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