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717de500
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717de500
编写于
7月 04, 2014
作者:
E
Erick Tryzelaar
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
serialize: escaping json strings should write in batches.
This significantly speeds up encoding json strings.
上级
83f9f07e
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
31 addition
and
15 deletion
+31
-15
src/libserialize/json.rs
src/libserialize/json.rs
+31
-15
未找到文件。
src/libserialize/json.rs
浏览文件 @
717de500
...
...
@@ -256,21 +256,37 @@ fn io_error_to_error(io: io::IoError) -> ParserError {
pub
type
EncodeResult
=
io
::
IoResult
<
()
>
;
pub
type
DecodeResult
<
T
>
=
Result
<
T
,
DecoderError
>
;
fn
escape_bytes
(
writer
:
&
mut
io
::
Writer
,
s
:
&
[
u8
])
->
Result
<
(),
io
::
IoError
>
{
try!
(
writer
.write_str
(
"
\"
"
));
for
byte
in
s
.iter
()
{
match
*
byte
{
b
'"'
=>
try!
(
writer
.write_str
(
"
\\\"
"
)),
b
'\\'
=>
try!
(
writer
.write_str
(
"
\\\\
"
)),
b
'\x08'
=>
try!
(
writer
.write_str
(
"
\\
b"
)),
b
'\x0c'
=>
try!
(
writer
.write_str
(
"
\\
f"
)),
b
'\n'
=>
try!
(
writer
.write_str
(
"
\\
n"
)),
b
'\r'
=>
try!
(
writer
.write_str
(
"
\\
r"
)),
b
'\t'
=>
try!
(
writer
.write_str
(
"
\\
t"
)),
_
=>
try!
(
writer
.write_u8
(
*
byte
)),
}
}
writer
.write_str
(
"
\"
"
)
pub
fn
escape_bytes
(
wr
:
&
mut
io
::
Writer
,
bytes
:
&
[
u8
])
->
Result
<
(),
io
::
IoError
>
{
try!
(
wr
.write_str
(
"
\"
"
));
let
mut
start
=
0
;
for
(
i
,
byte
)
in
bytes
.iter
()
.enumerate
()
{
let
escaped
=
match
*
byte
{
b
'"'
=>
"
\\\"
"
,
b
'\\'
=>
"
\\\\
"
,
b
'\x08'
=>
"
\\
b"
,
b
'\x0c'
=>
"
\\
f"
,
b
'\n'
=>
"
\\
n"
,
b
'\r'
=>
"
\\
r"
,
b
'\t'
=>
"
\\
t"
,
_
=>
{
continue
;
}
};
if
start
<
i
{
try!
(
wr
.write
(
bytes
.slice
(
start
,
i
)));
}
try!
(
wr
.write_str
(
escaped
));
start
=
i
+
1
;
}
if
start
!=
bytes
.len
()
{
try!
(
wr
.write
(
bytes
.slice_from
(
start
)));
}
wr
.write_str
(
"
\"
"
)
}
fn
escape_str
(
writer
:
&
mut
io
::
Writer
,
v
:
&
str
)
->
Result
<
(),
io
::
IoError
>
{
...
...
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