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/**
* A class to expose ImageInfo QuantizeInfo and DrawInfo
*
* Copyright: Mike Wey 2011
* License: To be determined
* Authors: Mike Wey
*/
module dmagick.Exception;
import std.conv;
import dmagick.c.client;
import dmagick.c.exception;
/**
* A base class for all exceptions thrown bij DMagick.
* The following Exceptions are derived from this class: $(BR)$(BR)
* ResourceLimitException, TypeException, OptionException,
* DelegateException, MissingDelegateException, CorruptImageException,
* FileOpenException, BlobException, StreamException, CacheException,
* CoderException, FilterException, ModuleException, DrawException,
* ImageException, WandException, RandomException, XServerException,
* MonitorException, RegistryException, ConfigureException, PolicyException
*/
class MagickException : Exception
{
this(string reason, string description)
{
string message = to!(string)(GetClientName());
if ( reason.length > 0 )
message ~= ": " ~ reason;
if ( description.length > 0 )
message ~= " (" ~ description ~ ")";
super(message);
}
}
/**
* A base class for all errors thrown bij DMagick.
* The following Errors are derived from this class: $(BR)$(BR)
* ResourceLimitError, TypeError, OptionError,
* DelegateError, MissingDelegateError, CorruptImageError,
* FileOpenError, BlobError, StreamError, CacheError,
* CoderError, FilterError, ModuleError, DrawError,
* ImageError, WandError, RandomError, XServerError,
* MonitorError, RegistryError, ConfigureError, PolicyError
*/
class MagickError : Error
{
this(string reason, string description)
{
string message = to!(string)(GetClientName());
if ( reason.length > 0 )
message ~= ": " ~ reason;
if ( description.length > 0 )
message ~= " (" ~ description ~ ")";
super(message);
}
}
mixin(generateExceptions());
/**
* Generate the exceptions and the throwException function;
*/
private string generateExceptions()
{
string[] severities = [ "Blob", "Cache", "Coder", "Configure",
"CorruptImage", "Delegate", "Draw", "FileOpen", "Filter",
"Image", "MissingDelegate", "Module", "Monitor", "Option",
"Policy", "Random", "Registry", "ResourceLimit", "Stream",
"Type", "Wand", "XServer" ];
string exceptions;
exceptions ~=
"void throwException(ExceptionInfo* exception)
{
if ( exception.severity == ExceptionType.UndefinedException )
return;
string reason = to!(string)(exception.reason);
string description = to!(string)(exception.description);
switch(exception.severity)
{";
foreach ( severity; severities )
{
exceptions ~=
"case ExceptionType."~ severity ~"Warning:
throw new "~ severity ~"Exception(reason, description);
break;";
}
exceptions ~= "}}";
foreach ( severity; severities )
{
exceptions ~=
"class " ~ severity ~ "Exception : MagickException
{
this(string reason, string description)
{
super(reason, description);
}
}";
exceptions ~=
"class " ~ severity ~ "Error : MagickError
{
this(string reason, string description)
{
super(reason, description);
}
}";
}
return exceptions;
}
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