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using Gee;
namespace Xmpp {
public string get_bare_jid(string jid) {
return jid.split("/")[0];
}
public bool is_bare_jid(string jid) {
return !jid.contains("/");
}
public string? get_resource_part(string jid) {
return jid.split("/")[1];
}
public string random_uuid() {
uint32 b1 = Random.next_int();
uint16 b2 = (uint16)Random.next_int();
uint16 b3 = (uint16)(Random.next_int() | 0x4000u) & ~0xb000u;
uint16 b4 = (uint16)(Random.next_int() | 0x8000u) & ~0x4000u;
uint16 b5_1 = (uint16)Random.next_int();
uint32 b5_2 = Random.next_int();
return "%08x-%04x-%04x-%04x-%04x%08x".printf(b1, b2, b3, b4, b5_1, b5_2);
}
public abstract class StanzaListener<T> : Object {
public abstract string action_group { get; }
public abstract string[] after_actions { get; }
public abstract async void run(Core.XmppStream stream, T stanza);
}
public class StanzaListenerHolder<T> : Object {
private ArrayList<StanzaListener<T>> listeners = new ArrayList<StanzaListener<T>>();
public new void connect(StanzaListener<T> listener) {
listeners.add(listener);
resort_list();
}
public new void disconnect(StanzaListener<T> listener) {
listeners.remove(listener);
resort_list();
}
public async void run(Core.XmppStream stream, T stanza) {
foreach (StanzaListener<T> l in listeners) {
yield l.run(stream, stanza);
}
}
private Gee.List<StanzaListener<T>> set_minus(Gee.List<StanzaListener<T>> main_set, Gee.List<StanzaListener<T>> minus) {
Gee.List<StanzaListener<T>> res = new ArrayList<StanzaListener<T>>();
foreach (StanzaListener<T> l in main_set) {
if (!minus.contains(l)) {
res.add(l);
}
}
return res;
}
private bool set_contains_action(Gee.List<StanzaListener<T>> s, string[] actions) {
foreach(StanzaListener<T> l in s) {
if (l.action_group in actions) {
return true;
}
}
return false;
}
private void resort_list() {
ArrayList<StanzaListener<T>> new_list = new ArrayList<StanzaListener<T>>();
while (listeners.size > new_list.size) {
bool changed = false;
foreach (StanzaListener<T> l in listeners) {
Gee.List<StanzaListener<T>> remaining = set_minus(listeners, new_list);
if (!set_contains_action(remaining, l.after_actions)) {
new_list.add(l);
changed = true;
}
}
if (!changed) warning("Can't sort listeners");
}
listeners = new_list;
}
}
}
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