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/*
* Copyright (C) 2013 Cable Television Laboratories, Inc.
*
* Author: Neha Shanbhag <N.Shanbhag@cablelabs.com>
* Contact: http://www.cablelabs.com/
*
* This file is part of Rygel.
*
* Rygel is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Rygel is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
using Gee;
using Xml;
protected class ProtocolElem : UIListing {
private string short_name = null;
private string protocol_info = null;
private Gee.ArrayList<string> uris;
public ProtocolElem (Xml.Node* node) throws Rygel.RuihServiceError {
this.uris = new ArrayList<string> ();
for (var prop = node->properties; prop != null; prop = prop->next) {
var attr_name = prop->name;
switch (attr_name) {
case SHORT_NAME:
this.short_name = prop->children->content;
break;
default:
var msg = _("Unable to parse Protocol data — unexpected attribute: %s");
throw new Rygel.RuihServiceError.OPERATION_REJECTED
(msg.printf (attr_name));
}
}
foreach (var child_node in new Rygel.XMLUtils.ChildIterator (node)) {
if (child_node->type == Xml.ElementType.TEXT_NODE) {
// ignore text nodes
continue;
}
var node_name = child_node->name;
switch (node_name) {
case URI:
this.uris.add (child_node->get_content ());
break;
case PROTOCOL_INFO:
this.protocol_info = child_node->get_content ();
break;
default:
var msg = _("Unable to parse Protocol data — unexpected node: %s");
throw new Rygel.RuihServiceError.OPERATION_REJECTED
(msg.printf (node_name));
}
}
}
public string get_short_name () {
return this.short_name;
}
public string get_protocol_info () {
return this.protocol_info;
}
public override bool match (Gee.ArrayList<ProtocolElem>? protocols,
Gee.ArrayList<FilterEntry> filters) {
if (protocols == null || protocols.size == 0) {
return true;
}
foreach (var proto in protocols) {
if (this.short_name == proto.get_short_name ()) {
// Optionally if a protocolInfo is specified
// match on that as well.
if (proto.get_protocol_info () != null &&
proto.get_protocol_info ()._strip ().length > 0) {
if (proto.get_protocol_info () == this.protocol_info) {
return true;
}
} else {
return true;
}
}
}
return false;
}
public override string to_ui_listing (ArrayList<FilterEntry> filters) {
var matches = false;
var elements = new HashMap<string, string> ();
if ((this.short_name != null) &&
(this.filters_match (filters, SHORT_NAME, this.short_name))) {
matches = true;
}
if ((this.protocol_info != null) &&
(this.filters_match (filters, PROTOCOL_INFO, this.protocol_info))) {
elements.set (PROTOCOL_INFO, this.protocol_info);
matches = true;
}
var sb = new StringBuilder ();
if (matches) {
sb.append ("<" + PROTOCOL + " " +
SHORT_NAME + "=\"" + this.short_name + "\">\n");
if (this.uris.size > 0) {
foreach (var uri in this.uris)
{
sb.append ("<").append (URI).append (">")
.append (uri)
.append ("</").append (URI).append (">\n");
}
}
sb.append (this.to_xml (elements));
sb.append ("</" + PROTOCOL + ">\n");
}
return sb.str;
}
}
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