cups/testconflicts.c

   1 /*
   2  * PPD constraint test program for CUPS.
   3  *
   4  * Copyright 2008-2012 by Apple Inc.
   5  *
   6  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
   7  */
   8
   9 /*
  10  * Include necessary headers...
  11  */
  12
  13 #include "cups.h"
  14 #include "ppd.h"
  15 #include "string-private.h"
  16
  17
  18 /*
  19  * 'main()' - Main entry.
  20  */
  21
  22 int                                     /* O - Exit status */
  23 main(int  argc,                         /* I - Number of command-line arguments */
  24      char *argv[])                      /* I - Command-line arguments */
  25 {
  26   int           i;                      /* Looping var */
  27   ppd_file_t    *ppd;                   /* PPD file loaded from disk */
  28   char          line[256],              /* Input buffer */
  29                 *ptr,                   /* Pointer into buffer */
  30                 *optr,                  /* Pointer to first option name */
  31                 *cptr;                  /* Pointer to first choice */
  32   int           num_options;            /* Number of options */
  33   cups_option_t *options;               /* Options */
  34   char          *option,                /* Current option */
  35                 *choice;                /* Current choice */
  36
  37
  38   if (argc != 2)
  39   {
  40     puts("Usage: testconflicts filename.ppd");
  41     return (1);
  42   }
  43
  44   if ((ppd = ppdOpenFile(argv[1])) == NULL)
  45   {
  46     ppd_status_t        err;            /* Last error in file */
  47     int                 linenum;        /* Line number in file */
  48
  49     err = ppdLastError(&linenum);
  50
  51     printf("Unable to open PPD file \"%s\": %s on line %d\n", argv[1],
  52            ppdErrorString(err), linenum);
  53     return (1);
  54   }
  55
  56   ppdMarkDefaults(ppd);
  57
  58   option = NULL;
  59   choice = NULL;
  60
  61   for (;;)
  62   {
  63     num_options = 0;
  64     options     = NULL;
  65
  66     if (!cupsResolveConflicts(ppd, option, choice, &num_options, &options))
  67       puts("Unable to resolve conflicts!");
  68     else if ((!option && num_options > 0) || (option && num_options > 1))
  69     {
  70       fputs("Resolved conflicts with the following options:\n   ", stdout);
  71       for (i = 0; i < num_options; i ++)
  72         if (!option || _cups_strcasecmp(option, options[i].name))
  73           printf(" %s=%s", options[i].name, options[i].value);
  74       putchar('\n');
  75
  76       cupsFreeOptions(num_options, options);
  77     }
  78
  79     if (option)
  80     {
  81       free(option);
  82       option = NULL;
  83     }
  84
  85     if (choice)
  86     {
  87       free(choice);
  88       choice = NULL;
  89     }
  90
  91     printf("\nNew Option(s): ");
  92     fflush(stdout);
  93     if (!fgets(line, sizeof(line), stdin) || line[0] == '\n')
  94       break;
  95
  96     for (ptr = line; isspace(*ptr & 255); ptr ++);
  97     for (optr = ptr; *ptr && *ptr != '='; ptr ++);
  98     if (!*ptr)
  99       break;
 100     for (*ptr++ = '\0', cptr = ptr; *ptr && !isspace(*ptr & 255); ptr ++);
 101     if (!*ptr)
 102       break;
 103     *ptr++ = '\0';
 104
 105     option      = strdup(optr);
 106     choice      = strdup(cptr);
 107     num_options = cupsParseOptions(ptr, 0, &options);
 108
 109     ppdMarkOption(ppd, option, choice);
 110     if (cupsMarkOptions(ppd, num_options, options))
 111       puts("Options Conflict!");
 112     cupsFreeOptions(num_options, options);
 113   }
 114
 115   if (option)
 116     free(option);
 117   if (choice)
 118     free(choice);
 119
 120   return (0);
 121 }