internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodePropertyReferenceExpression expression2 = (CodePropertyReferenceExpression)expression;
CodeExpression targetObject = expression2.TargetObject;
if (analysis.Validation.ExpressionInfo(targetObject) == null)
{
InvalidOperationException exception = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception.Data["ErrorObject"] = targetObject;
throw exception;
}
RulePropertyExpressionInfo info2 = analysis.Validation.ExpressionInfo(expression2) as RulePropertyExpressionInfo;
if (info2 == null)
{
InvalidOperationException exception2 = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception2.Data["ErrorObject"] = expression2;
throw exception2;
}
PropertyInfo propertyInfo = info2.PropertyInfo;
List <CodeExpression> attributedExprs = new List <CodeExpression>();
analysis.AnalyzeRuleAttributes(propertyInfo, targetObject, qualifier, null, null, attributedExprs);
if (!attributedExprs.Contains(targetObject))
{
RuleExpressionWalker.AnalyzeUsage(analysis, targetObject, isRead, isWritten, new RulePathQualifier(propertyInfo.Name, qualifier));
}
}
internal override RuleExpressionResult Evaluate(CodeExpression expression, RuleExecution execution)
{
CodeIndexerExpression expression2 = (CodeIndexerExpression)expression;
RulePropertyExpressionInfo info = execution.Validation.ExpressionInfo(expression2) as RulePropertyExpressionInfo;
if (info == null)
{
InvalidOperationException exception = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception.Data["ErrorObject"] = expression2;
throw exception;
}
PropertyInfo propertyInfo = info.PropertyInfo;
object targetObject = RuleExpressionWalker.Evaluate(execution, expression2.TargetObject).Value;
if (targetObject == null)
{
RuleEvaluationException exception2 = new RuleEvaluationException(string.Format(CultureInfo.CurrentCulture, Messages.TargetEvaluatedNullIndexer, new object[0]));
exception2.Data["ErrorObject"] = expression2;
throw exception2;
}
int count = expression2.Indices.Count;
ParameterInfo[] indexParameters = propertyInfo.GetIndexParameters();
object[] indexerArguments = new object[indexParameters.Length];
int length = indexParameters.Length;
if (info.NeedsParamsExpansion)
{
length--;
}
int index = 0;
while (index < length)
{
Type expressionType = execution.Validation.ExpressionInfo(expression2.Indices[index]).ExpressionType;
RuleExpressionResult result = RuleExpressionWalker.Evaluate(execution, expression2.Indices[index]);
indexerArguments[index] = Executor.AdjustType(expressionType, result.Value, indexParameters[index].ParameterType);
index++;
}
if (length < count)
{
ParameterInfo info3 = indexParameters[length];
Type parameterType = info3.ParameterType;
Type elementType = parameterType.GetElementType();
Array array = (Array)parameterType.InvokeMember(parameterType.Name, BindingFlags.CreateInstance, null, null, new object[] { count - index }, CultureInfo.CurrentCulture);
while (index < count)
{
Type operandType = execution.Validation.ExpressionInfo(expression2.Indices[index]).ExpressionType;
RuleExpressionResult result2 = RuleExpressionWalker.Evaluate(execution, expression2.Indices[index]);
array.SetValue(Executor.AdjustType(operandType, result2.Value, elementType), (int)(index - length));
index++;
}
indexerArguments[length] = array;
}
return(new RulePropertyResult(propertyInfo, targetObject, indexerArguments));
}
internal override RuleExpressionResult Evaluate(CodeExpression expression, RuleExecution execution)
{
CodePropertyReferenceExpression expression2 = (CodePropertyReferenceExpression)expression;
object targetObject = RuleExpressionWalker.Evaluate(execution, expression2.TargetObject).Value;
RulePropertyExpressionInfo info = execution.Validation.ExpressionInfo(expression2) as RulePropertyExpressionInfo;
if (info == null)
{
InvalidOperationException exception = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception.Data["ErrorObject"] = expression2;
throw exception;
}
return(new RulePropertyResult(info.PropertyInfo, targetObject, null));
}
internal override void AnalyzeUsage(CodeExpression expression, RuleAnalysis analysis, bool isRead, bool isWritten, RulePathQualifier qualifier)
{
CodeIndexerExpression expression2 = (CodeIndexerExpression)expression;
CodeExpression targetObject = expression2.TargetObject;
if (analysis.Validation.ExpressionInfo(targetObject) == null)
{
InvalidOperationException exception = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception.Data["ErrorObject"] = targetObject;
throw exception;
}
RulePropertyExpressionInfo info2 = analysis.Validation.ExpressionInfo(expression2) as RulePropertyExpressionInfo;
if (info2 == null)
{
InvalidOperationException exception2 = new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Messages.ExpressionNotValidated, new object[0]));
exception2.Data["ErrorObject"] = expression2;
throw exception2;
}
PropertyInfo propertyInfo = info2.PropertyInfo;
List <CodeExpression> attributedExprs = new List <CodeExpression>();
analysis.AnalyzeRuleAttributes(propertyInfo, targetObject, qualifier, expression2.Indices, propertyInfo.GetIndexParameters(), attributedExprs);
if (!attributedExprs.Contains(targetObject))
{
RuleExpressionWalker.AnalyzeUsage(analysis, targetObject, isRead, isWritten, qualifier);
}
for (int i = 0; i < expression2.Indices.Count; i++)
{
CodeExpression item = expression2.Indices[i];
if (!attributedExprs.Contains(item))
{
RuleExpressionWalker.AnalyzeUsage(analysis, item, true, false, null);
}
}
}
internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
ValidationError item = null;
RulePropertyExpressionInfo info = null;
bool nonPublic = false;
Type expressionType = null;
CodeIndexerExpression newParent = (CodeIndexerExpression)expression;
CodeExpression targetObject = newParent.TargetObject;
if (targetObject == null)
{
item = new ValidationError(Messages.NullIndexerTarget, 0x53d);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return(null);
}
if (targetObject is CodeTypeReferenceExpression)
{
item = new ValidationError(Messages.IndexersCannotBeStatic, 0x53d);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return(null);
}
if ((newParent.Indices == null) || (newParent.Indices.Count == 0))
{
item = new ValidationError(Messages.MissingIndexExpressions, 0x53d);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return(null);
}
try
{
if (!validation.PushParentExpression(newParent))
{
return(null);
}
RuleExpressionInfo info2 = RuleExpressionWalker.Validate(validation, newParent.TargetObject, false);
if (info2 == null)
{
return(null);
}
expressionType = info2.ExpressionType;
if (expressionType == null)
{
return(null);
}
if (expressionType == typeof(NullLiteral))
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullIndexerTarget, new object[0]), 0x53d);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
expressionType = null;
}
List <CodeExpression> argumentExprs = new List <CodeExpression>();
bool flag2 = false;
for (int i = 0; i < newParent.Indices.Count; i++)
{
CodeExpression expression4 = newParent.Indices[i];
if (expression4 == null)
{
item = new ValidationError(Messages.NullIndexExpression, 0x53d);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
flag2 = true;
}
else
{
CodeDirectionExpression expression5 = expression4 as CodeDirectionExpression;
if ((expression5 != null) && (expression5.Direction != FieldDirection.In))
{
item = new ValidationError(Messages.IndexerArgCannotBeRefOrOut, 0x19d);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
flag2 = true;
}
if (expression4 is CodeTypeReferenceExpression)
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CodeExpressionNotHandled, new object[] { expression4.GetType().FullName }), 0x548);
item.UserData["ErrorObject"] = expression4;
validation.AddError(item);
flag2 = true;
}
if (RuleExpressionWalker.Validate(validation, expression4, false) == null)
{
flag2 = true;
}
else
{
argumentExprs.Add(expression4);
}
}
}
if (expressionType == null)
{
return(null);
}
if (flag2)
{
return(null);
}
BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance;
if (validation.AllowInternalMembers(expressionType))
{
bindingFlags |= BindingFlags.NonPublic;
nonPublic = true;
}
info = validation.ResolveIndexerProperty(expressionType, bindingFlags, argumentExprs, out item);
if (info == null)
{
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return(null);
}
}
finally
{
validation.PopParentExpression();
}
PropertyInfo propertyInfo = info.PropertyInfo;
MethodInfo accessorMethod = isWritten ? propertyInfo.GetSetMethod(nonPublic) : propertyInfo.GetGetMethod(nonPublic);
if (accessorMethod == null)
{
string format = isWritten ? Messages.UnknownPropertySet : Messages.UnknownPropertyGet;
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, format, new object[] { propertyInfo.Name, RuleDecompiler.DecompileType(expressionType) }), 0x54a);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return(null);
}
if (!validation.ValidateMemberAccess(targetObject, expressionType, accessorMethod, propertyInfo.Name, newParent))
{
return(null);
}
object[] customAttributes = propertyInfo.GetCustomAttributes(typeof(RuleAttribute), true);
if ((customAttributes != null) && (customAttributes.Length > 0))
{
Stack <MemberInfo> stack = new Stack <MemberInfo>();
stack.Push(propertyInfo);
bool flag3 = true;
foreach (RuleAttribute attribute in customAttributes)
{
if (!attribute.Validate(validation, propertyInfo, expressionType, propertyInfo.GetIndexParameters()))
{
flag3 = false;
}
}
stack.Pop();
if (!flag3)
{
return(null);
}
}
return(info);
}
