Added rpn_facet which does little at this stage.

[idzebra-moved-to-github.git] / index / rpnscan.c

diff --git a/index/rpnscan.c b/index/rpnscan.c
index d484132..670a30d 100644 (file)
--- a/index/rpnscan.c
+++ b/index/rpnscan.c
@@ -1,4 +1,4 @@
-/* $Id: rpnscan.c,v 1.13 2007-09-18 18:57:29 adam Exp $
+/* $Id: rpnscan.c,v 1.19 2007-11-01 14:56:07 adam Exp $
    Copyright (C) 1995-2007
    Index Data ApS
 
@@ -41,11 +41,11 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 #define RPN_MAX_ORDS 32
 
-int log_scan = YLOG_LOG;
+static int log_scan = YLOG_LOG;
 
 /* convert APT SCAN term to internal cmap */
 static ZEBRA_RES trans_scan_term(ZebraHandle zh, Z_AttributesPlusTerm *zapt,
-                                char *termz, int reg_type)
+                                char *termz, zebra_map_t zm)
 {
     char termz0[IT_MAX_WORD];
 
@@ -63,7 +63,7 @@ static ZEBRA_RES trans_scan_term(ZebraHandle zh, Z_AttributesPlusTerm *zapt,
             
         while ((len = (cp_end - cp)) > 0)
         {
-            map = zebra_maps_input(zh->reg->zebra_maps, reg_type, &cp, len, 0);
+            map = zebra_maps_input(zm, &cp, len, 0);
             if (**map == *CHR_SPACE)
                 space_map = *map;
             else
@@ -81,7 +81,7 @@ static ZEBRA_RES trans_scan_term(ZebraHandle zh, Z_AttributesPlusTerm *zapt,
     return ZEBRA_OK;
 }
 
-static void count_set(ZebraHandle zh, RSET rset, zint *count)
+static void count_set(ZebraHandle zh, RSET rset, zint *count, zint approx_limit)
 {
     zint psysno = 0;
     struct it_key key;
@@ -89,7 +89,7 @@ static void count_set(ZebraHandle zh, RSET rset, zint *count)
 
     yaz_log(YLOG_DEBUG, "count_set");
 
-    rset->hits_limit = zh->approx_limit;
+    rset->hits_limit = approx_limit;
 
     *count = 0;
     rfd = rset_open(rset, RSETF_READ);
@@ -102,7 +102,7 @@ static void count_set(ZebraHandle zh, RSET rset, zint *count)
                break;
         }
     }
-    rset_close (rfd);
+    rset_close(rfd);
     *count = rset->hits_count;
 }
 
@@ -140,7 +140,7 @@ static void get_first_snippet_from_rset(ZebraHandle zh,
             }
         }
     }
-    rset_close (rfd);
+    rset_close(rfd);
 }
 
 struct scan2_info_entry {
@@ -160,7 +160,7 @@ static int scan_handle2(char *name, const char *info, int pos, void *client)
         return 0;
 
     len_prefix = strlen(scan_info->prefix);
-    if (memcmp (name, scan_info->prefix, len_prefix))
+    if (memcmp(name, scan_info->prefix, len_prefix))
         return 1;
 
     /* skip special terms such as first-in-field specials */
@@ -170,8 +170,8 @@ static int scan_handle2(char *name, const char *info, int pos, void *client)
     wrbuf_rewind(scan_info->term);
     wrbuf_puts(scan_info->term, name+len_prefix);
 
-    assert (*info == sizeof(ISAM_P));
-    memcpy (&scan_info->isam_p, info+1, sizeof(ISAM_P));
+    assert(*info == sizeof(ISAM_P));
+    memcpy(&scan_info->isam_p, info+1, sizeof(ISAM_P));
     return 0;
 }
 
@@ -181,12 +181,21 @@ static int scan_save_set(ZebraHandle zh, ODR stream, NMEM nmem,
                          Z_AttributesPlusTerm *zapt,
                          RSET limit_set,
                          const char *term, 
-                         int index_type,
+                         const char *index_type,
                          struct scan2_info_entry *ar, int ord_no,
                          ZebraScanEntry *glist, int pos)
 {
     int i;
     RSET rset = 0;
+    zint approx_limit = zh->approx_limit;
+    AttrType global_hits_limit_attr;
+    int l;
+    attr_init_APT(&global_hits_limit_attr, zapt, 12);
+            
+    l = attr_find(&global_hits_limit_attr, NULL);
+    if (l != -1)
+        approx_limit = l;
+    
     for (i = 0; i < ord_no; i++)
     {
         if (ar[i].isam_p && strcmp(wrbuf_cstr(ar[i].term), term) == 0)
@@ -202,7 +211,7 @@ static int scan_save_set(ZebraHandle zh, ODR stream, NMEM nmem,
                     wrbuf_buf(ar[i].term), wrbuf_len(ar[i].term),
                     NULL, 1, zapt->term->which, nmem, 
                     kc, kc->scope, ol, index_type, 
-                    0 /* hits_limit */,
+                    0 /* hits_limit_value */,
                     0 /* term_ref_id_str */);
             if (!rset)
                 rset = rset_t;
@@ -231,7 +240,7 @@ static int scan_save_set(ZebraHandle zh, ODR stream, NMEM nmem,
             rset = rset_create_and(nmem, kc, kc->scope, 2, rsets);
         }
         /* count it */
-        count_set(zh, rset, &count);
+        count_set(zh, rset, &count, approx_limit);
 
         if (pos != -1)
         {
@@ -271,17 +280,19 @@ static int scan_save_set(ZebraHandle zh, ODR stream, NMEM nmem,
     }
     return 0;
 }
-        
-static ZEBRA_RES rpn_scan_ver2(ZebraHandle zh, ODR stream, NMEM nmem,
+
+static ZEBRA_RES rpn_scan_norm(ZebraHandle zh, ODR stream, NMEM nmem,
                                struct rset_key_control *kc,
                                Z_AttributesPlusTerm *zapt,
                                int *position, int *num_entries, 
                                ZebraScanEntry **list,
                                int *is_partial, RSET limit_set,
-                               int index_type, int ord_no, int *ords)
+                               const char *index_type,
+                               int ord_no, int *ords)
 {
     struct scan2_info_entry *ar = nmem_malloc(nmem, sizeof(*ar) * ord_no);
     struct rpn_char_map_info rcmi;
+    zebra_map_t zm = zebra_map_get(zh->reg->zebra_maps, index_type);
     int i, dif;
     int after_pos;
     int pos = 0;
@@ -297,7 +308,7 @@ static ZEBRA_RES rpn_scan_ver2(ZebraHandle zh, ODR stream, NMEM nmem,
         *num_entries = 0;
         return ZEBRA_OK;
     }
-    rpn_char_map_prepare (zh->reg, index_type, &rcmi);
+    rpn_char_map_prepare(zh->reg, zm, &rcmi);
 
     for (i = 0; i < ord_no; i++)
        ar[i].term = wrbuf_alloc();
@@ -307,11 +318,11 @@ static ZEBRA_RES rpn_scan_ver2(ZebraHandle zh, ODR stream, NMEM nmem,
         char termz[IT_MAX_WORD+20];
         int prefix_len = 0;
         
-        prefix_len = key_SU_encode (ords[i], termz);
+        prefix_len = key_SU_encode(ords[i], termz);
         termz[prefix_len] = 0;
         strcpy(ar[i].prefix, termz);
         
-        if (trans_scan_term(zh, zapt, termz+prefix_len, index_type) == 
+        if (trans_scan_term(zh, zapt, termz+prefix_len, zm) == 
             ZEBRA_FAIL)
         {
             for (i = 0; i < ord_no; i++)
@@ -377,11 +388,11 @@ static ZEBRA_RES rpn_scan_ver2(ZebraHandle zh, ODR stream, NMEM nmem,
         char termz[IT_MAX_WORD+20];
         int prefix_len = 0;
         
-        prefix_len = key_SU_encode (ords[i], termz);
+        prefix_len = key_SU_encode(ords[i], termz);
         termz[prefix_len] = 0;
         strcpy(ar[i].prefix, termz);
         
-        if (trans_scan_term(zh, zapt, termz+prefix_len, index_type) == 
+        if (trans_scan_term(zh, zapt, termz+prefix_len, zm) == 
             ZEBRA_FAIL)
             return ZEBRA_FAIL;
         wrbuf_rewind(ar[i].term);
@@ -467,7 +478,7 @@ ZEBRA_RES rpn_scan(ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt,
     int base_no;
     int ords[RPN_MAX_ORDS], ord_no = 0;
 
-    unsigned index_type;
+    const char *index_type;
     char *search_type = NULL;
     char rank_type[128];
     int complete_flag;
@@ -504,7 +515,7 @@ ZEBRA_RES rpn_scan(ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt,
             else
                 termset_name = termset_value_string;
             
-            limit_set = resultSetRef (zh, termset_name);
+            limit_set = resultSetRef(zh, termset_name);
 
             if (!limit_set)
             {
@@ -536,7 +547,7 @@ ZEBRA_RES rpn_scan(ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt,
     {
        int ord;
 
-       if (zebraExplain_curDatabase (zh->reg->zei, basenames[base_no]))
+       if (zebraExplain_curDatabase(zh->reg->zei, basenames[base_no]))
        {
            zebra_setError(zh, YAZ_BIB1_DATABASE_UNAVAILABLE,
                           basenames[base_no]);
@@ -561,9 +572,14 @@ ZEBRA_RES rpn_scan(ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt,
     nmem = nmem_create();
     kc = zebra_key_control_create(zh);
 
-    res = rpn_scan_ver2(zh, stream, nmem, kc, zapt, position, num_entries,
+    if (sort_flag)
+        res = rpn_facet(zh, stream, nmem, kc, zapt, position, num_entries,
                         list,
                         is_partial, limit_set, index_type, ord_no, ords);
+    else
+        res = rpn_scan_norm(zh, stream, nmem, kc, zapt, position, num_entries,
+                            list,
+                            is_partial, limit_set, index_type, ord_no, ords);
     nmem_destroy(nmem);
     (*kc->dec)(kc);
     return res;