internal static void Save(IVsPersistDocData docData)
{
int canceled;
string newDocumentStateScope;
if (docData.SaveDocData(VSSAVEFLAGS.VSSAVE_Save, out newDocumentStateScope, out canceled) != VSConstants.S_OK)
{
LogDebug("error while saving C# script document");
}
}
/// <summary>
/// Silently saves an open document
/// </summary>
/// <param name="saveIfDirty">Save the open document only if it is dirty</param>
/// <remarks>The call to SaveDocData may return Microsoft.VisualStudio.Shell.Interop.PFF_RESULTS.STG_S_DATALOSS to indicate some characters could not be represented in the current codepage</remarks>
public virtual void Save(bool saveIfDirty)
{
if (saveIfDirty && IsDirty)
{
IVsPersistDocData persistDocData = DocData;
if (persistDocData != null)
{
string name;
int cancelled;
ErrorHandler.ThrowOnFailure(persistDocData.SaveDocData(VSSAVEFLAGS.VSSAVE_SilentSave, out name, out cancelled));
}
}
}
/// <summary>
/// Saves the document if it is dirty.
/// </summary>
/// <param name="filePath">The absolute path to the file.</param>
public void SaveIfDirty(string filePath)
{
DocumentInfo docInfo = this.FindByPath(filePath);
if (docInfo != null && docInfo.IsDirty && docInfo.SupportsInterface(typeof(IVsPersistDocData)))
{
string newPath;
int saveCanceled;
IVsPersistDocData persistDocData = docInfo.DocumentData as IVsPersistDocData;
Tracer.Assert(persistDocData != null, "DocumentInfo.SupportsInterface returned true when it shouldn't have.");
if (persistDocData != null)
{
int hr = persistDocData.SaveDocData(VSSAVEFLAGS.VSSAVE_SilentSave, out newPath, out saveCanceled);
Tracer.WriteLineIf(classType, "SaveIfDirty", Tracer.Level.Information, NativeMethods.Succeeded(hr), "Successfully saved '{0}'.", filePath);
NativeMethods.ThrowOnFailure(hr);
}
}
}
public async Task ResetBufferAsync()
{
var projectXml = await _projectXmlAccessor.GetProjectXmlAsync().ConfigureAwait(false);
var existingText = await ReadBufferXmlAsync().ConfigureAwait(false);
var isLastSavedEqual = false;
lock (_savedXmlLock)
{
// If the project xml is the same as the last thing we saved, then any changes in the editor are new changes
// on top of the existing changes, and we should not attempt to overwrite them.
isLastSavedEqual = projectXml.Equals(_lastSavedXml, StringComparison.Ordinal);
}
if (!isLastSavedEqual && !existingText.Equals(projectXml, StringComparison.Ordinal))
{
await _threadingService.SwitchToUIThread();
// If the docdata is not dirty, we just update the buffer to avoid the file reload pop-up. Otherwise,
// we write to disk, to force the pop-up.
Verify.HResult(_docData.IsDocDataDirty(out int isDirty));
if (Convert.ToBoolean(isDirty))
{
_fileSystem.WriteAllText(FilePath, projectXml, await _unconfiguredProject.GetFileEncodingAsync().ConfigureAwait(true));
}
else
{
var textSpan = new Span(0, _textDocument.TextBuffer.CurrentSnapshot.Length);
// When the buffer is being reset, it's often been set to ReadOnly. We can't update the buffer when it's readonly, so save
// the currently flags and turn off ReadOnly, restoring after we're done. We're on the UI thread, so this is invisible to
// the user.
Verify.HResult(_textBuffer.GetStateFlags(out uint oldFlags));
_textBuffer.SetStateFlags(oldFlags & ~(uint)BUFFERSTATEFLAGS.BSF_USER_READONLY);
// Make sure that the buffer is reset back to the old flags, regardless of TextBuffer.Replace throwing any kind of exception
try
{
_textDocument.TextBuffer.Replace(textSpan, projectXml);
// We save the DocData here so that if the user decides to Undo the change from the file itself, the editor will be considered
// dirty and will prompt about unsaved changes if closed before saving again.
_docData.SaveDocData(VSSAVEFLAGS.VSSAVE_Save, out string unused, out int cancelled);
}
finally
{
var isReadonly = (oldFlags & (uint)BUFFERSTATEFLAGS.BSF_USER_READONLY) == (uint)BUFFERSTATEFLAGS.BSF_USER_READONLY;
if (isReadonly)
{
Verify.HResult(_textBuffer.GetStateFlags(out uint newFlags));
_textBuffer.SetStateFlags(newFlags | (uint)BUFFERSTATEFLAGS.BSF_USER_READONLY);
}
}
}
}
// Since we're writing to the file on disk in all scenarios, we can potentially race with the project reload mechanism during project
// close if the file on disk has divergent changes from the temp file. This causes a series of confusing popups for the user that make
// it very likely they will accidentally discard changes. We save here to make sure we don't run into that race.
await _unconfiguredProject.SaveAsync().ConfigureAwait(false);
}
internal static void Save(IVsPersistDocData docData)
{
int canceled;
string newDocumentStateScope;
if (docData.SaveDocData(VSSAVEFLAGS.VSSAVE_Save, out newDocumentStateScope, out canceled) != VSConstants.S_OK)
{
LogDebug("error while saving C# script document");
}
}