| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #include "sal/config.h" |
| |
| #include <vector> |
| |
| #include "boost/noncopyable.hpp" |
| #include "com/sun/star/uno/Reference.hxx" |
| #include "com/sun/star/uno/RuntimeException.hpp" |
| #include "com/sun/star/uno/Sequence.hxx" |
| #include "com/sun/star/uno/XInterface.hpp" |
| #include "cppu/unotype.hxx" |
| #include "osl/diagnose.h" |
| #include "rtl/byteseq.hxx" |
| #include "rtl/string.hxx" |
| #include "rtl/textcvt.h" |
| #include "rtl/textenc.h" |
| #include "rtl/ustring.h" |
| #include "rtl/ustring.hxx" |
| #include "sal/types.h" |
| #include "typelib/typeclass.h" |
| #include "typelib/typedescription.h" |
| #include "typelib/typedescription.hxx" |
| #include "uno/dispatcher.hxx" |
| |
| #include "binaryany.hxx" |
| #include "bridge.hxx" |
| #include "cache.hxx" |
| #include "lessoperators.hxx" |
| #include "marshal.hxx" |
| |
| namespace binaryurp { |
| |
| namespace { |
| |
| namespace css = com::sun::star; |
| |
| void write64(std::vector< unsigned char > * buffer, sal_uInt64 value) { |
| Marshal::write8(buffer, value >> 56); |
| Marshal::write8(buffer, (value >> 48) & 0xFF); |
| Marshal::write8(buffer, (value >> 40) & 0xFF); |
| Marshal::write8(buffer, (value >> 32) & 0xFF); |
| Marshal::write8(buffer, (value >> 24) & 0xFF); |
| Marshal::write8(buffer, (value >> 16) & 0xFF); |
| Marshal::write8(buffer, (value >> 8) & 0xFF); |
| Marshal::write8(buffer, value & 0xFF); |
| } |
| |
| void writeCompressed(std::vector< unsigned char > * buffer, sal_uInt32 value) { |
| if (value < 0xFF) { |
| Marshal::write8(buffer, static_cast< sal_uInt8 >(value)); |
| } else { |
| Marshal::write8(buffer, 0xFF); |
| Marshal::write32(buffer, value); |
| } |
| } |
| |
| void writeString( |
| std::vector< unsigned char > * buffer, rtl::OUString const & value) |
| { |
| OSL_ASSERT(buffer != 0); |
| rtl::OString v; |
| if (!value.convertToString( |
| &v, RTL_TEXTENCODING_UTF8, |
| (RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR | |
| RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR))) |
| { |
| throw css::uno::RuntimeException( |
| rtl::OUString( |
| RTL_CONSTASCII_USTRINGPARAM( |
| "UNO string contains invalid UTF-16 sequence")), |
| css::uno::Reference< css::uno::XInterface >()); |
| } |
| writeCompressed(buffer, static_cast< sal_uInt32 >(v.getLength())); |
| buffer->insert(buffer->end(), v.getStr(), v.getStr() + v.getLength()); |
| } |
| |
| } |
| |
| Marshal::Marshal(rtl::Reference< Bridge > const & bridge, WriterState & state): |
| bridge_(bridge), state_(state) |
| { |
| OSL_ASSERT(bridge.is()); |
| } |
| |
| Marshal::~Marshal() {} |
| |
| void Marshal::write8(std::vector< unsigned char > * buffer, sal_uInt8 value) { |
| OSL_ASSERT(buffer != 0); |
| buffer->push_back(value); |
| } |
| |
| void Marshal::write16(std::vector< unsigned char > * buffer, sal_uInt16 value) { |
| write8(buffer, value >> 8); |
| write8(buffer, value & 0xFF); |
| } |
| |
| void Marshal::write32(std::vector< unsigned char > * buffer, sal_uInt32 value) { |
| write8(buffer, value >> 24); |
| write8(buffer, (value >> 16) & 0xFF); |
| write8(buffer, (value >> 8) & 0xFF); |
| write8(buffer, value & 0xFF); |
| } |
| |
| void Marshal::writeValue( |
| std::vector< unsigned char > * buffer, |
| css::uno::TypeDescription const & type, BinaryAny const & value) |
| { |
| OSL_ASSERT( |
| type.is() && |
| (type.get()->eTypeClass == typelib_TypeClass_ANY || |
| value.getType().equals(type))); |
| writeValue(buffer, type, value.getValue(type)); |
| } |
| |
| void Marshal::writeType( |
| std::vector< unsigned char > * buffer, |
| css::uno::TypeDescription const & value) |
| { |
| value.makeComplete(); |
| OSL_ASSERT(value.is()); |
| typelib_TypeClass tc = value.get()->eTypeClass; |
| if (tc <= typelib_TypeClass_ANY) { |
| write8(buffer, static_cast< sal_uInt8 >(tc)); |
| } else { |
| bool found; |
| sal_uInt16 idx = state_.typeCache.add(value, &found); |
| if (found) { |
| write8(buffer, static_cast< sal_uInt8 >(tc)); |
| write16(buffer, idx); |
| } else { |
| write8(buffer, static_cast< sal_uInt8 >(tc) | 0x80); |
| write16(buffer, idx); |
| writeString(buffer, rtl::OUString(value.get()->pTypeName)); |
| } |
| } |
| } |
| |
| void Marshal::writeOid( |
| std::vector< unsigned char > * buffer, rtl::OUString const & oid) |
| { |
| bool found; |
| sal_uInt16 idx; |
| if ( oid.isEmpty() ) { |
| found = true; |
| idx = cache::ignore; |
| } else { |
| idx = state_.oidCache.add(oid, &found); |
| } |
| if (found) { |
| write8(buffer, 0); |
| } else { |
| writeString(buffer, oid); |
| } |
| write16(buffer, idx); |
| } |
| |
| void Marshal::writeTid( |
| std::vector< unsigned char > * buffer, rtl::ByteSequence const & tid) |
| { |
| bool found; |
| sal_uInt16 idx = state_.tidCache.add(tid, &found); |
| if (found) { |
| write8(buffer, 0); |
| } else { |
| sal_Sequence * p = tid.getHandle(); |
| writeValue( |
| buffer, |
| css::uno::TypeDescription( |
| cppu::UnoType< css::uno::Sequence< sal_Int8 > >::get()), &p); |
| } |
| write16(buffer, idx); |
| } |
| |
| void Marshal::writeValue( |
| std::vector< unsigned char > * buffer, |
| css::uno::TypeDescription const & type, void const * value) |
| { |
| OSL_ASSERT(buffer != 0 && type.is()); |
| type.makeComplete(); |
| switch (type.get()->eTypeClass) { |
| case typelib_TypeClass_VOID: |
| break; |
| case typelib_TypeClass_BOOLEAN: |
| OSL_ASSERT(*static_cast< sal_uInt8 const * >(value) <= 1); |
| // fall through |
| case typelib_TypeClass_BYTE: |
| write8(buffer, *static_cast< sal_uInt8 const * >(value)); |
| break; |
| case typelib_TypeClass_SHORT: |
| case typelib_TypeClass_UNSIGNED_SHORT: |
| case typelib_TypeClass_CHAR: |
| write16(buffer, *static_cast< sal_uInt16 const * >(value)); |
| break; |
| case typelib_TypeClass_LONG: |
| case typelib_TypeClass_UNSIGNED_LONG: |
| case typelib_TypeClass_FLOAT: |
| case typelib_TypeClass_ENUM: |
| write32(buffer, *static_cast< sal_uInt32 const * >(value)); |
| break; |
| case typelib_TypeClass_HYPER: |
| case typelib_TypeClass_UNSIGNED_HYPER: |
| case typelib_TypeClass_DOUBLE: |
| write64(buffer, *static_cast< sal_uInt64 const * >(value)); |
| break; |
| case typelib_TypeClass_STRING: |
| writeString( |
| buffer, |
| rtl::OUString(*static_cast< rtl_uString * const * >(value))); |
| break; |
| case typelib_TypeClass_TYPE: |
| writeType( |
| buffer, |
| css::uno::TypeDescription( |
| *static_cast< typelib_TypeDescriptionReference * const * >( |
| value))); |
| break; |
| case typelib_TypeClass_ANY: |
| { |
| uno_Any const * p = static_cast< uno_Any const * >(value); |
| css::uno::TypeDescription t(p->pType); |
| writeType(buffer, t); |
| writeValue(buffer, t, p->pData); |
| break; |
| } |
| case typelib_TypeClass_SEQUENCE: |
| { |
| sal_Sequence * p = *static_cast< sal_Sequence * const * >(value); |
| writeCompressed(buffer, static_cast< sal_uInt32 >(p->nElements)); |
| css::uno::TypeDescription ctd( |
| reinterpret_cast< typelib_IndirectTypeDescription * >( |
| type.get())-> |
| pType); |
| OSL_ASSERT(ctd.is()); |
| if (ctd.get()->eTypeClass == typelib_TypeClass_BYTE) { |
| buffer->insert( |
| buffer->end(), p->elements, p->elements + p->nElements); |
| } else { |
| for (sal_Int32 i = 0; i != p->nElements; ++i) { |
| writeValue(buffer, ctd, p->elements + i * ctd.get()->nSize); |
| } |
| } |
| break; |
| } |
| case typelib_TypeClass_STRUCT: |
| case typelib_TypeClass_EXCEPTION: |
| writeMemberValues(buffer, type, value); |
| break; |
| case typelib_TypeClass_INTERFACE: |
| writeOid( |
| buffer, |
| bridge_->registerOutgoingInterface( |
| css::uno::UnoInterfaceReference( |
| *static_cast< uno_Interface * const * >(value)), |
| type)); |
| break; |
| default: |
| OSL_ASSERT(false); // this cannot happen |
| break; |
| } |
| } |
| |
| void Marshal::writeMemberValues( |
| std::vector< unsigned char > * buffer, |
| css::uno::TypeDescription const & type, void const * aggregateValue) |
| { |
| OSL_ASSERT( |
| type.is() && |
| (type.get()->eTypeClass == typelib_TypeClass_STRUCT || |
| type.get()->eTypeClass == typelib_TypeClass_EXCEPTION) && |
| aggregateValue != 0); |
| type.makeComplete(); |
| typelib_CompoundTypeDescription * ctd = |
| reinterpret_cast< typelib_CompoundTypeDescription * >(type.get()); |
| if (ctd->pBaseTypeDescription != 0) { |
| writeMemberValues( |
| buffer, |
| css::uno::TypeDescription(&ctd->pBaseTypeDescription->aBase), |
| aggregateValue); |
| } |
| for (sal_Int32 i = 0; i != ctd->nMembers; ++i) { |
| writeValue( |
| buffer, css::uno::TypeDescription(ctd->ppTypeRefs[i]), |
| (static_cast< char const * >(aggregateValue) + |
| ctd->pMemberOffsets[i])); |
| } |
| } |
| |
| } |
