X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;ds=sidebyside;f=index%2Fzrpn.c;h=e87cf464d07f2051bb55b24711e85e6969cc9e1e;hb=43506dd0ff92373604bb7288e2dcc943b2c1d524;hp=249e7e9655de70776608988611d732a79219aa8d;hpb=01ddc55fd5a59535e229c09440cfdadccadf3555;p=idzebra-moved-to-github.git

diff --git a/index/zrpn.c b/index/zrpn.c
index 249e7e9..e87cf46 100644
--- a/index/zrpn.c
+++ b/index/zrpn.c
@@ -4,7 +4,16 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: zrpn.c,v $
- * Revision 1.95  1999-09-07 07:19:21  adam
+ * Revision 1.98  1999-11-30 13:48:04  adam
+ * Improved installation. Updated for inclusion of YAZ header files.
+ *
+ * Revision 1.97  1999/10/14 14:33:50  adam
+ * Added truncation 5=106.
+ *
+ * Revision 1.96  1999/09/23 10:05:05  adam
+ * Implemented structure=105 searching.
+ *
+ * Revision 1.95  1999/09/07 07:19:21  adam
  * Work on character mapping. Implemented replace rules.
  *
  * Revision 1.94  1999/07/20 13:59:18  adam
@@ -442,7 +451,7 @@ struct grep_info {
 #ifdef TERM_COUNT        
     int *term_no;        
 #endif        
-    ISAM_P *isam_p_buf;
+    ISAMS_P *isam_p_buf;
     int isam_p_size;        
     int isam_p_indx;
     ZebraHandle zh;
@@ -469,12 +478,12 @@ static void add_isam_p (const char *name, const char *info,
 {
     if (p->isam_p_indx == p->isam_p_size)
     {
-        ISAM_P *new_isam_p_buf;
+        ISAMS_P *new_isam_p_buf;
 #ifdef TERM_COUNT        
         int *new_term_no;        
 #endif
         p->isam_p_size = 2*p->isam_p_size + 100;
-        new_isam_p_buf = (ISAM_P *) xmalloc (sizeof(*new_isam_p_buf) *
+        new_isam_p_buf = (ISAMS_P *) xmalloc (sizeof(*new_isam_p_buf) *
 					     p->isam_p_size);
         if (p->isam_p_buf)
         {
@@ -714,6 +723,58 @@ static int term_104 (ZebraMaps zebra_maps, int reg_type,
     return i;
 }
 
+/* term_105/106: handle term, where trunc=Process # and ! and right trunc */
+static int term_105 (ZebraMaps zebra_maps, int reg_type,
+		     const char **src, char *dst, int space_split,
+		     char *dst_term, int right_truncate)
+{
+    const char *s0, *s1;
+    const char **map;
+    int i = 0;
+    int j = 0;
+
+    if (!term_pre (zebra_maps, reg_type, src, "*!", "*!"))
+        return 0;
+    s0 = *src;
+    while (*s0)
+    {
+        if (*s0 == '*')
+        {
+            dst[i++] = '.';
+            dst[i++] = '+';
+	    dst_term[j++] = *s0++;
+        }
+        else if (*s0 == '!')
+	{
+            dst[i++] = '.';
+	    dst_term[j++] = *s0++;
+	}
+        {
+            s1 = s0;
+            map = zebra_maps_input (zebra_maps, reg_type, &s0, strlen(s0));
+            if (space_split && **map == *CHR_SPACE)
+                break;
+            while (s1 < s0)
+            {
+                if (!isalnum (*s1))
+                    dst[i++] = '\\';
+		dst_term[j++] = *s1;
+                dst[i++] = *s1++;
+            }
+        }
+    }
+    if (right_truncate)
+    {
+        dst[i++] = '.';
+        dst[i++] = '*';
+    }
+    dst[i] = '\0';
+    
+    dst_term[j++] = '\0';
+    *src = s0;
+    return i;
+}
+
 
 /* gen_regular_rel - generate regular expression from relation
  *  val:     border value (inclusive)
@@ -1198,6 +1259,28 @@ static int string_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt,
 	    if (r)
 		logf (LOG_WARN, "dict_lookup_grep err, trunc=#/!: %d", r);
 	    break;
+	case 105:        /* process * and ! in term */
+	    term_dict[j++] = '(';
+	    if (!term_105 (zh->zebra_maps, reg_type,
+			   &termp, term_dict + j, space_split, term_dst, 1))
+		return 0;
+	    strcat (term_dict, ")");
+	    r = dict_lookup_grep (zh->dict, term_dict, 0, grep_info,
+				  &max_pos, 0, grep_handle);
+	    if (r)
+		logf (LOG_WARN, "dict_lookup_grep err, trunc=*/!: %d", r);
+	    break;
+	case 106:        /* process * and ! in term */
+	    term_dict[j++] = '(';
+	    if (!term_105 (zh->zebra_maps, reg_type,
+			   &termp, term_dict + j, space_split, term_dst, 0))
+		return 0;
+	    strcat (term_dict, ")");
+	    r = dict_lookup_grep (zh->dict, term_dict, 0, grep_info,
+				  &max_pos, 0, grep_handle);
+	    if (r)
+		logf (LOG_WARN, "dict_lookup_grep err, trunc=*/!: %d", r);
+	    break;
         }
     }
     *term_sub = termp;
@@ -1494,6 +1577,9 @@ char *normalize_term(ZebraHandle zh, Z_AttributesPlusTerm *zapt,
     case 104:
 	ex_list = "!#";
 	break;
+    case 105:
+	ex_list = "!*";
+	break;
     }
     if (ex_list)
 	wrbuf = zebra_replace(zh->zebra_maps, reg_id, ex_list,
@@ -2271,7 +2357,7 @@ RSET rpn_search (ZebraHandle zh, NMEM nmem,
 
 struct scan_info_entry {
     char *term;
-    ISAM_P isam_p;
+    ISAMS_P isam_p;
 };
 
 struct scan_info {
@@ -2295,8 +2381,8 @@ static int scan_handle (char *name, const char *info, int pos, void *client)
     scan_info->list[idx].term = (char *)
 	odr_malloc (scan_info->odr, strlen(name + len_prefix)+1);
     strcpy (scan_info->list[idx].term, name + len_prefix);
-    assert (*info == sizeof(ISAM_P));
-    memcpy (&scan_info->list[idx].isam_p, info+1, sizeof(ISAM_P));
+    assert (*info == sizeof(ISAMS_P));
+    memcpy (&scan_info->list[idx].isam_p, info+1, sizeof(ISAMS_P));
     return 0;
 }