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// Copyright 2017 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef XFA_FXFA_PARSER_CXFA_OBJECT_H_
#define XFA_FXFA_PARSER_CXFA_OBJECT_H_
#include "core/fxcrt/fx_string.h"
#include "fxjs/gc/heap.h"
#include "fxjs/xfa/fxjse.h"
#include "v8/include/cppgc/garbage-collected.h"
#include "v8/include/cppgc/member.h"
#include "xfa/fxfa/fxfa_basic.h"
namespace cppgc {
class Visitor;
} // namespace cppgc
enum class XFA_ObjectType {
Object,
List,
Node,
NodeC,
NodeV,
ModelNode,
TextNode,
TreeList,
ContainerNode,
ContentNode,
ThisProxy,
};
class CJX_Object;
class CXFA_Document;
class CXFA_List;
class CXFA_Node;
class CXFA_ThisProxy;
class CXFA_TreeList;
class CXFA_Object : public cppgc::GarbageCollected<CXFA_Object> {
public:
virtual ~CXFA_Object();
virtual void Trace(cppgc::Visitor* visitor) const;
CXFA_Document* GetDocument() const { return m_pDocument.Get(); }
XFA_ObjectType GetObjectType() const { return m_objectType; }
bool IsList() const {
return m_objectType == XFA_ObjectType::List ||
m_objectType == XFA_ObjectType::TreeList;
}
bool IsNode() const {
return m_objectType == XFA_ObjectType::Node ||
m_objectType == XFA_ObjectType::NodeC ||
m_objectType == XFA_ObjectType::NodeV ||
m_objectType == XFA_ObjectType::ModelNode ||
m_objectType == XFA_ObjectType::TextNode ||
m_objectType == XFA_ObjectType::ContainerNode ||
m_objectType == XFA_ObjectType::ContentNode;
}
bool IsTreeList() const { return m_objectType == XFA_ObjectType::TreeList; }
bool IsContentNode() const {
return m_objectType == XFA_ObjectType::ContentNode;
}
bool IsContainerNode() const {
return m_objectType == XFA_ObjectType::ContainerNode;
}
bool IsModelNode() const { return m_objectType == XFA_ObjectType::ModelNode; }
bool IsNodeV() const { return m_objectType == XFA_ObjectType::NodeV; }
bool IsThisProxy() const { return m_objectType == XFA_ObjectType::ThisProxy; }
CXFA_List* AsList();
CXFA_Node* AsNode();
CXFA_TreeList* AsTreeList();
CXFA_ThisProxy* AsThisProxy();
CJX_Object* JSObject() { return m_pJSObject; }
const CJX_Object* JSObject() const { return m_pJSObject; }
bool HasCreatedUIWidget() const {
return m_elementType == XFA_Element::Field ||
m_elementType == XFA_Element::Draw ||
m_elementType == XFA_Element::Subform ||
m_elementType == XFA_Element::ExclGroup;
}
XFA_Element GetElementType() const { return m_elementType; }
ByteStringView GetClassName() const { return m_elementName; }
uint32_t GetClassHashCode() const { return m_elementNameHash; }
WideString GetSOMExpression();
protected:
CXFA_Object(CXFA_Document* pDocument,
XFA_ObjectType objectType,
XFA_Element eType,
CJX_Object* jsObject);
const XFA_ObjectType m_objectType;
const XFA_Element m_elementType;
const ByteStringView m_elementName;
const uint32_t m_elementNameHash;
cppgc::WeakMember<CXFA_Document> m_pDocument;
cppgc::Member<CJX_Object> m_pJSObject;
};
// Helper functions that permit nullptr arguments.
CXFA_List* ToList(CXFA_Object* pObj);
CXFA_Node* ToNode(CXFA_Object* pObj);
CXFA_TreeList* ToTreeList(CXFA_Object* pObj);
CXFA_ThisProxy* ToThisProxy(CXFA_Object* pObj);
#endif // XFA_FXFA_PARSER_CXFA_OBJECT_H_