If the flags are 0, then the variable named in m_Tag must be null for the subtags of <xcond> to be executed. Otherwise the named variable must exist and be non-null for the subtags to be executed. Returns: None

Declared in file: hzDissemino.h
Defined in file : hdsGenerate.cpp

Function Logic:

Function body:

void hdsCond::Generate (hzChain& C)hzHttpEvent* pE, uint32_t& nLine, 
{
   //  If the flags are 0, then the variable named in m_Tag must be null for the subtags of <xcond> to be executed. Otherwise the named variable must
   //  exist and be non-null for the subtags to be executed.
   //  
   //  Arguments: 1) C  The HTML output chain
   //     2) pE  The HTTP event being responded to
   //     3) nLine Line number tracker (controls NL printing)
   //  
   //  Returns: None
   _hzfunc("hdsCond::Generate") ;
   //  hzFixPair pa ;  // Tag attribute
   hzPair      pa ;        //  Tag attribute
   hdsVE*      pVE ;       //  Subtag pointer
   hdsInfo*    pInfo ;     //  User session if applicable
   hzString    nam ;       //  The variable value, if applicable
   hzString    val ;       //  The variable value, if applicable
   int32_t     aLo ;       //  First attribute
   int32_t     aHi ;       //  Last attribute
   int32_t     nA ;        //  Attribute iterator
   bool        bPassed ;   //  True if condition passed
   bPassed = true ;
   if (pE)
   {
       if (m_nAttrs)
       {
           pInfo = (hdsInfo*) pE->Session() ;
           if (pInfo)
           {
               aLo = m_pApp->m_VE_attrs.First(pVE->m_VID) ;
               if (aLo >&eq; 0)
               {
                   aHi = m_pApp->m_VE_attrs.Last(pVE->m_VID) ;
                   for (nA = aLo ; nA <&eq; aHi ; nA++)
                   {
                       pa = m_pApp->m_VE_attrs.GetObj(nA) ;
                       if (*pa.value)
                           val = m_pApp->ConvertText(*pa.value, pE) ;
                       nam = *pa.name ;
                       if ((nam == "isnull" && val) || (nam == "exists" && !val))
                           { bPassed = false ; break ; }
                   }
               }
           }
       }
   }
   if (bPassed)
   {
       for (pVE = Children() ; pVE ; pVE = pVE->Sibling())
           pVE->Generate(C, pE, nLine) ;
   }
}