X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fexceptions.h;h=52f257a8d3f558550ccba9724dfe612e3eca55c0;hb=3e12c68dc0451e73b5bc1a84d1d70f4999f7b4b5;hp=f4631c09b67310bcf75492daca3b2b58dfd5e835;hpb=c3da7c64f01420447dbab7f5c2ea42ff1b911cc5;p=dcpomatic.git diff --git a/src/lib/exceptions.h b/src/lib/exceptions.h index f4631c09b..52f257a8d 100644 --- a/src/lib/exceptions.h +++ b/src/lib/exceptions.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2014 Carl Hetherington This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,13 +17,13 @@ */ -#ifndef DCPOMATIC_EXCEPTIONS_H -#define DCPOMATIC_EXCEPTIONS_H - -/** @file src/exceptions.h +/** @file src/lib/exceptions.h * @brief Our exceptions. */ +#ifndef DCPOMATIC_EXCEPTIONS_H +#define DCPOMATIC_EXCEPTIONS_H + #include #include #include @@ -205,7 +205,7 @@ public: {} }; -/** @class NetworkError. +/** @class NetworkError * @brief Indicates some problem with communication on the network. */ class NetworkError : public StringError @@ -216,6 +216,9 @@ public: {} }; +/** @class KDMError + * @brief A problem with a KDM. + */ class KDMError : public StringError { public: @@ -224,23 +227,66 @@ public: {} }; +/** @class PixelFormatError + * @brief A problem with an unsupported pixel format. + */ class PixelFormatError : public StringError { public: PixelFormatError (std::string o, AVPixelFormat f); }; +/** @class SubRipError + * @brief An error that occurs while parsing a SubRip file. + */ +class SubRipError : public FileError +{ +public: + SubRipError (std::string, std::string, boost::filesystem::path); +}; + +class DCPError : public StringError +{ +public: + DCPError (std::string s) + : StringError (s) + {} +}; + +class InvalidSignerError : public StringError +{ +public: + InvalidSignerError (); +}; + +/** @class ExceptionStore + * @brief A parent class for classes which have a need to catch and + * re-throw exceptions. + * + * This is intended for classes which run their own thread; they should do + * something like + * + * void my_thread () + * try { + * // do things which might throw exceptions + * } catch (...) { + * store_current (); + * } + * + * and then in another thread call rethrow(). If any + * exception was thrown by my_thread it will be stored by + * store_current() and then rethrow() will re-throw it where + * it can be handled. + */ class ExceptionStore { public: - bool thrown () const { - boost::mutex::scoped_lock lm (_mutex); - return _exception; - } - void rethrow () { boost::mutex::scoped_lock lm (_mutex); - boost::rethrow_exception (_exception); + if (_exception) { + boost::rethrow_exception (_exception); + _exception = boost::exception_ptr (); + } } protected: @@ -255,6 +301,4 @@ private: mutable boost::mutex _mutex; }; - - #endif