From 5b4930967676088f2f0e5ce3b25aed77831d678c Mon Sep 17 00:00:00 2001 From: dsinclair Date: Thu, 29 Sep 2016 20:20:24 -0700 Subject: Move xfa/fxfa/include to xfa/fxfa BUG=pdfium:611 Review-Url: https://codereview.chromium.org/2383593002 --- xfa/fxfa/xfa_checksum.h | 77 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 xfa/fxfa/xfa_checksum.h (limited to 'xfa/fxfa/xfa_checksum.h') diff --git a/xfa/fxfa/xfa_checksum.h b/xfa/fxfa/xfa_checksum.h new file mode 100644 index 0000000000..69adc0a023 --- /dev/null +++ b/xfa/fxfa/xfa_checksum.h @@ -0,0 +1,77 @@ +// 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 XFA_FXFA_XFA_CHECKSUM_H_ +#define XFA_FXFA_XFA_CHECKSUM_H_ + +#include "xfa/fde/xml/cfx_saxreader.h" +#include "xfa/fxfa/fxfa.h" + +class CXFA_SAXReaderHandler; +class CXFA_ChecksumContext; + +class CXFA_SAXContext { + public: + CXFA_SAXContext() : m_eNode(CFX_SAXItem::Type::Unknown) {} + + CFX_ByteTextBuf m_TextBuf; + CFX_ByteString m_bsTagName; + CFX_SAXItem::Type m_eNode; +}; + +class CXFA_SAXReaderHandler { + public: + CXFA_SAXReaderHandler(CXFA_ChecksumContext* pContext); + ~CXFA_SAXReaderHandler(); + + CXFA_SAXContext* OnTagEnter(const CFX_ByteStringC& bsTagName, + CFX_SAXItem::Type eType, + uint32_t dwStartPos); + void OnTagAttribute(CXFA_SAXContext* pTag, + const CFX_ByteStringC& bsAttri, + const CFX_ByteStringC& bsValue); + void OnTagBreak(CXFA_SAXContext* pTag); + void OnTagData(CXFA_SAXContext* pTag, + CFX_SAXItem::Type eType, + const CFX_ByteStringC& bsData, + uint32_t dwStartPos); + void OnTagClose(CXFA_SAXContext* pTag, uint32_t dwEndPos); + void OnTagEnd(CXFA_SAXContext* pTag, + const CFX_ByteStringC& bsTagName, + uint32_t dwEndPos); + + void OnTargetData(CXFA_SAXContext* pTag, + CFX_SAXItem::Type eType, + const CFX_ByteStringC& bsData, + uint32_t dwStartPos); + + protected: + void UpdateChecksum(FX_BOOL bCheckSpace); + + CXFA_ChecksumContext* m_pContext; + CXFA_SAXContext m_SAXContext; +}; + +class CXFA_ChecksumContext { + public: + CXFA_ChecksumContext(); + ~CXFA_ChecksumContext(); + + void StartChecksum(); + void Update(const CFX_ByteStringC& bsText); + FX_BOOL UpdateChecksum(IFX_FileRead* pSrcFile, + FX_FILESIZE offset = 0, + size_t size = 0); + void FinishChecksum(); + CFX_ByteString GetChecksum() const; + + protected: + CFX_SAXReader* m_pSAXReader; + uint8_t* m_pByteContext; + CFX_ByteString m_bsChecksum; +}; + +#endif // XFA_FXFA_XFA_CHECKSUM_H_ -- cgit v1.2.3