Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
M
mruby
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Analytics
Analytics
CI / CD
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
Libraries
mruby
Commits
33f77fe3
Commit
33f77fe3
authored
Mar 28, 2017
by
Kenji Okimoto
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
Implement Array#slice!
parent
66980493
Changes
2
Show whitespace changes
Inline
Side-by-side
Showing
2 changed files
with
100 additions
and
0 deletions
+100
-0
mrbgems/mruby-array-ext/src/array.c
mrbgems/mruby-array-ext/src/array.c
+76
-0
mrbgems/mruby-array-ext/test/array.rb
mrbgems/mruby-array-ext/test/array.rb
+24
-0
No files found.
mrbgems/mruby-array-ext/src/array.c
View file @
33f77fe3
...
@@ -149,6 +149,81 @@ mrb_ary_to_h(mrb_state *mrb, mrb_value ary)
...
@@ -149,6 +149,81 @@ mrb_ary_to_h(mrb_state *mrb, mrb_value ary)
return
hash
;
return
hash
;
}
}
/*
* call-seq:
* ary.slice!(index) -> obj or nil
* ary.slice!(start, length) -> new_ary or nil
* ary.slice!(range) -> new_ary or nil
*
* Deletes the element(s) given by an +index+ (optionally up to +length+
* elements) or by a +range+.
*
* Returns the deleted object (or objects), or +nil+ if the +index+ is out of
* range.
*
* a = [ "a", "b", "c" ]
* a.slice!(1) #=> "b"
* a #=> ["a", "c"]
* a.slice!(-1) #=> "c"
* a #=> ["a"]
* a.slice!(100) #=> nil
* a #=> ["a"]
*/
static
mrb_value
mrb_ary_slice_bang
(
mrb_state
*
mrb
,
mrb_value
self
)
{
struct
RArray
*
a
=
mrb_ary_ptr
(
self
);
mrb_int
i
,
len
;
mrb_value
index
;
mrb_value
val
;
mrb_value
*
ptr
;
mrb_value
ary
;
mrb_ary_modify
(
mrb
,
a
);
if
(
mrb_get_args
(
mrb
,
"o|i"
,
&
index
,
&
len
)
==
1
)
{
switch
(
mrb_type
(
index
))
{
case
MRB_TT_RANGE
:
if
(
mrb_range_beg_len
(
mrb
,
index
,
&
i
,
&
len
,
a
->
len
,
TRUE
)
==
1
)
{
goto
delete_pos_len
;
}
else
{
return
mrb_nil_value
();
}
case
MRB_TT_FIXNUM
:
val
=
mrb_funcall
(
mrb
,
self
,
"delete_at"
,
1
,
index
);
return
val
;
default:
val
=
mrb_funcall
(
mrb
,
self
,
"delete_at"
,
1
,
index
);
return
val
;
}
}
i
=
mrb_fixnum
(
index
);
delete_pos_len:
if
(
i
<
0
)
i
+=
a
->
len
;
if
(
i
<
0
||
a
->
len
<
i
)
return
mrb_nil_value
();
if
(
len
<
0
)
return
mrb_nil_value
();
if
(
a
->
len
==
i
)
return
mrb_ary_new
(
mrb
);
if
(
len
>
a
->
len
-
i
)
len
=
a
->
len
-
i
;
ary
=
mrb_ary_new_capa
(
mrb
,
len
);
for
(
mrb_int
j
=
i
,
k
=
0
;
k
<
len
;
++
j
,
++
k
)
{
mrb_ary_push
(
mrb
,
ary
,
a
->
ptr
[
j
]);
}
ptr
=
a
->
ptr
+
i
;
for
(
mrb_int
j
=
i
;
j
<=
a
->
len
-
len
;
++
j
)
{
*
ptr
=
*
(
ptr
+
len
);
++
ptr
;
}
mrb_ary_resize
(
mrb
,
self
,
a
->
len
-
len
);
return
ary
;
}
void
void
mrb_mruby_array_ext_gem_init
(
mrb_state
*
mrb
)
mrb_mruby_array_ext_gem_init
(
mrb_state
*
mrb
)
{
{
...
@@ -159,6 +234,7 @@ mrb_mruby_array_ext_gem_init(mrb_state* mrb)
...
@@ -159,6 +234,7 @@ mrb_mruby_array_ext_gem_init(mrb_state* mrb)
mrb_define_method
(
mrb
,
a
,
"rassoc"
,
mrb_ary_rassoc
,
MRB_ARGS_REQ
(
1
));
mrb_define_method
(
mrb
,
a
,
"rassoc"
,
mrb_ary_rassoc
,
MRB_ARGS_REQ
(
1
));
mrb_define_method
(
mrb
,
a
,
"values_at"
,
mrb_ary_values_at
,
MRB_ARGS_ANY
());
mrb_define_method
(
mrb
,
a
,
"values_at"
,
mrb_ary_values_at
,
MRB_ARGS_ANY
());
mrb_define_method
(
mrb
,
a
,
"to_h"
,
mrb_ary_to_h
,
MRB_ARGS_REQ
(
0
));
mrb_define_method
(
mrb
,
a
,
"to_h"
,
mrb_ary_to_h
,
MRB_ARGS_REQ
(
0
));
mrb_define_method
(
mrb
,
a
,
"slice!"
,
mrb_ary_slice_bang
,
MRB_ARGS_ANY
());
}
}
void
void
...
...
mrbgems/mruby-array-ext/test/array.rb
View file @
33f77fe3
...
@@ -328,3 +328,27 @@ assert("Array#dig") do
...
@@ -328,3 +328,27 @@ assert("Array#dig") do
assert_nil
(
h
.
dig
(
2
,
0
))
assert_nil
(
h
.
dig
(
2
,
0
))
assert_raise
(
TypeError
)
{
h
.
dig
(
:a
)}
assert_raise
(
TypeError
)
{
h
.
dig
(
:a
)}
end
end
assert
(
"Array#slice!"
)
do
a
=
[
1
,
2
,
3
]
b
=
a
.
slice!
(
0
)
c
=
[
1
,
2
,
3
,
4
,
5
]
d
=
c
.
slice!
(
0
,
2
)
e
=
[
1
,
2
,
3
,
4
,
5
]
f
=
e
.
slice!
(
1
..
3
)
g
=
[
1
,
2
,
3
]
h
=
g
.
slice!
(
-
1
)
i
=
[
1
,
2
,
3
]
j
=
i
.
slice!
(
0
,
-
1
)
assert_equal
(
a
,
[
2
,
3
])
assert_equal
(
b
,
1
)
assert_equal
(
c
,
[
3
,
4
,
5
])
assert_equal
(
d
,
[
1
,
2
])
assert_equal
(
e
,
[
1
,
5
])
assert_equal
(
f
,
[
2
,
3
,
4
])
assert_equal
(
g
,
[
1
,
2
])
assert_equal
(
h
,
3
)
assert_equal
(
i
,
[
1
,
2
,
3
])
assert_equal
(
j
,
nil
)
end
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment