lotuswordpro/inc/lwpobj.hxx

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  56 /**
  57  * @file
  58  *  Base class of all Lwp VO objects
  59  */
  60
  61 #ifndef INCLUDED_LOTUSWORDPRO_INC_LWPOBJ_HXX
  62 #define INCLUDED_LOTUSWORDPRO_INC_LWPOBJ_HXX
  63
  64 #include <memory>
  65 #include <sal/config.h>
  66
  67 #include <stdexcept>
  68
  69 #include <salhelper/simplereferenceobject.hxx>
  70
  71 #include <config_lgpl.h>
  72
  73 #include "lwpobjhdr.hxx"
  74 #include "lwpobjstrm.hxx"
  75 #include "xfilter/ixfstream.hxx"
  76 #include "xfilter/xfcontentcontainer.hxx"
  77
  78 class LwpFoundry;
  79 /**
  80  * @brief   Base class of all Lwp VO objects
  81 */
  82 class LwpObject : public salhelper::SimpleReferenceObject
  83 {
  84 public:
  85     LwpObject(LwpObjectHeader objHdr, LwpSvStream* pStrm);
  86
  87 protected:
  88     virtual ~LwpObject() override;
  89     LwpObjectHeader m_ObjHdr;
  90     std::unique_ptr<LwpObjectStream> m_pObjStrm;
  91     LwpFoundry* m_pFoundry;
  92     LwpSvStream* m_pStrm;
  93     bool m_bRegisteringStyle;
  94     bool m_bParsingStyle;
  95     bool m_bConvertingContent;
  96
  97 protected:
  98     virtual void Read();
  99     virtual void RegisterStyle();
 100     virtual void Parse(IXFStream* pOutputStream);
 101     virtual void XFConvert(XFContentContainer* pCont);
 102
 103 public:
 104     void QuickRead();
 105     //calls RegisterStyle but bails if DoRegisterStyle is called
 106     //on the same object recursively
 107     void DoRegisterStyle()
 108     {
 109         if (m_bRegisteringStyle)
 110             throw std::runtime_error("recursion in styles");
 111         m_bRegisteringStyle = true;
 112         RegisterStyle();
 113         m_bRegisteringStyle = false;
 114     }
 115     //calls Parse but bails if DoParse is called
 116     //on the same object recursively
 117     void DoParse(IXFStream* pOutputStream)
 118     {
 119         if (m_bParsingStyle)
 120             throw std::runtime_error("recursion in parsing");
 121         m_bParsingStyle = true;
 122         Parse(pOutputStream);
 123         m_bParsingStyle = false;
 124     }
 125     //calls XFConvert but bails if DoXFConvert is called
 126     //on the same object recursively
 127     void DoXFConvert(XFContentContainer* pCont)
 128     {
 129         if (m_bConvertingContent)
 130             throw std::runtime_error("recursion in parsing");
 131         m_bConvertingContent = true;
 132         XFConvert(pCont);
 133         m_bConvertingContent = false;
 134     }
 135
 136     LwpFoundry* GetFoundry() { return m_pFoundry; }
 137     void SetFoundry(LwpFoundry* pFoundry) { m_pFoundry = pFoundry; }
 138     LwpObjectID& GetObjectID() { return m_ObjHdr.GetID(); }
 139     sal_uInt32 GetTag() const { return m_ObjHdr.GetTag(); }
 140 };
 141 #endif
 142
 143 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */