Happy new year
[pazpar2-moved-to-github.git] / src / normalize_record.c
index 90876e5..70082fd 100644 (file)
@@ -1,5 +1,5 @@
 /* This file is part of Pazpar2.
-   Copyright (C) 2006-2012 Index Data
+   Copyright (C) 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
@@ -36,7 +36,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 struct normalize_step {
     struct normalize_step *next;
-    xsltStylesheet *stylesheet;  /* created by normalize_record */
+    xsltStylesheet *stylesheet1; /* created by normalize_record */
     xsltStylesheet *stylesheet2; /* external stylesheet (service) */
     struct marcmap *marcmap;
 };
@@ -66,15 +66,16 @@ normalize_record_t normalize_record_create(struct conf_service *service,
 
         if (!xsp_doc)
             no_errors++;
+        else
         {
             *m = nmem_malloc(nt->nmem, sizeof(**m));
             (*m)->marcmap = NULL;
-            (*m)->stylesheet = NULL;
+            (*m)->stylesheet1 = NULL;
             (*m)->stylesheet2 = NULL;
-            
-            
-            (*m)->stylesheet = xsltParseStylesheetDoc(xsp_doc);
-            if (!(*m)->stylesheet)
+
+
+            (*m)->stylesheet1 = xsltParseStylesheetDoc(xsp_doc);
+            if (!(*m)->stylesheet1)
                 no_errors++;
             m = &(*m)->next;
         }
@@ -88,41 +89,40 @@ normalize_record_t normalize_record_create(struct conf_service *service,
 
         for (i = 0; i < num; i++)
         {
-            WRBUF fname = conf_get_fname(conf, stylesheets[i]);
-            
             *m = nmem_malloc(nt->nmem, sizeof(**m));
             (*m)->marcmap = NULL;
-            (*m)->stylesheet = NULL;
-            
+            (*m)->stylesheet1 = NULL;
             (*m)->stylesheet2 = service_xslt_get(service, stylesheets[i]);
             if ((*m)->stylesheet2)
                 ;
-            else if (!strcmp(&stylesheets[i][strlen(stylesheets[i])-4], ".xsl")) 
-            {    
-                if (!((*m)->stylesheet =
+            else if (!strcmp(&stylesheets[i][strlen(stylesheets[i])-4], ".xsl"))
+            {
+                WRBUF fname = conf_get_fname(conf, stylesheets[i]);
+                if (!((*m)->stylesheet1 =
                       xsltParseStylesheetFile((xmlChar *) wrbuf_cstr(fname))))
                 {
                     yaz_log(YLOG_FATAL|YLOG_ERRNO, "Unable to load stylesheet: %s",
                             stylesheets[i]);
                     no_errors++;
                 }
+                wrbuf_destroy(fname);
             }
             else if (!strcmp(&stylesheets[i][strlen(stylesheets[i])-5], ".mmap"))
             {
+                WRBUF fname = conf_get_fname(conf, stylesheets[i]);
                 if (!((*m)->marcmap = marcmap_load(wrbuf_cstr(fname), nt->nmem)))
                 {
                     yaz_log(YLOG_FATAL|YLOG_ERRNO, "Unable to load marcmap: %s",
                             stylesheets[i]);
                     no_errors++;
                 }
+                wrbuf_destroy(fname);
             }
             else
             {
                 yaz_log(YLOG_FATAL, "Cannot handle stylesheet: %s", stylesheets[i]);
                 no_errors++;
             }
-            
-            wrbuf_destroy(fname);
             m = &(*m)->next;
         }
     }
@@ -143,8 +143,8 @@ void normalize_record_destroy(normalize_record_t nt)
         struct normalize_step *m;
         for (m = nt->steps; m; m = m->next)
         {
-            if (m->stylesheet)
-                xsltFreeStylesheet(m->stylesheet);
+            if (m->stylesheet1)
+                xsltFreeStylesheet(m->stylesheet1);
         }
         nmem_destroy(nt->nmem);
     }
@@ -160,8 +160,8 @@ int normalize_record_transform(normalize_record_t nt, xmlDoc **doc,
        {
            xmlNodePtr root = 0;
            xmlDoc *ndoc;
-           if (m->stylesheet)
-               ndoc = xsltApplyStylesheet(m->stylesheet, *doc, parms);
+           if (m->stylesheet1)
+               ndoc = xsltApplyStylesheet(m->stylesheet1, *doc, parms);
            else if (m->stylesheet2)
                ndoc = xsltApplyStylesheet(m->stylesheet2, *doc, parms);
            else if (m->marcmap)
@@ -170,7 +170,7 @@ int normalize_record_transform(normalize_record_t nt, xmlDoc **doc,
                 ndoc = 0;
            xmlFreeDoc(*doc);
             *doc = 0;
-            
+
             if (ndoc)
                 root = xmlDocGetRootElement(ndoc);
 
@@ -178,6 +178,12 @@ int normalize_record_transform(normalize_record_t nt, xmlDoc **doc,
                 *doc = ndoc;
             else
            {
+                if (!ndoc)
+                    yaz_log(YLOG_WARN, "XSLT produced no document");
+                else if (!root)
+                    yaz_log(YLOG_WARN, "XSLT produced XML with no root node");
+                else if (!root->children)
+                    yaz_log(YLOG_WARN, "XSLT produced XML with no root children nodes");
                if (ndoc)
                    xmlFreeDoc(ndoc);
                return -1;