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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "py/objtuple.h"
#if MICROPY_PY_ATTRTUPLE || MICROPY_PY_COLLECTIONS
// this helper function is used by collections.namedtuple
#if !MICROPY_PY_COLLECTIONS
STATIC
#endif
void mp_obj_attrtuple_print_helper(const mp_print_t *print, const qstr *fields, mp_obj_tuple_t *o) {
mp_print_str(print, "(");
for (size_t i = 0; i < o->len; i++) {
if (i > 0) {
mp_print_str(print, ", ");
}
mp_printf(print, "%q=", fields[i]);
mp_obj_print_helper(print, o->items[i], PRINT_REPR);
}
mp_print_str(print, ")");
}
#endif
#if MICROPY_PY_ATTRTUPLE
STATIC void mp_obj_attrtuple_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t kind) {
(void)kind;
mp_obj_tuple_t *o = MP_OBJ_TO_PTR(o_in);
const qstr *fields = (const qstr*)MP_OBJ_TO_PTR(o->items[o->len]);
mp_obj_attrtuple_print_helper(print, fields, o);
}
STATIC void mp_obj_attrtuple_attr(mp_obj_t self_in, qstr attr, mp_obj_t *dest) {
if (dest[0] == MP_OBJ_NULL) {
// load attribute
mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
size_t len = self->len;
const qstr *fields = (const qstr*)MP_OBJ_TO_PTR(self->items[len]);
for (size_t i = 0; i < len; i++) {
if (fields[i] == attr) {
dest[0] = self->items[i];
return;
}
}
}
}
mp_obj_t mp_obj_new_attrtuple(const qstr *fields, size_t n, const mp_obj_t *items) {
mp_obj_tuple_t *o = m_new_obj_var(mp_obj_tuple_t, mp_obj_t, n + 1);
o->base.type = &mp_type_attrtuple;
o->len = n;
for (size_t i = 0; i < n; i++) {
o->items[i] = items[i];
}
o->items[n] = MP_OBJ_FROM_PTR(fields);
return MP_OBJ_FROM_PTR(o);
}
const mp_obj_type_t mp_type_attrtuple = {
{ &mp_type_type },
.name = MP_QSTR_tuple, // reuse tuple to save on a qstr
.print = mp_obj_attrtuple_print,
.unary_op = mp_obj_tuple_unary_op,
.binary_op = mp_obj_tuple_binary_op,
.attr = mp_obj_attrtuple_attr,
.subscr = mp_obj_tuple_subscr,
.getiter = mp_obj_tuple_getiter,
};
#endif // MICROPY_PY_ATTRTUPLE
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