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/******************************************************************************
* $Id: cpl_exceptions.i 20628 2010-09-15 20:50:56Z ajolma $
*
* Code for Optional Exception Handling through UseExceptions(),
* DontUseExceptions()
*
* It uses CPLSetErrorHandler to provide a custom function
* which notifies the bindings of errors.
*
* This is not thread safe.
*
******************************************************************************
* Copyright (c) 2005, Kevin Ruland
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
%{
void VeryQuiteErrorHandler(CPLErr eclass, int code, const char *msg ) {
/* 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 ) {
CPLDefaultErrorHandler(eclass, code, msg );
}
}
%}
%inline %{
void UseExceptions() {
CPLSetErrorHandler( (CPLErrorHandler) VeryQuiteErrorHandler );
}
void DontUseExceptions() {
CPLSetErrorHandler( CPLDefaultErrorHandler );
}
%}
%include exception.i
%exception {
CPLErrorReset();
$action
CPLErr eclass = CPLGetLastErrorType();
if ( eclass == CE_Failure || eclass == CE_Fatal ) {
#if defined(SWIGPERL)
SWIG_exception_fail( SWIG_RuntimeError, CPLGetLastErrorMsg() );
#elif defined(SWIGCSHARP)
SWIG_CSharpException(SWIG_RuntimeError, CPLGetLastErrorMsg());
#else
SWIG_exception( SWIG_RuntimeError, CPLGetLastErrorMsg() );
#endif
}
#if defined(SWIGPERL)
/*
Make warnings regular Perl warnings. This duplicates the warning
message if DontUseExceptions() is in effect (it is not by default).
*/
if ( eclass == CE_Warning ) {
warn( CPLGetLastErrorMsg(), "%s" );
}
#endif
}
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