public object Compress()
{
if (_childs[0] is SimpleElement)
{
SimpleElement compressed = new SimpleElement();
if (currentState.IsDown)
{
compressed.Turn();
}
for (int i = 0; i < 4; i++)
{
compressed.SetChild(i, _childs[i].Compress());
}
return(compressed);
}
else
{
Composite compressed = new Composite();
for (int i = 0; i < 4; i++)
{
compressed.SetChild(i, _childs[i].Compress());
}
if (currentState.IsDown)
{
compressed.Turn();
}
return(compressed);
}
}
public IElement Clone()
{
IElement clone = new SimpleElement();
if (currentState.IsDown)
{
clone.Turn();
}
return(clone);
}
/// <summary>
/// Creates a pyramid structure recursively, depending on the number of elements in the input string
/// </summary>
/// <param name="symbolsCountInInput">The number of elements in the input string</param>
/// <returns>IElement - new pyramid object</returns>
private IElement CreateStructure(int symbolsCountInInput)
{
IElement firstElement = new SimpleElement();
IElement currentElement = firstElement;
int symbolsCountInpyramid = 4;
int symbolsLeftInInput = symbolsCountInInput - symbolsCountInpyramid;
while (symbolsLeftInInput > 0)
{
currentElement = new Composite();
currentElement.SetChild(0, firstElement);
currentElement.SetChild(1, firstElement.Clone());
currentElement.SetChild(2, firstElement.Clone().Turn());
currentElement.SetChild(3, firstElement.Clone());
symbolsCountInpyramid *= 4;
symbolsLeftInInput = symbolsCountInInput - symbolsCountInpyramid;
firstElement = currentElement;
}
return(currentElement);
}