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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
*/
#ifndef INCLUDED_XMLSECURITY_INC_PDFIO_PDFDOCUMENT_HXX
#define INCLUDED_XMLSECURITY_INC_PDFIO_PDFDOCUMENT_HXX
#include <vector>
#include <tools/stream.hxx>
#include <xmlsecuritydllapi.h>
#include <sigstruct.hxx>
namespace xmlsecurity
{
namespace pdfio
{
class PDFTrailerElement;
class PDFObjectElement;
/// A byte range in a PDF file.
class PDFElement
{
public:
virtual bool Read(SvStream& rStream) = 0;
virtual ~PDFElement() { }
};
/// In-memory representation of an on-disk PDF document.
class XMLSECURITY_DLLPUBLIC PDFDocument
{
/// This vector owns all elements.
std::vector< std::unique_ptr<PDFElement> > m_aElements;
// List of object offsets we know.
std::vector<size_t> m_aXRef;
PDFTrailerElement* m_pTrailer;
static int AsHex(char ch);
public:
PDFDocument();
PDFDocument& operator=(const PDFDocument&) = delete;
PDFDocument(const PDFDocument&) = delete;
static OString ReadKeyword(SvStream& rStream);
static size_t FindStartXRef(SvStream& rStream);
void ReadXRef(SvStream& rStream);
static void SkipWhitespace(SvStream& rStream);
size_t GetObjectOffset(size_t nIndex) const;
const std::vector< std::unique_ptr<PDFElement> >& GetElements();
std::vector<PDFObjectElement*> GetPages();
bool Read(SvStream& rStream);
std::vector<PDFObjectElement*> GetSignatureWidgets();
/// Return value is about if we can determine a result, rInformation is about the actual result.
static bool ValidateSignature(SvStream& rStream, PDFObjectElement* pSignature, SignatureInformation& rInformation);
};
} // namespace pdfio
} // namespace xmlsecurity
#endif // INCLUDED_XMLSECURITY_INC_PDFIO_PDFDOCUMENT_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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