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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 : #include "pyuno_impl.hxx"
20 :
21 : #include <rtl/ustrbuf.hxx>
22 :
23 : #include <typelib/typedescription.hxx>
24 :
25 :
26 : using com::sun::star::uno::RuntimeException;
27 : using com::sun::star::uno::Sequence;
28 : using com::sun::star::uno::Type;
29 : using com::sun::star::uno::Reference;
30 : using com::sun::star::uno::XInterface;
31 : using com::sun::star::uno::TypeDescription;
32 :
33 : namespace pyuno
34 : {
35 :
36 0 : void raisePyExceptionWithAny( const com::sun::star::uno::Any &anyExc )
37 : {
38 : try
39 : {
40 0 : Runtime runtime;
41 0 : PyRef exc = runtime.any2PyObject( anyExc );
42 0 : if( exc.is() )
43 : {
44 0 : PyRef type( getClass( anyExc.getValueType().getTypeName(),runtime ) );
45 0 : PyErr_SetObject( type.get(), exc.get());
46 : }
47 : else
48 : {
49 0 : com::sun::star::uno::Exception e;
50 0 : anyExc >>= e;
51 :
52 0 : OUStringBuffer buf;
53 0 : buf.appendAscii( "Couldn't convert uno exception to a python exception (" );
54 0 : buf.append(anyExc.getValueType().getTypeName());
55 0 : buf.appendAscii( ": " );
56 0 : buf.append(e.Message );
57 0 : buf.appendAscii( ")" );
58 : PyErr_SetString(
59 : PyExc_SystemError,
60 0 : OUStringToOString(buf.makeStringAndClear(),RTL_TEXTENCODING_ASCII_US).getStr() );
61 0 : }
62 : }
63 0 : catch(const com::sun::star::lang::IllegalArgumentException & e)
64 : {
65 : PyErr_SetString( PyExc_SystemError,
66 0 : OUStringToOString( e.Message, RTL_TEXTENCODING_ASCII_US).getStr() );
67 : }
68 0 : catch(const com::sun::star::script::CannotConvertException & e)
69 : {
70 : PyErr_SetString( PyExc_SystemError,
71 0 : OUStringToOString( e.Message, RTL_TEXTENCODING_ASCII_US).getStr() );
72 : }
73 0 : catch(const RuntimeException & e)
74 : {
75 : PyErr_SetString( PyExc_SystemError,
76 0 : OUStringToOString( e.Message, RTL_TEXTENCODING_ASCII_US).getStr() );
77 : }
78 0 : }
79 :
80 :
81 0 : static PyRef createClass( const OUString & name, const Runtime &runtime )
82 : throw ( RuntimeException )
83 : {
84 : // assuming that this is never deleted !
85 : // note I don't have the knowledge how to initialize these type objects correctly !
86 0 : TypeDescription desc( name );
87 0 : if( ! desc.is() )
88 : {
89 0 : OUStringBuffer buf;
90 0 : buf.appendAscii( "pyuno.getClass: uno exception " );
91 0 : buf.append(name).appendAscii( " is unknown" );
92 0 : throw RuntimeException( buf.makeStringAndClear(), Reference< XInterface > () );
93 : }
94 :
95 0 : sal_Bool isStruct = desc.get()->eTypeClass == typelib_TypeClass_STRUCT;
96 0 : sal_Bool isExc = desc.get()->eTypeClass == typelib_TypeClass_EXCEPTION;
97 0 : sal_Bool isInterface = desc.get()->eTypeClass == typelib_TypeClass_INTERFACE;
98 0 : if( !isStruct && !isExc && ! isInterface )
99 : {
100 0 : OUStringBuffer buf;
101 0 : buf.appendAscii( "pyuno.getClass: " ).append(name).appendAscii( "is a " );
102 : buf.appendAscii(
103 0 : typeClassToString( (com::sun::star::uno::TypeClass) desc.get()->eTypeClass));
104 0 : buf.appendAscii( ", expected EXCEPTION, STRUCT or INTERFACE" );
105 0 : throw RuntimeException( buf.makeStringAndClear(), Reference< XInterface>() );
106 : }
107 :
108 : // retrieve base class
109 0 : PyRef base;
110 0 : if( isInterface )
111 : {
112 0 : typelib_InterfaceTypeDescription *pDesc = (typelib_InterfaceTypeDescription * )desc.get();
113 0 : if( pDesc->pBaseTypeDescription )
114 : {
115 0 : base = getClass( pDesc->pBaseTypeDescription->aBase.pTypeName, runtime );
116 : }
117 : else
118 : {
119 : // must be XInterface !
120 : }
121 : }
122 : else
123 : {
124 0 : typelib_CompoundTypeDescription *pDesc = (typelib_CompoundTypeDescription*)desc.get();
125 0 : if( pDesc->pBaseTypeDescription )
126 : {
127 0 : base = getClass( pDesc->pBaseTypeDescription->aBase.pTypeName, runtime );
128 : }
129 : else
130 : {
131 0 : if( isExc )
132 : // we are currently creating the root UNO exception
133 0 : base = PyRef(PyExc_Exception);
134 : }
135 : }
136 0 : PyRef args( PyTuple_New( 3 ), SAL_NO_ACQUIRE );
137 :
138 0 : PyRef pyTypeName = ustring2PyString( name /*.replace( '.', '_' )*/ );
139 :
140 0 : PyRef bases;
141 0 : if( base.is() )
142 : {
143 : { // for CC, keeping ref-count being 1
144 0 : bases = PyRef( PyTuple_New( 1 ), SAL_NO_ACQUIRE );
145 : }
146 0 : PyTuple_SetItem( bases.get(), 0 , base.getAcquired() );
147 : }
148 : else
149 : {
150 0 : bases = PyRef( PyTuple_New( 0 ), SAL_NO_ACQUIRE );
151 : }
152 :
153 0 : PyTuple_SetItem( args.get(), 0, pyTypeName.getAcquired());
154 0 : PyTuple_SetItem( args.get(), 1, bases.getAcquired() );
155 0 : PyTuple_SetItem( args.get(), 2, PyDict_New() );
156 :
157 : PyRef ret(
158 : PyObject_CallObject(reinterpret_cast<PyObject *>(&PyType_Type) , args.get()),
159 0 : SAL_NO_ACQUIRE );
160 :
161 : // now overwrite ctor and attrib functions
162 0 : if( isInterface )
163 : {
164 : PyObject_SetAttrString(
165 : ret.get(), "__pyunointerface__",
166 0 : ustring2PyString(name).get() );
167 : }
168 : else
169 : {
170 0 : PyRef ctor = getObjectFromUnoModule( runtime,"_uno_struct__init__" );
171 0 : PyRef setter = getObjectFromUnoModule( runtime,"_uno_struct__setattr__" );
172 0 : PyRef getter = getObjectFromUnoModule( runtime,"_uno_struct__getattr__" );
173 0 : PyRef repr = getObjectFromUnoModule( runtime,"_uno_struct__repr__" );
174 0 : PyRef eq = getObjectFromUnoModule( runtime,"_uno_struct__eq__" );
175 :
176 : PyObject_SetAttrString(
177 : ret.get(), "__pyunostruct__",
178 0 : ustring2PyString(name).get() );
179 : PyObject_SetAttrString(
180 : ret.get(), "typeName",
181 0 : ustring2PyString(name).get() );
182 : PyObject_SetAttrString(
183 0 : ret.get(), "__init__", ctor.get() );
184 : PyObject_SetAttrString(
185 0 : ret.get(), "__getattr__", getter.get() );
186 : PyObject_SetAttrString(
187 0 : ret.get(), "__setattr__", setter.get() );
188 : PyObject_SetAttrString(
189 0 : ret.get(), "__repr__", repr.get() );
190 : PyObject_SetAttrString(
191 0 : ret.get(), "__str__", repr.get() );
192 : PyObject_SetAttrString(
193 0 : ret.get(), "__eq__", eq.get() );
194 : }
195 0 : return ret;
196 : }
197 :
198 0 : bool isInstanceOfStructOrException( PyObject *obj)
199 : {
200 : PyRef attr(
201 : PyObject_GetAttrString(obj, "__class__"),
202 0 : SAL_NO_ACQUIRE );
203 0 : if(attr.is())
204 0 : return PyObject_HasAttrString(attr.get(), "__pyunostruct__");
205 : else
206 0 : return false;
207 : }
208 :
209 0 : sal_Bool isInterfaceClass( const Runtime &runtime, PyObject * obj )
210 : {
211 0 : const ClassSet & set = runtime.getImpl()->cargo->interfaceSet;
212 0 : return set.find( obj ) != set.end();
213 : }
214 :
215 0 : PyRef getClass( const OUString & name , const Runtime &runtime)
216 : {
217 0 : PyRef ret;
218 :
219 0 : RuntimeCargo *cargo =runtime.getImpl()->cargo;
220 0 : ExceptionClassMap::iterator ii = cargo->exceptionMap.find( name );
221 0 : if( ii == cargo->exceptionMap.end() )
222 : {
223 0 : ret = createClass( name, runtime );
224 0 : cargo->exceptionMap[name] = ret;
225 0 : if( PyObject_HasAttrString(
226 0 : ret.get(), "__pyunointerface__" ) )
227 0 : cargo->interfaceSet.insert( ret );
228 :
229 : PyObject_SetAttrString(
230 : ret.get(), "__pyunointerface__",
231 0 : ustring2PyString(name).get() );
232 : }
233 : else
234 : {
235 0 : ret = ii->second;
236 : }
237 :
238 0 : return ret;
239 : }
240 :
241 :
242 : }
243 :
244 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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