+
+
+const char *xml_node_attribute_value_get(xmlNodePtr ptr, const char *node_name, const char *attribute_name) {
+
+ struct _xmlAttr *attr;
+ // check if the node name matches
+ if (strcmp((const char*) ptr->name, node_name))
+ return 0;
+ // check if the attribute name and return the value
+ for (attr = ptr->properties; attr; attr = attr->next)
+ if (attr->children && attr->children->type == XML_TEXT_NODE) {
+ if (!strcmp((const char *) attr->name, attribute_name))
+ return (const char *) attr->children->content;
+ }
+ return 0;
+}
+
+
+static int match_xml_node_attribute(xmlNodePtr ptr, const char *node_name, const char *attribute_name, const char *value)
+{
+ const char *attribute_value;
+ // check if the node name matches
+ if (strcmp((const char*) ptr->name, node_name))
+ return 0;
+ attribute_value = xml_node_attribute_value_get(ptr, node_name, attribute_name);
+ if (attribute_value && !strcmp(attribute_value, value))
+ return 1;
+ return 0;
+}
+
+static void yaz_solr_decode_result_docs(ODR o, xmlNodePtr ptr, Odr_int start, Z_SRW_searchRetrieveResponse *sr) {
+ xmlNodePtr node;
+ int offset = 0;
+ int i = 0;
+
+ sr->num_records = 0;
+ for (node = ptr->children; node; node = node->next)
+ if (node->type == XML_ELEMENT_NODE)
+ sr->num_records++;
+
+ sr->records = odr_malloc(o, sizeof(*sr->records) * sr->num_records);
+
+ for (node = ptr->children; node; node = node->next)
+ {
+ if (node->type == XML_ELEMENT_NODE)
+ {
+ Z_SRW_record *record = sr->records + i;
+ xmlBufferPtr buf = xmlBufferCreate();
+ xmlNode *tmp = xmlCopyNode(node, 1);
+
+ xmlNodeDump(buf, tmp->doc, tmp, 0, 0);
+
+ xmlFreeNode(tmp);
+
+ record->recordSchema = 0;
+ record->recordPacking = Z_SRW_recordPacking_XML;
+ record->recordData_len = buf->use;
+ record->recordData_buf = odr_malloc(o, buf->use + 1);
+ memcpy(record->recordData_buf, buf->content, buf->use);
+ record->recordData_buf[buf->use] = '\0';
+ // TODO Solve the real problem in zoom-sru, that doesnt work with 0-based indexes.
+ // Work-around: Making the recordPosition 1-based.
+ record->recordPosition = odr_intdup(o, start + offset + 1);
+
+ xmlBufferFree(buf);
+
+ offset++;
+ i++;
+ }
+ }
+}
+
+static void yaz_solr_decode_result(ODR o, xmlNodePtr ptr, Z_SRW_searchRetrieveResponse *sr) {
+ Odr_int start = 0;
+ struct _xmlAttr *attr;
+ for (attr = ptr->properties; attr; attr = attr->next)
+ if (attr->children && attr->children->type == XML_TEXT_NODE) {
+ if (!strcmp((const char *) attr->name, "numFound")) {
+ sr->numberOfRecords = odr_intdup(o, odr_atoi(
+ (const char *) attr->children->content));
+ } else if (!strcmp((const char *) attr->name, "start")) {
+ start = odr_atoi((const char *) attr->children->content);
+ }
+ }
+ yaz_solr_decode_result_docs(o, ptr, start, sr);
+}
+
+static Z_AttributeList *yaz_solr_use_atttribute_create(ODR o, const char *name) {
+ // TODO IMPLEMENT
+ return 0;
+}
+
+
+static const char *get_facet_term_count(xmlNodePtr node, int *freq) {
+ // TODO implement
+ return 0;
+}
+
+Z_FacetField *yaz_solr_decode_facet_field(ODR o, xmlNodePtr ptr, Z_SRW_searchRetrieveResponse *sr)
+{
+ // USE attribute
+ const char* name = xml_node_attribute_value_get(ptr, "lst", "name");
+ Z_AttributeList *list = yaz_solr_use_atttribute_create(o, name);
+ Z_FacetField *facet_field;
+ int num_terms = 0;
+ int index = 0;
+ xmlNodePtr node;
+ for (node = ptr->children; node; node = node->next) {
+ num_terms++;
+ }
+ facet_field = facet_field_create(o, list, num_terms);
+ index = 0;
+ for (node = ptr->children; node; node = node->next) {
+ int count = 0;
+ const char *term = get_facet_term_count(node, &count);
+ facet_field_term_set(o, facet_field, facet_term_create(o, term_create(o, term), count), index);
+ index++;
+ }
+ return facet_field;
+}
+
+static void yaz_solr_decode_facet_counts(ODR o, xmlNodePtr root, Z_SRW_searchRetrieveResponse *sr) {
+ xmlNodePtr ptr;
+ for (ptr = root->children; ptr; ptr = ptr->next)
+ {
+ if (match_xml_node_attribute(ptr, "lst", "name", "facet_fields"))
+ {
+ xmlNodePtr node;
+ Z_FacetList *facet_list;
+ int num_facets = 0;
+ for (node = ptr->children; node; node= node->next)
+ {
+ num_facets++;
+ }
+ facet_list = facet_list_create(o, num_facets);
+ num_facets = 0;
+ for (node = ptr->children; node; node= node->next)
+ {
+ facet_list_field_set(o, facet_list, yaz_solr_decode_facet_field(o, node, sr), num_facets);
+ num_facets++;
+ }
+ sr->facet_list = facet_list;
+ break;
+ }
+ }
+}
+
+static void yaz_solr_decode_facets(ODR o, xmlNodePtr ptr, Z_SRW_searchRetrieveResponse *sr) {
+ if (match_xml_node_attribute(ptr, "lst", "name", "facet_counts"))
+ yaz_solr_decode_facet_counts(o, ptr->children, sr);
+}