ICE-6861 - removing public stream API

1 files changed, 2482 insertions, 0 deletions

diff --git a/cpp/src/Ice/InputStream.cpp b/cpp/src/Ice/InputStream.cpp
new file mode 100644
index 00000000000..535d26a5d96
--- /dev/null
+++ b/cpp/src/Ice/InputStream.cpp
@@ -0,0 +1,2482 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2015 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#include <IceUtil/DisableWarnings.h>
+#include <Ice/InputStream.h>
+#include <Ice/DefaultsAndOverrides.h>
+#include <Ice/Instance.h>
+#include <Ice/Object.h>
+#include <Ice/Proxy.h>
+#include <Ice/ProxyFactory.h>
+#include <Ice/ValueFactory.h>
+#include <Ice/UserExceptionFactory.h>
+#include <Ice/LocalException.h>
+#include <Ice/Protocol.h>
+#include <Ice/FactoryTableInit.h>
+#include <Ice/TraceUtil.h>
+#include <Ice/TraceLevels.h>
+#include <Ice/LoggerUtil.h>
+#include <Ice/SlicedData.h>
+#include <IceUtil/StringConverter.h>
+#include <iterator>
+
+using namespace std;
+using namespace Ice;
+using namespace IceInternal;
+
+Ice::InputStream::InputStream()
+{
+    initialize(currentEncoding);
+}
+
+Ice::InputStream::InputStream(const vector<Byte>& v) :
+    Buffer(v)
+{
+    initialize(currentEncoding);
+}
+
+Ice::InputStream::InputStream(const pair<const Byte*, const Byte*>& p) :
+    Buffer(p.first, p.second)
+{
+    initialize(currentEncoding);
+}
+
+Ice::InputStream::InputStream(Buffer& buf, bool adopt) :
+    Buffer(buf, adopt)
+{
+    initialize(currentEncoding);
+}
+
+Ice::InputStream::InputStream(const CommunicatorPtr& communicator)
+{
+    initialize(communicator);
+}
+
+Ice::InputStream::InputStream(const CommunicatorPtr& communicator, const vector<Byte>& v) :
+    Buffer(v)
+{
+    initialize(communicator);
+}
+
+Ice::InputStream::InputStream(const CommunicatorPtr& communicator, const pair<const Byte*, const Byte*>& p) :
+    Buffer(p.first, p.second)
+{
+    initialize(communicator);
+}
+
+Ice::InputStream::InputStream(const CommunicatorPtr& communicator, Buffer& buf, bool adopt) :
+    Buffer(buf, adopt)
+{
+    initialize(communicator);
+}
+
+Ice::InputStream::InputStream(const EncodingVersion& encoding)
+{
+    initialize(encoding);
+}
+
+Ice::InputStream::InputStream(const EncodingVersion& encoding, const vector<Byte>& v) :
+    Buffer(v)
+{
+    initialize(encoding);
+}
+
+Ice::InputStream::InputStream(const EncodingVersion& encoding, const pair<const Byte*, const Byte*>& p) :
+    Buffer(p.first, p.second)
+{
+    initialize(encoding);
+}
+
+Ice::InputStream::InputStream(const EncodingVersion& encoding, Buffer& buf, bool adopt) :
+    Buffer(buf, adopt)
+{
+    initialize(encoding);
+}
+
+Ice::InputStream::InputStream(const CommunicatorPtr& communicator, const EncodingVersion& encoding)
+{
+    initialize(communicator, encoding);
+}
+
+Ice::InputStream::InputStream(const CommunicatorPtr& communicator, const EncodingVersion& encoding,
+                              const vector<Byte>& v) :
+    Buffer(v)
+{
+    initialize(communicator, encoding);
+}
+
+Ice::InputStream::InputStream(const CommunicatorPtr& communicator, const EncodingVersion& encoding,
+                              const pair<const Byte*, const Byte*>& p) :
+    Buffer(p.first, p.second)
+{
+    initialize(communicator, encoding);
+}
+
+Ice::InputStream::InputStream(const CommunicatorPtr& communicator, const EncodingVersion& encoding,
+                              Buffer& buf, bool adopt) :
+    Buffer(buf, adopt)
+{
+    initialize(communicator, encoding);
+}
+
+Ice::InputStream::InputStream(Instance* instance, const EncodingVersion& encoding)
+{
+    initialize(instance, encoding);
+}
+
+Ice::InputStream::InputStream(Instance* instance, const EncodingVersion& encoding, Buffer& buf, bool adopt) :
+    Buffer(buf, adopt)
+{
+    initialize(instance, encoding);
+}
+
+void
+Ice::InputStream::initialize(const CommunicatorPtr& communicator)
+{
+    Instance* instance = getInstance(communicator).get();
+    initialize(instance, instance->defaultsAndOverrides()->defaultEncoding);
+}
+
+void
+Ice::InputStream::initialize(const CommunicatorPtr& communicator, const EncodingVersion& encoding)
+{
+    initialize(getInstance(communicator).get(), encoding);
+}
+
+void
+Ice::InputStream::initialize(Instance* instance, const EncodingVersion& encoding)
+{
+    initialize(encoding);
+
+    _instance = instance;
+
+    _stringConverter = _instance->getStringConverter();
+    _wstringConverter = _instance->getWstringConverter();
+
+#ifndef ICE_CPP11_MAPPING
+    _collectObjects = _instance->collectObjects();
+#endif
+    _traceSlicing = _instance->traceLevels()->slicing > 0;
+}
+
+void
+Ice::InputStream::initialize(const EncodingVersion& encoding)
+{
+    _instance = 0;
+    _encoding = encoding;
+    _currentEncaps = 0;
+#ifndef ICE_CPP11_MAPPING
+    _collectObjects = false;
+#endif
+    _traceSlicing = false;
+    _closure = 0;
+    _sliceObjects = true;
+    _startSeq = -1;
+    _minSeqSize = 0;
+
+    //
+    // Initialize the encoding members of our pre-allocated encapsulation, in case
+    // this stream is used without an explicit encapsulation.
+    //
+    _preAllocatedEncaps.encoding = encoding;
+}
+
+void
+Ice::InputStream::clear()
+{
+    while(_currentEncaps && _currentEncaps != &_preAllocatedEncaps)
+    {
+        Encaps* oldEncaps = _currentEncaps;
+        _currentEncaps = _currentEncaps->previous;
+        delete oldEncaps;
+    }
+
+    _startSeq = -1;
+    _sliceObjects = true;
+}
+
+void
+Ice::InputStream::setStringConverters(const IceUtil::StringConverterPtr& sc, const IceUtil::WstringConverterPtr& wsc)
+{
+    _stringConverter = sc;
+    _wstringConverter = wsc;
+}
+
+void
+Ice::InputStream::setValueFactoryManager(const ValueFactoryManagerPtr& vfm)
+{
+    _valueFactoryManager = vfm;
+}
+
+void
+Ice::InputStream::setLogger(const LoggerPtr& logger)
+{
+    _logger = logger;
+}
+
+void
+#ifdef ICE_CPP11_MAPPING
+Ice::InputStream::setCompactIdResolver(std::function<std::string (int)> r)
+#else
+Ice::InputStream::setCompactIdResolver(const CompactIdResolverPtr& r)
+#endif
+{
+    _compactIdResolver = r;
+}
+
+#ifndef ICE_CPP11_MAPPING
+void
+Ice::InputStream::setCollectObjects(bool b)
+{
+    _collectObjects = b;
+}
+#endif
+
+void
+Ice::InputStream::setSliceObjects(bool b)
+{
+    _sliceObjects = b;
+}
+
+void
+Ice::InputStream::setTraceSlicing(bool b)
+{
+    _traceSlicing = b;
+}
+
+void*
+Ice::InputStream::getClosure() const
+{
+    return _closure;
+}
+
+void*
+Ice::InputStream::setClosure(void* p)
+{
+    void* prev = _closure;
+    _closure = p;
+    return prev;
+}
+
+void
+Ice::InputStream::swap(InputStream& other)
+{
+    assert(_instance == other._instance);
+
+    swapBuffer(other);
+
+    std::swap(_encoding, other._encoding);
+
+#ifndef ICE_CPP11_MAPPING
+    std::swap(_collectObjects, other._collectObjects);
+#endif
+
+    std::swap(_traceSlicing, other._traceSlicing);
+
+    std::swap(_closure, other._closure);
+
+    std::swap(_sliceObjects, other._sliceObjects);
+
+    //
+    // Swap is never called for streams that have encapsulations being read. However,
+    // encapsulations might still be set in case unmarshaling failed. We just
+    // reset the encapsulations if there are still some set.
+    //
+    resetEncapsulation();
+    other.resetEncapsulation();
+
+    std::swap(_startSeq, other._startSeq);
+    std::swap(_minSeqSize, other._minSeqSize);
+
+    std::swap(_stringConverter, other._stringConverter);
+    std::swap(_wstringConverter, other._wstringConverter);
+    std::swap(_valueFactoryManager, other._valueFactoryManager);
+    std::swap(_logger, other._logger);
+    std::swap(_compactIdResolver, other._compactIdResolver);
+}
+
+void
+Ice::InputStream::resetEncapsulation()
+{
+    while(_currentEncaps && _currentEncaps != &_preAllocatedEncaps)
+    {
+        Encaps* oldEncaps = _currentEncaps;
+        _currentEncaps = _currentEncaps->previous;
+        delete oldEncaps;
+    }
+
+    _preAllocatedEncaps.reset();
+}
+
+Int
+Ice::InputStream::getEncapsSize()
+{
+    assert(_currentEncaps);
+    return _currentEncaps->sz - static_cast<Int>(sizeof(Int)) - 2;
+}
+
+EncodingVersion
+Ice::InputStream::skipEncapsulation()
+{
+    Int sz;
+    read(sz);
+    if(sz < 6)
+    {
+        throw UnmarshalOutOfBoundsException(__FILE__, __LINE__);
+    }
+    if(i - sizeof(Int) + sz > b.end())
+    {
+        throw UnmarshalOutOfBoundsException(__FILE__, __LINE__);
+    }
+    EncodingVersion encoding;
+    read(encoding.major);
+    read(encoding.minor);
+    i += sz - sizeof(Int) - 2;
+    return encoding;
+}
+
+void
+Ice::InputStream::readPendingObjects()
+{
+    if(_currentEncaps && _currentEncaps->decoder)
+    {
+        _currentEncaps->decoder->readPendingObjects();
+    }
+    else if(getEncoding() == Ice::Encoding_1_0)
+    {
+        //
+        // If using the 1.0 encoding and no objects were read, we
+        // still read an empty sequence of pending objects if
+        // requested (i.e.: if this is called).
+        //
+        // This is required by the 1.0 encoding, even if no objects
+        // are written we do marshal an empty sequence if marshaled
+        // data types use classes.
+        //
+        skipSize();
+    }
+}
+
+Int
+Ice::InputStream::readAndCheckSeqSize(int minSize)
+{
+    Int sz = readSize();
+
+    if(sz == 0)
+    {
+        return sz;
+    }
+
+    //
+    // The _startSeq variable points to the start of the sequence for which
+    // we expect to read at least _minSeqSize bytes from the stream.
+    //
+    // If not initialized or if we already read more data than _minSeqSize,
+    // we reset _startSeq and _minSeqSize for this sequence (possibly a
+    // top-level sequence or enclosed sequence it doesn't really matter).
+    //
+    // Otherwise, we are reading an enclosed sequence and we have to bump
+    // _minSeqSize by the minimum size that this sequence will  require on
+    // the stream.
+    //
+    // The goal of this check is to ensure that when we start un-marshalling
+    // a new sequence, we check the minimal size of this new sequence against
+    // the estimated remaining buffer size. This estimatation is based on
+    // the minimum size of the enclosing sequences, it's _minSeqSize.
+    //
+    if(_startSeq == -1 || i > (b.begin() + _startSeq + _minSeqSize))
+    {
+        _startSeq = static_cast<int>(i - b.begin());
+        _minSeqSize = sz * minSize;
+    }
+    else
+    {
+        _minSeqSize += sz * minSize;
+    }
+
+    //
+    // If there isn't enough data to read on the stream for the sequence (and
+    // possibly enclosed sequences), something is wrong with the marshalled
+    // data: it's claiming having more data that what is possible to read.
+    //
+    if(_startSeq + _minSeqSize > static_cast<int>(b.size()))
+    {
+        throw UnmarshalOutOfBoundsException(__FILE__, __LINE__);
+    }
+
+    return sz;
+}
+
+void
+Ice::InputStream::readBlob(vector<Byte>& v, Int sz)
+{
+    if(sz > 0)
+    {
+        if(b.end() - i < sz)
+        {
+            throw UnmarshalOutOfBoundsException(__FILE__, __LINE__);
+        }
+        vector<Byte>(i, i + sz).swap(v);
+        i += sz;
+    }
+    else
+    {
+        v.clear();
+    }
+}
+
+void
+Ice::InputStream::read(std::vector<Ice::Byte>& v)
+{
+    std::pair<const Ice::Byte*, const Ice::Byte*> p;
+    read(p);
+    if(p.first != p.second)
+    {
+        v.resize(static_cast<Ice::Int>(p.second - p.first));
+        copy(p.first, p.second, v.begin());
+    }
+    else
+    {
+        v.clear();
+    }
+}
+
+void
+Ice::InputStream::read(pair<const Byte*, const Byte*>& v)
+{
+    Int sz = readAndCheckSeqSize(1);
+    if(sz > 0)
+    {
+        v.first = i;
+        v.second = i + sz;
+        i += sz;
+    }
+    else
+    {
+        v.first = v.second = i;
+    }
+}
+
+void
+Ice::InputStream::read(vector<bool>& v)
+{
+    Int sz = readAndCheckSeqSize(1);
+    if(sz > 0)
+    {
+        v.resize(sz);
+        copy(i, i + sz, v.begin());
+        i += sz;
+    }
+    else
+    {
+        v.clear();
+    }
+}
+
+namespace
+{
+
+template<size_t boolSize>
+struct ReadBoolHelper
+{
+    static bool* read(pair<const bool*, const bool*>& v, Int sz, InputStream::Container::iterator& i)
+    {
+        bool* array = new bool[sz];
+        for(int idx = 0; idx < sz; ++idx)
+        {
+            array[idx] = static_cast<bool>(*(i + idx));
+        }
+        v.first = array;
+        v.second = array + sz;
+        return array;
+    }
+};
+
+template<>
+struct ReadBoolHelper<1>
+{
+    static bool* read(pair<const bool*, const bool*>& v, Int sz, InputStream::Container::iterator& i)
+    {
+        v.first = reinterpret_cast<bool*>(i);
+        v.second = reinterpret_cast<bool*>(i) + sz;
+        return 0;
+    }
+};
+
+}
+
+void
+Ice::InputStream::read(pair<const bool*, const bool*>& v, IceUtil::ScopedArray<bool>& result)
+{
+    Int sz = readAndCheckSeqSize(1);
+    if(sz > 0)
+    {
+        result.reset(ReadBoolHelper<sizeof(bool)>::read(v, sz, i));
+        i += sz;
+    }
+    else
+    {
+        result.reset();
+        v.first = v.second = reinterpret_cast<bool*>(i);
+    }
+}
+
+void
+Ice::InputStream::read(Short& v)
+{
+    if(b.end() - i < static_cast<int>(sizeof(Short)))
+    {
+        throw UnmarshalOutOfBoundsException(__FILE__, __LINE__);
+    }
+    const Byte* src = &(*i);
+    i += sizeof(Short);
+#ifdef ICE_BIG_ENDIAN
+    Byte* dest = reinterpret_cast<Byte*>(&v) + sizeof(Short) - 1;
+    *dest-- = *src++;
+    *dest = *src;
+#else
+    Byte* dest = reinterpret_cast<Byte*>(&v);
+    *dest++ = *src++;
+    *dest = *src;
+#endif
+}
+
+void
+Ice::InputStream::read(vector<Short>& v)
+{
+    Int sz = readAndCheckSeqSize(static_cast<int>(sizeof(Short)));
+    if(sz > 0)
+    {
+        Container::iterator begin = i;
+        i += sz * static_cast<int>(sizeof(Short));
+        v.resize(sz);
+#ifdef ICE_BIG_ENDIAN
+        const Byte* src = &(*begin);
+        Byte* dest = reinterpret_cast<Byte*>(&v[0]) + sizeof(Short) - 1;
+        for(int j = 0 ; j < sz ; ++j)
+        {
+            *dest-- = *src++;
+            *dest-- = *src++;
+            dest += 2 * sizeof(Short);
+        }
+#else
+        copy(begin, i, reinterpret_cast<Byte*>(&v[0]));
+#endif
+    }
+    else
+    {
+        v.clear();
+    }
+}
+
+void
+Ice::InputStream::read(pair<const Short*, const Short*>& v, IceUtil::ScopedArray<Short>& result)
+{
+    Int sz = readAndCheckSeqSize(static_cast<int>(sizeof(Short)));
+    if(sz > 0)
+    {
+#if defined(__i386) || defined(_M_IX86) || defined(__x86_64) || defined(_M_X64)
+        v.first = reinterpret_cast<Short*>(i);
+        i += sz * static_cast<int>(sizeof(Short));
+        v.second = reinterpret_cast<Short*>(i);
+#else
+        result.reset(new Short[sz]);
+        v.first = result.get();
+        v.second = result.get() + sz;
+
+        Container::iterator begin = i;
+        i += sz * static_cast<int>(sizeof(Short));
+#  ifdef ICE_BIG_ENDIAN
+        const Byte* src = &(*begin);
+        Byte* dest = reinterpret_cast<Byte*>(&result[0]) + sizeof(Short) - 1;
+        for(int j = 0 ; j < sz ; ++j)
+        {
+            *dest-- = *src++;
+            *dest-- = *src++;
+            dest += 2 * sizeof(Short);
+        }
+#  else
+        copy(begin, i, reinterpret_cast<Byte*>(&result[0]));
+#  endif
+#endif
+    }
+    else
+    {
+        result.reset();
+        v.first = v.second = 0;
+    }
+}
+
+void
+Ice::InputStream::read(vector<Int>& v)
+{
+    Int sz = readAndCheckSeqSize(static_cast<int>(sizeof(Int)));
+    if(sz > 0)
+    {
+        Container::iterator begin = i;
+        i += sz * static_cast<int>(sizeof(Int));
+        v.resize(sz);
+#ifdef ICE_BIG_ENDIAN
+        const Byte* src = &(*begin);
+        Byte* dest = reinterpret_cast<Byte*>(&v[0]) + sizeof(Int) - 1;
+        for(int j = 0 ; j < sz ; ++j)
+        {
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            dest += 2 * sizeof(Int);
+        }
+#else
+        copy(begin, i, reinterpret_cast<Byte*>(&v[0]));
+#endif
+    }
+    else
+    {
+        v.clear();
+    }
+}
+
+void
+Ice::InputStream::read(pair<const Int*, const Int*>& v, ::IceUtil::ScopedArray<Int>& result)
+{
+    Int sz = readAndCheckSeqSize(static_cast<int>(sizeof(Int)));
+    if(sz > 0)
+    {
+#if defined(__i386) || defined(_M_IX86) || defined(__x86_64) || defined(_M_X64)
+        v.first = reinterpret_cast<Int*>(i);
+        i += sz * static_cast<int>(sizeof(Int));
+        v.second = reinterpret_cast<Int*>(i);
+#else
+        result.reset(new Int[sz]);
+        v.first = result.get();
+        v.second = result.get() + sz;
+
+        Container::iterator begin = i;
+        i += sz * static_cast<int>(sizeof(Int));
+#  ifdef ICE_BIG_ENDIAN
+        const Byte* src = &(*begin);
+        Byte* dest = reinterpret_cast<Byte*>(&result[0]) + sizeof(Int) - 1;
+        for(int j = 0 ; j < sz ; ++j)
+        {
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            dest += 2 * sizeof(Int);
+        }
+#  else
+        copy(begin, i, reinterpret_cast<Byte*>(&result[0]));
+#  endif
+#endif
+    }
+    else
+    {
+        result.reset();
+        v.first = v.second = 0;
+    }
+}
+
+void
+Ice::InputStream::read(Long& v)
+{
+    if(b.end() - i < static_cast<int>(sizeof(Long)))
+    {
+        throw UnmarshalOutOfBoundsException(__FILE__, __LINE__);
+    }
+    const Byte* src = &(*i);
+    i += sizeof(Long);
+#ifdef ICE_BIG_ENDIAN
+    Byte* dest = reinterpret_cast<Byte*>(&v) + sizeof(Long) - 1;
+    *dest-- = *src++;
+    *dest-- = *src++;
+    *dest-- = *src++;
+    *dest-- = *src++;
+    *dest-- = *src++;
+    *dest-- = *src++;
+    *dest-- = *src++;
+    *dest = *src;
+#else
+    Byte* dest = reinterpret_cast<Byte*>(&v);
+    *dest++ = *src++;
+    *dest++ = *src++;
+    *dest++ = *src++;
+    *dest++ = *src++;
+    *dest++ = *src++;
+    *dest++ = *src++;
+    *dest++ = *src++;
+    *dest = *src;
+#endif
+}
+
+void
+Ice::InputStream::read(vector<Long>& v)
+{
+    Int sz = readAndCheckSeqSize(static_cast<int>(sizeof(Long)));
+    if(sz > 0)
+    {
+        Container::iterator begin = i;
+        i += sz * static_cast<int>(sizeof(Long));
+        v.resize(sz);
+#ifdef ICE_BIG_ENDIAN
+        const Byte* src = &(*begin);
+        Byte* dest = reinterpret_cast<Byte*>(&v[0]) + sizeof(Long) - 1;
+        for(int j = 0 ; j < sz ; ++j)
+        {
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            dest += 2 * sizeof(Long);
+        }
+#else
+        copy(begin, i, reinterpret_cast<Byte*>(&v[0]));
+#endif
+    }
+    else
+    {
+        v.clear();
+    }
+}
+
+void
+Ice::InputStream::read(pair<const Long*, const Long*>& v, IceUtil::ScopedArray<Long>& result)
+{
+    Int sz = readAndCheckSeqSize(static_cast<int>(sizeof(Long)));
+    if(sz > 0)
+    {
+#if defined(__i386) || defined(_M_IX86) || defined(__x86_64) || defined(_M_X64)
+        v.first = reinterpret_cast<Long*>(i);
+        i += sz * static_cast<int>(sizeof(Long));
+        v.second = reinterpret_cast<Long*>(i);
+#else
+        result.reset(new Long[sz]);
+        v.first = result.get();
+        v.second = result.get() + sz;
+
+        Container::iterator begin = i;
+        i += sz * static_cast<int>(sizeof(Long));
+#  ifdef ICE_BIG_ENDIAN
+        const Byte* src = &(*begin);
+        Byte* dest = reinterpret_cast<Byte*>(&result[0]) + sizeof(Long) - 1;
+        for(int j = 0 ; j < sz ; ++j)
+        {
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            dest += 2 * sizeof(Long);
+        }
+#  else
+        copy(begin, i, reinterpret_cast<Byte*>(&result[0]));
+#  endif
+#endif
+    }
+    else
+    {
+        result.reset();
+        v.first = v.second = 0;
+    }
+}
+
+void
+Ice::InputStream::read(Float& v)
+{
+    if(b.end() - i < static_cast<int>(sizeof(Float)))
+    {
+        throw UnmarshalOutOfBoundsException(__FILE__, __LINE__);
+    }
+    const Byte* src = &(*i);
+    i += sizeof(Float);
+#ifdef ICE_BIG_ENDIAN
+    Byte* dest = reinterpret_cast<Byte*>(&v) + sizeof(Float) - 1;
+    *dest-- = *src++;
+    *dest-- = *src++;
+    *dest-- = *src++;
+    *dest = *src;
+#else
+    Byte* dest = reinterpret_cast<Byte*>(&v);
+    *dest++ = *src++;
+    *dest++ = *src++;
+    *dest++ = *src++;
+    *dest = *src;
+#endif
+}
+
+void
+Ice::InputStream::read(vector<Float>& v)
+{
+    Int sz = readAndCheckSeqSize(static_cast<int>(sizeof(Float)));
+    if(sz > 0)
+    {
+        Container::iterator begin = i;
+        i += sz * static_cast<int>(sizeof(Float));
+        v.resize(sz);
+#ifdef ICE_BIG_ENDIAN
+        const Byte* src = &(*begin);
+        Byte* dest = reinterpret_cast<Byte*>(&v[0]) + sizeof(Float) - 1;
+        for(int j = 0 ; j < sz ; ++j)
+        {
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            dest += 2 * sizeof(Float);
+        }
+#else
+        copy(begin, i, reinterpret_cast<Byte*>(&v[0]));
+#endif
+    }
+    else
+    {
+        v.clear();
+    }
+}
+
+void
+Ice::InputStream::read(pair<const Float*, const Float*>& v, IceUtil::ScopedArray<Float>& result)
+{
+    Int sz = readAndCheckSeqSize(static_cast<int>(sizeof(Float)));
+    if(sz > 0)
+    {
+#if defined(__i386) || defined(_M_IX86) || defined(__x86_64) || defined(_M_X64)
+        v.first = reinterpret_cast<Float*>(i);
+        i += sz * static_cast<int>(sizeof(Float));
+        v.second = reinterpret_cast<Float*>(i);
+#else
+        result.reset(new Float[sz]);
+        v.first = result.get();
+        v.second = result.get() + sz;
+
+        Container::iterator begin = i;
+        i += sz * static_cast<int>(sizeof(Float));
+#  ifdef ICE_BIG_ENDIAN
+        const Byte* src = &(*begin);
+        Byte* dest = reinterpret_cast<Byte*>(&result[0]) + sizeof(Float) - 1;
+        for(int j = 0 ; j < sz ; ++j)
+        {
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            dest += 2 * sizeof(Float);
+        }
+#  else
+        copy(begin, i, reinterpret_cast<Byte*>(&result[0]));
+#  endif
+#endif
+    }
+    else
+    {
+        result.reset();
+        v.first = v.second = 0;
+    }
+}
+
+void
+Ice::InputStream::read(Double& v)
+{
+    if(b.end() - i < static_cast<int>(sizeof(Double)))
+    {
+        throw UnmarshalOutOfBoundsException(__FILE__, __LINE__);
+    }
+    const Byte* src = &(*i);
+    i += sizeof(Double);
+#ifdef ICE_BIG_ENDIAN
+    Byte* dest = reinterpret_cast<Byte*>(&v) + sizeof(Double) - 1;
+    *dest-- = *src++;
+    *dest-- = *src++;
+    *dest-- = *src++;
+    *dest-- = *src++;
+    *dest-- = *src++;
+    *dest-- = *src++;
+    *dest-- = *src++;
+    *dest = *src;
+#else
+    Byte* dest = reinterpret_cast<Byte*>(&v);
+#  if defined(ICE_LITTLEBYTE_BIGWORD)
+    dest[4] = *src++;
+    dest[5] = *src++;
+    dest[6] = *src++;
+    dest[7] = *src++;
+    dest[0] = *src++;
+    dest[1] = *src++;
+    dest[2] = *src++;
+    dest[3] = *src;
+#  else
+    *dest++ = *src++;
+    *dest++ = *src++;
+    *dest++ = *src++;
+    *dest++ = *src++;
+    *dest++ = *src++;
+    *dest++ = *src++;
+    *dest++ = *src++;
+    *dest = *src;
+#  endif
+#endif
+}
+
+void
+Ice::InputStream::read(vector<Double>& v)
+{
+    Int sz = readAndCheckSeqSize(static_cast<int>(sizeof(Double)));
+    if(sz > 0)
+    {
+        Container::iterator begin = i;
+        i += sz * static_cast<int>(sizeof(Double));
+        v.resize(sz);
+#ifdef ICE_BIG_ENDIAN
+        const Byte* src = &(*begin);
+        Byte* dest = reinterpret_cast<Byte*>(&v[0]) + sizeof(Double) - 1;
+        for(int j = 0 ; j < sz ; ++j)
+        {
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            dest += 2 * sizeof(Double);
+        }
+#elif defined(ICE_LITTLEBYTE_BIGWORD)
+        const Byte* src = &(*begin);
+        Byte* dest = reinterpret_cast<Byte*>(&v[0]);
+        for(int j = 0 ; j < sz ; ++j)
+        {
+            dest[4] = *src++;
+            dest[5] = *src++;
+            dest[6] = *src++;
+            dest[7] = *src++;
+            dest[0] = *src++;
+            dest[1] = *src++;
+            dest[2] = *src++;
+            dest[3] = *src++;
+            dest += sizeof(Double);
+        }
+#else
+        copy(begin, i, reinterpret_cast<Byte*>(&v[0]));
+#endif
+    }
+    else
+    {
+        v.clear();
+    }
+}
+
+void
+Ice::InputStream::read(pair<const Double*, const Double*>& v, IceUtil::ScopedArray<Double>& result)
+{
+    Int sz = readAndCheckSeqSize(static_cast<int>(sizeof(Double)));
+    if(sz > 0)
+    {
+#if defined(__i386) || defined(_M_IX86) || defined(__x86_64) || defined(_M_X64)
+        v.first = reinterpret_cast<Double*>(i);
+        i += sz * static_cast<int>(sizeof(Double));
+        v.second = reinterpret_cast<Double*>(i);
+#else
+        result.reset(new Double[sz]);
+        v.first = result.get();
+        v.second = result.get() + sz;
+
+        Container::iterator begin = i;
+        i += sz * static_cast<int>(sizeof(Double));
+#  ifdef ICE_BIG_ENDIAN
+        const Byte* src = &(*begin);
+        Byte* dest = reinterpret_cast<Byte*>(&result[0]) + sizeof(Double) - 1;
+        for(int j = 0 ; j < sz ; ++j)
+        {
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            *dest-- = *src++;
+            dest += 2 * sizeof(Double);
+        }
+#  elif defined(ICE_LITTLEBYTE_BIGWORD)
+        const Byte* src = &(*begin);
+        Byte* dest = reinterpret_cast<Byte*>(&result[0]);
+        for(int j = 0 ; j < sz ; ++j)
+        {
+            dest[4] = *src++;
+            dest[5] = *src++;
+            dest[6] = *src++;
+            dest[7] = *src++;
+            dest[0] = *src++;
+            dest[1] = *src++;
+            dest[2] = *src++;
+            dest[3] = *src++;
+            dest += sizeof(Double);
+        }
+
+#  else
+        copy(begin, i, reinterpret_cast<Byte*>(&result[0]));
+#  endif
+#endif
+    }
+    else
+    {
+        result.reset();
+        v.first = v.second = 0;
+    }
+}
+
+void
+Ice::InputStream::readConverted(string& v, int sz)
+{
+    if(!_stringConverter)
+    {
+        throw MarshalException(__FILE__, __LINE__, "no string converter provided");
+    }
+
+    try
+    {
+        _stringConverter->fromUTF8(i, i + sz, v);
+    }
+    catch(const IceUtil::IllegalConversionException& ex)
+    {
+        throw StringConversionException(__FILE__, __LINE__, ex.reason());
+    }
+}
+
+void
+Ice::InputStream::read(vector<string>& v, bool convert)
+{
+    Int sz = readAndCheckSeqSize(1);
+    if(sz > 0)
+    {
+        v.resize(sz);
+        for(int j = 0; j < sz; ++j)
+        {
+            read(v[j], convert);
+        }
+    }
+    else
+    {
+       v.clear();
+    }
+}
+
+void
+Ice::InputStream::read(wstring& v)
+{
+    if(!_wstringConverter)
+    {
+        throw MarshalException(__FILE__, __LINE__, "no wstring converter provided");
+    }
+
+    Int sz = readSize();
+    if(sz > 0)
+    {
+        if(b.end() - i < sz)
+        {
+            throwUnmarshalOutOfBoundsException(__FILE__, __LINE__);
+        }
+
+        try
+        {
+            _wstringConverter->fromUTF8(i, i + sz, v);
+            i += sz;
+        }
+        catch(const IceUtil::IllegalConversionException& ex)
+        {
+            throw StringConversionException(__FILE__, __LINE__, ex.reason());
+        }
+    }
+    else
+    {
+        v.clear();
+    }
+}
+
+void
+Ice::InputStream::read(vector<wstring>& v)
+{
+    Int sz = readAndCheckSeqSize(1);
+    if(sz > 0)
+    {
+        v.resize(sz);
+        for(int j = 0; j < sz; ++j)
+        {
+            read(v[j]);
+        }
+    }
+    else
+    {
+       v.clear();
+    }
+}
+
+#ifdef ICE_CPP11_MAPPING
+shared_ptr<ObjectPrx>
+Ice::InputStream::readProxy()
+{
+    if(!_instance)
+    {
+        throw MarshalException(__FILE__, __LINE__, "cannot unmarshal a proxy without a communicator");
+    }
+
+    return _instance->proxyFactory()->streamToProxy(this);
+}
+#else
+void
+Ice::InputStream::read(ObjectPrx& v)
+{
+    if(!_instance)
+    {
+        throw MarshalException(__FILE__, __LINE__, "cannot unmarshal a proxy without a communicator");
+    }
+
+    v = _instance->proxyFactory()->streamToProxy(this);
+}
+#endif
+
+Int
+Ice::InputStream::readEnum(Int maxValue)
+{
+    if(getEncoding() == Encoding_1_0)
+    {
+        if(maxValue < 127)
+        {
+            Byte value;
+            read(value);
+            return value;
+        }
+        else if(maxValue < 32767)
+        {
+            Short value;
+            read(value);
+            return value;
+        }
+        else
+        {
+            Int value;
+            read(value);
+            return value;
+        }
+    }
+    else
+    {
+        return readSize();
+    }
+}
+
+void
+Ice::InputStream::throwException(const UserExceptionFactoryPtr& factory)
+{
+    initEncaps();
+    _currentEncaps->decoder->throwException(factory);
+}
+
+bool
+Ice::InputStream::readOptImpl(Int readTag, OptionalFormat expectedFormat)
+{
+    if(getEncoding() == Encoding_1_0)
+    {
+        return false; // Optional members aren't supported with the 1.0 encoding.
+    }
+
+    while(true)
+    {
+        if(i >= b.begin() + _currentEncaps->start + _currentEncaps->sz)
+        {
+            return false; // End of encapsulation also indicates end of optionals.
+        }
+
+        Byte v;
+        read(v);
+        if(v == OPTIONAL_END_MARKER)
+        {
+            --i; // Rewind
+            return false;
+        }
+
+        OptionalFormat format = static_cast<OptionalFormat>(v & 0x07); // First 3 bits.
+        Int tag = static_cast<Int>(v >> 3);
+        if(tag == 30)
+        {
+            tag = readSize();
+        }
+
+        if(tag > readTag)
+        {
+            i -= tag < 30 ? 1 : (tag < 255 ? 2 : 6); // Rewind
+            return false; // No optional data members with the requested tag.
+        }
+        else if(tag < readTag)
+        {
+            skipOpt(format); // Skip optional data members
+        }
+        else
+        {
+            if(format != expectedFormat)
+            {
+                ostringstream os;
+                os << "invalid optional data member `" << tag << "': unexpected format";
+                throw MarshalException(__FILE__, __LINE__, os.str());
+            }
+            return true;
+        }
+    }
+    return true; // Keep the compiler happy.
+}
+
+void
+Ice::InputStream::skipOpt(OptionalFormat type)
+{
+    switch(type)
+    {
+    case Ice::OptionalFormatF1:
+    {
+        skip(1);
+        break;
+    }
+    case Ice::OptionalFormatF2:
+    {
+        skip(2);
+        break;
+    }
+    case Ice::OptionalFormatF4:
+    {
+        skip(4);
+        break;
+    }
+    case Ice::OptionalFormatF8:
+    {
+        skip(8);
+        break;
+    }
+    case Ice::OptionalFormatSize:
+    {
+        skipSize();
+        break;
+    }
+    case Ice::OptionalFormatVSize:
+    {
+        skip(readSize());
+        break;
+    }
+    case Ice::OptionalFormatFSize:
+    {
+        Int sz;
+        read(sz);
+        skip(sz);
+        break;
+    }
+    case Ice::OptionalFormatClass:
+    {
+        read(0, 0);
+        break;
+    }
+    }
+}
+
+void
+Ice::InputStream::skipOpts()
+{
+    //
+    // Skip remaining un-read optional members.
+    //
+    while(true)
+    {
+        if(i >= b.begin() + _currentEncaps->start + _currentEncaps->sz)
+        {
+            return; // End of encapsulation also indicates end of optionals.
+        }
+
+        Byte v;
+        read(v);
+        if(v == OPTIONAL_END_MARKER)
+        {
+            return;
+        }
+
+        OptionalFormat format = static_cast<OptionalFormat>(v & 0x07); // Read first 3 bits.
+        if(static_cast<Int>(v >> 3) == 30)
+        {
+            skipSize();
+        }
+        skipOpt(format);
+    }
+}
+
+void
+Ice::InputStream::throwUnmarshalOutOfBoundsException(const char* file, int line)
+{
+    throw UnmarshalOutOfBoundsException(file, line);
+}
+
+void
+Ice::InputStream::throwEncapsulationException(const char* file, int line)
+{
+    throw EncapsulationException(file, line);
+}
+
+string
+Ice::InputStream::resolveCompactId(int id) const
+{
+    string type;
+
+#ifdef ICE_CPP11_MAPPING
+    function<string (int)> resolver = compactIdResolver();
+#else
+    CompactIdResolverPtr resolver = compactIdResolver();
+#endif
+
+    if(resolver)
+    {
+        try
+        {
+#ifdef ICE_CPP11_MAPPING
+            type = resolver(id);
+#else
+            type = resolver->resolve(id);
+#endif
+        }
+        catch(const LocalException&)
+        {
+            throw;
+        }
+        catch(const std::exception& ex)
+        {
+            ostringstream ostr;
+            ostr << "exception in CompactIdResolver for ID " << id;
+            string msg = ostr.str();
+            string what = ex.what();
+            if(!what.empty())
+            {
+                msg += ":\n" + what;
+            }
+            throw MarshalException(__FILE__, __LINE__, msg);
+        }
+        catch(...)
+        {
+            ostringstream ostr;
+            ostr << "unknown exception in CompactIdResolver for ID " << id;
+            throw MarshalException(__FILE__, __LINE__, ostr.str());
+        }
+    }
+
+    return type;
+}
+
+void
+Ice::InputStream::postUnmarshal(const ValuePtr& v) const
+{
+    try
+    {
+#ifndef ICE_CPP11_MAPPING
+        if(_collectObjects)
+        {
+            v->ice_collectable(true);
+        }
+#endif
+        v->ice_postUnmarshal();
+    }
+    catch(const std::exception& ex)
+    {
+        if(logger())
+        {
+            Warning out(logger());
+            out << "std::exception raised by ice_postUnmarshal:\n" << ex;
+        }
+    }
+    catch(...)
+    {
+        if(logger())
+        {
+            Warning out(logger());
+            out << "unknown exception raised by ice_postUnmarshal";
+        }
+    }
+}
+
+void
+Ice::InputStream::traceSkipSlice(const string& typeId, SliceType sliceType) const
+{
+    if(_traceSlicing && logger())
+    {
+        traceSlicing(sliceType == ExceptionSlice ? "exception" : "object", typeId, "Slicing", logger());
+    }
+}
+
+ValueFactoryManagerPtr
+Ice::InputStream::valueFactoryManager() const
+{
+    if(_valueFactoryManager)
+    {
+        return _valueFactoryManager;
+    }
+    else if(_instance)
+    {
+        return _instance->initializationData().valueFactoryManager;
+    }
+
+    return 0;
+}
+
+LoggerPtr
+Ice::InputStream::logger() const
+{
+    if(_logger)
+    {
+        return _logger;
+    }
+    else if(_instance)
+    {
+        return _instance->initializationData().logger;
+    }
+
+    return 0;
+}
+
+#ifdef ICE_CPP11_MAPPING
+function<string (int)>
+Ice::InputStream::compactIdResolver() const
+{
+    if(_compactIdResolver)
+    {
+        return _compactIdResolver;
+    }
+    else if(_instance)
+    {
+        return _instance->initializationData().compactIdResolver;
+    }
+
+    return nullptr;
+}
+#else
+CompactIdResolverPtr
+Ice::InputStream::compactIdResolver() const
+{
+    if(_compactIdResolver)
+    {
+        return _compactIdResolver;
+    }
+    else if(_instance)
+    {
+        return _instance->initializationData().compactIdResolver;
+    }
+
+    return 0;
+}
+#endif
+
+void
+Ice::InputStream::initEncaps()
+{
+    if(!_currentEncaps) // Lazy initialization.
+    {
+        _currentEncaps = &_preAllocatedEncaps;
+        _currentEncaps->sz = static_cast<Ice::Int>(b.size());
+    }
+
+    if(!_currentEncaps->decoder) // Lazy initialization.
+    {
+        ValueFactoryManagerPtr vfm = valueFactoryManager();
+        if(_currentEncaps->encoding == Encoding_1_0)
+        {
+            _currentEncaps->decoder = new EncapsDecoder10(this, _currentEncaps, _sliceObjects, vfm);
+        }
+        else
+        {
+            _currentEncaps->decoder = new EncapsDecoder11(this, _currentEncaps, _sliceObjects, vfm);
+        }
+    }
+}
+
+string
+Ice::InputStream::EncapsDecoder::readTypeId(bool isIndex)
+{
+    if(isIndex)
+    {
+        Int index = _stream->readSize();
+        TypeIdMap::const_iterator k = _typeIdMap.find(index);
+        if(k == _typeIdMap.end())
+        {
+            throw UnmarshalOutOfBoundsException(__FILE__, __LINE__);
+        }
+        return k->second;
+    }
+    else
+    {
+        string typeId;
+        _stream->read(typeId, false);
+        _typeIdMap.insert(make_pair(++_typeIdIndex, typeId));
+        return typeId;
+    }
+}
+
+Ice::ValuePtr
+Ice::InputStream::EncapsDecoder::newInstance(const string& typeId)
+{
+    Ice::ValuePtr v;
+
+    //
+    // Try to find a factory registered for the specific type.
+    //
+#ifdef ICE_CPP11_MAPPING
+    function<ValuePtr (const string&)> userFactory;
+    if(_valueFactoryManager)
+    {
+        userFactory = _valueFactoryManager->find(typeId);
+        if(userFactory)
+        {
+            v = userFactory(typeId);
+        }
+    }
+#else
+    ValueFactoryPtr userFactory;
+    if(_valueFactoryManager)
+    {
+        userFactory = _valueFactoryManager->find(typeId);
+        if(userFactory)
+        {
+            v = userFactory->create(typeId);
+        }
+    }
+#endif
+    //
+    // If that fails, invoke the default factory if one has been registered.
+    //
+    if(!v && _valueFactoryManager)
+    {
+        userFactory = _valueFactoryManager->find("");
+        if(userFactory)
+        {
+#ifdef ICE_CPP11_MAPPING
+            v = userFactory(typeId);
+#else
+            v = userFactory->create(typeId);
+#endif
+        }
+    }
+
+    //
+    // Last chance: check the table of static factories (i.e.,
+    // automatically generated factories for concrete classes).
+    //
+    if(!v)
+    {
+#ifdef ICE_CPP11_MAPPING
+        function<ValuePtr (const string&)> of = IceInternal::factoryTable->getValueFactory(typeId);
+        if(of)
+        {
+            v = of(typeId);
+            assert(v);
+        }
+#else
+        ValueFactoryPtr of = IceInternal::factoryTable->getValueFactory(typeId);
+        if(of)
+        {
+            v = of->create(typeId);
+            assert(v);
+        }
+#endif
+    }
+    return v;
+}
+
+void
+Ice::InputStream::EncapsDecoder::addPatchEntry(Int index, PatchFunc patchFunc, void* patchAddr)
+{
+    assert(index > 0);
+
+    //
+    // Check if already un-marshalled the object. If that's the case,
+    // just patch the object smart pointer and we're done.
+    //
+    IndexToPtrMap::iterator p = _unmarshaledMap.find(index);
+    if(p != _unmarshaledMap.end())
+    {
+        (*patchFunc)(patchAddr, p->second);
+        return;
+    }
+
+    //
+    // Add patch entry if the object isn't un-marshalled yet, the
+    // smart pointer will be patched when the instance is
+    // un-marshalled.
+    //
+
+    PatchMap::iterator q = _patchMap.find(index);
+    if(q == _patchMap.end())
+    {
+        //
+        // We have no outstanding instances to be patched for this
+        // index, so make a new entry in the patch map.
+        //
+        q = _patchMap.insert(make_pair(index, PatchList())).first;
+    }
+
+    //
+    // Append a patch entry for this instance.
+    //
+    PatchEntry e;
+    e.patchFunc = patchFunc;
+    e.patchAddr = patchAddr;
+    q->second.push_back(e);
+}
+
+void
+Ice::InputStream::EncapsDecoder::unmarshal(Int index, const Ice::ValuePtr& v)
+{
+    //
+    // Add the object to the map of un-marshalled objects, this must
+    // be done before reading the objects (for circular references).
+    //
+    _unmarshaledMap.insert(make_pair(index, v));
+
+    //
+    // Read the object.
+    //
+    v->__read(_stream);
+
+    //
+    // Patch all instances now that the object is un-marshalled.
+    //
+    PatchMap::iterator patchPos = _patchMap.find(index);
+    if(patchPos != _patchMap.end())
+    {
+        assert(patchPos->second.size() > 0);
+
+        //
+        // Patch all pointers that refer to the instance.
+        //
+        for(PatchList::iterator k = patchPos->second.begin(); k != patchPos->second.end(); ++k)
+        {
+            (*k->patchFunc)(k->patchAddr, v);
+        }
+
+        //
+        // Clear out the patch map for that index -- there is nothing left
+        // to patch for that index for the time being.
+        //
+        _patchMap.erase(patchPos);
+    }
+
+    if(_objectList.empty() && _patchMap.empty())
+    {
+        _stream->postUnmarshal(v);
+    }
+    else
+    {
+        _objectList.push_back(v);
+
+        if(_patchMap.empty())
+        {
+            //
+            // Iterate over the object list and invoke ice_postUnmarshal on
+            // each object.  We must do this after all objects have been
+            // unmarshaled in order to ensure that any object data members
+            // have been properly patched.
+            //
+            for(ObjectList::iterator p = _objectList.begin(); p != _objectList.end(); ++p)
+            {
+                _stream->postUnmarshal(*p);
+            }
+            _objectList.clear();
+        }
+    }
+}
+
+void
+Ice::InputStream::EncapsDecoder10::read(PatchFunc patchFunc, void* patchAddr)
+{
+    assert(patchFunc && patchAddr);
+
+    //
+    // Object references are encoded as a negative integer in 1.0.
+    //
+    Int index;
+    _stream->read(index);
+    if(index > 0)
+    {
+        throw MarshalException(__FILE__, __LINE__, "invalid object id");
+    }
+    index = -index;
+
+    if(index == 0)
+    {
+        //
+        // Calling the patch function for null instances is necessary for correct functioning of Ice for
+        // Python and Ruby.
+        //
+        ValuePtr nil;
+        patchFunc(patchAddr, nil);
+    }
+    else
+    {
+        addPatchEntry(index, patchFunc, patchAddr);
+    }
+}
+
+void
+Ice::InputStream::EncapsDecoder10::throwException(const UserExceptionFactoryPtr& factory)
+{
+    assert(_sliceType == NoSlice);
+
+    //
+    // User exception with the 1.0 encoding start with a boolean flag
+    // that indicates whether or not the exception has classes.
+    //
+    // This allows reading the pending objects even if some part of
+    // the exception was sliced.
+    //
+    bool usesClasses;
+    _stream->read(usesClasses);
+
+    _sliceType = ExceptionSlice;
+    _skipFirstSlice = false;
+
+    //
+    // Read the first slice header.
+    //
+    startSlice();
+    const string mostDerivedId = _typeId;
+    UserExceptionFactoryPtr exceptionFactory = factory;
+    while(true)
+    {
+        //
+        // Look for a statically-generated factory for this ID.
+        //
+        if(!exceptionFactory)
+        {
+            exceptionFactory = factoryTable->getExceptionFactory(_typeId);
+        }
+
+        //
+        // We found a factory, we get out of this loop.
+        //
+        if(exceptionFactory)
+        {
+            //
+            // Got factory -- ask the factory to instantiate the
+            // exception, initialize the exception members, and throw
+            // the exception.
+            //
+            try
+            {
+                exceptionFactory->createAndThrow(_typeId);
+            }
+            catch(UserException& ex)
+            {
+                ex.__read(_stream);
+                if(usesClasses)
+                {
+                    readPendingObjects();
+                }
+                throw;
+
+                // Never reached.
+            }
+        }
+
+        //
+        // Slice off what we don't understand.
+        //
+        skipSlice();
+        try
+        {
+            startSlice();
+        }
+        catch(UnmarshalOutOfBoundsException& ex)
+        {
+            //
+            // An oversight in the 1.0 encoding means there is no marker to indicate
+            // the last slice of an exception. As a result, we just try to read the
+            // next type ID, which raises UnmarshalOutOfBoundsException when the
+            // input buffer underflows.
+            //
+            // Set the reason member to a more helpful message.
+            //
+            ex.reason = "unknown exception type `" + mostDerivedId + "'";
+            throw;
+        }
+    }
+}
+
+void
+#ifndef NDEBUG
+Ice::InputStream::EncapsDecoder10::startInstance(SliceType sliceType)
+#else
+Ice::InputStream::EncapsDecoder10::startInstance(SliceType)
+#endif
+{
+    assert(_sliceType == sliceType);
+    _skipFirstSlice = true;
+}
+
+SlicedDataPtr
+Ice::InputStream::EncapsDecoder10::endInstance(bool)
+{
+    //
+    // Read the Ice::Object slice.
+    //
+    if(_sliceType == ObjectSlice)
+    {
+        startSlice();
+        Int sz = _stream->readSize(); // For compatibility with the old AFM.
+        if(sz != 0)
+        {
+            throw MarshalException(__FILE__, __LINE__, "invalid Object slice");
+        }
+        endSlice();
+    }
+    _sliceType = NoSlice;
+    return 0;
+}
+
+const std::string&
+Ice::InputStream::EncapsDecoder10::startSlice()
+{
+    //
+    // If first slice, don't read the header, it was already read in
+    // readInstance or throwException to find the factory.
+    //
+    if(_skipFirstSlice)
+    {
+        _skipFirstSlice = false;
+        return _typeId;
+    }
+
+    //
+    // For objects, first read the type ID boolean which indicates
+    // whether or not the type ID is encoded as a string or as an
+    // index. For exceptions, the type ID is always encoded as a
+    // string.
+    //
+    if(_sliceType == ObjectSlice)
+    {
+        bool isIndex;
+        _stream->read(isIndex);
+        _typeId = readTypeId(isIndex);
+    }
+    else
+    {
+        _stream->read(_typeId, false);
+    }
+
+    _stream->read(_sliceSize);
+    if(_sliceSize < 4)
+    {
+        throw UnmarshalOutOfBoundsException(__FILE__, __LINE__);
+    }
+    return _typeId;
+}
+
+void
+Ice::InputStream::EncapsDecoder10::endSlice()
+{
+}
+
+void
+Ice::InputStream::EncapsDecoder10::skipSlice()
+{
+    _stream->traceSkipSlice(_typeId, _sliceType);
+    assert(_sliceSize >= 4);
+    _stream->skip(_sliceSize - sizeof(Int));
+}
+
+void
+Ice::InputStream::EncapsDecoder10::readPendingObjects()
+{
+    Int num;
+    do
+    {
+        num = _stream->readSize();
+        for(Int k = num; k > 0; --k)
+        {
+            readInstance();
+        }
+    }
+    while(num);
+
+    if(!_patchMap.empty())
+    {
+        //
+        // If any entries remain in the patch map, the sender has sent an index for an object, but failed
+        // to supply the object.
+        //
+        throw MarshalException(__FILE__, __LINE__, "index for class received, but no instance");
+    }
+}
+
+void
+Ice::InputStream::EncapsDecoder10::readInstance()
+{
+    Int index;
+    _stream->read(index);
+
+    if(index <= 0)
+    {
+        throw MarshalException(__FILE__, __LINE__, "invalid object id");
+    }
+
+    _sliceType = ObjectSlice;
+    _skipFirstSlice = false;
+
+    //
+    // Read the first slice header.
+    //
+    startSlice();
+    const string mostDerivedId = _typeId;
+    ValuePtr v;
+    while(true)
+    {
+        //
+        // For the 1.0 encoding, the type ID for the base Object class
+        // marks the last slice.
+        //
+        if(_typeId == Object::ice_staticId())
+        {
+            throw NoValueFactoryException(__FILE__, __LINE__, "", mostDerivedId);
+        }
+
+        v = newInstance(_typeId);
+
+        //
+        // We found a factory, we get out of this loop.
+        //
+        if(v)
+        {
+            break;
+        }
+
+        //
+        // If object slicing is disabled, stop un-marshalling.
+        //
+        if(!_sliceObjects)
+        {
+            throw NoValueFactoryException(__FILE__, __LINE__, "no value factory found and object slicing is disabled",
+                                           _typeId);
+        }
+
+        //
+        // Slice off what we don't understand.
+        //
+        skipSlice();
+        startSlice(); // Read next Slice header for next iteration.
+    }
+
+    //
+    // Un-marshal the object and add-it to the map of un-marshaled objects.
+    //
+    unmarshal(index, v);
+}
+
+void
+Ice::InputStream::EncapsDecoder11::read(PatchFunc patchFunc, void* patchAddr)
+{
+    Int index = _stream->readSize();
+    if(index < 0)
+    {
+        throw MarshalException(__FILE__, __LINE__, "invalid object id");
+    }
+    else if(index == 0)
+    {
+        //
+        // Calling the patch function for null instances is necessary for correct functioning of Ice for
+        // Python and Ruby.
+        //
+        if(patchFunc)
+        {
+            ValuePtr nil;
+            patchFunc(patchAddr, nil);
+        }
+    }
+    else if(_current && _current->sliceFlags & FLAG_HAS_INDIRECTION_TABLE)
+    {
+        //
+        // When reading an object within a slice and there's an
+        // indirect object table, always read an indirect reference
+        // that points to an object from the indirect object table
+        // marshaled at the end of the Slice.
+        //
+        // Maintain a list of indirect references. Note that the
+        // indirect index starts at 1, so we decrement it by one to
+        // derive an index into the indirection table that we'll read
+        // at the end of the slice.
+        //
+        if(patchFunc)
+        {
+            IndirectPatchEntry e;
+            e.index = index - 1;
+            e.patchFunc = patchFunc;
+            e.patchAddr = patchAddr;
+            _current->indirectPatchList.push_back(e);
+        }
+    }
+    else
+    {
+        readInstance(index, patchFunc, patchAddr);
+    }
+}
+
+void
+Ice::InputStream::EncapsDecoder11::throwException(const UserExceptionFactoryPtr& factory)
+{
+    assert(!_current);
+
+    push(ExceptionSlice);
+
+    //
+    // Read the first slice header.
+    //
+    startSlice();
+    const string mostDerivedId = _current->typeId;
+    UserExceptionFactoryPtr exceptionFactory = factory;
+    while(true)
+    {
+        //
+        // Look for a statically-generated factory for this ID.
+        //
+        if(!exceptionFactory)
+        {
+            exceptionFactory = factoryTable->getExceptionFactory(_current->typeId);
+        }
+
+        //
+        // We found a factory, we get out of this loop.
+        //
+        if(exceptionFactory)
+        {
+            //
+            // Got factory -- ask the factory to instantiate the
+            // exception, initialize the exception members, and throw
+            // the exception.
+            //
+            try
+            {
+                exceptionFactory->createAndThrow(_current->typeId);
+            }
+            catch(UserException& ex)
+            {
+                ex.__read(_stream);
+                throw;
+
+                // Never reached.
+            }
+        }
+
+        //
+        // Slice off what we don't understand.
+        //
+        skipSlice();
+
+        //
+        // If this is the last slice, raise an exception and stop un-marshalling.
+        //
+        if(_current->sliceFlags & FLAG_IS_LAST_SLICE)
+        {
+            if(mostDerivedId.length() > 2 && mostDerivedId[0] == ':' && mostDerivedId[1] == ':')
+            {
+                throw UnknownUserException(__FILE__, __LINE__, mostDerivedId.substr(2));
+            }
+            else
+            {
+                throw UnknownUserException(__FILE__, __LINE__, mostDerivedId);
+            }
+        }
+
+        startSlice();
+    }
+}
+
+void
+#ifndef NDEBUG
+Ice::InputStream::EncapsDecoder11::startInstance(SliceType sliceType)
+#else
+Ice::InputStream::EncapsDecoder11::startInstance(SliceType)
+#endif
+{
+    assert(_current->sliceType == sliceType);
+    _current->skipFirstSlice = true;
+}
+
+SlicedDataPtr
+Ice::InputStream::EncapsDecoder11::endInstance(bool preserve)
+{
+    SlicedDataPtr slicedData;
+    if(preserve)
+    {
+        slicedData = readSlicedData();
+    }
+    _current->slices.clear();
+    _current->indirectionTables.clear();
+    _current = _current->previous;
+    return slicedData;
+}
+
+const std::string&
+Ice::InputStream::EncapsDecoder11::startSlice()
+{
+    //
+    // If first slice, don't read the header, it was already read in
+    // readInstance or throwException to find the factory.
+    //
+    if(_current->skipFirstSlice)
+    {
+        _current->skipFirstSlice = false;
+        return _current->typeId;
+    }
+
+    _stream->read(_current->sliceFlags);
+
+    //
+    // Read the type ID, for object slices the type ID is encoded as a
+    // string or as an index, for exceptions it's always encoded as a
+    // string.
+    //
+    if(_current->sliceType == ObjectSlice)
+    {
+        if((_current->sliceFlags & FLAG_HAS_TYPE_ID_COMPACT) == FLAG_HAS_TYPE_ID_COMPACT) // Must be checked first!
+        {
+            _current->typeId.clear();
+            _current->compactId = _stream->readSize();
+        }
+        else if(_current->sliceFlags & (FLAG_HAS_TYPE_ID_STRING | FLAG_HAS_TYPE_ID_INDEX))
+        {
+            _current->typeId = readTypeId(_current->sliceFlags & FLAG_HAS_TYPE_ID_INDEX);
+            _current->compactId = -1;
+        }
+        else
+        {
+            // Only the most derived slice encodes the type ID for the compact format.
+            _current->typeId.clear();
+            _current->compactId = -1;
+        }
+    }
+    else
+    {
+        _stream->read(_current->typeId, false);
+    }
+
+    //
+    // Read the slice size if necessary.
+    //
+    if(_current->sliceFlags & FLAG_HAS_SLICE_SIZE)
+    {
+        _stream->read(_current->sliceSize);
+        if(_current->sliceSize < 4)
+        {
+            throw UnmarshalOutOfBoundsException(__FILE__, __LINE__);
+        }
+    }
+    else
+    {
+        _current->sliceSize = 0;
+    }
+
+    return _current->typeId;
+}
+
+void
+Ice::InputStream::EncapsDecoder11::endSlice()
+{
+    if(_current->sliceFlags & FLAG_HAS_OPTIONAL_MEMBERS)
+    {
+        _stream->skipOpts();
+    }
+
+    //
+    // Read the indirect object table if one is present.
+    //
+    if(_current->sliceFlags & FLAG_HAS_INDIRECTION_TABLE)
+    {
+        IndexList indirectionTable(_stream->readAndCheckSeqSize(1));
+        for(IndexList::iterator p = indirectionTable.begin(); p != indirectionTable.end(); ++p)
+        {
+            *p = readInstance(_stream->readSize(), 0, 0);
+        }
+
+        //
+        // Sanity checks. If there are optional members, it's possible
+        // that not all object references were read if they are from
+        // unknown optional data members.
+        //
+        if(indirectionTable.empty())
+        {
+            throw MarshalException(__FILE__, __LINE__, "empty indirection table");
+        }
+        if(_current->indirectPatchList.empty() && !(_current->sliceFlags & FLAG_HAS_OPTIONAL_MEMBERS))
+        {
+            throw MarshalException(__FILE__, __LINE__, "no references to indirection table");
+        }
+
+        //
+        // Convert indirect references into direct references.
+        //
+        IndirectPatchList::iterator p;
+        for(p = _current->indirectPatchList.begin(); p != _current->indirectPatchList.end(); ++p)
+        {
+            assert(p->index >= 0);
+            if(p->index >= static_cast<Int>(indirectionTable.size()))
+            {
+                throw MarshalException(__FILE__, __LINE__, "indirection out of range");
+            }
+            addPatchEntry(indirectionTable[p->index], p->patchFunc, p->patchAddr);
+        }
+        _current->indirectPatchList.clear();
+    }
+}
+
+void
+Ice::InputStream::EncapsDecoder11::skipSlice()
+{
+    _stream->traceSkipSlice(_current->typeId, _current->sliceType);
+
+    Container::iterator start = _stream->i;
+
+    if(_current->sliceFlags & FLAG_HAS_SLICE_SIZE)
+    {
+        assert(_current->sliceSize >= 4);
+        _stream->skip(_current->sliceSize - sizeof(Int));
+    }
+    else
+    {
+        if(_current->sliceType == ObjectSlice)
+        {
+            throw NoValueFactoryException(__FILE__, __LINE__,
+                                          "no value factory found and compact format prevents "
+                                          "slicing (the sender should use the sliced format instead)",
+                                          _current->typeId);
+        }
+        else
+        {
+            if(_current->typeId.length() > 2 && _current->typeId[0] == ':' && _current->typeId[1] == ':')
+            {
+                throw UnknownUserException(__FILE__, __LINE__, _current->typeId.substr(2));
+            }
+            else
+            {
+                throw UnknownUserException(__FILE__, __LINE__, _current->typeId);
+            }
+        }
+    }
+
+    //
+    // Preserve this slice.
+    //
+    SliceInfoPtr info = ICE_MAKE_SHARED(SliceInfo);
+    info->typeId = _current->typeId;
+    info->compactId = _current->compactId;
+    info->hasOptionalMembers = _current->sliceFlags & FLAG_HAS_OPTIONAL_MEMBERS;
+    info->isLastSlice = _current->sliceFlags & FLAG_IS_LAST_SLICE;
+    if(info->hasOptionalMembers)
+    {
+        //
+        // Don't include the optional member end marker. It will be re-written by
+        // endSlice when the sliced data is re-written.
+        //
+        vector<Byte>(start, _stream->i - 1).swap(info->bytes);
+    }
+    else
+    {
+        vector<Byte>(start, _stream->i).swap(info->bytes);
+    }
+
+    _current->indirectionTables.push_back(IndexList());
+
+    //
+    // Read the indirect object table. We read the instances or their
+    // IDs if the instance is a reference to an already un-marhsaled
+    // object.
+    //
+    // The SliceInfo object sequence is initialized only if
+    // readSlicedData is called.
+    //
+    if(_current->sliceFlags & FLAG_HAS_INDIRECTION_TABLE)
+    {
+        IndexList& table = _current->indirectionTables.back();
+        table.resize(_stream->readAndCheckSeqSize(1));
+        for(IndexList::iterator p = table.begin(); p != table.end(); ++p)
+        {
+            *p = readInstance(_stream->readSize(), 0, 0);
+        }
+    }
+
+    _current->slices.push_back(info);
+}
+
+bool
+Ice::InputStream::EncapsDecoder11::readOpt(Ice::Int readTag, Ice::OptionalFormat expectedFormat)
+{
+    if(!_current)
+    {
+        return _stream->readOptImpl(readTag, expectedFormat);
+    }
+    else if(_current->sliceFlags & FLAG_HAS_OPTIONAL_MEMBERS)
+    {
+        return _stream->readOptImpl(readTag, expectedFormat);
+    }
+    return false;
+}
+
+Int
+Ice::InputStream::EncapsDecoder11::readInstance(Int index, PatchFunc patchFunc, void* patchAddr)
+{
+    assert(index > 0);
+
+    if(index > 1)
+    {
+        if(patchFunc)
+        {
+            addPatchEntry(index, patchFunc, patchAddr);
+        }
+        return index;
+    }
+
+    push(ObjectSlice);
+
+    //
+    // Get the object ID before we start reading slices. If some
+    // slices are skiped, the indirect object table are still read and
+    // might read other objects.
+    //
+    index = ++_objectIdIndex;
+
+    //
+    // Read the first slice header.
+    //
+    startSlice();
+    const string mostDerivedId = _current->typeId;
+    Ice::ValuePtr v;
+    while(true)
+    {
+        if(_current->compactId >= 0)
+        {
+            //
+            // Translate a compact (numeric) type ID into a string type ID.
+            //
+            _current->typeId = _stream->resolveCompactId(_current->compactId);
+            if(_current->typeId.empty())
+            {
+                _current->typeId = IceInternal::factoryTable->getTypeId(_current->compactId);
+            }
+        }
+
+        if(!_current->typeId.empty())
+        {
+            v = newInstance(_current->typeId);
+
+            //
+            // We found a factory, we get out of this loop.
+            //
+            if(v)
+            {
+                break;
+            }
+        }
+
+        //
+        // If object slicing is disabled, stop un-marshalling.
+        //
+        if(!_sliceObjects)
+        {
+            throw NoValueFactoryException(__FILE__, __LINE__, "no value factory found and object slicing is disabled",
+                                          _current->typeId);
+        }
+
+        //
+        // Slice off what we don't understand.
+        //
+        skipSlice();
+
+        //
+        // If this is the last slice, keep the object as an opaque UnknownSlicedObject.
+        //
+        if(_current->sliceFlags & FLAG_IS_LAST_SLICE)
+        {
+            //
+            // Provide a factory with an opportunity to supply the object.
+            // We pass the "::Ice::Object" ID to indicate that this is the
+            // last chance to preserve the object.
+            //
+            v = newInstance(Object::ice_staticId());
+            if(!v)
+            {
+                v = ICE_MAKE_SHARED(UnknownSlicedObject, mostDerivedId);
+            }
+
+            break;
+        }
+
+        startSlice(); // Read next Slice header for next iteration.
+    }
+
+    //
+    // Un-marshal the object
+    //
+    unmarshal(index, v);
+
+    if(!_current && !_patchMap.empty())
+    {
+        //
+        // If any entries remain in the patch map, the sender has sent an index for an object, but failed
+        // to supply the object.
+        //
+        throw MarshalException(__FILE__, __LINE__, "index for class received, but no instance");
+    }
+
+    if(patchFunc)
+    {
+        patchFunc(patchAddr, v);
+    }
+    return index;
+}
+
+SlicedDataPtr
+Ice::InputStream::EncapsDecoder11::readSlicedData()
+{
+    if(_current->slices.empty()) // No preserved slices.
+    {
+        return 0;
+    }
+
+    //
+    // The indirectionTables member holds the indirection table for
+    // each slice in slices.
+    //
+    assert(_current->slices.size() == _current->indirectionTables.size());
+    for(SliceInfoSeq::size_type n = 0; n < _current->slices.size(); ++n)
+    {
+        //
+        // We use the "objects" list in SliceInfo to hold references
+        // to the target objects. Note that the objects might not have
+        // been read yet in the case of a circular reference to an
+        // enclosing object.
+        //
+        const IndexList& table = _current->indirectionTables[n];
+        vector<ValuePtr>& objects = _current->slices[n]->objects;
+        objects.resize(table.size());
+        IndexList::size_type j = 0;
+        for(IndexList::const_iterator p = table.begin(); p != table.end(); ++p)
+        {
+#ifdef ICE_CPP11_MAPPING
+            addPatchEntry(*p, &patchHandle<Value>, &objects[j++]);
+#else
+            addPatchEntry(*p, &patchHandle<Object>, &objects[j++]);
+#endif
+        }
+    }
+    return ICE_MAKE_SHARED(SlicedData, _current->slices);
+}