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c52625b1
编写于
11月 26, 2014
作者:
B
Ben S
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Display files on a single line if possible
上级
8b3602f2
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
45 addition
and
33 deletion
+45
-33
src/exa.rs
src/exa.rs
+45
-33
未找到文件。
src/exa.rs
浏览文件 @
c52625b1
...
@@ -7,6 +7,8 @@ extern crate unicode;
...
@@ -7,6 +7,8 @@ extern crate unicode;
use
std
::
os
;
use
std
::
os
;
use
std
::
io
::
fs
;
use
std
::
io
::
fs
;
use
std
::
io
::
FileType
::
TypeDirectory
;
use
std
::
io
::
FileType
::
TypeDirectory
;
use
std
::
iter
::
AdditiveIterator
;
use
std
::
str
::
StrVector
;
use
file
::
File
;
use
file
::
File
;
use
dir
::
Dir
;
use
dir
::
Dir
;
...
@@ -37,37 +39,37 @@ fn main() {
...
@@ -37,37 +39,37 @@ fn main() {
}
}
fn
exa
(
opts
:
&
Options
)
{
fn
exa
(
opts
:
&
Options
)
{
let
mut
dirs
:
Vec
<
String
>
=
vec!
[];
let
mut
dirs
:
Vec
<
String
>
=
vec!
[];
let
mut
files
:
Vec
<
File
>
=
vec!
[];
let
mut
files
:
Vec
<
File
>
=
vec!
[];
// Separate the user-supplied paths into directories and files.
// Separate the user-supplied paths into directories and files.
// Files are shown first, and then each directory is expanded
// Files are shown first, and then each directory is expanded
// and listed second.
// and listed second.
for
file
in
opts
.path_strs
.iter
()
{
for
file
in
opts
.path_strs
.iter
()
{
let
path
=
Path
::
new
(
file
);
let
path
=
Path
::
new
(
file
);
match
fs
::
stat
(
&
path
)
{
match
fs
::
stat
(
&
path
)
{
Ok
(
stat
)
=>
{
Ok
(
stat
)
=>
{
if
!
opts
.list_dirs
&&
stat
.kind
==
TypeDirectory
{
if
!
opts
.list_dirs
&&
stat
.kind
==
TypeDirectory
{
dirs
.push
(
file
.clone
());
dirs
.push
(
file
.clone
());
}
}
else
{
else
{
// May as well reuse the stat result from earlier
// May as well reuse the stat result from earlier
// instead of just using File::from_path().
// instead of just using File::from_path().
files
.push
(
File
::
with_stat
(
stat
,
path
,
None
));
files
.push
(
File
::
with_stat
(
stat
,
path
,
None
));
}
}
}
}
Err
(
e
)
=>
println!
(
"{}: {}"
,
file
,
e
),
Err
(
e
)
=>
println!
(
"{}: {}"
,
file
,
e
),
}
}
}
}
// It's only worth printing out directory names if the user supplied
// It's only worth printing out directory names if the user supplied
// more than one of them.
// more than one of them.
let
print_dir_names
=
opts
.path_strs
.len
()
>
1
;
let
print_dir_names
=
opts
.path_strs
.len
()
>
1
;
let
mut
first
=
files
.is_empty
();
let
mut
first
=
files
.is_empty
();
if
!
files
.is_empty
()
{
if
!
files
.is_empty
()
{
view
(
opts
,
files
);
view
(
opts
,
files
);
}
}
for
dir_name
in
dirs
.into_iter
()
{
for
dir_name
in
dirs
.into_iter
()
{
if
first
{
if
first
{
...
@@ -86,7 +88,7 @@ fn exa(opts: &Options) {
...
@@ -86,7 +88,7 @@ fn exa(opts: &Options) {
println!
(
"{}:"
,
dir_name
);
println!
(
"{}:"
,
dir_name
);
}
}
view
(
opts
,
files
);
view
(
opts
,
files
);
}
}
Err
(
e
)
=>
{
Err
(
e
)
=>
{
println!
(
"{}: {}"
,
dir_name
,
e
);
println!
(
"{}: {}"
,
dir_name
,
e
);
...
@@ -97,11 +99,11 @@ fn exa(opts: &Options) {
...
@@ -97,11 +99,11 @@ fn exa(opts: &Options) {
}
}
fn
view
(
options
:
&
Options
,
files
:
Vec
<
File
>
)
{
fn
view
(
options
:
&
Options
,
files
:
Vec
<
File
>
)
{
match
options
.view
{
match
options
.view
{
View
::
Details
(
ref
cols
)
=>
details_view
(
options
,
cols
,
files
),
View
::
Details
(
ref
cols
)
=>
details_view
(
options
,
cols
,
files
),
View
::
Lines
=>
lines_view
(
files
),
View
::
Lines
=>
lines_view
(
files
),
View
::
Grid
(
across
,
width
)
=>
grid_view
(
across
,
width
,
files
),
View
::
Grid
(
across
,
width
)
=>
grid_view
(
across
,
width
,
files
),
}
}
}
}
fn
lines_view
(
files
:
Vec
<
File
>
)
{
fn
lines_view
(
files
:
Vec
<
File
>
)
{
...
@@ -111,9 +113,19 @@ fn lines_view(files: Vec<File>) {
...
@@ -111,9 +113,19 @@ fn lines_view(files: Vec<File>) {
}
}
fn
grid_view
(
across
:
bool
,
console_width
:
uint
,
files
:
Vec
<
File
>
)
{
fn
grid_view
(
across
:
bool
,
console_width
:
uint
,
files
:
Vec
<
File
>
)
{
// Check if all the files can be displayed on one line, and do
// that if possible.
let
count
=
files
.len
();
let
spacing
=
2
;
if
files
.iter
()
.map
(|
ref
f
|
f
.name
.len
()
+
spacing
)
.sum
()
+
(
count
-
1
)
*
spacing
<=
console_width
{
let
names
:
Vec
<
String
>
=
files
.iter
()
.map
(|
ref
f
|
f
.file_name
()
.to_string
())
.collect
();
println!
(
"{}"
,
names
.connect
(
" "
));
return
;
}
// Otherwise, contort them into a grid.
let
max_column_length
=
files
.iter
()
.map
(|
f
|
f
.file_name_width
())
.max
()
.unwrap_or
(
0
);
let
max_column_length
=
files
.iter
()
.map
(|
f
|
f
.file_name_width
())
.max
()
.unwrap_or
(
0
);
let
num_columns
=
(
console_width
+
1
)
/
(
max_column_length
+
1
);
let
num_columns
=
(
console_width
+
1
)
/
(
max_column_length
+
1
);
let
count
=
files
.len
();
let
mut
num_rows
=
count
/
num_columns
;
let
mut
num_rows
=
count
/
num_columns
;
if
count
%
num_columns
!=
0
{
if
count
%
num_columns
!=
0
{
...
...
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