184 lines
3.4 KiB
C
184 lines
3.4 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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char **av;
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void
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usage (char *s)
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{
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fprintf (stderr, "Usage: %s [file]\n", s);
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}
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void
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process (FILE *f, char *name)
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{
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unsigned char header[300];
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unsigned char rec[2];
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printf("<html>\n");
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printf("<pre>\n");
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int bold = 0, under = 0, sub = 0, super = 0;
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if (fread (header, sizeof (unsigned char), 300, f) != 300) {
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fprintf (stderr,
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"%s: %s: could not read word processor header\n",
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av[0], name);
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return;
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}
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if (header[4] != 79) {
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fprintf (stderr,
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"%s: %s: is not an AppleWorks word processor file\n",
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av[0], name);
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return;
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}
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while (fread (rec, sizeof (unsigned char), 2, f) == 2) {
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if (rec[1] == 0) {
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unsigned char *line;
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int i;
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line = malloc (sizeof (unsigned char) * rec[0]);
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if (!line) {
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fprintf (stderr, "%s: %s: out of memory\n",
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av[0], name);
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exit (EXIT_FAILURE);
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}
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if (fread (line, sizeof (unsigned char),
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rec[0], f) != rec[0]) {
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fprintf (stderr, "%s: %s: read error\n",
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av[0], name);
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return;
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}
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for (i = 0; i < (line[0] & 0x7f); i++)
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printf (" ");
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for (i = 2; i < (line[1] & 0x7f) + 2; i++) {
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if (line[i] == 1 && bold == 0) {
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printf("<b>");
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bold++;
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} else if (line[i] == 2 && bold > 0) {
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printf("</b>");
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bold--;
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} else if (line[i] == 3 && super == 0) {
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printf("<sup>");
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super++;
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} else if (line[i] == 4 && super > 0) {
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printf("</sup>");
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super--;
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} else if (line[i] == 5 && sub == 0) {
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printf("<sub>");
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sub++;
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} else if (line[i] == 6 && sub > 0) {
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printf("</sub>");
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sub--;
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} else if (line[i] == 7 && under == 0) {
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printf("<u>");
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under++;
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} else if (line[i] == 8 && under > 0) {
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printf("</u>");
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under--;
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} else if (line[i] == 11) {
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printf (" "); /* sticky space */
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} else if (line[i] == 0x16) {
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printf (" "); /* tab */
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} else if (line[i] == 0x17) {
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printf (" "); /* tab spacer */
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} else if (line[i] >= 32) {
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if (line[i] == '&') {
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printf("&");
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} else if (line[i] == '<') {
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printf("<");
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} else if (line[i] == '>') {
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printf(">");
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} else {
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printf ("%c", line[i]);
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}
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}
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}
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free (line);
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printf ("\n");
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if (line[1] & 0x80) {
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while (bold > 0) {
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printf("</b>");
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bold--;
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}
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while (under > 0) {
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printf("</u>");
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under--;
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}
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while (super > 0) {
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printf("</sup>");
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super--;
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}
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while (sub > 0) {
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printf("</sub>");
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sub--;
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}
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}
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} else if (rec[1] == 0xd0) {
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int i;
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for (i = 0; i < rec[0]; i++)
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printf (" ");
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printf ("\n");
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while (bold > 0) {
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printf("</b>");
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bold--;
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}
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while (under > 0) {
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printf("</u>");
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under--;
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}
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while (super > 0) {
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printf("</sup>");
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super--;
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}
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while (sub > 0) {
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printf("</sub>");
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sub--;
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}
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bold = under = super = sub = 0;
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}
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}
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printf("</pre>");
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printf("</html>");
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}
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int
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main (int argc, char **argv)
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{
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av = argv;
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if (argc < 2) {
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process (stdin, "standard input");
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} else if (argc == 2) {
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FILE *f = fopen (argv[1], "r");
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if (f) {
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process (f, argv[1]);
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fclose (f);
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} else {
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fprintf (stderr, "%s: %s: %s\n", argv[0], argv[1],
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strerror (errno));
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exit (EXIT_FAILURE);
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}
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} else {
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usage (argv[0]);
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exit (EXIT_FAILURE);
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}
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return (EXIT_SUCCESS);
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}
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