Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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/*
Pairs
*/
%include <rubystdcommon.swg>
//#define SWIG_STD_PAIR_ASVAL
%fragment("StdPairTraits","header",fragment="StdTraits") {
namespace swig {
template <class T, class U >
struct traits_asval<std::pair<T,U> > {
typedef std::pair<T,U> value_type;
static int get_pair(VALUE first, VALUE second,
std::pair<T,U> *val)
{
if (val) {
T *pfirst = &(val->first);
int res1 = swig::asval((VALUE)first, pfirst);
if (!SWIG_IsOK(res1)) return res1;
U *psecond = &(val->second);
int res2 = swig::asval((VALUE)second, psecond);
if (!SWIG_IsOK(res2)) return res2;
return res1 > res2 ? res1 : res2;
} else {
T *pfirst = 0;
int res1 = swig::asval((VALUE)first, pfirst);
if (!SWIG_IsOK(res1)) return res1;
U *psecond = 0;
int res2 = swig::asval((VALUE)second, psecond);
if (!SWIG_IsOK(res2)) return res2;
return res1 > res2 ? res1 : res2;
}
}
static int asval(VALUE obj, std::pair<T,U> *val) {
int res = SWIG_ERROR;
if ( TYPE(obj) == T_ARRAY ) {
if (RARRAY_LEN(obj) == 2) {
VALUE first = rb_ary_entry(obj,0);
VALUE second = rb_ary_entry(obj,1);
res = get_pair(first, second, val);
}
} else {
value_type *p;
res = SWIG_ConvertPtr(obj,(void**)&p,
swig::type_info<value_type>(),0);
if (SWIG_IsOK(res) && val) *val = *p;
}
return res;
}
};
template <class T, class U >
struct traits_asptr<std::pair<T,U> > {
typedef std::pair<T,U> value_type;
static int get_pair(VALUE first, VALUE second,
std::pair<T,U> **val)
{
if (val) {
value_type *vp = %new_instance(std::pair<T,U>);
T *pfirst = &(vp->first);
int res1 = swig::asval((VALUE)first, pfirst);
if (!SWIG_IsOK(res1)) return res1;
U *psecond = &(vp->second);
int res2 = swig::asval((VALUE)second, psecond);
if (!SWIG_IsOK(res2)) return res2;
*val = vp;
return SWIG_AddNewMask(res1 > res2 ? res1 : res2);
} else {
T *pfirst = 0;
int res1 = swig::asval((VALUE)first, pfirst);
if (!SWIG_IsOK(res1)) return res1;
U *psecond = 0;
int res2 = swig::asval((VALUE)second, psecond);
if (!SWIG_IsOK(res2)) return res2;
return res1 > res2 ? res1 : res2;
}
}
static int asptr(VALUE obj, std::pair<T,U> **val) {
int res = SWIG_ERROR;
if ( TYPE(obj) == T_ARRAY ) {
if ( RARRAY_LEN(obj) == 2) {
VALUE first = rb_ary_entry(obj,0);
VALUE second = rb_ary_entry(obj,1);
res = get_pair(first, second, val);
}
} else {
value_type *p;
res = SWIG_ConvertPtr(obj,(void**)&p,
swig::type_info<value_type>(),0);
if (SWIG_IsOK(res) && val) *val = p;
}
return res;
}
};
template <class T, class U >
struct traits_from<std::pair<T,U> > {
static VALUE _wrap_pair_second( VALUE self )
{
std::pair< typename swig::noconst_traits<T >::noconst_type,U>* p = NULL;
swig::asptr( self, &p );
return swig::from( p->second );
}
static VALUE _wrap_pair_second_eq( VALUE self, VALUE arg )
{
std::pair< typename swig::noconst_traits<T >::noconst_type,U>* p = NULL;
swig::asptr( self, &p );
return swig::from( p->second );
}
static VALUE from(const std::pair<T,U>& val) {
VALUE obj = rb_ary_new2(2);
RARRAY_PTR(obj)[0] = swig::from<
typename swig::noconst_traits<T >::noconst_type>(val.first);
RARRAY_PTR(obj)[1] = swig::from(val.second);
RARRAY_LEN(obj) = 2;
rb_define_singleton_method(obj, "second",
VALUEFUNC(_wrap_pair_second), 0 );
rb_define_singleton_method(obj, "second=",
VALUEFUNC(_wrap_pair_second_eq), 1 );
rb_obj_freeze(obj); // treat as immutable tuple
return obj;
}
};
}
}
// Missing typemap
%typemap(in) std::pair* (int res) {
res = swig::asptr( $input, &$1 );
if (!SWIG_IsOK(res))
%argument_fail(res, "$1_type", $symname, $argnum);
}
%define %swig_pair_methods(pair...)
%extend {
VALUE inspect() const
{
VALUE tmp;
VALUE str = rb_str_new2( swig::type_name< pair >() );
str = rb_str_cat2( str, " (" );
tmp = swig::from( $self->first );
tmp = rb_obj_as_string( tmp );
str = rb_str_buf_append( str, tmp );
str = rb_str_cat2( str, "," );
tmp = swig::from( $self->second );
tmp = rb_obj_as_string( tmp );
str = rb_str_buf_append( str, tmp );
str = rb_str_cat2( str, ")" );
return str;
}
VALUE to_s() const
{
VALUE tmp;
VALUE str = rb_str_new2( "(" );
tmp = swig::from( $self->first );
tmp = rb_obj_as_string( tmp );
str = rb_str_buf_append( str, tmp );
str = rb_str_cat2( str, "," );
tmp = swig::from( $self->second );
tmp = rb_obj_as_string( tmp );
str = rb_str_buf_append( str, tmp );
str = rb_str_cat2( str, ")" );
return str;
}
VALUE __getitem__( int index )
{
if (( index % 2 ) == 0 )
return swig::from( $self->first );
else
return swig::from( $self->second );
}
VALUE __setitem__( int index, VALUE obj )
{
int res;
if (( index % 2 ) == 0 )
{
res = swig::asval( obj, &($self->first) );
}
else
{
res = swig::asval(obj, &($self->second) );
}
if (!SWIG_IsOK(res))
rb_raise( rb_eArgError, "invalid item for " #pair );
return obj;
}
} // extend
%enddef
%include <std/std_pair.i>