Helper function for calling into Symbian classes that expect a TDes&. This function converts a QString to a TDes by allocating memory that must be deleted by the caller for Linux.

symbian平台下的代码，主要实现string处理，gzip压缩处理，xml分析。虽然symbian已经没落了，但是还是留个记忆吧。-symbian platform code, the main string handling, gzip compression, xml analysis. Though symbian has been declining, but still leave a memory of it.

symbian平台下的代码，主要实现文件处理，db处理，xml分析。虽然symbian已经没落了，但是还是留个记忆吧。-symbian platform code, mainly for file handling, db processing, xml analysis. Though symbian has been declining, but still leave a memory of it.

symbian平台下的代码，主要实现插件思想。虽然symbian已经没落了，但是还是留个记忆吧。-symbian platform code, the main achievement of the plug-in ideas. Though symbian has been declining, but still leave a memory of it.