daffodil.util.errors source code

1 module daffodil.util.errors;
2 
3 public import std.exception;
4 
5 /// Create a basic exception subclass with the default exception constructor.
6 mixin template classException(string name, base = Exception) {
7     mixin(q{
8         class }~name~q{ : base {
9             @safe pure nothrow this(string m, string f = __FILE__, size_t l = __LINE__, Throwable n = null ) {
10                 super(m, f, l, n);
11             }
12         }
13     });
14 }
15 
16 /// Exception thrown when a image failed to load
17 mixin classException!"ImageException";
18 
19 /// Exception thrown when the header for an image is invalid
20 mixin classException!("InvalidHeader", ImageException);
21 
22 /// Exception thrown when image data was not in a required format, ie. wrong file type
23 mixin classException!("InvalidImageType", ImageException);
24 
25 /// Exception thrown when a image has unsupported features.
26 mixin classException!("NotSupported", ImageException);
27 
28 /// Exception thrown when the end of a file is reached before all expected data was read
29 mixin classException!("UnexpectedEndOfData", ImageException);