Function Str_in

python/stringzilla.c:1842–1851

* @brief Will be called by the `PySequence_Contains` to check presence of a substring. * @return 1 if the string is present, 0 if it is not, -1 in case of error. * @see Docs: https://docs.python.org/3/c-api/sequence.html#c.PySequence_Contains */

 *  @see    Docs: https://docs.python.org/3/c-api/sequence.html#c.PySequence_Contains
 */
static int Str_in(Str *self, PyObject *needle_obj) {

    sz_string_view_t needle;
    if (!sz_py_export_string_like(needle_obj, &needle.start, &needle.length)) {
        wrap_current_exception("Unsupported needle layout");
        return -1;
    }

    return sz_find(self->memory.start, self->memory.length, needle.start, needle.length) != NULL;
}

/**
 *  @brief  Ensures the Strs is in a tape layout (not fragmented).