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authorWim <wim@42.be>2018-08-06 21:47:05 +0200
committerWim <wim@42.be>2018-08-06 21:47:05 +0200
commit51062863a5c34d81e296cf15c61140911037cf3b (patch)
tree9b5e044672486326c7a0ca8fb26430f37bf4d83c /vendor/github.com/lrstanley/girc/cmdhandler
parent4fb4b7aa6c02a54db8ad8dd98e4d321396926c0d (diff)
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Use mod vendor for vendored directory (backwards compatible)
Diffstat (limited to 'vendor/github.com/lrstanley/girc/cmdhandler')
-rw-r--r--vendor/github.com/lrstanley/girc/cmdhandler/cmd.go199
1 files changed, 0 insertions, 199 deletions
diff --git a/vendor/github.com/lrstanley/girc/cmdhandler/cmd.go b/vendor/github.com/lrstanley/girc/cmdhandler/cmd.go
deleted file mode 100644
index a45a42f3..00000000
--- a/vendor/github.com/lrstanley/girc/cmdhandler/cmd.go
+++ /dev/null
@@ -1,199 +0,0 @@
-package cmdhandler
-
-import (
- "errors"
- "fmt"
- "regexp"
- "strings"
- "sync"
-
- "github.com/lrstanley/girc"
-)
-
-// Input is a wrapper for events, based around private messages.
-type Input struct {
- Origin *girc.Event
- Args []string
- RawArgs string
-}
-
-// Command is an IRC command, supporting aliases, help documentation and easy
-// wrapping for message inputs.
-type Command struct {
- // Name of command, e.g. "search" or "ping".
- Name string
- // Aliases for the above command, e.g. "s" for search, or "p" for "ping".
- Aliases []string
- // Help documentation. Should be in the format "<arg> <arg> [arg] --
- // something useful here"
- Help string
- // MinArgs is the minimum required arguments for the command. Defaults to
- // 0, which means multiple, or no arguments can be supplied. If set
- // above 0, this means that the command handler will throw an error asking
- // the person to check "<prefix>help <command>" for more info.
- MinArgs int
- // Fn is the function which is executed when the command is ran from a
- // private message, or channel.
- Fn func(*girc.Client, *Input)
-}
-
-func (c *Command) genHelp(prefix string) string {
- out := "{b}" + prefix + c.Name + "{b}"
-
- if c.Aliases != nil && len(c.Aliases) > 0 {
- out += " ({b}" + prefix + strings.Join(c.Aliases, "{b}, {b}"+prefix) + "{b})"
- }
-
- out += " :: " + c.Help
-
- return out
-}
-
-// CmdHandler is an irc command parser and execution format which you could
-// use as an example for building your own version/bot.
-//
-// An example of how you would register this with girc:
-//
-// ch, err := cmdhandler.New("!")
-// if err != nil {
-// panic(err)
-// }
-//
-// ch.Add(&cmdhandler.Command{
-// Name: "ping",
-// Help: "Sends a pong reply back to the original user.",
-// Fn: func(c *girc.Client, input *cmdhandler.Input) {
-// c.Commands.ReplyTo(*input.Origin, "pong!")
-// },
-// })
-//
-// client.Handlers.AddHandler(girc.PRIVMSG, ch)
-type CmdHandler struct {
- prefix string
- re *regexp.Regexp
-
- mu sync.Mutex
- cmds map[string]*Command
-}
-
-var cmdMatch = `^%s([a-z0-9-_]{1,20})(?: (.*))?$`
-
-// New returns a new CmdHandler based on the specified command prefix. A good
-// prefix is a single character, and easy to remember/use. E.g. "!", or ".".
-func New(prefix string) (*CmdHandler, error) {
- re, err := regexp.Compile(fmt.Sprintf(cmdMatch, regexp.QuoteMeta(prefix)))
- if err != nil {
- return nil, err
- }
-
- return &CmdHandler{prefix: prefix, re: re, cmds: make(map[string]*Command)}, nil
-}
-
-var validName = regexp.MustCompile(`^[a-z0-9-_]{1,20}$`)
-
-// Add registers a new command to the handler. Note that you cannot remove
-// commands once added, unless you add another CmdHandler to the client.
-func (ch *CmdHandler) Add(cmd *Command) error {
- if cmd == nil {
- return errors.New("nil command provided to CmdHandler")
- }
-
- cmd.Name = strings.ToLower(cmd.Name)
- if !validName.MatchString(cmd.Name) {
- return fmt.Errorf("invalid command name: %q (req: %q)", cmd.Name, validName.String())
- }
-
- if cmd.Aliases != nil {
- for i := 0; i < len(cmd.Aliases); i++ {
- cmd.Aliases[i] = strings.ToLower(cmd.Aliases[i])
- if !validName.MatchString(cmd.Aliases[i]) {
- return fmt.Errorf("invalid command name: %q (req: %q)", cmd.Aliases[i], validName.String())
- }
- }
- }
-
- if cmd.MinArgs < 0 {
- cmd.MinArgs = 0
- }
-
- ch.mu.Lock()
- defer ch.mu.Unlock()
-
- if _, ok := ch.cmds[cmd.Name]; ok {
- return fmt.Errorf("command already registered: %s", cmd.Name)
- }
-
- ch.cmds[cmd.Name] = cmd
-
- // Since we'd be storing pointers, duplicates do not matter.
- for i := 0; i < len(cmd.Aliases); i++ {
- if _, ok := ch.cmds[cmd.Aliases[i]]; ok {
- return fmt.Errorf("alias already registered: %s", cmd.Aliases[i])
- }
-
- ch.cmds[cmd.Aliases[i]] = cmd
- }
-
- return nil
-}
-
-// Execute satisfies the girc.Handler interface.
-func (ch *CmdHandler) Execute(client *girc.Client, event girc.Event) {
- if event.Source == nil || event.Command != girc.PRIVMSG {
- return
- }
-
- parsed := ch.re.FindStringSubmatch(event.Trailing)
- if len(parsed) != 3 {
- return
- }
-
- invCmd := strings.ToLower(parsed[1])
- args := strings.Split(parsed[2], " ")
- if len(args) == 1 && args[0] == "" {
- args = []string{}
- }
-
- ch.mu.Lock()
- defer ch.mu.Unlock()
-
- if invCmd == "help" {
- if len(args) == 0 {
- client.Cmd.ReplyTo(event, girc.Fmt("type '{b}!help {blue}<command>{c}{b}' to optionally get more info about a specific command."))
- return
- }
-
- args[0] = strings.ToLower(args[0])
-
- if _, ok := ch.cmds[args[0]]; !ok {
- client.Cmd.ReplyTof(event, girc.Fmt("unknown command {b}%q{b}."), args[0])
- return
- }
-
- if ch.cmds[args[0]].Help == "" {
- client.Cmd.ReplyTof(event, girc.Fmt("there is no help documentation for {b}%q{b}"), args[0])
- return
- }
-
- client.Cmd.ReplyTo(event, girc.Fmt(ch.cmds[args[0]].genHelp(ch.prefix)))
- return
- }
-
- cmd, ok := ch.cmds[invCmd]
- if !ok {
- return
- }
-
- if len(args) < cmd.MinArgs {
- client.Cmd.ReplyTof(event, girc.Fmt("not enough arguments supplied for {b}%q{b}. try '{b}%shelp %s{b}'?"), invCmd, ch.prefix, invCmd)
- return
- }
-
- in := &Input{
- Origin: &event,
- Args: args,
- RawArgs: parsed[2],
- }
-
- go cmd.Fn(client, in)
-}