245 lines
7.9 KiB
C++
245 lines
7.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "pyuno_impl.hxx"
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#include <rtl/ustrbuf.hxx>
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#include <typelib/typedescription.hxx>
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using com::sun::star::uno::RuntimeException;
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using com::sun::star::uno::Sequence;
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using com::sun::star::uno::Type;
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using com::sun::star::uno::Reference;
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using com::sun::star::uno::XInterface;
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using com::sun::star::uno::TypeDescription;
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namespace pyuno
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{
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void raisePyExceptionWithAny( const com::sun::star::uno::Any &anyExc )
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{
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try
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{
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Runtime runtime;
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PyRef exc = runtime.any2PyObject( anyExc );
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if( exc.is() )
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{
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PyRef type( getClass( anyExc.getValueType().getTypeName(),runtime ) );
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PyErr_SetObject( type.get(), exc.get());
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}
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else
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{
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com::sun::star::uno::Exception e;
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anyExc >>= e;
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OUStringBuffer buf;
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buf.appendAscii( "Couldn't convert uno exception to a python exception (" );
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buf.append(anyExc.getValueType().getTypeName());
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buf.appendAscii( ": " );
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buf.append(e.Message );
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buf.appendAscii( ")" );
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PyErr_SetString(
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PyExc_SystemError,
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OUStringToOString(buf.makeStringAndClear(),RTL_TEXTENCODING_ASCII_US).getStr() );
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}
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}
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catch(const com::sun::star::lang::IllegalArgumentException & e)
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{
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PyErr_SetString( PyExc_SystemError,
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OUStringToOString( e.Message, RTL_TEXTENCODING_ASCII_US).getStr() );
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}
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catch(const com::sun::star::script::CannotConvertException & e)
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{
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PyErr_SetString( PyExc_SystemError,
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OUStringToOString( e.Message, RTL_TEXTENCODING_ASCII_US).getStr() );
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}
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catch(const RuntimeException & e)
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{
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PyErr_SetString( PyExc_SystemError,
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OUStringToOString( e.Message, RTL_TEXTENCODING_ASCII_US).getStr() );
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}
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}
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static PyRef createClass( const OUString & name, const Runtime &runtime )
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throw ( RuntimeException )
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{
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// assuming that this is never deleted !
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// note I don't have the knowledge how to initialize these type objects correctly !
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TypeDescription desc( name );
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if( ! desc.is() )
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{
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OUStringBuffer buf;
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buf.appendAscii( "pyuno.getClass: uno exception " );
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buf.append(name).appendAscii( " is unknown" );
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throw RuntimeException( buf.makeStringAndClear() );
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}
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bool isStruct = desc.get()->eTypeClass == typelib_TypeClass_STRUCT;
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bool isExc = desc.get()->eTypeClass == typelib_TypeClass_EXCEPTION;
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bool isInterface = desc.get()->eTypeClass == typelib_TypeClass_INTERFACE;
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if( !isStruct && !isExc && ! isInterface )
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{
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OUStringBuffer buf;
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buf.appendAscii( "pyuno.getClass: " ).append(name).appendAscii( "is a " );
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buf.appendAscii(
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typeClassToString( (com::sun::star::uno::TypeClass) desc.get()->eTypeClass));
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buf.appendAscii( ", expected EXCEPTION, STRUCT or INTERFACE" );
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throw RuntimeException( buf.makeStringAndClear() );
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}
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// retrieve base class
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PyRef base;
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if( isInterface )
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{
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typelib_InterfaceTypeDescription *pDesc = reinterpret_cast<typelib_InterfaceTypeDescription *>(desc.get());
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if( pDesc->pBaseTypeDescription )
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{
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base = getClass( pDesc->pBaseTypeDescription->aBase.pTypeName, runtime );
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}
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else
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{
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// must be XInterface !
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}
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}
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else
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{
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typelib_CompoundTypeDescription *pDesc = reinterpret_cast<typelib_CompoundTypeDescription*>(desc.get());
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if( pDesc->pBaseTypeDescription )
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{
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base = getClass( pDesc->pBaseTypeDescription->aBase.pTypeName, runtime );
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}
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else
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{
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if( isExc )
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// we are currently creating the root UNO exception
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base = PyRef(PyExc_Exception);
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}
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}
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PyRef args( PyTuple_New( 3 ), SAL_NO_ACQUIRE, NOT_NULL );
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PyRef pyTypeName = ustring2PyString( name /*.replace( '.', '_' )*/ );
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PyRef bases;
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if( base.is() )
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{
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{ // for CC, keeping ref-count being 1
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bases = PyRef( PyTuple_New( 1 ), SAL_NO_ACQUIRE );
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}
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PyTuple_SetItem( bases.get(), 0 , base.getAcquired() );
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}
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else
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{
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bases = PyRef( PyTuple_New( 0 ), SAL_NO_ACQUIRE );
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}
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PyTuple_SetItem( args.get(), 0, pyTypeName.getAcquired());
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PyTuple_SetItem( args.get(), 1, bases.getAcquired() );
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PyTuple_SetItem( args.get(), 2, PyDict_New() );
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PyRef ret(
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PyObject_CallObject(reinterpret_cast<PyObject *>(&PyType_Type) , args.get()),
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SAL_NO_ACQUIRE );
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// now overwrite ctor and attrib functions
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if( isInterface )
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{
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PyObject_SetAttrString(
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ret.get(), "__pyunointerface__",
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ustring2PyString(name).get() );
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}
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else
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{
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PyRef ctor = getObjectFromUnoModule( runtime,"_uno_struct__init__" );
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PyRef setter = getObjectFromUnoModule( runtime,"_uno_struct__setattr__" );
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PyRef getter = getObjectFromUnoModule( runtime,"_uno_struct__getattr__" );
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PyRef repr = getObjectFromUnoModule( runtime,"_uno_struct__repr__" );
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PyRef eq = getObjectFromUnoModule( runtime,"_uno_struct__eq__" );
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PyObject_SetAttrString(
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ret.get(), "__pyunostruct__",
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ustring2PyString(name).get() );
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PyObject_SetAttrString(
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ret.get(), "typeName",
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ustring2PyString(name).get() );
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PyObject_SetAttrString(
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ret.get(), "__init__", ctor.get() );
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PyObject_SetAttrString(
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ret.get(), "__getattr__", getter.get() );
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PyObject_SetAttrString(
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ret.get(), "__setattr__", setter.get() );
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PyObject_SetAttrString(
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ret.get(), "__repr__", repr.get() );
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PyObject_SetAttrString(
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ret.get(), "__str__", repr.get() );
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PyObject_SetAttrString(
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ret.get(), "__eq__", eq.get() );
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}
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return ret;
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}
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bool isInstanceOfStructOrException( PyObject *obj)
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{
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PyRef attr(
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PyObject_GetAttrString(obj, "__class__"),
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SAL_NO_ACQUIRE );
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if(attr.is())
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return PyObject_HasAttrString(attr.get(), "__pyunostruct__");
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else
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return false;
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}
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bool isInterfaceClass( const Runtime &runtime, PyObject * obj )
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{
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const ClassSet & set = runtime.getImpl()->cargo->interfaceSet;
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return set.find( obj ) != set.end();
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}
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PyRef getClass( const OUString & name , const Runtime &runtime)
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{
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PyRef ret;
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RuntimeCargo *cargo =runtime.getImpl()->cargo;
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ExceptionClassMap::iterator ii = cargo->exceptionMap.find( name );
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if( ii == cargo->exceptionMap.end() )
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{
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ret = createClass( name, runtime );
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cargo->exceptionMap[name] = ret;
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if( PyObject_HasAttrString(
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ret.get(), "__pyunointerface__" ) )
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cargo->interfaceSet.insert( ret );
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PyObject_SetAttrString(
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ret.get(), "__pyunointerface__",
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ustring2PyString(name).get() );
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}
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else
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{
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ret = ii->second;
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}
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return ret;
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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