+
+static void extract_text_node(xmlNodePtr node, WRBUF wrbuf) {
+ xmlNodePtr child;
+ for (child = node->children; child ; child = child->next)
+ {
+ if (child->type == XML_TEXT_NODE)
+ wrbuf_puts(wrbuf, (const char *) child->content);
+ }
+}
+
+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;
+ if (attribute_name)
+ {
+ attribute_value = yaz_element_attribute_value_get(ptr, node_name,
+ attribute_name);
+ if (attribute_value && !strcmp(attribute_value, value))
+ return 1;
+ }
+ else /* No attribute to check */
+ 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++;
+
+ if (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 int 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);
+ }
+ }
+ if (sr->numberOfRecords && *sr->numberOfRecords > 0)
+ yaz_solr_decode_result_docs(o, ptr, start, sr);
+ if (sr->numberOfRecords)
+ return 0;
+ return -1;
+}
+
+static const char *get_facet_term_count(xmlNodePtr node, Odr_int *freq)
+{
+ const char *term = yaz_element_attribute_value_get(node, "int", "name");
+ xmlNodePtr child;
+ WRBUF wrbuf = wrbuf_alloc();
+ if (!term)
+ return term;
+
+ for (child = node->children; child ; child = child->next)
+ {
+ if (child->type == XML_TEXT_NODE)
+ wrbuf_puts(wrbuf, (const char *) child->content);
+ }
+ *freq = odr_atoi(wrbuf_cstr(wrbuf));
+ wrbuf_destroy(wrbuf);
+ return term;
+}
+
+Z_FacetField *yaz_solr_decode_facet_field(ODR o, xmlNodePtr ptr,
+ Z_SRW_searchRetrieveResponse *sr)
+
+{
+ Z_AttributeList *list;
+ Z_FacetField *facet_field;
+ int num_terms = 0;
+ int index = 0;
+ xmlNodePtr node;
+ // USE attribute
+ const char* name = yaz_element_attribute_value_get(ptr, "lst", "name");
+ list = yaz_use_attribute_create(o, name);
+ 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)
+ {
+ Odr_int count = 0;
+ const char *term = get_facet_term_count(node, &count);
+ facet_field_term_set(o, facet_field,
+ facet_term_create_cstr(o, term, count), index);
+ index++;
+ }
+ return facet_field;
+}
+
+static int 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->facetList = facet_list;
+ break;
+ }
+ }
+ return 0;
+}
+
+static void yaz_solr_decode_suggestion_values(xmlNodePtr listPptr, WRBUF wrbuf)
+{
+ xmlNodePtr node;
+ for (node = listPptr; node; node= node->next) {
+ if (!strcmp((char*) node->name, "lst")) {
+ xmlNodePtr child;
+ for (child = node->children; child; child= child->next) {
+ if (match_xml_node_attribute(child, "str", "name", "word")) {
+ wrbuf_puts(wrbuf, "<suggestion>");
+ extract_text_node(child, wrbuf);
+ wrbuf_puts(wrbuf, "</suggestion>\n");
+ }
+ }
+ }
+ }
+}
+
+static void yaz_solr_decode_suggestion_lst(xmlNodePtr lstPtr, WRBUF wrbuf)
+{
+ xmlNodePtr node;
+ for (node = lstPtr; node; node= node->next) {
+ if (match_xml_node_attribute(node, "arr", "name", "suggestion")) {
+ yaz_solr_decode_suggestion_values(node->children, wrbuf);
+ }
+ }
+}
+
+static void yaz_solr_decode_misspelled(xmlNodePtr lstPtr, WRBUF wrbuf)
+{
+ xmlNodePtr node;
+ for (node = lstPtr; node; node= node->next)
+ {
+ if (!strcmp((const char*) node->name, "lst")) {
+ const char *misspelled = yaz_element_attribute_value_get(node, "lst", "name");
+ if (misspelled) {
+ wrbuf_printf(wrbuf, "<misspelled term=\"%s\">\n", misspelled);
+ yaz_solr_decode_suggestion_lst(node->children, wrbuf);
+ wrbuf_puts(wrbuf, "</misspelled>\n");
+ }
+ }
+ }
+}
+
+static int yaz_solr_decode_spellcheck(ODR o, xmlNodePtr spellcheckPtr, Z_SRW_searchRetrieveResponse *sr)
+{
+ xmlNodePtr ptr;
+ WRBUF wrbuf = wrbuf_alloc();
+ wrbuf_puts(wrbuf, "");
+ for (ptr = spellcheckPtr->children; ptr; ptr = ptr->next)
+ {
+ if (match_xml_node_attribute(ptr, "lst", "name", "suggestions"))
+ {
+ yaz_solr_decode_misspelled(ptr->children, wrbuf);
+ }
+ }
+ sr->suggestions = odr_strdup(o, wrbuf_cstr(wrbuf));
+ return 0;
+}