// Executing operations against each file in a fileArray
private static Tuple <string, int> ExecuteFileOperations(string filePath)
{
FolderMain xData = ValidateDeserializeData(filePath);
if (xData != null)
{
List <Folder> folderList = xData.Folder;
int calculationNum = 0;
double result = 0.0;
foreach (var value in folderList)
{
try
{
Operands op = value.StrSecond.Operand;
int mod = Int32.Parse(value.Mod.Value);
result = CalculateFileResult(result, mod, op);
calculationNum++;
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
continue;
}
}
Console.WriteLine("File: {0}", filePath);
Console.WriteLine("Result is: {0}", result);
Console.WriteLine("Number of calculations: {0}", calculationNum);
Console.WriteLine();
var fileOutTuple = new Tuple <string, int>(filePath, calculationNum);
return(fileOutTuple);
}
else
{
return(null);
}
}
// Validation and deseralization
private static FolderMain ValidateDeserializeData(string filePath)
{
XmlSerializer deserializer = new XmlSerializer(typeof(FolderMain));
FolderMain xmlData = null;
XmlReaderSettings settings = new XmlReaderSettings();
settings.ValidationType = ValidationType.Schema;
settings.Schemas.Add(null, "XmlSchema.xsd");
settings.ValidationFlags |= XmlSchemaValidationFlags.ProcessInlineSchema;
settings.ValidationFlags |= XmlSchemaValidationFlags.ReportValidationWarnings;
settings.ValidationEventHandler += new ValidationEventHandler(ValidationCallback);
XmlReader reader = XmlReader.Create(filePath, settings);
try
{
xmlData = (FolderMain)deserializer.Deserialize(reader);
}
catch (InvalidOperationException e)
{
Debug.WriteLine("Debug: " + e.Message);
Console.WriteLine("Wrong operation type is provided for file {0}. \n" +
"Check operand attributes. Only \"add\", \"divide\", \"multiply\" and \"subtract\" operations are possible. \n", filePath);
}
void ValidationCallback(object sender, ValidationEventArgs e)
{
Console.Write(e.Severity + ": ");
Console.WriteLine(e.Message);
Console.WriteLine("File: {0}, Number of line: {1}, Number of position: {2}", filePath, e.Exception.LineNumber, e.Exception.LinePosition);
Console.WriteLine();
}
return(xmlData);
}
