/* This file is part of Pazpar2.
- Copyright (C) 2006-2009 Index Data
+ Copyright (C) 2006-2010 Index Data
Pazpar2 is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
const char **parms)
{
struct normalize_step *m;
- for (m = nt->steps; m; m = m->next)
- {
- xmlNodePtr root = 0;
- xmlDoc *new;
- if (m->stylesheet)
- {
- new = xsltApplyStylesheet(m->stylesheet, *doc, parms);
- }
- else if (m->marcmap)
- {
- new = marcmap_apply(m->marcmap, *doc);
- }
-
- root = xmlDocGetRootElement(new);
-
- if (!new || !root || !root->children)
- {
- if (new)
- xmlFreeDoc(new);
- xmlFreeDoc(*doc);
- return -1;
- }
- xmlFreeDoc(*doc);
- *doc = new;
+ if (nt) {
+ for (m = nt->steps; m; m = m->next)
+ {
+ xmlNodePtr root = 0;
+ xmlDoc *new;
+ if (m->stylesheet)
+ {
+ new = xsltApplyStylesheet(m->stylesheet, *doc, parms);
+ }
+ else if (m->marcmap)
+ {
+ new = marcmap_apply(m->marcmap, *doc);
+ }
+
+ root = xmlDocGetRootElement(new);
+
+ xmlFreeDoc(*doc);
+ if (!new || !root || !root->children)
+ {
+ if (new)
+ xmlFreeDoc(new);
+ *doc = 0;
+ return -1;
+ }
+ *doc = new;
+ }
}
return 0;
}