1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* This was the cpl_exceptions.i code. But since python is the only one
* different (should support old method as well as new one)
* it was moved into this file.
*/
%{
int bUseExceptions=0;
CPLErrorHandler pfnPreviousHandler = CPLDefaultErrorHandler;
void CPL_STDCALL
PythonBindingErrorHandler(CPLErr eclass, int code, const char *msg )
{
/*
** Generally we want to supress error reporting if we have exceptions
** enabled as the error message will be in the exception thrown in
** Python.
*/
/* If the error class is CE_Fatal, we want to have a message issued
because the CPL support code does an abort() before any exception
can be generated */
if (eclass == CE_Fatal ) {
pfnPreviousHandler(eclass, code, msg );
}
/*
** We do not want to interfere with warnings or debug messages since
** they won't be translated into exceptions.
*/
if (eclass == CE_Warning || eclass == CE_Debug ) {
pfnPreviousHandler(eclass, code, msg );
}
}
%}
%inline %{
int GetUseExceptions() {
return bUseExceptions;
}
void UseExceptions() {
bUseExceptions = 1;
pfnPreviousHandler =
CPLSetErrorHandler( (CPLErrorHandler) PythonBindingErrorHandler );
}
void DontUseExceptions() {
bUseExceptions = 0;
CPLSetErrorHandler( pfnPreviousHandler );
}
%}
%include exception.i
%exception {
if ( bUseExceptions ) {
CPLErrorReset();
}
$action
if ( bUseExceptions ) {
CPLErr eclass = CPLGetLastErrorType();
if ( eclass == CE_Failure || eclass == CE_Fatal ) {
SWIG_exception( SWIG_RuntimeError, CPLGetLastErrorMsg() );
}
}
}
|
