Added Retrieval (data management) functions en masse.

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

diff --git a/retrieval/d1_attset.c b/retrieval/d1_attset.c
new file mode 100644 (file)
index 0000000..44dec99
--- /dev/null
+++ b/retrieval/d1_attset.c
@@ -0,0 +1,169 @@
+/*
+ * Copyright (c) 1995, Index Data.
+ * See the file LICENSE for details.
+ * Sebastian Hammer, Adam Dickmeiss
+ *
+ * $Log: d1_attset.c,v $
+ * Revision 1.1  1995-11-01 11:56:07  quinn
+ * Added Retrieval (data management) functions en masse.
+ *
+ *
+ */
+
+#include <ctype.h>
+#include <stdio.h>
+#include <assert.h>
+#include <stdlib.h>
+
+#include <xmalloc.h>
+#include <log.h>
+#include <d1_attset.h>
+
+data1_att *data1_getattbyname(data1_attset *s, char *name)
+{
+    data1_att *r;
+
+    for (; s; s = s->next)
+    {
+       /* scan local set */
+       for (r = s->atts; r; r = r->next)
+           if (!strcmp(r->name, name))
+               return r;
+       /* scan included sets */
+       if (s->children && (r = data1_getattbyname(s->children, name)))
+           return r;
+    }
+    return 0;
+}
+
+data1_attset *data1_read_attset(char *file)
+{
+    char line[512], *r, cmd[512], args[512];
+    data1_attset *res = 0, **childp;
+    data1_att **attp;
+    FILE *f;
+
+    if (!(f = fopen(file, "r")))
+    {
+       logf(LOG_WARN|LOG_ERRNO, "%s", file);
+       return 0;
+    }
+
+    if (!(res = xmalloc(sizeof(*res))))
+       abort();
+    res->name = 0;
+    res->reference = VAL_NONE;
+    res->ordinal = -1;
+    res->atts = 0;
+    res->children = res->next = 0;
+    childp = &res->children;
+    attp = &res->atts;
+
+    for (;;)
+    {
+       while ((r = fgets(line, 512, f)))
+       {
+           while (*r && isspace(*r))
+               r++;
+           if (*r && *r != '#')
+               break;
+       }
+       if (!r)
+       {
+           return res;
+           fclose(f);
+       }
+       if (sscanf(r, "%s %[^\n]", cmd, args) < 2)
+           *args = '\0';
+       if (!strcmp(cmd, "att"))
+       {
+           int num, local, rr;
+           char name[512];
+           data1_att *t;
+
+           if ((rr = sscanf(args, "%d %s %d", &num, name, &local)) < 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();
+           t->parent = res;
+           if (!(t->name = xmalloc(strlen(name)+1)))
+               abort();
+           strcpy(t->name, name);
+           t->value = num;
+           t->local = local;
+           t->next = 0;
+           attp = &t->next;
+       }
+       else if (!strcmp(cmd, "name"))
+       {
+           char name[512];
+
+           if (!sscanf(args, "%s", name))
+           {
+               logf(LOG_WARN, "%s malformed name directive in %s", file);
+               fclose(f);
+               return 0;
+           }
+           if (!(res->name = xmalloc(strlen(args)+1)))
+               abort();
+           strcpy(res->name, name);
+       }
+       else if (!strcmp(cmd, "reference"))
+       {
+           char name[512];
+
+           if (!sscanf(args, "%s", name))
+           {
+               logf(LOG_WARN, "%s malformed reference directive in %s", file);
+               fclose(f);
+               return 0;
+           }
+           if ((res->reference = oid_getvalbyname(name)) == VAL_NONE)
+           {
+               logf(LOG_WARN, "Unknown attset name '%s' in %s", name, file);
+               fclose(f);
+               return 0;
+           }
+       }
+       else if (!strcmp(cmd, "ordinal"))
+       {
+           if (!sscanf(args, "%d", &res->ordinal))
+           {
+               logf(LOG_WARN, "%s malformed ordinal directive in %s", file);
+               fclose(f);
+               return 0;
+           }
+       }
+       else if (!strcmp(cmd, "include"))
+       {
+           char name[512];
+
+           if (!sscanf(args, "%s", name))
+           {
+               logf(LOG_WARN, "%s malformed reference directive in %s", file);
+               fclose(f);
+               return 0;
+           }
+           if (!(*childp = data1_read_attset(name)))
+           {
+               logf(LOG_WARN, "Inclusion failed in %s", file);
+               fclose(f);
+               return 0;
+           }
+           childp = &(*childp)->next;
+       }
+       else
+       {
+           logf(LOG_WARN, "Unknown directive '%s' in %s", cmd, file);
+           fclose(f);
+           return 0;
+       }
+    }
+}