X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fexceptions.h;h=b04d973dc7a62197571ce7d6697917f2023b23e0;hb=373f010a7f04add1f49169cbaa60cb7ae5f508d4;hp=b66d7baa7593bdab18b60335d7d4d7b54c7afbd3;hpb=7893bb062e1ce158eafc51f9fa9c9c31f4cc1463;p=dcpomatic.git diff --git a/src/lib/exceptions.h b/src/lib/exceptions.h index b66d7baa7..b04d973dc 100644 --- a/src/lib/exceptions.h +++ b/src/lib/exceptions.h @@ -17,13 +17,21 @@ */ +#ifndef DCPOMATIC_EXCEPTIONS_H +#define DCPOMATIC_EXCEPTIONS_H + /** @file src/exceptions.h * @brief Our exceptions. */ #include -#include #include +#include +#include +#include +extern "C" { +#include +} /** @class StringError * @brief A parent class for exceptions using messages held in a std::string @@ -77,19 +85,24 @@ public: class FileError : public StringError { public: - FileError (std::string m, std::string f) + /** @param m Error message. + * @param f Name of the file that this exception concerns. + */ + FileError (std::string m, boost::filesystem::path f) : StringError (m) , _file (f) {} virtual ~FileError () throw () {} - std::string file () const { + /** @return name of the file that this exception concerns */ + boost::filesystem::path file () const { return _file; } private: - std::string _file; + /** name of the file that this exception concerns */ + boost::filesystem::path _file; }; @@ -100,9 +113,7 @@ class OpenFileError : public FileError { public: /** @param f File that we were trying to open */ - OpenFileError (std::string f) - : FileError ("could not open file " + f, f) - {} + OpenFileError (boost::filesystem::path f); }; /** @class CreateFileError. @@ -112,9 +123,7 @@ class CreateFileError : public FileError { public: /** @param f File that we were trying to create */ - CreateFileError (std::string f) - : FileError ("could not create file " + f, f) - {} + CreateFileError (boost::filesystem::path f); }; @@ -127,16 +136,7 @@ public: /** @param f File that we were trying to read from. * @param e errno value, or 0. */ - ReadFileError (std::string f, int e) - : FileError ("", f) - { - std::stringstream s; - s << "could not read from file " << f; - if (e) { - s << " (" << strerror (e) << ")"; - } - _what = s.str (); - } + ReadFileError (boost::filesystem::path f, int e = 0); }; /** @class WriteFileError. @@ -148,16 +148,7 @@ public: /** @param f File that we were trying to write to. * @param e errno value, or 0. */ - WriteFileError (std::string f, int e) - : FileError ("", f) - { - std::stringstream s; - s << "could not write to file " << f; - if (e) { - s << " (" << strerror (e) << ")"; - } - _what = s.str (); - } + WriteFileError (boost::filesystem::path f, int e); }; /** @class SettingError. @@ -192,9 +183,7 @@ class MissingSettingError : public SettingError { public: /** @param s Name of setting that was required */ - MissingSettingError (std::string s) - : SettingError (s, "missing required setting " + s) - {} + MissingSettingError (std::string s); }; /** @class BadSettingError @@ -220,18 +209,45 @@ public: {} }; -class PlayError : public StringError +class KDMError : public StringError { public: - PlayError (std::string s) + KDMError (std::string s) : StringError (s) {} }; -class DVDError : public StringError +class PixelFormatError : public StringError { public: - DVDError (std::string s) - : StringError (s) - {} + PixelFormatError (std::string o, AVPixelFormat f); +}; + +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); + } + +protected: + + void store_current () { + boost::mutex::scoped_lock lm (_mutex); + _exception = boost::current_exception (); + } + +private: + boost::exception_ptr _exception; + mutable boost::mutex _mutex; }; + + + +#endif