+class IconvProcessor
+{
+public:
+ IconvProcessor(
+ char const * tocode = "",
+ char const * fromcode = "");
+ /// copy constructor needed because of pimpl_
+ IconvProcessor(IconvProcessor const &);
+ /// assignment operator needed because of pimpl_
+ IconvProcessor & operator=(IconvProcessor const &);
+ /// destructor (needs to be implemented in the .C file because the
+ /// boost::scoped_ptr destructor needs a fully defined type
+ ~IconvProcessor();
+
+ /// convert any data from \c fromcode to \c tocode unicode format.
+ /// \return the number of bytes of the converted output buffer.
+ int convert(
+ char const * in_buffer,
+ size_t in_size,
+ char * out_buffer,
+ size_t max_out_size);
+private:
+ /// open iconv.
+ /// \return true if the processor is ready to use.
+ bool init();
+
+ std::string tocode_;
+ std::string fromcode_;
+
+ struct Private;
+ boost::scoped_ptr<Private> pimpl_;
+};