lwpobj.hxx

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#ifndef INCLUDED_LOTUSWORDPRO_INC_LWPOBJ_HXX
#define INCLUDED_LOTUSWORDPRO_INC_LWPOBJ_HXX
 
#include <memory>
#include <sal/config.h>
 
#include <stdexcept>
 
#include <salhelper/simplereferenceobject.hxx>
 
#include <config_lgpl.h>
 
#include "lwpobjhdr.hxx"
#include "lwpobjstrm.hxx"
#include "xfilter/ixfstream.hxx"
#include "xfilter/xfcontentcontainer.hxx"
 
class LwpFoundry;
class LwpObject : public salhelper::SimpleReferenceObject
{
public:
    LwpObject(LwpObjectHeader objHdr, LwpSvStream* pStrm);
 
protected:
    virtual ~LwpObject() override;
    LwpObjectHeader m_ObjHdr;
    std::unique_ptr<LwpObjectStream> m_pObjStrm;
    LwpFoundry* m_pFoundry;
    LwpSvStream* m_pStrm;
    bool m_bRegisteringStyle;
    bool m_bParsingStyle;
    bool m_bConvertingContent;
 
protected:
    virtual void Read();
    virtual void RegisterStyle();
    virtual void Parse(IXFStream* pOutputStream);
    virtual void XFConvert(XFContentContainer* pCont);
 
public:
    void QuickRead();
    //calls RegisterStyle but bails if DoRegisterStyle is called
    //on the same object recursively
    void DoRegisterStyle()
    {
        if (m_bRegisteringStyle)
            throw std::runtime_error("recursion in styles");
        m_bRegisteringStyle = true;
        RegisterStyle();
        m_bRegisteringStyle = false;
    }
    //calls Parse but bails if DoParse is called
    //on the same object recursively
    void DoParse(IXFStream* pOutputStream)
    {
        if (m_bParsingStyle)
            throw std::runtime_error("recursion in parsing");
        m_bParsingStyle = true;
        Parse(pOutputStream);
        m_bParsingStyle = false;
    }
    //calls XFConvert but bails if DoXFConvert is called
    //on the same object recursively
    void DoXFConvert(XFContentContainer* pCont)
    {
        if (m_bConvertingContent)
            throw std::runtime_error("recursion in parsing");
        m_bConvertingContent = true;
        XFConvert(pCont);
        m_bConvertingContent = false;
    }
 
    LwpFoundry* GetFoundry() { return m_pFoundry; }
    void SetFoundry(LwpFoundry* pFoundry) { m_pFoundry = pFoundry; }
    LwpObjectID& GetObjectID() { return m_ObjHdr.GetID(); }
    sal_uInt32 GetTag() const { return m_ObjHdr.GetTag(); }
};
#endif
 
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