mirror of
https://github.com/licsber/micropython.git
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Merge branch 'str-index' of github.com:xbe/micropython into xbe-str-index
This commit is contained in:
Damien George
commit
038fd52faa
26
py/objstr.c
26
py/objstr.c
@ -438,7 +438,7 @@ STATIC mp_obj_t str_split(uint n_args, const mp_obj_t *args) {
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return res;
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}
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STATIC mp_obj_t str_finder(uint n_args, const mp_obj_t *args, machine_int_t direction) {
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STATIC mp_obj_t str_finder(uint n_args, const mp_obj_t *args, machine_int_t direction, bool is_index) {
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assert(2 <= n_args && n_args <= 4);
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assert(MP_OBJ_IS_STR(args[0]));
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assert(MP_OBJ_IS_STR(args[1]));
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@ -458,7 +458,11 @@ STATIC mp_obj_t str_finder(uint n_args, const mp_obj_t *args, machine_int_t dire
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const byte *p = find_subbytes(haystack + start, end - start, needle, needle_len, direction);
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if (p == NULL) {
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// not found
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return MP_OBJ_NEW_SMALL_INT(-1);
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if (is_index) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "substring not found"));
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} else {
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return MP_OBJ_NEW_SMALL_INT(-1);
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}
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} else {
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// found
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return MP_OBJ_NEW_SMALL_INT(p - haystack);
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@ -466,11 +470,19 @@ STATIC mp_obj_t str_finder(uint n_args, const mp_obj_t *args, machine_int_t dire
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}
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STATIC mp_obj_t str_find(uint n_args, const mp_obj_t *args) {
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return str_finder(n_args, args, 1);
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return str_finder(n_args, args, 1, false);
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}
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STATIC mp_obj_t str_rfind(uint n_args, const mp_obj_t *args) {
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return str_finder(n_args, args, -1);
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return str_finder(n_args, args, -1, false);
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}
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STATIC mp_obj_t str_index(uint n_args, const mp_obj_t *args) {
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return str_finder(n_args, args, 1, true);
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}
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STATIC mp_obj_t str_rindex(uint n_args, const mp_obj_t *args) {
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return str_finder(n_args, args, -1, true);
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}
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// TODO: (Much) more variety in args
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@ -1125,7 +1137,7 @@ STATIC mp_obj_t str_replace(uint n_args, const mp_obj_t *args) {
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}
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}
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// if max_rep is still 0 by this point we will need to do all possible replacements
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// if max_rep is still -1 by this point we will need to do all possible replacements
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// check argument types
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@ -1304,6 +1316,8 @@ STATIC machine_int_t str_get_buffer(mp_obj_t self_in, buffer_info_t *bufinfo, in
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(str_find_obj, 2, 4, str_find);
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(str_rfind_obj, 2, 4, str_rfind);
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(str_index_obj, 2, 4, str_index);
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(str_rindex_obj, 2, 4, str_rindex);
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(str_join_obj, str_join);
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(str_split_obj, 1, 3, str_split);
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(str_startswith_obj, str_startswith);
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@ -1317,6 +1331,8 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_2(str_rpartition_obj, str_rpartition);
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STATIC const mp_map_elem_t str_locals_dict_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR_find), (mp_obj_t)&str_find_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_rfind), (mp_obj_t)&str_rfind_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_index), (mp_obj_t)&str_index_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_rindex), (mp_obj_t)&str_rindex_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_join), (mp_obj_t)&str_join_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_split), (mp_obj_t)&str_split_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_startswith), (mp_obj_t)&str_startswith_obj },
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@ -183,6 +183,7 @@ Q(union)
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Q(update)
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Q(find)
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Q(rfind)
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Q(rindex)
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Q(split)
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Q(startswith)
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Q(replace)
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78
tests/basics/string_index.py
Normal file
78
tests/basics/string_index.py
Normal file
@ -0,0 +1,78 @@
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print("hello world".index("ll"))
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print("hello world".index("ll", None))
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print("hello world".index("ll", 1))
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print("hello world".index("ll", 1, None))
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print("hello world".index("ll", None, None))
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print("hello world".index("ll", 1, -1))
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try:
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print("hello world".index("ll", 1, 1))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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try:
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print("hello world".index("ll", 1, 2))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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try:
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print("hello world".index("ll", 1, 3))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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print("hello world".index("ll", 1, 4))
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print("hello world".index("ll", 1, 5))
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print("hello world".index("ll", -100))
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print("0000".index('0'))
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print("0000".index('0', 0))
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print("0000".index('0', 1))
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print("0000".index('0', 2))
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print("0000".index('0', 3))
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try:
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print("0000".index('0', 4))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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try:
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print("0000".index('0', 5))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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try:
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print("0000".index('-1', 3))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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try:
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print("0000".index('1', 3))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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try:
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print("0000".index('1', 4))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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try:
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print("0000".index('1', 5))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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78
tests/basics/string_rindex.py
Normal file
78
tests/basics/string_rindex.py
Normal file
@ -0,0 +1,78 @@
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print("hello world".rindex("ll"))
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print("hello world".rindex("ll", None))
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print("hello world".rindex("ll", 1))
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print("hello world".rindex("ll", 1, None))
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print("hello world".rindex("ll", None, None))
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print("hello world".rindex("ll", 1, -1))
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try:
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print("hello world".rindex("ll", 1, 1))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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try:
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print("hello world".rindex("ll", 1, 2))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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try:
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print("hello world".rindex("ll", 1, 3))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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print("hello world".rindex("ll", 1, 4))
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print("hello world".rindex("ll", 1, 5))
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print("hello world".rindex("ll", -100))
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print("0000".rindex('0'))
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print("0000".rindex('0', 0))
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print("0000".rindex('0', 1))
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print("0000".rindex('0', 2))
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print("0000".rindex('0', 3))
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try:
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print("0000".rindex('0', 4))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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try:
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print("0000".rindex('0', 5))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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try:
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print("0000".rindex('-1', 3))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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try:
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print("0000".rindex('1', 3))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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try:
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print("0000".rindex('1', 4))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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try:
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print("0000".rindex('1', 5))
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except ValueError:
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print("Raised ValueError")
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else:
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print("Did not raise ValueError")
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