Minor changes.

[yaz-moved-to-github.git] / retrieval / d1_absyn.c

diff --git a/retrieval/d1_absyn.c b/retrieval/d1_absyn.c
index 006bb58..7813015 100644 (file)
--- a/retrieval/d1_absyn.c
+++ b/retrieval/d1_absyn.c
@@ -1,10 +1,27 @@
 /*
- * Copyright (c) 1995-1997, Index Data.
+ * Copyright (c) 1995-1998, Index Data.
  * See the file LICENSE for details.
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: d1_absyn.c,v $
- * Revision 1.17  1998-02-11 11:53:34  adam
+ * Revision 1.21  1998-06-09 13:55:07  adam
+ * Minor changes.
+ *
+ * Revision 1.20  1998/05/18 13:07:02  adam
+ * Changed the way attribute sets are handled by the retriaval module.
+ * Extended Explain conversion / schema.
+ * Modified server and client to work with ASN.1 compiled protocol handlers.
+ *
+ * Revision 1.19  1998/03/05 08:15:32  adam
+ * Implemented data1_add_insert_taggeddata utility which is more flexible
+ * than data1_insert_taggeddata.
+ *
+ * Revision 1.18  1998/02/27 14:08:04  adam
+ * Added const to some char pointer arguments.
+ * Reworked data1_read_node so that it doesn't create a tree with
+ * pointers to original "SGML"-buffer.
+ *
+ * Revision 1.17  1998/02/11 11:53:34  adam
  * Changed code so that it compiles as C++.
  *
  * Revision 1.16  1997/12/18 10:51:30  adam
@@ -85,6 +102,13 @@ struct data1_absyn_cache_info
     data1_absyn_cache next;
 };
 
+struct data1_attset_cache_info 
+{
+    char *name;
+    data1_attset *attset;
+    data1_attset_cache next;
+};
+
 data1_absyn *data1_absyn_search (data1_handle dh, const char *name)
 {
     data1_absyn_cache p = *data1_absyn_cache_get (dh);
@@ -98,6 +122,18 @@ data1_absyn *data1_absyn_search (data1_handle dh, const char *name)
     return NULL;
 }
 
+void data1_absyn_trav (data1_handle dh, void *handle,
+                      void (*fh)(data1_handle dh, void *h, data1_absyn *a))
+{
+    data1_absyn_cache p = *data1_absyn_cache_get (dh);
+
+    while (p)
+    {
+       (*fh)(dh, handle, p->absyn);
+       p = p->next;
+    }
+}
+
 data1_absyn *data1_absyn_add (data1_handle dh, const char *name)
 {
     char fname[512];
@@ -114,7 +150,7 @@ data1_absyn *data1_absyn_add (data1_handle dh, const char *name)
     return p->absyn;
 }
 
-data1_absyn *data1_get_absyn (data1_handle dh, char *name)
+data1_absyn *data1_get_absyn (data1_handle dh, const char *name)
 {
     data1_absyn *absyn;
 
@@ -123,8 +159,75 @@ data1_absyn *data1_get_absyn (data1_handle dh, char *name)
     return absyn;
 }
 
+data1_attset *data1_attset_search_name (data1_handle dh, const char *name)
+{
+    data1_attset_cache p = *data1_attset_cache_get (dh);
+
+    while (p)
+    {
+       if (!strcmp (name, p->name))
+           return p->attset;
+       p = p->next;
+    }
+    return NULL;
+}
+
+data1_attset *data1_attset_search_id (data1_handle dh, int id)
+{
+    data1_attset_cache p = *data1_attset_cache_get (dh);
+
+    while (p)
+    {
+       if (id == p->attset->reference)
+           return p->attset;
+       p = p->next;
+    }
+    return NULL;
+}
+
+data1_attset *data1_attset_add (data1_handle dh, const char *name)
+{
+    char fname[512], aname[512];
+    NMEM mem = data1_nmem_get (dh);
+    data1_attset *attset;
+
+    strcpy (aname, name);
+    sprintf(fname, "%s.att", name);
+    attset = data1_read_attset (dh, fname);
+    if (!attset)
+    {
+       char *cp;
+       attset = data1_read_attset (dh, name);
+       if (attset && (cp = strrchr (aname, '.')))
+           *cp = '\0';
+    }
+    if (!attset)
+       logf (LOG_WARN|LOG_ERRNO, "couldn't load attribute set %s", name);
+    else
+    {
+       data1_attset_cache p = (data1_attset_cache)
+           nmem_malloc (mem, sizeof(*p));
+       data1_attset_cache *pp = data1_attset_cache_get (dh);
+       
+       attset->name = p->name = nmem_strdup (mem, aname);
+       p->attset = attset;
+       p->next = *pp;
+       *pp = p;
+    }
+    return attset;
+}
+
+data1_attset *data1_get_attset (data1_handle dh, const char *name)
+{
+    data1_attset *attset;
+
+    if (!(attset = data1_attset_search_name (dh, name)))
+       attset = data1_attset_add (dh, name);
+    return attset;
+}
+
 data1_esetname *data1_getesetbyname(data1_handle dh, data1_absyn *a,
-                                   char *name)
+                                   const char *name)
 {
     data1_esetname *r;
 
@@ -136,7 +239,7 @@ data1_esetname *data1_getesetbyname(data1_handle dh, data1_absyn *a,
 
 data1_element *data1_getelementbytagname (data1_handle dh, data1_absyn *abs,
                                          data1_element *parent,
-                                         char *tagname)
+                                         const char *tagname)
 {
     data1_element *r;
 
@@ -157,7 +260,7 @@ data1_element *data1_getelementbytagname (data1_handle dh, data1_absyn *abs,
 }
 
 data1_element *data1_getelementbyname (data1_handle dh, data1_absyn *absyn,
-                                      char *name)
+                                      const char *name)
 {
     data1_element *r;
     assert (absyn->main_elements);
@@ -202,9 +305,8 @@ data1_absyn *data1_read_absyn (data1_handle dh, const char *file)
     data1_maptab **maptabp;
     data1_marctab **marcp;
     data1_termlist *all = 0;
-    int level;
+    int level = 0;
 
-    logf (LOG_DEBUG, "begin data1_read_absyn file=%s", file);
     if (!(f = yaz_path_fopen(data1_get_tabpath (dh), file, "r")))
     {
        logf(LOG_WARN|LOG_ERRNO, "Couldn't open %s", file);
@@ -506,7 +608,7 @@ data1_absyn *data1_read_absyn (data1_handle dh, const char *file)
                fclose(f);
                return 0;
            }
-           if (!(res->attset = data1_read_attset (dh, name)))
+           if (!(res->attset = data1_get_attset (dh, name)))
            {
                logf(LOG_WARN, "Attset failed in %s", file);
                fclose(f);