE; eliminate hardcoded literals
 231       if( @_ != 3 ) {
 232         Carp::croak( "USAGE: $class->new(OP_VALUE_[GL]E, VALNO, LIMIT)" );
 233       }
 234       $query = Xapianc::new_Query( @_ );
 235     } else {
 236       shift @_;
 237       $query = Xapian::newN( $op, \@_ );
 238     }
 239   }
 240   return $query;
 241 }
 242 %}
 243
 244 %typemap(in) SV ** {
 245         AV *tempav;
 246         I32 len;
 247         int i;
 248         SV  **tv;
 249         if (!SvROK($input))
 250             croak("Argument $argnum is not a reference.");
 251         if (SvTYPE(SvRV($input)) != SVt_PVAV)
 252             croak("Argument $argnum is not an array.");
 253         tempav = (AV*)SvRV($input);
 254         len = av_len(tempav);
 255         $1 = (SV **) malloc((len+2)*sizeof(SV *));
 256         for (i = 0; i <= len; i++) {
 257             tv = av_fetch(tempav, i, 0);
 258             $1[i] = *tv;
 259         }
 260         $1[i] = NULL;
 261 };
 262
 263 %typemap(freearg) SV ** {
 264         free($1);
 265 }
 266
 267 %{
 268 class XapianSWIGQueryItor {
 269     AV * array;
 270
 271     int i;
 272
 273   public:
 274     XapianSWIGQueryItor() { }
 275
 276     void begin(AV * array_) {
 277         array = array_;
 278         i = 0;
 279     }
 280
 281     void end(int n) {
 282         i = n;
 283     }
 284
 285     XapianSWIGQueryItor & operator++() {
 286         ++i;
 287         return *this;
 288     }
 289
 290     Xapian::Query operator*() const {
 291         SV **svp = av_fetch(array, i, 0);
 292         if( svp == NULL )
 293             croak("Unexpected NULL returned by av_fetch()");
 294         SV *sv = *svp;
 295
 296         if ( sv_isa(sv, "Xapian::Query")) {
 297             Xapian::Query *q;
 298             SWIG_ConvertPtr(sv, (void **)&q, SWIGTYPE_p_Xapian__Query, 0);
 299             return *q;
 300         }
 301
 302         if ( SvOK(sv) ) {
 303             STRLEN len;
 304             const char * ptr = SvPV(sv, len);
 305             return Xapian::Query(string(ptr, len));
 306         }
 307
 308         croak( "USAGE: Xapian::Query->new(OP, @TERMS_OR_QUERY_OBJECTS)" );
 309     }
 310
 311     bool operator==(const XapianSWIGQueryItor & o) {
 312         return i == o.i;
 313     }
 314
 315     bool operator!=(const XapianSWIGQueryItor & o) {
 316         return !(*this == o);
 317     }
 318
 319     typedef std::input_iterator_tag iterator_category;
 320     typedef Xapian::Query value_type;
 321     typedef Xapian::termcount_diff difference_type;
 322     typedef Xapian::Query * pointer;
 323     typedef Xapian::Query & reference;
 324 };
 325
 326 %}
 327
 328 %inline %{
 329 Xapian::Query * newN(int op_, SV *q_) {
 330     Xapian::Query::op op = (Xapian::Query::op)op_;
 331     XapianSWIGQueryItor b, e;
 332
 333     AV *q = (AV *) SvRV(q_);
 334
 335     b.begin(q);
 336     e.end(av_len(q) + 1);
 337
 338     try {
 339         return new Xapian::Query(op, b, e);
 340     } catch (const Xapian::Error &error) {
 341         croak( "Exception: %s", error.get_msg().c_str() );
 342     }
 343 }
 344 %}
 345
 346 /* Xapian::QueryParser */
 347 %feature("shadow") Xapian::QueryParser::QueryParser
 348 %{
 349 sub new {
 350   my $class = shift;
 351   my $qp = Xapianc::new_QueryParser();
 352
 353   bless $qp, $class;
 354   $qp->set_database(@_) if scalar(@_) == 1;
 355
 356   return $qp;
 357 }
 358 %}
 359
 360 %feature("shadow") Xapian::QueryParser::set_stopper
 361 %{
 362 sub set_stopper {
 363     my ($self, $stopper) = @_;
 364     $self{_stopper} = $stopper;
 365     Xapianc::QueryParser_set_stopper( @_ );
 366 }
 367 %}
 368
 369 %feature("shadow") Xapian::QueryParser::add_valuerangeprocessor
 370 %{
 371 sub add_valuerangeprocessor {
 372     my ($self, $vrproc) = @_;
 373     push @{$self{_vrproc}}, $vrproc;
 374     Xapianc::QueryParser_add_valuerangeprocessor( @_ );
 375 }
 376 %}
 377
 378 /* Xapian::SimpleStopper */
 379 %feature("shadow") Xapian::SimpleStopper::SimpleStopper
 380 %{
 381 sub new {
 382     my $class = shift;
 383     my $stopper = Xapianc::new_SimpleStopper();
 384
 385     bless $stopper, $class;
 386     foreach (@_) {
 387         $stopper->add($_);
 388     }
 389
 390     return $stopper;
 391 }
 392 %}
 393
 394 %extend Xapian::SimpleStopper {
 395 bool stop_word(std::string term) {
 396      return (*self)(term);
 397 }
 398 }
 399
 400 /* Xapian::Stem */
 401 %extend Xapian::Stem {
 402 std::string stem_word(std::string word) {
 403             return (*self)(word);
 404 }
 405 }
 406
 407 /* Xapian::TermIterator */
 408 %rename(get_termname) Xapian::TermIterator::get_term;
 409
 410 %extend Xapian::TermIterator {
 411 bool equal(Xapian::TermIterator * that) {
 412      return ((*self) == (*that));
 413 }
 414
 415 bool nequal(Xapian::TermIterator * that) {
 416      return ((*self) != (*that));
 417 }
 418 }
 419
 420 /* Xapian::ValueIterator */
 421 %extend Xapian::ValueIterator {
 422 bool equal(Xapian::ValueIterator * that) {
 423      return ((*self) == (*that));
 424 }
 425
 426 bool nequal(Xapian::ValueIterator * that) {
 427      return ((*self) != (*that));
 428 }
 429 }
 430
 431 /* Xapian::WritableDatabase */
 432 %rename(replace_document_by_term) \
 433         Xapian::WritableDatabase::replace_document(const std::string &,
 434                                                    const Xapian::Document &);
 435 %rename(delete_document_by_term) \
 436         Xapian::WritableDatabase::delete_document(const std::string &);
 437
 438 %feature("shadow") Xapian::WritableDatabase::WritableDatabase
 439 %{
 440 sub new {
 441   my $pkg = shift;
 442   my $self;
 443   if( scalar(@_) == 0 ) {
 444     # For compatibility with Search::Xapian
 445     @_ = ('', $Xapianc::DB_BACKEND_INMEMORY);
 446   }
 447   $self = Xapianc::new_WritableDatabase(@_);
 448   bless $self, $pkg if defined($self);
 449 }
 450 %}
 451
 452 %include util.i
 453 %include except.i
 454 %include ../xapian-headers.i