Stowage/go
2
0
Fork 0
mirror of https://github.com/golang/go.git synced 2025-12-08 06:10:04 +00:00
Code Issues Projects Releases Packages Wiki Activity

bytes.SplitAfter and strings.SplitAfter

Browse source 
most common usage is:

	lines := strings.SplitAfter(text, "\n", 0)

R=r
http://go/go-review/1018042
This commit is contained in:
Russ Cox 2009-11-04 15:19:30 -08:00
parent 3de3af512d
commit 5d436b9def
4 changed files with 98 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

23
src/pkg/strings/strings.go
View file

@ -79,10 +79,9 @@ func LastIndex(s, sep string) int {
return -1
}
// Split splits the string s around each instance of sep, returning an array of substrings of s.
// If sep is empty, Split splits s after each UTF-8 sequence.
// If n > 0, split Splits s into at most n substrings; the last subarray will contain an unsplit remainder string.
func Split(s, sep string, n int) []string {
// Generic split: splits after each instance of sep,
// including sepSave bytes of sep in the subarrays.
func genSplit(s, sep string, sepSave, n int) []string {
if sep == "" {
return explode(s, n)
}
@ -95,7 +94,7 @@ func Split(s, sep string, n int) []string {
na := 0;
for i := 0; i+len(sep) <= len(s) && na+1 < n; i++ {
if s[i] == c && (len(sep) == 1 || s[i:i+len(sep)] == sep) {
a[na] = s[start:i];
a[na] = s[start:i+sepSave];
na++;
start = i+len(sep);
i += len(sep)-1;
@ -105,6 +104,20 @@ func Split(s, sep string, n int) []string {
return a[0:na+1]
}
// Split splits the string s around each instance of sep, returning an array of substrings of s.
// If sep is empty, Split splits s after each UTF-8 sequence.
// If n > 0, split Splits s into at most n substrings; the last substring will be the unsplit remainder.
func Split(s, sep string, n int) []string {
return genSplit(s, sep, 0, n);
}
// SplitAfter splits the string s after each instance of sep, returning an array of substrings of s.
// If sep is empty, SplitAfter splits s after each UTF-8 sequence.
// If n > 0, SplitAfter splits s into at most n substrings; the last substring will be the unsplit remainder.
func SplitAfter(s, sep string, n int) []string {
return genSplit(s, sep, len(sep), n);
}
// Join concatenates the elements of a to create a single string. The separator string
// sep is placed between elements in the resulting string.
func Join(a []string, sep string) string {