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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 : #include "sal/config.h"
21 :
22 : #include <cassert>
23 : #include <vector>
24 :
25 : #include "com/sun/star/uno/Reference.hxx"
26 : #include "com/sun/star/uno/RuntimeException.hpp"
27 : #include "com/sun/star/uno/Sequence.hxx"
28 : #include "com/sun/star/uno/XInterface.hpp"
29 : #include "cppu/unotype.hxx"
30 : #include "rtl/byteseq.hxx"
31 : #include "rtl/string.hxx"
32 : #include "rtl/textcvt.h"
33 : #include "rtl/textenc.h"
34 : #include "rtl/ustring.h"
35 : #include "rtl/ustring.hxx"
36 : #include "sal/types.h"
37 : #include "typelib/typeclass.h"
38 : #include "typelib/typedescription.h"
39 : #include "typelib/typedescription.hxx"
40 : #include "uno/dispatcher.hxx"
41 :
42 : #include "binaryany.hxx"
43 : #include "bridge.hxx"
44 : #include "cache.hxx"
45 : #include "lessoperators.hxx"
46 : #include "marshal.hxx"
47 :
48 : namespace binaryurp {
49 :
50 : namespace {
51 :
52 1739 : void write64(std::vector< unsigned char > * buffer, sal_uInt64 value) {
53 1739 : Marshal::write8(buffer, value >> 56);
54 1739 : Marshal::write8(buffer, (value >> 48) & 0xFF);
55 1739 : Marshal::write8(buffer, (value >> 40) & 0xFF);
56 1739 : Marshal::write8(buffer, (value >> 32) & 0xFF);
57 1739 : Marshal::write8(buffer, (value >> 24) & 0xFF);
58 1739 : Marshal::write8(buffer, (value >> 16) & 0xFF);
59 1739 : Marshal::write8(buffer, (value >> 8) & 0xFF);
60 1739 : Marshal::write8(buffer, value & 0xFF);
61 1739 : }
62 :
63 144274 : void writeCompressed(std::vector< unsigned char > * buffer, sal_uInt32 value) {
64 144274 : if (value < 0xFF) {
65 144242 : Marshal::write8(buffer, static_cast< sal_uInt8 >(value));
66 : } else {
67 32 : Marshal::write8(buffer, 0xFF);
68 32 : Marshal::write32(buffer, value);
69 : }
70 144274 : }
71 :
72 134128 : void writeString(
73 : std::vector< unsigned char > * buffer, OUString const & value)
74 : {
75 : assert(buffer != 0);
76 134128 : OString v;
77 134128 : if (!value.convertToString(
78 : &v, RTL_TEXTENCODING_UTF8,
79 : (RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR |
80 134128 : RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR)))
81 : {
82 : throw css::uno::RuntimeException(
83 0 : "UNO string contains invalid UTF-16 sequence");
84 : }
85 134128 : writeCompressed(buffer, static_cast< sal_uInt32 >(v.getLength()));
86 134128 : buffer->insert(buffer->end(), v.getStr(), v.getStr() + v.getLength());
87 134128 : }
88 :
89 : }
90 :
91 66 : Marshal::Marshal(rtl::Reference< Bridge > const & bridge, WriterState & state):
92 66 : bridge_(bridge), state_(state)
93 : {
94 : assert(bridge.is());
95 66 : }
96 :
97 66 : Marshal::~Marshal() {}
98 :
99 3260085 : void Marshal::write8(std::vector< unsigned char > * buffer, sal_uInt8 value) {
100 : assert(buffer != 0);
101 3260085 : buffer->push_back(value);
102 3260085 : }
103 :
104 237818 : void Marshal::write16(std::vector< unsigned char > * buffer, sal_uInt16 value) {
105 237818 : write8(buffer, value >> 8);
106 237818 : write8(buffer, value & 0xFF);
107 237818 : }
108 :
109 529270 : void Marshal::write32(std::vector< unsigned char > * buffer, sal_uInt32 value) {
110 529270 : write8(buffer, value >> 24);
111 529270 : write8(buffer, (value >> 16) & 0xFF);
112 529270 : write8(buffer, (value >> 8) & 0xFF);
113 529270 : write8(buffer, value & 0xFF);
114 529270 : }
115 :
116 220449 : void Marshal::writeValue(
117 : std::vector< unsigned char > * buffer,
118 : css::uno::TypeDescription const & type, BinaryAny const & value)
119 : {
120 : assert(
121 : type.is() &&
122 : (type.get()->eTypeClass == typelib_TypeClass_ANY ||
123 : value.getType().equals(type)));
124 220449 : writeValue(buffer, type, value.getValue(type));
125 220449 : }
126 :
127 153234 : void Marshal::writeType(
128 : std::vector< unsigned char > * buffer,
129 : css::uno::TypeDescription const & value)
130 : {
131 153234 : value.makeComplete();
132 : assert(value.is());
133 153234 : typelib_TypeClass tc = value.get()->eTypeClass;
134 153234 : if (tc <= typelib_TypeClass_ANY) {
135 108060 : write8(buffer, static_cast< sal_uInt8 >(tc));
136 : } else {
137 : bool found;
138 45174 : sal_uInt16 idx = state_.typeCache.add(value, &found);
139 45174 : if (found) {
140 42794 : write8(buffer, static_cast< sal_uInt8 >(tc));
141 42794 : write16(buffer, idx);
142 : } else {
143 2380 : write8(buffer, static_cast< sal_uInt8 >(tc) | 0x80);
144 2380 : write16(buffer, idx);
145 2380 : writeString(buffer, OUString(value.get()->pTypeName));
146 : }
147 : }
148 153234 : }
149 :
150 88746 : void Marshal::writeOid(
151 : std::vector< unsigned char > * buffer, OUString const & oid)
152 : {
153 : bool found;
154 : sal_uInt16 idx;
155 88746 : if ( oid.isEmpty() ) {
156 8508 : found = true;
157 8508 : idx = cache::ignore;
158 : } else {
159 80238 : idx = state_.oidCache.add(oid, &found);
160 : }
161 88746 : if (found) {
162 51699 : write8(buffer, 0);
163 : } else {
164 37047 : writeString(buffer, oid);
165 : }
166 88746 : write16(buffer, idx);
167 88746 : }
168 :
169 11126 : void Marshal::writeTid(
170 : std::vector< unsigned char > * buffer, rtl::ByteSequence const & tid)
171 : {
172 : bool found;
173 11126 : sal_uInt16 idx = state_.tidCache.add(tid, &found);
174 11126 : if (found) {
175 10870 : write8(buffer, 0);
176 : } else {
177 256 : sal_Sequence * p = tid.getHandle();
178 : writeValue(
179 : buffer,
180 : css::uno::TypeDescription(
181 256 : cppu::UnoType< css::uno::Sequence< sal_Int8 > >::get()), &p);
182 : }
183 11126 : write16(buffer, idx);
184 11126 : }
185 :
186 675268 : void Marshal::writeValue(
187 : std::vector< unsigned char > * buffer,
188 : css::uno::TypeDescription const & type, void const * value)
189 : {
190 : assert(buffer != 0 && type.is());
191 675268 : type.makeComplete();
192 675268 : switch (type.get()->eTypeClass) {
193 : case typelib_TypeClass_VOID:
194 36239 : break;
195 : case typelib_TypeClass_BOOLEAN:
196 : assert(*static_cast< sal_uInt8 const * >(value) <= 1);
197 : // fall through
198 : case typelib_TypeClass_BYTE:
199 68350 : write8(buffer, *static_cast< sal_uInt8 const * >(value));
200 68350 : break;
201 : case typelib_TypeClass_SHORT:
202 : case typelib_TypeClass_UNSIGNED_SHORT:
203 : case typelib_TypeClass_CHAR:
204 92772 : write16(buffer, *static_cast< sal_uInt16 const * >(value));
205 92772 : break;
206 : case typelib_TypeClass_LONG:
207 : case typelib_TypeClass_UNSIGNED_LONG:
208 : case typelib_TypeClass_FLOAT:
209 : case typelib_TypeClass_ENUM:
210 90410 : write32(buffer, *static_cast< sal_uInt32 const * >(value));
211 90410 : break;
212 : case typelib_TypeClass_HYPER:
213 : case typelib_TypeClass_UNSIGNED_HYPER:
214 : case typelib_TypeClass_DOUBLE:
215 1739 : write64(buffer, *static_cast< sal_uInt64 const * >(value));
216 1739 : break;
217 : case typelib_TypeClass_STRING:
218 : writeString(
219 : buffer,
220 94701 : OUString(*static_cast< rtl_uString * const * >(value)));
221 94701 : break;
222 : case typelib_TypeClass_TYPE:
223 : writeType(
224 : buffer,
225 : css::uno::TypeDescription(
226 : *static_cast< typelib_TypeDescriptionReference * const * >(
227 19158 : value)));
228 19158 : break;
229 : case typelib_TypeClass_ANY:
230 : {
231 132166 : uno_Any const * p = static_cast< uno_Any const * >(value);
232 132166 : css::uno::TypeDescription t(p->pType);
233 132166 : writeType(buffer, t);
234 132166 : writeValue(buffer, t, p->pData);
235 132166 : break;
236 : }
237 : case typelib_TypeClass_SEQUENCE:
238 : {
239 10146 : sal_Sequence * p = *static_cast< sal_Sequence * const * >(value);
240 10146 : writeCompressed(buffer, static_cast< sal_uInt32 >(p->nElements));
241 : css::uno::TypeDescription ctd(
242 : reinterpret_cast< typelib_IndirectTypeDescription * >(
243 10146 : type.get())->
244 10146 : pType);
245 : assert(ctd.is());
246 10146 : if (ctd.get()->eTypeClass == typelib_TypeClass_BYTE) {
247 : buffer->insert(
248 365 : buffer->end(), p->elements, p->elements + p->nElements);
249 : } else {
250 108589 : for (sal_Int32 i = 0; i != p->nElements; ++i) {
251 98808 : writeValue(buffer, ctd, p->elements + i * ctd.get()->nSize);
252 : }
253 : }
254 10146 : break;
255 : }
256 : case typelib_TypeClass_STRUCT:
257 : case typelib_TypeClass_EXCEPTION:
258 43163 : writeMemberValues(buffer, type, value);
259 43163 : break;
260 : case typelib_TypeClass_INTERFACE:
261 : writeOid(
262 : buffer,
263 : bridge_->registerOutgoingInterface(
264 : css::uno::UnoInterfaceReference(
265 : *static_cast< uno_Interface * const * >(value)),
266 86424 : type));
267 86424 : break;
268 : default:
269 : assert(false); // this cannot happen
270 0 : break;
271 : }
272 675268 : }
273 :
274 50225 : void Marshal::writeMemberValues(
275 : std::vector< unsigned char > * buffer,
276 : css::uno::TypeDescription const & type, void const * aggregateValue)
277 : {
278 : assert(
279 : type.is() &&
280 : (type.get()->eTypeClass == typelib_TypeClass_STRUCT ||
281 : type.get()->eTypeClass == typelib_TypeClass_EXCEPTION) &&
282 : aggregateValue != 0);
283 50225 : type.makeComplete();
284 : typelib_CompoundTypeDescription * ctd =
285 50225 : reinterpret_cast< typelib_CompoundTypeDescription * >(type.get());
286 50225 : if (ctd->pBaseTypeDescription != 0) {
287 : writeMemberValues(
288 : buffer,
289 : css::uno::TypeDescription(&ctd->pBaseTypeDescription->aBase),
290 7062 : aggregateValue);
291 : }
292 273814 : for (sal_Int32 i = 0; i != ctd->nMembers; ++i) {
293 : writeValue(
294 223589 : buffer, css::uno::TypeDescription(ctd->ppTypeRefs[i]),
295 223589 : (static_cast< char const * >(aggregateValue) +
296 447178 : ctd->pMemberOffsets[i]));
297 : }
298 50225 : }
299 :
300 : }
301 :
302 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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