C++ CXmlFile::GetError方法代码示例

bool CSiteManager::ClearBookmarks(wxString sitePath)
{
	if (sitePath[0] != '0')
		return false;

	sitePath = sitePath.Mid(1);

	// We have to synchronize access to sitemanager.xml so that multiple processed don't write
	// to the same file or one is reading while the other one writes.
	CInterProcessMutex mutex(MUTEX_SITEMANAGER);

	CXmlFile file;
	TiXmlElement* pDocument = file.Load(_T("sitemanager"));

	if (!pDocument)
	{
		wxString msg = file.GetError() + _T("\n") + _("The bookmarks could not be cleared.");
		wxMessageBox(msg, _("Error loading xml file"), wxICON_ERROR);

		return false;
	}

	TiXmlElement* pElement = pDocument->FirstChildElement("Servers");
	if (!pElement)
		return false;

	std::list<wxString> segments;
	if (!UnescapeSitePath(sitePath, segments))
	{
		wxMessageBox(_("Site path is malformed."), _("Invalid site path"));
		return 0;
	}

	TiXmlElement* pChild = GetElementByPath(pElement, segments);
	if (!pChild || strcmp(pChild->Value(), "Server"))
	{
		wxMessageBox(_("Site does not exist."), _("Invalid site path"));
		return 0;
	}

	TiXmlElement *pBookmark = pChild->FirstChildElement("Bookmark");
	while (pBookmark)
	{
		pChild->RemoveChild(pBookmark);
		pBookmark = pChild->FirstChildElement("Bookmark");
	}

	wxString error;
	if (!file.Save(&error))
	{
		if (COptions::Get()->GetOptionVal(OPTION_DEFAULT_KIOSKMODE) == 2)
			return true;

		wxString msg = wxString::Format(_("Could not write \"%s\", the selected sites could not be exported: %s"), file.GetFileName().GetFullPath().c_str(), error.c_str());
		wxMessageBox(msg, _("Error writing xml file"), wxICON_ERROR);
	}

	return true;
}

void CSearchDialog::LoadConditions()
{
    CInterProcessMutex mutex(MUTEX_SEARCHCONDITIONS);

    CXmlFile file;

    TiXmlElement* pDocument = file.Load(_T("search"));
    if (!pDocument)
    {
        wxMessageBox(file.GetError(), _("Error loading xml file"), wxICON_ERROR);
        return;
    }

    TiXmlElement* pFilter = pDocument->FirstChildElement("Filter");
    if (!pFilter)
        return;

    if (!CFilterManager::LoadFilter(pFilter, m_search_filter))
        m_search_filter = CFilter();
}

void CSearchDialog::SaveConditions()
{
    CInterProcessMutex mutex(MUTEX_SEARCHCONDITIONS);

    CXmlFile file;

    TiXmlElement* pDocument = file.Load(_T("search"));
    if (!pDocument)
    {
        wxMessageBox(file.GetError(), _("Error loading xml file"), wxICON_ERROR);
        return;
    }

    TiXmlElement* pFilter;
    while ((pFilter = pDocument->FirstChildElement("Filter")))
        pDocument->RemoveChild(pFilter);
    pFilter = pDocument->LinkEndChild(new TiXmlElement("Filter"))->ToElement();

    CFilterDialog::SaveFilter(pFilter, m_search_filter);

    file.Save();
}

bool CSiteManager::AddBookmark(wxString sitePath, const wxString& name, const wxString &local_dir, const CServerPath &remote_dir, bool sync)
{
	if (local_dir.empty() && remote_dir.IsEmpty())
		return false;

	if (sitePath[0] != '0')
		return false;

	sitePath = sitePath.Mid(1);

	// We have to synchronize access to sitemanager.xml so that multiple processed don't write
	// to the same file or one is reading while the other one writes.
	CInterProcessMutex mutex(MUTEX_SITEMANAGER);

	CXmlFile file;
	TiXmlElement* pDocument = file.Load(_T("sitemanager"));

	if (!pDocument)
	{
		wxString msg = file.GetError() + _T("\n") + _("The bookmark could not be added.");
		wxMessageBox(msg, _("Error loading xml file"), wxICON_ERROR);

		return false;
	}

	TiXmlElement* pElement = pDocument->FirstChildElement("Servers");
	if (!pElement)
		return false;

	std::list<wxString> segments;
	if (!UnescapeSitePath(sitePath, segments))
	{
		wxMessageBox(_("Site path is malformed."), _("Invalid site path"));
		return 0;
	}

	TiXmlElement* pChild = GetElementByPath(pElement, segments);
	if (!pChild || strcmp(pChild->Value(), "Server"))
	{
		wxMessageBox(_("Site does not exist."), _("Invalid site path"));
		return 0;
	}

	// Bookmarks
	TiXmlElement *pInsertBefore = 0;
	TiXmlElement* pBookmark;
	for (pBookmark = pChild->FirstChildElement("Bookmark"); pBookmark; pBookmark = pBookmark->NextSiblingElement("Bookmark"))
	{
		TiXmlHandle handle(pBookmark);

		wxString old_name = GetTextElement_Trimmed(pBookmark, "Name");
		if (old_name.empty())
			continue;

		if (name == old_name)
		{
			wxMessageBox(_("Name of bookmark already exists."), _("New bookmark"), wxICON_EXCLAMATION);
			return false;
		}
		if (name < old_name && !pInsertBefore)
			pInsertBefore = pBookmark;
	}

	if (pInsertBefore)
		pBookmark = pChild->InsertBeforeChild(pInsertBefore, TiXmlElement("Bookmark"))->ToElement();
	else
		pBookmark = pChild->LinkEndChild(new TiXmlElement("Bookmark"))->ToElement();
	AddTextElement(pBookmark, "Name", name);
	if (!local_dir.empty())
		AddTextElement(pBookmark, "LocalDir", local_dir);
	if (!remote_dir.IsEmpty())
		AddTextElement(pBookmark, "RemoteDir", remote_dir.GetSafePath());
	if (sync)
		AddTextElementRaw(pBookmark, "SyncBrowsing", "1");

	wxString error;
	if (!file.Save(&error))
	{
		if (COptions::Get()->GetOptionVal(OPTION_DEFAULT_KIOSKMODE) == 2)
			return true;

		wxString msg = wxString::Format(_("Could not write \"%s\", the selected sites could not be exported: %s"), file.GetFileName().GetFullPath().c_str(), error.c_str());
		wxMessageBox(msg, _("Error writing xml file"), wxICON_ERROR);
	}

	return true;
}

wxString CSiteManager::AddServer(CServer server)
{
	// We have to synchronize access to sitemanager.xml so that multiple processed don't write
	// to the same file or one is reading while the other one writes.
	CInterProcessMutex mutex(MUTEX_SITEMANAGER);

	CXmlFile file;
	TiXmlElement* pDocument = file.Load(_T("sitemanager"));

	if (!pDocument)
	{
		wxString msg = file.GetError() + _T("\n") + _("The server could not be added.");
		wxMessageBox(msg, _("Error loading xml file"), wxICON_ERROR);

		return _T("");
	}

	TiXmlElement* pElement = pDocument->FirstChildElement("Servers");
	if (!pElement)
		return _T("");

	std::list<wxString> names;
	for (TiXmlElement* pChild = pElement->FirstChildElement("Server"); pChild; pChild = pChild->NextSiblingElement("Server"))
	{
		wxString name = GetTextElement(pChild, "Name");
		if (name.empty())
			continue;

		names.push_back(name);
	}

	wxString name = _("New site");
	int i = 1;

	for (;;)
	{
		std::list<wxString>::const_iterator iter;
		for (iter = names.begin(); iter != names.end(); ++iter)
		{
			if (*iter == name)
				break;
		}
		if (iter == names.end())
			break;

		name = _("New site") + wxString::Format(_T(" %d"), ++i);
	}

	server.SetName(name);

	TiXmlElement* pServer = pElement->LinkEndChild(new TiXmlElement("Server"))->ToElement();
	SetServer(pServer, server);

	char* utf8 = ConvUTF8(name);
	if (utf8)
	{
		pServer->LinkEndChild(new TiXmlText(utf8));
		delete [] utf8;
	}

	wxString error;
	if (!file.Save(&error))
	{
		if (COptions::Get()->GetOptionVal(OPTION_DEFAULT_KIOSKMODE) == 2)
			return _T("");

		wxString msg = wxString::Format(_("Could not write \"%s\", any changes to the Site Manager could not be saved: %s"), file.GetFileName().GetFullPath().c_str(), error.c_str());
		wxMessageBox(msg, _("Error writing xml file"), wxICON_ERROR);
		return _T("");
	}

	return _T("0/") + EscapeSegment(name);
}

bool CSiteManager::GetBookmarks(wxString sitePath, std::list<wxString> &bookmarks)
{
	wxChar c = sitePath[0];
	if (c != '0' && c != '1')
		return false;

	sitePath = sitePath.Mid(1);

	// We have to synchronize access to sitemanager.xml so that multiple processed don't write
	// to the same file or one is reading while the other one writes.
	CInterProcessMutex mutex(MUTEX_SITEMANAGER);

	CXmlFile file;
	TiXmlElement* pDocument = 0;

	if (c == '0')
		pDocument = file.Load(_T("sitemanager"));
	else
	{
		const wxString& defaultsDir = wxGetApp().GetDefaultsDir();
		if (defaultsDir == _T(""))
			return false;
		pDocument = file.Load(wxFileName(defaultsDir, _T("fzdefaults.xml")));
	}

	if (!pDocument)
	{
		wxMessageBox(file.GetError(), _("Error loading xml file"), wxICON_ERROR);

		return false;
	}

	TiXmlElement* pElement = pDocument->FirstChildElement("Servers");
	if (!pElement)
		return false;

	std::list<wxString> segments;
	if (!UnescapeSitePath(sitePath, segments))
	{
		wxMessageBox(_("Site path is malformed."), _("Invalid site path"));
		return 0;
	}

	TiXmlElement* pChild = GetElementByPath(pElement, segments);

	if (pChild && !strcmp(pChild->Value(), "Bookmark"))
		pChild = pChild->Parent()->ToElement();

	if (!pChild || strcmp(pChild->Value(), "Server"))
		return 0;

	// Bookmarks
	for (TiXmlElement* pBookmark = pChild->FirstChildElement("Bookmark"); pBookmark; pBookmark = pBookmark->NextSiblingElement("Bookmark"))
	{
		TiXmlHandle handle(pBookmark);

		wxString name = GetTextElement_Trimmed(pBookmark, "Name");
		if (name.empty())
			continue;

		wxString localPath;
		CServerPath remotePath;
		TiXmlText* localDir = handle.FirstChildElement("LocalDir").FirstChild().Text();
		if (localDir)
			localPath = ConvLocal(localDir->Value());
		TiXmlText* remoteDir = handle.FirstChildElement("RemoteDir").FirstChild().Text();
		if (remoteDir)
			remotePath.SetSafePath(ConvLocal(remoteDir->Value()));

		if (localPath.empty() && remotePath.IsEmpty())
			continue;

		bookmarks.push_back(name);
	}

	return true;
}

CSiteManagerItemData_Site* CSiteManager::GetSiteByPath(wxString sitePath)
{
	wxChar c = sitePath[0];
	if (c != '0' && c != '1')
	{
		wxMessageBox(_("Site path has to begin with 0 or 1."), _("Invalid site path"));
		return 0;
	}

	sitePath = sitePath.Mid(1);

	// We have to synchronize access to sitemanager.xml so that multiple processed don't write
	// to the same file or one is reading while the other one writes.
	CInterProcessMutex mutex(MUTEX_SITEMANAGER);

	CXmlFile file;
	TiXmlElement* pDocument = 0;

	if (c == '0')
		pDocument = file.Load(_T("sitemanager"));
	else
	{
		const wxString& defaultsDir = wxGetApp().GetDefaultsDir();
		if (defaultsDir == _T(""))
		{
			wxMessageBox(_("Site does not exist."), _("Invalid site path"));
			return 0;
		}
		wxFileName name(defaultsDir, _T("fzdefaults.xml"));
		pDocument = file.Load(name);
	}

	if (!pDocument)
	{
		wxMessageBox(file.GetError(), _("Error loading xml file"), wxICON_ERROR);

		return 0;
	}

	TiXmlElement* pElement = pDocument->FirstChildElement("Servers");
	if (!pElement)
	{
		wxMessageBox(_("Site does not exist."), _("Invalid site path"));
		return 0;
	}

	std::list<wxString> segments;
	if (!UnescapeSitePath(sitePath, segments) || segments.empty())
	{
		wxMessageBox(_("Site path is malformed."), _("Invalid site path"));
		return 0;
	}

	TiXmlElement* pChild = GetElementByPath(pElement, segments);
	if (!pChild)
	{
		wxMessageBox(_("Site does not exist."), _("Invalid site path"));
		return 0;
	}

	TiXmlElement* pBookmark;
	if (!strcmp(pChild->Value(), "Bookmark"))
	{
		pBookmark = pChild;
		pChild = pChild->Parent()->ToElement();
		segments.pop_back();
	}
	else
		pBookmark = 0;

	CSiteManagerItemData_Site* data = ReadServerElement(pChild);

	if (!data)
	{
		wxMessageBox(_("Could not read server item."), _("Invalid site path"));
		return 0;
	}

	if (pBookmark)
	{
		TiXmlHandle handle(pBookmark);

		wxString localPath;
		CServerPath remotePath;
		TiXmlText* localDir = handle.FirstChildElement("LocalDir").FirstChild().Text();
		if (localDir)
			localPath = ConvLocal(localDir->Value());
		TiXmlText* remoteDir = handle.FirstChildElement("RemoteDir").FirstChild().Text();
		if (remoteDir)
			remotePath.SetSafePath(ConvLocal(remoteDir->Value()));
		if (!localPath.empty() && !remotePath.IsEmpty())
		{
			data->m_sync = GetTextElementBool(pBookmark, "SyncBrowsing", false);
		}
		else
			data->m_sync = false;

		data->m_localDir = localPath;
		data->m_remoteDir = remotePath;
	}
//.........这里部分代码省略.........