// CONSTRUCTEUR
/// <summary>
/// Creates an instance of the XmlRulesBaseParser
/// </summary>
public XmlRulesBaseParser()
{
name = null;
version = 0.0f;
date = DateTime.Today;
rulesBase = new RulesBase();
errorCode = XmlRulesBaseParserErrorCode.SUCCESS;
}
/// <summary>
/// Creates and returns RulesBase object from the given XML file, argument must be a valid xml file path, otherwise null is returned
/// </summary>
/// <param name="a_source">XML Source file path</param>
/// <returns>RulesBase object generated from an XML file, null is returned if parsing is unsuccessful</returns>
public RulesBase CreateRulesBase(object a_source)
{
if (a_source != null)
{
try
{
string fileName = (string)a_source;
XDocument xmlDoc = XDocument.Load(fileName);
var ruleElements = from XElement element in xmlDoc.Descendants("Rule")
select element;
foreach (XElement element in ruleElements)
{
Rule newRule = ParseRule(element);
if (newRule == null)
{
throw new NullReferenceException(); // Pour affecter errorCode => voir catch
}
rulesBase.Rules.Add(newRule);
}
name = xmlDoc.Descendants("RulesBaseInfo").FirstOrDefault().Descendants("Name").FirstOrDefault().Value;
float version = 0.0f;
if (float.TryParse(xmlDoc.Descendants("RulesBaseInfo").FirstOrDefault().Descendants("Issue").FirstOrDefault().Value, out version))
{
this.version = version;
}
int day = 1;
bool isDayCorrect = int.TryParse(xmlDoc.Descendants("RulesBaseInfo").FirstOrDefault().Descendants("Date").FirstOrDefault().Attribute("day").Value, out day);
int month = 1;
bool isMonthCorrect = int.TryParse(xmlDoc.Descendants("RulesBaseInfo").FirstOrDefault().Descendants("Date").FirstOrDefault().Attribute("month").Value, out month);
int year = 0;
bool isYearCorrect = int.TryParse(xmlDoc.Descendants("RulesBaseInfo").FirstOrDefault().Descendants("Date").FirstOrDefault().Attribute("year").Value, out year);
if (isDayCorrect && isMonthCorrect && isYearCorrect)
{
try
{
date = new DateTime(year, month, day);
}
catch (Exception)
{
// Format de la date incorrect
// Pas d'action, donnée non essentielle
}
}
}
catch (XmlException)
{
errorCode = XmlRulesBaseParserErrorCode.ERROR_NOT_XML_FILE;
rulesBase = null;
}
catch (NullReferenceException)
{
errorCode = XmlRulesBaseParserErrorCode.ERROR_INCOMPLETE_XML_FILE;
rulesBase = null;
}
catch (Exception ex)
{
Console.WriteLine(ex.GetType() + " " + ex.Message + " " + ex.Source.ToString());
errorCode = XmlRulesBaseParserErrorCode.ERROR_UNKNOWN;
rulesBase = null;
}
}
return(rulesBase);
}
