Added simple functions for extracting char * from XML nodes

2 files changed, 86 insertions, 0 deletions

diff --git a/common/eurephia_xml.c b/common/eurephia_xml.c
new file mode 100644
index 0000000..c3389ae
--- /dev/null
+++ b/common/eurephia_xml.c
@@ -0,0 +1,49 @@
+/* eurephia_xml.c  --  Generic helper functions for XML parsing
+ *
+ *  GPLv2 - Copyright (C) 2008  David Sommerseth <dazo@users.sourceforge.net>
+ *
+ *  This program 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 Software Foundation; version 2
+ *  of the License.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ */
+
+#ifdef HAVE_LIBXML2
+#include <libxml/tree.h>
+
+char *xmlGetAttrValue(xmlAttr *attr, const char *key) {
+        xmlAttr *aptr;
+
+        for( aptr = attr; aptr != NULL; aptr = aptr->next ) {
+                if( xmlStrcmp(aptr->name, (xmlChar *)key) == 0 ) {
+                        return (char *)(aptr->children != NULL ? aptr->children->content : NULL);
+                }
+        }
+        return NULL;
+}
+
+xmlNode *xmlFindNode(xmlNode *node, const char *key) {
+        xmlNode *nptr = NULL;
+
+        if( node->children == NULL ) {
+                return NULL;
+        }
+        for( nptr = node->children; nptr != NULL; nptr = nptr->next ) {
+                if( xmlStrcmp(nptr->name, (xmlChar *)key) == 0 ) {
+                        return nptr;
+                }
+        }
+        return NULL;
+}
+
+#endif
diff --git a/common/eurephia_xml.h b/common/eurephia_xml.h
new file mode 100644
index 0000000..c955653
--- /dev/null
+++ b/common/eurephia_xml.h
@@ -0,0 +1,37 @@
+/* eurephia_xml.h  --  Generic helper functions for XML parsing
+ *
+ *  GPLv2 - Copyright (C) 2008  David Sommerseth <dazo@users.sourceforge.net>
+ *
+ *  This program 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 Software Foundation; version 2
+ *  of the License.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ */
+
+#ifndef   	EUREPHIA_XML_H_
+# define   	EUREPHIA_XML_H_
+
+#ifdef HAVE_LIBXML2
+#include <libxml/tree.h>
+
+char *xmlGetAttrValue(xmlAttr *properties, const char *key);
+xmlNode *xmlFindNode(xmlNode *node, const char *key);
+
+#define xmlExtractContent(n) (char*) (((n != NULL) && (n->children != NULL)) ? n->children->content : NULL)
+inline char *xmlGetNodeContent(xmlNode *node, const char *key) {
+        return xmlExtractContent(xmlFindNode(node, key));
+}
+
+#endif /* HAVE_LIBXML2 */
+
+#endif 	    /* !EUREPHIA_XML_H_ */