Imports System
Imports uCalcSoftware
Public Module Program
   Public Sub Main()
      Dim uc As New uCalc()
      Dim FruitsXML =
      "
<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' />
  <Fruit CommonName='Strawberry' ScientificName='Fragaria × ananassa' />
  <Fruit CommonName='Pineapple' ScientificName='Ananas comosus' />
  <Fruit CommonName='Mango' ScientificName='Mangifera indica' />
  <Fruit CommonName='Blueberry' ScientificName='Vaccinium corymbosum' />
  <Fruit CommonName='Rambutan' ScientificName='Nephelium lappaceum' />
  <Fruit CommonName='Salak (Snake Fruit)' ScientificName='Salacca zalacca' />
  <Fruit CommonName='Jabuticaba' ScientificName='Plinia cauliflora' />
  <Fruit CommonName='Watermelon' ScientificName='Citrullus lanatus' />
</Fruits>
"
      
      uc.DefineVariable("x = 1")
      Dim t = uc.NewTransformer()
      Dim FruitsTag = t.FromTo("<Fruits>", "List of fruits")
      Dim Fruit = t.FromTo("CommonName={@string:name}", "{@Eval: x++}. {name}")
      
      Fruit.Minimum = 20
      t.Filter(FruitsXML)
      Console.WriteLine($"Minimum = {Fruit.Minimum}")
      Console.WriteLine($"Matches count: {t.Matches.Count()}") '// 1 for FruitsTag occurrence 
      Console.WriteLine("")
      Console.WriteLine(t.Matches)
      Console.WriteLine("")
      Console.WriteLine("===============")
      
      uc.Eval("x = 1")
      Fruit.Minimum = 10
      t.Filter(FruitsXML)
      Console.WriteLine($"Minimum = {Fruit.Minimum}")
      Console.WriteLine($"Matches count: {t.Matches.Count()}") '// 1 for FruitsTag plus 12 fruits
      Console.WriteLine("")
      Console.WriteLine(t.Matches)
      Console.WriteLine("")
      Console.WriteLine("===============")
      
      uc.Eval("x = 1")
      Fruit.GlobalMinimum = 20 '// Notice "List of fruits" will not show
      t.Filter(FruitsXML)
      Console.WriteLine($"MinimumAND = {Fruit.GlobalMinimum}")
      Console.WriteLine($"Matches count: {t.Matches.Count()}") '// Even FruitsTage won't be counted
      Console.WriteLine("")
      Console.WriteLine(t.Matches)
      Console.WriteLine("===============")
      
      uc.Eval("x = 1")
      Fruit.GlobalMinimum = 10
      t.Filter(FruitsXML)
      Console.WriteLine($"MinimumAND = {Fruit.GlobalMinimum}")
      Console.WriteLine($"Matches count: {t.Matches.Count()}")
      Console.WriteLine("")
      Console.WriteLine(t.Matches)
      
   End Sub
End Module