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 attrs = new HashMap(); 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 descs = new ArrayList(); 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) { if (should_log_node(node)) { stderr.printf("%sXMPP %s [%s]%s\n%s\n", ANSI_COLOR_WHITE, what, ident, ANSI_COLOR_END, use_ansi ? node.to_ansi_string(hide_ns) : node.to_string()); } } public void str(string what, string str) { if (should_log_str(str)) { stderr.printf("%sXMPP %s [%s]%s\n%s\n", ANSI_COLOR_WHITE, what, ident, ANSI_COLOR_END, str); } } [CCode (cname = "isatty")] private static extern bool is_atty(int fd); } }