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/* -----------------------------------------------------------------------------
* std_string_view.i
*
* std::string_view typemaps for LUA
* ----------------------------------------------------------------------------- */
%{
#include <string_view>
%}
namespace std {
%naturalvar string_view;
%typemap(in,checkfn="lua_isstring") string_view
{
size_t len;
const char *ptr = lua_tolstring(L, $input, &len);
$1 = std::string_view(ptr, len);
}
%typemap(out) string_view
%{ lua_pushlstring(L,$1.data(),$1.size()); SWIG_arg++;%}
%typemap(in,checkfn="lua_isstring") const string_view& ($*1_ltype temp)
{
size_t len;
const char *ptr = lua_tolstring(L, $input, &len);
temp = std::string_view(ptr, len);
$1=&temp;
}
%typemap(out) const string_view&
%{ lua_pushlstring(L,$1->data(),$1->size()); SWIG_arg++;%}
// for throwing of any kind of string_view, string_view ref's and string_view pointers
// we convert all to lua strings
%typemap(throws) string_view, string_view&, const string_view&
%{ lua_pushlstring(L,$1.data(),$1.size()); SWIG_fail;%}
%typemap(throws) string_view*, const string_view*
%{ lua_pushlstring(L,$1->data(),$1->size()); SWIG_fail;%}
%typecheck(SWIG_TYPECHECK_STRINGVIEW) string_view, const string_view& {
$1 = lua_isstring(L,$input);
}
class string_view;
}
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