ircd.chat/irc-go
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Merge pull request #16 from goshuirc/allow-custom-channel-prefixes

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ircmap: Allow custom channel prefixes when folding
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Daniel Oaks 2019-04-29 11:58:18 +10:00 committed by GitHub
commit 7454d117cc
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1 changed files with 9 additions and 1 deletions
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10
ircmap/istring.go
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@ -102,6 +102,14 @@ func PrecisCasefold(str string) (string, error) {
// mapping as defined by this package (or an error if the given string is not
// valid in the chosen mapping).
func Casefold(mapping MappingType, input string) (string, error) {
return CasefoldCustomChannelPrefixes(mapping, input, ChannelPrefixes)
}
// CasefoldCustomChannelPrefixes returns a string, lowercased/casefolded
// according to the given mapping as defined by this package (or an error if
// the given string is not valid in the chosen mapping), using a custom
// channel prefix map.
func CasefoldCustomChannelPrefixes(mapping MappingType, input string, channelPrefixes map[byte]bool) (string, error) {
var out string
var err error
@ -118,7 +126,7 @@ func Casefold(mapping MappingType, input string) (string, error) {
} else if mapping == RFC7613 {
// skip channel prefixes to avoid bidi rule (as per spec)
var start int
for start = 0; start < len(input) && ChannelPrefixes[input[start]]; start++ {
for start = 0; start < len(input) && channelPrefixes[input[start]]; start++ {
}
lowered, err := PrecisCasefold(input[start:])