2 Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef DCPOMATIC_EXCEPTIONS_H
21 #define DCPOMATIC_EXCEPTIONS_H
23 /** @file src/exceptions.h
24 * @brief Our exceptions.
29 #include <boost/exception/all.hpp>
30 #include <boost/thread.hpp>
32 #include <libavutil/pixfmt.h>
35 /** @class StringError
36 * @brief A parent class for exceptions using messages held in a std::string
38 class StringError : public std::exception
41 /** @param w Error message */
42 StringError (std::string w) {
46 virtual ~StringError () throw () {}
48 /** @return error message */
49 char const * what () const throw () {
50 return _what.c_str ();
58 /** @class DecodeError
59 * @brief A low-level problem with the decoder (possibly due to the nature
62 class DecodeError : public StringError
65 DecodeError (std::string s)
70 /** @class EncodeError
71 * @brief A low-level problem with an encoder.
73 class EncodeError : public StringError
76 EncodeError (std::string s)
82 * @brief Parent class for file-related errors.
84 class FileError : public StringError
87 /** @param m Error message.
88 * @param f Name of the file that this exception concerns.
90 FileError (std::string m, std::string f)
95 virtual ~FileError () throw () {}
97 /** @return name of the file that this exception concerns */
98 std::string file () const {
103 /** name of the file that this exception concerns */
108 /** @class OpenFileError.
109 * @brief Indicates that some error occurred when trying to open a file.
111 class OpenFileError : public FileError
114 /** @param f File that we were trying to open */
115 /* XXX: should be boost::filesystem::path */
116 OpenFileError (std::string f);
119 /** @class CreateFileError.
120 * @brief Indicates that some error occurred when trying to create a file.
122 class CreateFileError : public FileError
125 /** @param f File that we were trying to create */
126 CreateFileError (std::string f);
130 /** @class ReadFileError.
131 * @brief Indicates that some error occurred when trying to read from a file
133 class ReadFileError : public FileError
136 /** @param f File that we were trying to read from.
137 * @param e errno value, or 0.
139 ReadFileError (std::string f, int e = 0);
142 /** @class WriteFileError.
143 * @brief Indicates that some error occurred when trying to write to a file
145 class WriteFileError : public FileError
148 /** @param f File that we were trying to write to.
149 * @param e errno value, or 0.
151 WriteFileError (std::string f, int e);
154 /** @class SettingError.
155 * @brief Indicates that something is wrong with a setting.
157 class SettingError : public StringError
160 /** @param s Name of setting that was required.
163 SettingError (std::string s, std::string m)
168 virtual ~SettingError () throw () {}
170 /** @return name of setting in question */
171 std::string setting () const {
176 std::string _setting;
179 /** @class MissingSettingError.
180 * @brief Indicates that a Film is missing a setting that is required for some operation.
182 class MissingSettingError : public SettingError
185 /** @param s Name of setting that was required */
186 MissingSettingError (std::string s);
189 /** @class BadSettingError
190 * @brief Indicates that a setting is bad in some way.
192 class BadSettingError : public SettingError
195 /** @param s Name of setting that is bad */
196 BadSettingError (std::string s, std::string m)
197 : SettingError (s, m)
201 /** @class NetworkError.
202 * @brief Indicates some problem with communication on the network.
204 class NetworkError : public StringError
207 NetworkError (std::string s)
212 class PixelFormatError : public StringError
215 PixelFormatError (std::string o, AVPixelFormat f);
221 bool thrown () const {
222 boost::mutex::scoped_lock lm (_mutex);
227 boost::mutex::scoped_lock lm (_mutex);
228 boost::rethrow_exception (_exception);
233 void store_current () {
234 boost::mutex::scoped_lock lm (_mutex);
235 _exception = boost::current_exception ();
239 boost::exception_ptr _exception;
240 mutable boost::mutex _mutex;