Java Reference
In-Depth Information
dt
.
detab
(
new
new
BufferedReader
(
new
new
InputStreamReader
(
System
.
in
)),
new
new
PrintWriter
(
System
.
out
));
}
public
public
DeTab
(
int
int
n
) {
ts
=
new
new
Tabs
(
n
);
}
public
public
DeTab
() {
ts
=
new
new
Tabs
();
}
/** detab one file (replace tabs with spaces)
* @param is - the file to be processed
* @param out - the updated file
*/
public
public
void
void
detab
(
BufferedReader is
,
PrintWriter out
)
throws
throws
IOException
{
String line
;
while
while
((
line
=
is
.
readLine
()) !=
null
null
) {
out
.
println
(
detabLine
(
line
));
}
}
/** detab one line (replace tabs with spaces)
* @param line - the line to be processed
* @return the updated line
*/
public
public
String
detabLine
(
String line
) {
char
char
c
;
int
int
col
;
StringBuffer sb
=
new
new
StringBuffer
();
col
=
0
;
for
for
(
int
int
i
=
0
;
i
<
line
.
length
();
i
++) {
// Either ordinary character or tab.
iif
((
c
=
line
.
charAt
(
i
)) !=
'\t'
) {
sb
.
append
(
c
);
// Ordinary
++
col
;
continue
continue
;
}
ddo
{
// Tab, expand it, must put >=1 space
sb
.
append
(
' '
);
}
while
while
(!
ts
.
isTabStop
(++
col
));
}
return
return
sb
.
toString
();
}
}
