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lircrouter.go

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package lirc

import (

"log"

"path/filepath"

)

type remoteButton struct {

remote string

button string

}

// Handle is a function that can be registered to handle an lirc Event

type Handle func(Event)

// Handle registers a new event handler for a defined key

func (l *Router) Handle(remote string, button string, handle Handle) {

var rb remoteButton

if remote == "" {

rb.remote = "*"

} else {

rb.remote = remote

}

if button == "" {

rb.button = "*"

} else {

rb.button = button

}

if l.handlers == nil {

l.handlers = make(map[remoteButton]Handle)

}

l.handlers[rb] = handle

}

// Run this in a go routine to listen for IR Key Press Events

func (l *Router) Run() {

var rb remoteButton

for {

event := <-l.receive

match := 0

// Check for exact match

rb.remote = event.Remote

rb.button = event.Button

if h, ok := l.handlers[rb]; ok {

h(event)

continue

}

// Check for pattern matches

for k, h := range l.handlers {

remoteMatched, _ := filepath.Match(k.remote, event.Remote)

buttonMatched, _ := filepath.Match(k.button, event.Button)

if remoteMatched && buttonMatched {

h(event)

match = 1

}

}

if match == 0 {

log.Println("No match for ", event)

}

}

}