Object_KeyC.cpp

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// -*- C++ -*-
//
// $Id: Object_KeyC.cpp 79002 2007-07-23 19:38:05Z zhangw $

// ****  Code generated by the The ACE ORB (TAO) IDL Compiler ****
// TAO and the TAO IDL Compiler have been developed by:
//       Center for Distributed Object Computing
//       Washington University
//       St. Louis, MO
//       USA
//       http://www.cs.wustl.edu/~schmidt/doc-center.html
// and
//       Distributed Object Computing Laboratory
//       University of California at Irvine
//       Irvine, CA
//       USA
//       http://doc.ece.uci.edu/
// and
//       Institute for Software Integrated Systems
//       Vanderbilt University
//       Nashville, TN
//       USA
//       http://www.isis.vanderbilt.edu/
//
// Information about TAO is available at:
//     http://www.cs.wustl.edu/~schmidt/TAO.html

// TAO_IDL - Generated from
// be\be_codegen.cpp:291


#include "tao/Object_KeyC.h"
#include "tao/CDR.h"
#include "tao/ORB_Core.h"

#if defined (__BORLANDC__)
#pragma option -w-rvl -w-rch -w-ccc -w-aus -w-sig
#endif /* __BORLANDC__ */

#include "ace/ACE.h"
#include "ace/Truncate.h"
#include "ace/OS_NS_string.h"
#include "ace/os_include/os_ctype.h"

// TAO_IDL - Generated from
// be\be_visitor_arg_traits.cpp:70

TAO_BEGIN_VERSIONED_NAMESPACE_DECL

// Arg traits specializations.
namespace TAO
{
}


// TAO_IDL - Generated from
// be\be_visitor_sequence/sequence_cs.cpp:65

#if !defined (_TAO_OBJECTKEY_CS_)
#define _TAO_OBJECTKEY_CS_

TAO::ObjectKey::ObjectKey (void)
{}

TAO::ObjectKey::ObjectKey (
    CORBA::ULong max
  )
  : TAO::unbounded_value_sequence<
        CORBA::Octet
      >
    (max)
{}

TAO::ObjectKey::ObjectKey (
    CORBA::ULong max,
    CORBA::ULong length,
    CORBA::Octet * buffer,
    CORBA::Boolean release
  )
  : TAO::unbounded_value_sequence<
        CORBA::Octet
      >
    (max, length, buffer, release)
{}

TAO::ObjectKey::ObjectKey (
    const ObjectKey &seq
  )
  : TAO::unbounded_value_sequence<
        CORBA::Octet
      >
    (seq)
{}

TAO::ObjectKey::~ObjectKey (void)
{}

// Hand crafted.

void
TAO::ObjectKey::encode_sequence_to_string (char* & str,
                                           TAO::unbounded_value_sequence<CORBA::Octet> const & seq)
{
  // We must allocate a buffer which is (gag) 3 times the length
  // of the sequence, which is the length required in the worst-case
  // scenario of all non-printable characters.
  //
  // There are two strategies here...we could allocate all that space here,
  // fill it up, then copy-allocate new space of just the right length.
  // OR, we could just return this space.  The classic time-space tradeoff,
  // and for now we'll let time win out, which means that we only do the
  // allocation once.
  CORBA::ULong const seq_len = seq.length ();
  CORBA::ULong const len = 3 * seq_len; /* space for zero termination
                                           not needed */
  str = CORBA::string_alloc (len);

  char * const eos = str + len;
  char *       cp  = str;

  for (CORBA::ULong i = 0;
       cp < eos && i < seq_len;
       ++i)
    {
      unsigned char bt = seq[i];
      if (is_legal (bt))
        {
          *cp++ = static_cast<char> (bt);
          continue;
        }

      *cp++ = '%';
      *cp++ = static_cast<char> (ACE::nibble2hex ((bt >> 4) & 0x0f));
      *cp++ = static_cast<char> (ACE::nibble2hex (bt & 0x0f));
    }
  // Zero terminate
  *cp = '\0';
}

CORBA::Boolean
TAO::ObjectKey::is_legal (unsigned char c)
{
  if (isalnum (c))
  {
    return true;
  }
  else
  {
    return ( c == ';' || c == '/' ||c == ':' || c == '?' ||
             c == '@' || c == '&' ||c == '=' || c == '+' ||
             c == '$' || c == ',' ||c == '_' || c == '.' ||
             c == '!' || c == '~' ||c == '*' || c == '\'' ||
             c == '-' || c == '(' || c == ')' );
  }
}

void
TAO::ObjectKey::decode_string_to_sequence (
  TAO::unbounded_value_sequence<CORBA::Octet> & seq,
  char const * str)
{
  if (str == 0)
    {
      seq.length (0);
      return;
    }

  size_t const str_len = ACE_OS::strlen (str);

  // Ensure sequence length value does not exceed maximum value for
  // sequence index type (CORBA::ULong).  This is mostly an issue for
  // 64-bit MS Windows builds.
  CORBA::ULong const len =
    ACE_Utils::truncate_cast<CORBA::ULong> (str_len);
  
  char const * const eos = str + str_len;
  char const *       cp  = str;

  // Set the length of the sequence to be as long as we'll possibly
  // need...we'll reset it to the actual length later.
  seq.length (len);

  CORBA::ULong i = 0;
  for (;
       cp < eos && i < len;
       ++i)
    {
      if (*cp == '%' || *cp == '\\')
        {
          // This is an escaped non-printable,
          // so we decode the hex values into
          // the sequence's octet
          seq[i]  = static_cast<CORBA::Octet> (ACE::hex2byte (cp[1]) << 4);
          seq[i] |= static_cast<CORBA::Octet> (ACE::hex2byte (cp[2]));
          cp += 3;
        }
      else
        // Copy it in
        seq[i] = *cp++;
    }

  // Set the length appropriately
  seq.length (i);
}

/*static*/ CORBA::Boolean
TAO::ObjectKey::demarshal_key (TAO::ObjectKey &key,
                               TAO_InputCDR &strm)
{
  CORBA::ULong _tao_seq_len;

  if (strm >> _tao_seq_len)
    {
      // Add a check to the length of the sequence
      // to make sure it does not exceed the length
      // of the stream. (See bug 58.)
      if (_tao_seq_len > strm.length ())
        {
          return 0;
        }

      // Set the length of the sequence.
      key.length (_tao_seq_len);

      // If length is 0 we return true.
      if (0 >= _tao_seq_len)
        {
          return 1;
        }

      // Retrieve all the elements.
#if (TAO_NO_COPY_OCTET_SEQUENCES == 1)
      if (ACE_BIT_DISABLED (strm.start ()->flags (),
      ACE_Message_Block::DONT_DELETE))
      {
        key.replace (_tao_seq_len, strm.start ());
        key.mb ()->wr_ptr (key.mb()->rd_ptr () + _tao_seq_len);
        strm.skip_bytes (_tao_seq_len);
        return 1;
      }
      return strm.read_octet_array (key.get_buffer (),
                                    _tao_seq_len);
#else /* TAO_NO_COPY_OCTET_SEQUENCES == 0 */
      return strm.read_octet_array (key.get_buffer (), key.length ());
#endif /* TAO_NO_COPY_OCTET_SEQUENCES == 0 */

    }
  return 0;
}

#endif /* end #if !defined */

// TAO_IDL - Generated from
// be\be_visitor_sequence/cdr_op_cs.cpp:96

#if !defined _TAO_CDR_OP_TAO_ObjectKey_CPP_
#define _TAO_CDR_OP_TAO_ObjectKey_CPP_

CORBA::Boolean operator<< (
    TAO_OutputCDR &strm,
    const TAO::ObjectKey &_tao_sequence
  )
{
  return TAO::marshal_sequence(strm, _tao_sequence);
}

CORBA::Boolean operator>> (
    TAO_InputCDR &strm,
    TAO::ObjectKey &_tao_sequence
  )
{
  return TAO::demarshal_sequence(strm, _tao_sequence);
}

#endif /* _TAO_CDR_OP_TAO_ObjectKey_CPP_ */

TAO_END_VERSIONED_NAMESPACE_DECL

---