+class FileNotFoundError : public std::runtime_error
+{
+public:
+ FileNotFoundError (boost::filesystem::path f);
+ virtual ~FileNotFoundError () throw () {}
+
+ /** @return name of the file that this exception concerns */
+ boost::filesystem::path file () const {
+ return _file;
+ }
+
+private:
+ /** name of the file that this exception concerns */
+ boost::filesystem::path _file;
+};
+