120 lines
2.5 KiB
C
120 lines
2.5 KiB
C
/* ----------------------------------------------------------------------- *
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*
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* Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston MA 02110-1301, USA; either version 2 of the License, or
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* (at your option) any later version; incorporated herein by reference.
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*
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* ----------------------------------------------------------------------- */
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#include <ctype.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <consoles.h>
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#include <getkey.h>
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#include <minmax.h>
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#include <setjmp.h>
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#include <limits.h>
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#include <sha1.h>
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#include <base64.h>
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#include <colortbl.h>
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#ifdef __COM32__
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#include <com32.h>
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#endif
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#include "menu.h"
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static int draw_message_file(const char *filename)
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{
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FILE *f;
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int ch;
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enum msgname_state {
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st_init, /* Base state */
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st_si_1, /* <SI> digit 1 */
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st_si_2, /* <SI> digit 2 */
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st_skipline, /* Skip until NL */
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} state = st_init;
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int eof = 0;
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int attr = 0;
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f = fopen(filename, "r");
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if (!f)
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return -1;
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/* Clear screen, hide cursor, default attribute */
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printf("\033e\033%%@\033)0\033(B\3#%03d\033[?25l\033[2J\033[H",
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message_base_color + 0x07);
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while (!eof && (ch = getc(f)) != EOF) {
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switch (state) {
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case st_init:
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switch (ch) {
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case '\f':
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fputs("\033[2J\033[H", stdout);
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break;
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case 15: /* SI */
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state = st_si_1;
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break;
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case 24:
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state = st_skipline;
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break;
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case 26:
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eof = 1;
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break;
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case '\a':
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case '\n':
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case '\r':
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putchar(ch);
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break;
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default:
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if (ch >= 32)
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putchar(ch);
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break;
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}
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break;
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case st_si_1:
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attr = hexval(ch) << 4;
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state = st_si_2;
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break;
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case st_si_2:
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attr |= hexval(ch);
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printf("\3#%03d", attr + message_base_color);
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state = st_init;
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break;
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case st_skipline:
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if (ch == '\n')
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state = st_init;
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break;
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}
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}
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fclose(f);
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return 0;
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}
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int show_message_file(const char *filename, const char *background)
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{
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int rv = KEY_NONE;
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const char *old_background = NULL;
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if (background) {
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old_background = current_background;
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set_background(background);
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}
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if (!(rv = draw_message_file(filename)))
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rv = mygetkey(0); /* Wait for keypress */
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if (old_background)
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set_background(old_background);
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return rv;
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}
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