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Code Issues Releases Activity

Make case sensitivity optional. Fix

Browse Source 
https://github.com/kubernetes/kubernetes/issues/64612
This commit is contained in:
Chao Xu
2018-06-07 18:36:06 -07:00
parent 8744d7c5c7
commit b92cf78708
5 changed files with 43 additions and 19 deletions
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12
iter_object.go
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@ -60,7 +60,7 @@ func (iter *Iterator) readFieldHash() int64 {
if b == '\\' {
iter.head = i
for _, b := range iter.readStringSlowPath() {
if 'A' <= b && b <= 'Z' {
if 'A' <= b && b <= 'Z' && !iter.cfg.caseSensitive {
b += 'a' - 'A'
}
hash ^= int64(b)
@ -82,7 +82,7 @@ func (iter *Iterator) readFieldHash() int64 {
}
return hash
}
if 'A' <= b && b <= 'Z' {
if 'A' <= b && b <= 'Z' && !iter.cfg.caseSensitive {
b += 'a' - 'A'
}
hash ^= int64(b)
@ -95,10 +95,14 @@ func (iter *Iterator) readFieldHash() int64 {
}
}
func calcHash(str string) int64 {
func calcHash(str string, caseSensitive bool) int64 {
hash := int64(0x811c9dc5)
for _, b := range str {
hash ^= int64(unicode.ToLower(b))
if caseSensitive {
hash ^= int64(b)
} else {
hash ^= int64(unicode.ToLower(b))
}
hash *= 0x1000193
}
return int64(hash)