93 lines
1.7 KiB
Go
93 lines
1.7 KiB
Go
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package jounce
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import (
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"fmt"
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"strings"
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)
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const (
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rpl_localusers = "265"
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rpl_globalusers = "266"
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rpl_topicwhotime = "333"
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)
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type modeSet string
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func (ms modeSet) Has(c byte) bool {
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return strings.IndexByte(string(ms), c) >= 0
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}
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func (ms *modeSet) Add(c byte) {
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if !ms.Has(c) {
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*ms += modeSet(c)
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}
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}
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func (ms *modeSet) Del(c byte) {
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i := strings.IndexByte(string(*ms), c)
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if i >= 0 {
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*ms = (*ms)[:i] + (*ms)[i+1:]
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}
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}
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func (ms *modeSet) Apply(s string) error {
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var plusMinus byte
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for i := 0; i < len(s); i++ {
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switch c := s[i]; c {
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case '+', '-':
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plusMinus = c
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default:
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switch plusMinus {
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case '+':
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ms.Add(c)
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case '-':
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ms.Del(c)
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default:
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return fmt.Errorf("malformed modestring %q: missing plus/minus", s)
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}
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}
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}
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return nil
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}
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type channelStatus byte
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const (
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channelPublic channelStatus = '='
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channelSecret channelStatus = '@'
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channelPrivate channelStatus = '*'
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)
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func parseChannelStatus(s string) (channelStatus, error) {
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if len(s) > 1 {
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return 0, fmt.Errorf("invalid channel status %q: more than one character", s)
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}
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switch cs := channelStatus(s[0]); cs {
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case channelPublic, channelSecret, channelPrivate:
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return cs, nil
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default:
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return 0, fmt.Errorf("invalid channel status %q: unknown status", s)
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}
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}
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type membership byte
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const (
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membershipFounder membership = '~'
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membershipProtected membership = '&'
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membershipOperator membership = '@'
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membershipHalfOp membership = '%'
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membershipVoice membership = '+'
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)
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const stdMembershipPrefixes = "~&@%+"
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func parseMembershipPrefix(s string) (prefix membership, nick string) {
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// TODO: any prefix from PREFIX RPL_ISUPPORT
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if strings.IndexByte(stdMembershipPrefixes, s[0]) >= 0 {
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return membership(s[0]), s[1:]
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} else {
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return 0, s
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}
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}
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