Work on EXPLAIN schema. First implementation of sub-schema facility

[yaz-moved-to-github.git] / retrieval / d1_attset.c

diff --git a/retrieval/d1_attset.c b/retrieval/d1_attset.c
index 2165004..b747942 100644 (file)
--- a/retrieval/d1_attset.c
+++ b/retrieval/d1_attset.c
@@ -1,10 +1,25 @@
 /*
- * Copyright (c) 1995, Index Data.
+ * Copyright (c) 1995-1997, Index Data.
  * See the file LICENSE for details.
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: d1_attset.c,v $
- * Revision 1.2  1995-11-01 16:34:55  quinn
+ * Revision 1.7  1997-09-17 12:10:34  adam
+ * YAZ version 1.4.
+ *
+ * Revision 1.6  1997/09/05 09:50:56  adam
+ * Removed global data1_tabpath - uses data1_get_tabpath() instead.
+ *
+ * Revision 1.5  1996/05/09 07:27:43  quinn
+ * Multiple local attributes values supported.
+ *
+ * Revision 1.4  1996/02/21  15:23:36  quinn
+ * Reversed fclose and return;
+ *
+ * Revision 1.3  1995/12/13  17:14:26  quinn
+ * *** empty log message ***
+ *
+ * Revision 1.2  1995/11/01  16:34:55  quinn
  * Making data1 look for tables in data1_tabpath
  *
  * Revision 1.1  1995/11/01  11:56:07  quinn
@@ -18,13 +33,12 @@
 #include <assert.h>
 #include <stdlib.h>
 
-#include <xmalloc.h>
 #include <log.h>
 #include <d1_attset.h>
 #include <data1.h>
 #include <tpath.h>
 
-data1_att *data1_getattbyname(data1_attset *s, char *name)
+data1_att *data1_getattbyname(data1_handle dh, data1_attset *s, char *name)
 {
     data1_att *r;
 
@@ -32,30 +46,30 @@ data1_att *data1_getattbyname(data1_attset *s, char *name)
     {
        /* scan local set */
        for (r = s->atts; r; r = r->next)
-           if (!strcmp(r->name, name))
+           if (!data1_matchstr(r->name, name))
                return r;
        /* scan included sets */
-       if (s->children && (r = data1_getattbyname(s->children, name)))
+       if (s->children && (r = data1_getattbyname (dh, s->children, name)))
            return r;
     }
     return 0;
 }
 
-data1_attset *data1_read_attset(char *file)
+data1_attset *data1_read_attset(data1_handle dh, char *file)
 {
     char line[512], *r, cmd[512], args[512];
     data1_attset *res = 0, **childp;
     data1_att **attp;
     FILE *f;
+    NMEM mem = data1_nmem_get (dh);
 
-    if (!(f = yaz_path_fopen(data1_tabpath, file, "r")))
+    if (!(f = yaz_path_fopen(data1_get_tabpath(dh), file, "r")))
     {
        logf(LOG_WARN|LOG_ERRNO, "%s", file);
        return 0;
     }
 
-    if (!(res = xmalloc(sizeof(*res))))
-       abort();
+    res = nmem_malloc(mem, sizeof(*res));
     res->name = 0;
     res->reference = VAL_NONE;
     res->ordinal = -1;
@@ -75,34 +89,49 @@ data1_attset *data1_read_attset(char *file)
        }
        if (!r)
        {
-           return res;
            fclose(f);
+           return res;
        }
        if (sscanf(r, "%s %[^\n]", cmd, args) < 2)
            *args = '\0';
        if (!strcmp(cmd, "att"))
        {
-           int num, local, rr;
-           char name[512];
+           int num, rr;
+           char name[512], localstr[512];
            data1_att *t;
+           data1_local_attribute *locals;
 
-           if ((rr = sscanf(args, "%d %s %d", &num, name, &local)) < 2)
+           if ((rr = sscanf(args, "%511d %s %511s", &num, name, localstr)) < 2)
            {
                logf(LOG_WARN, "Not enough arguments to att in '%s' in %s",
                    args, file);
                fclose(f);
                return 0;
            }
-           if (rr < 3)
-               local = num;
-           if (!(t = *attp = xmalloc(sizeof(*t))))
-               abort();
+           if (rr < 3) /* no local attributes given */
+           {
+               locals = nmem_malloc(mem, sizeof(*locals));
+               locals->local = num;
+               locals->next = 0;
+           }
+           else /* parse the string "local{,local}" */
+           {
+               char *p = localstr;
+               data1_local_attribute **ap = &locals;
+               do
+               {
+                   *ap = nmem_malloc(mem, sizeof(**ap));
+                   (*ap)->local = atoi(p);
+                   (*ap)->next = 0;
+                   ap = &(*ap)->next;
+               }
+               while ((p = strchr(p, ',')) && *(++p));
+           }
+           t = *attp = nmem_malloc(mem, sizeof(*t));
            t->parent = res;
-           if (!(t->name = xmalloc(strlen(name)+1)))
-               abort();
-           strcpy(t->name, name);
+           t->name = nmem_strdup(mem, name);
            t->value = num;
-           t->local = local;
+           t->locals = locals;
            t->next = 0;
            attp = &t->next;
        }
@@ -116,9 +145,7 @@ data1_attset *data1_read_attset(char *file)
                fclose(f);
                return 0;
            }
-           if (!(res->name = xmalloc(strlen(args)+1)))
-               abort();
-           strcpy(res->name, name);
+           res->name = nmem_strdup(mem, args);
        }
        else if (!strcmp(cmd, "reference"))
        {
@@ -156,7 +183,7 @@ data1_attset *data1_read_attset(char *file)
                fclose(f);
                return 0;
            }
-           if (!(*childp = data1_read_attset(name)))
+           if (!(*childp = data1_read_attset (dh, name)))
            {
                logf(LOG_WARN, "Inclusion failed in %s", file);
                fclose(f);