1 /*
2 * Advanced PCL command filter for CUPS.
3 *
4 * Copyright 2007-2011 by Apple Inc.
5 * Copyright 1993-2005 by Easy Software Products.
6 *
7 * These coded instructions, statements, and computer programs are the
8 * property of Apple Inc. and are protected by Federal copyright
9 * law. Distribution and use rights are outlined in the file "COPYING"
10 * which should have been included with this file.
11 *
12 *
13 * Contents:
14 *
15 * main() - Main entry and command processing.
16 */
17
18 /*
19 * Include necessary headers...
20 */
21
22 #include <cups/cups.h>
23 #include <cups/ppd.h>
24 #include <cupsfilters/driver.h>
25 #include <string.h>
26 #include <ctype.h>
27 #include "pcl.h"
28
29
30 /*
31 * 'main()' - Main entry and processing of driver.
32 */
33
34 int /* O - Exit status */
main(int argc,char * argv[])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 fprintf(stderr, "Usage: %s job-id user title copies options [file]\n",
57 argv[0]);
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