Determine if the supplied cstr is a percent entity and if it is, populate the supplied string with the entity

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

Function Logic:

Function body:

bool hdsApp::IsPcEnt (hzString& pcntEnt)const char* input, 
{
   //  Determine if the supplied cstr is a percent entity and if it is, populate the supplied string with the entity
   //  
   //  Arguments: 1) pcntEnt The hzString to contain the entity
   //     2) input The input text
   //  
   //  Returns: True If the supplied cstr is a percent entity
   //     False Otherwise
   _hzfunc("hdsApp::IsPcEnt") ;
   hzChain     W ;     //  Chain to build entity
   uint32_t    c ;     //  Char count
   pcntEnt.Clear() ;
   if (!input)
       return false ;
   if (input[0]!= CHAR_PERCENT)
       return false ;
   if (input[1]!= ''x''&&input[1]!= ''u''&&input[1]!= ''s''&&input[1]!= ''e''&&input[1]!= ''i''&&input[1]!= ''v'')
       return false ;
   if (input[2]!= CHAR_COLON)
       return false ;
   //  Get the variable type and name component
   W.AddByte(CHAR_PERCENT) ;
   W.AddByte(input[1]);
   W.AddByte(CHAR_COLON) ;
   for (input += 3,c = 0; *input && *input != CHAR_SCOLON && IsAlpha(*input) ; c++, input++)
       W.AddByte(*input) ;
   if (c && *input == CHAR_PERIOD)
   {
       W.AddByte(*input) ;
       for (input++ ; *input && *input != CHAR_SCOLON && IsAlpha(*input) ; input++)
           W.AddByte(*input) ;
   }
   if (c && *input == CHAR_SCOLON)
       W.AddByte(*input) ;
   else
       c = 0;
   if (c)
       pcntEnt = W ;
   W.Clear() ;
   return c ? true : false ;
}