public ApplyElementProcessor(
[NotNull] IConfigurationExpressionEvaluator configurationExpressionEvaluator,
[NotNull] ITokenUsageTracker tokenUsageTracker)
: base(tokenUsageTracker)
{
if (configurationExpressionEvaluator == null)
{
throw new ArgumentNullException(nameof(configurationExpressionEvaluator));
}
_configurationExpressionEvaluator = configurationExpressionEvaluator;
}
public ApplyWhenAttributeProcessor(
[NotNull] IConfigurationExpressionEvaluator evaluator,
[NotNull] ITokenUsageTracker tokenUsageTracker)
{
if (evaluator == null)
{
throw new ArgumentNullException(nameof(evaluator));
}
if (tokenUsageTracker == null)
{
throw new ArgumentNullException(nameof(tokenUsageTracker));
}
_evaluator = evaluator;
_tokenUsageTracker = tokenUsageTracker;
}
protected ExpressionEvaluationResults EvaluateCondition(
[NotNull] XElement element,
[NotNull] IConfiguration configuration,
[NotNull] IConfigurationExpressionEvaluator configurationExpressionEvaluator)
{
if (element == null)
{
throw new ArgumentNullException(nameof(element));
}
if (configuration == null)
{
throw new ArgumentNullException(nameof(configuration));
}
if (configurationExpressionEvaluator == null)
{
throw new ArgumentNullException(nameof(configurationExpressionEvaluator));
}
string expression = null;
var conditionAttribute = element.Attribute(XName.Get(ConditionAttributeName, string.Empty));
if (conditionAttribute != null)
{
expression = conditionAttribute.Value;
}
ExpressionEvaluationResults evaluationResults = configurationExpressionEvaluator.Evaluate(configuration.ConfigurationName, expression, element.Name);
foreach (var usedToken in evaluationResults.UsedTokens)
{
if (configuration.Contains(usedToken))
{
_tokenUsageTracker.OnTokenUsed(configuration.ConfigurationName, usedToken);
}
else
{
_tokenUsageTracker.OnTokenNotRecognised(configuration.ConfigurationName, usedToken);
}
}
return(evaluationResults);
}