internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
Type expressionType = null;
RuleMethodInvokeExpressionInfo info = null;
ValidationError item = null;
BindingFlags @public = BindingFlags.Public;
CodeMethodInvokeExpression newParent = (CodeMethodInvokeExpression)expression;
if (isWritten)
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CannotWriteToExpression, new object[] { typeof(CodeMethodInvokeExpression).ToString() }), 0x17a);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return(null);
}
if ((newParent.Method == null) || (newParent.Method.TargetObject == null))
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullMethodTarget, new object[] { newParent.Method.MethodName }), 0x53d);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return(null);
}
if ((newParent.Method.TypeArguments != null) && (newParent.Method.TypeArguments.Count > 0))
{
item = new ValidationError(Messages.GenericMethodsNotSupported, 0x548);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return(null);
}
try
{
if (!validation.PushParentExpression(newParent))
{
return(null);
}
RuleExpressionInfo info2 = RuleExpressionWalker.Validate(validation, newParent.Method.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.NullMethodTarget, new object[] { newParent.Method.MethodName }), 0x546);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
expressionType = null;
}
List <CodeExpression> argumentExprs = new List <CodeExpression>();
bool flag = false;
if (newParent.Parameters != null)
{
for (int i = 0; i < newParent.Parameters.Count; i++)
{
CodeExpression expression3 = newParent.Parameters[i];
if (expression3 == null)
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullMethodParameter, new object[] { i.ToString(CultureInfo.CurrentCulture), newParent.Method.MethodName }), 0x53d);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
expressionType = null;
}
else
{
if (expression3 is CodeTypeReferenceExpression)
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CodeExpressionNotHandled, new object[] { expression3.GetType().FullName }), 0x548);
item.UserData["ErrorObject"] = expression3;
validation.AddError(item);
flag = true;
}
if (RuleExpressionWalker.Validate(validation, expression3, false) == null)
{
flag = true;
}
argumentExprs.Add(expression3);
}
}
}
if (expressionType == null)
{
return(null);
}
if (flag)
{
return(null);
}
if (newParent.Method.TargetObject is CodeTypeReferenceExpression)
{
@public |= BindingFlags.FlattenHierarchy | BindingFlags.Static;
}
else
{
@public |= BindingFlags.Instance;
}
if (validation.AllowInternalMembers(expressionType))
{
@public |= BindingFlags.NonPublic;
}
info = validation.ResolveMethod(expressionType, newParent.Method.MethodName, @public, argumentExprs, out item);
if ((info == null) && newParent.UserData.Contains("QualifiedName"))
{
string qualifiedName = newParent.UserData["QualifiedName"] as string;
Type type2 = validation.ResolveType(qualifiedName);
if (type2 != null)
{
validation.DetermineExtensionMethods(type2.Assembly);
info = validation.ResolveMethod(expressionType, newParent.Method.MethodName, @public, argumentExprs, out item);
}
}
if (info == null)
{
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return(null);
}
}
finally
{
validation.PopParentExpression();
}
MethodInfo methodInfo = info.MethodInfo;
if (methodInfo.ReturnType == null)
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CouldNotDetermineMemberType, new object[] { newParent.Method.MethodName }), 0x194);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return(null);
}
if (!validation.ValidateMemberAccess(newParent.Method.TargetObject, expressionType, methodInfo, newParent.Method.MethodName, newParent))
{
return(null);
}
object[] customAttributes = methodInfo.GetCustomAttributes(typeof(RuleAttribute), true);
if ((customAttributes != null) && (customAttributes.Length > 0))
{
Stack <MemberInfo> stack = new Stack <MemberInfo>();
stack.Push(methodInfo);
bool flag2 = true;
foreach (RuleAttribute attribute in customAttributes)
{
if (!attribute.Validate(validation, methodInfo, expressionType, methodInfo.GetParameters()))
{
flag2 = false;
}
}
stack.Pop();
if (!flag2)
{
return(null);
}
}
if (methodInfo is ExtensionMethodInfo)
{
newParent.UserData["QualifiedName"] = methodInfo.DeclaringType.AssemblyQualifiedName;
}
return(info);
}
internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
ValidationError error;
CodeObjectCreateExpression newParent = (CodeObjectCreateExpression)expression;
if (isWritten)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CannotWriteToExpression, new object[] { typeof(CodeObjectCreateExpression).ToString() }), 0x17a);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return(null);
}
if (newParent.CreateType == null)
{
error = new ValidationError(Messages.NullTypeType, 0x53d);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return(null);
}
Type type = validation.ResolveType(newParent.CreateType);
if (type == null)
{
return(null);
}
List <CodeExpression> argumentExprs = new List <CodeExpression>();
try
{
if (!validation.PushParentExpression(newParent))
{
return(null);
}
bool flag = false;
for (int i = 0; i < newParent.Parameters.Count; i++)
{
CodeExpression expression3 = newParent.Parameters[i];
if (expression3 == null)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullConstructorParameter, new object[] { i.ToString(CultureInfo.CurrentCulture), RuleDecompiler.DecompileType(type) }), 0x53d);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
flag = true;
}
else
{
if (RuleExpressionWalker.Validate(validation, expression3, false) == null)
{
flag = true;
}
argumentExprs.Add(expression3);
}
}
if (flag)
{
return(null);
}
}
finally
{
validation.PopParentExpression();
}
BindingFlags constructorBindingFlags = BindingFlags.Public | BindingFlags.Instance;
if (validation.AllowInternalMembers(type))
{
constructorBindingFlags |= BindingFlags.NonPublic;
}
if (type.IsValueType && (argumentExprs.Count == 0))
{
return(new RuleExpressionInfo(type));
}
if (type.IsAbstract)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.UnknownConstructor, new object[] { RuleDecompiler.DecompileType(type) }), 0x137);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return(null);
}
RuleConstructorExpressionInfo info2 = validation.ResolveConstructor(type, constructorBindingFlags, argumentExprs, out error);
if (info2 == null)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.UnknownConstructor, new object[] { RuleDecompiler.DecompileType(type) }), 0x137);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return(null);
}
return(info2);
}
public override bool Validate(RuleValidation validator)
{
if (validator == null)
{
throw new ArgumentNullException("validator");
}
bool flag = true;
if (this.path == null)
{
ValidationError error = new ValidationError(Messages.NullUpdate, 0x53d);
error.UserData["ErrorObject"] = this;
validator.AddError(error);
flag = false;
}
string[] strArray = this.path.Split(new char[] { '/' });
if (strArray[0] == "this")
{
Type thisType = validator.ThisType;
for (int i = 1; i < strArray.Length; i++)
{
if (strArray[i] == "*")
{
if (i < (strArray.Length - 1))
{
ValidationError error2 = new ValidationError(Messages.InvalidWildCardInPathQualifier, 0x195);
error2.UserData["ErrorObject"] = this;
validator.AddError(error2);
flag = false;
}
return flag;
}
if (!string.IsNullOrEmpty(strArray[i]) || (i != (strArray.Length - 1)))
{
goto Label_00ED;
}
return flag;
Label_00E6:
thisType = thisType.GetElementType();
Label_00ED:
if (thisType.IsArray)
{
goto Label_00E6;
}
BindingFlags bindingAttr = BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance;
if (validator.AllowInternalMembers(thisType))
{
bindingAttr |= BindingFlags.NonPublic;
}
FieldInfo field = thisType.GetField(strArray[i], bindingAttr);
if (field != null)
{
thisType = field.FieldType;
}
else
{
PropertyInfo property = thisType.GetProperty(strArray[i], bindingAttr);
if (property != null)
{
thisType = property.PropertyType;
}
else
{
ValidationError error3 = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.UpdateUnknownFieldOrProperty, new object[] { strArray[i] }), 0x57b);
error3.UserData["ErrorObject"] = this;
validator.AddError(error3);
return false;
}
}
}
return flag;
}
ValidationError error4 = new ValidationError(Messages.UpdateNotThis, 0x57b);
error4.UserData["ErrorObject"] = this;
validator.AddError(error4);
return false;
}
internal override bool Validate(RuleValidation validation, MemberInfo member, Type contextType, ParameterInfo[] parameters)
{
ValidationError error = null;
if (string.IsNullOrEmpty(this.attributePath))
{
return(true);
}
string[] strArray = this.attributePath.Split(new char[] { '/' });
string str2 = strArray[0];
int num = 0;
if (this.attributeTarget == RuleAttributeTarget.This)
{
if (str2 == "this")
{
num++;
}
}
else
{
bool flag2 = false;
for (int j = 0; j < parameters.Length; j++)
{
ParameterInfo info = parameters[j];
if (info.Name == str2)
{
flag2 = true;
contextType = info.ParameterType;
break;
}
}
if (!flag2)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.InvalidRuleAttributeParameter, new object[] { str2, member.Name }), 420);
error.UserData["ErrorObject"] = this;
validation.AddError(error);
return(false);
}
num++;
}
int length = strArray.Length;
string str3 = strArray[length - 1];
if (string.IsNullOrEmpty(str3) || (str3 == "*"))
{
length--;
}
Type fieldType = contextType;
for (int i = num; i < length; i++)
{
if (!(strArray[i] == "*"))
{
goto Label_0171;
}
error = new ValidationError(Messages.InvalidWildCardInPathQualifier, 0x195);
error.UserData["ErrorObject"] = this;
validation.AddError(error);
return(false);
Label_0168:
fieldType = fieldType.GetElementType();
Label_0171:
if (fieldType.IsArray)
{
goto Label_0168;
}
BindingFlags bindingAttr = BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance;
if (validation.AllowInternalMembers(fieldType))
{
bindingAttr |= BindingFlags.NonPublic;
}
FieldInfo field = fieldType.GetField(strArray[i], bindingAttr);
if (field != null)
{
fieldType = field.FieldType;
}
else
{
PropertyInfo property = fieldType.GetProperty(strArray[i], bindingAttr);
if (property != null)
{
fieldType = property.PropertyType;
}
else
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.UpdateUnknownFieldOrProperty, new object[] { strArray[i] }), 390);
error.UserData["ErrorObject"] = this;
validation.AddError(error);
return(false);
}
}
}
return(true);
}
public override bool Validate(RuleValidation validator)
{
if (validator == null)
{
throw new ArgumentNullException("validator");
}
bool flag = true;
if (this.path == null)
{
ValidationError error = new ValidationError(Messages.NullUpdate, 0x53d);
error.UserData["ErrorObject"] = this;
validator.AddError(error);
flag = false;
}
string[] strArray = this.path.Split(new char[] { '/' });
if (strArray[0] == "this")
{
Type thisType = validator.ThisType;
for (int i = 1; i < strArray.Length; i++)
{
if (strArray[i] == "*")
{
if (i < (strArray.Length - 1))
{
ValidationError error2 = new ValidationError(Messages.InvalidWildCardInPathQualifier, 0x195);
error2.UserData["ErrorObject"] = this;
validator.AddError(error2);
flag = false;
}
return(flag);
}
if (!string.IsNullOrEmpty(strArray[i]) || (i != (strArray.Length - 1)))
{
goto Label_00ED;
}
return(flag);
Label_00E6:
thisType = thisType.GetElementType();
Label_00ED:
if (thisType.IsArray)
{
goto Label_00E6;
}
BindingFlags bindingAttr = BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance;
if (validator.AllowInternalMembers(thisType))
{
bindingAttr |= BindingFlags.NonPublic;
}
FieldInfo field = thisType.GetField(strArray[i], bindingAttr);
if (field != null)
{
thisType = field.FieldType;
}
else
{
PropertyInfo property = thisType.GetProperty(strArray[i], bindingAttr);
if (property != null)
{
thisType = property.PropertyType;
}
else
{
ValidationError error3 = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.UpdateUnknownFieldOrProperty, new object[] { strArray[i] }), 0x57b);
error3.UserData["ErrorObject"] = this;
validator.AddError(error3);
return(false);
}
}
}
return(flag);
}
ValidationError error4 = new ValidationError(Messages.UpdateNotThis, 0x57b);
error4.UserData["ErrorObject"] = this;
validator.AddError(error4);
return(false);
}
public override bool Validate(RuleValidation validator)
{
if (validator == null)
throw new ArgumentNullException("validator");
bool success = true;
if (path == null)
{
ValidationError error = new ValidationError(Messages.NullUpdate, ErrorNumbers.Error_ParameterNotSet);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validator.AddError(error);
success = false;
}
// now make sure that the path is valid
string[] parts = path.Split('/');
if (parts[0] == "this")
{
Type currentType = validator.ThisType;
for (int i = 1; i < parts.Length; ++i)
{
if (parts[i] == "*")
{
if (i < parts.Length - 1)
{
// The "*" occurred in the middle of the path, which is a no-no.
ValidationError error = new ValidationError(Messages.InvalidWildCardInPathQualifier, ErrorNumbers.Error_InvalidWildCardInPathQualifier);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validator.AddError(error);
success = false;
break;
}
else
{
// It occurred at the end, which is okay.
break;
}
}
else if (string.IsNullOrEmpty(parts[i]) && i == parts.Length - 1)
{
// It's okay to end with a "/".
break;
}
while (currentType.IsArray)
currentType = currentType.GetElementType();
BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static | BindingFlags.FlattenHierarchy;
if (validator.AllowInternalMembers(currentType))
bindingFlags |= BindingFlags.NonPublic;
FieldInfo field = currentType.GetField(parts[i], bindingFlags);
if (field != null)
{
currentType = field.FieldType;
}
else
{
PropertyInfo property = currentType.GetProperty(parts[i], bindingFlags);
if (property != null)
{
currentType = property.PropertyType;
}
else
{
string message = string.Format(CultureInfo.CurrentCulture, Messages.UpdateUnknownFieldOrProperty, parts[i]);
ValidationError error = new ValidationError(message, ErrorNumbers.Error_InvalidUpdate);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validator.AddError(error);
success = false;
break;
}
}
}
}
else
{
ValidationError error = new ValidationError(Messages.UpdateNotThis, ErrorNumbers.Error_InvalidUpdate);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validator.AddError(error);
success = false;
}
return success;
}
internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
string message;
ValidationError error;
CodeObjectCreateExpression createExpression = (CodeObjectCreateExpression)expression;
if (isWritten)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.CannotWriteToExpression, typeof(CodeObjectCreateExpression).ToString());
error = new ValidationError(message, ErrorNumbers.Error_InvalidAssignTarget);
error.UserData[RuleUserDataKeys.ErrorObject] = createExpression;
validation.Errors.Add(error);
return null;
}
if (createExpression.CreateType == null)
{
error = new ValidationError(Messages.NullTypeType, ErrorNumbers.Error_ParameterNotSet);
error.UserData[RuleUserDataKeys.ErrorObject] = createExpression;
validation.Errors.Add(error);
return null;
}
Type resultType = validation.ResolveType(createExpression.CreateType);
if (resultType == null)
return null;
// look up parameters
List<CodeExpression> parameters = new List<CodeExpression>();
try
{
// Early exit from this if a cycle is detected.
if (!validation.PushParentExpression(createExpression))
return null;
bool hasInvalidArgument = false;
for (int i = 0; i < createExpression.Parameters.Count; ++i)
{
CodeExpression parameter = createExpression.Parameters[i];
if (parameter == null)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.NullConstructorParameter, i.ToString(CultureInfo.CurrentCulture), RuleDecompiler.DecompileType(resultType));
error = new ValidationError(message, ErrorNumbers.Error_ParameterNotSet);
error.UserData[RuleUserDataKeys.ErrorObject] = createExpression;
validation.Errors.Add(error);
hasInvalidArgument = true;
}
else
{
RuleExpressionInfo parameterInfo = RuleExpressionWalker.Validate(validation, parameter, false);
if (parameterInfo == null)
hasInvalidArgument = true;
parameters.Add(parameter);
}
}
// quit if parameters not valid
if (hasInvalidArgument)
return null;
}
finally
{
validation.PopParentExpression();
}
// see if we can find the matching constructor
BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance;
if (validation.AllowInternalMembers(resultType))
bindingFlags |= BindingFlags.NonPublic;
// creating a value-type object with no parameters can always be done
if ((resultType.IsValueType) && (parameters.Count == 0))
return new RuleExpressionInfo(resultType);
// error if type is an abstract type
if (resultType.IsAbstract)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.UnknownConstructor, RuleDecompiler.DecompileType(resultType));
error = new ValidationError(message, ErrorNumbers.Error_MethodNotExists);
error.UserData[RuleUserDataKeys.ErrorObject] = createExpression;
validation.Errors.Add(error);
return null;
}
RuleConstructorExpressionInfo constructorInvokeInfo = validation.ResolveConstructor(resultType, bindingFlags, parameters, out error);
if (constructorInvokeInfo == null)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.UnknownConstructor, RuleDecompiler.DecompileType(resultType));
error = new ValidationError(message, ErrorNumbers.Error_MethodNotExists);
error.UserData[RuleUserDataKeys.ErrorObject] = createExpression;
validation.Errors.Add(error);
return null;
}
return constructorInvokeInfo;
}
internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
CodePropertyReferenceExpression newParent = (CodePropertyReferenceExpression) expression;
if (newParent.TargetObject == null)
{
ValidationError error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullPropertyTarget, new object[] { newParent.PropertyName }), 0x53d);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return null;
}
if (!validation.PushParentExpression(newParent))
{
return null;
}
RuleExpressionInfo info = RuleExpressionWalker.Validate(validation, newParent.TargetObject, false);
validation.PopParentExpression();
if (info == null)
{
return null;
}
Type expressionType = info.ExpressionType;
if (expressionType == null)
{
return null;
}
if (expressionType == typeof(NullLiteral))
{
ValidationError error2 = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullPropertyTarget, new object[] { newParent.PropertyName }), 0x546);
error2.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error2);
return null;
}
bool nonPublic = false;
BindingFlags bindingFlags = BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance;
if (validation.AllowInternalMembers(expressionType))
{
bindingFlags |= BindingFlags.NonPublic;
nonPublic = true;
}
PropertyInfo item = validation.ResolveProperty(expressionType, newParent.PropertyName, bindingFlags);
if (item == null)
{
ValidationError error3 = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.UnknownProperty, new object[] { newParent.PropertyName, RuleDecompiler.DecompileType(expressionType) }), 0x54a);
error3.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error3);
return null;
}
if (item.PropertyType == null)
{
ValidationError error4 = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CouldNotDetermineMemberType, new object[] { newParent.PropertyName }), 0x194);
error4.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error4);
return null;
}
MethodInfo accessorMethod = isWritten ? item.GetSetMethod(nonPublic) : item.GetGetMethod(nonPublic);
if (accessorMethod == null)
{
string format = isWritten ? Messages.UnknownPropertySet : Messages.UnknownPropertyGet;
ValidationError error5 = new ValidationError(string.Format(CultureInfo.CurrentCulture, format, new object[] { newParent.PropertyName, RuleDecompiler.DecompileType(expressionType) }), 0x54a);
error5.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error5);
return null;
}
if (!validation.ValidateMemberAccess(newParent.TargetObject, expressionType, accessorMethod, newParent.PropertyName, newParent))
{
return null;
}
object[] customAttributes = item.GetCustomAttributes(typeof(RuleAttribute), true);
if ((customAttributes != null) && (customAttributes.Length > 0))
{
Stack<MemberInfo> stack = new Stack<MemberInfo>();
stack.Push(item);
bool flag2 = true;
foreach (RuleAttribute attribute in customAttributes)
{
if (!attribute.Validate(validation, item, expressionType, null))
{
flag2 = false;
}
}
stack.Pop();
if (!flag2)
{
return null;
}
}
return new RulePropertyExpressionInfo(item, item.PropertyType, false);
}
internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
Type targetType = null;
RuleMethodInvokeExpressionInfo methodInvokeInfo = null;
string message;
ValidationError error = null;
BindingFlags bindingFlags = BindingFlags.Public;
CodeMethodInvokeExpression invokeExpr = (CodeMethodInvokeExpression)expression;
if (isWritten)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.CannotWriteToExpression, typeof(CodeMethodInvokeExpression).ToString());
error = new ValidationError(message, ErrorNumbers.Error_InvalidAssignTarget);
error.UserData[RuleUserDataKeys.ErrorObject] = invokeExpr;
validation.Errors.Add(error);
return null;
}
if ((invokeExpr.Method == null) || (invokeExpr.Method.TargetObject == null))
{
message = string.Format(CultureInfo.CurrentCulture, Messages.NullMethodTarget, invokeExpr.Method.MethodName);
error = new ValidationError(message, ErrorNumbers.Error_ParameterNotSet);
error.UserData[RuleUserDataKeys.ErrorObject] = invokeExpr;
validation.Errors.Add(error);
return null; // Fatal error; discontinue validation of this object.
}
if ((invokeExpr.Method.TypeArguments != null) && (invokeExpr.Method.TypeArguments.Count > 0))
{
error = new ValidationError(Messages.GenericMethodsNotSupported, ErrorNumbers.Error_CodeExpressionNotHandled);
error.UserData[RuleUserDataKeys.ErrorObject] = invokeExpr;
validation.Errors.Add(error);
return null;
}
try
{
// Early exit from this if a cycle is detected.
if (!validation.PushParentExpression(invokeExpr))
return null;
RuleExpressionInfo targetExprInfo = RuleExpressionWalker.Validate(validation, invokeExpr.Method.TargetObject, false);
if (targetExprInfo == null) // error occurred, so simply return
return null;
targetType = targetExprInfo.ExpressionType;
if (targetType == null)
return null;
// if an error occurred (targetType == null), continue on to validate the arguments
if (targetType == typeof(NullLiteral))
{
message = string.Format(CultureInfo.CurrentCulture, Messages.NullMethodTarget, invokeExpr.Method.MethodName);
error = new ValidationError(message, ErrorNumbers.Error_BindingTypeMissing);
error.UserData[RuleUserDataKeys.ErrorObject] = invokeExpr;
validation.Errors.Add(error);
targetType = null; // force exit after validating the arguments
}
List<CodeExpression> argExprs = new List<CodeExpression>();
bool hasInvalidArgument = false;
if (invokeExpr.Parameters != null)
{
for (int i = 0; i < invokeExpr.Parameters.Count; ++i)
{
CodeExpression argExpr = invokeExpr.Parameters[i];
if (argExpr == null)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.NullMethodParameter, i.ToString(CultureInfo.CurrentCulture), invokeExpr.Method.MethodName);
error = new ValidationError(message, ErrorNumbers.Error_ParameterNotSet);
error.UserData[RuleUserDataKeys.ErrorObject] = invokeExpr;
validation.Errors.Add(error);
targetType = null; // force exit after validating the rest of the arguments
}
else
{
if (argExpr is CodeTypeReferenceExpression)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.CodeExpressionNotHandled, argExpr.GetType().FullName);
error = new ValidationError(message, ErrorNumbers.Error_CodeExpressionNotHandled);
error.UserData[RuleUserDataKeys.ErrorObject] = argExpr;
validation.AddError(error);
hasInvalidArgument = true;
}
// Validate the argument.
RuleExpressionInfo argExprInfo = RuleExpressionWalker.Validate(validation, argExpr, false);
if (argExprInfo == null)
hasInvalidArgument = true;
argExprs.Add(argExpr);
}
}
}
// Stop further validation if there was a problem with the target expression.
if (targetType == null)
return null;
// Stop further validation if there was a problem with any of the arguments.
if (hasInvalidArgument)
return null;
if (invokeExpr.Method.TargetObject is CodeTypeReferenceExpression)
bindingFlags |= BindingFlags.Static | BindingFlags.FlattenHierarchy;
else
bindingFlags |= BindingFlags.Instance;
if (validation.AllowInternalMembers(targetType))
bindingFlags |= BindingFlags.NonPublic;
// Everything okay so far, try to resolve the method.
methodInvokeInfo = validation.ResolveMethod(targetType, invokeExpr.Method.MethodName, bindingFlags, argExprs, out error);
if ((methodInvokeInfo == null) && (invokeExpr.UserData.Contains(RuleUserDataKeys.QualifiedName)))
{
// failed to resolve the method, but a fully qualified type name is around
// load the type, add it to the assemblies, and try again
string qualifiedName = invokeExpr.UserData[RuleUserDataKeys.QualifiedName] as string;
Type containingClassType = validation.ResolveType(qualifiedName);
if (containingClassType != null)
{
validation.DetermineExtensionMethods(containingClassType.Assembly);
methodInvokeInfo = validation.ResolveMethod(targetType, invokeExpr.Method.MethodName, bindingFlags, argExprs, out error);
}
}
if (methodInvokeInfo == null)
{
error.UserData[RuleUserDataKeys.ErrorObject] = invokeExpr;
validation.Errors.Add(error);
return null;
}
}
finally
{
validation.PopParentExpression();
}
MethodInfo mi = methodInvokeInfo.MethodInfo;
if (mi.ReturnType == null)
{
// This can only happen with a design-time type.
message = string.Format(CultureInfo.CurrentCulture, Messages.CouldNotDetermineMemberType, invokeExpr.Method.MethodName);
error = new ValidationError(message, ErrorNumbers.Error_CouldNotDetermineMemberType);
error.UserData[RuleUserDataKeys.ErrorObject] = invokeExpr;
validation.Errors.Add(error);
return null;
}
if (!validation.ValidateMemberAccess(invokeExpr.Method.TargetObject, targetType, mi, invokeExpr.Method.MethodName, invokeExpr))
return null;
// Validate any RuleAttributes, if present.
object[] attrs = mi.GetCustomAttributes(typeof(RuleAttribute), true);
if (attrs != null && attrs.Length > 0)
{
Stack<MemberInfo> methodStack = new Stack<MemberInfo>();
methodStack.Push(mi);
bool allAttributesValid = true;
foreach (RuleAttribute ruleAttr in attrs)
{
if (!ruleAttr.Validate(validation, mi, targetType, mi.GetParameters()))
allAttributesValid = false;
}
methodStack.Pop();
if (!allAttributesValid)
return null;
}
// if this is an extension method, save the type information
if (mi is ExtensionMethodInfo)
{
invokeExpr.UserData[RuleUserDataKeys.QualifiedName] = mi.DeclaringType.AssemblyQualifiedName;
}
return methodInvokeInfo;
}
internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
string message;
ValidationError error = null;
RulePropertyExpressionInfo propExprInfo = null;
bool includeNonPublic = false;
Type targetType = null;
CodeIndexerExpression indexerExpr = (CodeIndexerExpression)expression;
CodeExpression targetObject = indexerExpr.TargetObject;
if (targetObject == null)
{
error = new ValidationError(Messages.NullIndexerTarget, ErrorNumbers.Error_ParameterNotSet);
error.UserData[RuleUserDataKeys.ErrorObject] = indexerExpr;
validation.Errors.Add(error);
return null;
}
if (targetObject is CodeTypeReferenceExpression)
{
error = new ValidationError(Messages.IndexersCannotBeStatic, ErrorNumbers.Error_ParameterNotSet);
error.UserData[RuleUserDataKeys.ErrorObject] = indexerExpr;
validation.Errors.Add(error);
return null;
}
if (indexerExpr.Indices == null || indexerExpr.Indices.Count == 0)
{
error = new ValidationError(Messages.MissingIndexExpressions, ErrorNumbers.Error_ParameterNotSet);
error.UserData[RuleUserDataKeys.ErrorObject] = indexerExpr;
validation.Errors.Add(error);
return null;
}
try
{
// Early exit from this if a cycle is detected.
if (!validation.PushParentExpression(indexerExpr))
return null;
RuleExpressionInfo targetExprInfo = RuleExpressionWalker.Validate(validation, indexerExpr.TargetObject, false);
if (targetExprInfo == null) // error occurred, so simply return
return null;
targetType = targetExprInfo.ExpressionType;
if (targetType == null)
return null;
// if an error occurred (targetType == null), continue on to validate the arguments
if (targetType == typeof(NullLiteral))
{
message = string.Format(CultureInfo.CurrentCulture, Messages.NullIndexerTarget);
error = new ValidationError(message, ErrorNumbers.Error_ParameterNotSet);
error.UserData[RuleUserDataKeys.ErrorObject] = indexerExpr;
validation.Errors.Add(error);
targetType = null; // force exit after validating the arguments
}
List<CodeExpression> argExprs = new List<CodeExpression>();
bool hasInvalidArgument = false;
for (int i = 0; i < indexerExpr.Indices.Count; ++i)
{
CodeExpression argExpr = indexerExpr.Indices[i];
if (argExpr == null)
{
error = new ValidationError(Messages.NullIndexExpression, ErrorNumbers.Error_ParameterNotSet);
error.UserData[RuleUserDataKeys.ErrorObject] = indexerExpr;
validation.Errors.Add(error);
hasInvalidArgument = true;
}
else
{
CodeDirectionExpression argDirection = argExpr as CodeDirectionExpression;
if (argDirection != null && argDirection.Direction != FieldDirection.In)
{
// No "ref" or "out" arguments are allowed on indexer arguments.
error = new ValidationError(Messages.IndexerArgCannotBeRefOrOut, ErrorNumbers.Error_IndexerArgCannotBeRefOrOut);
error.UserData[RuleUserDataKeys.ErrorObject] = indexerExpr;
validation.Errors.Add(error);
hasInvalidArgument = true;
}
if (argExpr is CodeTypeReferenceExpression)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.CodeExpressionNotHandled, argExpr.GetType().FullName);
error = new ValidationError(message, ErrorNumbers.Error_CodeExpressionNotHandled);
error.UserData[RuleUserDataKeys.ErrorObject] = argExpr;
validation.AddError(error);
hasInvalidArgument = true;
}
// Validate the argument.
RuleExpressionInfo argExprInfo = RuleExpressionWalker.Validate(validation, argExpr, false);
if (argExprInfo == null)
hasInvalidArgument = true;
else
argExprs.Add(argExpr);
}
}
// Stop further validation if there was a problem with the target expression.
if (targetType == null)
return null;
// Stop further validation if there was a problem with any of the arguments.
if (hasInvalidArgument)
return null;
BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance;
if (validation.AllowInternalMembers(targetType))
{
bindingFlags |= BindingFlags.NonPublic;
includeNonPublic = true;
}
// Everything okay so far, try to resolve the method.
propExprInfo = validation.ResolveIndexerProperty(targetType, bindingFlags, argExprs, out error);
if (propExprInfo == null)
{
error.UserData[RuleUserDataKeys.ErrorObject] = indexerExpr;
validation.Errors.Add(error);
return null;
}
}
finally
{
validation.PopParentExpression();
}
PropertyInfo pi = propExprInfo.PropertyInfo;
MethodInfo accessorMethod = isWritten ? pi.GetSetMethod(includeNonPublic) : pi.GetGetMethod(includeNonPublic);
if (accessorMethod == null)
{
string baseMessage = isWritten ? Messages.UnknownPropertySet : Messages.UnknownPropertyGet;
message = string.Format(CultureInfo.CurrentCulture, baseMessage, pi.Name, RuleDecompiler.DecompileType(targetType));
error = new ValidationError(message, ErrorNumbers.Error_CannotResolveMember);
error.UserData[RuleUserDataKeys.ErrorObject] = indexerExpr;
validation.Errors.Add(error);
return null;
}
if (!validation.ValidateMemberAccess(targetObject, targetType, accessorMethod, pi.Name, indexerExpr))
return null;
// Validate any RuleAttributes, if present.
object[] attrs = pi.GetCustomAttributes(typeof(RuleAttribute), true);
if (attrs != null && attrs.Length > 0)
{
Stack<MemberInfo> methodStack = new Stack<MemberInfo>();
methodStack.Push(pi);
bool allAttributesValid = true;
foreach (RuleAttribute ruleAttr in attrs)
{
if (!ruleAttr.Validate(validation, pi, targetType, pi.GetIndexParameters()))
allAttributesValid = false;
}
methodStack.Pop();
if (!allAttributesValid)
return null;
}
return propExprInfo;
}
internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
string message;
CodePropertyReferenceExpression propGetExpr = (CodePropertyReferenceExpression)expression;
if (propGetExpr.TargetObject == null)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.NullPropertyTarget, propGetExpr.PropertyName);
ValidationError error = new ValidationError(message, ErrorNumbers.Error_ParameterNotSet);
error.UserData[RuleUserDataKeys.ErrorObject] = propGetExpr;
validation.Errors.Add(error);
return null;
}
// Early exit from this if a cycle is detected.
if (!validation.PushParentExpression(propGetExpr))
return null;
RuleExpressionInfo targetExprInfo = RuleExpressionWalker.Validate(validation, propGetExpr.TargetObject, false);
validation.PopParentExpression();
if (targetExprInfo == null) // error occurred, so simply return
return null;
Type targetType = targetExprInfo.ExpressionType;
if (targetType == null) // no type, so must have been an error already
return null;
if (targetType == typeof(NullLiteral))
{
message = string.Format(CultureInfo.CurrentCulture, Messages.NullPropertyTarget, propGetExpr.PropertyName);
ValidationError error = new ValidationError(message, ErrorNumbers.Error_BindingTypeMissing);
error.UserData[RuleUserDataKeys.ErrorObject] = propGetExpr;
validation.Errors.Add(error);
return null;
}
bool includeNonPublic = false;
BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static | BindingFlags.FlattenHierarchy;
if (validation.AllowInternalMembers(targetType))
{
bindingFlags |= BindingFlags.NonPublic;
includeNonPublic = true;
}
PropertyInfo pi = validation.ResolveProperty(targetType, propGetExpr.PropertyName, bindingFlags);
if (pi == null)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.UnknownProperty, propGetExpr.PropertyName, RuleDecompiler.DecompileType(targetType));
ValidationError error = new ValidationError(message, ErrorNumbers.Error_CannotResolveMember);
error.UserData[RuleUserDataKeys.ErrorObject] = propGetExpr;
validation.Errors.Add(error);
return null;
}
if (pi.PropertyType == null)
{
// This can only happen with a design-time type.
message = string.Format(CultureInfo.CurrentCulture, Messages.CouldNotDetermineMemberType, propGetExpr.PropertyName);
ValidationError error = new ValidationError(message, ErrorNumbers.Error_CouldNotDetermineMemberType);
error.UserData[RuleUserDataKeys.ErrorObject] = propGetExpr;
validation.Errors.Add(error);
return null;
}
MethodInfo accessorMethod = isWritten ? pi.GetSetMethod(includeNonPublic) : pi.GetGetMethod(includeNonPublic);
if (accessorMethod == null)
{
string baseMessage = isWritten ? Messages.UnknownPropertySet : Messages.UnknownPropertyGet;
message = string.Format(CultureInfo.CurrentCulture, baseMessage, propGetExpr.PropertyName, RuleDecompiler.DecompileType(targetType));
ValidationError error = new ValidationError(message, ErrorNumbers.Error_CannotResolveMember);
error.UserData[RuleUserDataKeys.ErrorObject] = propGetExpr;
validation.Errors.Add(error);
return null;
}
if (!validation.ValidateMemberAccess(propGetExpr.TargetObject, targetType, accessorMethod, propGetExpr.PropertyName, propGetExpr))
return null;
// Validate any RuleAttributes, if present.
object[] attrs = pi.GetCustomAttributes(typeof(RuleAttribute), true);
if (attrs != null && attrs.Length > 0)
{
Stack<MemberInfo> methodStack = new Stack<MemberInfo>();
methodStack.Push(pi);
bool allAttributesValid = true;
foreach (RuleAttribute ruleAttr in attrs)
{
if (!ruleAttr.Validate(validation, pi, targetType, null))
allAttributesValid = false;
}
methodStack.Pop();
if (!allAttributesValid)
return null;
}
return new RulePropertyExpressionInfo(pi, pi.PropertyType, false);
}
internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
Type expressionType = null;
RuleMethodInvokeExpressionInfo info = null;
ValidationError item = null;
BindingFlags @public = BindingFlags.Public;
CodeMethodInvokeExpression newParent = (CodeMethodInvokeExpression) expression;
if (isWritten)
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CannotWriteToExpression, new object[] { typeof(CodeMethodInvokeExpression).ToString() }), 0x17a);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return null;
}
if ((newParent.Method == null) || (newParent.Method.TargetObject == null))
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullMethodTarget, new object[] { newParent.Method.MethodName }), 0x53d);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return null;
}
if ((newParent.Method.TypeArguments != null) && (newParent.Method.TypeArguments.Count > 0))
{
item = new ValidationError(Messages.GenericMethodsNotSupported, 0x548);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return null;
}
try
{
if (!validation.PushParentExpression(newParent))
{
return null;
}
RuleExpressionInfo info2 = RuleExpressionWalker.Validate(validation, newParent.Method.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.NullMethodTarget, new object[] { newParent.Method.MethodName }), 0x546);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
expressionType = null;
}
List<CodeExpression> argumentExprs = new List<CodeExpression>();
bool flag = false;
if (newParent.Parameters != null)
{
for (int i = 0; i < newParent.Parameters.Count; i++)
{
CodeExpression expression3 = newParent.Parameters[i];
if (expression3 == null)
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullMethodParameter, new object[] { i.ToString(CultureInfo.CurrentCulture), newParent.Method.MethodName }), 0x53d);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
expressionType = null;
}
else
{
if (expression3 is CodeTypeReferenceExpression)
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CodeExpressionNotHandled, new object[] { expression3.GetType().FullName }), 0x548);
item.UserData["ErrorObject"] = expression3;
validation.AddError(item);
flag = true;
}
if (RuleExpressionWalker.Validate(validation, expression3, false) == null)
{
flag = true;
}
argumentExprs.Add(expression3);
}
}
}
if (expressionType == null)
{
return null;
}
if (flag)
{
return null;
}
if (newParent.Method.TargetObject is CodeTypeReferenceExpression)
{
@public |= BindingFlags.FlattenHierarchy | BindingFlags.Static;
}
else
{
@public |= BindingFlags.Instance;
}
if (validation.AllowInternalMembers(expressionType))
{
@public |= BindingFlags.NonPublic;
}
info = validation.ResolveMethod(expressionType, newParent.Method.MethodName, @public, argumentExprs, out item);
if ((info == null) && newParent.UserData.Contains("QualifiedName"))
{
string qualifiedName = newParent.UserData["QualifiedName"] as string;
Type type2 = validation.ResolveType(qualifiedName);
if (type2 != null)
{
validation.DetermineExtensionMethods(type2.Assembly);
info = validation.ResolveMethod(expressionType, newParent.Method.MethodName, @public, argumentExprs, out item);
}
}
if (info == null)
{
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return null;
}
}
finally
{
validation.PopParentExpression();
}
MethodInfo methodInfo = info.MethodInfo;
if (methodInfo.ReturnType == null)
{
item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CouldNotDetermineMemberType, new object[] { newParent.Method.MethodName }), 0x194);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return null;
}
if (!validation.ValidateMemberAccess(newParent.Method.TargetObject, expressionType, methodInfo, newParent.Method.MethodName, newParent))
{
return null;
}
object[] customAttributes = methodInfo.GetCustomAttributes(typeof(RuleAttribute), true);
if ((customAttributes != null) && (customAttributes.Length > 0))
{
Stack<MemberInfo> stack = new Stack<MemberInfo>();
stack.Push(methodInfo);
bool flag2 = true;
foreach (RuleAttribute attribute in customAttributes)
{
if (!attribute.Validate(validation, methodInfo, expressionType, methodInfo.GetParameters()))
{
flag2 = false;
}
}
stack.Pop();
if (!flag2)
{
return null;
}
}
if (methodInfo is ExtensionMethodInfo)
{
newParent.UserData["QualifiedName"] = methodInfo.DeclaringType.AssemblyQualifiedName;
}
return info;
}
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);
}
internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
CodeFieldReferenceExpression newParent = (CodeFieldReferenceExpression)expression;
if (newParent.TargetObject == null)
{
ValidationError item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullFieldTarget, new object[] { newParent.FieldName }), 0x53d);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return(null);
}
if (!validation.PushParentExpression(newParent))
{
return(null);
}
RuleExpressionInfo info = RuleExpressionWalker.Validate(validation, newParent.TargetObject, false);
validation.PopParentExpression();
if (info == null)
{
return(null);
}
Type expressionType = info.ExpressionType;
if (expressionType == null)
{
return(null);
}
if (expressionType == typeof(NullLiteral))
{
ValidationError error2 = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullFieldTarget, new object[] { newParent.FieldName }), 0x546);
error2.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error2);
return(null);
}
BindingFlags @public = BindingFlags.Public;
if (newParent.TargetObject is CodeTypeReferenceExpression)
{
@public |= BindingFlags.FlattenHierarchy | BindingFlags.Static;
}
else
{
@public |= BindingFlags.Instance;
}
if (validation.AllowInternalMembers(expressionType))
{
@public |= BindingFlags.NonPublic;
}
FieldInfo field = expressionType.GetField(newParent.FieldName, @public);
if (field == null)
{
ValidationError error3 = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.UnknownField, new object[] { newParent.FieldName, RuleDecompiler.DecompileType(expressionType) }), 0x54a);
error3.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error3);
return(null);
}
if (field.FieldType == null)
{
ValidationError error4 = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CouldNotDetermineMemberType, new object[] { newParent.FieldName }), 0x194);
error4.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error4);
return(null);
}
if (isWritten && field.IsLiteral)
{
ValidationError error5 = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.FieldSetNotAllowed, new object[] { newParent.FieldName, RuleDecompiler.DecompileType(expressionType) }), 0x17a);
error5.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error5);
return(null);
}
if (!validation.ValidateMemberAccess(newParent.TargetObject, expressionType, field, field.Name, newParent))
{
return(null);
}
validation.IsAuthorized(field.FieldType);
return(new RuleFieldExpressionInfo(field));
}
internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
string message;
CodeFieldReferenceExpression fieldRefExpr = (CodeFieldReferenceExpression)expression;
if (fieldRefExpr.TargetObject == null)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.NullFieldTarget, fieldRefExpr.FieldName);
ValidationError error = new ValidationError(message, ErrorNumbers.Error_ParameterNotSet);
error.UserData[RuleUserDataKeys.ErrorObject] = fieldRefExpr;
validation.Errors.Add(error);
return null;
}
// Early exit from this if a cycle is detected.
if (!validation.PushParentExpression(fieldRefExpr))
return null;
RuleExpressionInfo targetExprInfo = RuleExpressionWalker.Validate(validation, fieldRefExpr.TargetObject, false);
validation.PopParentExpression();
if (targetExprInfo == null) // error occurred, so simply return
return null;
Type targetType = targetExprInfo.ExpressionType;
if (targetType == null) // no type, so must have been an error already
return null;
if (targetType == typeof(NullLiteral))
{
message = string.Format(CultureInfo.CurrentCulture, Messages.NullFieldTarget, fieldRefExpr.FieldName);
ValidationError error = new ValidationError(message, ErrorNumbers.Error_BindingTypeMissing);
error.UserData[RuleUserDataKeys.ErrorObject] = fieldRefExpr;
validation.Errors.Add(error);
return null;
}
BindingFlags bindingFlags = BindingFlags.Public;
if (fieldRefExpr.TargetObject is CodeTypeReferenceExpression)
bindingFlags |= BindingFlags.Static | BindingFlags.FlattenHierarchy;
else
bindingFlags |= BindingFlags.Instance;
if (validation.AllowInternalMembers(targetType))
bindingFlags |= BindingFlags.NonPublic;
FieldInfo fi = targetType.GetField(fieldRefExpr.FieldName, bindingFlags);
if (fi == null)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.UnknownField, fieldRefExpr.FieldName, RuleDecompiler.DecompileType(targetType));
ValidationError error = new ValidationError(message, ErrorNumbers.Error_CannotResolveMember);
error.UserData[RuleUserDataKeys.ErrorObject] = fieldRefExpr;
validation.Errors.Add(error);
return null;
}
if (fi.FieldType == null)
{
// This can only happen with a design-time type.
message = string.Format(CultureInfo.CurrentCulture, Messages.CouldNotDetermineMemberType, fieldRefExpr.FieldName);
ValidationError error = new ValidationError(message, ErrorNumbers.Error_CouldNotDetermineMemberType);
error.UserData[RuleUserDataKeys.ErrorObject] = fieldRefExpr;
validation.Errors.Add(error);
return null;
}
if (isWritten && fi.IsLiteral)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.FieldSetNotAllowed, fieldRefExpr.FieldName, RuleDecompiler.DecompileType(targetType));
ValidationError error = new ValidationError(message, ErrorNumbers.Error_InvalidAssignTarget);
error.UserData[RuleUserDataKeys.ErrorObject] = fieldRefExpr;
validation.Errors.Add(error);
return null;
}
if (!validation.ValidateMemberAccess(fieldRefExpr.TargetObject, targetType, fi, fi.Name, fieldRefExpr))
return null;
// Is it possible to set fi by validation.ResolveFieldOrProperty(targetType, fieldExpr.FieldName)?
validation.IsAuthorized(fi.FieldType);
return new RuleFieldExpressionInfo(fi);
}
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;
}
internal override bool Validate(RuleValidation validation, MemberInfo member, Type contextType, ParameterInfo[] parameters)
{
ValidationError error = null;
if (string.IsNullOrEmpty(this.attributePath))
{
return true;
}
string[] strArray = this.attributePath.Split(new char[] { '/' });
string str2 = strArray[0];
int num = 0;
if (this.attributeTarget == RuleAttributeTarget.This)
{
if (str2 == "this")
{
num++;
}
}
else
{
bool flag2 = false;
for (int j = 0; j < parameters.Length; j++)
{
ParameterInfo info = parameters[j];
if (info.Name == str2)
{
flag2 = true;
contextType = info.ParameterType;
break;
}
}
if (!flag2)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.InvalidRuleAttributeParameter, new object[] { str2, member.Name }), 420);
error.UserData["ErrorObject"] = this;
validation.AddError(error);
return false;
}
num++;
}
int length = strArray.Length;
string str3 = strArray[length - 1];
if (string.IsNullOrEmpty(str3) || (str3 == "*"))
{
length--;
}
Type fieldType = contextType;
for (int i = num; i < length; i++)
{
if (!(strArray[i] == "*"))
{
goto Label_0171;
}
error = new ValidationError(Messages.InvalidWildCardInPathQualifier, 0x195);
error.UserData["ErrorObject"] = this;
validation.AddError(error);
return false;
Label_0168:
fieldType = fieldType.GetElementType();
Label_0171:
if (fieldType.IsArray)
{
goto Label_0168;
}
BindingFlags bindingAttr = BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance;
if (validation.AllowInternalMembers(fieldType))
{
bindingAttr |= BindingFlags.NonPublic;
}
FieldInfo field = fieldType.GetField(strArray[i], bindingAttr);
if (field != null)
{
fieldType = field.FieldType;
}
else
{
PropertyInfo property = fieldType.GetProperty(strArray[i], bindingAttr);
if (property != null)
{
fieldType = property.PropertyType;
}
else
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.UpdateUnknownFieldOrProperty, new object[] { strArray[i] }), 390);
error.UserData["ErrorObject"] = this;
validation.AddError(error);
return false;
}
}
}
return true;
}
public override bool Validate(RuleValidation validator)
{
if (validator == null)
{
throw new ArgumentNullException("validator");
}
bool success = true;
if (path == null)
{
ValidationError error = new ValidationError(Messages.NullUpdate, ErrorNumbers.Error_ParameterNotSet);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validator.AddError(error);
success = false;
}
// now make sure that the path is valid
string[] parts = path.Split('/');
if (parts[0] == "this")
{
Type currentType = validator.ThisType;
for (int i = 1; i < parts.Length; ++i)
{
if (parts[i] == "*")
{
if (i < parts.Length - 1)
{
// The "*" occurred in the middle of the path, which is a no-no.
ValidationError error = new ValidationError(Messages.InvalidWildCardInPathQualifier, ErrorNumbers.Error_InvalidWildCardInPathQualifier);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validator.AddError(error);
success = false;
break;
}
else
{
// It occurred at the end, which is okay.
break;
}
}
else if (string.IsNullOrEmpty(parts[i]) && i == parts.Length - 1)
{
// It's okay to end with a "/".
break;
}
while (currentType.IsArray)
{
currentType = currentType.GetElementType();
}
BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static | BindingFlags.FlattenHierarchy;
if (validator.AllowInternalMembers(currentType))
{
bindingFlags |= BindingFlags.NonPublic;
}
FieldInfo field = currentType.GetField(parts[i], bindingFlags);
if (field != null)
{
currentType = field.FieldType;
}
else
{
PropertyInfo property = currentType.GetProperty(parts[i], bindingFlags);
if (property != null)
{
currentType = property.PropertyType;
}
else
{
string message = string.Format(CultureInfo.CurrentCulture, Messages.UpdateUnknownFieldOrProperty, parts[i]);
ValidationError error = new ValidationError(message, ErrorNumbers.Error_InvalidUpdate);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validator.AddError(error);
success = false;
break;
}
}
}
}
else
{
ValidationError error = new ValidationError(Messages.UpdateNotThis, ErrorNumbers.Error_InvalidUpdate);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validator.AddError(error);
success = false;
}
return(success);
}
internal override bool Validate(RuleValidation validation, MemberInfo member, Type contextType, ParameterInfo[] parameters)
{
ValidationError error = null;
string message = null;
if (string.IsNullOrEmpty(attributePath))
{
// It is allowed to pass null or the empty string to [RuleRead] or [RuleWrite]. This
// is how you indicate that a method or property has no dependencies or side effects.
return true;
}
bool valid = true;
string[] parts = attributePath.Split('/');
// Check the first part.
string firstPart = parts[0];
int startOfRelativePortion = 0;
if (attributeTarget == RuleAttributeTarget.This)
{
// When target is "This", the path is allowed to start with the token "this". It is
// then skipped for the rest of the validation, and the contextType remains what it
// was when passed in.
if (firstPart == "this")
++startOfRelativePortion;
}
else
{
// When target is "Parameter", the path must start with the name of a parameter.
bool found = false;
for (int p = 0; p < parameters.Length; ++p)
{
ParameterInfo param = parameters[p];
if (param.Name == firstPart)
{
found = true;
// The context type is the parameter type.
contextType = param.ParameterType;
break;
}
}
if (!found)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.InvalidRuleAttributeParameter, firstPart, member.Name);
error = new ValidationError(message, ErrorNumbers.Error_InvalidRuleAttributeParameter);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validation.AddError(error);
return false;
}
++startOfRelativePortion;
}
int numParts = parts.Length;
// Check the last part. The last part is allowed to be empty, or "*".
string lastPart = parts[numParts - 1];
if (string.IsNullOrEmpty(lastPart) || lastPart == "*")
numParts -= 1;
// Check the rest of the parts.
Type currentType = contextType;
for (int i = startOfRelativePortion; i < numParts; ++i)
{
// Can't have embedded "*" wildcards.
if (parts[i] == "*")
{
// The "*" occurred in the middle of the path, which is a no-no.
error = new ValidationError(Messages.InvalidWildCardInPathQualifier, ErrorNumbers.Error_InvalidWildCardInPathQualifier);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validation.AddError(error);
valid = false;
break;
}
// Skip array types.
while (currentType.IsArray)
currentType = currentType.GetElementType();
// Make sure the member exists in the current type.
BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static | BindingFlags.FlattenHierarchy;
if (validation.AllowInternalMembers(currentType))
bindingFlags |= BindingFlags.NonPublic;
FieldInfo field = currentType.GetField(parts[i], bindingFlags);
if (field != null)
{
currentType = field.FieldType;
}
else
{
PropertyInfo property = currentType.GetProperty(parts[i], bindingFlags);
if (property != null)
{
currentType = property.PropertyType;
}
else
{
message = string.Format(CultureInfo.CurrentCulture, Messages.UpdateUnknownFieldOrProperty, parts[i]);
error = new ValidationError(message, ErrorNumbers.Error_UnknownFieldOrProperty);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validation.AddError(error);
valid = false;
break;
}
}
}
return valid;
}
internal override bool Validate(RuleValidation validation, MemberInfo member, Type contextType, ParameterInfo[] parameters)
{
ValidationError error = null;
string message = null;
if (string.IsNullOrEmpty(attributePath))
{
// It is allowed to pass null or the empty string to [RuleRead] or [RuleWrite]. This
// is how you indicate that a method or property has no dependencies or side effects.
return(true);
}
bool valid = true;
string[] parts = attributePath.Split('/');
// Check the first part.
string firstPart = parts[0];
int startOfRelativePortion = 0;
if (attributeTarget == RuleAttributeTarget.This)
{
// When target is "This", the path is allowed to start with the token "this". It is
// then skipped for the rest of the validation, and the contextType remains what it
// was when passed in.
if (firstPart == "this")
{
++startOfRelativePortion;
}
}
else
{
// When target is "Parameter", the path must start with the name of a parameter.
bool found = false;
for (int p = 0; p < parameters.Length; ++p)
{
ParameterInfo param = parameters[p];
if (param.Name == firstPart)
{
found = true;
// The context type is the parameter type.
contextType = param.ParameterType;
break;
}
}
if (!found)
{
message = string.Format(CultureInfo.CurrentCulture, Messages.InvalidRuleAttributeParameter, firstPart, member.Name);
error = new ValidationError(message, ErrorNumbers.Error_InvalidRuleAttributeParameter);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validation.AddError(error);
return(false);
}
++startOfRelativePortion;
}
int numParts = parts.Length;
// Check the last part. The last part is allowed to be empty, or "*".
string lastPart = parts[numParts - 1];
if (string.IsNullOrEmpty(lastPart) || lastPart == "*")
{
numParts -= 1;
}
// Check the rest of the parts.
Type currentType = contextType;
for (int i = startOfRelativePortion; i < numParts; ++i)
{
// Can't have embedded "*" wildcards.
if (parts[i] == "*")
{
// The "*" occurred in the middle of the path, which is a no-no.
error = new ValidationError(Messages.InvalidWildCardInPathQualifier, ErrorNumbers.Error_InvalidWildCardInPathQualifier);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validation.AddError(error);
valid = false;
break;
}
// Skip array types.
while (currentType.IsArray)
{
currentType = currentType.GetElementType();
}
// Make sure the member exists in the current type.
BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static | BindingFlags.FlattenHierarchy;
if (validation.AllowInternalMembers(currentType))
{
bindingFlags |= BindingFlags.NonPublic;
}
FieldInfo field = currentType.GetField(parts[i], bindingFlags);
if (field != null)
{
currentType = field.FieldType;
}
else
{
PropertyInfo property = currentType.GetProperty(parts[i], bindingFlags);
if (property != null)
{
currentType = property.PropertyType;
}
else
{
message = string.Format(CultureInfo.CurrentCulture, Messages.UpdateUnknownFieldOrProperty, parts[i]);
error = new ValidationError(message, ErrorNumbers.Error_UnknownFieldOrProperty);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validation.AddError(error);
valid = false;
break;
}
}
}
return(valid);
}
internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
CodePropertyReferenceExpression newParent = (CodePropertyReferenceExpression)expression;
if (newParent.TargetObject == null)
{
ValidationError error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullPropertyTarget, new object[] { newParent.PropertyName }), 0x53d);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return(null);
}
if (!validation.PushParentExpression(newParent))
{
return(null);
}
RuleExpressionInfo info = RuleExpressionWalker.Validate(validation, newParent.TargetObject, false);
validation.PopParentExpression();
if (info == null)
{
return(null);
}
Type expressionType = info.ExpressionType;
if (expressionType == null)
{
return(null);
}
if (expressionType == typeof(NullLiteral))
{
ValidationError error2 = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullPropertyTarget, new object[] { newParent.PropertyName }), 0x546);
error2.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error2);
return(null);
}
bool nonPublic = false;
BindingFlags bindingFlags = BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance;
if (validation.AllowInternalMembers(expressionType))
{
bindingFlags |= BindingFlags.NonPublic;
nonPublic = true;
}
PropertyInfo item = validation.ResolveProperty(expressionType, newParent.PropertyName, bindingFlags);
if (item == null)
{
ValidationError error3 = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.UnknownProperty, new object[] { newParent.PropertyName, RuleDecompiler.DecompileType(expressionType) }), 0x54a);
error3.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error3);
return(null);
}
if (item.PropertyType == null)
{
ValidationError error4 = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CouldNotDetermineMemberType, new object[] { newParent.PropertyName }), 0x194);
error4.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error4);
return(null);
}
MethodInfo accessorMethod = isWritten ? item.GetSetMethod(nonPublic) : item.GetGetMethod(nonPublic);
if (accessorMethod == null)
{
string format = isWritten ? Messages.UnknownPropertySet : Messages.UnknownPropertyGet;
ValidationError error5 = new ValidationError(string.Format(CultureInfo.CurrentCulture, format, new object[] { newParent.PropertyName, RuleDecompiler.DecompileType(expressionType) }), 0x54a);
error5.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error5);
return(null);
}
if (!validation.ValidateMemberAccess(newParent.TargetObject, expressionType, accessorMethod, newParent.PropertyName, newParent))
{
return(null);
}
object[] customAttributes = item.GetCustomAttributes(typeof(RuleAttribute), true);
if ((customAttributes != null) && (customAttributes.Length > 0))
{
Stack <MemberInfo> stack = new Stack <MemberInfo>();
stack.Push(item);
bool flag2 = true;
foreach (RuleAttribute attribute in customAttributes)
{
if (!attribute.Validate(validation, item, expressionType, null))
{
flag2 = false;
}
}
stack.Pop();
if (!flag2)
{
return(null);
}
}
return(new RulePropertyExpressionInfo(item, item.PropertyType, false));
}
internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
CodeFieldReferenceExpression newParent = (CodeFieldReferenceExpression) expression;
if (newParent.TargetObject == null)
{
ValidationError item = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullFieldTarget, new object[] { newParent.FieldName }), 0x53d);
item.UserData["ErrorObject"] = newParent;
validation.Errors.Add(item);
return null;
}
if (!validation.PushParentExpression(newParent))
{
return null;
}
RuleExpressionInfo info = RuleExpressionWalker.Validate(validation, newParent.TargetObject, false);
validation.PopParentExpression();
if (info == null)
{
return null;
}
Type expressionType = info.ExpressionType;
if (expressionType == null)
{
return null;
}
if (expressionType == typeof(NullLiteral))
{
ValidationError error2 = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullFieldTarget, new object[] { newParent.FieldName }), 0x546);
error2.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error2);
return null;
}
BindingFlags @public = BindingFlags.Public;
if (newParent.TargetObject is CodeTypeReferenceExpression)
{
@public |= BindingFlags.FlattenHierarchy | BindingFlags.Static;
}
else
{
@public |= BindingFlags.Instance;
}
if (validation.AllowInternalMembers(expressionType))
{
@public |= BindingFlags.NonPublic;
}
FieldInfo field = expressionType.GetField(newParent.FieldName, @public);
if (field == null)
{
ValidationError error3 = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.UnknownField, new object[] { newParent.FieldName, RuleDecompiler.DecompileType(expressionType) }), 0x54a);
error3.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error3);
return null;
}
if (field.FieldType == null)
{
ValidationError error4 = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CouldNotDetermineMemberType, new object[] { newParent.FieldName }), 0x194);
error4.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error4);
return null;
}
if (isWritten && field.IsLiteral)
{
ValidationError error5 = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.FieldSetNotAllowed, new object[] { newParent.FieldName, RuleDecompiler.DecompileType(expressionType) }), 0x17a);
error5.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error5);
return null;
}
if (!validation.ValidateMemberAccess(newParent.TargetObject, expressionType, field, field.Name, newParent))
{
return null;
}
validation.IsAuthorized(field.FieldType);
return new RuleFieldExpressionInfo(field);
}
internal override RuleExpressionInfo Validate(CodeExpression expression, RuleValidation validation, bool isWritten)
{
ValidationError error;
CodeObjectCreateExpression newParent = (CodeObjectCreateExpression) expression;
if (isWritten)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.CannotWriteToExpression, new object[] { typeof(CodeObjectCreateExpression).ToString() }), 0x17a);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return null;
}
if (newParent.CreateType == null)
{
error = new ValidationError(Messages.NullTypeType, 0x53d);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return null;
}
Type type = validation.ResolveType(newParent.CreateType);
if (type == null)
{
return null;
}
List<CodeExpression> argumentExprs = new List<CodeExpression>();
try
{
if (!validation.PushParentExpression(newParent))
{
return null;
}
bool flag = false;
for (int i = 0; i < newParent.Parameters.Count; i++)
{
CodeExpression expression3 = newParent.Parameters[i];
if (expression3 == null)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.NullConstructorParameter, new object[] { i.ToString(CultureInfo.CurrentCulture), RuleDecompiler.DecompileType(type) }), 0x53d);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
flag = true;
}
else
{
if (RuleExpressionWalker.Validate(validation, expression3, false) == null)
{
flag = true;
}
argumentExprs.Add(expression3);
}
}
if (flag)
{
return null;
}
}
finally
{
validation.PopParentExpression();
}
BindingFlags constructorBindingFlags = BindingFlags.Public | BindingFlags.Instance;
if (validation.AllowInternalMembers(type))
{
constructorBindingFlags |= BindingFlags.NonPublic;
}
if (type.IsValueType && (argumentExprs.Count == 0))
{
return new RuleExpressionInfo(type);
}
if (type.IsAbstract)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.UnknownConstructor, new object[] { RuleDecompiler.DecompileType(type) }), 0x137);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return null;
}
RuleConstructorExpressionInfo info2 = validation.ResolveConstructor(type, constructorBindingFlags, argumentExprs, out error);
if (info2 == null)
{
error = new ValidationError(string.Format(CultureInfo.CurrentCulture, Messages.UnknownConstructor, new object[] { RuleDecompiler.DecompileType(type) }), 0x137);
error.UserData["ErrorObject"] = newParent;
validation.Errors.Add(error);
return null;
}
return info2;
}
