driver/commandtopclx.c

   1 /*
   2  * "$Id$"
   3  *
   4  *   Advanced PCL command filter for CUPS.
   5  *
   6  *   Copyright 2007 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.h>
  26 #include "driver.h"
  27 #include <cups/string.h>
  28 #include "data/pcl.h"
  29
  30
  31 /*
  32  * 'main()' - Main entry and processing of driver.
  33  */
  34
  35 int                                             /* O - Exit status */
  36 main(int  argc,                                 /* I - Number of command-line arguments */
  37      char *argv[])                              /* I - Command-line arguments */
  38 {
  39   FILE          *fp;                            /* Command file */
  40   char          line[1024],                     /* Line from file */
  41                 *lineptr;                       /* Pointer into line */
  42   int           feedpage;                       /* Feed the page */
  43   ppd_file_t    *ppd;                           /* PPD file */
  44
  45
  46  /*
  47   * Check for valid arguments...
  48   */
  49
  50   if (argc < 6 || argc > 7)
  51   {
  52    /*
  53     * We don't have the correct number of arguments; write an error message
  54     * and return.
  55     */
  56
  57     fputs("ERROR: commandtopclx job-id user title copies options [file]\n", stderr);
  58     return (1);
  59   }
  60
  61  /*
  62   * Open the PPD file...
  63   */
  64
  65   if ((ppd = ppdOpenFile(getenv("PPD"))) == NULL)
  66   {
  67     fputs("ERROR: Unable to open PPD file!\n", stderr);
  68     return (1);
  69   }
  70
  71  /*
  72   * Open the command file as needed...
  73   */
  74
  75   if (argc == 7)
  76   {
  77     if ((fp = fopen(argv[6], "r")) == NULL)
  78     {
  79       perror("ERROR: Unable to open command file - ");
  80       return (1);
  81     }
  82   }
  83   else
  84     fp = stdin;
  85
  86  /*
  87   * Reset the printer...
  88   */
  89
  90   cupsWritePrintData("\033E", 2);
  91
  92  /*
  93   * Read the commands from the file and send the appropriate commands...
  94   */
  95
  96   feedpage = 0;
  97
  98   while (fgets(line, sizeof(line), fp) != NULL)
  99   {
 100    /*
 101     * Drop trailing newline...
 102     */
 103
 104     lineptr = line + strlen(line) - 1;
 105     if (*lineptr == '\n')
 106       *lineptr = '\0';
 107
 108    /*
 109     * Skip leading whitespace...
 110     */
 111
 112     for (lineptr = line; isspace(*lineptr); lineptr ++);
 113
 114    /*
 115     * Skip comments and blank lines...
 116     */
 117
 118     if (*lineptr == '#' || !*lineptr)
 119       continue;
 120
 121    /*
 122     * Parse the command...
 123     */
 124
 125     if (strncasecmp(lineptr, "Clean", 5) == 0 &&
 126         (ppd->model_number & PCL_INKJET))
 127     {
 128      /*
 129       * Clean heads...
 130       */
 131
 132       cupsWritePrintData("\033&b16WPML \004\000\006\001\004\001\005\001"
 133                          "\001\004\001\144", 22);
 134     }
 135     else
 136       fprintf(stderr, "ERROR: Invalid printer command \"%s\"!\n", lineptr);
 137   }
 138
 139  /*
 140   * Eject the page as needed...
 141   */
 142
 143   if (feedpage)
 144   {
 145     fputs("PAGE: 1 1\n", stderr);
 146
 147     putchar(12);
 148   }
 149
 150  /*
 151   * Reset the printer...
 152   */
 153
 154   cupsWritePrintData("\033E", 2);
 155
 156  /*
 157   * Close the command file and return...
 158   */
 159
 160   ppdClose(ppd);
 161
 162   if (fp != stdin)
 163     fclose(fp);
 164
 165   return (0);
 166 }
 167
 168
 169 /*
 170  * End of "$Id$".
 171  */