cups/testconflicts.c

   1 /*
   2  * "$Id$"
   3  *
   4  *   PPD constraint test program for CUPS.
   5  *
   6  *   Copyright 2008-2012 by Apple Inc.
   7  *
   8  *   These coded instructions, statements, and computer programs are the
   9  *   property of Apple Inc. and are protected by Federal copyright
  10  *   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  11  *   which should have been included with this file.  If this file is
  12  *   file is missing or damaged, see the license at "http://www.cups.org/".
  13  *
  14  *   This file is subject to the Apple OS-Developed Software exception.
  15  *
  16  * Contents:
  17  *
  18  *   main() - Main entry.
  19  */
  20
  21 /*
  22  * Include necessary headers...
  23  */
  24
  25 #include "cups.h"
  26 #include "ppd.h"
  27 #include "string-private.h"
  28
  29
  30 /*
  31  * 'main()' - Main entry.
  32  */
  33
  34 int                                     /* O - Exit status */
  35 main(int  argc,                         /* I - Number of command-line arguments */
  36      char *argv[])                      /* I - Command-line arguments */
  37 {
  38   int           i;                      /* Looping var */
  39   ppd_file_t    *ppd;                   /* PPD file loaded from disk */
  40   char          line[256],              /* Input buffer */
  41                 *ptr,                   /* Pointer into buffer */
  42                 *optr,                  /* Pointer to first option name */
  43                 *cptr;                  /* Pointer to first choice */
  44   int           num_options;            /* Number of options */
  45   cups_option_t *options;               /* Options */
  46   char          *option,                /* Current option */
  47                 *choice;                /* Current choice */
  48
  49
  50   if (argc != 2)
  51   {
  52     puts("Usage: testconflicts filename.ppd");
  53     return (1);
  54   }
  55
  56   if ((ppd = ppdOpenFile(argv[1])) == NULL)
  57   {
  58     ppd_status_t        err;            /* Last error in file */
  59     int                 linenum;        /* Line number in file */
  60
  61     err = ppdLastError(&linenum);
  62
  63     printf("Unable to open PPD file \"%s\": %s on line %d\n", argv[1],
  64            ppdErrorString(err), linenum);
  65     return (1);
  66   }
  67
  68   ppdMarkDefaults(ppd);
  69
  70   option = NULL;
  71   choice = NULL;
  72
  73   for (;;)
  74   {
  75     num_options = 0;
  76     options     = NULL;
  77
  78     if (!cupsResolveConflicts(ppd, option, choice, &num_options, &options))
  79       puts("Unable to resolve conflicts!");
  80     else if ((!option && num_options > 0) || (option && num_options > 1))
  81     {
  82       fputs("Resolved conflicts with the following options:\n   ", stdout);
  83       for (i = 0; i < num_options; i ++)
  84         if (!option || _cups_strcasecmp(option, options[i].name))
  85           printf(" %s=%s", options[i].name, options[i].value);
  86       putchar('\n');
  87
  88       cupsFreeOptions(num_options, options);
  89     }
  90
  91     if (option)
  92     {
  93       free(option);
  94       option = NULL;
  95     }
  96
  97     if (choice)
  98     {
  99       free(choice);
 100       choice = NULL;
 101     }
 102
 103     printf("\nNew Option(s): ");
 104     fflush(stdout);
 105     if (!fgets(line, sizeof(line), stdin) || line[0] == '\n')
 106       break;
 107
 108     for (ptr = line; isspace(*ptr & 255); ptr ++);
 109     for (optr = ptr; *ptr && *ptr != '='; ptr ++);
 110     if (!*ptr)
 111       break;
 112     for (*ptr++ = '\0', cptr = ptr; *ptr && !isspace(*ptr & 255); ptr ++);
 113     if (!*ptr)
 114       break;
 115     *ptr++ = '\0';
 116
 117     option      = strdup(optr);
 118     choice      = strdup(cptr);
 119     num_options = cupsParseOptions(ptr, 0, &options);
 120
 121     ppdMarkOption(ppd, option, choice);
 122     if (cupsMarkOptions(ppd, num_options, options))
 123       puts("Options Conflict!");
 124     cupsFreeOptions(num_options, options);
 125   }
 126
 127   if (option)
 128     free(option);
 129   if (choice)
 130     free(choice);
 131
 132   return (0);
 133 }
 134
 135
 136 /*
 137  * End of "$Id$".
 138  */