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Diffstat (limited to 'TAO/tao/CDR.h')
| -rw-r--r-- | TAO/tao/CDR.h | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/TAO/tao/CDR.h b/TAO/tao/CDR.h deleted file mode 100644 index 4d7721a6b66..00000000000 --- a/TAO/tao/CDR.h +++ /dev/null @@ -1,293 +0,0 @@ -// This may look like C, but it's really -*- C++ -*- -// $Id$ - -// ============================================================================ -// -// = LIBRARY -// TAO -// -// = FILENAME -// CDR.h -// -// = DESCRIPTION -// Common Data Representation (CDR) marshaling streams. -// -// This implementation assumes that the native numeric -// representation is two's complement for integers, IEEE -// single/double for floats. Also that characters are in ISO -// Latin/1. -// -// Note that CDR itself makes no such assumptions, but this -// implementation makes such assumptions for reasons of -// efficiency. Careful enhancements could preserve that -// efficiency where the assumptions are true, yet still allow the -// code to work when they aren't true. -// -// The implementation expects that buffers are aligned according -// to the strongest CDR alignment restriction. -// -// NOTE: this does everything "CDR 1.1" does ... that is, it -// supports the five extended OMG-IDL data types in UNO Appendix -// A, which provide richer arithmetic types (64 bit integers, -// "quad precision" FP) and UNICODE-based characters and strings. -// Those types are not standard parts of OMG-IDL at this time. -// -// THREADING NOTE: CDR data structures must be protected against -// concurrent access by their owning thread. -// -// = AUTHOR -// Copyright 1994-1995 by Sun Microsystems, Inc. -// Many enhancements added by Aniruddha Gokhale and Carlos O'Ryan. -// -// ============================================================================ - -#ifndef TAO_CDR_H -#define TAO_CDR_H - -#include "tao/corbafwd.h" -#include "tao/Typecode.h" - -class TAO_Export TAO_OutputCDR : public ACE_OutputCDR -{ - // - // = TITLE - // A CDR stream for writing, i.e. for marshalling. - // - // = DESCRIPTION - // This class is based on the the CORBA spec for Java (98-02-29), - // java class omg.org.CORBA.portable.OutputStream. - // It diverts in a few ways: - // + Operations taking arrays don't have offsets, because in C++ - // it is easier to describe an array starting from x+offset. - // + Operations return an error status, because exceptions are - // not widely available in C++ (yet). - // - // A particularly useful static member function for this buffer is - // an interpretive encoding routine, usable as a typecode - // interpreter callback. Ditto for decoding. These are used to - // support all OMG-IDL datatypes, even those not supported - // directly by put/get primitives. - // -public: - friend class TAO_InputCDR; - // For reading from a output CDR stream. - - // The default values for the allocators and memcpy_tradeoff - // in these constructors are not 0, but are generated by the - // ORB. Refer to the constructor bodies in CDR.cpp for the - // code that supplies these values to the base class constructor. - - TAO_OutputCDR (size_t size = 0, - int byte_order = ACE_CDR_BYTE_ORDER, - ACE_Allocator* buffer_allocator = 0, - ACE_Allocator* data_block_allocator = 0, - size_t memcpy_tradeoff = 0); - // Default constructor, allocates <size> bytes in the internal - // buffer, if <size> == 0 it allocates the default size. - - TAO_OutputCDR (char *data, - size_t size, - int byte_order = ACE_CDR_BYTE_ORDER, - ACE_Allocator* buffer_allocator = 0, - ACE_Allocator* data_block_allocator = 0, - size_t memcpy_tradeoff = 0); - // Build a CDR stream with an initial buffer, it will *not* remove - // <data>, since it did not allocated it. - - TAO_OutputCDR (ACE_Message_Block *data, - int byte_order = ACE_CDR_BYTE_ORDER, - size_t memcpy_tradeoff = 0); - // Build a CDR stream with an initial Message_Block chain, it will *not* - // remove <data>, since it did not allocate it. - - ~TAO_OutputCDR (void); - // destructor - - CORBA::TypeCode::traverse_status append (CORBA::TypeCode_ptr tc, - TAO_InputCDR *src, - CORBA_Environment &TAO_IN_ENV = - CORBA::default_environment ()); - // Append the contents of the CDR stream based on information - // described by <tc>; returning any errors in <TAO_IN_ENV>. - - // @@ TODO: do we want a special method to write an array of - // strings and wstrings? - - // = TAO specific methods. - - CORBA::TypeCode::traverse_status encode (CORBA::TypeCode_ptr tc, - const void *data, - const void *, - CORBA_Environment &TAO_IN_ENV = - CORBA::default_environment ()); - // Marshalls the contents of <data> as described by the TypeCode in - // <tc>. Any errors are reported though the <TAO_IN_ENV> parameter. - -private: - TAO_OutputCDR (const TAO_OutputCDR& rhs); - TAO_OutputCDR& operator= (const TAO_OutputCDR& rhs); - // disallow copying... -}; - -class TAO_Export TAO_InputCDR : public ACE_InputCDR -{ - // - // = TITLE - // A CDR stream for reading, i.e. for demarshalling. - // - // = DESCRIPTION - // This class is based on the the CORBA spec for Java (98-02-29), - // java class omg.org.CORBA.portable.InputStream. - // It diverts in a few ways: - // + Operations to retrieve basic types take parameters by - // reference. - // + Operations taking arrays don't have offsets, because in C++ - // it is easier to describe an array starting from x+offset. - // + Operations return an error status, because exceptions are - // not widely available in C++ (yet). - // - // A particularly useful static member function for this buffer is - // an interpretive encoding routine, usable as a typecode - // interpreter callback. Ditto for decoding. These are used to - // support all OMG-IDL datatypes, even those not supported - // directly by put/get primitives. -public: - friend class TAO_GIOP; - // This class is able to "read" an InputCDR from a socket. - - TAO_InputCDR (const char* buf, - size_t bufsiz, - int byte_order = ACE_CDR_BYTE_ORDER); - // Create an input stream from an arbitrary buffer, care must be - // exercised wrt alignment, because this contructor will *not* work - // if the buffer is unproperly aligned. - - TAO_InputCDR (size_t bufsiz, - int byte_order = ACE_CDR_BYTE_ORDER); - // Create an empty input stream. The caller is responsible for - // putting the right data and providing the right alignment. - - TAO_InputCDR (ACE_Message_Block *data, - int byte_order = ACE_CDR_BYTE_ORDER); - // Create an input stream from an ACE_Message_Block - - TAO_InputCDR (ACE_Data_Block *data, - int byte_order = ACE_CDR_BYTE_ORDER); - // Create an input stream from an ACE_Data_Block - - TAO_InputCDR (const TAO_InputCDR& rhs); - // Make a copy of the current stream state, but does not copy the - // internal buffer; so the same stream can be read multiple times - // efficiently. - - TAO_InputCDR (const TAO_InputCDR& rhs, - size_t size, - CDR::Long offset); - // When interpreting indirected TypeCodes it is useful to make a - // "copy" of the stream starting in the new position. - - TAO_InputCDR (const TAO_InputCDR& rhs, - size_t size); - // This creates an encapsulated stream, the first byte must be (per - // the spec) the byte order of the encapsulation. - - // The default values for the allocators - // in this constructor are not 0, but are generated by the - // ORB. Refer to the constructor body in CDR.cpp for the - // code that supplies these values to the base class constructor. - - TAO_InputCDR (const TAO_OutputCDR& rhs, - ACE_Allocator* buffer_allocator = 0, - ACE_Allocator* data_block_allocator = 0); - // Create an input CDR from an output CDR. - - ~TAO_InputCDR (void); - // destructor - - // = TAO specific methods. - - CORBA::TypeCode::traverse_status decode ( - CORBA::TypeCode_ptr tc, - const void *data, - const void *, - CORBA_Environment &TAO_IN_ENV = - CORBA::default_environment ()); - // Demarshall the contents of the CDR stream into <data> as - // described by <tc>; returning any errors in <TAO_IN_ENV>. - - CORBA::TypeCode::traverse_status skip ( - CORBA::TypeCode_ptr tc, - CORBA_Environment &TAO_IN_ENV = - CORBA::default_environment ()); - // Skip the contents of the CDR stream based on information - // described by <tc>; returning any errors in <TAO_IN_ENV>. -}; - -// This operators are too complex to be inline.... -extern TAO_Export CORBA::Boolean operator<< (TAO_OutputCDR& cdr, - const CORBA::Any &x); -extern TAO_Export CORBA::Boolean operator<< (TAO_OutputCDR& cdr, - const CORBA::Object *x); -extern TAO_Export CORBA::Boolean operator<< (TAO_OutputCDR& cdr, - const CORBA::TypeCode *x); - -extern TAO_Export CORBA::Boolean operator>> (TAO_InputCDR& cdr, - CORBA::Any &x); -extern TAO_Export CORBA::Boolean operator>> (TAO_InputCDR& cdr, - CORBA::Object *&x); -extern TAO_Export CORBA::Boolean operator>> (TAO_InputCDR& cdr, - CORBA::TypeCode *&x); - -#if defined(__ACE_INLINE__) -# include "tao/CDR.i" -#else - -// CDR output operators for CORBA types - -extern TAO_Export CORBA::Boolean operator<< (TAO_OutputCDR &os, - CORBA::Short x); -extern TAO_Export CORBA::Boolean operator<< (TAO_OutputCDR &os, - CORBA::UShort x); -extern TAO_Export CORBA::Boolean operator<< (TAO_OutputCDR &os, - CORBA::Long x); -extern TAO_Export CORBA::Boolean operator<< (TAO_OutputCDR &os, - CORBA::ULong x); -extern TAO_Export CORBA::Boolean operator<< (TAO_OutputCDR &os, - CORBA::LongLong x); -extern TAO_Export CORBA::Boolean operator<< (TAO_OutputCDR &os, - CORBA::ULongLong x); -extern TAO_Export CORBA::Boolean operator<< (TAO_OutputCDR& os, - CORBA::LongDouble x); -extern TAO_Export CORBA::Boolean operator<< (TAO_OutputCDR &os, - CORBA::Float x); -extern TAO_Export CORBA::Boolean operator<< (TAO_OutputCDR &os, - CORBA::Double x); -extern TAO_Export CORBA::Boolean operator<< (TAO_OutputCDR &os, - const CORBA::Char* x); - -// CDR input operators for CORBA types - -extern TAO_Export CORBA::Boolean operator>> (TAO_InputCDR &is, - CORBA::Short &x); -extern TAO_Export CORBA::Boolean operator>> (TAO_InputCDR &is, - CORBA::UShort &x); -extern TAO_Export CORBA::Boolean operator>> (TAO_InputCDR &is, - CORBA::Long &x); -extern TAO_Export CORBA::Boolean operator>> (TAO_InputCDR &is, - CORBA::ULong &x); -extern TAO_Export CORBA::Boolean operator>> (TAO_InputCDR &is, - CORBA::LongLong &x); -extern TAO_Export CORBA::Boolean operator>> (TAO_InputCDR &is, - CORBA::ULongLong &x); -extern TAO_Export CORBA::Boolean operator>> (TAO_InputCDR &is, - CORBA::LongDouble &x); -extern TAO_Export CORBA::Boolean operator>> (TAO_InputCDR &is, - CORBA::Float &x); -extern TAO_Export CORBA::Boolean operator>> (TAO_InputCDR &is, - CORBA::Double &x); -extern TAO_Export CORBA::Boolean operator>> (TAO_InputCDR &is, - CORBA::Char* &x); - -#endif /* __ACE_INLINE */ - -#endif /* TAO_CDR_H */ |