lwp9reader.cxx

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 *  Sun Microsystems Inc., October, 2000
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#include "lwp9reader.hxx"
#include <lwpglobalmgr.hxx>
#include "lwparrowstyles.hxx"
#include <lwpobjhdr.hxx>
#include "lwpdoc.hxx"
#include <xfilter/xfstylemanager.hxx>
#include <lwpdocdata.hxx>
#include <lwpchangemgr.hxx>
#include <sal/log.hxx>
 
Lwp9Reader::Lwp9Reader(LwpSvStream* pInputStream, IXFStream* pStream)
    : m_pDocStream(pInputStream)
    , m_pStream(pStream)
    , m_pObjMgr(nullptr)
{
}
 
bool Lwp9Reader::Read()
{
    bool bRet = true;
    LwpGlobalMgr* pGlobal = LwpGlobalMgr::GetInstance(m_pDocStream);
    try
    {
        m_pObjMgr = pGlobal->GetLwpObjFactory();
 
        //Does not support Word Pro 96 and previous versions
        if (ReadFileHeader() && LwpFileHeader::m_nFileRevision >= 0x000B)
        {
            ReadIndex();
            bRet = ParseDocument();
        }
        else
        {
            SAL_WARN("lwp", "Only Lotus Word Pro 97 (version 11) and later is supported.");
            SAL_WARN("lwp", "You are trying to open version: " << LwpFileHeader::m_nFileRevision);
            bRet = false;
        }
    }
    catch (...)
    {
        LwpGlobalMgr::DeleteInstance();
        throw;
    }
    LwpGlobalMgr::DeleteInstance();
    return bRet;
}
 
bool Lwp9Reader::ReadFileHeader()
{
    if (!m_pDocStream->CheckSeek(LwpSvStream::LWP_STREAM_BASE))
        return false;
 
    //Remember to initialize the LwpFileHeader::m_nFileRevision first.
    LwpFileHeader::m_nFileRevision = 0;
 
    LwpObjectHeader objHdr;
    if (!objHdr.Read(*m_pDocStream))
        return false;
 
    sal_Int64 pos = m_pDocStream->Tell();
    m_LwpFileHdr.Read(m_pDocStream);
    return m_pDocStream->CheckSeek(pos + objHdr.GetSize());
}
 
void Lwp9Reader::ReadIndex()
{
    sal_Int64 oldpos = m_pDocStream->Tell();
    sal_uInt32 rootoffset = m_LwpFileHdr.GetRootIndexOffset();
    m_pDocStream->Seek(rootoffset + LwpSvStream::LWP_STREAM_BASE);
    m_pObjMgr->ReadIndex(m_pDocStream);
    m_pDocStream->Seek(oldpos);
}
 
bool Lwp9Reader::ParseDocument()
{
    WriteDocHeader();
 
    //Get root document
    LwpDocument* doc = dynamic_cast<LwpDocument*>(m_LwpFileHdr.GetDocID().obj().get());
 
    if (!doc)
        return false;
 
    //Parse Doc Data
    LwpDocData* pDocData = dynamic_cast<LwpDocData*>(doc->GetDocData().obj().get());
    if (pDocData != nullptr)
        pDocData->Parse(m_pStream);
 
    //Register Styles
    RegisteArrowStyles();
    doc->DoRegisterStyle();
    XFStyleManager* pXFStyleManager = LwpGlobalMgr::GetInstance()->GetXFStyleManager();
    pXFStyleManager->ToXml(m_pStream);
 
    //Parse document content
    m_pStream->GetAttrList()->Clear();
    m_pStream->StartElement("office:body");
 
    //Parse change list
    LwpGlobalMgr* pGlobal = LwpGlobalMgr::GetInstance();
    LwpChangeMgr* pChangeMgr = pGlobal->GetLwpChangeMgr();
    pChangeMgr->ConvertAllChange(m_pStream);
 
    doc->Parse(m_pStream);
    m_pStream->EndElement("office:body");
 
    WriteDocEnd();
    return true;
}
 
void Lwp9Reader::WriteDocHeader()
{
    m_pStream->StartDocument();
 
    IXFAttrList* pAttrList = m_pStream->GetAttrList();
 
    pAttrList->AddAttribute("xmlns:office", "http://openoffice.org/2000/office");
    pAttrList->AddAttribute("xmlns:style", "http://openoffice.org/2000/style");
    pAttrList->AddAttribute("xmlns:text", "http://openoffice.org/2000/text");
    pAttrList->AddAttribute("xmlns:table", "http://openoffice.org/2000/table");
    pAttrList->AddAttribute("xmlns:draw", "http://openoffice.org/2000/drawing");
 
    pAttrList->AddAttribute("xmlns:fo", "http://www.w3.org/1999/XSL/Format");
    pAttrList->AddAttribute("xmlns:xlink", "http://www.w3.org/1999/xlink");
    pAttrList->AddAttribute("xmlns:number", "http://openoffice.org/2000/datastyle");
    pAttrList->AddAttribute("xmlns:svg", "http://www.w3.org/2000/svg");
    pAttrList->AddAttribute("xmlns:chart", "http://openoffice.org/2000/chart");
 
    pAttrList->AddAttribute("xmlns:dr3d", "http://openoffice.org/2000/dr3d");
    pAttrList->AddAttribute("xmlns:math", "http://www.w3.org/1998/Math/MathML");
    pAttrList->AddAttribute("xmlns:form", "http://openoffice.org/2000/form");
    pAttrList->AddAttribute("xmlns:script", "http://openoffice.org/2000/script");
    pAttrList->AddAttribute("xmlns:dc", "http://purl.org/dc/elements/1.1/");
 
    pAttrList->AddAttribute("xmlns:meta", "http://openoffice.org/2000/meta");
    pAttrList->AddAttribute("office:class", "text");
    pAttrList->AddAttribute("office:version", "1.0");
 
    m_pStream->StartElement("office:document");
    pAttrList->Clear();
}
void Lwp9Reader::WriteDocEnd()
{
    m_pStream->EndElement("office:document");
    m_pStream->EndDocument();
}
 
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