private XmlReaderSettingsEnvironment AnalyzeObjectCreationForXmlReaderSettings(SyntaxNode node, SemanticModel model)
{
var env = new XmlReaderSettingsEnvironment(AreDefaultsSecure, XmlTypes.XmlReaderSettings, node);
foreach (SyntaxNode arg in SyntaxNodeHelper.GetObjectInitializerExpressionNodes(node))
{
SyntaxNode argLhs = SyntaxNodeHelper.GetAssignmentLeftNode(arg);
SyntaxNode argRhs = SyntaxNodeHelper.GetAssignmentRightNode(arg);
ISymbol argLhsSymbol = SyntaxNodeHelper.GetSymbol(argLhs, model);
if (SecurityDiagnosticHelpers.IsXmlReaderSettingsXmlResolverProperty(SyntaxNodeHelper.GetSymbol(argLhs, model), XmlTypes))
{
env.IsSecureResolver = SyntaxNodeHelper.NodeHasConstantValueNull(argRhs, model) ||
SecurityDiagnosticHelpers.IsXmlSecureResolverType(model.GetTypeInfo(argRhs).Type, XmlTypes);
}
else if (SecurityDiagnosticHelpers.IsXmlReaderSettingsDtdProcessingProperty(argLhsSymbol, XmlTypes))
{
env.IsDtdProcessingDisabled = !SyntaxNodeHelper.NodeHasConstantValue(argRhs, model, 2 /*DtdProcessing.Parse*/);
}
else if (SecurityDiagnosticHelpers.IsXmlReaderSettingsProhibitDtdProperty(argLhsSymbol, XmlTypes))
{
env.IsDtdProcessingDisabled = !SyntaxNodeHelper.NodeHasConstantValue(argRhs, model, false);
}
else if (SecurityDiagnosticHelpers.IsXmlReaderSettingsMaxCharactersFromEntitiesProperty(argLhsSymbol, XmlTypes))
{
env.IsMaxCharactersFromEntitiesLimited = !SyntaxNodeHelper.NodeHasConstantValue(argRhs, model, 0);
}
}
return(env);
}