/// <summary>
/// Initializes a new instance of the <see cref="ConditionContext"/> class.
/// </summary>
/// <param name="copy">The copy.</param>
internal ConditionContext(ConditionContext copy)
: base(copy)
{
if (copy == null)
{
throw new ArgumentNullException("copy");
}
ConditionIndex = copy.ConditionIndex;
LogCategory = copy.LogCategory;
CurrentCondition = copy.CurrentCondition;
}
public string GetValue(string input, RuleContext context)
{
var startIndex = 1;
for (var i = 0; i < context.Conditions.Count; i++)
{
var cond = context.Conditions[i];
var groupCount = cond.Pattern.GetGroupCount(input);
var condContext = new ConditionContext(i, context, cond);
if ((startIndex + groupCount) >= Index)
{
var varIndex = Math.Abs(startIndex - _index);
return cond.Pattern.GetValue(cond.Test.GetValue(condContext), varIndex, condContext);
}
startIndex += groupCount;
}
return null;
}
/// <summary>
/// Gets the value of a condition.
/// </summary>
/// <param name="input"></param>
/// <param name="index"></param>
/// <param name="context"></param>
/// <returns></returns>
public string GetValue(string input, int index, ConditionContext context)
{
return GetValue(input, index);
}