1 files changed, 159 insertions, 0 deletions
diff --git a/src/player/TypeRegistry.cpp b/src/player/TypeRegistry.cpp
new file mode 100644
index 0000000..0de3609
--- /dev/null
+++ b/src/player/TypeRegistry.cpp
@@ -0,0 +1,159 @@
+//
+//  libavg - Media Playback Engine. 
+//  Copyright (C) 2003-2014 Ulrich von Zadow
+//
+//  This library 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 of the License, or (at your option) any later version.
+//
+//  This library 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+//  Current versions can be found at www.libavg.de
+//
+//  Original author of this file is Nick Hebner (hebnern@gmail.com).
+//
+
+#include "TypeRegistry.h"
+#include "TypeDefinition.h"
+
+#include "../base/MathHelper.h"
+#include "../base/Exception.h"
+
+#include <set>
+
+using namespace std;
+
+namespace avg {
+
+TypeRegistry* TypeRegistry::s_pInstance = 0;
+
+TypeRegistry::TypeRegistry()
+{
+}
+
+TypeRegistry::~TypeRegistry()
+{
+}
+
+TypeRegistry* TypeRegistry::get()
+{
+    if (!s_pInstance) {
+        s_pInstance = new TypeRegistry();
+    }
+    return s_pInstance;
+}
+
+void TypeRegistry::registerType(const TypeDefinition& def, const char* pParentNames[])
+{
+    m_TypeDefs.insert(TypeDefMap::value_type(def.getName(), def));
+
+    if (pParentNames) {
+        string sChildArray[1];
+        sChildArray[0] = def.getName();
+        vector<string> sChildren = vectorFromCArray(1, sChildArray);
+        const char **ppCurParentName = pParentNames;
+
+        while (*ppCurParentName) {
+            TypeDefinition def = getTypeDef(*ppCurParentName);
+            def.addChildren(sChildren);
+            updateDefinition(def);
+
+            ++ppCurParentName;
+        }
+    }
+}
+
+void TypeRegistry::updateDefinition(const TypeDefinition& def)
+{
+    m_TypeDefs[def.getName()] = def;
+}
+
+ExportedObjectPtr TypeRegistry::createObject(const string& sType, 
+        const xmlNodePtr xmlNode)
+{
+    const TypeDefinition& def = getTypeDef(sType);
+    ArgList args(def.getDefaultArgs(), xmlNode);
+    ObjectBuilder builder = def.getBuilder();
+    ExportedObjectPtr pObj = builder(args);
+    pObj->setTypeInfo(&def);
+    return pObj;
+}
+
+ExportedObjectPtr TypeRegistry::createObject(const string& sType, const py::dict& pyDict)
+{
+    const TypeDefinition& def = getTypeDef(sType);
+    py::dict effParams;
+    effParams = pyDict;
+    ArgList args(def.getDefaultArgs(), effParams);
+    ObjectBuilder builder = def.getBuilder();
+    ExportedObjectPtr pObj = builder(args);
+    pObj->setTypeInfo(&def);
+    return pObj;
+}
+
+string TypeRegistry::getDTD() const
+{
+    if (m_TypeDefs.empty()) {
+        return string("");
+    }
+    
+    stringstream ss;
+    
+    for (TypeDefMap::const_iterator defIt = m_TypeDefs.begin();
+            defIt != m_TypeDefs.end(); defIt++) 
+    {
+        const TypeDefinition& def = defIt->second;
+        if (!def.isAbstract()) {
+            writeTypeDTD(def, ss);
+        }
+    }
+   
+    for (TypeDefMap::const_iterator defIt = m_TypeDefs.begin(); 
+            defIt != m_TypeDefs.end(); defIt++) 
+    {
+        const TypeDefinition& def = defIt->second;
+        if (!def.isAbstract()) {
+            ss << def.getDTDElements();
+        }
+    }
+   
+    return ss.str();
+}
+
+TypeDefinition& TypeRegistry::getTypeDef(const string& sType)
+{
+    TypeDefMap::iterator it = m_TypeDefs.find(sType);
+    if (it == m_TypeDefs.end()) {
+        throw (Exception (AVG_ERR_XML_NODE_UNKNOWN, 
+            string("Unknown node type ") + sType + " encountered."));
+    }
+    return it->second;
+}
+
+void TypeRegistry::writeTypeDTD(const TypeDefinition& def, stringstream& ss) const
+{
+    ss << "<!ELEMENT " << def.getName() << " " << def.getDTDChildrenString() << " >\n";
+    if (!def.getDefaultArgs().getArgMap().empty()) {
+        ss << "<!ATTLIST " << def.getName();
+        for (ArgMap::const_iterator argIt = def.getDefaultArgs().getArgMap().begin(); 
+            argIt != def.getDefaultArgs().getArgMap().end(); argIt++)
+        {
+            string argName = argIt->first;
+            string argType = (argName == "id") ? "ID" : "CDATA";
+            string argRequired = def.getDefaultArgs().getArg(argName)->isRequired() ?
+                    "#REQUIRED" : "#IMPLIED";
+            ss << "\n    " << argName << " " << argType << " " << argRequired;
+        }
+        ss << " >\n";
+    }
+}
+
+}