1 // Copyright 2014 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_INCLUDE_FXCRT_FX_XML_H_ 8 #define CORE_INCLUDE_FXCRT_FX_XML_H_ 9 10 #include "fx_basic.h" 11 12 class CXML_AttrItem { 13 public: 14 CFX_ByteString m_QSpaceName; 15 CFX_ByteString m_AttrName; 16 CFX_WideString m_Value; 17 }; 18 class CXML_AttrMap { 19 public: CXML_AttrMap()20 CXML_AttrMap() { m_pMap = NULL; } ~CXML_AttrMap()21 ~CXML_AttrMap() { RemoveAll(); } 22 const CFX_WideString* Lookup(const CFX_ByteStringC& space, 23 const CFX_ByteStringC& name) const; 24 void SetAt(const CFX_ByteStringC& space, 25 const CFX_ByteStringC& name, 26 const CFX_WideStringC& value); 27 void RemoveAt(const CFX_ByteStringC& space, const CFX_ByteStringC& name); 28 void RemoveAll(); 29 int GetSize() const; 30 CXML_AttrItem& GetAt(int index) const; 31 CFX_ObjectArray<CXML_AttrItem>* m_pMap; 32 }; 33 class CXML_Content { 34 public: CXML_Content()35 CXML_Content() : m_bCDATA(FALSE), m_Content() {} Set(FX_BOOL bCDATA,const CFX_WideStringC & content)36 void Set(FX_BOOL bCDATA, const CFX_WideStringC& content) { 37 m_bCDATA = bCDATA; 38 m_Content = content; 39 } 40 FX_BOOL m_bCDATA; 41 CFX_WideString m_Content; 42 }; 43 class CXML_Element { 44 public: 45 static CXML_Element* Parse(const void* pBuffer, 46 size_t size, 47 FX_BOOL bSaveSpaceChars = FALSE, 48 FX_FILESIZE* pParsedSize = NULL); 49 static CXML_Element* Parse(IFX_FileRead* pFile, 50 FX_BOOL bSaveSpaceChars = FALSE, 51 FX_FILESIZE* pParsedSize = NULL); 52 static CXML_Element* Parse(IFX_BufferRead* pBuffer, 53 FX_BOOL bSaveSpaceChars = FALSE, 54 FX_FILESIZE* pParsedSize = NULL); 55 CXML_Element(const CFX_ByteStringC& qSpace, const CFX_ByteStringC& tagName); 56 CXML_Element(const CFX_ByteStringC& qTagName); 57 CXML_Element(); 58 59 ~CXML_Element(); 60 61 void Empty(); 62 63 CFX_ByteString GetTagName(FX_BOOL bQualified = FALSE) const; 64 65 CFX_ByteString GetNamespace(FX_BOOL bQualified = FALSE) const; 66 67 CFX_ByteString GetNamespaceURI(const CFX_ByteStringC& qName) const; 68 GetParent()69 CXML_Element* GetParent() const { return m_pParent; } 70 CountAttrs()71 FX_DWORD CountAttrs() const { return m_AttrMap.GetSize(); } 72 73 void GetAttrByIndex(int index, 74 CFX_ByteString& space, 75 CFX_ByteString& name, 76 CFX_WideString& value) const; 77 78 FX_BOOL HasAttr(const CFX_ByteStringC& qName) const; 79 80 FX_BOOL GetAttrValue(const CFX_ByteStringC& name, 81 CFX_WideString& attribute) const; GetAttrValue(const CFX_ByteStringC & name)82 CFX_WideString GetAttrValue(const CFX_ByteStringC& name) const { 83 CFX_WideString attr; 84 GetAttrValue(name, attr); 85 return attr; 86 } 87 88 FX_BOOL GetAttrValue(const CFX_ByteStringC& space, 89 const CFX_ByteStringC& name, 90 CFX_WideString& attribute) const; GetAttrValue(const CFX_ByteStringC & space,const CFX_ByteStringC & name)91 CFX_WideString GetAttrValue(const CFX_ByteStringC& space, 92 const CFX_ByteStringC& name) const { 93 CFX_WideString attr; 94 GetAttrValue(space, name, attr); 95 return attr; 96 } 97 98 FX_BOOL GetAttrInteger(const CFX_ByteStringC& name, int& attribute) const; GetAttrInteger(const CFX_ByteStringC & name)99 int GetAttrInteger(const CFX_ByteStringC& name) const { 100 int attr = 0; 101 GetAttrInteger(name, attr); 102 return attr; 103 } 104 105 FX_BOOL GetAttrInteger(const CFX_ByteStringC& space, 106 const CFX_ByteStringC& name, 107 int& attribute) const; GetAttrInteger(const CFX_ByteStringC & space,const CFX_ByteStringC & name)108 int GetAttrInteger(const CFX_ByteStringC& space, 109 const CFX_ByteStringC& name) const { 110 int attr = 0; 111 GetAttrInteger(space, name, attr); 112 return attr; 113 } 114 115 FX_BOOL GetAttrFloat(const CFX_ByteStringC& name, FX_FLOAT& attribute) const; GetAttrFloat(const CFX_ByteStringC & name)116 FX_FLOAT GetAttrFloat(const CFX_ByteStringC& name) const { 117 FX_FLOAT attr = 0; 118 GetAttrFloat(name, attr); 119 return attr; 120 } 121 122 FX_BOOL GetAttrFloat(const CFX_ByteStringC& space, 123 const CFX_ByteStringC& name, 124 FX_FLOAT& attribute) const; GetAttrFloat(const CFX_ByteStringC & space,const CFX_ByteStringC & name)125 FX_FLOAT GetAttrFloat(const CFX_ByteStringC& space, 126 const CFX_ByteStringC& name) const { 127 FX_FLOAT attr = 0; 128 GetAttrFloat(space, name, attr); 129 return attr; 130 } 131 132 FX_DWORD CountChildren() const; 133 134 enum ChildType { Invalid, Element, Content }; 135 136 ChildType GetChildType(FX_DWORD index) const; 137 138 CFX_WideString GetContent(FX_DWORD index) const; 139 140 CXML_Element* GetElement(FX_DWORD index) const; 141 GetElement(const CFX_ByteStringC & space,const CFX_ByteStringC & tag)142 CXML_Element* GetElement(const CFX_ByteStringC& space, 143 const CFX_ByteStringC& tag) const { 144 return GetElement(space, tag, 0); 145 } 146 147 FX_DWORD CountElements(const CFX_ByteStringC& space, 148 const CFX_ByteStringC& tag) const; 149 150 CXML_Element* GetElement(const CFX_ByteStringC& space, 151 const CFX_ByteStringC& tag, 152 int index) const; 153 154 FX_DWORD FindElement(CXML_Element* pChild) const; 155 156 void SetTag(const CFX_ByteStringC& qSpace, const CFX_ByteStringC& tagname); 157 158 void SetTag(const CFX_ByteStringC& qTagName); 159 160 void RemoveChildren(); 161 162 void RemoveChild(FX_DWORD index); 163 164 protected: 165 CXML_Element* m_pParent; 166 CFX_ByteString m_QSpaceName; 167 CFX_ByteString m_TagName; 168 169 CXML_AttrMap m_AttrMap; 170 171 CFX_PtrArray m_Children; 172 friend class CXML_Parser; 173 friend class CXML_Composer; 174 }; 175 176 #endif // CORE_INCLUDE_FXCRT_FX_XML_H_ 177