private void AnalyzeInvokeAttribute(RuleAnalysis analysis, Type contextType, Stack <MemberInfo> methodStack, CodeExpression targetExpression, RulePathQualifier targetQualifier, CodeExpressionCollection argumentExpressions, ParameterInfo[] parameters, List <CodeExpression> attributedExpressions)
{
// Go through all the methods and properties on the target context,
// looking for all the ones that match the name on the attribute.
MemberInfo[] members = contextType.GetMember(methodInvoked, MemberTypes.Method | MemberTypes.Property, BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.FlattenHierarchy);
for (int m = 0; m < members.Length; ++m)
{
MemberInfo mi = members[m];
if (!methodStack.Contains(mi)) // Prevent recursion
{
methodStack.Push(mi);
object[] attrs = mi.GetCustomAttributes(typeof(RuleAttribute), true);
if (attrs != null && attrs.Length != 0)
{
RuleAttribute[] ruleAttrs = (RuleAttribute[])attrs;
for (int i = 0; i < ruleAttrs.Length; ++i)
{
RuleAttribute ruleAttr = ruleAttrs[i];
RuleReadWriteAttribute readWriteAttr = ruleAttr as RuleReadWriteAttribute;
if (readWriteAttr != null)
{
// Just analyze the read/write attribute normally.
readWriteAttr.Analyze(analysis, mi, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
else
{
RuleInvokeAttribute invokeAttr = (RuleInvokeAttribute)ruleAttr;
invokeAttr.AnalyzeInvokeAttribute(analysis, contextType, methodStack, targetExpression, targetQualifier, argumentExpressions, parameters, attributedExpressions);
}
}
}
methodStack.Pop();
}
}
}
private bool ValidateInvokeAttribute(RuleValidation validation, MemberInfo member, Type contextType, Stack <MemberInfo> methodStack)
{
string message;
ValidationError error;
if (string.IsNullOrEmpty(methodInvoked))
{
// Invoked method or property name was null or empty.
message = string.Format(CultureInfo.CurrentCulture, Messages.AttributeMethodNotFound, member.Name, this.GetType().Name, Messages.NullValue);
error = new ValidationError(message, ErrorNumbers.Warning_RuleAttributeNoMatch, true);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validation.AddError(error);
return(false);
}
bool valid = true;
// Go through all the methods and properties on the target context,
// looking for all the ones that match the name on the attribute.
MemberInfo[] members = contextType.GetMember(methodInvoked, MemberTypes.Method | MemberTypes.Property, BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.FlattenHierarchy);
if (members == null || members.Length == 0)
{
// Invoked method or property didn't exist.
message = string.Format(CultureInfo.CurrentCulture, Messages.AttributeMethodNotFound, member.Name, this.GetType().Name, methodInvoked);
error = new ValidationError(message, ErrorNumbers.Warning_RuleAttributeNoMatch, true);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validation.AddError(error);
valid = false;
}
else
{
for (int i = 0; i < members.Length; ++i)
{
MemberInfo mi = members[i];
if (!methodStack.Contains(mi)) // Prevent recursion
{
methodStack.Push(mi);
object[] attrs = mi.GetCustomAttributes(typeof(RuleAttribute), true);
if (attrs != null && attrs.Length != 0)
{
foreach (RuleAttribute invokedRuleAttr in attrs)
{
if (invokedRuleAttr is RuleReadWriteAttribute readWriteAttr)
{
// This read/write attribute may not specify a target of "Parameter", since
// we can't map from the invoker's parameters to the invokee's parameters.
if (readWriteAttr.Target == RuleAttributeTarget.Parameter)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.InvokeAttrRefersToParameterAttribute, mi.Name);
error = new ValidationError(message, ErrorNumbers.Error_InvokeAttrRefersToParameterAttribute, true);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validation.AddError(error);
valid = false;
}
else
{
// Validate the read/write attribute normally.
readWriteAttr.Validate(validation, mi, contextType, null);
}
}
else
{
RuleInvokeAttribute invokeAttr = (RuleInvokeAttribute)invokedRuleAttr;
invokeAttr.ValidateInvokeAttribute(validation, mi, contextType, methodStack);
}
}
}
methodStack.Pop();
}
}
}
return(valid);
}