| 1 | /* |
| 2 | * Copyright (c) 1983 Regents of the University of California. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms are permitted |
| 6 | * provided that this notice is preserved and that due credit is given |
| 7 | * to the University of California at Berkeley. The name of the University |
| 8 | * may not be used to endorse or promote products derived from this |
| 9 | * software without specific prior written permission. This software |
| 10 | * is provided ``as is'' without express or implied warranty. |
| 11 | */ |
| 12 | |
| 13 | #ifndef lint |
| 14 | char copyright[] = |
| 15 | "@(#) Copyright (c) 1983 Regents of the University of California.\n\ |
| 16 | All rights reserved.\n"; |
| 17 | #endif /* not lint */ |
| 18 | |
| 19 | #ifndef lint |
| 20 | static char sccsid[] = "@(#)vpsf.c 5.2 (Berkeley) %G%"; |
| 21 | #endif /* not lint */ |
| 22 | |
| 23 | /* |
| 24 | * Versatec printer filter |
| 25 | * make wide listings by placing pages side by side |
| 26 | */ |
| 27 | |
| 28 | #include <stdio.h> |
| 29 | #include <sys/vcmd.h> |
| 30 | |
| 31 | #define LINELN 440 |
| 32 | #define PAGELN 86 |
| 33 | #define LMARG 10 |
| 34 | |
| 35 | int pltmode[] = {VPLOT}; |
| 36 | int prtmode[] = {VPRINT}; |
| 37 | |
| 38 | char screen[PAGELN][LINELN]; |
| 39 | char ul[PAGELN][LINELN]; |
| 40 | char anyul[PAGELN]; |
| 41 | int origin; /* first column of a page */ |
| 42 | int origin_ind; /* origin plus indent */ |
| 43 | int outline; /* current line number */ |
| 44 | int outcol; /* current column number */ |
| 45 | int npages; |
| 46 | int width = 106; /* default page width */ |
| 47 | int length = 86; /* default page length */ |
| 48 | int indent = 0; /* default indent */ |
| 49 | |
| 50 | int literal; |
| 51 | char *name; /* user's login name */ |
| 52 | char *host; /* user's machine name */ |
| 53 | char *acctfile; /* accounting information file */ |
| 54 | |
| 55 | main(argc, argv) |
| 56 | int argc; |
| 57 | char *argv[]; |
| 58 | { |
| 59 | register int i; |
| 60 | |
| 61 | while (--argc) { |
| 62 | if (*(*++argv) == '-') { |
| 63 | switch (argv[0][1]) { |
| 64 | case 'n': |
| 65 | argc--; |
| 66 | name = *++argv; |
| 67 | break; |
| 68 | |
| 69 | case 'h': |
| 70 | argc--; |
| 71 | host = *++argv; |
| 72 | break; |
| 73 | |
| 74 | case 'w': |
| 75 | if ((i = atoi(&argv[0][2])) > 0 && i <= LINELN) |
| 76 | width = i; |
| 77 | break; |
| 78 | |
| 79 | case 'l': |
| 80 | if ((i = atoi(&argv[0][2])) > 0 && i <= PAGELN) |
| 81 | length = i; |
| 82 | break; |
| 83 | |
| 84 | case 'i': |
| 85 | if ((i = atoi(&argv[0][2])) >= 0 && |
| 86 | i < LINELN - 1) |
| 87 | indent = i; |
| 88 | break; |
| 89 | |
| 90 | case 'c': /* Print input without throwing away |
| 91 | control chars and without putting |
| 92 | in page breaks. */ |
| 93 | literal++; |
| 94 | break; |
| 95 | } |
| 96 | } else |
| 97 | acctfile = *argv; |
| 98 | } |
| 99 | indent += literal ? 1 : LMARG; |
| 100 | if (indent >= width) |
| 101 | indent = width - 1; |
| 102 | |
| 103 | /* |
| 104 | * input file is open on file descriptor 0. |
| 105 | * vp should be open on file descriptor 1. |
| 106 | * The error log file is open on file descriptor 2. |
| 107 | */ |
| 108 | ioctl(1, VSETSTATE, prtmode); |
| 109 | process(); |
| 110 | |
| 111 | /* |
| 112 | * Put out an extra null to ensure versatec will get an even |
| 113 | * number of good characters. |
| 114 | */ |
| 115 | putchar('\0'); |
| 116 | |
| 117 | if (ferror(stdout)) |
| 118 | exit(1); |
| 119 | if (name && acctfile && access(acctfile, 02) >= 0 && |
| 120 | freopen(acctfile, "a", stdout) != NULL) { |
| 121 | if (host) |
| 122 | printf("%7.2f\t%s:%s\n", (float)npages, host, name); |
| 123 | else |
| 124 | printf("%7.2f\t%s\n", (float)npages, name); |
| 125 | } |
| 126 | exit(0); |
| 127 | } |
| 128 | |
| 129 | set_up() |
| 130 | { |
| 131 | clear(screen, sizeof(screen)); |
| 132 | origin = 0; |
| 133 | origin_ind = outcol = origin + indent; |
| 134 | outline = 0; |
| 135 | cutmark(origin); |
| 136 | } |
| 137 | |
| 138 | process() |
| 139 | { |
| 140 | register int c; |
| 141 | |
| 142 | set_up(); |
| 143 | |
| 144 | while ((c = getchar()) != EOF) |
| 145 | switch (c) { |
| 146 | case ' ': |
| 147 | outcol++; |
| 148 | break; |
| 149 | |
| 150 | case '\t': |
| 151 | outcol = ((outcol - origin_ind) | 07) + origin_ind + 1; |
| 152 | break; |
| 153 | |
| 154 | case '\b': |
| 155 | if (outcol > origin_ind) |
| 156 | outcol--; |
| 157 | break; |
| 158 | |
| 159 | case '\r': |
| 160 | outcol = origin_ind; |
| 161 | break; |
| 162 | |
| 163 | case '\f': |
| 164 | outline = length; |
| 165 | /* fall into ... */ |
| 166 | |
| 167 | case '\n': |
| 168 | if (++outline >= length) { |
| 169 | origin += width + 1; |
| 170 | origin_ind += width + 1; |
| 171 | cutmark(origin); |
| 172 | if (origin + width + 1 >= LINELN) { |
| 173 | oflush(); |
| 174 | break; |
| 175 | } |
| 176 | outline = 0; |
| 177 | } |
| 178 | outcol = origin_ind; |
| 179 | break; |
| 180 | |
| 181 | default: |
| 182 | outchar(c); |
| 183 | break; |
| 184 | } |
| 185 | |
| 186 | if (outline || origin) { |
| 187 | cutmark(origin + width + 1); |
| 188 | oflush(); |
| 189 | } |
| 190 | printf("\n\n\n\n\n"); |
| 191 | } |
| 192 | |
| 193 | outchar(c) |
| 194 | register int c; |
| 195 | { |
| 196 | register char *cp; |
| 197 | register int d; |
| 198 | |
| 199 | if (!literal && (c < 040 || c >= 0177)) |
| 200 | return; |
| 201 | if (outcol >= origin + width + 1) { |
| 202 | outcol++; |
| 203 | return; |
| 204 | } |
| 205 | cp = &screen[outline][outcol]; |
| 206 | d = *cp; |
| 207 | if (d != ' ') { |
| 208 | if (d == '_' || c == '_') { |
| 209 | if (c == d) { |
| 210 | outcol++; |
| 211 | return; |
| 212 | } |
| 213 | if (anyul[outline] == 0) |
| 214 | clear(ul[outline], LINELN); |
| 215 | anyul[outline] = 1; |
| 216 | ul[outline][outcol] = 0377; |
| 217 | if (c == '_') |
| 218 | c = d; |
| 219 | } |
| 220 | } |
| 221 | *cp = c; |
| 222 | outcol++; |
| 223 | } |
| 224 | |
| 225 | oflush() |
| 226 | { |
| 227 | register char *cp, *dp; |
| 228 | register int i, j, oc, dc, c; |
| 229 | |
| 230 | npages++; |
| 231 | putchar('\n'); |
| 232 | for (i = 0; i < length; i++) |
| 233 | putline(i); |
| 234 | for (i = 0; i < LINELN; i++) |
| 235 | putchar('_'); |
| 236 | putchar('\n'); |
| 237 | |
| 238 | set_up(); |
| 239 | } |
| 240 | |
| 241 | clear(cp, i) |
| 242 | register char *cp; |
| 243 | register int i; |
| 244 | { |
| 245 | if (i > 0) |
| 246 | do |
| 247 | *cp++ = ' '; |
| 248 | while (--i); |
| 249 | } |
| 250 | |
| 251 | cutmark(o) |
| 252 | register int o; |
| 253 | { |
| 254 | register int i; |
| 255 | |
| 256 | screen[0][o] = '|'; |
| 257 | screen[1][o] = '|'; |
| 258 | screen[length - 1][o] = '|'; |
| 259 | screen[length - 2][o] = '|'; |
| 260 | } |
| 261 | |
| 262 | putline(n) |
| 263 | register int n; |
| 264 | { |
| 265 | register char *cp; |
| 266 | register int j; |
| 267 | |
| 268 | fwrite(screen[n], sizeof(char), sizeof(screen[0]), stdout); |
| 269 | if (anyul[n]) { |
| 270 | putchar('\n'); |
| 271 | putchar('\0'); |
| 272 | fflush(stdout); |
| 273 | ioctl(1, VSETSTATE, pltmode); |
| 274 | cp = ul[n]; |
| 275 | j = LINELN; |
| 276 | do { |
| 277 | putchar(*cp & 0377); |
| 278 | putchar(*cp++ & 0377); |
| 279 | } while (--j); |
| 280 | fflush(stdout); |
| 281 | ioctl(1, VSETSTATE, prtmode); |
| 282 | } else |
| 283 | putchar('\n'); |
| 284 | if (ferror(stdout)) |
| 285 | exit(1); |
| 286 | } |