/* * call-seq: * attribute(name) * * Get the value of attribute named +name+ */ static VALUE reader_attribute(VALUE self, VALUE name) { xmlTextReaderPtr reader; xmlChar *value ; Data_Get_Struct(self, xmlTextReader, reader); if(name == Qnil) return Qnil; name = StringValue(name) ; value = xmlTextReaderGetAttribute(reader, (xmlChar*)StringValuePtr(name)); if(value == NULL) { /* this section is an attempt to workaround older versions of libxml that don't handle namespaces properly in all attribute-and-friends functions */ xmlChar *prefix = NULL ; xmlChar *localname = xmlSplitQName2((xmlChar*)StringValuePtr(name), &prefix); if (localname != NULL) { value = xmlTextReaderLookupNamespace(reader, localname); xmlFree(localname) ; } else { value = xmlTextReaderLookupNamespace(reader, prefix); } xmlFree(prefix); } if(value == NULL) return Qnil; VALUE MAYBE_UNUSED(enc) = rb_iv_get(self, "@encoding"); VALUE rb_value = NOKOGIRI_STR_NEW2(value, RTEST(enc) ? StringValuePtr(enc) : NULL); xmlFree(value); return rb_value; }