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package diffmatchpatch
type index uint32
const runeSkipStart = 0xd800
const runeSkipEnd = 0xdfff + 1
const runeMax = 0x110000 // next invalid code point
func stringToIndex(text string) []index {
runes := []rune(text)
indexes := make([]index, len(runes))
for i, r := range runes {
if r < runeSkipEnd {
indexes[i] = index(r)
} else {
indexes[i] = index(r) - (runeSkipEnd - runeSkipStart)
}
}
return indexes
}
func indexesToString(indexes []index) string {
runes := make([]rune, len(indexes))
for i, index := range indexes {
if index < runeSkipStart {
runes[i] = rune(index)
} else {
runes[i] = rune(index + (runeSkipEnd - runeSkipStart))
}
}
return string(runes)
}
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