#include <iostream>
#include "uCalc.h"

using namespace std;
using namespace uCalcSoftware;

int main() {
   uCalc uc;
   auto FruitsXML =
   R"(
<Fruits>
  <Fruit CommonName='Apple' ScientificName='Malus domestica' />
  <Fruit CommonName='Banana' ScientificName='Musa acuminata' />
  <Fruit CommonName='Orange' ScientificName='Citrus × sinensis' />
  <Fruit CommonName='Grapes' ScientificName='Vitis vinifera' />
</Fruits>
)";

   uCalc::Transformer t;
   auto fruitsTagRule = t.FromTo("<Fruits>", "List of fruits");
   auto fruitRule = t.FromTo("CommonName={@string:name}", "- {name}");

   cout << "--- Using Maximum (Rule-Level) ---" << endl;
   fruitRule.Maximum(3); // Rule fails if more than 3 fruits are found.
   t.Filter(FruitsXML);
   cout << "Match count when fruit rule fails: " << t.Matches().Count() << endl; // The 'fruitsTagRule' still matches.
   cout << t.Matches().Text() << endl;

   cout << "" << endl;
   cout << "--- Using GlobalMaximum (Transformer-Level) ---" << endl;
   fruitRule.Maximum(-1); // Reset local maximum
   fruitRule.GlobalMaximum(3); // Transformer fails if more than 3 fruits are found.
   t.Filter(FruitsXML);
   cout << "Match count when global rule fails: " << t.Matches().Count() << endl; // All matches are invalidated.
   cout << t.Matches().Text() << endl;
}