renamed XmlMenu to MenuConfiguration

git-svn-id: file:///home/tobias/sandbox/vdr/--/vdr-pkg/vdr-pkg/submenu/trunk@5825 cd0d6b48-d4f9-0310-940f-ab8c4eb44d3f

1 files changed, 179 insertions, 0 deletions

diff --git a/src/menuconfiguration.cpp b/src/menuconfiguration.cpp
new file mode 100644
index 0000000..a25c56c
--- /dev/null
+++ b/src/menuconfiguration.cpp
@@ -0,0 +1,179 @@
+/*
+ * 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 <vdr/plugin.h>
+#include "systemmenuitem.h"
+#include "submenuitem.h"
+#include "pluginmenuitem.h"
+
+using namespace xmlpp;
+using namespace std;
+
+const string MenuConfiguration::_dtd = 
+  "<!ELEMENT menus ((menu | system | plugin)+)>\n"
+  "<!ELEMENT menu ((menu | system | plugin)+)>\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";
+
+MenuNode* MenuConfiguration::LoadMenu(string menuFileName, string schemaFileName)
+{ 
+    MenuNode* menuRoot = new MenuNode();
+
+    try
+    {
+        dsyslog("loading menuorg config file from %s and schema from %s", menuFileName.c_str(), schemaFileName.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);
+    }
+    catch(const std::exception& ex)
+    {
+        delete menuRoot;
+        menuRoot = NULL;
+
+        esyslog("Exception caught when parsing xml configuration: %s", ex.what());
+    }
+
+    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");
+
+            if (nameAttribute)
+            {
+                string type = childElement->get_name();
+                string name = nameAttribute->get_value();
+
+                if ( type == "menu")
+                {
+                    MenuNode* subMenu = AddSubMenuItem(name, menuNode);
+                    ParseElement(childElement, subMenu);
+                }
+                else if (type == "system")
+                {
+                    AddSystemMenuItem(name, menuNode);
+                }
+                else if (type == "plugin")
+                {
+                    AddPluginMenuItem(name, menuNode);
+                }
+            }
+        }
+    }
+}
+
+MenuNode* MenuConfiguration::AddSubMenuItem(string name, MenuNode* menu)
+{
+    return menu->AddChild(new SubMenuItem(name));
+}
+
+void MenuConfiguration::AddSystemMenuItem(string name, MenuNode* menu)
+{
+    menu->AddChild(new SystemMenuItem(name, MenuTextToVdrState(name)));
+}
+
+void MenuConfiguration::AddPluginMenuItem(string pluginName, MenuNode* menu)
+{
+    const char* pluginMainMenuEntry;
+    int pluginIndex;
+
+    if (FindPluginByName(pluginName, &pluginMainMenuEntry, pluginIndex))
+    {
+        menu->AddChild(new PluginMenuItem(pluginMainMenuEntry, 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, const char** mainMenuEntry, int& pluginIndex)
+{
+    int i = 0;
+
+    while (cPlugin *plugin = cPluginManager::GetPlugin(i))
+    {
+        if (name == plugin->Name()) 
+        {
+            if (const char *item = plugin->MainMenuEntry())
+            {
+                pluginIndex = i;
+                *mainMenuEntry = item;
+                return true;
+            }
+        }
+        i++;
+    }
+
+    return false;
+}