mirror of
https://github.com/ergochat/ergo.git
synced 2024-12-22 18:52:41 +01:00
217 lines
3.7 KiB
Go
217 lines
3.7 KiB
Go
package irc
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import (
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"errors"
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"fmt"
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"strings"
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)
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//
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// simple types
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//
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// a string with wildcards
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type Mask string
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// add, remove, list modes
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type ModeOp rune
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func (op ModeOp) String() string {
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return string(op)
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}
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// user mode flags
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type UserMode rune
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func (mode UserMode) String() string {
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return fmt.Sprintf("%c", mode)
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}
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type Phase uint
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type ReplyCode interface {
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String() string
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}
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type StringCode string
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func (code StringCode) String() string {
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return string(code)
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}
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type NumericCode uint
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func (code NumericCode) String() string {
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return fmt.Sprintf("%03d", code)
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}
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// channel mode flags
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type ChannelMode rune
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func (mode ChannelMode) String() string {
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return fmt.Sprintf("%c", mode)
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}
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type ChannelNameMap map[string]*Channel
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func (channels ChannelNameMap) Add(channel *Channel) error {
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if channels[channel.name] != nil {
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return fmt.Errorf("%s: already set", channel.name)
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}
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channels[channel.name] = channel
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return nil
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}
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func (channels ChannelNameMap) Remove(channel *Channel) error {
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if channel != channels[channel.name] {
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return fmt.Errorf("%s: mismatch", channel.name)
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}
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delete(channels, channel.name)
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return nil
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}
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type ClientNameMap map[string]*Client
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var (
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ErrNickMissing = errors.New("nick missing")
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ErrNicknameInUse = errors.New("nickname in use")
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ErrNicknameMismatch = errors.New("nickname mismatch")
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)
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func (clients ClientNameMap) Get(nick string) *Client {
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return clients[strings.ToLower(nick)]
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}
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func (clients ClientNameMap) Add(client *Client) error {
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if !client.HasNick() {
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return ErrNickMissing
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}
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if clients.Get(client.nick) != nil {
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return ErrNicknameInUse
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}
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clients[strings.ToLower(client.nick)] = client
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return nil
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}
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func (clients ClientNameMap) Remove(client *Client) error {
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if !client.HasNick() {
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return ErrNickMissing
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}
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if clients.Get(client.nick) != client {
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return ErrNicknameMismatch
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}
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delete(clients, client.nick)
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return nil
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}
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type ChannelModeSet map[ChannelMode]bool
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type ClientSet map[*Client]bool
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func (clients ClientSet) Add(client *Client) {
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clients[client] = true
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}
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func (clients ClientSet) Remove(client *Client) {
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delete(clients, client)
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}
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func (clients ClientSet) Has(client *Client) bool {
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return clients[client]
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}
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type MemberSet map[*Client]ChannelModeSet
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func (members MemberSet) Add(member *Client) {
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members[member] = make(ChannelModeSet)
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}
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func (members MemberSet) Remove(member *Client) {
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delete(members, member)
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}
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func (members MemberSet) Has(member *Client) bool {
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_, ok := members[member]
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return ok
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}
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func (members MemberSet) HasMode(member *Client, mode ChannelMode) bool {
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modes, ok := members[member]
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if !ok {
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return false
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}
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return modes[mode]
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}
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type ChannelSet map[*Channel]bool
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func (channels ChannelSet) Add(channel *Channel) {
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channels[channel] = true
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}
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func (channels ChannelSet) Remove(channel *Channel) {
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delete(channels, channel)
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}
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func (channels ChannelSet) First() *Channel {
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for channel := range channels {
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return channel
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}
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return nil
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}
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//
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// interfaces
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//
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type Identifier interface {
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Id() string
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Nick() string
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}
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type Replier interface {
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Reply(Reply)
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}
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type Reply interface {
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Code() ReplyCode
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Format(*Client) []string
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Source() Identifier
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}
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type Command interface {
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Code() StringCode
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Client() *Client
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Source() Identifier
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Reply(Reply)
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}
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type ServerCommand interface {
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Command
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HandleServer(*Server)
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}
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type AuthServerCommand interface {
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Command
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HandleAuthServer(*Server)
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}
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type RegServerCommand interface {
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Command
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HandleRegServer(*Server)
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}
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//
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// structs
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//
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type UserMask struct {
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nickname Mask
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username Mask
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hostname Mask
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}
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func (mask *UserMask) String() string {
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return fmt.Sprintf("%s!%s@%s", mask.nickname, mask.username, mask.hostname)
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}
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