Function ppd_load_constraints

cups/ppd-conflicts.c:699–937

 */

static void
ppd_load_constraints(ppd_file_t *ppd)	/* I - PPD file */
{
  int		i;			/* Looping var */
  ppd_const_t	*oldconst;		/* Current UIConstraints data */
  ppd_attr_t	*constattr;		/* Current cupsUIConstraints attribute */
  _ppd_cups_uiconsts_t	*consts;	/* Current cupsUIConstraints data */
  _ppd_cups_uiconst_t	*constptr;	/* Current constraint */
  ppd_group_t	*installable;		/* Installable options group */
  const char	*vptr;			/* Pointer into constraint value */
  char		option[PPD_MAX_NAME],	/* Option name/MainKeyword */
		choice[PPD_MAX_NAME],	/* Choice/OptionKeyword */
		*ptr;			/* Pointer into option or choice */


  DEBUG_printf(("7ppd_load_constraints(ppd=%p)", ppd));

 /*
  * Create an array to hold the constraint data...
  */

  ppd->cups_uiconstraints = cupsArrayNew(NULL, NULL);

 /*
  * Find the installable options group if it exists...
  */

  for (i = ppd->num_groups, installable = ppd->groups;
       i > 0;
       i --, installable ++)
    if (!_cups_strcasecmp(installable->name, "InstallableOptions"))
      break;

  if (i <= 0)
    installable = NULL;

 /*
  * Load old-style [Non]UIConstraints data...
  */

  for (i = ppd->num_consts, oldconst = ppd->consts; i > 0; i --, oldconst ++)
  {
   /*
    * Weed out nearby duplicates, since the PPD spec requires that you
    * define both "*Foo foo *Bar bar" and "*Bar bar *Foo foo"...
    */

    if (i > 1 &&
	!_cups_strcasecmp(oldconst[0].option1, oldconst[1].option2) &&
	!_cups_strcasecmp(oldconst[0].choice1, oldconst[1].choice2) &&
	!_cups_strcasecmp(oldconst[0].option2, oldconst[1].option1) &&
	!_cups_strcasecmp(oldconst[0].choice2, oldconst[1].choice1))
      continue;

   /*
    * Allocate memory...
    */