/// <summary>
/// <para>
/// To determine the sequence of actions: execution priority is medium
/// </para>
/// <para>
/// Medium priority operations: multiplication, division, moduloDivision
/// </para>
/// </summary>
private UniversalOperation ParsingAnExpression_MediumPriority()
{
UniversalOperation result = ParsingAnExpression_HighPriority();
while (true)
{
//You can use this for multiplicatio, division, moduloDivision
if (MatchSearch('×') || MatchSearch('*'))
{
result = new Multiply(result, ParsingAnExpression_HighPriority());
}
else if (MatchSearch('%'))
{
result = new ModuleDivision(result, ParsingAnExpression_HighPriority());
}
else if (MatchSearch('÷'))
{
result = new Division(result, ParsingAnExpression_HighPriority());
}
/*else if(MatchSearch('¹'))
* {
* result = new PartOfTheWhole(result, ParsingAnExpression_HighPriority());
* }*/
else
{
return(result);
}
}
}
public double Calculate(string curExp)
{
position = 0;
_currentExpression = curExp.ToLower().Replace(" ", "").Replace("\t", "").Replace("\n", "");
if (_currentExpression.Length == 0)
{
throw new Exception("You must enter an expression");
}
UniversalOperation result = ParsingAnExpression_LowPriority();
LastValidation();
return(result.Operation());
}
private UniversalOperation ParsingAnExpression_HighPriority()
{
UniversalOperation result = ParsingAnExpression_VeryHighPriority();
while (true)
{
if (MatchSearch('^'))
{
result = new Pow(result, ParsingAnExpression_HighPriority());
}
else
{
return(result);
}
}
}
/// <summary>
/// To find the percentage of a number
/// </summary>
/// <returns>
/// Percentage of number
/// </returns>
public double CalcPercentage(string currentNumber, string currentExpression)
{
//Calculating the number from which to find the percentage
this.currentExpression = currentExpression;
pos = 0;
UniversalOperation number = ParsingAnExpression_LowPriority();
//Calculate the percentage which to find
this.currentExpression = currentNumber;
pos = 0;
UniversalOperation percent = ParsingAnExpression_LowPriority();
//Calculating the percentage of a number
UniversalOperation result = new Multiplication(new Division(number, new Number(100)), percent);
return(result.Operation());
}
/// <summary>
/// To find the percentage of a number
/// </summary>
/// <returns>
/// Percentage of number
/// </returns>
#endregion
#region Private methods
/// <summary>
/// <para>
/// To determine the sequence of actions: execution priority is low
/// </para>
/// <para>
/// Low priority operations: addition, subtraction
/// </para>
/// </summary>
private UniversalOperation ParsingAnExpression_LowPriority()
{
UniversalOperation result = ParsingAnExpression_MediumPriority();
while (true)
{
if (MatchSearch('+'))
{
result = new Addition(result, ParsingAnExpression_MediumPriority());
}
else if (MatchSearch('-'))
{
result = new Subtraction(result, ParsingAnExpression_MediumPriority());
}
else
{
return(result);
}
}
}
/// <summary>
/// <para>
/// To determine the sequence of actions: execution priority is medium
/// </para>
/// <para>
/// Medium priority operations: multiplication, division
/// </para>
/// </summary>
private UniversalOperation ParsingAnExpression_MediumPriority()
{
UniversalOperation result = ParsingAnExpression_HighPriority();
while (true)
{
if (MatchSearch('×'))
{
result = new Multiplication(result, ParsingAnExpression_HighPriority());
}
else if (MatchSearch('÷') || MatchSearch('/'))
{
result = new Division(result, ParsingAnExpression_HighPriority());
}
else
{
return(result);
}
}
}
/// <summary>
/// <para>
/// To determine the sequence of actions: execution priority is medium
/// </para>
/// <para>
/// Medium priority operations: multiplication, division, moduloDivision
/// </para>
/// </summary>
private UniversalOperation ParsingAnExpression_MediumPriority()
{
UniversalOperation result = ParsingAnExpression_HighPriority();
while (true)
{
//You can use this for multiplicatio, division, moduloDivision
if (MatchSearch('×') || MatchSearch('*'))
{
}
else if (MatchSearch('%'))
{
}
else if (MatchSearch('/') || MatchSearch('÷'))
{
}
else
{
return(result);
}
}
}
public Pow(UniversalOperation leftArg, UniversalOperation rightArg) : base(leftArg, rightArg)
{
}
public Sqr(UniversalOperation sqr) : base(sqr)
{
}
public Subtraction(UniversalOperation leftArg, UniversalOperation rightArg) : base(leftArg, rightArg)
{
}
public Exponentiation(UniversalOperation number, UniversalOperation power) : base(number, power)
{
}
public Sqrt(UniversalOperation sqrt) : base(sqrt)
{
}
public BinaryOperation(UniversalOperation leftArg, UniversalOperation rightArg)
{
this.leftArg = leftArg;
this.rightArg = rightArg;
}
public UnaryOperation(UniversalOperation arg)
{
this.arg = arg;
}
public Cosine(UniversalOperation Argument) : base(Argument)
{
}
public ModuleDivision(UniversalOperation leftArg, UniversalOperation rightArg) : base(leftArg, rightArg)
{
}
public Tangent(UniversalOperation Argument) : base(Argument)
{
}
public Sinus(UniversalOperation Argument) : base(Argument)
{
}
public Negation(UniversalOperation negate) : base(negate)
{
}
public RootExtraction(UniversalOperation root) : base(root)
{
}
public Sqrt(UniversalOperation Argument) : base(Argument)
{
}
public Addition(UniversalOperation leftArg, UniversalOperation rightArg) : base(leftArg, rightArg)
{
}
public Exp(UniversalOperation Argument) : base(Argument)
{
}
public Multiply(UniversalOperation leftArg, UniversalOperation rightArg) : base(leftArg, rightArg)
{
}
public PartOfTheWhole(UniversalOperation PartOfTheWhole) : base(PartOfTheWhole)
{
}
