public SplittingResult SplitOnPageBreak()
{
_result = new SplittingResult(XmlFile, OutputDirectory);
bool splittingStarted = (StartingElement == null);
ElementInfo startElement = null;
ElementInfos elementStack = new ElementInfos();
FileInfo xmlFileInfo = new FileInfo(XmlFile);
string newFileFormat = xmlFileInfo.Name.Substring(0, xmlFileInfo.Name.Length - xmlFileInfo.Extension.Length) + NumberedXmlPattern;
_outputManager = new OutputManager();
_outputManager.OutputDirectory = OutputDirectory;
_outputManager.FileNameFormat = newFileFormat;
string divId = StartingElement ?? "body"; //set default value because xml:id^="." is invalid
int paragraphId = 0;
try
{
using (XmlReader reader = XmlReader.Create(XmlFile))
{
while (reader.Read())
{
switch (reader.NodeType)
{
case XmlNodeType.Element:
ElementInfo element = ElementInfo.GetElementInfo(reader);
if (element.Name == TeiElementName)
{
string documentXmlId = element.Attributes.GetAttributeByLocalName(String.Empty, NAttributeName).Value;
string documentVersionId = element.Attributes.GetAttributeByLocalName(String.Empty, ChangeAttributeName).Value;
_sourceDocumentInfo = new SourceDocumentInfo(documentXmlId, documentVersionId);
}
if (!splittingStarted)
{
if (!ShouldSplittingStart(element, startElement))
{
continue;
}
}
if (!splittingStarted)
{
startElement = element.Clone();
splittingStarted = true;
_currentSplitInfo = new PageBreakSplitInfo(_sourceDocumentInfo);
}
if (element.Name == PbElementName || element.Name == TeiPrefix + PbElementName)
{
bool editionPagebreak = element.Attributes.AttributeExists(String.Empty, EdAttrubuteName);
//TODO načíst do stacku první element pb, i když je z jiného stránkování
if (!editionPagebreak)
{
if (_currentSplitInfo != null && _currentSplitInfo.Number == null)
{
_currentSplitInfo.Id = element.Attributes.GetAttributeByLocalName(XmlNamespacePrefix, IdAttributeName).Value;
_currentSplitInfo.Number = element.Attributes.GetAttributeByLocalName(String.Empty, NAttributeName).Value;
}
ElementInfos tempQueue = null;
if (_outputManager.CurrentChunk > 0)
{
tempQueue = CloseCurrentSplit(elementStack);
}
StartNewSplit(elementStack, tempQueue);
_currentSplitInfo.Number = element.Attributes.GetAttributeByLocalName(String.Empty, NAttributeName).Value;
_currentSplitInfo.Id = element.Attributes.GetAttributeByLocalName(XmlNamespacePrefix, IdAttributeName).Value;
Transformace.SerializeNode(reader, _currentWriter);
}
//goto Begin;
}
else //(reader.Name == "pb")
{
if (_divElementNames.Contains(element.Name))
{
foreach (AttributeInfo attribute in element.Attributes)
{
if (attribute.LocalName == IdAttributeName)
{
divId = attribute.Value;
}
}
}
if (_blockElementNames.Contains(element.Name))
{
if (!element.Attributes.Exists(a => a.Prefix == XmlNamespacePrefix && a.LocalName == IdAttributeName))
{
string id = divId + "." + element.Name + ++paragraphId;
element.Attributes.Add(new AttributeInfo(XmlNamespacePrefix, IdAttributeName, XmlNamespace, id));
}
}
if (_currentWriter != null)
{
if (!element.IsEmpty)
{
elementStack.Push(element);
}
//pokud je element prázdný, při jeho přečtení se XmlReader přesune na další prvek
WriteElementInfo(element, _currentWriter);
}
}
break;
case XmlNodeType.EndElement:
ElementInfo endElementInfo = ElementInfo.GetElementInfo(reader);
if (!splittingStarted || startElement == null)
{
continue;
}
if (_divElementNames.Contains(reader.Name))
{
divId = null;
paragraphId = 0;
}
if (ShouldSplittingEnd(endElementInfo, startElement))
{
CloseCurrentSplit(elementStack);
_result.IsSplitted = true;
return(_result);
}
if (elementStack.Count > 0)
{
ElementInfo elementPeak = elementStack.Peek();
if (elementPeak.Name != endElementInfo.Name)
{
_result.Errors = String.Format(ErrorInfoFormat, elementPeak.Name, endElementInfo.Name);
//Console.WriteLine("Chyba {0} × {1} (element × reader)", elementPeak.Name, name);
}
else
{
Transformace.SerializeNode(reader, _currentWriter);
elementStack.Pop();
}
}
break;
default:
if (splittingStarted && _currentWriter != null)
{
Transformace.SerializeNode(reader, _currentWriter);
}
break;
}
}
}
_result.IsSplitted = true;
}
catch (Exception exception)
{
_result.Errors = exception.Message;
}
finally
{
if (_currentWriter != null)
{
_currentWriter.Close();
}
}
return(_result);
}