xmlXPathObjectPtr
libxml_xmlXPathObjectPtrConvert(PyObject * obj)
{
xmlXPathObjectPtr ret = NULL;
#ifdef DEBUG
printf("libxml_xmlXPathObjectPtrConvert: obj = %p\n", obj);
#endif
if (obj == NULL) {
return (NULL);
}
if PyFloat_Check (obj) {
ret = xmlXPathNewFloat((double) PyFloat_AS_DOUBLE(obj));
} else if PyLong_Check(obj) {
xmlXPathObjectPtr
rxml_xpath_from_value(VALUE value) {
xmlXPathObjectPtr result = NULL;
switch (TYPE(value)) {
case T_TRUE:
case T_FALSE:
result = xmlXPathNewBoolean(RTEST(value));
break;
case T_FIXNUM:
case T_FLOAT:
result = xmlXPathNewFloat(NUM2DBL(value));
break;
case T_STRING:
result = xmlXPathWrapString(xmlStrdup((const xmlChar *)StringValuePtr(value)));
break;
case T_NIL:
result = xmlXPathNewNodeSet(NULL);
break;
case T_ARRAY: {
long i, j;
result = xmlXPathNewNodeSet(NULL);
for (i = RARRAY_LEN(value); i > 0; i--) {
xmlXPathObjectPtr obj = rxml_xpath_from_value(rb_ary_shift(value));
if ((obj->nodesetval != NULL) && (obj->nodesetval->nodeNr != 0)) {
for (j = 0; j < obj->nodesetval->nodeNr; j++) {
xmlXPathNodeSetAdd(result->nodesetval, obj->nodesetval->nodeTab[j]);
}
}
}
break;
}
default:
rb_raise(rb_eTypeError,
"can't convert object of type %s to XPath object", rb_obj_classname(value)
);
}
return result;
}
