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Diffstat (limited to 'core/fxcrt/fx_xml.h')
| -rw-r--r-- | core/fxcrt/fx_xml.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/core/fxcrt/fx_xml.h b/core/fxcrt/fx_xml.h new file mode 100644 index 0000000000..78f162597f --- /dev/null +++ b/core/fxcrt/fx_xml.h @@ -0,0 +1,173 @@ +// 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(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 = nullptr); + static CXML_Element* Parse(IFX_FileRead* pFile, + FX_BOOL bSaveSpaceChars = FALSE, + FX_FILESIZE* pParsedSize = nullptr); + static CXML_Element* Parse(IFX_BufferRead* pBuffer, + FX_BOOL bSaveSpaceChars = FALSE, + FX_FILESIZE* pParsedSize = nullptr); + + 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_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; + 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; + } + + 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_ |