/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
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
*/
-#ifndef DCPOMATIC_EXCEPTIONS_H
-#define DCPOMATIC_EXCEPTIONS_H
-
-/** @file src/exceptions.h
+/** @file src/lib/exceptions.h
* @brief Our exceptions.
*/
-#include <stdexcept>
-#include <cstring>
-#include <boost/exception/all.hpp>
-#include <boost/filesystem.hpp>
+#ifndef DCPOMATIC_EXCEPTIONS_H
+#define DCPOMATIC_EXCEPTIONS_H
+
#include <boost/thread.hpp>
extern "C" {
#include <libavutil/pixfmt.h>
}
+#include <boost/exception/all.hpp>
+#include <boost/filesystem.hpp>
+#include <stdexcept>
+#include <cstring>
/** @class StringError
* @brief A parent class for exceptions using messages held in a std::string
{
public:
/** @param w Error message */
- StringError (std::string w) {
- _what = w;
- }
+ StringError (std::string w)
+ : _what (w)
+ {}
virtual ~StringError () throw () {}
/** name of the file that this exception concerns */
boost::filesystem::path _file;
};
-
+
+class JoinError : public StringError
+{
+public:
+ JoinError (std::string s)
+ : StringError (s)
+ {}
+};
/** @class OpenFileError.
* @brief Indicates that some error occurred when trying to open a file.
{}
};
-/** @class NetworkError.
+/** @class NetworkError
* @brief Indicates some problem with communication on the network.
*/
class NetworkError : public StringError
{}
};
+/** @class KDMError
+ * @brief A problem with a KDM.
+ */
class KDMError : public StringError
{
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 ProgrammingError : public StringError
+{
+public:
+ ProgrammingError (std::string file, int line);
+};
+
+/** @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::exception_ptr tmp = _exception;
+ _exception = boost::exception_ptr ();
+ boost::rethrow_exception (tmp);
+ }
}
protected:
mutable boost::mutex _mutex;
};
-
-
#endif