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using Gee;
namespace Xmpp {
public class XmppLog {
protected const string ANSI_COLOR_END = "\x1b[0m";
protected const string ANSI_COLOR_WHITE = "\x1b[37;1m";
class NodeLogDesc {
public string? name;
private string? ns_uri;
private string? val;
private Map<string, string?> attrs = new HashMap<string, string?>();
private NodeLogDesc? inner;
public NodeLogDesc(string desc) {
string d = desc;
if (d.contains("[")) {
int start = d.index_of("[");
int end = d.index_of("]");
string attrs = d.substring(start + 1, end - start - 1);
d = d.substring(0, start) + d.substring(end + 1);
foreach (string attr in attrs.split(",")) {
if (attr.contains("=")) {
string key = attr.substring(0, attr.index_of("="));
string val = attr.substring(attr.index_of("=") + 1);
this.attrs[key] = val;
} else {
this.attrs[attr] = null;
}
}
}
if (d.contains(":") && d.index_of("{") == 0 && d.index_of("}") != -1) {
int end = d.index_of("}");
this.ns_uri = d.substring(1, end - 1);
d = d.substring(end + 2);
}
if (d.contains(".")) {
inner = new NodeLogDesc(d.substring(d.index_of(".") + 1));
d = d.substring(0, d.index_of("."));
} else if (d.contains("=")) {
this.val = d.substring(d.index_of("="));
d = d.substring(0, d.index_of("="));
}
if (d != "") this.name = d;
}
public bool matches(StanzaNode node) {
if (name != null && node.name != name) return false;
if (ns_uri != null && node.ns_uri != ns_uri) return false;
if (val != null && node.val != val) return false;
foreach (var pair in attrs.entries) {
if (pair.value == null && node.get_attribute(pair.key) == null) return false;
else if (pair.value != null && pair.value != node.get_attribute(pair.key)) return false;
}
if (inner == null) return true;
foreach (StanzaNode snode in node.get_all_subnodes()) {
if (((!)inner).matches(snode)) return true;
}
return false;
}
}
private bool use_ansi;
private bool hide_ns = true;
private string ident;
private string desc;
private Gee.List<NodeLogDesc> descs = new ArrayList<NodeLogDesc>();
public XmppLog(string? ident = null, string? desc = null) {
this.ident = ident ?? "";
this.desc = desc ?? "";
this.use_ansi = is_atty(stderr.fileno());
while (this.desc.contains(";")) {
string opt = this.desc.substring(0, this.desc.index_of(";"));
this.desc = this.desc.substring(opt.length + 1);
switch (opt) {
case "ansi": use_ansi = true; break;
case "no-ansi": use_ansi = false; break;
case "hide-ns": hide_ns = true; break;
case "show-ns": hide_ns = false; break;
}
}
if (desc != "") {
foreach (string d in this.desc.split("|")) {
descs.add(new NodeLogDesc(d));
}
}
}
public virtual bool should_log_node(StanzaNode node) {
if (ident == "" || desc == "") return false;
if (desc == "all") return true;
foreach (var desc in descs) {
if (desc.matches(node)) return true;
}
return false;
}
public virtual bool should_log_str(string str) {
if (ident == "" || desc == "") return false;
if (desc == "all") return true;
foreach (var desc in descs) {
if (desc.name == "#text") return true;
}
return false;
}
public void node(string what, StanzaNode node, XmppStream stream) {
if (should_log_node(node)) {
stderr.printf("%sXMPP %s [%s %p %s]%s\n%s\n", use_ansi ? ANSI_COLOR_WHITE : "", what, ident, stream, new DateTime.now_local().to_string(), use_ansi ? ANSI_COLOR_END : "", use_ansi ? node.to_ansi_string(hide_ns) : node.to_string());
}
}
public void str(string what, string str, XmppStream stream) {
if (should_log_str(str)) {
stderr.printf("%sXMPP %s [%s %p %s]%s\n%s\n", use_ansi ? ANSI_COLOR_WHITE : "", what, ident, stream, new DateTime.now_local().to_string(), use_ansi ? ANSI_COLOR_END : "", str);
}
}
[CCode (cname = "isatty")]
private static extern bool is_atty(int fd);
}
}
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