flag.H

Go to the documentation of this file.

/**********************************************************************
 *   Name:        flag.h
 *
 *   Designer:    Willie Glover
 *
 *   Created:     4/02/96
 *
 *   Description: This file contains the LEGO header file which
 *                defines the flag structure of the LEGO IR.
 *
 *   Location:    /ncsu/tinker/LEGO/src/base/flag.h
 *
 * 4/02/96 WTG: Added structure for flags. Used by op and graph.
 * 6/19/96 WTG: Change to class.  Add method to add to list.
 * 12/5/96 WAH: Added copy constructor.
 **********************************************************************/

#ifndef FLAG_H
#define FLAG_H

//   struct flags {
//      int    name;           // add enum table for flags
//      flags *nextFlagPtr;
//    };

class flags {

   int flagName;         // See tinker.tab.h for flag values
                         //   Use char *ParseMap(int) to get ASCII
   flags *nextFlagPtr;   // pointer to next flag entry

public:

        flags(void)
        {
          //      fprintf(stderr,"Creating FLAGS %p\n",this);
          flagName = 0;
          nextFlagPtr = NULL;
        }

  flags(const flags &orig)
  {
    //    fprintf(stderr,"Creating FLAGS %p\n",this);
    flagName = orig.flagName;
    if (orig.nextFlagPtr != NULL)
      nextFlagPtr = new flags (*(orig.nextFlagPtr));
    else
      nextFlagPtr = NULL;
  } // end copy constructor

        ~flags(void)
        {
          flags* tmpFlagPtr;
          while (nextFlagPtr != NULL) {
            tmpFlagPtr = nextFlagPtr;
            nextFlagPtr = tmpFlagPtr->nextFlagPtr;
            tmpFlagPtr->nextFlagPtr = NULL;
            delete tmpFlagPtr;
          }
          //      fprintf(stderr,"Deleting FLAGS %p\n",this);
        }

int     GetFlagName(void) { return flagName; }
flags  *GetNextFlagPtr(void) { return nextFlagPtr; }
void    SetFlagName(unsigned newFlag) {flagName = newFlag; }
void    SetNextFlagPtr(flags *newPtr) {nextFlagPtr = newPtr; }

/*
 *   Add a flag to the current flag structure.  If the last flag in the list is
 *     uninitialized, update it with newFlag.  Otherwise allocate a new entry
 *     and update.
 */

void    AddFlag(unsigned newFlag)
  {
     if ( flagName == 0 ) {
        flagName = newFlag;
        return;
     }
     else {
        flags *tmpFlgPtr = this;
        while ( tmpFlgPtr->nextFlagPtr != NULL ) {
           tmpFlgPtr = tmpFlgPtr->nextFlagPtr;
        }
        tmpFlgPtr->nextFlagPtr = new flags();
        tmpFlgPtr->nextFlagPtr->flagName = newFlag;
        tmpFlgPtr->nextFlagPtr->nextFlagPtr = NULL;
     }
  }
};

// ------------------------------------------------------------
//     flag definitions
//
//
//
//
//
//
//
//
// ------------------------------------------------------------
#endif

---