| // 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_FXCRT_FX_XML_H_ |
| #define CORE_FXCRT_FX_XML_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "core/fxcrt/fx_basic.h" |
| |
| class CXML_AttrItem { |
| public: |
| bool Matches(const CFX_ByteString& space, const CFX_ByteString& name) const; |
| |
| CFX_ByteString m_QSpaceName; |
| CFX_ByteString m_AttrName; |
| CFX_WideString m_Value; |
| }; |
| |
| class CXML_AttrMap { |
| public: |
| CXML_AttrMap(); |
| ~CXML_AttrMap(); |
| |
| const CFX_WideString* Lookup(const CFX_ByteString& space, |
| const CFX_ByteString& name) const; |
| int GetSize() const; |
| CXML_AttrItem& GetAt(int index) const; |
| |
| void SetAt(const CFX_ByteString& space, |
| const CFX_ByteString& name, |
| const CFX_WideString& value); |
| |
| std::unique_ptr<std::vector<CXML_AttrItem>> m_pMap; |
| }; |
| |
| class CXML_Content { |
| public: |
| CXML_Content() : m_bCDATA(false), m_Content() {} |
| void Set(bool bCDATA, const CFX_WideStringC& content) { |
| m_bCDATA = bCDATA; |
| m_Content = content; |
| } |
| |
| 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, |
| bool bSaveSpaceChars = false, |
| FX_FILESIZE* pParsedSize = nullptr); |
| static CXML_Element* Parse(const CFX_RetainPtr<IFX_SeekableReadStream>& pFile, |
| bool bSaveSpaceChars = false, |
| FX_FILESIZE* pParsedSize = nullptr); |
| static CXML_Element* Parse( |
| const CFX_RetainPtr<IFX_BufferedReadStream>& pBuffer, |
| bool bSaveSpaceChars = false, |
| FX_FILESIZE* pParsedSize = nullptr); |
| |
| CXML_Element(const CFX_ByteStringC& qSpace, const CFX_ByteStringC& tagName); |
| explicit CXML_Element(const CFX_ByteStringC& qTagName); |
| CXML_Element(); |
| ~CXML_Element(); |
| |
| void Empty(); |
| CFX_ByteString GetTagName(bool bQualified = false) const; |
| CFX_ByteString GetNamespace(bool bQualified = false) const; |
| CFX_ByteString GetNamespaceURI(const CFX_ByteString& qName) const; |
| CXML_Element* GetParent() const { return m_pParent; } |
| uint32_t CountAttrs() const { return m_AttrMap.GetSize(); } |
| void GetAttrByIndex(int index, |
| CFX_ByteString& space, |
| CFX_ByteString& name, |
| CFX_WideString& value) const; |
| bool HasAttr(const CFX_ByteStringC& qName) const; |
| 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; |
| } |
| |
| 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; |
| } |
| |
| bool GetAttrInteger(const CFX_ByteStringC& name, int& attribute) const; |
| int GetAttrInteger(const CFX_ByteStringC& name) const { |
| int attr = 0; |
| GetAttrInteger(name, attr); |
| return attr; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| uint32_t CountChildren() const { return m_Children.size(); } |
| ChildType GetChildType(uint32_t index) const; |
| CFX_WideString GetContent(uint32_t index) const; |
| CXML_Element* GetElement(uint32_t index) const; |
| CXML_Element* GetElement(const CFX_ByteStringC& space, |
| const CFX_ByteStringC& tag) const { |
| return GetElement(space, tag, 0); |
| } |
| |
| uint32_t CountElements(const CFX_ByteStringC& space, |
| const CFX_ByteStringC& tag) const; |
| CXML_Element* GetElement(const CFX_ByteStringC& space, |
| const CFX_ByteStringC& tag, |
| int index) const; |
| |
| uint32_t 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(uint32_t 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_FXCRT_FX_XML_H_ |