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/*
* vdr-menuorg - A plugin for the Linux Video Disk Recorder
* Copyright (C) 2007 Thomas Creutz, Tobias Grimm
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*
*/
#include "menuconfiguration.h"
#include <libxml++/libxml++.h>
#include <exception>
#include <iostream>
#include <vdr/plugin.h>
#include "systemmenunode.h"
#include "submenunode.h"
#include "pluginmenunode.h"
#include "commandmenunode.h"
using namespace xmlpp;
using namespace std;
const string MenuConfiguration::_dtd =
"<!ELEMENT menus ((menu | system | plugin | command)+)>\n"
"<!ELEMENT menu ((menu | system | plugin | command)+)>\n"
"<!ATTLIST menu name CDATA #REQUIRED>\n"
"<!ELEMENT system EMPTY>\n"
"<!ATTLIST system name CDATA #REQUIRED>\n"
"<!ELEMENT plugin EMPTY>\n"
"<!ATTLIST plugin name CDATA #REQUIRED>\n"
"<!ELEMENT command EMPTY>\n"
"<!ATTLIST command\n"
" name CDATA #REQUIRED\n"
" execute CDATA #REQUIRED\n"
" confirm (yes|no) #IMPLIED>";
MenuNode* MenuConfiguration::LoadMenu(string menuFileName)
{
MenuNode* menuRoot = new MenuNode();
try
{
dsyslog("loading menuorg config file from %s", menuFileName.c_str());
DomParser parser;
parser.set_substitute_entities();
parser.parse_file(menuFileName);
DtdValidator validator;
validator.parse_memory(_dtd);
Document *pDoc = parser.get_document();
validator.validate( pDoc );
const Element* rootElement = parser.get_document()->get_root_node();
ParseElement(rootElement, menuRoot);
AddUnconfiguredPlugins(menuRoot);
}
catch(const std::exception& ex)
{
delete menuRoot;
menuRoot = NULL;
cerr << "menuorg: Exception caught when parsing xml configuration: " << ex.what();
esyslog("Exception caught when parsing xml configuration. See stderr output for details.");
}
return menuRoot;
}
void MenuConfiguration::ParseElement(const Element* element, MenuNode* menuNode)
{
Node::NodeList children = element->get_children();
for (Node::NodeList::iterator i = children.begin(); i != children.end(); i++)
{
const xmlpp::Element* childElement = dynamic_cast<const xmlpp::Element*>(*i);
if (childElement)
{
const xmlpp::Attribute* nameAttribute = childElement->get_attribute("name");
string type = childElement->get_name();
string name = nameAttribute->get_value();
if ( type == "menu")
{
MenuNode* subMenu = AddSubMenuNode(name, menuNode);
ParseElement(childElement, subMenu);
}
else if (type == "system")
{
AddSystemMenuNode(name, menuNode);
}
else if (type == "plugin")
{
AddPluginMenuNode(name, menuNode);
}
else if (type == "command")
{
string execute = childElement->get_attribute("execute")->get_value();
const xmlpp::Attribute* confirmAttribute = childElement->get_attribute("confirm");
bool confirm = confirmAttribute ? (confirmAttribute->get_value() == "yes") : false;
AddCommandMenuNode(name, execute, confirm, menuNode);
}
}
}
}
MenuNode* MenuConfiguration::AddSubMenuNode(string name, MenuNode* menu)
{
return menu->AddChild(new SubMenuNode(name));
}
void MenuConfiguration::AddSystemMenuNode(string name, MenuNode* menu)
{
menu->AddChild(new SystemMenuNode(name, MenuTextToVdrState(name)));
}
void MenuConfiguration::AddPluginMenuNode(string pluginName, MenuNode* menu)
{
int pluginIndex;
cPlugin* plugin;
if (FindPluginByName(pluginName, plugin, pluginIndex))
{
_configuredPlugins.push_back(pluginName);
menu->AddChild(new PluginMenuNode(plugin, pluginIndex));
}
}
eOSState MenuConfiguration::MenuTextToVdrState(string menuText)
{
if (menuText == "Schedule")
{
return osSchedule;
}
else if (menuText == "Channels")
{
return osChannels;
}
else if (menuText == "Timers")
{
return osTimers;
}
else if (menuText == "Recordings")
{
return osRecordings;
}
else if (menuText == "Setup")
{
return osSetup;
}
else if (menuText == "Commands")
{
return osCommands;
}
else
return osContinue;
}
bool MenuConfiguration::FindPluginByName(string name, cPlugin*& plugin, int& pluginIndex)
{
int i = 0;
while (cPlugin *currentPlugin = cPluginManager::GetPlugin(i))
{
if (name == currentPlugin->Name())
{
plugin = currentPlugin;
pluginIndex = i;
return true;
}
i++;
}
return false;
}
void MenuConfiguration::AddUnconfiguredPlugins(MenuNode* menu)
{
int i = 0;
while (cPlugin *plugin = cPluginManager::GetPlugin(i))
{
if (find(_configuredPlugins.begin(), _configuredPlugins.end(), plugin->Name()) == _configuredPlugins.end())
{
menu->AddChild(new PluginMenuNode(plugin, i));
}
i++;
}
}
void MenuConfiguration::AddCommandMenuNode(string name, string command, bool confirm, MenuNode* menu)
{
menu->AddChild(new CommandMenuNode(name, command, confirm));
}
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