ome-files  0.1.1
Sentry.h
1 /*
2  * #%L
3  * OME-FILES C++ library for image IO.
4  * Copyright © 2006 - 2015 Open Microscopy Environment:
5  * - Massachusetts Institute of Technology
6  * - National Institutes of Health
7  * - University of Dundee
8  * - Board of Regents of the University of Wisconsin-Madison
9  * - Glencoe Software, Inc.
10  * %%
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15  * this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright notice,
17  * this list of conditions and the following disclaimer in the documentation
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20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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37 
38 #ifndef OME_FILES_TIFF_SENTRY_H
39 #define OME_FILES_TIFF_SENTRY_H
40 
41 #include <cstdarg>
42 #include <string>
43 
44 #include <boost/thread.hpp>
45 
46 #include <ome/compat/cstdint.h>
47 #include <ome/compat/memory.h>
48 
49 namespace ome
50 {
51  namespace files
52  {
53  namespace tiff
54  {
55 
73  class Sentry
74  {
75  public:
77  Sentry();
78 
80  ~Sentry();
81 
82  private:
90  void
91  setMessage(std::string const& message);
92 
93  public:
101  std::string const&
102  getMessage() const;
103 
115  void
116  error(const std::string& message) const;
117 
125  void
126  error() const;
127 
128  private:
130  static boost::recursive_mutex tiff_mutex;
131 
133  boost::lock_guard<boost::recursive_mutex> lock;
134 
136  std::string message;
137 
149  static void
150  errorHandler(const char *module,
151  const char *fmt,
152  va_list ap);
153 
154  };
155 
156  }
157  }
158 }
159 
160 #endif // OME_FILES_TIFF_SENTRY_H
161 
162 /*
163  * Local Variables:
164  * mode:C++
165  * End:
166  */
Sentry for saving and restoring libtiff state.
Definition: Sentry.h:73
std::string const & getMessage() const
Get the latest error message.
Definition: Sentry.cpp:172
void error() const
Throw an Exception.
Definition: Sentry.cpp:187
boost::lock_guard< boost::recursive_mutex > lock
Acquired lock on tiff_lock.
Definition: Sentry.h:133
~Sentry()
Destructor.
Definition: Sentry.cpp:160
static void errorHandler(const char *module, const char *fmt, va_list ap)
libtiff error handler.
Definition: Sentry.cpp:104
void setMessage(std::string const &message)
Set the latest error message.
Definition: Sentry.cpp:166
static boost::recursive_mutex tiff_mutex
Mutex to lock libtiff access.
Definition: Sentry.h:130
Sentry()
Constructor.
Definition: Sentry.cpp:153
std::string message
Last error message.
Definition: Sentry.h:136