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// Copyright 2009 Thomas Jager <mail@jager.no> All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package irc
import (
"context"
"crypto/tls"
"log"
"net"
"regexp"
"sync"
"time"
"golang.org/x/text/encoding"
)
type Connection struct {
sync.Mutex
sync.WaitGroup
Debug bool
Error chan error
WebIRC string
Password string
UseTLS bool
UseSASL bool
RequestCaps []string
AcknowledgedCaps []string
SASLLogin string
SASLPassword string
SASLMech string
TLSConfig *tls.Config
Version string
Timeout time.Duration
CallbackTimeout time.Duration
PingFreq time.Duration
KeepAlive time.Duration
Server string
Encoding encoding.Encoding
RealName string // The real name we want to display.
// If zero-value defaults to the user.
socket net.Conn
pwrite chan string
end chan struct{}
nick string //The nickname we want.
nickcurrent string //The nickname we currently have.
user string
registered bool
events map[string]map[int]func(*Event)
eventsMutex sync.Mutex
QuitMessage string
lastMessage time.Time
lastMessageMutex sync.Mutex
VerboseCallbackHandler bool
Log *log.Logger
stopped bool
quit bool //User called Quit, do not reconnect.
idCounter int // assign unique IDs to callbacks
}
// A struct to represent an event.
type Event struct {
Code string
Raw string
Nick string //<nick>
Host string //<nick>!<usr>@<host>
Source string //<host>
User string //<usr>
Arguments []string
Tags map[string]string
Connection *Connection
Ctx context.Context
}
// Retrieve the last message from Event arguments.
// This function leaves the arguments untouched and
// returns an empty string if there are none.
func (e *Event) Message() string {
if len(e.Arguments) == 0 {
return ""
}
return e.Arguments[len(e.Arguments)-1]
}
// https://stackoverflow.com/a/10567935/6754440
// Regex of IRC formatting.
var ircFormat = regexp.MustCompile(`[\x02\x1F\x0F\x16\x1D\x1E]|\x03(\d\d?(,\d\d?)?)?`)
// Retrieve the last message from Event arguments, but without IRC formatting (color.
// This function leaves the arguments untouched and
// returns an empty string if there are none.
func (e *Event) MessageWithoutFormat() string {
if len(e.Arguments) == 0 {
return ""
}
return ircFormat.ReplaceAllString(e.Arguments[len(e.Arguments)-1], "")
}
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