forked from edmund-huber/ergonomadic
/
modes.go
165 lines (138 loc) · 3.46 KB
/
modes.go
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package irc
import (
"strings"
)
// user mode flags
type UserMode rune
func (mode UserMode) String() string {
return string(mode)
}
type UserModes []UserMode
func (modes UserModes) String() string {
strs := make([]string, len(modes))
for index, mode := range modes {
strs[index] = mode.String()
}
return strings.Join(strs, "")
}
// channel mode flags
type ChannelMode rune
func (mode ChannelMode) String() string {
return string(mode)
}
type ChannelModes []ChannelMode
func (modes ChannelModes) String() string {
strs := make([]string, len(modes))
for index, mode := range modes {
strs[index] = mode.String()
}
return strings.Join(strs, "")
}
type ModeOp rune
func (op ModeOp) String() string {
return string(op)
}
const (
Add ModeOp = '+'
List ModeOp = '='
Remove ModeOp = '-'
)
const (
Away UserMode = 'a'
Invisible UserMode = 'i'
LocalOperator UserMode = 'O'
Operator UserMode = 'o'
Restricted UserMode = 'r'
ServerNotice UserMode = 's' // deprecated
WallOps UserMode = 'w'
)
var (
SupportedUserModes = UserModes{
Away, Invisible, Operator,
}
)
const (
Anonymous ChannelMode = 'a' // flag
BanMask ChannelMode = 'b' // arg
ChannelCreator ChannelMode = 'O' // flag
ChannelOperator ChannelMode = 'o' // arg
ExceptMask ChannelMode = 'e' // arg
InviteMask ChannelMode = 'I' // arg
InviteOnly ChannelMode = 'i' // flag
Key ChannelMode = 'k' // flag arg
Moderated ChannelMode = 'm' // flag
NoOutside ChannelMode = 'n' // flag
OpOnlyTopic ChannelMode = 't' // flag
Persistent ChannelMode = 'P' // flag
Private ChannelMode = 'p' // flag
Quiet ChannelMode = 'q' // flag
ReOp ChannelMode = 'r' // flag
Secret ChannelMode = 's' // flag, deprecated
Theater ChannelMode = 'T' // flag, nonstandard
UserLimit ChannelMode = 'l' // flag arg
Voice ChannelMode = 'v' // arg
)
var (
SupportedChannelModes = ChannelModes{
BanMask, ExceptMask, InviteMask, InviteOnly, Key, NoOutside,
OpOnlyTopic, Persistent, Private, Theater, UserLimit,
}
)
//
// commands
//
func (m *ModeCommand) HandleServer(s *Server) {
client := m.Client()
target := s.clients.Get(m.nickname)
if target == nil {
client.ErrNoSuchNick(m.nickname)
return
}
if client != target && !client.flags[Operator] {
client.ErrUsersDontMatch()
return
}
changes := make(ModeChanges, 0, len(m.changes))
for _, change := range m.changes {
switch change.mode {
case Invisible, ServerNotice, WallOps:
switch change.op {
case Add:
if target.flags[change.mode] {
continue
}
target.flags[change.mode] = true
changes = append(changes, change)
case Remove:
if !target.flags[change.mode] {
continue
}
delete(target.flags, change.mode)
changes = append(changes, change)
}
case Operator, LocalOperator:
if change.op == Remove {
if !target.flags[change.mode] {
continue
}
delete(target.flags, change.mode)
changes = append(changes, change)
}
}
}
if len(changes) > 0 {
client.Reply(RplModeChanges(client, target, changes))
} else if client == target {
client.RplUModeIs(client)
}
client.Reply(RplCurrentMode(client, target))
}
func (msg *ChannelModeCommand) HandleServer(server *Server) {
client := msg.Client()
channel := server.channels.Get(msg.channel)
if channel == nil {
client.ErrNoSuchChannel(msg.channel)
return
}
channel.Mode(client, msg.changes)
}