LibreOffice Module comphelper (master) 1
anytostring.cxx
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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
20
21#include <comphelper/anytostring.hxx>
22#include <rtl/ustrbuf.hxx>
23#include <typelib/typedescription.hxx>
24#include <com/sun/star/lang/XServiceInfo.hpp>
25
26#include "typedescriptionref.hxx"
27
28using namespace ::com::sun::star;
29using ::com::sun::star::uno::TypeDescription;
30using ::comphelper::detail::TypeDescriptionRef;
31
32namespace comphelper {
33namespace {
34
35void appendTypeError(
36 OUStringBuffer & buf, const typelib_TypeDescriptionReference * typeRef )
37{
38 buf.append( "<cannot get type description of type " );
39 buf.append( OUString::unacquired( &typeRef->pTypeName ) );
40 buf.append( '>' );
41}
42
43void appendChar( OUStringBuffer & buf, sal_Unicode c )
44{
45 if (c < ' ' || c > '~') {
46 buf.append( "\\X" );
47 OUString const s(
48 OUString::number( static_cast< sal_Int32 >(c), 16 ) );
49 for ( sal_Int32 f = 4 - s.getLength(); f > 0; --f )
50 buf.append( '0' );
51 buf.append( s );
52 }
53 else {
54 buf.append( c );
55 }
56}
57
58
59void appendValue( OUStringBuffer & buf,
60 void const * val, typelib_TypeDescriptionReference * typeRef,
61 bool prependType )
62{
63 if (typeRef->eTypeClass == typelib_TypeClass_VOID) {
64 buf.append( "void" );
65 return;
66 }
67 assert(val != nullptr);
68
69 if (prependType &&
70 typeRef->eTypeClass != typelib_TypeClass_STRING &&
71 typeRef->eTypeClass != typelib_TypeClass_CHAR &&
72 typeRef->eTypeClass != typelib_TypeClass_BOOLEAN)
73 {
74 buf.append( '(' );
75 buf.append( OUString::unacquired( &typeRef->pTypeName ) );
76 buf.append( ") " );
77 }
78
79 switch (typeRef->eTypeClass) {
80 case typelib_TypeClass_INTERFACE: {
81 buf.append( '@' );
82 buf.append( reinterpret_cast< sal_Int64 >(
83 *static_cast< void * const * >(val) ), 16 );
84 uno::Reference< lang::XServiceInfo > xServiceInfo(
85 *static_cast< uno::XInterface * const * >(val),
86 uno::UNO_QUERY );
87 if (xServiceInfo.is()) {
88 buf.append( " (ImplementationName = \"" );
89 buf.append( xServiceInfo->getImplementationName() );
90 buf.append( "\")" );
91 }
92 break;
93 }
94 case typelib_TypeClass_STRUCT:
95 case typelib_TypeClass_EXCEPTION: {
96 buf.append( "{ " );
97 TypeDescription typeDescr( typeRef );
98 if (!typeDescr.is())
99 typeDescr.makeComplete();
100 if (!typeDescr.is()) {
101 appendTypeError( buf, typeRef );
102 }
103 else {
104 typelib_CompoundTypeDescription * compType =
105 reinterpret_cast< typelib_CompoundTypeDescription * >(
106 typeDescr.get() );
107 sal_Int32 nDescr = compType->nMembers;
108
109 if (compType->pBaseTypeDescription) {
110 appendValue(
111 buf, val, reinterpret_cast<
112 typelib_TypeDescription * >(
113 compType->pBaseTypeDescription)->pWeakRef, false );
114 if (nDescr > 0)
115 buf.append( ", " );
116 }
117
118 typelib_TypeDescriptionReference ** ppTypeRefs =
119 compType->ppTypeRefs;
120 sal_Int32 * memberOffsets = compType->pMemberOffsets;
121 rtl_uString ** ppMemberNames = compType->ppMemberNames;
122
123 for ( sal_Int32 nPos = 0; nPos < nDescr; ++nPos )
124 {
125 buf.append( ppMemberNames[ nPos ] );
126 buf.append( " = " );
127 TypeDescriptionRef memberType( ppTypeRefs[ nPos ] );
128 if (!memberType.is()) {
129 appendTypeError( buf, ppTypeRefs[ nPos ] );
130 }
131 else {
132 appendValue( buf,
133 static_cast< char const * >(
134 val ) + memberOffsets[ nPos ],
135 memberType->pWeakRef, true );
136 }
137 if (nPos < (nDescr - 1))
138 buf.append( ", " );
139 }
140 }
141 buf.append( " }" );
142 break;
143 }
144 case typelib_TypeClass_SEQUENCE: {
145 TypeDescriptionRef typeDescr( typeRef );
146 if (!typeDescr.is()) {
147 appendTypeError( buf,typeRef );
148 }
149 else {
150 typelib_TypeDescriptionReference * elementTypeRef =
151 reinterpret_cast<
152 typelib_IndirectTypeDescription * >(typeDescr.get())->pType;
153 TypeDescriptionRef elementTypeDescr( elementTypeRef );
154 if (!elementTypeDescr.is())
155 {
156 appendTypeError( buf, elementTypeRef );
157 }
158 else
159 {
160 sal_Int32 nElementSize = elementTypeDescr->nSize;
161 uno_Sequence * seq =
162 *static_cast< uno_Sequence * const * >(val);
163 sal_Int32 nElements = seq->nElements;
164
165 if (nElements > 0)
166 {
167 buf.append( "{ " );
168 char const * pElements = seq->elements;
169 for ( sal_Int32 nPos = 0; nPos < nElements; ++nPos )
170 {
171 appendValue(
172 buf, pElements + (nElementSize * nPos),
173 elementTypeDescr->pWeakRef, false );
174 if (nPos < (nElements - 1))
175 buf.append( ", " );
176 }
177 buf.append( " }" );
178 }
179 else
180 {
181 buf.append( "{}" );
182 }
183 }
184 }
185 break;
186 }
187 case typelib_TypeClass_ANY: {
188 buf.append( "{ " );
189 uno_Any const * pAny = static_cast< uno_Any const * >(val);
190 appendValue( buf, pAny->pData, pAny->pType, true );
191 buf.append( " }" );
192 break;
193 }
194 case typelib_TypeClass_TYPE:
195 buf.append( (*static_cast<
196 typelib_TypeDescriptionReference * const * >(val)
197 )->pTypeName );
198 break;
199 case typelib_TypeClass_STRING: {
200 buf.append( '\"' );
201 OUString const & str = OUString::unacquired(
202 static_cast< rtl_uString * const * >(val) );
203 sal_Int32 len = str.getLength();
204 for ( sal_Int32 pos = 0; pos < len; ++pos )
205 {
206 sal_Unicode c = str[ pos ];
207 if (c == '\"')
208 buf.append( "\\\"" );
209 else if (c == '\\')
210 buf.append( "\\\\" );
211 else
212 appendChar( buf, c );
213 }
214 buf.append( '\"' );
215 break;
216 }
217 case typelib_TypeClass_ENUM: {
218 TypeDescription typeDescr( typeRef );
219 if (!typeDescr.is())
220 typeDescr.makeComplete();
221 if (!typeDescr.is()) {
222 appendTypeError( buf, typeRef );
223 }
224 else
225 {
226 sal_Int32 * pValues =
227 reinterpret_cast< typelib_EnumTypeDescription * >(
228 typeDescr.get() )->pEnumValues;
229 sal_Int32 nPos = reinterpret_cast< typelib_EnumTypeDescription * >(
230 typeDescr.get() )->nEnumValues;
231 while (nPos--)
232 {
233 if (pValues[ nPos ] == *static_cast< int const * >(val))
234 break;
235 }
236 if (nPos >= 0)
237 {
238 buf.append( reinterpret_cast< typelib_EnumTypeDescription * >(
239 typeDescr.get() )->ppEnumNames[ nPos ] );
240 }
241 else
242 {
243 buf.append( "?unknown enum value?" );
244 }
245 }
246 break;
247 }
248 case typelib_TypeClass_BOOLEAN:
249 if (*static_cast< sal_Bool const * >(val))
250 buf.append( "true" );
251 else
252 buf.append( "false" );
253 break;
254 case typelib_TypeClass_CHAR: {
255 buf.append( '\'' );
256 sal_Unicode c = *static_cast< sal_Unicode const * >(val);
257 if (c == '\'')
258 buf.append( "\\\'" );
259 else if (c == '\\')
260 buf.append( "\\\\" );
261 else
262 appendChar( buf, c );
263 buf.append( '\'' );
264 break;
265 }
266 case typelib_TypeClass_FLOAT:
267 buf.append( *static_cast< float const * >(val) );
268 break;
269 case typelib_TypeClass_DOUBLE:
270 buf.append( *static_cast< double const * >(val) );
271 break;
272 case typelib_TypeClass_BYTE:
273 buf.append( static_cast< sal_Int32 >(
274 *static_cast< sal_Int8 const * >(val) ) );
275 break;
276 case typelib_TypeClass_SHORT:
277 buf.append( static_cast< sal_Int32 >(
278 *static_cast< sal_Int16 const * >(val) ) );
279 break;
280 case typelib_TypeClass_UNSIGNED_SHORT:
281 buf.append( static_cast< sal_Int32 >(
282 *static_cast< sal_uInt16 const * >(val) ) );
283 break;
284 case typelib_TypeClass_LONG:
285 buf.append( *static_cast< sal_Int32 const * >(val) );
286 break;
287 case typelib_TypeClass_UNSIGNED_LONG:
288 buf.append( static_cast< sal_Int64 >(
289 *static_cast< sal_uInt32 const * >(val) ) );
290 break;
291 case typelib_TypeClass_HYPER:
292 case typelib_TypeClass_UNSIGNED_HYPER:
293 buf.append( *static_cast< sal_Int64 const * >(val) );
294 break;
295// case typelib_TypeClass_UNKNOWN:
296// case typelib_TypeClass_SERVICE:
297// case typelib_TypeClass_MODULE:
298 default:
299 buf.append( '?' );
300 break;
301 }
302}
303
304} // anon namespace
305
306
307OUString anyToString( uno::Any const & value )
308{
309 OUStringBuffer buf;
310 appendValue( buf, value.getValue(), value.getValueTypeRef(), true );
311 return buf.makeStringAndClear();
312}
313
314} // namespace comphelper
315
316/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
pValues
const PropertyValue * pValues
value
Any value
nElements
sal_Int32 nElements
nPos
sal_uInt16 nPos
typelib_TypeDescription
struct _typelib_TypeDescription typelib_TypeDescription
uno_Any
struct _uno_Any uno_Any
comphelper::anyToString
OUString anyToString(uno::Any const &value)
Definition: anytostring.cxx:307
sal_Bool
unsigned char sal_Bool
sal_Unicode
sal_uInt16 sal_Unicode
sal_Int8
signed char sal_Int8
pos
size_t pos
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