//How can this be made a lot better? or can the algorithm be improved so calling this is not required?
private bool IsNextChildValid(XmlSchemaElement elem, int startIndex)
{
var ct = elem.ElementSchemaType as XmlSchemaComplexType;
var x = ct.ContentTypeParticle;
if (x is XmlSchemaSequence)
{
var seq = (XmlSchemaSequence)x;
if (seq.Items != null && seq.Items.Count > 0)
{
var firstChild = seq.Items[0];
if (firstChild is XmlSchemaElement && ((XmlSchemaElement)firstChild).ElementSchemaType is XmlSchemaComplexType)
{
var dfdlProperties = new DfdlProperties((XmlSchemaElement)firstChild);
if (dfdlProperties.Initiator != null && _startPos == 0)
{
_startPos = dfdlProperties.Initiator.Length;
}
if (startIndex < _lines.Count() && _lines[startIndex].StartsWith(dfdlProperties.Initiator))
{
return(true);
}
}
}
}
return(false);
}
public string Parse(string filename)
{
var fileContents = "";
var doc = new XmlDocument();
var xmlDeclaration = doc.CreateXmlDeclaration("1.0", "UTF-8", null);
var root = doc.DocumentElement;
doc.InsertBefore(xmlDeclaration, root);
var rootNode = doc.AppendChild(doc.CreateElement(string.Empty, "root", string.Empty));
using (var sr = new StreamReader(filename))
{
fileContents = sr.ReadToEnd();
}
_lines = fileContents.Split(new string[] { GetVar(_dfdlProperties["outputNewLine"]) }, StringSplitOptions.None);
int startIndex = 0;
foreach (XmlSchemaElement elem in
_dfdlSchema.Elements.Values)
{
var dfdlProperties = new DfdlProperties(elem);
ProcessElement(elem, ref startIndex, doc, rootNode, dfdlProperties);
}
var result = "";
//var stream = new MemoryStream();
var stream = new FileStream(@"d:\dfdltests\output.xml", FileMode.Create);
var xmlWriter = new XmlTextWriter(stream, Encoding.UTF8);
xmlWriter.Formatting = Formatting.Indented;
if (!string.IsNullOrEmpty(this.TranslationXslt))
{
var xslTransform = new XslCompiledTransform();
xslTransform.Load(TranslationXslt);
xslTransform.Transform(doc, xmlWriter);
}
else
{
doc.WriteContentTo(xmlWriter);
}
xmlWriter.Flush();
stream.Flush();
stream.Position = 0;
return(result);
}
private bool ProcessElement(XmlSchemaElement elem, ref int startIndex, XmlDocument xmlDoc, XmlNode xmlElement, DfdlProperties dfdlProperties)
{
bool doMore = true;
int loopIndex = 0;
if (elem.ElementSchemaType is XmlSchemaComplexType)
{
//Repopulate dfdlProperties
dfdlProperties = new DfdlProperties(elem);
while ((doMore || IsNextChildValid(elem, startIndex)) && loopIndex < dfdlProperties.MaxOccurs)
//while (doMore && loopIndex < dfdlProperties.MaxOccurs)
{
if (IsValidInitiator(elem, startIndex))
{
if (loopIndex == 0)
{
xmlElement = xmlElement.AppendChild(xmlDoc.CreateElement(elem.Name));
}
else
{
xmlElement = xmlElement.ParentNode.InsertAfter(xmlDoc.CreateElement(elem.Name), xmlElement);
}
var ct =
elem.ElementSchemaType as XmlSchemaComplexType;
doMore = ProcessSchemaObject(ct.ContentTypeParticle, ref startIndex, xmlDoc, xmlElement,
dfdlProperties, doMore);
loopIndex++;
}
else
{
doMore = false;
}
}
}
if (xmlElement != null)
{
if (dfdlProperties.Initiator != null && _startPos == 0)
{
_startPos = dfdlProperties.Initiator.Length;
}
if (startIndex < _lines.Count() && _lines[startIndex].StartsWith(dfdlProperties.Initiator))
{
ParseField(elem, ref startIndex, xmlDoc, xmlElement);
if (_lines[startIndex].Length <= _startPos + 1)
{
startIndex++;
_startPos = 0;
}
return(true);
}
}
return(false);
}
private bool IsValidInitiator(XmlSchemaElement elem, int startIndex)
{
var dfdlProperties = new DfdlProperties(elem);
if (dfdlProperties.Initiator != null && _startPos == 0)
{
_startPos = dfdlProperties.Initiator.Length;
}
if (startIndex < _lines.Count() && _lines[startIndex].StartsWith(dfdlProperties.Initiator))
{
return(true);
}
return(false);
}
private bool ProcessItemCollection(XmlSchemaObjectCollection objs, ref int startIndex, XmlDocument xmlDoc, XmlNode xmlElement, DfdlProperties dfdlProperties, bool doMore)
{
foreach (XmlSchemaObject obj in objs)
doMore = ProcessSchemaObject(obj, ref startIndex, xmlDoc,xmlElement, dfdlProperties, doMore);
return doMore;
}
private bool ProcessChoice(XmlSchemaChoice choice, ref int startIndex, XmlDocument xmlDoc, XmlNode xmlElement, DfdlProperties dfdlProperties, bool doMore)
{
Console.WriteLine("Choice");
ProcessItemCollection(choice.Items, ref startIndex, xmlDoc, xmlElement, dfdlProperties, doMore);
return true;
}
private bool ProcessSequence(XmlSchemaSequence sequence, ref int startIndex, XmlDocument xmlDoc, XmlNode xmlElement, DfdlProperties dfdlProperties, bool doMore)
{
doMore = ProcessItemCollection(sequence.Items, ref startIndex, xmlDoc, xmlElement, dfdlProperties, doMore);
return doMore;
}
private bool IsValidInitiator(XmlSchemaElement elem, int startIndex)
{
var dfdlProperties = new DfdlProperties(elem);
if (dfdlProperties.Initiator != null && _startPos == 0)
_startPos = dfdlProperties.Initiator.Length;
if (startIndex < _lines.Count() && _lines[startIndex].StartsWith(dfdlProperties.Initiator))
{
return true;
}
return false;
}
//How can this be made a lot better? or can the algorithm be improved so calling this is not required?
private bool IsNextChildValid(XmlSchemaElement elem, int startIndex)
{
var ct = elem.ElementSchemaType as XmlSchemaComplexType;
var x = ct.ContentTypeParticle;
if (x is XmlSchemaSequence)
{
var seq = (XmlSchemaSequence) x;
if (seq.Items != null && seq.Items.Count > 0)
{
var firstChild = seq.Items[0];
if (firstChild is XmlSchemaElement && ((XmlSchemaElement)firstChild).ElementSchemaType is XmlSchemaComplexType)
{
var dfdlProperties = new DfdlProperties((XmlSchemaElement) firstChild);
if (dfdlProperties.Initiator != null && _startPos == 0)
_startPos = dfdlProperties.Initiator.Length;
if (startIndex < _lines.Count() && _lines[startIndex].StartsWith(dfdlProperties.Initiator))
{
return true;
}
}
}
}
return false;
}
private bool ProcessElement(XmlSchemaElement elem, ref int startIndex, XmlDocument xmlDoc, XmlNode xmlElement, DfdlProperties dfdlProperties)
{
bool doMore = true;
int loopIndex = 0;
if (elem.ElementSchemaType is XmlSchemaComplexType)
{
//Repopulate dfdlProperties
dfdlProperties = new DfdlProperties(elem);
while ((doMore || IsNextChildValid(elem, startIndex) ) && loopIndex < dfdlProperties.MaxOccurs)
//while (doMore && loopIndex < dfdlProperties.MaxOccurs)
{
if (IsValidInitiator(elem, startIndex))
{
if (loopIndex == 0)
xmlElement = xmlElement.AppendChild(xmlDoc.CreateElement(elem.Name));
else
xmlElement = xmlElement.ParentNode.InsertAfter(xmlDoc.CreateElement(elem.Name), xmlElement);
var ct =
elem.ElementSchemaType as XmlSchemaComplexType;
doMore = ProcessSchemaObject(ct.ContentTypeParticle, ref startIndex, xmlDoc, xmlElement,
dfdlProperties, doMore);
loopIndex++;
}
else
{
doMore = false;
}
}
}
if (xmlElement != null)
{
if(dfdlProperties.Initiator != null && _startPos == 0)
_startPos = dfdlProperties.Initiator.Length;
if (startIndex < _lines.Count() && _lines[startIndex].StartsWith(dfdlProperties.Initiator))
{
ParseField(elem, ref startIndex, xmlDoc, xmlElement);
if (_lines[startIndex].Length <= _startPos + 1)
{
startIndex++;
_startPos = 0;
}
return true;
}
}
return false;
}
private bool ProcessItemCollection(XmlSchemaObjectCollection objs, ref int startIndex, XmlDocument xmlDoc, XmlNode xmlElement, DfdlProperties dfdlProperties, bool doMore)
{
foreach (XmlSchemaObject obj in objs)
{
doMore = ProcessSchemaObject(obj, ref startIndex, xmlDoc, xmlElement, dfdlProperties, doMore);
}
return(doMore);
}
private bool ProcessChoice(XmlSchemaChoice choice, ref int startIndex, XmlDocument xmlDoc, XmlNode xmlElement, DfdlProperties dfdlProperties, bool doMore)
{
Console.WriteLine("Choice");
ProcessItemCollection(choice.Items, ref startIndex, xmlDoc, xmlElement, dfdlProperties, doMore);
return(true);
}
private bool ProcessSequence(XmlSchemaSequence sequence, ref int startIndex, XmlDocument xmlDoc, XmlNode xmlElement, DfdlProperties dfdlProperties, bool doMore)
{
doMore = ProcessItemCollection(sequence.Items, ref startIndex, xmlDoc, xmlElement, dfdlProperties, doMore);
return(doMore);
}
private void ParseField(XmlSchemaElement elem, ref int startIndex, XmlDocument xmlDoc, XmlNode xmlElement, DfdlProperties dfdlProperties)
{
var attr = elem.UnhandledAttributes.SingleOrDefault(x => x.Name == "dfdl:length");
if (attr != null)
{
int length = int.Parse(attr.Value);
var value = _lines[startIndex].Substring(_startPos, length);
var newElement = xmlDoc.CreateElement(elem.Name);
newElement.InnerText = value;
xmlElement.AppendChild(newElement);
_startPos += length;
}
}
private bool ProcessSchemaObject(XmlSchemaObject obj, ref int startIndex, XmlDocument xmlDoc, XmlNode xmlElement, DfdlProperties dfdlProperties, bool doMore)
{
if (obj is XmlSchemaElement)
doMore = ProcessElement(obj as XmlSchemaElement, ref startIndex, xmlDoc, xmlElement, dfdlProperties);
if (obj is XmlSchemaChoice)
doMore = ProcessChoice(obj as XmlSchemaChoice, ref startIndex, xmlDoc, xmlElement, dfdlProperties, doMore);
if (obj is XmlSchemaSequence)
doMore = ProcessSequence( obj as XmlSchemaSequence, ref startIndex, xmlDoc, xmlElement, dfdlProperties, doMore);
return doMore;
}
private bool ProcessSchemaObject(XmlSchemaObject obj, ref int startIndex, XmlDocument xmlDoc, XmlNode xmlElement, DfdlProperties dfdlProperties, bool doMore)
{
if (obj is XmlSchemaElement)
{
doMore = ProcessElement(obj as XmlSchemaElement, ref startIndex, xmlDoc, xmlElement, dfdlProperties);
}
if (obj is XmlSchemaChoice)
{
doMore = ProcessChoice(obj as XmlSchemaChoice, ref startIndex, xmlDoc, xmlElement, dfdlProperties, doMore);
}
if (obj is XmlSchemaSequence)
{
doMore = ProcessSequence(obj as XmlSchemaSequence, ref startIndex, xmlDoc, xmlElement, dfdlProperties, doMore);
}
return(doMore);
}
public string Parse(string filename)
{
var fileContents = "";
var doc = new XmlDocument();
var xmlDeclaration = doc.CreateXmlDeclaration("1.0", "UTF-8", null);
var root = doc.DocumentElement;
doc.InsertBefore(xmlDeclaration, root);
var rootNode = doc.AppendChild(doc.CreateElement(string.Empty, "root", string.Empty));
using (var sr = new StreamReader(filename))
{
fileContents = sr.ReadToEnd();
}
_lines = fileContents.Split(new string[] { GetVar(_dfdlProperties["outputNewLine"]) }, StringSplitOptions.None);
int startIndex = 0;
foreach (XmlSchemaElement elem in
_dfdlSchema.Elements.Values)
{
var dfdlProperties = new DfdlProperties(elem);
ProcessElement(elem, ref startIndex, doc, rootNode, dfdlProperties);
}
var result = "";
//var stream = new MemoryStream();
var stream = new FileStream(@"d:\dfdltests\output.xml", FileMode.Create);
var xmlWriter = new XmlTextWriter(stream, Encoding.UTF8);
xmlWriter.Formatting = Formatting.Indented;
if (!string.IsNullOrEmpty(this.TranslationXslt))
{
var xslTransform = new XslCompiledTransform();
xslTransform.Load(TranslationXslt);
xslTransform.Transform(doc, xmlWriter);
}
else
{
doc.WriteContentTo(xmlWriter);
}
xmlWriter.Flush();
stream.Flush();
stream.Position = 0;
return result;
}
private void ParseField(XmlSchemaElement elem, ref int startIndex, XmlDocument xmlDoc, XmlNode xmlElement, DfdlProperties dfdlProperties)
{
var attr = elem.UnhandledAttributes.SingleOrDefault(x => x.Name == "dfdl:length");
if (attr != null)
{
int length = int.Parse(attr.Value);
var value = _lines[startIndex].Substring(_startPos, length);
var newElement = xmlDoc.CreateElement(elem.Name);
newElement.InnerText = value;
xmlElement.AppendChild(newElement);
_startPos += length;
}
}
