53 lines
1.0 KiB
Go
53 lines
1.0 KiB
Go
package main
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import (
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"errors"
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"fmt"
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"strconv"
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"strings"
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)
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type IRCFileURL struct {
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Network string
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Channel string
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UserName string
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Slot int
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}
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const ircFileURLFields = 4
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func parseSlot(slotStr string) (int, error) {
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if !strings.HasPrefix(slotStr, "#") {
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return -1, errors.New("invalid slot")
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}
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return strconv.Atoi(strings.TrimPrefix(slotStr, "#"))
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}
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// url has the following format: irc://network/channel/bot/#slot
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func parseIRCFileURl(url string) (*IRCFileURL, error) {
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if !strings.HasPrefix(url, "irc://") {
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return nil, errors.New("not an IRC url")
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}
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fields := strings.Split(strings.TrimPrefix(url, "irc://"), "/")
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if len(fields) != ircFileURLFields {
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return nil, errors.New("invalid IRC url")
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}
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slot, err := parseSlot(fields[3])
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if err != nil {
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return nil, err
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}
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return &IRCFileURL{
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Network: fields[0],
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Channel: fields[1],
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UserName: fields[2],
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Slot: slot,
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}, nil
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}
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func (url *IRCFileURL) String() string {
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return fmt.Sprintf("irc://%s/%s/%s/#%d", url.Network, url.Channel, url.UserName, url.Slot)
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}
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