/usr/share/swig/3.0.12/ocaml
Edit: /usr/share/swig/3.0.12/ocaml/std_string.i (3202B)
/* -----------------------------------------------------------------------------
* std_string.i
*
* SWIG typemaps for std::string
* ----------------------------------------------------------------------------- */
// ------------------------------------------------------------------------
// std::string is typemapped by value
// This can prevent exporting methods which return a string
// in order for the user to modify it.
// However, I think I'll wait until someone asks for it...
// ------------------------------------------------------------------------
%{
#include
#include
%}
%include
%include
namespace std {
%naturalvar string;
%naturalvar wstring;
class string;
class wstring;
/* Overloading check */
%typemap(in) string {
/* %typemap(in) string */
if (caml_ptr_check($input))
$1.assign((char *)caml_ptr_val($input,0), caml_string_len($input));
else
SWIG_exception(SWIG_TypeError, "string expected");
}
%typemap(in) const string & ($*1_ltype temp) {
/* %typemap(in) const string & */
if (caml_ptr_check($input)) {
temp.assign((char *)caml_ptr_val($input,0), caml_string_len($input));
$1 = &temp;
} else {
SWIG_exception(SWIG_TypeError, "string expected");
}
}
%typemap(in) string & ($*1_ltype temp) {
/* %typemap(in) string & */
if (caml_ptr_check($input)) {
temp.assign((char *)caml_ptr_val($input,0), caml_string_len($input));
$1 = &temp;
} else {
SWIG_exception(SWIG_TypeError, "string expected");
}
}
%typemap(in) string * ($*1_ltype *temp) {
/* %typemap(in) string * */
if (caml_ptr_check($input)) {
temp = new $*1_ltype((char *)caml_ptr_val($input,0), caml_string_len($input));
$1 = temp;
} else {
SWIG_exception(SWIG_TypeError, "string expected");
}
}
%typemap(free) string * ($*1_ltype *temp) {
delete temp;
}
%typemap(argout) string & {
/* %typemap(argout) string & */
swig_result = caml_list_append(swig_result,caml_val_string_len((*$1).c_str(), (*$1).size()));
}
%typemap(directorout) string {
/* %typemap(directorout) string */
$result.assign((char *)caml_ptr_val($input,0), caml_string_len($input));
}
%typemap(out) string {
/* %typemap(out) string */
$result = caml_val_string_len($1.c_str(),$1.size());
}
%typemap(out) string * {
/* %typemap(out) string * */
$result = caml_val_string_len((*$1).c_str(),(*$1).size());
}
}
#ifdef ENABLE_CHARPTR_ARRAY
char **c_charptr_array( const std::vector &str_v );
%{
SWIGEXT char **c_charptr_array( const std::vector &str_v ) {
char **out = new char *[str_v.size() + 1];
out[str_v.size()] = 0;
for( int i = 0; i < str_v.size(); i++ ) {
out[i] = (char *)str_v[i].c_str();
}
return out;
}
%}
#endif
#ifdef ENABLE_STRING_VECTOR
%template (StringVector) std::vector;
%insert(ml) %{
(* Some STL convenience items *)
let string_array_to_vector sa =
let nv = _new_StringVector C_void in
array_to_vector nv (fun x -> C_string x) sa ; nv
let c_string_array ar =
_c_charptr_array (string_array_to_vector ar)
%}
%insert(mli) %{
val c_string_array: string array -> c_obj
%}
#endif