public void SaveXRefList(bool createBackup, bool force)
{
if (force || BlockListMgr.Dirty || IOAddressMgr.Dirty || CompoundBlockMgr.Dirty || BuildListMgr.Dirty)
{
string XRefTmpPath = Path.ChangeExtension(XRefListPath, "tmp");
string XRefBakPath = Path.ChangeExtension(XRefListPath, "bak");
try
{
XmlDocument doc = new XmlDocument();
if (File.Exists(XRefListPath))
{
if (createBackup)
{
//create a temporary copy of the existing file version
try { File.Delete(XRefTmpPath); }
catch (Exception) { }
File.Copy(XRefListPath, XRefTmpPath);
}
doc.Load(XRefListPath);
}
if (doc.DocumentElement == null || doc.DocumentElement.Name != "xref")
{
doc.RemoveAll();
doc.AppendChild(doc.CreateElement("xref"));
}
//save block list
XmlNode node = doc.SelectSingleNode("xref//Blocks");
if (node == null)
{
node = doc.CreateElement("Blocks");
doc.DocumentElement.AppendChild(node);
}
node.RemoveAll();
List <Block> listOfBlocks = BlockListMgr.GetBlockList2();
foreach (var item in listOfBlocks)
{
node.AppendChild(item.GetXmlBlockNode(doc));
}
//save I/O connections
node = doc.SelectSingleNode("xref//IOConnections");
if (node == null)
{
node = doc.CreateElement("IOConnections");
doc.DocumentElement.AppendChild(node);
}
node.RemoveAll();
List <IOConnection> listOfIOConnections = IOAddressMgr.GetIOConnectionList2();
foreach (var item in listOfIOConnections)
{
XmlNode newConnection = item.GetXmlConnectionNode(doc);
if (newConnection != null)
{
node.AppendChild(newConnection);
}
}
#if true
//shared memory variables is saved to xshm.data later
node = doc.SelectSingleNode("xref//SharedMemory");
if (node != null)
{
node.ParentNode.RemoveChild(node);
}
#else
//also save shared memory variables into xref.data to make ViGET happy.
node = doc.SelectSingleNode("xref//SharedMemory");
if (node == null)
{
node = doc.CreateElement("SharedMemory");
doc.DocumentElement.AppendChild(node);
}
node.RemoveAll();
SharedMemoryVariableList listOfShmVars = null;
SharedMemoryMgr.GetShmVariableList(ref listOfShmVars);
foreach (var item in listOfShmVars)
{
SharedMemoryConnectionList listOfConns = null;
SharedMemoryMgr.GetShmConnectionList(ref listOfConns);
XmlNode newVariable = item.GetXmlShmVariableNode(doc, listOfConns);
if (newVariable != null)
{
node.AppendChild(newVariable);
}
}
#endif
//save compound block list
node = doc.SelectSingleNode("xref//CompoundBlocks");
if (node == null)
{
node = doc.CreateElement("CompoundBlocks");
doc.DocumentElement.AppendChild(node);
}
node.RemoveAll();
List <CompoundBlock> compoundblocklist = CompoundBlockMgr.GetCompBlockList2();
foreach (var item in compoundblocklist)
{
node.AppendChild(item.GetXmlBlockNode(doc));
}
//lsu 20120509
node = doc.SelectSingleNode("xref//BuildManager");
if (node == null)
{
node = doc.CreateElement("BuildManager");
doc.DocumentElement.AppendChild(node);
}
node.RemoveAll();
foreach (var item in BuildListMgr.GetPlanList())
{
node.AppendChild(item.GetXmlBlockNode(doc));
}
doc.Save(XRefListPath);
if (createBackup)
{
//compare old and new file version; if different, keep the old version as xref.bak
if (HasDifferences(XRefListPath, XRefTmpPath))
{
try { File.Delete(XRefBakPath); }
catch (Exception) { }
File.Move(XRefTmpPath, XRefBakPath);
}
else
{
try { File.Delete(XRefTmpPath); }
catch (Exception) { }
}
}
// reset dirty flag
BlockListMgr.Dirty = false;
IOAddressMgr.Dirty = false;
CompoundBlockMgr.Dirty = false;
BuildListMgr.Dirty = false;
}
catch (Exception e)
{
Console.WriteLine(e.Message);
//logger.Error(e.Message + " at " + e.StackTrace);
}
}
if (force || SharedMemoryMgr.Dirty)
{
try
{
XmlDocument doc = new XmlDocument();
if (File.Exists(XShmListPath))
{
doc.Load(XShmListPath);
}
if (doc.DocumentElement == null || doc.DocumentElement.Name != "xref")
{
doc.RemoveAll();
doc.AppendChild(doc.CreateElement("xref"));
}
//save shared memory variables
XmlNode node = doc.SelectSingleNode("xref//SharedMemory");
if (node == null)
{
node = doc.CreateElement("SharedMemory");
doc.DocumentElement.AppendChild(node);
}
node.RemoveAll();
SharedMemoryVariableList listOfShmVars = null;
SharedMemoryMgr.GetShmVariableList(ref listOfShmVars);
foreach (var item in listOfShmVars)
{
SharedMemoryConnectionList listOfConns = null;
SharedMemoryMgr.GetShmConnectionList(ref listOfConns);
XmlNode newVariable = item.GetXmlShmVariableNode(doc, listOfConns);
if (newVariable != null)
{
node.AppendChild(newVariable);
}
}
doc.Save(XShmListPath);
// reset dirty flag
SharedMemoryMgr.Dirty = false;
}
catch (Exception e)
{
Console.WriteLine(e.Message);
//logger.Error(e.Message + " at " + e.StackTrace);
}
}
}