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// **********************************************************************
//
// Copyright (c) 2003-2005 ZeroC, Inc. All rights reserved.
//
// This copy of Ice-E is licensed to you under the terms described in the
// ICEE_LICENSE file included in this distribution.
//
// **********************************************************************
#ifndef ICEE_BASIC_STREAM_H
#define ICEE_BASIC_STREAM_H
#include <IceE/ProxyF.h>
#include <IceE/Buffer.h>
#include <IceE/AutoArray.h>
namespace Ice
{
class UserException;
}
namespace IceInternal
{
class Instance;
class ICE_API BasicStream : public Buffer
{
public:
BasicStream(Instance*);
~BasicStream();
//
// Must return Instance*, because we don't hold an InstancePtr for
// optimization reasons (see comments below).
//
Instance* instance() const;
void swap(BasicStream&);
void resize(Container::size_type sz)
{
if(sz > _messageSizeMax)
{
throwMemoryLimitException(__FILE__, __LINE__);
}
b.resize(sz);
}
void startSeq(int, int);
void checkSeq();
void checkSeq(int);
void checkFixedSeq(int, int); // For sequences of fixed-size types.
void endElement()
{
assert(_seqDataStack);
--_seqDataStack->numElements;
}
void endSeq(int);
void startWriteEncaps();
void endWriteEncaps();
void startReadEncaps();
void endReadEncaps();
void checkReadEncaps();
Ice::Int getReadEncapsSize();
void skipEncaps();
void startWriteSlice();
void endWriteSlice();
void startReadSlice();
void endReadSlice();
void skipSlice();
void writeSize(Ice::Int);
void readSize(Ice::Int&);
void writeBlob(const std::vector<Ice::Byte>&);
void readBlob(std::vector<Ice::Byte>&, Ice::Int);
void writeBlob(const Ice::Byte*, Container::size_type);
void readBlob(Ice::Byte*, Container::size_type);
void write(Ice::Byte v)
{
b.push_back(v);
}
void read(Ice::Byte& v)
{
if(i >= b.end())
{
throwUnmarshalOutOfBoundsException(__FILE__, __LINE__);
}
v = *i++;
}
void write(const Ice::Byte*, const Ice::Byte*);
void read(std::pair<const Ice::Byte*, const Ice::Byte*>&);
void write(bool v)
{
b.push_back(static_cast<Ice::Byte>(v));
}
void write(const std::vector<bool>&);
void write(const bool*, const bool*);
void read(bool& v)
{
if(i >= b.end())
{
throwUnmarshalOutOfBoundsException(__FILE__, __LINE__);
}
v = *i++;
}
void read(std::vector<bool>&);
void read(std::pair<const bool*, const bool*>&, IceUtil::auto_array<bool>&);
void write(Ice::Short);
void read(Ice::Short&);
void write(const Ice::Short*, const Ice::Short*);
void read(std::vector<Ice::Short>&);
void read(std::pair<const Ice::Short*, const Ice::Short*>&, IceUtil::auto_array<Ice::Short>&);
void write(Ice::Int);
void read(Ice::Int&);
void write(const Ice::Int*, const Ice::Int*);
void read(std::vector<Ice::Int>&);
void read(std::pair<const Ice::Int*, const Ice::Int*>&, IceUtil::auto_array<Ice::Int>&);
void write(Ice::Long);
void read(Ice::Long&);
void write(const Ice::Long*, const Ice::Long*);
void read(std::vector<Ice::Long>&);
void read(std::pair<const Ice::Long*, const Ice::Long*>&, IceUtil::auto_array<Ice::Long>&);
void write(Ice::Float);
void read(Ice::Float&);
void write(const Ice::Float*, const Ice::Float*);
void read(std::vector<Ice::Float>&);
void read(std::pair<const Ice::Float*, const Ice::Float*>&, IceUtil::auto_array<Ice::Float>&);
void write(Ice::Double);
void read(Ice::Double&);
void write(const Ice::Double*, const Ice::Double*);
void read(std::vector<Ice::Double>&);
void read(std::pair<const Ice::Double*, const Ice::Double*>&, IceUtil::auto_array<Ice::Double>&);
//
// NOTE: This function is not implemented. It is declared here to
// catch programming errors that assume a call such as write("")
// will invoke write(const std::string&), when in fact the compiler
// will silently select a different overloading. A link error is the
// intended result.
//
void write(const char*);
void write(const std::string&);
void write(const std::string*, const std::string*);
void read(std::string&);
void read(std::vector<std::string>&);
void write(const Ice::ObjectPrx&);
void read(Ice::ObjectPrx&);
void write(const Ice::UserException&);
void throwException();
private:
//
// I can't throw these exception from inline functions from within
// this file, because I cannot include the header with the
// exceptions. Doing so would screw up the whole include file
// ordering.
//
void throwUnmarshalOutOfBoundsException(const char*, int);
void throwMemoryLimitException(const char*, int);
//
// Optimization. The instance may not be deleted while a
// stack-allocated BasicStream still holds it.
//
Instance* _instance;
class ICE_API ReadEncaps : private ::IceUtil::noncopyable
{
public:
ReadEncaps();
~ReadEncaps();
void reset();
void swap(ReadEncaps&);
Container::size_type start;
Ice::Int sz;
Ice::Byte encodingMajor;
Ice::Byte encodingMinor;
ReadEncaps* previous;
};
class ICE_API WriteEncaps : private ::IceUtil::noncopyable
{
public:
WriteEncaps();
~WriteEncaps();
void reset();
void swap(WriteEncaps&);
Container::size_type start;
Ice::Int writeIndex;
WriteEncaps* previous;
};
ReadEncaps* _currentReadEncaps;
WriteEncaps* _currentWriteEncaps;
ReadEncaps _preAllocatedReadEncaps;
WriteEncaps _preAllocatedWriteEncaps;
Container::size_type _readSlice;
Container::size_type _writeSlice;
const Container::size_type _messageSizeMax;
struct SeqData
{
SeqData(int, int);
int numElements;
int minSize;
SeqData* previous;
};
SeqData* _seqDataStack;
};
} // End namespace IceInternal
#endif
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