1 // Copyright 2017 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef CORE_FXCRT_XML_CXML_OBJECT_H_ 8 #define CORE_FXCRT_XML_CXML_OBJECT_H_ 9 10 class CXML_Content; 11 class CXML_Element; 12 13 class CXML_Object { 14 public: 15 virtual ~CXML_Object(); 16 17 virtual CXML_Content* AsContent(); 18 virtual const CXML_Content* AsContent() const; 19 20 virtual CXML_Element* AsElement(); 21 virtual const CXML_Element* AsElement() const; 22 23 protected: CXML_Object()24 CXML_Object() {} 25 }; 26 ToContent(CXML_Object * pObj)27inline CXML_Content* ToContent(CXML_Object* pObj) { 28 return pObj ? pObj->AsContent() : nullptr; 29 } 30 ToContent(const CXML_Object * pObj)31inline const CXML_Content* ToContent(const CXML_Object* pObj) { 32 return pObj ? pObj->AsContent() : nullptr; 33 } 34 ToElement(CXML_Object * pObj)35inline CXML_Element* ToElement(CXML_Object* pObj) { 36 return pObj ? pObj->AsElement() : nullptr; 37 } 38 ToElement(const CXML_Object * pObj)39inline const CXML_Element* ToElement(const CXML_Object* pObj) { 40 return pObj ? pObj->AsElement() : nullptr; 41 } 42 43 #endif // CORE_FXCRT_XML_CXML_OBJECT_H_ 44