// 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_XML_INT_H_ #define CORE_FXCRT_XML_INT_H_ #include <algorithm> #include "core/fxcrt/fx_stream.h" class CFX_UTF8Decoder; class CXML_Element; class CXML_DataBufAcc : public IFX_BufferRead { public: CXML_DataBufAcc(const uint8_t* pBuffer, size_t size); ~CXML_DataBufAcc() override; // IFX_BufferRead void Release() override; bool IsEOF() override; FX_FILESIZE GetPosition() override; size_t ReadBlock(void* buffer, size_t size) override; bool ReadNextBlock(bool bRestart = false) override; const uint8_t* GetBlockBuffer() override; size_t GetBlockSize() override; FX_FILESIZE GetBlockOffset() override; protected: const uint8_t* m_pBuffer; size_t m_dwSize; size_t m_dwCurPos; }; class CXML_DataStmAcc : public IFX_BufferRead { public: explicit CXML_DataStmAcc(IFX_SeekableReadStream* pFileRead); ~CXML_DataStmAcc() override; // IFX_BufferRead void Release() override; bool IsEOF() override; FX_FILESIZE GetPosition() override; size_t ReadBlock(void* buffer, size_t size) override; bool ReadNextBlock(bool bRestart = false) override; const uint8_t* GetBlockBuffer() override; size_t GetBlockSize() override; FX_FILESIZE GetBlockOffset() override; protected: IFX_SeekableReadStream* m_pFileRead; uint8_t* m_pBuffer; FX_FILESIZE m_nStart; size_t m_dwSize; }; class CXML_Parser { public: CXML_Parser(); ~CXML_Parser(); bool Init(uint8_t* pBuffer, size_t size); bool Init(IFX_SeekableReadStream* pFileRead); bool Init(IFX_BufferRead* pBuffer); bool Init(bool bOwndedStream); bool ReadNextBlock(); bool IsEOF(); bool HaveAvailData(); void SkipWhiteSpaces(); void GetName(CFX_ByteString& space, CFX_ByteString& name); void GetAttrValue(CFX_WideString& value); uint32_t GetCharRef(); void GetTagName(CFX_ByteString& space, CFX_ByteString& name, bool& bEndTag, bool bStartTag = false); void SkipLiterals(const CFX_ByteStringC& str); CXML_Element* ParseElement(CXML_Element* pParent, bool bStartTag = false); void InsertContentSegment(bool bCDATA, const CFX_WideStringC& content, CXML_Element* pElement); void InsertCDATASegment(CFX_UTF8Decoder& decoder, CXML_Element* pElement); IFX_BufferRead* m_pDataAcc; bool m_bOwnedStream; FX_FILESIZE m_nOffset; bool m_bSaveSpaceChars; const uint8_t* m_pBuffer; size_t m_dwBufferSize; FX_FILESIZE m_nBufferOffset; size_t m_dwIndex; }; void FX_XML_SplitQualifiedName(const CFX_ByteStringC& bsFullName, CFX_ByteStringC& bsSpace, CFX_ByteStringC& bsName); #endif // CORE_FXCRT_XML_INT_H_