using Gee; namespace Xmpp.Core { public abstract class StanzaEntry { public string? ns_uri; public string name; public string? val; public string encoded_val { owned get { return val.replace("&", "&").replace("\"", """).replace("'", "'").replace("<", "<").replace(">", ">"); } set { string tmp = value.replace(">", ">").replace("<", "<").replace("'","'").replace(""","\""); while (tmp.contains("&#")) { int start = tmp.index_of("&#"); int end = tmp.index_of(";", start); if (end < start) break; unichar num = -1; if (tmp[start+2]=='x') { tmp.substring(start+3, start-end-3).scanf("%x", &num); } else { num = int.parse(tmp.substring(start+2, start-end-2)); } tmp = tmp.splice(start, end, num.to_string()); } val = tmp.replace("&", "&"); } } public virtual unowned string? get_string_content() { return val; } } public class NoStanza : StanzaEntry { public NoStanza(string? name) { this.name = name; } } public class StanzaNode : StanzaEntry { public ArrayList sub_nodes = new ArrayList(); public ArrayList attributes = new ArrayList(); public bool has_nodes = false; public bool pseudo = false; public StanzaNode () {} public StanzaNode.build(string name, string ns_uri = "jabber:client", ArrayList? nodes = null, ArrayList? attrs = null) { this.ns_uri = ns_uri; this.name = name; if (nodes != null) this.sub_nodes.add_all(nodes); if (attrs != null) this.attributes.add_all(attrs); } public StanzaNode.text(string text) { this.name = "#text"; this.val = text; } public StanzaNode.encoded_text(string text) { this.name = "#text"; this.encoded_val = text; } public StanzaNode add_self_xmlns() { return put_attribute("xmlns", ns_uri); } public unowned string? get_attribute(string name, string? ns_uri = null) { string _name = name; string? _ns_uri = ns_uri; if (_ns_uri == null) { if (_name.contains(":")) { var lastIndex = _name.last_index_of_char(':'); _ns_uri = _name.substring(0, lastIndex); _name = _name.substring(lastIndex + 1); } else { _ns_uri = this.ns_uri; } } foreach(var attr in attributes) { if (attr.ns_uri == _ns_uri && attr.name == _name) return attr.val; } return null; } public StanzaAttribute get_attribute_raw(string name, string? ns_uri = null) { string _name = name; string? _ns_uri = ns_uri; if (_ns_uri == null) { if (_name.contains(":")) { var lastIndex = _name.last_index_of_char(':'); _ns_uri = _name.substring(0, lastIndex); _name = _name.substring(lastIndex + 1); } else { _ns_uri = this.ns_uri; } } foreach(var attr in attributes) { if (attr.ns_uri == _ns_uri && attr.name == _name) return attr; } return null; } public ArrayList get_attributes_by_ns_uri(string ns_uri) { ArrayList ret = new ArrayList (); foreach(var attr in attributes) { if (attr.ns_uri == ns_uri) ret.add(attr); } return ret; } public StanzaEntry get(...) { va_list l = va_list(); StanzaEntry? res = get_deep_attribute_(va_list.copy(l)); if (res != null) return res; res = get_deep_subnode_(va_list.copy(l)); if (res != null) return res; return new NoStanza("-"); } public unowned string? get_deep_attribute(...) { va_list l = va_list(); var res = get_deep_attribute_(va_list.copy(l)); if (res == null) return null; return res.val; } public StanzaAttribute? get_deep_attribute_(va_list l) { StanzaNode? node = this; string? attribute_name = l.arg(); if (attribute_name == null) return null; while(true) { string? s = l.arg(); if (s == null) break; node = get_subnode(attribute_name); if (node == null) return null; attribute_name = s; } return node.get_attribute_raw(attribute_name); } public StanzaNode? get_subnode(string name, string? ns_uri = null, bool recurse = false) { string _name = name; string? _ns_uri = ns_uri; if (ns_uri == null) { if (_name.contains(":")) { var lastIndex = _name.last_index_of_char(':'); _ns_uri = _name.substring(0, lastIndex); _name = _name.substring(lastIndex + 1); } else { _ns_uri = this.ns_uri; } } foreach(var node in sub_nodes) { if (node.ns_uri == _ns_uri && node.name == _name) return node; if (recurse) { var x = node.get_subnode(_name, _ns_uri, recurse); if (x != null) return x; } } return null; } public ArrayList get_subnodes(string name, string? ns_uri = null, bool recurse = false) { ArrayList ret = new ArrayList(); if (ns_uri == null) ns_uri = this.ns_uri; foreach(var node in sub_nodes) { if (node.ns_uri == ns_uri && node.name == name) ret.add(node); if (recurse) { ret.add_all(node.get_subnodes(name, ns_uri, recurse)); } } return ret; } public StanzaNode? get_deep_subnode(...) { va_list l = va_list(); return get_deep_subnode_(va_list.copy(l)); } public StanzaNode? get_deep_subnode_(va_list l) { StanzaNode? node = this; while(true) { string? s = l.arg(); if (s == null) break; node = get_subnode(s); } return node; } public ArrayList get_all_subnodes() { return sub_nodes; } public void add_attribute(StanzaAttribute attr) { attributes.add(attr); } public override unowned string? get_string_content() { if (val != null) return val; if (sub_nodes.size == 1) return sub_nodes[0].get_string_content(); return null; } public StanzaNode put_attribute(string name, string val, string? ns_uri = null) { if (name == "xmlns") ns_uri = XMLNS_URI; if (ns_uri == null) ns_uri = this.ns_uri; attributes.add(new StanzaAttribute.build(ns_uri, name, val)); return this; } /** * Set only occurence **/ public void set_attribute(string name, string val, string? ns_uri = null) { if (ns_uri == null) ns_uri = this.ns_uri; foreach(var attr in attributes) { if (attr.ns_uri == ns_uri && attr.name == name) { attr.val = val; return; } } put_attribute(name, val, ns_uri); } public StanzaNode put_node(StanzaNode node) { sub_nodes.add(node); return this; } public string to_string(int i = 0) { string indent = string.nfill (i * 2, ' '); if (name == "#text") { return @"$indent$val\n"; } var sb = new StringBuilder(); sb.append(@"$indent<{$ns_uri}:$name"); foreach (StanzaAttribute attr in attributes) { sb.append_printf(" %s", attr.to_string()); } if (!has_nodes && sub_nodes.size == 0) { sb.append(" />\n"); } else { sb.append(">\n"); if (sub_nodes.size != 0) { foreach (StanzaNode subnode in sub_nodes) { sb.append(subnode.to_string(i+1)); } sb.append(@"$indent\n"); } } return sb.str; } public string to_xml (NamespaceState? state = null) throws XmlError { NamespaceState my_state = state ?? new NamespaceState.for_stanza(); if (name == "#text") return @"$encoded_val"; foreach(var xmlns in get_attributes_by_ns_uri (XMLNS_URI)) { if (xmlns.name == "xmlns") { my_state = new NamespaceState.with_current(my_state, xmlns.val); } else { my_state = new NamespaceState.with_assoc(my_state, xmlns.val, xmlns.name); } } var sb = new StringBuilder(); if (ns_uri == my_state.current_ns_uri) { sb.append(@"<$name"); } else { sb.append_printf("<%s:%s", my_state.find_name (ns_uri), name); } var attr_ns_state = new NamespaceState.with_current(my_state, ns_uri); foreach (StanzaAttribute attr in attributes) { sb.append_printf(" %s", attr.to_xml(attr_ns_state)); } if (!has_nodes && sub_nodes.size == 0) { sb.append("/>"); } else { sb.append(">"); if (sub_nodes.size != 0) { foreach (StanzaNode subnode in sub_nodes) { sb.append(subnode.to_xml(my_state)); } if (ns_uri == my_state.current_ns_uri) { sb.append(@""); } else { sb.append_printf("", my_state.find_name (ns_uri), name); } } } return sb.str; } } }