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Import of Empire 4.2.12

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This commit is contained in:
Markus Armbruster 2003-08-23 12:23:04 +00:00
commit d8b7fdfae1
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src/lib/subs/getele.c Normal file
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/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---
*
* See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
* related information and legal notices. It is expected that any future
* projects/authors will amend these files as needed.
*
* ---
*
* getele.c: Read a telegram from a file or stdin and send it to a country
*
* Known contributors to this file:
*
*/
#include <ctype.h>
#include "misc.h"
#include "player.h"
#include "tel.h"
#include "prototypes.h"
static int tilde_escape(s_char *s, s_char c);
int
getele(s_char *nation, s_char *buf)
{
register s_char *bp;
register int len;
register int c;
s_char buffer[MAXTELSIZE + 2];
s_char left[MAXTELSIZE + 2];
pr("Enter telegram for %s\n", nation);
pr("undo last line with ~u, print with ~p, abort with ~q, end with ^D or .\n");
bp = buf;
while (!player->aborted) {
sprintf(left, "%4d left: ", (int)(buf + MAXTELSIZE - bp));
buffer[0] = 0;
if (prmptrd(left, buffer, MAXTELSIZE-2) <= 0)
break;
if (tilde_escape(buffer, 'q'))
return -1;
if (tilde_escape(buffer, 'u')) {
if (bp == buf) {
pr("No more lines to undo\n");
continue;
}
pr("Last line deleted.\n");
for (bp -= 2; bp > buf && *bp != '\n'; --bp);
if (bp > buf)
*(++bp) = 0;
else
bp = buf;
continue;
}
if (tilde_escape(buffer, 'p')) {
pr("This is what you have written so far:\n");
pr("%s", buf);
continue;
}
if (buffer[0] == '.' && ((buffer[1] == 0) ||
(buffer[1] == '\n') || (buffer[1] == '\r')))
break;
len = strlen(buffer);
buffer[len++] = '\n';
buffer[len] = 0;
if (len + (bp - buf) > MAXTELSIZE)
pr("Too long. Try that last line again...\n");
else {
if (buffer[0] == '>') /* forgery attempt? */
buffer[0] = '?'; /* foil it */
(void) strcpy(bp, buffer);
bp += len;
}
}
if (player->aborted)
return -1;
len = bp - buf;
buf[len] = 0;
/* Get rid of non-ASCII and control characters. */
for (bp = buf; 0 != (c = *bp); bp++) {
if (isascii(c) && (isprint(c) || isspace(c)))
continue;
*bp = '?';
}
return len;
}
static int
tilde_escape(s_char *s, s_char c)
{
if (s[0] == '~' && s[1] == c &&
((s[2] == 0) || (s[2] == '\n') || (s[2] == '\r')))
return 1;
return 0;
}