protected override void DoLoadSourceState(IVsaPersistSite site){
}
public virtual void SaveSourceState(IVsaPersistSite site)
{
lock(this)
{
Preconditions(Pre.EngineNotClosed |
Pre.EngineNotRunning |
Pre.EngineInitialized);
if(site != null)
{
try
{
DoSaveSourceState(site);
}
catch(VsaException)
{
throw;
}
catch(Exception e)
{
// Wrap the exception and re-throw.
throw new VsaException(VsaError.SaveElementFailed,
e.ToString(), e);
}
}
else
{
throw new VsaException(VsaError.SiteInvalid);
}
}
}
// Internal implementation of "SaveSourceState". protected abstract void DoSaveSourceState(IVsaPersistSite site);
protected override void DoSaveSourceState(IVsaPersistSite site){
XmlDocument project = new XmlDocument();
project.LoadXml("<project></project>");
XmlElement root = project.DocumentElement;
this.SaveProjectVersion(project, root);
this.SaveVsaEngineState(project, root);
site.SaveElement(null, project.OuterXml);
this.SaveSourceForDebugging();
this.isEngineDirty = false;
}
public virtual void LoadSourceState(IVsaPersistSite site)
{
lock(this)
{
Preconditions(Pre.EngineNotClosed |
Pre.EngineNotInitialized |
Pre.RootMonikerSet |
Pre.SiteSet);
isEngineInitialized = true;
try
{
DoLoadSourceState(site);
}
catch
{
// Reset the "isEngineInitialized" flag.
isEngineInitialized = true;
throw;
}
isEngineDirty = true;
}
}
public virtual void SaveSourceState(IVsaPersistSite site){
this.TryObtainLock();
try{
Preconditions(Pre.EngineNotClosed | Pre.EngineNotRunning | Pre.EngineInitialised);
if (site == null)
throw Error(VsaError.SiteInvalid);
try{
DoSaveSourceState(site);
}catch(Exception e){
throw new VsaException(VsaError.SaveElementFailed, e.ToString(), e);
}
}finally{
this.ReleaseLock();
}
}
protected override void DoLoadSourceState(IVsaPersistSite site){
// DoSaveSourceState puts everything in the project item (use null for the name)
// We assume the site is valid and contains a valid project file so any errors are
// wrapped in a VsaException and thrown
string projectElement = site.LoadElement(null);
try{
XmlDocument project = new XmlDocument();
project.LoadXml(projectElement);
XmlElement root = project.DocumentElement;
// verify that we support this version of the project file
if (this.LoadProjectVersion(root) == CurrentProjectVersion){
this.LoadVsaEngineState(root);
this.isEngineDirty = false;
}
}catch(Exception e){
throw new VsaException(VsaError.UnknownError, e.ToString(), e);
}catch{
throw new VsaException(VsaError.UnknownError);
}
}
public virtual void SaveSourceState(IVsaPersistSite Site)
{
}
public virtual void LoadSourceState(IVsaPersistSite site){
this.TryObtainLock();
try{
Preconditions(Pre.EngineNotClosed |
Pre.EngineNotInitialised |
Pre.RootMonikerSet |
Pre.SiteSet);
this.isEngineInitialized = true;
try{
this.DoLoadSourceState(site);
}catch{
this.isEngineInitialized = false;
throw;
}
this.isEngineDirty = false;
}finally{
this.ReleaseLock();
}
}
public virtual void LoadSourceState(IVsaPersistSite Site)
{
}
// Internal implementation of "SaveSourceState".
protected override void DoSaveSourceState(IVsaPersistSite site)
{
// Nothing to do here - source saving is not supported.
}
// Internal implementation of "LoadSourceState".
protected override void DoLoadSourceState(IVsaPersistSite site)
{
// Nothing to do here - source loading is not supported.
}
public virtual void SaveSourceState (IVsaPersistSite site)
{
throw new NotImplementedException ();
}
public void SaveSourceState(IVsaPersistSite site)
{
throw new NotSupportedException();
}