Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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/**
* @file rubycontainer_extended.swg
* @author gga
* @date Sat May 5 05:36:01 2007
*
* @brief This file contains additional functions that make containers
* behave closer to ruby primitive types.
* However, some of these functions place some restrictions on
* the underlying object inside of the container and the iterator
* (that it has to have an == comparison function, that it has to have
* an = assignment operator, etc).
*
*/
/**
* Macro used to add extend functions that require operator== in object.
*
* @param Container STL container
* @param Type class inside container
*
*/
%define %swig_container_with_equal_operator( Container, Type )
VALUE __delete__( const Type& val ) {
VALUE r = Qnil;
Container<Type >::iterator e = $self->end();
Container<Type >::iterator i = std::remove( $self->begin(), e, val );
// remove dangling elements now
$self->erase( i, e );
if ( i != e )
r = swig::from< Type >( val );
else if ( rb_block_given_p() )
r = rb_yield(Qnil);
return r;
}
%enddef // end of %swig_container_with_equal_operator
/**
* Macro used to add extend functions that require the assignment
* operator (ie. = ) of contained class
*
* @param Container STL container
* @param Type class inside container
*
*/
%define %swig_container_with_assignment( Container, Type )
//
// map! -- the equivalent of std::transform
//
Container< Type >* map_bang() {
if ( !rb_block_given_p() )
rb_raise( rb_eArgError, "No block given" );
VALUE r = Qnil;
Container< Type >::iterator i = $self->begin();
Container< Type >::iterator e = $self->end();
try {
for ( ; i != e; ++i )
{
r = swig::from< Type >( *i );
r = rb_yield( r );
*i = swig::as< Type >( r );
}
}
catch ( const std::invalid_argument& )
{
rb_raise(rb_eTypeError,
"Yield block did not return a valid element for " #Container);
}
return $self;
}
%enddef // end of %swig_container_with_assignment
/**
* Macro used to add all extended functions to a container
*
* @param Container STL container
* @param Type class inside container
*
*/
%define %swig_container_extend( Container, Type )
%extend Container< Type > {
%swig_container_with_assignment( %arg(Container), Type );
%swig_container_with_equal_operator( %arg(Container), Type );
}
%enddef
/**
* Private macro used to add all extended functions to C/C++
* primitive types
*
* @param Container an STL container, like std::vector (with no class template)
*
*/
%define %__swig_container_extend_primtypes( Container )
%swig_container_extend( %arg( Container ), bool );
%swig_container_extend( %arg( Container ), char );
%swig_container_extend( %arg( Container ), short );
%swig_container_extend( %arg( Container ), int );
%swig_container_extend( %arg( Container ), unsigned short );
%swig_container_extend( %arg( Container ), unsigned int );
%swig_container_extend( %arg( Container ), float );
%swig_container_extend( %arg( Container ), double );
%swig_container_extend( %arg( Container ), std::complex );
%swig_container_extend( %arg( Container ), std::string );
%swig_container_extend( %arg( Container ), swig::GC_VALUE );
%swig_container_extend( %arg( Container ), swig::GC_VALUE );
%enddef
%__swig_container_extend_primtypes( std::vector );
%__swig_container_extend_primtypes( std::deque );
%__swig_container_extend_primtypes( std::list );