/// <summary>
/// Processes the source and destination documents from the supplied rules file
/// </summary>
/// <exception cref="SpencerGifts.Translate.RuleMappingException"></exception>
/// <exception cref="SpencerGifts.Translate.RuleConditionException"></exception>
/// <exception cref="SpencerGifts.Translate.RuleActionException"></exception>
/// <exception cref="SpencerGifts.Translate.RuleConditionException"></exception>
virtual protected void Process()
{
//Thread.CurrentThread.Priority = ThreadPriority.Lowest;
//The xml document that will hold the final transalted document
XmlDocument NewDestination = new XmlDocument();
//Start the document
XmlDeclaration xmlDeclaration = NewDestination.CreateXmlDeclaration("1.0", "utf-8", null);
//The Root node of the document
XmlElement rootNode = NewDestination.CreateElement("ConvertedTLog");
NewDestination.InsertBefore(xmlDeclaration, NewDestination.DocumentElement);
NewDestination.AppendChild(rootNode);
XmlElement Parent = NewDestination.CreateElement(NewDocumentRoot);
rootNode.AppendChild(Parent);
using (XmlReader reader = SourceDocument)
{
//Get the root level node of the source document
reader.MoveToContent();
reader.ReadStartElement();
//Execute the before rule process event
//BeforeProcess(list, null);
//BeforeProcess(reader, null);
//Collection to hold the rules from supplied rules file
List <IRule> tRules = null;
//Collection used to hold any actions that will need to be performed after rule processing
List <string> ActionsToExecute = new List <string>();
//Collection used to keep track of our actions that we have executed. This is used for the rules that have ProcessAsGroup = True (Defaults to False);
//If we do not keep track of these they will execute everytime the condition is met instead of only one time.
ActionsExecuted = new List <string>();
//Start looping through the source document and apply the rules as needed.
int RecordCount = 0;
//Start Reading through the xml doc
while (!reader.EOF)
{
XmlDocument CurrentTransDoc = new XmlDocument();
try
{
string xml = reader.ReadOuterXml();
if (string.IsNullOrEmpty(xml))
{
continue;
}
CurrentTransDoc.LoadXml(xml);
//CurrentTransDoc.Load(reader);
#if (DEBUG)
//Console.WriteLine("Processing Transaction " + CurrentTransDoc.SelectSingleNode("//Transaction/@TransNumber").Value + " " + DateTime.Now.ToString("hh:mm:ss"));
#endif
}
catch (Exception exc)
{
LogMessage(exc.Message);
break;
}
BeforeProcess(CurrentTransDoc, null);
XmlNode node = CurrentTransDoc.DocumentElement;
XmlDocument NewDocTemplate = DestinationDocumentTemplate;
//Load our rules if we haven't done so yet
if (tRules == null)
{
tRules = TranslateRules;
}
//Process rules for each Line Item.
//We need to go line by line because there could be multiple lines with the same element definition
ImportNode = false;
foreach (XmlNode ChildNode in node)
{
#if (DEBUG)
//Console.WriteLine("Processing " + ChildNode.Name + " " + DateTime.Now.ToString("hh:mm:ss"));
#endif
TranslateRule tr = GetRule(ChildNode.Name);
//if we dont have a rule for the current line skip it and continue to the next
if (tr == null)
{
continue;
}
//Call the afterruleload even
if (OnAfterRuleLoad != null)
{
TranslateEventArgs args = new TranslateEventArgs();
args.CurrentTranslateItem = ChildNode;
args.OutputDocument = NewDestination;
OnAfterRuleLoad(tr, args);
}
if (!tr.ProcessAsGroup)
{
NewDocTemplate = DestinationDocumentTemplate;
}
//if ExactMapping is set on the rule we will do a 1to1 mapping of attributes prior to any translating;
if (tr.ExactMapping)
{
for (int i = 0, count = ChildNode.Attributes.Count; i < count; i++)
{
NewDocTemplate.SelectSingleNode(tr.DestinationSavePath).Attributes[i].Value = ChildNode.Attributes[i].Value;
}
ImportNode = true;
}
XPathNavigator nav = ChildNode.CreateNavigator();
//bool ImportNode = false;
#region Process 1 to 1 Rule Mappings
if (tr.RuleMappings.Count > 0)
{
//loop through the 1 to 1 mappings first
foreach (RuleMapping mapping in tr.RuleMappings)
{
try
{
//if a type is defined convert it and format it to the type specified\
NewDocTemplate.SelectSingleNode(mapping.DestinationPath).Value = FormatValue(mapping.Format, mapping.FormatType, nav.Evaluate(GetXpathExpression(mapping.SourcePath)).ToString());
ImportNode = true;
}
catch (Exception ex)
{
RuleMappingException excep = new RuleMappingException("Rule Mapping Exception Error", ex);
excep.RuleID = tr.ID;
excep.SourceFile = SourceFile;
excep.MappdingDestinationPath = mapping.DestinationPath;
excep.MappingSourcePath = mapping.SourcePath;
throw (excep);
}
}
}
#endregion
#region Process Rule Conditions
//now evaluate our specific condition rules
bool ContinueProcessing = true;
//XPathNavigator nav = ChildNode.CreateNavigator();
bool ContinueTransaction = true;
foreach (RuleCondition condition in tr.RuleConditions)
{
try
{
ExecuteConditions(condition, NewDocTemplate, nav, ActionsToExecute, ref ContinueProcessing, ref ContinueTransaction);
if (ContinueProcessing && ContinueTransaction)
{
continue;
}
break;
}
catch (Exception ex)
{
RuleConditionException except = new RuleConditionException("Condition Exception", ex);
except.RuleID = tr.ID;
except.ConditionID = condition.ID;
except.SourceFile = SourceFile;
except.ConditionDestination = condition.Destination;
except.ConditionExpression = condition.Expression;
throw (except);
}
}
#endregion
//If the current rule has ProcessAsGroup set to True and the next line is the same as the current then continue on to the next
if ((tr.ProcessAsGroup && ChildNode.NextSibling.Name == ChildNode.Name) && (ContinueProcessing && ContinueTransaction))
{
continue;
}
//if the new node has been flagged for importing into the destination document.
if (ImportNode)
{
XmlNode NodeToAppend = NewDestination.ImportNode(NewDocTemplate.SelectSingleNode(tr.DestinationSavePath), true);
//Fire the BeforeAppend event
BeforeAppend(NodeToAppend, null);
AppendNode(Parent, NodeToAppend);
//Fire the afterappend event
AfterAppend(NodeToAppend, null);
}
#region Process Actions Assiciated to our Rule Conditions
//if we have actions to execute do it here
//Clear our executed actions list incase we filled it on a previous line
ActionsExecuted.Clear();
foreach (string actionName in ActionsToExecute)
{
//First check to see if the current translate rule even has actions to perform
if (tr.RuleActions == null)
{
break;
}
//it does so find the action to execute
foreach (RuleAction act in tr.RuleActions)
{
if (act.ID != actionName || ActionsExecuted.Contains(actionName))
{
continue;
}
NewDocTemplate = DestinationDocumentTemplate;
XmlNode NewNode = NewDocTemplate.SelectSingleNode(act.ItemToCreate);
//Store our executed action for lookup later to make sure we do not execute this action again
if (tr.ProcessAsGroup) //We only care about storing this value if we have the rule ProcessAsGroup = True
{
ActionsExecuted.Add(actionName);
}
//First take care of any attributes that get directly set.
foreach (RuleAttribute NodeAttribute in act.Attributes)
{
//check to see if the attribute should use the builtin identity counter. Incrementing the counter is user defined.
if (!NodeAttribute.UseBuiltInIdentity)
{
//Handle the case where the value of an attribute is an expression instead of a standard value
string FilteredValue = "";
try
{
if (!NodeAttribute.IsExpression)
{
NewNode.Attributes[NodeAttribute.ID].Value = FormatValue(NodeAttribute.format, NodeAttribute.formatType, NodeAttribute.Value);
}
else
{
//check if the node expression should be run against the source file
if (NodeAttribute.ExpressionSrouce == "SourceFile")
{
//if (NodeAttribute.Value.Contains("number(@rettax) - sum(./../L38[@tax_amount < 0]/@tax_amount)"))
// Console.WriteLine();
string expressionvalue = "";
if (NodeAttribute.formatType == typeof(Decimal))
{
expressionvalue = Decimal.Parse(nav.Evaluate(GetXpathExpression(NodeAttribute.Value)).ToString(), System.Globalization.NumberStyles.Float).ToString("F2");
}
else
{
expressionvalue = nav.Evaluate(GetXpathExpression(NodeAttribute.Value)).ToString();
}
NewNode.Attributes[NodeAttribute.ID].Value = FormatValue(NodeAttribute.format, NodeAttribute.formatType, expressionvalue);
}
//check if the node expression should be run against the destination file
if (NodeAttribute.ExpressionSrouce == "DestinationFile")
{
XPathNavigator destNav = NewNode.CreateNavigator();
NewNode.Attributes[NodeAttribute.ID].Value = FormatValue(NodeAttribute.format, NodeAttribute.formatType, destNav.Evaluate(GetXpathExpression(NodeAttribute.Value)).ToString());
}
}
}
catch (Exception ex)
{
RuleActionException except = new RuleActionException("Action Exception Occurred", ex);
except.Source = SourceFile;
except.RuleID = tr.ID;
except.AcctionID = NodeAttribute.ID;
except.ExpressionSource = NodeAttribute.ExpressionSrouce;
throw (except);
}
}
else
{
NewNode.Attributes[NodeAttribute.ID].Value = _Counter.ToString();
}
}
//check to see if our current action has conditions it needs to execute as well
if (act.Conditions.Count > 0)
{
foreach (RuleCondition condition in act.Conditions)
{
try
{
ExecuteConditions(condition, NewDocTemplate, nav, ActionsToExecute, ref ContinueProcessing);
if (ContinueProcessing)
{
continue;
}
break;
}
catch (Exception ex)
{
RuleConditionException except = new RuleConditionException("Condition Exception While Processing Action", ex);
except.RuleID = tr.ID;
except.ConditionID = condition.ID;
except.SourceFile = SourceFile;
except.ConditionDestination = condition.Destination;
except.ConditionExpression = condition.Expression;
throw (except);
}
}
}
//Fire BeforeAppend event
BeforeAppend(NewNode, null);
AppendNode(Parent, NewDestination.ImportNode(NewNode, true));
//Fire the afterappend event
AfterAppend(NewNode, null);
}
}
#endregion
//remove our actions
ActionsToExecute.Clear();
ImportNode = false;
RecordCount++;
//Pause the thread after 5 records to keep cpu usage down.
//int Remainder;
//Math.DivRem(RecordCount, 4, out Remainder);
//if (Remainder == 0)
//Thread.Sleep(1);
//If we shouldnt continue the current transaction break out of loop
if (!ContinueTransaction)
{
break;
}
}
TranslateEventArgs RuleProcessArgs = new TranslateEventArgs();
RuleProcessArgs.CurrentTranslateItem = node;
RuleProcessArgs.OutputDocument = NewDestination;
AfterRuleProcess(node, RuleProcessArgs);
//}
}
}
//Translate complate so save the file
#if (DEBUG)
//Console.ReadLine();
#endif
SaveTranslatedFile(NewDestination);
Thread.Sleep(1);
}
