driver/commandtopclx.c

   1 /*
   2  * "$Id$"
   3  *
   4  *   Advanced PCL command filter for CUPS.
   5  *
   6  *   Copyright 2007-2011 by Apple Inc.
   7  *   Copyright 1993-2005 by Easy Software Products.
   8  *
   9  *   These coded instructions, statements, and computer programs are the
  10  *   property of Apple Inc. and are protected by Federal copyright
  11  *   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  12  *   which should have been included with this file.  If this file is
  13  *   file is missing or damaged, see the license at "http://www.cups.org/".
  14  *
  15  *
  16  * Contents:
  17  *
  18  *   main() - Main entry and command processing.
  19  */
  20
  21 /*
  22  * Include necessary headers...
  23  */
  24
  25 #include <cups/cups-private.h>
  26 #include "driver.h"
  27 #include "data/pcl.h"
  28
  29
  30 /*
  31  * 'main()' - Main entry and processing of driver.
  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   FILE          *fp;                            /* Command file */
  39   char          line[1024],                     /* Line from file */
  40                 *lineptr;                       /* Pointer into line */
  41   int           feedpage;                       /* Feed the page */
  42   ppd_file_t    *ppd;                           /* PPD file */
  43
  44
  45  /*
  46   * Check for valid arguments...
  47   */
  48
  49   if (argc < 6 || argc > 7)
  50   {
  51    /*
  52     * We don't have the correct number of arguments; write an error message
  53     * and return.
  54     */
  55
  56     _cupsLangPrintf(stderr,
  57                     _("Usage: %s job-id user title copies options [file]"),
  58                     argv[0]);
  59     return (1);
  60   }
  61
  62  /*
  63   * Open the PPD file...
  64   */
  65
  66   if ((ppd = ppdOpenFile(getenv("PPD"))) == NULL)
  67   {
  68     fputs("ERROR: Unable to open PPD file!\n", stderr);
  69     return (1);
  70   }
  71
  72  /*
  73   * Open the command file as needed...
  74   */
  75
  76   if (argc == 7)
  77   {
  78     if ((fp = fopen(argv[6], "r")) == NULL)
  79     {
  80       perror("ERROR: Unable to open command file - ");
  81       return (1);
  82     }
  83   }
  84   else
  85     fp = stdin;
  86
  87  /*
  88   * Reset the printer...
  89   */
  90
  91   cupsWritePrintData("\033E", 2);
  92
  93  /*
  94   * Read the commands from the file and send the appropriate commands...
  95   */
  96
  97   feedpage = 0;
  98
  99   while (fgets(line, sizeof(line), fp) != NULL)
 100   {
 101    /*
 102     * Drop trailing newline...
 103     */
 104
 105     lineptr = line + strlen(line) - 1;
 106     if (*lineptr == '\n')
 107       *lineptr = '\0';
 108
 109    /*
 110     * Skip leading whitespace...
 111     */
 112
 113     for (lineptr = line; isspace(*lineptr); lineptr ++);
 114
 115    /*
 116     * Skip comments and blank lines...
 117     */
 118
 119     if (*lineptr == '#' || !*lineptr)
 120       continue;
 121
 122    /*
 123     * Parse the command...
 124     */
 125
 126     if (_cups_strncasecmp(lineptr, "Clean", 5) == 0 &&
 127         (ppd->model_number & PCL_INKJET))
 128     {
 129      /*
 130       * Clean heads...
 131       */
 132
 133       cupsWritePrintData("\033&b16WPML \004\000\006\001\004\001\005\001"
 134                          "\001\004\001\144", 22);
 135     }
 136     else
 137       fprintf(stderr, "ERROR: Invalid printer command \"%s\"!\n", lineptr);
 138   }
 139
 140  /*
 141   * Eject the page as needed...
 142   */
 143
 144   if (feedpage)
 145   {
 146     fputs("PAGE: 1 1\n", stderr);
 147
 148     putchar(12);
 149   }
 150
 151  /*
 152   * Reset the printer...
 153   */
 154
 155   cupsWritePrintData("\033E", 2);
 156
 157  /*
 158   * Close the command file and return...
 159   */
 160
 161   ppdClose(ppd);
 162
 163   if (fp != stdin)
 164     fclose(fp);
 165
 166   return (0);
 167 }
 168
 169
 170 /*
 171  * End of "$Id$".
 172  */