office-gobmx/pyuno/source/module/pyuno_except.cxx
2011-05-07 20:35:03 +01:00

254 lines
8.5 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
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*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
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* You should have received a copy of the GNU Lesser General Public License
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#include "pyuno_impl.hxx"
#include <rtl/ustrbuf.hxx>
#include <typelib/typedescription.hxx>
using rtl::OUString;
using rtl::OUStringBuffer;
using rtl::OUStringToOString;
using com::sun::star::uno::RuntimeException;
using com::sun::star::uno::Sequence;
using com::sun::star::uno::Type;
using com::sun::star::uno::Reference;
using com::sun::star::uno::XInterface;
using com::sun::star::uno::TypeDescription;
namespace pyuno
{
void raisePyExceptionWithAny( const com::sun::star::uno::Any &anyExc )
{
try
{
Runtime runtime;
PyRef exc = runtime.any2PyObject( anyExc );
if( exc.is() )
{
PyRef type( getClass( anyExc.getValueType().getTypeName(),runtime ) );
PyErr_SetObject( type.get(), exc.get());
}
else
{
com::sun::star::uno::Exception e;
anyExc >>= e;
OUStringBuffer buf;
buf.appendAscii( "Couldn't convert uno exception to a python exception (" );
buf.append(anyExc.getValueType().getTypeName());
buf.appendAscii( ": " );
buf.append(e.Message );
buf.appendAscii( ")" );
PyErr_SetString(
PyExc_SystemError,
OUStringToOString(buf.makeStringAndClear(),RTL_TEXTENCODING_ASCII_US) );
}
}
catch( com::sun::star::lang::IllegalArgumentException & e)
{
PyErr_SetString( PyExc_SystemError,
OUStringToOString( e.Message, RTL_TEXTENCODING_ASCII_US) );
}
catch( com::sun::star::script::CannotConvertException & e)
{
PyErr_SetString( PyExc_SystemError,
OUStringToOString( e.Message, RTL_TEXTENCODING_ASCII_US) );
}
catch( RuntimeException & e)
{
PyErr_SetString( PyExc_SystemError,
OUStringToOString( e.Message, RTL_TEXTENCODING_ASCII_US) );
}
}
static PyRef createClass( const OUString & name, const Runtime &runtime )
throw ( RuntimeException )
{
// assuming that this is never deleted !
// note I don't have the knowledge how to initialize these type objects correctly !
TypeDescription desc( name );
if( ! desc.is() )
{
OUStringBuffer buf;
buf.appendAscii( "pyuno.getClass: uno exception " );
buf.append(name).appendAscii( " is unknown" );
throw RuntimeException( buf.makeStringAndClear(), Reference< XInterface > () );
}
sal_Bool isStruct = desc.get()->eTypeClass == typelib_TypeClass_STRUCT;
sal_Bool isExc = desc.get()->eTypeClass == typelib_TypeClass_EXCEPTION;
sal_Bool isInterface = desc.get()->eTypeClass == typelib_TypeClass_INTERFACE;
if( !isStruct && !isExc && ! isInterface )
{
OUStringBuffer buf;
buf.appendAscii( "pyuno.getClass: " ).append(name).appendAscii( "is a " );
buf.appendAscii(
typeClassToString( (com::sun::star::uno::TypeClass) desc.get()->eTypeClass));
buf.appendAscii( ", expected EXCEPTION, STRUCT or INTERFACE" );
throw RuntimeException( buf.makeStringAndClear(), Reference< XInterface>() );
}
// retrieve base class
PyRef base;
if( isInterface )
{
typelib_InterfaceTypeDescription *pDesc = (typelib_InterfaceTypeDescription * )desc.get();
if( pDesc->pBaseTypeDescription )
{
base = getClass( pDesc->pBaseTypeDescription->aBase.pTypeName, runtime );
}
else
{
// must be XInterface !
}
}
else
{
typelib_CompoundTypeDescription *pDesc = (typelib_CompoundTypeDescription*)desc.get();
if( pDesc->pBaseTypeDescription )
{
base = getClass( pDesc->pBaseTypeDescription->aBase.pTypeName, runtime );
}
else
{
if( isExc )
// we are currently creating the root UNO exception
base = PyRef(PyExc_Exception);
}
}
PyRef args( PyTuple_New( 3 ), SAL_NO_ACQUIRE );
PyRef pyTypeName = ustring2PyString( name /*.replace( '.', '_' )*/ );
PyRef bases;
if( base.is() )
{
{ // for CC, keeping ref-count being 1
bases = PyRef( PyTuple_New( 1 ), SAL_NO_ACQUIRE );
}
PyTuple_SetItem( bases.get(), 0 , base.getAcquired() );
}
else
{
bases = PyRef( PyTuple_New( 0 ), SAL_NO_ACQUIRE );
}
PyTuple_SetItem( args.get(), 0, pyTypeName.getAcquired());
PyTuple_SetItem( args.get(), 1, bases.getAcquired() );
PyTuple_SetItem( args.get(), 2, PyDict_New() );
PyRef ret(
PyObject_CallObject(reinterpret_cast<PyObject *>(&PyType_Type) , args.get()),
SAL_NO_ACQUIRE );
// now overwrite ctor and attrib functions
if( isInterface )
{
PyObject_SetAttrString(
ret.get(), const_cast< char * >("__pyunointerface__"),
ustring2PyString(name).get() );
}
else
{
PyRef ctor = getObjectFromUnoModule( runtime,"_uno_struct__init__" );
PyRef setter = getObjectFromUnoModule( runtime,"_uno_struct__setattr__" );
PyRef getter = getObjectFromUnoModule( runtime,"_uno_struct__getattr__" );
PyRef repr = getObjectFromUnoModule( runtime,"_uno_struct__repr__" );
PyRef eq = getObjectFromUnoModule( runtime,"_uno_struct__eq__" );
PyObject_SetAttrString(
ret.get(), const_cast< char * >("__pyunostruct__"),
ustring2PyString(name).get() );
PyObject_SetAttrString(
ret.get(), const_cast< char * >("typeName"),
ustring2PyString(name).get() );
PyObject_SetAttrString(
ret.get(), const_cast< char * >("__init__"), ctor.get() );
PyObject_SetAttrString(
ret.get(), const_cast< char * >("__getattr__"), getter.get() );
PyObject_SetAttrString(
ret.get(), const_cast< char * >("__setattr__"), setter.get() );
PyObject_SetAttrString(
ret.get(), const_cast< char * >("__repr__"), repr.get() );
PyObject_SetAttrString(
ret.get(), const_cast< char * >("__str__"), repr.get() );
PyObject_SetAttrString(
ret.get(), const_cast< char * >("__eq__"), eq.get() );
}
return ret;
}
bool isInstanceOfStructOrException( PyObject *obj)
{
PyRef attr(
PyObject_GetAttrString(obj, const_cast< char * >("__class__")),
SAL_NO_ACQUIRE );
return PyObject_HasAttrString(
attr.get(), const_cast< char * >("__pyunostruct__"));
}
sal_Bool isInterfaceClass( const Runtime &runtime, PyObject * obj )
{
const ClassSet & set = runtime.getImpl()->cargo->interfaceSet;
return set.find( obj ) != set.end();
}
PyRef getClass( const OUString & name , const Runtime &runtime)
{
PyRef ret;
RuntimeCargo *cargo =runtime.getImpl()->cargo;
ExceptionClassMap::iterator ii = cargo->exceptionMap.find( name );
if( ii == cargo->exceptionMap.end() )
{
ret = createClass( name, runtime );
cargo->exceptionMap[name] = ret;
if( PyObject_HasAttrString(
ret.get(), const_cast< char * >("__pyunointerface__") ) )
cargo->interfaceSet.insert( ret );
PyObject_SetAttrString(
ret.get(), const_cast< char * >("__pyunointerface__"),
ustring2PyString(name).get() );
}
else
{
ret = ii->second;
}
return ret;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */