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#include "global.h" 
#include "stralloc.h" 
#include "global.h" 
RCSID("$Id: whitefish.c,v 1.3 2001/05/22 13:29:21 per Exp $"); 
#include "pike_macros.h" 
#include "interpret.h" 
#include "program.h" 
#include "program_id.h" 
#include "object.h" 
#include "operators.h" 
 
#include "config.h" 
 
#include "whitefish.h" 
#include "resultset.h" 
#include "blob.h" 
 
/* must be included last */ 
#include "module_magic.h" 
 
 
static void f_do_query_merge( INT32 args ) 
/*! @decl ResultSet do_query_merge( array(int) musthave,          @ 
 *!                          array(int) field_coefficients,       @ 
 *!                          array(int) proximity_coefficients,   @ 
 *!                          function(int:string) blobfeeder,     @ 
 *!                          int field) 
 *!       @[musthave] 
 *!        
 *!          Arrays of word ids. Note that the order is significant 
 *!          for the ranking. 
 *! 
 *!       @[field_coefficients] 
 *! 
 *!       An array of ranking coefficients for the different fields.  
 *!       In the range of [0x0000-0xffff]. The array (always) has 68 
 *!       elements: 
 *! 
 *!       Index        Coefficient for field 
 *!       -----        --------------------- 
 *!       0..63        Special field 0..63 
 *!       64           Large body text 
 *!       65           Medium body text 
 *!       66           Small body text 
 *!       67           Anchor 
 *! 
 *!       @[proximity_coefficients] 
 *! 
 *!         An array of ranking coefficients for the different 
 *!         proximity categories. Always has 8 elements, in the range 
 *!         of [0x0000-0xffff]. 
 *!       
 *!      Index       Meaning 
 *!      -----       ------- 
 *!      0           spread: 0 (Perfect hit) 
 *!      1           spread: 1-5 
 *!      2           spread: 6-10                                  
 *!      3           spread: 11-20 
 *!      4           spread: 21-40 
 *!      5           spread: 41-80 
 *!      6           spread: 81-160 
 *!      7           spread: 161- 
 *! 
 *!      The 'spread' value should be defined somehow. 
 *!       
 *!     @[blobfeeder] 
 *!      
 *!      This function returns a Pike string containing the word hits 
 *!      for a certain word_id. Call repeatedly until it returns 0. 
 *! 
 *!     @[field] 
 *! 
 *!         Selects what fields to match words in. Should be -1 to 
 *!         match any field.  
 *!        
 *!       Index        Field 
 *!       -----        --------------------- 
 *!       -1           Any field 
 *!       0..63        Special field 0..63 
 *!       64           Body text 
 */ 
{ 
  int proximity_coefficients[8]; 
  int field_cofficients[68]; 
 
  Blob *blobs; 
} 
 
void pike_module_init(void) 
{ 
  init_resultset_program(); 
 
  add_function( "do_query_merge", f_do_query_merge, 
                "function(array(int),array(int),array(int)" 
                ",function(int:string),int", 
                0 ); 
} 
 
void pike_module_exit(void) 
{ 
  exit_resultset_program(); 
}