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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * 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 .
+ */
+
+#include <string.h>
+#include <unordered_map>
+#include <vector>
+
+#include <cppuhelper/weak.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <osl/endian.h>
+
+#include <com/sun/star/io/NotConnectedException.hpp>
+#include <com/sun/star/io/XObjectInputStream.hpp>
+#include <com/sun/star/io/XObjectOutputStream.hpp>
+#include <com/sun/star/io/XActiveDataSource.hpp>
+#include <com/sun/star/io/XActiveDataSink.hpp>
+#include <com/sun/star/io/XMarkableStream.hpp>
+#include <com/sun/star/io/XConnectable.hpp>
+#include <com/sun/star/io/UnexpectedEOFException.hpp>
+#include <com/sun/star/io/WrongFormatException.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+using namespace ::cppu;
+using namespace ::osl;
+using namespace ::std;
+using namespace ::com::sun::star::io;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::lang;
+
+#include <services.hxx>
+
+namespace io_stm {
+
+namespace {
+
+class ODataInputStream :
+ public WeakImplHelper <
+ XDataInputStream,
+ XActiveDataSink,
+ XConnectable,
+ XServiceInfo
+ >
+{
+public:
+ ODataInputStream( )
+ : m_bValidStream( false )
+ {
+ }
+
+public: // XInputStream
+ virtual sal_Int32 SAL_CALL readBytes(Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead) override;
+ virtual sal_Int32 SAL_CALL readSomeBytes(Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead) override;
+ virtual void SAL_CALL skipBytes(sal_Int32 nBytesToSkip) override;
+ virtual sal_Int32 SAL_CALL available() override;
+ virtual void SAL_CALL closeInput() override;
+
+public: // XDataInputStream
+ virtual sal_Int8 SAL_CALL readBoolean() override;
+ virtual sal_Int8 SAL_CALL readByte() override;
+ virtual sal_Unicode SAL_CALL readChar() override;
+ virtual sal_Int16 SAL_CALL readShort() override;
+ virtual sal_Int32 SAL_CALL readLong() override;
+ virtual sal_Int64 SAL_CALL readHyper() override;
+ virtual float SAL_CALL readFloat() override;
+ virtual double SAL_CALL readDouble() override;
+ virtual OUString SAL_CALL readUTF() override;
+
+
+public: // XActiveDataSink
+ virtual void SAL_CALL setInputStream(const Reference< XInputStream > & aStream) override;
+ virtual Reference< XInputStream > SAL_CALL getInputStream() override;
+
+public: // XConnectable
+ virtual void SAL_CALL setPredecessor(const Reference < XConnectable >& aPredecessor) override;
+ virtual Reference < XConnectable > SAL_CALL getPredecessor() override;
+ virtual void SAL_CALL setSuccessor(const Reference < XConnectable >& aSuccessor) override;
+ virtual Reference < XConnectable > SAL_CALL getSuccessor() override ;
+
+
+public: // XServiceInfo
+ OUString SAL_CALL getImplementationName() override;
+ Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+ sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
+
+protected:
+
+ Reference < XConnectable > m_pred;
+ Reference < XConnectable > m_succ;
+ Reference < XInputStream > m_input;
+ bool m_bValidStream;
+};
+
+}
+
+// XInputStream
+sal_Int32 ODataInputStream::readBytes(Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead)
+{
+ if( !m_bValidStream )
+ {
+ throw NotConnectedException( );
+ }
+ sal_Int32 nRead = m_input->readBytes( aData , nBytesToRead );
+ return nRead;
+}
+
+sal_Int32 ODataInputStream::readSomeBytes(Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead)
+{
+ if( !m_bValidStream )
+ throw NotConnectedException( );
+ sal_Int32 nRead = m_input->readSomeBytes( aData , nMaxBytesToRead );
+ return nRead;
+}
+void ODataInputStream::skipBytes(sal_Int32 nBytesToSkip)
+{
+ if( !m_bValidStream )
+ throw NotConnectedException( );
+ m_input->skipBytes( nBytesToSkip );
+}
+
+
+sal_Int32 ODataInputStream::available()
+{
+ if( !m_bValidStream )
+ throw NotConnectedException( );
+ sal_Int32 nAvail = m_input->available( );
+ return nAvail;
+}
+
+void ODataInputStream::closeInput()
+{
+ if( !m_bValidStream )
+ throw NotConnectedException( );
+ m_input->closeInput( );
+ setInputStream( Reference< XInputStream > () );
+ setPredecessor( Reference < XConnectable >() );
+ setSuccessor( Reference < XConnectable >() );
+ m_bValidStream = false;
+}
+
+
+//== XDataInputStream ===========================================
+
+// XDataInputStream
+sal_Int8 ODataInputStream::readBoolean()
+{
+ return readByte();
+}
+
+sal_Int8 ODataInputStream::readByte()
+{
+ Sequence<sal_Int8> aTmp(1);
+ if( 1 != readBytes( aTmp, 1 ) )
+ {
+ throw UnexpectedEOFException();
+ }
+ return aTmp.getConstArray()[0];
+}
+
+sal_Unicode ODataInputStream::readChar()
+{
+ Sequence<sal_Int8> aTmp(2);
+ if( 2 != readBytes( aTmp, 2 ) )
+ {
+ throw UnexpectedEOFException();
+ }
+
+ const sal_uInt8 * pBytes = reinterpret_cast<const sal_uInt8 *>(aTmp.getConstArray());
+ return (static_cast<sal_Unicode>(pBytes[0]) << 8) + pBytes[1];
+}
+
+sal_Int16 ODataInputStream::readShort()
+{
+ Sequence<sal_Int8> aTmp(2);
+ if( 2 != readBytes( aTmp, 2 ) )
+ {
+ throw UnexpectedEOFException();
+ }
+
+ const sal_uInt8 * pBytes = reinterpret_cast<const sal_uInt8 *>(aTmp.getConstArray());
+ return (static_cast<sal_Int16>(pBytes[0]) << 8) + pBytes[1];
+}
+
+
+sal_Int32 ODataInputStream::readLong()
+{
+ Sequence<sal_Int8> aTmp(4);
+ if( 4 != readBytes( aTmp, 4 ) )
+ {
+ throw UnexpectedEOFException( );
+ }
+
+ const sal_uInt8 * pBytes = reinterpret_cast<const sal_uInt8 *>(aTmp.getConstArray());
+ return (static_cast<sal_Int32>(pBytes[0]) << 24) + (static_cast<sal_Int32>(pBytes[1]) << 16) + (static_cast<sal_Int32>(pBytes[2]) << 8) + pBytes[3];
+}
+
+
+sal_Int64 ODataInputStream::readHyper()
+{
+ Sequence<sal_Int8> aTmp(8);
+ if( 8 != readBytes( aTmp, 8 ) )
+ {
+ throw UnexpectedEOFException( );
+ }
+
+ const sal_uInt8 * pBytes = reinterpret_cast<const sal_uInt8 *>(aTmp.getConstArray());
+ return
+ (static_cast<sal_Int64>(pBytes[0]) << 56) +
+ (static_cast<sal_Int64>(pBytes[1]) << 48) +
+ (static_cast<sal_Int64>(pBytes[2]) << 40) +
+ (static_cast<sal_Int64>(pBytes[3]) << 32) +
+ (static_cast<sal_Int64>(pBytes[4]) << 24) +
+ (static_cast<sal_Int64>(pBytes[5]) << 16) +
+ (static_cast<sal_Int64>(pBytes[6]) << 8) +
+ pBytes[7];
+}
+
+float ODataInputStream::readFloat()
+{
+ union { float f; sal_uInt32 n; } a;
+ a.n = readLong();
+ return a.f;
+}
+
+double ODataInputStream::readDouble()
+{
+ union { double d; struct { sal_uInt32 n1; sal_uInt32 n2; } ad; } a;
+#if defined OSL_LITENDIAN
+ a.ad.n2 = readLong();
+ a.ad.n1 = readLong();
+#else
+ a.ad.n1 = readLong();
+ a.ad.n2 = readLong();
+#endif
+ return a.d;
+}
+
+OUString ODataInputStream::readUTF()
+{
+ sal_uInt16 nShortLen = static_cast<sal_uInt16>(readShort());
+ sal_Int32 nUTFLen;
+
+ if( (sal_uInt16(0xffff)) == nShortLen )
+ {
+ // is interpreted as a sign, that string is longer than 64k
+ // incompatible to older XDataInputStream-routines, when strings are exactly 64k
+ nUTFLen = readLong();
+ }
+ else
+ {
+ nUTFLen = static_cast<sal_Int32>(nShortLen);
+ }
+
+ Sequence<sal_Unicode> aBuffer( nUTFLen );
+ sal_Unicode * pStr = aBuffer.getArray();
+
+ sal_Int32 nCount = 0;
+ sal_Int32 nStrLen = 0;
+ while( nCount < nUTFLen )
+ {
+ sal_uInt8 c = static_cast<sal_uInt8>(readByte());
+ sal_uInt8 char2, char3;
+ switch( c >> 4 )
+ {
+ case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
+ // 0xxxxxxx
+ nCount++;
+ pStr[nStrLen++] = c;
+ break;
+
+ case 12: case 13:
+ // 110x xxxx 10xx xxxx
+ nCount += 2;
+ if( nCount > nUTFLen )
+ {
+ throw WrongFormatException( );
+ }
+
+ char2 = static_cast<sal_uInt8>(readByte());
+ if( (char2 & 0xC0) != 0x80 )
+ {
+ throw WrongFormatException( );
+ }
+
+ pStr[nStrLen++] = (sal_Unicode(c & 0x1F) << 6) | (char2 & 0x3F);
+ break;
+
+ case 14:
+ // 1110 xxxx 10xx xxxx 10xx xxxx
+ nCount += 3;
+ if( nCount > nUTFLen )
+ {
+ throw WrongFormatException( );
+ }
+
+ char2 = static_cast<sal_uInt8>(readByte());
+ char3 = static_cast<sal_uInt8>(readByte());
+
+ if( ((char2 & 0xC0) != 0x80) || ((char3 & 0xC0) != 0x80) ) {
+ throw WrongFormatException( );
+ }
+ pStr[nStrLen++] = (sal_Unicode(c & 0x0F) << 12) |
+ (sal_Unicode(char2 & 0x3F) << 6) |
+ (char3 & 0x3F);
+ break;
+
+ default:
+ // 10xx xxxx, 1111 xxxx
+ throw WrongFormatException();
+ //throw new UTFDataFormatException();
+ }
+ }
+ return OUString( pStr, nStrLen );
+}
+
+
+// XActiveDataSource
+void ODataInputStream::setInputStream(const Reference< XInputStream > & aStream)
+{
+
+ if( m_input != aStream ) {
+ m_input = aStream;
+
+ Reference < XConnectable > pred( m_input , UNO_QUERY );
+ setPredecessor( pred );
+ }
+
+ m_bValidStream = m_input.is();
+}
+
+Reference< XInputStream > ODataInputStream::getInputStream()
+{
+ return m_input;
+}
+
+
+// XDataSink
+void ODataInputStream::setSuccessor( const Reference < XConnectable > &r )
+{
+ /// if the references match, nothing needs to be done
+ if( m_succ != r ) {
+ /// store the reference for later use
+ m_succ = r;
+
+ if( m_succ.is() ) {
+ /// set this instance as the sink !
+ m_succ->setPredecessor( Reference< XConnectable > (
+ static_cast< XConnectable * >(this) ) );
+ }
+ }
+}
+
+Reference < XConnectable > ODataInputStream::getSuccessor()
+{
+ return m_succ;
+}
+
+
+// XDataSource
+void ODataInputStream::setPredecessor( const Reference < XConnectable > &r )
+{
+ if( r != m_pred ) {
+ m_pred = r;
+ if( m_pred.is() ) {
+ m_pred->setSuccessor( Reference< XConnectable > (
+ static_cast< XConnectable * >(this) ) );
+ }
+ }
+}
+Reference < XConnectable > ODataInputStream::getPredecessor()
+{
+ return m_pred;
+}
+
+// XServiceInfo
+OUString ODataInputStream::getImplementationName()
+{
+ return ODataInputStream_getImplementationName();
+}
+
+// XServiceInfo
+sal_Bool ODataInputStream::supportsService(const OUString& ServiceName)
+{
+ return cppu::supportsService(this, ServiceName);
+}
+
+// XServiceInfo
+Sequence< OUString > ODataInputStream::getSupportedServiceNames()
+{
+ return ODataInputStream_getSupportedServiceNames();
+}
+
+/***
+*
+* registration information
+*
+*
+****/
+
+Reference< XInterface > ODataInputStream_CreateInstance(
+ SAL_UNUSED_PARAMETER const Reference < XComponentContext > & )
+{
+ ODataInputStream *p = new ODataInputStream;
+ return Reference< XInterface > ( static_cast<OWeakObject *>(p) );
+}
+
+OUString ODataInputStream_getImplementationName()
+{
+ return "com.sun.star.comp.io.stm.DataInputStream";
+}
+
+Sequence<OUString> ODataInputStream_getSupportedServiceNames()
+{
+ Sequence<OUString> aRet { "com.sun.star.io.DataInputStream" };
+ return aRet;
+}
+
+namespace {
+
+class ODataOutputStream :
+ public WeakImplHelper <
+ XDataOutputStream,
+ XActiveDataSource,
+ XConnectable,
+ XServiceInfo >
+{
+public:
+ ODataOutputStream()
+ : m_bValidStream( false )
+ {
+ }
+
+public: // XOutputStream
+ virtual void SAL_CALL writeBytes(const Sequence< sal_Int8 >& aData) override;
+ virtual void SAL_CALL flush() override;
+ virtual void SAL_CALL closeOutput() override;
+
+public: // XDataOutputStream
+ virtual void SAL_CALL writeBoolean(sal_Bool Value) override;
+ virtual void SAL_CALL writeByte(sal_Int8 Value) override;
+ virtual void SAL_CALL writeChar(sal_Unicode Value) override;
+ virtual void SAL_CALL writeShort(sal_Int16 Value) override;
+ virtual void SAL_CALL writeLong(sal_Int32 Value) override;
+ virtual void SAL_CALL writeHyper(sal_Int64 Value) override;
+ virtual void SAL_CALL writeFloat(float Value) override;
+ virtual void SAL_CALL writeDouble(double Value) override;
+ virtual void SAL_CALL writeUTF(const OUString& Value) override;
+
+public: // XActiveDataSource
+ virtual void SAL_CALL setOutputStream(const Reference< XOutputStream > & aStream) override;
+ virtual Reference < XOutputStream > SAL_CALL getOutputStream() override;
+
+public: // XConnectable
+ virtual void SAL_CALL setPredecessor(const Reference < XConnectable >& aPredecessor) override;
+ virtual Reference < XConnectable > SAL_CALL getPredecessor() override;
+ virtual void SAL_CALL setSuccessor(const Reference < XConnectable >& aSuccessor) override;
+ virtual Reference < XConnectable > SAL_CALL getSuccessor() override;
+
+public: // XServiceInfo
+ OUString SAL_CALL getImplementationName() override;
+ Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+ sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
+
+protected:
+ Reference < XConnectable > m_succ;
+ Reference < XConnectable > m_pred;
+ Reference< XOutputStream > m_output;
+ bool m_bValidStream;
+};
+
+}
+
+// XOutputStream
+void ODataOutputStream::writeBytes(const Sequence< sal_Int8 >& aData)
+{
+ if( !m_bValidStream )
+ throw NotConnectedException( );
+ m_output->writeBytes( aData );
+}
+
+void ODataOutputStream::flush()
+{
+ if( !m_bValidStream )
+ throw NotConnectedException();
+ m_output->flush();
+}
+
+
+void ODataOutputStream::closeOutput()
+{
+ if( !m_bValidStream )
+ throw NotConnectedException();
+ m_output->closeOutput();
+ setOutputStream( Reference< XOutputStream > () );
+ setPredecessor( Reference < XConnectable >() );
+ setSuccessor( Reference < XConnectable >() );
+}
+
+// XDataOutputStream
+void ODataOutputStream::writeBoolean(sal_Bool Value)
+{
+ if( Value )
+ {
+ writeByte( 1 );
+ }
+ else
+ {
+ writeByte( 0 );
+ }
+}
+
+
+void ODataOutputStream::writeByte(sal_Int8 Value)
+{
+ writeBytes( { Value } );
+}
+
+void ODataOutputStream::writeChar(sal_Unicode Value)
+{
+ writeBytes( { sal_Int8(Value >> 8),
+ sal_Int8(Value) } );
+}
+
+
+void ODataOutputStream::writeShort(sal_Int16 Value)
+{
+ writeBytes( { sal_Int8(Value >> 8),
+ sal_Int8(Value) } );
+}
+
+void ODataOutputStream::writeLong(sal_Int32 Value)
+{
+ writeBytes( { sal_Int8(Value >> 24),
+ sal_Int8(Value >> 16),
+ sal_Int8(Value >> 8),
+ sal_Int8(Value) } );
+}
+
+void ODataOutputStream::writeHyper(sal_Int64 Value)
+{
+ writeBytes( { sal_Int8(Value >> 56),
+ sal_Int8(Value >> 48),
+ sal_Int8(Value >> 40),
+ sal_Int8(Value >> 32),
+ sal_Int8(Value >> 24),
+ sal_Int8(Value >> 16),
+ sal_Int8(Value >> 8),
+ sal_Int8(Value) } );
+}
+
+
+void ODataOutputStream::writeFloat(float Value)
+{
+ union { float f; sal_uInt32 n; } a;
+ a.f = Value;
+ writeLong( a.n );
+}
+
+void ODataOutputStream::writeDouble(double Value)
+{
+ union { double d; struct { sal_uInt32 n1; sal_uInt32 n2; } ad; } a;
+ a.d = Value;
+#if defined OSL_LITENDIAN
+ writeLong( a.ad.n2 );
+ writeLong( a.ad.n1 );
+#else
+ writeLong( a.ad.n1 );
+ writeLong( a.ad.n2 );
+#endif
+}
+
+void ODataOutputStream::writeUTF(const OUString& Value)
+{
+ sal_Int32 nStrLen = Value.getLength();
+ const sal_Unicode * pStr = Value.getStr();
+ sal_Int32 nUTFLen = 0;
+ sal_Int32 i;
+
+ for( i = 0 ; i < nStrLen ; i++ )
+ {
+ sal_uInt16 c = pStr[i];
+ if( (c >= 0x0001) && (c <= 0x007F) )
+ {
+ nUTFLen++;
+ }
+ else if( c > 0x07FF )
+ {
+ nUTFLen += 3;
+ }
+ else
+ {
+ nUTFLen += 2;
+ }
+ }
+
+
+ // compatibility mode for older implementations, where it was not possible
+ // to write blocks bigger than 64 k. Note that there is a tradeoff. Blocks,
+ // that are exactly 64k long can not be read by older routines when written
+ // with these routines and the other way round !!!!!
+ if( nUTFLen >= 0xFFFF ) {
+ writeShort( sal_Int16(-1) );
+ writeLong( nUTFLen );
+ }
+ else {
+ writeShort( static_cast<sal_uInt16>(nUTFLen) );
+ }
+ for( i = 0 ; i < nStrLen ; i++ )
+ {
+ sal_uInt16 c = pStr[i];
+ if( (c >= 0x0001) && (c <= 0x007F) )
+ {
+ writeByte(sal_Int8(c));
+ }
+ else if( c > 0x07FF )
+ {
+ writeByte(sal_Int8(0xE0 | ((c >> 12) & 0x0F)));
+ writeByte(sal_Int8(0x80 | ((c >> 6) & 0x3F)));
+ writeByte(sal_Int8(0x80 | ((c >> 0) & 0x3F)));
+ }
+ else
+ {
+ writeByte(sal_Int8(0xC0 | ((c >> 6) & 0x1F)));
+ writeByte(sal_Int8(0x80 | ((c >> 0) & 0x3F)));
+ }
+ }
+}
+
+// XActiveDataSource
+void ODataOutputStream::setOutputStream(const Reference< XOutputStream > & aStream)
+{
+ if( m_output != aStream ) {
+ m_output = aStream;
+ m_bValidStream = m_output.is();
+
+ Reference < XConnectable > succ( m_output , UNO_QUERY );
+ setSuccessor( succ );
+ }
+}
+
+Reference< XOutputStream > ODataOutputStream::getOutputStream()
+{
+ return m_output;
+}
+
+
+// XDataSink
+void ODataOutputStream::setSuccessor( const Reference < XConnectable > &r )
+{
+ /// if the references match, nothing needs to be done
+ if( m_succ != r )
+ {
+ /// store the reference for later use
+ m_succ = r;
+
+ if( m_succ.is() )
+ {
+ /// set this instance as the sink !
+ m_succ->setPredecessor( Reference < XConnectable > (
+ static_cast< XConnectable * >(this) ));
+ }
+ }
+}
+Reference < XConnectable > ODataOutputStream::getSuccessor()
+{
+ return m_succ;
+}
+
+
+// XDataSource
+void ODataOutputStream::setPredecessor( const Reference < XConnectable > &r )
+{
+ if( r != m_pred ) {
+ m_pred = r;
+ if( m_pred.is() ) {
+ m_pred->setSuccessor( Reference< XConnectable > (
+ static_cast< XConnectable * >(this) ));
+ }
+ }
+}
+Reference < XConnectable > ODataOutputStream::getPredecessor()
+{
+ return m_pred;
+}
+
+
+// XServiceInfo
+OUString ODataOutputStream::getImplementationName()
+{
+ return ODataOutputStream_getImplementationName();
+}
+
+// XServiceInfo
+sal_Bool ODataOutputStream::supportsService(const OUString& ServiceName)
+{
+ return cppu::supportsService(this, ServiceName);
+}
+
+// XServiceInfo
+Sequence< OUString > ODataOutputStream::getSupportedServiceNames()
+{
+ return ODataOutputStream_getSupportedServiceNames();
+}
+
+Reference< XInterface > ODataOutputStream_CreateInstance(
+ SAL_UNUSED_PARAMETER const Reference < XComponentContext > & )
+{
+ ODataOutputStream *p = new ODataOutputStream;
+ Reference< XInterface > xService = *p;
+ return xService;
+}
+
+
+OUString ODataOutputStream_getImplementationName()
+{
+ return "com.sun.star.comp.io.stm.DataOutputStream";
+}
+
+Sequence<OUString> ODataOutputStream_getSupportedServiceNames()
+{
+ Sequence<OUString> aRet { "com.sun.star.io.DataOutputStream" };
+ return aRet;
+}
+
+namespace {
+
+struct equalObjectContainer_Impl
+{
+ bool operator()(const Reference< XInterface > & s1,
+ const Reference< XInterface > & s2) const
+ {
+ return s1 == s2;
+ }
+};
+
+
+struct hashObjectContainer_Impl
+{
+ size_t operator()(const Reference< XInterface > & xRef) const
+ {
+ return reinterpret_cast<size_t>(xRef.get());
+ }
+};
+
+}
+
+typedef std::unordered_map
+<
+ Reference< XInterface >,
+ sal_Int32,
+ hashObjectContainer_Impl,
+ equalObjectContainer_Impl
+> ObjectContainer_Impl;
+
+namespace {
+
+class OObjectOutputStream:
+ public ImplInheritanceHelper<
+ ODataOutputStream, /* parent */
+ XObjectOutputStream, XMarkableStream >
+{
+public:
+ OObjectOutputStream()
+ : m_nMaxId(0) ,
+ m_bValidMarkable(false)
+ {
+ }
+
+public:
+ // XOutputStream
+ virtual void SAL_CALL writeBytes(const Sequence< sal_Int8 >& aData) override
+ { ODataOutputStream::writeBytes( aData ); }
+
+ virtual void SAL_CALL flush() override
+ { ODataOutputStream::flush(); }
+
+ virtual void SAL_CALL closeOutput() override
+ { ODataOutputStream::closeOutput(); }
+
+public:
+ // XDataOutputStream
+ virtual void SAL_CALL writeBoolean(sal_Bool Value) override
+ { ODataOutputStream::writeBoolean( Value ); }
+ virtual void SAL_CALL writeByte(sal_Int8 Value) override
+ { ODataOutputStream::writeByte( Value ); }
+ virtual void SAL_CALL writeChar(sal_Unicode Value) override
+ { ODataOutputStream::writeChar( Value ); }
+ virtual void SAL_CALL writeShort(sal_Int16 Value) override
+ { ODataOutputStream::writeShort( Value ); }
+ virtual void SAL_CALL writeLong(sal_Int32 Value) override
+ { ODataOutputStream::writeLong( Value ); }
+ virtual void SAL_CALL writeHyper(sal_Int64 Value) override
+ { ODataOutputStream::writeHyper( Value ); }
+ virtual void SAL_CALL writeFloat(float Value) override
+ { ODataOutputStream::writeFloat( Value ); }
+ virtual void SAL_CALL writeDouble(double Value) override
+ { ODataOutputStream::writeDouble( Value ); }
+ virtual void SAL_CALL writeUTF(const OUString& Value) override
+ { ODataOutputStream::writeUTF( Value );}
+
+ // XObjectOutputStream
+ virtual void SAL_CALL writeObject( const Reference< XPersistObject > & r ) override;
+
+public: // XMarkableStream
+ virtual sal_Int32 SAL_CALL createMark() override;
+ virtual void SAL_CALL deleteMark(sal_Int32 Mark) override;
+ virtual void SAL_CALL jumpToMark(sal_Int32 nMark) override;
+ virtual void SAL_CALL jumpToFurthest() override;
+ virtual sal_Int32 SAL_CALL offsetToMark(sal_Int32 nMark) override;
+
+public: // XServiceInfo
+ OUString SAL_CALL getImplementationName() override;
+ Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+ sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
+
+private:
+ void connectToMarkable();
+private:
+ ObjectContainer_Impl m_mapObject;
+ sal_Int32 m_nMaxId;
+ Reference< XMarkableStream > m_rMarkable;
+ bool m_bValidMarkable;
+};
+
+}
+
+void OObjectOutputStream::writeObject( const Reference< XPersistObject > & xPObj )
+{
+
+ connectToMarkable();
+ bool bWriteObj = false;
+ // create Mark to write length of info
+ sal_uInt32 nInfoLenMark = m_rMarkable->createMark();
+
+ // length of the info data (is later rewritten)
+ OObjectOutputStream::writeShort( 0 );
+
+ // write the object identifier
+ if( xPObj.is() )
+ {
+ Reference< XInterface > rX( xPObj , UNO_QUERY );
+
+ ObjectContainer_Impl::const_iterator aIt
+ = m_mapObject.find( rX );
+ if( aIt == m_mapObject.end() )
+ {
+ // insert new object in hash table
+ m_mapObject[ rX ] = ++m_nMaxId;
+ ODataOutputStream::writeLong( m_nMaxId );
+ ODataOutputStream::writeUTF( xPObj->getServiceName() );
+ bWriteObj = true;
+ }
+ else
+ {
+ ODataOutputStream::writeLong( (*aIt).second );
+ ODataOutputStream::writeUTF( OUString() );
+ }
+ }
+ else
+ {
+ ODataOutputStream::writeLong( 0 );
+ ODataOutputStream::writeUTF( OUString() );
+ }
+
+ sal_uInt32 nObjLenMark = m_rMarkable->createMark();
+ ODataOutputStream::writeLong( 0 );
+
+ sal_Int32 nInfoLen = m_rMarkable->offsetToMark( nInfoLenMark );
+ m_rMarkable->jumpToMark( nInfoLenMark );
+ // write length of the info data
+ ODataOutputStream::writeShort( static_cast<sal_Int16>(nInfoLen) );
+ // jump to the end of the stream
+ m_rMarkable->jumpToFurthest();
+
+ if( bWriteObj )
+ xPObj->write( Reference< XObjectOutputStream > (
+ static_cast< XObjectOutputStream * >(this) ) );
+
+ sal_Int32 nObjLen = m_rMarkable->offsetToMark( nObjLenMark ) -4;
+ m_rMarkable->jumpToMark( nObjLenMark );
+ // write length of the info data
+ ODataOutputStream::writeLong( nObjLen );
+ // jump to the end of the stream
+ m_rMarkable->jumpToFurthest();
+
+ m_rMarkable->deleteMark( nObjLenMark );
+ m_rMarkable->deleteMark( nInfoLenMark );
+}
+
+
+void OObjectOutputStream::connectToMarkable()
+{
+ if( m_bValidMarkable )
+ return;
+
+ if( ! m_bValidStream )
+ throw NotConnectedException();
+
+ // find the markable stream !
+ Reference< XInterface > rTry(m_output);
+ while( true ) {
+ if( ! rTry.is() )
+ {
+ throw NotConnectedException();
+ }
+ Reference < XMarkableStream > markable( rTry , UNO_QUERY );
+ if( markable.is() )
+ {
+ m_rMarkable = markable;
+ break;
+ }
+ Reference < XActiveDataSource > source( rTry , UNO_QUERY );
+ rTry = source;
+ }
+ m_bValidMarkable = true;
+}
+
+
+sal_Int32 OObjectOutputStream::createMark()
+{
+ connectToMarkable(); // throws an exception, if a markable is not connected !
+
+ return m_rMarkable->createMark();
+}
+
+void OObjectOutputStream::deleteMark(sal_Int32 Mark)
+{
+ if( ! m_bValidMarkable )
+ {
+ throw NotConnectedException();
+ }
+ m_rMarkable->deleteMark( Mark );
+}
+
+void OObjectOutputStream::jumpToMark(sal_Int32 nMark)
+{
+ if( ! m_bValidMarkable )
+ {
+ throw NotConnectedException();
+ }
+ m_rMarkable->jumpToMark( nMark );
+}
+
+
+void OObjectOutputStream::jumpToFurthest()
+{
+ connectToMarkable();
+ m_rMarkable->jumpToFurthest();
+}
+
+sal_Int32 OObjectOutputStream::offsetToMark(sal_Int32 nMark)
+{
+ if( ! m_bValidMarkable )
+ {
+ throw NotConnectedException();
+ }
+ return m_rMarkable->offsetToMark( nMark );
+}
+
+
+Reference< XInterface > OObjectOutputStream_CreateInstance(
+ SAL_UNUSED_PARAMETER const Reference < XComponentContext > & )
+{
+ OObjectOutputStream *p = new OObjectOutputStream;
+ return Reference< XInterface > ( static_cast< OWeakObject * >(p) );
+}
+
+OUString OObjectOutputStream_getImplementationName()
+{
+ return "com.sun.star.comp.io.stm.ObjectOutputStream";
+}
+
+Sequence<OUString> OObjectOutputStream_getSupportedServiceNames()
+{
+ Sequence<OUString> aRet { "com.sun.star.io.ObjectOutputStream" };
+ return aRet;
+}
+
+// XServiceInfo
+OUString OObjectOutputStream::getImplementationName()
+{
+ return OObjectOutputStream_getImplementationName();
+}
+
+// XServiceInfo
+sal_Bool OObjectOutputStream::supportsService(const OUString& ServiceName)
+{
+ return cppu::supportsService(this, ServiceName);
+}
+
+// XServiceInfo
+Sequence< OUString > OObjectOutputStream::getSupportedServiceNames()
+{
+ return OObjectOutputStream_getSupportedServiceNames();
+}
+
+namespace {
+
+class OObjectInputStream:
+ public ImplInheritanceHelper<
+ ODataInputStream, /* parent */
+ XObjectInputStream, XMarkableStream >
+{
+public:
+ explicit OObjectInputStream( const Reference < XComponentContext > &r)
+ : m_rSMgr( r->getServiceManager() )
+ , m_rCxt( r )
+ , m_bValidMarkable(false)
+ {
+ }
+
+public: // XInputStream
+ virtual sal_Int32 SAL_CALL readBytes(Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead) override
+ { return ODataInputStream::readBytes( aData , nBytesToRead ); }
+
+ virtual sal_Int32 SAL_CALL readSomeBytes(Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead) override
+ { return ODataInputStream::readSomeBytes( aData, nMaxBytesToRead ); }
+
+ virtual void SAL_CALL skipBytes(sal_Int32 nBytesToSkip) override
+ { ODataInputStream::skipBytes( nBytesToSkip ); }
+
+ virtual sal_Int32 SAL_CALL available() override
+ { return ODataInputStream::available(); }
+
+ virtual void SAL_CALL closeInput() override
+ { ODataInputStream::closeInput(); }
+
+public: // XDataInputStream
+ virtual sal_Int8 SAL_CALL readBoolean() override
+ { return ODataInputStream::readBoolean(); }
+ virtual sal_Int8 SAL_CALL readByte() override
+ { return ODataInputStream::readByte(); }
+ virtual sal_Unicode SAL_CALL readChar() override
+ { return ODataInputStream::readChar(); }
+ virtual sal_Int16 SAL_CALL readShort() override
+ { return ODataInputStream::readShort(); }
+ virtual sal_Int32 SAL_CALL readLong() override
+ { return ODataInputStream::readLong(); }
+ virtual sal_Int64 SAL_CALL readHyper() override
+ { return ODataInputStream::readHyper(); }
+ virtual float SAL_CALL readFloat() override
+ { return ODataInputStream::readFloat(); }
+ virtual double SAL_CALL readDouble() override
+ { return ODataInputStream::readDouble(); }
+ virtual OUString SAL_CALL readUTF() override
+ { return ODataInputStream::readUTF(); }
+
+public: // XObjectInputStream
+ virtual Reference< XPersistObject > SAL_CALL readObject( ) override;
+
+public: // XMarkableStream
+ virtual sal_Int32 SAL_CALL createMark() override;
+ virtual void SAL_CALL deleteMark(sal_Int32 Mark) override;
+ virtual void SAL_CALL jumpToMark(sal_Int32 nMark) override;
+ virtual void SAL_CALL jumpToFurthest() override;
+ virtual sal_Int32 SAL_CALL offsetToMark(sal_Int32 nMark) override;
+
+public: // XServiceInfo
+ OUString SAL_CALL getImplementationName() override;
+ Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+ sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
+
+private:
+ void connectToMarkable();
+private:
+ Reference < XMultiComponentFactory > m_rSMgr;
+ Reference < XComponentContext > m_rCxt;
+ bool m_bValidMarkable;
+ Reference < XMarkableStream > m_rMarkable;
+ vector < Reference< XPersistObject > > m_aPersistVector;
+
+};
+
+}
+
+Reference< XPersistObject > OObjectInputStream::readObject()
+{
+ // check if chain contains a XMarkableStream
+ connectToMarkable();
+
+ Reference< XPersistObject > xLoadedObj;
+
+ // create Mark to skip newer versions
+ sal_uInt32 nMark = m_rMarkable->createMark();
+ // length of the data
+ sal_Int32 nLen = static_cast<sal_uInt16>(ODataInputStream::readShort());
+ if( nLen < 0xc )
+ {
+ throw WrongFormatException();
+ }
+
+ // read the object identifier
+ sal_uInt32 nId = readLong();
+
+ // the name of the persist model
+ // MM ???
+ OUString aName = readUTF();
+
+ // Read the length of the object
+ sal_Int32 nObjLen = readLong();
+ if( 0 == nId && 0 != nObjLen )
+ {
+ throw WrongFormatException();
+ }
+
+ // skip data of new version
+ skipBytes( nLen - m_rMarkable->offsetToMark( nMark ) );
+
+ bool bLoadSuccessful = true;
+ if( nId )
+ {
+ if( !aName.isEmpty() )
+ {
+ // load the object
+ Reference< XInterface > x = m_rSMgr->createInstanceWithContext( aName, m_rCxt );
+ xLoadedObj.set( x, UNO_QUERY );
+ if( xLoadedObj.is() )
+ {
+ sal_uInt32 nSize = m_aPersistVector.size();
+ if( nSize <= nId )
+ {
+ // grow to the right size
+ Reference< XPersistObject > xEmpty;
+ m_aPersistVector.insert( m_aPersistVector.end(), static_cast<long>(nId - nSize + 1), xEmpty );
+ }
+
+ m_aPersistVector[nId] = xLoadedObj;
+ xLoadedObj->read( Reference< XObjectInputStream >(
+ static_cast< XObjectInputStream * >(this) ) );
+ }
+ else
+ {
+ // no service with this name could be instantiated
+ bLoadSuccessful = false;
+ }
+ }
+ else {
+ if (nId >= m_aPersistVector.size())
+ {
+ // id unknown, load failure !
+ bLoadSuccessful = false;
+ }
+ else
+ {
+ // Object has already been read,
+ xLoadedObj = m_aPersistVector[nId];
+ }
+ }
+ }
+
+ // skip to the position behind the object
+ skipBytes( nObjLen + nLen - m_rMarkable->offsetToMark( nMark ) );
+ m_rMarkable->deleteMark( nMark );
+
+ if( ! bLoadSuccessful )
+ {
+ throw WrongFormatException();
+ }
+ return xLoadedObj;
+}
+
+
+void OObjectInputStream::connectToMarkable()
+{
+ if( m_bValidMarkable ) return;
+
+ if( ! m_bValidStream )
+ {
+ throw NotConnectedException( );
+ }
+
+ // find the markable stream !
+ Reference< XInterface > rTry(m_input);
+ while( true ) {
+ if( ! rTry.is() )
+ {
+ throw NotConnectedException( );
+ }
+ Reference< XMarkableStream > markable( rTry , UNO_QUERY );
+ if( markable.is() )
+ {
+ m_rMarkable = markable;
+ break;
+ }
+ Reference < XActiveDataSink > sink( rTry , UNO_QUERY );
+ rTry = sink;
+ }
+ m_bValidMarkable = true;
+}
+
+sal_Int32 OObjectInputStream::createMark()
+{
+ connectToMarkable(); // throws an exception, if a markable is not connected !
+
+ return m_rMarkable->createMark();
+}
+
+void OObjectInputStream::deleteMark(sal_Int32 Mark)
+{
+ if( ! m_bValidMarkable )
+ {
+ throw NotConnectedException();
+ }
+ m_rMarkable->deleteMark( Mark );
+}
+
+void OObjectInputStream::jumpToMark(sal_Int32 nMark)
+{
+ if( ! m_bValidMarkable )
+ {
+ throw NotConnectedException();
+ }
+ m_rMarkable->jumpToMark( nMark );
+}
+void OObjectInputStream::jumpToFurthest()
+{
+ connectToMarkable();
+ m_rMarkable->jumpToFurthest();
+}
+
+sal_Int32 OObjectInputStream::offsetToMark(sal_Int32 nMark)
+{
+ if( ! m_bValidMarkable )
+ {
+ throw NotConnectedException();
+ }
+ return m_rMarkable->offsetToMark( nMark );
+}
+
+// XServiceInfo
+OUString OObjectInputStream::getImplementationName()
+{
+ return OObjectInputStream_getImplementationName();
+}
+
+// XServiceInfo
+sal_Bool OObjectInputStream::supportsService(const OUString& ServiceName)
+{
+ return cppu::supportsService(this, ServiceName);
+}
+
+// XServiceInfo
+Sequence< OUString > OObjectInputStream::getSupportedServiceNames()
+{
+ return OObjectInputStream_getSupportedServiceNames();
+}
+
+Reference< XInterface > OObjectInputStream_CreateInstance( const Reference < XComponentContext > & rCtx )
+{
+ OObjectInputStream *p = new OObjectInputStream( rCtx );
+ return Reference< XInterface> ( static_cast< OWeakObject * >(p) );
+}
+
+OUString OObjectInputStream_getImplementationName()
+{
+ return "com.sun.star.comp.io.stm.ObjectInputStream";
+}
+
+Sequence<OUString> OObjectInputStream_getSupportedServiceNames()
+{
+ Sequence<OUString> aRet { "com.sun.star.io.ObjectInputStream" };
+ return aRet;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */