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net/url: use strings.Index instead of a loop

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We already depend on strings in this file, so use it.

Plus strings.Index will be faster than a manual loop
once issue 3751 is finished.

R=golang-dev, khr
CC=golang-dev
https://golang.org/cl/8116043
This commit is contained in:
Brad Fitzpatrick 2013-03-28 13:43:34 -07:00
parent cb79b2cf22
commit 731dcb7680
1 changed files with 12 additions and 13 deletions
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21
src/pkg/net/url/url.go
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@ -317,23 +317,22 @@ func getscheme(rawurl string) (scheme, path string, err error) {
// Maybe s is of the form t c u.
// If so, return t, c u (or t, u if cutc == true).
// If not, return s, "".
func split(s string, c byte, cutc bool) (string, string) {
for i := 0; i < len(s); i++ {
if s[i] == c {
func split(s string, c string, cutc bool) (string, string) {
i := strings.Index(s, c)
if i < 0 {
return s, ""
}
if cutc {
return s[0:i], s[i+1:]
return s[0:i], s[i+len(c):]
}
return s[0:i], s[i:]
}
}
return s, ""
}
// Parse parses rawurl into a URL structure.
// The rawurl may be relative or absolute.
func Parse(rawurl string) (url *URL, err error) {
// Cut off #frag
u, frag := split(rawurl, '#', true)
u, frag := split(rawurl, "#", true)
if url, err = parse(u, false); err != nil {
return nil, err
}
@ -380,7 +379,7 @@ func parse(rawurl string, viaRequest bool) (url *URL, err error) {
}
url.Scheme = strings.ToLower(url.Scheme)
rest, url.RawQuery = split(rest, '?', true)
rest, url.RawQuery = split(rest, "?", true)
if !strings.HasPrefix(rest, "/") {
if url.Scheme != "" {
@ -396,7 +395,7 @@ func parse(rawurl string, viaRequest bool) (url *URL, err error) {
if (url.Scheme != "" || !viaRequest && !strings.HasPrefix(rest, "///")) && strings.HasPrefix(rest, "//") {
var authority string
authority, rest = split(rest[2:], '/', false)
authority, rest = split(rest[2:], "/", false)
url.User, url.Host, err = parseAuthority(authority)
if err != nil {
goto Error
@ -428,7 +427,7 @@ func parseAuthority(authority string) (user *Userinfo, host string, err error) {
}
user = User(userinfo)
} else {
username, password := split(userinfo, ':', true)
username, password := split(userinfo, ":", true)
if username, err = unescape(username, encodeUserPassword); err != nil {
return
}