Method: XPather#get

Defined in:
ext/xpather/xpather.c

#get(xpathExpr) ⇒ Object 



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# File 'ext/xpather/xpather.c', line 34

VALUE get(VALUE self, VALUE xpathExpr)
{
  VALUE results = rb_ary_new();
  xmlDocPtr doc;
  xmlXPathObjectPtr xpathObj;
  xmlNodeSetPtr nodes;
  xmlNodePtr current;
  int size, i;

  Data_Get_Struct(self, xmlDoc, doc);

  xpathObj = eval_and_search(doc, StringValueCStr(xpathExpr));

  if (xpathObj == NULL) { return Qnil; }

  nodes = xpathObj->nodesetval;
  size = (nodes) ? nodes->nodeNr : 0;

  if (size == 0) { return Qnil; }

  if (size == 1) {
    results = rb_str_new2(xmlNodeGetContent(nodes->nodeTab[0]));
  } else {
    for (i = 0; i < size; i++) {
      current = nodes->nodeTab[i];
      rb_ary_push(results, rb_str_new2(xmlNodeGetContent(current)));
    }
  }

  xmlXPathFreeObject(xpathObj);

  return results;
}