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/* -----------------------------------------------------------------------------
* std_string_view.i
*
* SWIG typemaps for std::string_view types
* ----------------------------------------------------------------------------- */
%include <exception.i>
%{
#include <string_view>
#if PY_VERSION_HEX < 0x03000000
# error std_string_view.i not supported for Python 2
#endif
%}
namespace std {
%naturalvar string_view;
class string_view;
%typemap(typecheck,precedence=SWIG_TYPECHECK_STRINGVIEW) string_view, const string_view & %{
#ifdef SWIG_PYTHON_STRICT_BYTE_CHAR
$1 = PyBytes_Check($input);
#else
$1 = PyUnicode_Check($input) || PyBytes_Check($input);
#endif
%}
%typemap(in) string_view (PyObject *bytes = NULL) {
Py_ssize_t len;
%#ifdef SWIG_PYTHON_STRICT_BYTE_CHAR
const char *p = PyBytes_AsString($input);
if (!p) SWIG_fail;
len = PyBytes_Size($input);
%#else
const char *p;
if (PyUnicode_Check($input)) {
p = SWIG_PyUnicode_AsUTF8AndSize($input, &len, &bytes);
if (!p) SWIG_fail;
} else {
p = PyBytes_AsString($input);
if (!p) SWIG_fail;
len = PyBytes_Size($input);
}
%#endif
$1 = std::string_view(p, len);
}
%typemap(freearg) string_view %{
SWIG_Py_XDECREF(bytes$argnum);
%}
%typemap(in) const string_view & ($*1_ltype temp, PyObject *bytes = NULL) {
Py_ssize_t len;
%#ifdef SWIG_PYTHON_STRICT_BYTE_CHAR
const char *p = PyBytes_AsString($input);
if (!p) SWIG_fail;
len = PyBytes_Size($input);
%#else
const char *p;
if (PyUnicode_Check($input)) {
p = SWIG_PyUnicode_AsUTF8AndSize($input, &len, &bytes);
if (!p) SWIG_fail;
} else {
p = PyBytes_AsString($input);
if (!p) SWIG_fail;
len = PyBytes_Size($input);
}
%#endif
temp = std::string_view(p, len);
$1 = &temp;
}
%typemap(freearg) const string_view & %{
SWIG_Py_XDECREF(bytes$argnum);
%}
%typemap(directorout, warning=SWIGWARN_TYPEMAP_DIRECTOROUT_PTR_MSG) string_view {
Py_ssize_t len;
%#ifdef SWIG_PYTHON_STRICT_BYTE_CHAR
const char *p = PyBytes_AsString($input);
if (p) len = PyBytes_Size($input);
%#else
const char *p;
PyObject *bytes = NULL;
if (PyUnicode_Check($input)) {
p = SWIG_PyUnicode_AsUTF8AndSize($input, &len, &bytes);
// Avoid undefined behaviour (p will be pointing to a temporary
// if bytes is not NULL which happens when Py_LIMITED_API is defined
// and < 0x030A0000) and just leak by not calling Py_XDECREF.
// Py_XDECREF(bytes);
} else {
p = PyBytes_AsString($input);
if (p) len = PyBytes_Size($input);
}
%#endif
if (p) $result = std::string_view(p, len);
}
%typemap(out) string_view %{
#ifdef SWIG_PYTHON_STRICT_BYTE_CHAR
$result = PyBytes_FromStringAndSize($1.data(), $1.size());
#else
$result = PyUnicode_FromStringAndSize($1.data(), $1.size());
#endif
%}
%typemap(varout) string_view %{
#ifdef SWIG_PYTHON_STRICT_BYTE_CHAR
$result = PyBytes_FromStringAndSize($1.data(), $1.size());
#else
$result = PyUnicode_FromStringAndSize($1.data(), $1.size());
#endif
%}
%typemap(directorin) string_view, const string_view & %{
#ifdef SWIG_PYTHON_STRICT_BYTE_CHAR
$input = PyBytes_FromStringAndSize($1.data(), $1.size());
#else
$input = PyUnicode_FromStringAndSize($1.data(), $1.size());
#endif
%}
%typemap(out) const string_view & %{
#ifdef SWIG_PYTHON_STRICT_BYTE_CHAR
$result = PyBytes_FromStringAndSize($1->data(), $1->size());
#else
$result = PyUnicode_FromStringAndSize($1->data(), $1->size());
#endif
%}
}
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