public IParseResult TryLoadRegexPattern(string regex)
{
_wasInitialised = false;
_expressionMetaData = null;
_regularExpression = null;
if (_replaceWildCards)
{
regex = regex.ReplaceRegexWildCards();
}
regex = regex.TrimStart(SpecialCharacters.StartsWith).TrimEnd(SpecialCharacters.EndsWith);
var result = new RegularExpressionFactory(_alphabet, _random, MaxCharClassInverseLength)
.TryGetRegularExpression(regex, out var expression);
if (!result.IsSuccess)
{
return(result);
}
_regularExpression = expression;
_expressionMetaData = result.Value;
_wasInitialised = true;
return(new SuccessParseResult());
}
public void TryLoadRegex_ResultValueHasIntersectionIsFalse_WhenPatternDoesNotContainIntersectionToken(string pattern)
{
var factory = new RegularExpressionFactory(RegexAlphabetFactory.Default(), Substitute.For <IRandomGenerator>(), 1);
var result = factory.TryGetRegularExpression(pattern, out _);
Assert.IsFalse(result.Value.HasIntersection);
}
public void TryLoadRegex_ReturnedExpressionYieldsExpectedMinExpansionLength_WhenCalledForPattern(string pattern, int expectedMinExpansionLength)
{
var factory = new RegularExpressionFactory(RegexAlphabetFactory.Default(), Substitute.For <IRandomGenerator>(), 1);
factory.TryGetRegularExpression(pattern, out var union);
var result = union.MaxExpansionRange.Start;
Assert.AreEqual(expectedMinExpansionLength, result);
}
/// <summary>
/// Retrieves all regular expressions from the database assigned to a user
/// </summary>
public RegularExpressionData GetRegularExpressionsOfUser(int userId, int surveyId)
{
return(RegularExpressionFactory.Create().GetRegularExpressionsOfUser(userId, surveyId));
}
/// <summary>
/// Retrieves regular expression details from the database
/// </summary>
public RegularExpressionData GetRegularExpressionById(int regularExpressionId)
{
return(RegularExpressionFactory.Create().GetRegularExpressionById(regularExpressionId));
}
/// <summary>
/// Retrieves all regular expressions from the database that can be edited
/// by the user
/// </summary>
public RegularExpressionData GetEditableRegularExpressionsListOfUser(int userId)
{
return(RegularExpressionFactory.Create().GetEditableRegularExpressionsListOfUser(userId));
}
/// <summary>
/// Retrieves all regular expressions from the database
/// </summary>
public RegularExpressionData GetAllRegularExpressionsList()
{
return(RegularExpressionFactory.Create().GetAllRegularExpressionsList());
}
/// <summary>
/// Updates regular expressions data
/// </summary>
public void UpdateRegularExpression(RegularExpressionData updatedRegularExpression)
{
RegularExpressionFactory.Create().UpdateRegularExpression(updatedRegularExpression);
}
/// <summary>
/// Makes the regular expression as builtin
/// </summary>
public void SetBuiltInRegularExpression(int regularExpressionId)
{
RegularExpressionFactory.Create().SetBuiltInRegularExpression(regularExpressionId);
}
/// <summary>
/// Remove the regular expression
/// </summary>
public void DeleteRegularExpressionById(int regularExpressionId)
{
RegularExpressionFactory.Create().DeleteRegularExpressionById(regularExpressionId);
}
/// <summary>
/// Adds a new regular expression to the database
/// </summary>
public void AddRegularExpression(RegularExpressionData newRegularExpression, int userId)
{
RegularExpressionFactory.Create().AddRegularExpression(newRegularExpression, userId);
}