C / C++ / MFC

BOOL CDocument::DoSave(LPCTSTR lpszPathName, BOOL bReplace)
	// Save the document data to a file
	// lpszPathName = path name where to save document file
	// if lpszPathName is NULL then the user will be prompted (SaveAs)
	// note: lpszPathName can be different than 'm_strPathName'
	// if 'bReplace' is TRUE will change file name if successful (SaveAs)
	// if 'bReplace' is FALSE will not change path name (SaveCopyAs)
{
	CString newName = lpszPathName;
	if (newName.IsEmpty())
	{
		CDocTemplate* pTemplate = GetDocTemplate();
		ASSERT(pTemplate != NULL);

		newName = m_strPathName;
		if (bReplace && newName.IsEmpty())
		{
			newName = m_strTitle;
			// check for dubious filename
			int iBad = newName.FindOneOf(_T(" #%;/\\"));
			if (iBad != -1)
				newName.ReleaseBuffer(iBad);

			// append the default suffix if there is one
			CString strExt;
			if (pTemplate->GetDocString(strExt, CDocTemplate::filterExt) &&
			  !strExt.IsEmpty())
			{
				ASSERT(strExt[0] == '.');
				newName += strExt;
			}
		}

		if (!AfxGetApp()->DoPromptFileName(newName,
		  bReplace ? AFX_IDS_SAVEFILE : AFX_IDS_SAVEFILECOPY,
		  OFN_HIDEREADONLY | OFN_PATHMUSTEXIST, FALSE, pTemplate))
			return FALSE;       // don't even attempt to save
	}

	CWaitCursor wait;

	if (!OnSaveDocument(newName))
	{
		if (lpszPathName == NULL)
		{
			// be sure to delete the file
			TRY
			{
				CFile::Remove(newName);
			}
			CATCH_ALL(e)
			{
				TRACE0("Warning: failed to delete file after failed SaveAs.\n");
				DELETE_EXCEPTION(e);
			}
			END_CATCH_ALL
		}
		return FALSE;
	}

	// reset the title and change the document name
	if (bReplace)
		SetPathName(newName);

	return TRUE;        // success
}

"The pointy end goes in the other man." - Antonio Banderas (Zorro, 1998)