LCOV - code coverage report
Current view: top level - binaryurp/source - marshal.cxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 0 121 0.0 %
Date: 2014-04-14 Functions: 0 14 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       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 "boost/noncopyable.hpp"
      26             : #include "com/sun/star/uno/Reference.hxx"
      27             : #include "com/sun/star/uno/RuntimeException.hpp"
      28             : #include "com/sun/star/uno/Sequence.hxx"
      29             : #include "com/sun/star/uno/XInterface.hpp"
      30             : #include "cppu/unotype.hxx"
      31             : #include "rtl/byteseq.hxx"
      32             : #include "rtl/string.hxx"
      33             : #include "rtl/textcvt.h"
      34             : #include "rtl/textenc.h"
      35             : #include "rtl/ustring.h"
      36             : #include "rtl/ustring.hxx"
      37             : #include "sal/types.h"
      38             : #include "typelib/typeclass.h"
      39             : #include "typelib/typedescription.h"
      40             : #include "typelib/typedescription.hxx"
      41             : #include "uno/dispatcher.hxx"
      42             : 
      43             : #include "binaryany.hxx"
      44             : #include "bridge.hxx"
      45             : #include "cache.hxx"
      46             : #include "lessoperators.hxx"
      47             : #include "marshal.hxx"
      48             : 
      49             : namespace binaryurp {
      50             : 
      51             : namespace {
      52             : 
      53           0 : void write64(std::vector< unsigned char > * buffer, sal_uInt64 value) {
      54           0 :     Marshal::write8(buffer, value >> 56);
      55           0 :     Marshal::write8(buffer, (value >> 48) & 0xFF);
      56           0 :     Marshal::write8(buffer, (value >> 40) & 0xFF);
      57           0 :     Marshal::write8(buffer, (value >> 32) & 0xFF);
      58           0 :     Marshal::write8(buffer, (value >> 24) & 0xFF);
      59           0 :     Marshal::write8(buffer, (value >> 16) & 0xFF);
      60           0 :     Marshal::write8(buffer, (value >> 8) & 0xFF);
      61           0 :     Marshal::write8(buffer, value & 0xFF);
      62           0 : }
      63             : 
      64           0 : void writeCompressed(std::vector< unsigned char > * buffer, sal_uInt32 value) {
      65           0 :     if (value < 0xFF) {
      66           0 :         Marshal::write8(buffer, static_cast< sal_uInt8 >(value));
      67             :     } else {
      68           0 :         Marshal::write8(buffer, 0xFF);
      69           0 :         Marshal::write32(buffer, value);
      70             :     }
      71           0 : }
      72             : 
      73           0 : void writeString(
      74             :     std::vector< unsigned char > * buffer, OUString const & value)
      75             : {
      76             :     assert(buffer != 0);
      77           0 :     OString v;
      78           0 :     if (!value.convertToString(
      79             :             &v, RTL_TEXTENCODING_UTF8,
      80             :             (RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR |
      81           0 :              RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR)))
      82             :     {
      83             :         throw css::uno::RuntimeException(
      84             :             "UNO string contains invalid UTF-16 sequence",
      85           0 :             css::uno::Reference< css::uno::XInterface >());
      86             :     }
      87           0 :     writeCompressed(buffer, static_cast< sal_uInt32 >(v.getLength()));
      88           0 :     buffer->insert(buffer->end(), v.getStr(), v.getStr() + v.getLength());
      89           0 : }
      90             : 
      91             : }
      92             : 
      93           0 : Marshal::Marshal(rtl::Reference< Bridge > const & bridge, WriterState & state):
      94           0 :     bridge_(bridge), state_(state)
      95             : {
      96             :     assert(bridge.is());
      97           0 : }
      98             : 
      99           0 : Marshal::~Marshal() {}
     100             : 
     101           0 : void Marshal::write8(std::vector< unsigned char > * buffer, sal_uInt8 value) {
     102             :     assert(buffer != 0);
     103           0 :     buffer->push_back(value);
     104           0 : }
     105             : 
     106           0 : void Marshal::write16(std::vector< unsigned char > * buffer, sal_uInt16 value) {
     107           0 :     write8(buffer, value >> 8);
     108           0 :     write8(buffer, value & 0xFF);
     109           0 : }
     110             : 
     111           0 : void Marshal::write32(std::vector< unsigned char > * buffer, sal_uInt32 value) {
     112           0 :     write8(buffer, value >> 24);
     113           0 :     write8(buffer, (value >> 16) & 0xFF);
     114           0 :     write8(buffer, (value >> 8) & 0xFF);
     115           0 :     write8(buffer, value & 0xFF);
     116           0 : }
     117             : 
     118           0 : void Marshal::writeValue(
     119             :     std::vector< unsigned char > * buffer,
     120             :     css::uno::TypeDescription const & type, BinaryAny const & value)
     121             : {
     122             :     assert(
     123             :         type.is() &&
     124             :         (type.get()->eTypeClass == typelib_TypeClass_ANY ||
     125             :          value.getType().equals(type)));
     126           0 :     writeValue(buffer, type, value.getValue(type));
     127           0 : }
     128             : 
     129           0 : void Marshal::writeType(
     130             :     std::vector< unsigned char > * buffer,
     131             :     css::uno::TypeDescription const & value)
     132             : {
     133           0 :     value.makeComplete();
     134             :     assert(value.is());
     135           0 :     typelib_TypeClass tc = value.get()->eTypeClass;
     136           0 :     if (tc <= typelib_TypeClass_ANY) {
     137           0 :         write8(buffer, static_cast< sal_uInt8 >(tc));
     138             :     } else {
     139             :         bool found;
     140           0 :         sal_uInt16 idx = state_.typeCache.add(value, &found);
     141           0 :         if (found) {
     142           0 :             write8(buffer, static_cast< sal_uInt8 >(tc));
     143           0 :             write16(buffer, idx);
     144             :         } else {
     145           0 :             write8(buffer, static_cast< sal_uInt8 >(tc) | 0x80);
     146           0 :             write16(buffer, idx);
     147           0 :             writeString(buffer, OUString(value.get()->pTypeName));
     148             :         }
     149             :     }
     150           0 : }
     151             : 
     152           0 : void Marshal::writeOid(
     153             :     std::vector< unsigned char > * buffer, OUString const & oid)
     154             : {
     155             :     bool found;
     156             :     sal_uInt16 idx;
     157           0 :     if ( oid.isEmpty() ) {
     158           0 :         found = true;
     159           0 :         idx = cache::ignore;
     160             :     } else {
     161           0 :         idx = state_.oidCache.add(oid, &found);
     162             :     }
     163           0 :     if (found) {
     164           0 :         write8(buffer, 0);
     165             :     } else {
     166           0 :         writeString(buffer, oid);
     167             :     }
     168           0 :     write16(buffer, idx);
     169           0 : }
     170             : 
     171           0 : void Marshal::writeTid(
     172             :     std::vector< unsigned char > * buffer, rtl::ByteSequence const & tid)
     173             : {
     174             :     bool found;
     175           0 :     sal_uInt16 idx = state_.tidCache.add(tid, &found);
     176           0 :     if (found) {
     177           0 :         write8(buffer, 0);
     178             :     } else {
     179           0 :         sal_Sequence * p = tid.getHandle();
     180             :         writeValue(
     181             :             buffer,
     182             :             css::uno::TypeDescription(
     183           0 :                 cppu::UnoType< css::uno::Sequence< sal_Int8 > >::get()), &p);
     184             :     }
     185           0 :     write16(buffer, idx);
     186           0 : }
     187             : 
     188           0 : void Marshal::writeValue(
     189             :     std::vector< unsigned char > * buffer,
     190             :     css::uno::TypeDescription const & type, void const * value)
     191             : {
     192             :     assert(buffer != 0 && type.is());
     193           0 :     type.makeComplete();
     194           0 :     switch (type.get()->eTypeClass) {
     195             :     case typelib_TypeClass_VOID:
     196           0 :         break;
     197             :     case typelib_TypeClass_BOOLEAN:
     198             :         assert(*static_cast< sal_uInt8 const * >(value) <= 1);
     199             :         // fall through
     200             :     case typelib_TypeClass_BYTE:
     201           0 :         write8(buffer, *static_cast< sal_uInt8 const * >(value));
     202           0 :         break;
     203             :     case typelib_TypeClass_SHORT:
     204             :     case typelib_TypeClass_UNSIGNED_SHORT:
     205             :     case typelib_TypeClass_CHAR:
     206           0 :         write16(buffer, *static_cast< sal_uInt16 const * >(value));
     207           0 :         break;
     208             :     case typelib_TypeClass_LONG:
     209             :     case typelib_TypeClass_UNSIGNED_LONG:
     210             :     case typelib_TypeClass_FLOAT:
     211             :     case typelib_TypeClass_ENUM:
     212           0 :         write32(buffer, *static_cast< sal_uInt32 const * >(value));
     213           0 :         break;
     214             :     case typelib_TypeClass_HYPER:
     215             :     case typelib_TypeClass_UNSIGNED_HYPER:
     216             :     case typelib_TypeClass_DOUBLE:
     217           0 :         write64(buffer, *static_cast< sal_uInt64 const * >(value));
     218           0 :         break;
     219             :     case typelib_TypeClass_STRING:
     220             :         writeString(
     221             :             buffer,
     222           0 :             OUString(*static_cast< rtl_uString * const * >(value)));
     223           0 :         break;
     224             :     case typelib_TypeClass_TYPE:
     225             :         writeType(
     226             :             buffer,
     227             :             css::uno::TypeDescription(
     228             :                 *static_cast< typelib_TypeDescriptionReference * const * >(
     229           0 :                     value)));
     230           0 :         break;
     231             :     case typelib_TypeClass_ANY:
     232             :         {
     233           0 :             uno_Any const * p = static_cast< uno_Any const * >(value);
     234           0 :             css::uno::TypeDescription t(p->pType);
     235           0 :             writeType(buffer, t);
     236           0 :             writeValue(buffer, t, p->pData);
     237           0 :             break;
     238             :         }
     239             :     case typelib_TypeClass_SEQUENCE:
     240             :         {
     241           0 :             sal_Sequence * p = *static_cast< sal_Sequence * const * >(value);
     242           0 :             writeCompressed(buffer, static_cast< sal_uInt32 >(p->nElements));
     243             :             css::uno::TypeDescription ctd(
     244             :                 reinterpret_cast< typelib_IndirectTypeDescription * >(
     245           0 :                     type.get())->
     246           0 :                 pType);
     247             :             assert(ctd.is());
     248           0 :             if (ctd.get()->eTypeClass == typelib_TypeClass_BYTE) {
     249             :                 buffer->insert(
     250           0 :                     buffer->end(), p->elements, p->elements + p->nElements);
     251             :             } else {
     252           0 :                 for (sal_Int32 i = 0; i != p->nElements; ++i) {
     253           0 :                     writeValue(buffer, ctd, p->elements + i * ctd.get()->nSize);
     254             :                 }
     255             :             }
     256           0 :             break;
     257             :         }
     258             :     case typelib_TypeClass_STRUCT:
     259             :     case typelib_TypeClass_EXCEPTION:
     260           0 :         writeMemberValues(buffer, type, value);
     261           0 :         break;
     262             :     case typelib_TypeClass_INTERFACE:
     263             :         writeOid(
     264             :             buffer,
     265             :             bridge_->registerOutgoingInterface(
     266             :                 css::uno::UnoInterfaceReference(
     267             :                     *static_cast< uno_Interface * const * >(value)),
     268           0 :                 type));
     269           0 :         break;
     270             :     default:
     271             :         assert(false); // this cannot happen
     272           0 :         break;
     273             :     }
     274           0 : }
     275             : 
     276           0 : void Marshal::writeMemberValues(
     277             :     std::vector< unsigned char > * buffer,
     278             :     css::uno::TypeDescription const & type, void const * aggregateValue)
     279             : {
     280             :     assert(
     281             :         type.is() &&
     282             :         (type.get()->eTypeClass == typelib_TypeClass_STRUCT ||
     283             :          type.get()->eTypeClass == typelib_TypeClass_EXCEPTION) &&
     284             :         aggregateValue != 0);
     285           0 :     type.makeComplete();
     286             :     typelib_CompoundTypeDescription * ctd =
     287           0 :         reinterpret_cast< typelib_CompoundTypeDescription * >(type.get());
     288           0 :     if (ctd->pBaseTypeDescription != 0) {
     289             :         writeMemberValues(
     290             :             buffer,
     291             :             css::uno::TypeDescription(&ctd->pBaseTypeDescription->aBase),
     292           0 :             aggregateValue);
     293             :     }
     294           0 :     for (sal_Int32 i = 0; i != ctd->nMembers; ++i) {
     295             :         writeValue(
     296           0 :             buffer, css::uno::TypeDescription(ctd->ppTypeRefs[i]),
     297           0 :             (static_cast< char const * >(aggregateValue) +
     298           0 :              ctd->pMemberOffsets[i]));
     299             :     }
     300           0 : }
     301             : 
     302             : }
     303             : 
     304             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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