public ExpressionValidator(IExpressionConfig expressionConfig)
{
_expressionConfig = expressionConfig;
_checkForValidCharacters = new ValidationCheck(
expression =>
{
var matches = _expressionConfig.ValidCharacters.Matches(expression);
return matches.Count == 1 && matches[0].ToString() == expression;
},
"Expression contains one or more invalid characters");
_checkForValidNumbers = new ValidationCheck(
expression => _expressionConfig.NumbersHaveValidFormat(expression),
"Expression has numbers with invalid format");
_checkForValidOpSeq = new ValidationCheck(
expression => _expressionConfig.InvalidOperatorSequence.Matches(expression).Count == 0,
"Expression has invalid contiguous operators");
_checkForValidOpSequences = new ValidationCheck(
HasValidOperatorSequences,
"Expression has invalid operator sequences"
);
_checkForValidNumOpMix = new ValidationCheck(
HasValidNumOpMix,
"Expression has invalid combinations");
}
public ExpressionProcessor(IExpressionConfig expressionConfig)
{
_expressionConfig = expressionConfig;
_expressionValidator = new ExpressionValidator(expressionConfig);
}