private static EquationInfo CreateInfoFromRegex(this EquationInfo equationInfo, List <string> groups, int singCoef)
{
const string SIGN = "sign";
const string COEFICIENT = "coeficient";
const string DEGREE = "degree";
var pattern = $"(?<{SIGN}>[+-]?)(?<{COEFICIENT}>\\d*\\.?\\d*)\\*x\\^(?<{DEGREE}>\\d+)";
groups.ForEach(str =>
{
var operandParse = Regex.Match(str, pattern, RegexOptions.IgnoreCase);
var signStr = operandParse?.Groups?[SIGN]?.Value ?? "+";
var coeficientStr = operandParse.Groups[COEFICIENT].Value;
var degreeStr = operandParse.Groups[DEGREE].Value;
var signCoeficient = GetSignCoeficient(signStr);
var degree = int.Parse(degreeStr);
var coeficient = double.Parse(coeficientStr);
var coeficientWithSign = coeficient * signCoeficient * singCoef;
equationInfo.AddCoeficient(coeficientWithSign, degree);
});
return(equationInfo);
}
public static EquationInfo PrintReduceForm(this EquationInfo equationInfo)
{
var colection = equationInfo
.ToCollection();
ConsolePrinter.Info($"Reduced Form: {PrintFirst(colection)}{PrintOther(colection)} = 0{Environment.NewLine}");
return(equationInfo);
}
private static IReadOnlyCollection <CoeficientInfo> ToCollection(this EquationInfo equationInfo)
{
var colection = new List <CoeficientInfo>();
var degrees = equationInfo
.GetDegreeCollection()
.ToList();
degrees
.ForEach(x => colection.TryAdd(equationInfo.GetCoeficientInfoByDegree(x)));
return(colection);
}
public static EquationInfo ParseLeftPart(this EquationInfo equationInfo, List <string> groups) => CreateInfoFromRegex(equationInfo, groups, 1);