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1 /*
2   Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization
3   dedicated to making software imaging solutions freely available.
4 
5   You may not use this file except in compliance with the License.
6   obtain a copy of the License at
7 
8     http://www.imagemagick.org/script/license.php
9 
10   Unless required by applicable law or agreed to in writing, software
11   distributed under the License is distributed on an "AS IS" BASIS,
12   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   See the License for the specific language governing permissions and
14   limitations under the License.
15 
16   MagickCore exception methods.
17 */
18 #ifndef MAGICKCORE_EXCEPTION_H
19 #define MAGICKCORE_EXCEPTION_H
20 
21 #include "MagickCore/semaphore.h"
22 
23 #if defined(__cplusplus) || defined(c_plusplus)
24 extern "C" {
25 #endif
26 
27 typedef enum
28 {
29   UndefinedException,
30   WarningException = 300,
31   ResourceLimitWarning = 300,
32   TypeWarning = 305,
33   OptionWarning = 310,
34   DelegateWarning = 315,
35   MissingDelegateWarning = 320,
36   CorruptImageWarning = 325,
37   FileOpenWarning = 330,
38   BlobWarning = 335,
39   StreamWarning = 340,
40   CacheWarning = 345,
41   CoderWarning = 350,
42   FilterWarning = 352,
43   ModuleWarning = 355,
44   DrawWarning = 360,
45   ImageWarning = 365,
46   WandWarning = 370,
47   RandomWarning = 375,
48   XServerWarning = 380,
49   MonitorWarning = 385,
50   RegistryWarning = 390,
51   ConfigureWarning = 395,
52   PolicyWarning = 399,
53   ErrorException = 400,
54   ResourceLimitError = 400,
55   TypeError = 405,
56   OptionError = 410,
57   DelegateError = 415,
58   MissingDelegateError = 420,
59   CorruptImageError = 425,
60   FileOpenError = 430,
61   BlobError = 435,
62   StreamError = 440,
63   CacheError = 445,
64   CoderError = 450,
65   FilterError = 452,
66   ModuleError = 455,
67   DrawError = 460,
68   ImageError = 465,
69   WandError = 470,
70   RandomError = 475,
71   XServerError = 480,
72   MonitorError = 485,
73   RegistryError = 490,
74   ConfigureError = 495,
75   PolicyError = 499,
76   FatalErrorException = 700,
77   ResourceLimitFatalError = 700,
78   TypeFatalError = 705,
79   OptionFatalError = 710,
80   DelegateFatalError = 715,
81   MissingDelegateFatalError = 720,
82   CorruptImageFatalError = 725,
83   FileOpenFatalError = 730,
84   BlobFatalError = 735,
85   StreamFatalError = 740,
86   CacheFatalError = 745,
87   CoderFatalError = 750,
88   FilterFatalError = 752,
89   ModuleFatalError = 755,
90   DrawFatalError = 760,
91   ImageFatalError = 765,
92   WandFatalError = 770,
93   RandomFatalError = 775,
94   XServerFatalError = 780,
95   MonitorFatalError = 785,
96   RegistryFatalError = 790,
97   ConfigureFatalError = 795,
98   PolicyFatalError = 799
99 } ExceptionType;
100 
101 struct _ExceptionInfo
102 {
103   ExceptionType
104     severity;
105 
106   int
107     error_number;
108 
109   char
110     *reason,
111     *description;
112 
113   void
114     *exceptions;
115 
116   MagickBooleanType
117     relinquish;
118 
119   SemaphoreInfo
120     *semaphore;
121 
122   size_t
123     signature;
124 };
125 
126 typedef void
127   (*ErrorHandler)(const ExceptionType,const char *,const char *);
128 
129 typedef void
130   (*FatalErrorHandler)(const ExceptionType,const char *,const char *);
131 
132 typedef void
133   (*WarningHandler)(const ExceptionType,const char *,const char *);
134 
135 extern MagickExport char
136   *GetExceptionMessage(const int);
137 
138 extern MagickExport const char
139   *GetLocaleExceptionMessage(const ExceptionType,const char *);
140 
141 extern MagickExport ErrorHandler
142   SetErrorHandler(ErrorHandler);
143 
144 extern MagickExport ExceptionInfo
145   *AcquireExceptionInfo(void),
146   *CloneExceptionInfo(ExceptionInfo *),
147   *DestroyExceptionInfo(ExceptionInfo *);
148 
149 extern MagickExport FatalErrorHandler
150   SetFatalErrorHandler(FatalErrorHandler);
151 
152 extern MagickExport MagickBooleanType
153   ThrowException(ExceptionInfo *,const ExceptionType,const char *,
154     const char *),
155   ThrowMagickExceptionList(ExceptionInfo *,const char *,const char *,
156     const size_t,const ExceptionType,const char *,const char *,va_list),
157   ThrowMagickException(ExceptionInfo *,const char *,const char *,const size_t,
158     const ExceptionType,const char *,const char *,...)
159     magick_attribute((__format__ (__printf__,7,8)));
160 
161 extern MagickExport void
162   CatchException(ExceptionInfo *),
163   ClearMagickException(ExceptionInfo *),
164   InheritException(ExceptionInfo *,const ExceptionInfo *),
165   MagickError(const ExceptionType,const char *,const char *),
166   MagickFatalError(const ExceptionType,const char *,const char *),
167   MagickWarning(const ExceptionType,const char *,const char *);
168 
169 extern MagickExport WarningHandler
170   SetWarningHandler(WarningHandler);
171 
172 #if defined(__cplusplus) || defined(c_plusplus)
173 }
174 #endif
175 
176 #endif
177