// Copyright 2014 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 CORE_INCLUDE_FXCRT_FX_XML_H_ #define CORE_INCLUDE_FXCRT_FX_XML_H_ #include <memory> #include <vector> #include "core/include/fxcrt/fx_basic.h" class CXML_AttrItem { public: bool Matches(const CFX_ByteStringC& space, const CFX_ByteStringC& name) const; CFX_ByteString m_QSpaceName; CFX_ByteString m_AttrName; CFX_WideString m_Value; }; class CXML_AttrMap { public: const CFX_WideString* Lookup(const CFX_ByteStringC& space, const CFX_ByteStringC& name) const; void SetAt(const CFX_ByteStringC& space, const CFX_ByteStringC& name, const CFX_WideStringC& value); int GetSize() const; CXML_AttrItem& GetAt(int index) const; std::unique_ptr<std::vector<CXML_AttrItem>> m_pMap; }; class CXML_Content { public: CXML_Content() : m_bCDATA(FALSE), m_Content() {} void Set(FX_BOOL bCDATA, const CFX_WideStringC& content) { m_bCDATA = bCDATA; m_Content = content; } FX_BOOL m_bCDATA; CFX_WideString m_Content; }; class CXML_Element { public: enum ChildType { Invalid, Element, Content }; static CXML_Element* Parse(const void* pBuffer, size_t size, FX_BOOL bSaveSpaceChars = FALSE, FX_FILESIZE* pParsedSize = NULL); static CXML_Element* Parse(IFX_FileRead* pFile, FX_BOOL bSaveSpaceChars = FALSE, FX_FILESIZE* pParsedSize = NULL); static CXML_Element* Parse(IFX_BufferRead* pBuffer, FX_BOOL bSaveSpaceChars = FALSE, FX_FILESIZE* pParsedSize = NULL); CXML_Element(const CFX_ByteStringC& qSpace, const CFX_ByteStringC& tagName); CXML_Element(const CFX_ByteStringC& qTagName); CXML_Element(); ~CXML_Element(); void Empty(); CFX_ByteString GetTagName(FX_BOOL bQualified = FALSE) const; CFX_ByteString GetNamespace(FX_BOOL bQualified = FALSE) const; CFX_ByteString GetNamespaceURI(const CFX_ByteStringC& qName) const; CXML_Element* GetParent() const { return m_pParent; } FX_DWORD CountAttrs() const { return m_AttrMap.GetSize(); } void GetAttrByIndex(int index, CFX_ByteString& space, CFX_ByteString& name, CFX_WideString& value) const; FX_BOOL HasAttr(const CFX_ByteStringC& qName) const; FX_BOOL GetAttrValue(const CFX_ByteStringC& name, CFX_WideString& attribute) const; CFX_WideString GetAttrValue(const CFX_ByteStringC& name) const { CFX_WideString attr; GetAttrValue(name, attr); return attr; } FX_BOOL GetAttrValue(const CFX_ByteStringC& space, const CFX_ByteStringC& name, CFX_WideString& attribute) const; CFX_WideString GetAttrValue(const CFX_ByteStringC& space, const CFX_ByteStringC& name) const { CFX_WideString attr; GetAttrValue(space, name, attr); return attr; } FX_BOOL GetAttrInteger(const CFX_ByteStringC& name, int& attribute) const; int GetAttrInteger(const CFX_ByteStringC& name) const { int attr = 0; GetAttrInteger(name, attr); return attr; } FX_BOOL GetAttrInteger(const CFX_ByteStringC& space, const CFX_ByteStringC& name, int& attribute) const; int GetAttrInteger(const CFX_ByteStringC& space, const CFX_ByteStringC& name) const { int attr = 0; GetAttrInteger(space, name, attr); return attr; } FX_BOOL GetAttrFloat(const CFX_ByteStringC& name, FX_FLOAT& attribute) const; FX_FLOAT GetAttrFloat(const CFX_ByteStringC& name) const { FX_FLOAT attr = 0; GetAttrFloat(name, attr); return attr; } FX_BOOL GetAttrFloat(const CFX_ByteStringC& space, const CFX_ByteStringC& name, FX_FLOAT& attribute) const; FX_FLOAT GetAttrFloat(const CFX_ByteStringC& space, const CFX_ByteStringC& name) const { FX_FLOAT attr = 0; GetAttrFloat(space, name, attr); return attr; } FX_DWORD CountChildren() const { return m_Children.size(); } ChildType GetChildType(FX_DWORD index) const; CFX_WideString GetContent(FX_DWORD index) const; CXML_Element* GetElement(FX_DWORD index) const; CXML_Element* GetElement(const CFX_ByteStringC& space, const CFX_ByteStringC& tag) const { return GetElement(space, tag, 0); } FX_DWORD CountElements(const CFX_ByteStringC& space, const CFX_ByteStringC& tag) const; CXML_Element* GetElement(const CFX_ByteStringC& space, const CFX_ByteStringC& tag, int index) const; FX_DWORD FindElement(CXML_Element* pChild) const; void SetTag(const CFX_ByteStringC& qSpace, const CFX_ByteStringC& tagname); void SetTag(const CFX_ByteStringC& qTagName); void RemoveChildren(); void RemoveChild(FX_DWORD index); protected: struct ChildRecord { ChildType type; void* child; // CXML_Element and CXML_Content lack a common ancestor. }; CXML_Element* m_pParent; CFX_ByteString m_QSpaceName; CFX_ByteString m_TagName; CXML_AttrMap m_AttrMap; std::vector<ChildRecord> m_Children; friend class CXML_Parser; friend class CXML_Composer; }; #endif // CORE_INCLUDE_FXCRT_FX_XML_H_