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/****************************************************************************
**
** Copyright (C) 2013 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT3DS_STATE_CONTEXT_H
#define QT3DS_STATE_CONTEXT_H
#include "Qt3DSState.h"
#include "Qt3DSStateTypes.h"
namespace qt3ds {
namespace state {
// Thanks to the crazy world we live in, we have to store xml extension information
// on the state context.
struct SItemExtensionInfo
{
void *m_ItemPtr;
TDOMElementNodeList m_ExtensionNodes;
TDOMAttributeNodeList m_ExtensionAttributes;
SItemExtensionInfo(void *inItemPtr)
: m_ItemPtr(inItemPtr)
{
}
};
typedef nvhash_map<void *, SItemExtensionInfo> TPtrExtensionMap;
// Parsing produces a list of send objects that need to be added into the script
// context if they have their idlocation attribute set.
typedef nvvector<SSend *> TSendList;
class IStateContext : public NVRefCounted
{
public:
// Can only be done once.
virtual void SetRoot(SSCXML &inRoot) = 0;
virtual SSCXML *GetRoot() = 0;
virtual void AddSendToList(SSend &inSend) = 0;
virtual NVConstDataRef<SSend *> GetSendList() = 0;
virtual void SetDOMFactory(IDOMFactory *inFactory) = 0;
virtual IDOMFactory *GetDOMFactory() = 0;
virtual NVConstDataRef<NVScopedRefCounted<IStateContext>> GetSubContexts() = 0;
virtual bool ContainsId(const CRegisteredString &inId) = 0;
virtual bool InsertId(const CRegisteredString &inId, const SIdValue &inValue) = 0;
virtual void EraseId(const CRegisteredString &inId) = 0;
virtual SStateNode *FindStateNode(const CRegisteredString &inStr) = 0;
virtual SSend *FindSend(const CRegisteredString &inStr) = 0;
virtual SItemExtensionInfo *GetExtensionInfo(void *inItem) = 0;
virtual SItemExtensionInfo &GetOrCreateExtensionInfo(void *inItem) = 0;
virtual void SetFirstNSNode(SNamespacePairNode &inNode) = 0;
virtual SNamespacePairNode *GetFirstNSNode() = 0;
virtual void Save(IOutStream &inOutStream, editor::IEditor *inEditor = NULL) = 0;
// The graph allocator is expected to release anything allocated via it; the general
// allocator doesn't need to do this.
// Filename is stored on the context for debugging purposes, editor is used if during
// loading so we can load extra
// information that is associated with but not stored on the state graph.
// String table will be created if not passed in, editor is optional.
static IStateContext *Load(NVAllocatorCallback &inGraphAllocator,
NVFoundationBase &inFoundation, IInStream &inStream,
const char8_t *inFilename, IStringTable *inStrTable = NULL,
editor::IEditor *inEditor = NULL);
static IStateContext *Create(NVFoundationBase &inGeneralAlloc);
};
}
}
#endif
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