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Filename : cxxsupport.cxx
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//-----------------------------------------------------------------------------
//
// Copyright (c) 1998 - 2007, The Regents of the University of California
// Produced at the Lawrence Livermore National Laboratory
// All rights reserved.
//
// This file is part of PyCXX. For details,see http://cxx.sourceforge.net/. The
// full copyright notice is contained in the file COPYRIGHT located at the root
// of the PyCXX distribution.
//
// Redistribution  and  use  in  source  and  binary  forms,  with  or  without
// modification, are permitted provided that the following conditions are met:
//
//  - Redistributions of  source code must  retain the above  copyright notice,
//    this list of conditions and the disclaimer below.
//  - Redistributions in binary form must reproduce the above copyright notice,
//    this  list of  conditions  and  the  disclaimer (as noted below)  in  the
//    documentation and/or materials provided with the distribution.
//  - Neither the name of the UC/LLNL nor  the names of its contributors may be
//    used to  endorse or  promote products derived from  this software without
//    specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT  HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR  IMPLIED WARRANTIES, INCLUDING,  BUT NOT  LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND  FITNESS FOR A PARTICULAR  PURPOSE
// ARE  DISCLAIMED.  IN  NO  EVENT  SHALL  THE  REGENTS  OF  THE  UNIVERSITY OF
// CALIFORNIA, THE U.S.  DEPARTMENT  OF  ENERGY OR CONTRIBUTORS BE  LIABLE  FOR
// ANY  DIRECT,  INDIRECT,  INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT  LIMITED TO, PROCUREMENT OF  SUBSTITUTE GOODS OR
// SERVICES; LOSS OF  USE, DATA, OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER
// CAUSED  AND  ON  ANY  THEORY  OF  LIABILITY,  WHETHER  IN  CONTRACT,  STRICT
// LIABILITY, OR TORT  (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING IN ANY  WAY
// OUT OF THE  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
// DAMAGE.
//
//-----------------------------------------------------------------------------

#include "CXX/Objects.hxx"
namespace Py 
{

Py_UNICODE unicode_null_string[1] = { 0 };

Type Object::type() const
{ 
    return Type( PyObject_Type( p ), true );
}

String Object::str() const
{
    return String( PyObject_Str( p ), true );
}

String Object::repr() const
{ 
    return String( PyObject_Repr( p ), true );
}

std::string Object::as_string() const
{
    return static_cast<std::string>( str() );
}

List Object::dir() const
{
    return List( PyObject_Dir( p ), true );
}

bool Object::isType( const Type &t ) const
{ 
    return type().ptr() == t.ptr();
}

Char::operator String() const
{
    return String( ptr() );
}

String Bytes::decode( const char *encoding, const char *error )
{
    return String( PyUnicode_FromEncodedObject( ptr(), encoding, error ), true );
}

// Object compares
bool operator==( const Object &o1, const Object &o2 )
{
    int k = PyObject_RichCompareBool( *o1, *o2, Py_EQ );
    if( PyErr_Occurred() )
        throw Exception();
    return k != 0;
}

bool operator!=( const Object &o1, const Object &o2 )
{
    int k = PyObject_RichCompareBool( *o1, *o2, Py_NE );
    if( PyErr_Occurred() )
        throw Exception();
    return k != 0;

}

bool operator>=( const Object &o1, const Object &o2 )
{
    int k = PyObject_RichCompareBool( *o1, *o2, Py_GE );
    if( PyErr_Occurred() )
        throw Exception();
    return k != 0;
}

bool operator<=( const Object &o1, const Object &o2 )
{
    int k = PyObject_RichCompareBool( *o1, *o2, Py_LE );
    if( PyErr_Occurred() )
        throw Exception();
    return k != 0;
}

bool operator<( const Object &o1, const Object &o2 )
{
    int k = PyObject_RichCompareBool( *o1, *o2, Py_LT );
    if( PyErr_Occurred() )
        throw Exception();
    return k != 0;
}

bool operator>( const Object &o1, const Object &o2 )
{
    int k = PyObject_RichCompareBool( *o1, *o2, Py_GT );
    if( PyErr_Occurred() )
        throw Exception();
    return k != 0;
}

// iterator compares
bool operator==( const Sequence::iterator &left, const Sequence::iterator &right )
{
    return left.eql( right );
}

bool operator!=( const Sequence::iterator &left, const Sequence::iterator &right )
{
    return left.neq( right );
}

bool operator<( const Sequence::iterator &left, const Sequence::iterator &right )
{
    return left.lss( right );
}

bool operator>( const Sequence::iterator &left, const Sequence::iterator &right )
{
    return left.gtr( right );
}

bool operator<=( const Sequence::iterator &left, const Sequence::iterator &right )
{
    return left.leq( right );
}

bool operator>=( const Sequence::iterator &left, const Sequence::iterator &right )
{
    return left.geq( right );
}

// const_iterator compares
bool operator==( const Sequence::const_iterator &left, const Sequence::const_iterator &right )
{
    return left.eql( right );
}

bool operator!=( const Sequence::const_iterator &left, const Sequence::const_iterator &right )
{
    return left.neq( right );
}

bool operator<( const Sequence::const_iterator &left, const Sequence::const_iterator &right )
{
    return left.lss( right );
}

bool operator>( const Sequence::const_iterator &left, const Sequence::const_iterator &right )
{
    return left.gtr( right );
}

bool operator<=( const Sequence::const_iterator &left, const Sequence::const_iterator &right )
{
    return left.leq( right );
}

bool operator>=( const Sequence::const_iterator &left, const Sequence::const_iterator &right )
{
    return left.geq( right );
}

// For mappings:
bool operator==( const Mapping::iterator &left, const Mapping::iterator &right )
{
    return left.eql( right );
}

bool operator!=( const Mapping::iterator &left, const Mapping::iterator &right )
{
    return left.neq( right );
}

// now for const_iterator
bool operator==( const Mapping::const_iterator &left, const Mapping::const_iterator &right )
{
    return left.eql( right );
}

bool operator!=( const Mapping::const_iterator &left, const Mapping::const_iterator &right )
{
    return left.neq( right );
}

// TMM: 31May'01 - Added the #ifndef so I can exclude iostreams.
#ifndef CXX_NO_IOSTREAMS
// output

std::ostream &operator<<( std::ostream &os, const Object &ob )
{
    return( os << static_cast<std::string>( ob.str() ) );
}  
#endif

} // Py