internal IIfcFileHeader ReadHeader()
{
if (Api.TryMoveFirst(sesid, globalsTable))
{
byte[] hd = Api.RetrieveColumn(sesid, globalsTable, ifcHeaderColumn);
if (hd == null)
{
return(null); //there is nothing in at the moment
}
BinaryReader br = new BinaryReader(new MemoryStream(hd));
IfcFileHeader hdr = new IfcFileHeader(IfcFileHeader.HeaderCreationMode.LeaveEmpty);
hdr.Read(br);
return(hdr);
}
else
{
return(null);
}
}
internal IfcFileHeader Read(IfcPersistedInstanceCache instanceCache, XbimEntityCursor entityTable, XmlReader input)
{
// Read until end of file
idMap = new Dictionary <string, int>();
lastId = 0;
_entitiesParsed = 0;
bool foundHeader = false;
IfcFileHeader header = new IfcFileHeader(IfcFileHeader.HeaderCreationMode.LeaveEmpty);
string headerId = "";
while (_currentNode == null && input.Read()) //read through to UOS
{
switch (input.NodeType)
{
case XmlNodeType.Element:
if (string.Compare(input.LocalName, "uos", true) == 0)
{
_currentNode = new XmlUosCollection();
}
else if (string.Compare(input.LocalName, "iso_10303_28", true) == 0)
{
foundHeader = true;
if (!string.IsNullOrWhiteSpace(input.Prefix))
{
_expressNamespace = input.Prefix;
_cTypeAttribute = _expressNamespace + ":cType";
_posAttribute = _expressNamespace + ":pos";
_expressNamespace += ":";
}
else
{
_cTypeAttribute = "cType";
_posAttribute = "pos";
} //correct the values if the namespace is defined correctly
while (input.MoveToNextAttribute())
{
if (input.Value == "urn:oid:1.0.10303.28.2.1.1" ||
input.Value == "urn:iso.org:standard:10303:part(28):version(2):xmlschema:common")
{
_expressNamespace = input.LocalName;
_cTypeAttribute = _expressNamespace + ":cType";
_posAttribute = _expressNamespace + ":pos";
_expressNamespace += ":";
break;
}
}
}
else
{
headerId = input.LocalName.ToLower();
}
break;
case XmlNodeType.Text:
switch (headerId)
{
case "name":
header.FileName.Name = input.Value;
break;
case "time_stamp":
header.FileName.TimeStamp = input.Value;
break;
case "author":
header.FileName.AuthorName.Add(input.Value);
break;
case "organization":
header.FileName.Organization.Add(input.Value);
break;
case "preprocessor_version":
header.FileName.PreprocessorVersion = input.Value;
break;
case "originating_system":
header.FileName.OriginatingSystem = input.Value;
break;
case "authorization":
header.FileName.AuthorizationName = input.Value;
break;
case "documentation":
header.FileDescription.Description.Add(input.Value);
break;
default:
break;
}
break;
default:
break;
}
}
if (!foundHeader)
{
throw new Exception("Invalid XML format, iso_10303_28 tag not found");
}
XmlNodeType prevInputType = XmlNodeType.None;
string prevInputName = "";
// set counter for start of every element that is not empty, and reduce it on every end of that element
try
{
using (var transaction = entityTable.BeginLazyTransaction())
{
// this will create id of each element
Dictionary <string, int> ids = new Dictionary <string, int>();
while (input.Read())
{
switch (input.NodeType)
{
case XmlNodeType.Element:
StartElement(instanceCache, input, entityTable, transaction);
break;
case XmlNodeType.EndElement:
IPersistIfcEntity toWrite;
//if toWrite has a value we have completed an Ifc Entity
EndElement(input, prevInputType, prevInputName, out toWrite);
if (toWrite != null)
{
_entitiesParsed++;
//now write the entity to the database
entityTable.AddEntity(toWrite);
if (_entitiesParsed % _transactionBatchSize == (_transactionBatchSize - 1))
{
transaction.Commit();
transaction.Begin();
}
}
break;
case XmlNodeType.Whitespace:
SetValue(input, prevInputType, prevInputName);
break;
case XmlNodeType.Text:
SetValue(input, prevInputType, prevInputName);
break;
default:
break;
}
prevInputType = input.NodeType;
prevInputName = input.LocalName;
}
transaction.Commit();
}
}
catch (Exception e)
{
throw new Exception(String.Format("Error reading XML, Line={0}, Position={1}, Tag='{2}'", ((IXmlLineInfo)input).LineNumber, ((IXmlLineInfo)input).LinePosition, input.LocalName), e);
}
return(header);
}
internal IfcFileHeader Read(IfcPersistedInstanceCache instanceCache, XbimEntityCursor entityTable, XmlReader input)
{
// Read until end of file
idMap = new Dictionary<string, int>();
lastId = 0;
_entitiesParsed = 0;
bool foundHeader = false;
IfcFileHeader header = new IfcFileHeader(IfcFileHeader.HeaderCreationMode.LeaveEmpty);
string headerId="";
while (_currentNode == null && input.Read()) //read through to UOS
{
switch (input.NodeType)
{
case XmlNodeType.Element:
if (string.Compare(input.LocalName, "uos", true) == 0)
{
_currentNode = new XmlUosCollection();
}
else if (string.Compare(input.LocalName, "iso_10303_28", true) == 0)
{
foundHeader = true;
if (!string.IsNullOrWhiteSpace(input.Prefix))
{
_expressNamespace = input.Prefix;
_cTypeAttribute = _expressNamespace + ":cType";
_posAttribute = _expressNamespace + ":pos";
_expressNamespace += ":";
}
else
{
_cTypeAttribute = "cType";
_posAttribute = "pos";
}
}
else
{
headerId = input.LocalName.ToLower();
}
break;
case XmlNodeType.Text:
switch (headerId)
{
case "name":
header.FileName.Name = input.Value;
break;
case "time_stamp":
header.FileName.TimeStamp= input.Value;
break;
case "author":
header.FileName.AuthorName.Add(input.Value);
break;
case "organization":
header.FileName.Organization.Add(input.Value);
break;
case "preprocessor_version":
header.FileName.PreprocessorVersion = input.Value;
break;
case "originating_system":
header.FileName.OriginatingSystem = input.Value;
break;
case "authorization":
header.FileName.AuthorizationName = input.Value;
break;
case "documentation":
header.FileDescription.Description.Add(input.Value);
break;
default:
break;
}
break;
default:
break;
}
}
if (!foundHeader)
throw new Exception("Invalid XML format, iso_10303_28 tag not found");
XmlNodeType prevInputType = XmlNodeType.None;
string prevInputName = "";
// set counter for start of every element that is not empty, and reduce it on every end of that element
try
{
using (var transaction = entityTable.BeginLazyTransaction())
{
// this will create id of each element
Dictionary<string, int> ids = new Dictionary<string, int>();
while (input.Read())
{
switch (input.NodeType)
{
case XmlNodeType.Element:
StartElement(instanceCache, input, entityTable, transaction);
break;
case XmlNodeType.EndElement:
IPersistIfcEntity toWrite;
//if toWrite has a value we have completed an Ifc Entity
EndElement(input, prevInputType, prevInputName, out toWrite);
if (toWrite != null)
{
_entitiesParsed++;
//now write the entity to the database
entityTable.AddEntity(toWrite);
if (_entitiesParsed % _transactionBatchSize == (_transactionBatchSize - 1))
{
transaction.Commit();
transaction.Begin();
}
}
break;
case XmlNodeType.Whitespace:
SetValue(input, prevInputType, prevInputName);
break;
case XmlNodeType.Text:
SetValue(input, prevInputType, prevInputName);
break;
default:
break;
}
prevInputType = input.NodeType;
prevInputName = input.LocalName;
}
transaction.Commit();
}
}
catch(Exception e)
{
throw new Exception(String.Format("Error reading XML, Line={0}, Position={1}, Tag='{2}'", ((IXmlLineInfo) input).LineNumber, ((IXmlLineInfo) input).LinePosition, input.LocalName), e);
}
return header;
}
