public ExpertSystemRule(string line)
{
Type = line.Contains("<=>") ? ImplicationType.EQUAL : ImplicationType.IMPLY;
var notation = new ReversePolishNotation();
string[] separator = { "=>", "<=>" };
var lines = line.Split(separator, StringSplitOptions.RemoveEmptyEntries);
if (lines.Length != 2)
{
throw new Exception("ESRule error convert! " + line);
}
NpiLeft = notation.Convert(lines[0]);
NpiRight = notation.Convert(lines[1]);
if (NpiRight.Contains("+!"))
{
throw new Exception("Format error!(right +!) " + line);
}
if (Type == ImplicationType.EQUAL && (NpiLeft.Contains('|') || NpiRight.Contains('|')))
{
throw new Exception("Format error!(| and <=>) " + line);
}
if (Type == ImplicationType.EQUAL && (NpiLeft.Contains("+!") || NpiRight.Contains("+!")))
{
throw new Exception("Format error!(+! and <=>) " + line);
}
}
public void CheckNotation(string input, string expectedString)
{
var notation = new ReversePolishNotation();
var inputCopy = input.PreProcess();
var notationResult = notation.Convert(inputCopy);
Assert.True(string.Equals(notationResult, expectedString));
}
private void AnalysisEvent(object sender, RoutedEventArgs e)
{
try
{
string[] result = ReversePolishNotation.Convert(textInput.Text);
StringBuilder sb = new StringBuilder();
foreach (string item in result)
{
sb.Append(item).Append(' ');
}
if (sb.Length >= 1)
{
sb.Length -= 1;
}
textTransfer.Text = sb.ToString();
}
catch (FormatException)
{
MessageBox.Show(this, "数式の書式が不正です。", "解析エラー", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
public void Analysis()
{
Transfer.Value = string.Join(' ', ReversePolishNotation.Convert(Input.Value));
}
public void ConvertInvalidFormula(string formula)
{
var result = ReversePolishNotation.Convert(formula);
Assert.Throws <FormatException>(() => result.ToList());
}
public void ConvertNormalFormula(string formula, IEnumerable <string> expected)
{
var result = ReversePolishNotation.Convert(formula);
Assert.Equal(expected, result);
}
public void ConvertNull()
{
var ex = Assert.Throws <ArgumentNullException>(() => ReversePolishNotation.Convert(null));
Assert.Equal("formula", ex.ParamName);
}