419 lines
9.5 KiB
C
419 lines
9.5 KiB
C
/*-
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1988, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)mset.c 8.1 (Berkeley) 6/6/93";
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#endif
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static const char rcsid[] =
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"$Id$";
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#endif /* not lint */
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/*
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* this program outputs the user's 3270 mapping table in a form suitable
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* for inclusion in the environment. Typically, this might be used
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* by:
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* setenv MAP3270 "`mset`"
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*/
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#include <stdio.h>
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#if defined(unix)
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#include <strings.h>
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#else /* defined(unix) */
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#include <string.h>
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#endif /* defined(unix) */
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#include "../ctlr/function.h"
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#include "state.h"
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#include "map3270.h"
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#include "../api/astosc.h"
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#include "../general/globals.h"
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struct regstate {
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char *result;
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char *match_start;
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char *match_end; /* start of NEXT state's match string */
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struct regstate *forward;
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struct regstate *backward;
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};
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static struct regstate regstates[500], *rptr= 0; /* for sorting states */
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static char array[5000]; /* lot's of room */
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static int toshell = 0; /* export to shell */
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static int numbchars = 0; /* number of chars in envir. var */
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static void usage __P((void));
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static int
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MyStrcmp(str1, str2)
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char *str1, *str2;
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{
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if (strncmp(str1, "PFK", 3) == 0 && strncmp(str2, "PFK", 3) == 0
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&& strlen(str1) != strlen(str2)) {
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return(strlen(str1) - strlen(str2));
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}
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return(strcmp(str1, str2));
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}
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static void
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forwRegister(regptr, sptr)
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struct regstate *regptr, *sptr;
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{
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regptr->forward = sptr->forward;
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regptr->backward = sptr;
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(sptr->forward)->backward = regptr;
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sptr->forward = regptr;
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}
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static void
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backRegister(regptr, sptr)
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struct regstate *regptr, *sptr;
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{
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regptr->forward = sptr;
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regptr->backward = sptr->backward;
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(sptr->backward)->forward = regptr;
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sptr->backward = regptr;
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}
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static struct regstate *
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doRegister(regptr)
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register struct regstate *regptr;
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{
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static struct regstate *pivot = regstates;
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register struct regstate *sptr = pivot;
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int check;
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if (pivot == regstates) { /* first time called */
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pivot->forward = regptr;
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regptr->backward = pivot++;
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pivot->backward = regptr;
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regptr->forward = pivot++;
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return(++regptr);
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}
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if ((check = MyStrcmp(regptr->result, pivot->result)) < 0) {
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while (check < 0) {
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if (sptr->backward == regstates) {
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backRegister(regptr, sptr);
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pivot = pivot->backward;
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return(++regptr);
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}
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sptr = sptr->backward;
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check = MyStrcmp(regptr->result, sptr->result);
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}
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forwRegister(regptr, sptr);
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pivot = pivot->backward;
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return(++regptr);
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}
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while (check > 0) {
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if ((sptr->forward)->result == 0) {
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forwRegister(regptr, sptr);
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pivot = pivot->forward;
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return(++regptr);
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}
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sptr = sptr->forward;
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check = MyStrcmp(regptr->result, sptr->result);
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}
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backRegister(regptr, sptr);
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if (pivot->forward->result) {
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pivot = pivot->forward;
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}
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return(++regptr);
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}
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static char *
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addString(strcount, character)
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int strcount;
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char character;
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{
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static char *string = array;
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int i;
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if (rptr->match_start == 0) {
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rptr->match_start = string;
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for (i=0; i < strcount; i++) {
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*string++ = *((rptr-1)->match_start+i);
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}
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}
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*string++ = character;
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return(string);
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}
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static char savename[20] = " "; /* for deciding if name is new */
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static void
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printString(string, begin, tc_name)
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register char *string;
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char *begin, *tc_name;
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{
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register char *st1, *st2;
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register int pchar;
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static char suffix = 'A';
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int new = strcmp(savename, tc_name);
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char delim = new ? ';' : '|';
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char *uncontrol();
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st1 = begin;
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numbchars += 5 + (new ? strlen(tc_name) : -1);
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if (toshell && numbchars > 1011) {
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new = 1;
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delim = ';';
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numbchars = 5 + strlen(tc_name);
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printf(";\nsetenv MAP3270%c ", suffix++);
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}
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if (strcmp(" ", savename)) {
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if (toshell) {
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printf("%c%c", '\\', delim);
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}
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else {
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printf("%c", delim);
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}
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}
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else {
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numbchars -= 2;
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}
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if (toshell && new) {
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printf("%s=%c'", tc_name,'\\');
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}
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else if (new) {
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printf("%s='", tc_name);
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}
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else if (toshell) {
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printf("%c'", '\\');
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}
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else {
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printf("'");
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}
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(void) strcpy(savename, tc_name);
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while (st1 != string) {
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if (toshell && numbchars >= 1016) { /* leave room for ctrl and delim */
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numbchars = 0;
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printf(";\nsetenv MAP3270%c ", suffix++);
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}
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pchar = 0xff&(*st1++);
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switch (pchar) {
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case '"':
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case '!':
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case '$':
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case '(':
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case ')':
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case ' ':
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case ';':
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case '&':
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case '|':
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case '>':
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case '<':
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case '`':
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case '#':
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numbchars += 2;
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if (toshell) {
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printf("%c%c", '\\', pchar);
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}
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else {
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printf("%c", pchar);
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}
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break;
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case '\\':
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case '\'':
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numbchars += 4;
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if (toshell) {
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printf("%c%c%c%c", '\\', '\\', '\\', pchar);
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}
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else {
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printf("%c%c", '\\', pchar);
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}
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break;
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case '^':
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numbchars += 3;
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if (toshell) {
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printf("%c%c%c", '\\', '\\', pchar);
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}
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else {
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printf("%c%c", '\\', pchar);
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}
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break;
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default:
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st2 = uncontrol(pchar);
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while ((pchar = *st2++) != 0) {
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switch (pchar) {
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case '"':
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case '!':
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case '$':
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case '(':
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case ')':
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case ' ':
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case ';':
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case '&':
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case '|':
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case '>':
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case '<':
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case '`':
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case '#':
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case '\\':
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case '\'':
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if (toshell) {
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numbchars += 2;
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printf("%c%c", '\\', pchar);
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}
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else {
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printf("%c", pchar);
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}
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break;
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default:
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numbchars++;
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printf("%c", pchar);
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break;
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}
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}
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break;
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}
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}
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numbchars += 2;
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if (toshell) {
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printf("%c'", '\\');
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}
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else {
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printf("'");
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}
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}
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static void
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recurse(strcount, head)
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state *head;
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int strcount;
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{
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/* if there is a left,
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* recurse on left,
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* if there is no down,
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* print the string to here
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* else,
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* add the current match to the string,
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* recurse.
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* exit.
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*/
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if (head->next) {
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recurse(strcount, head->next);
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}
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if (head->result != STATE_GOTO) {
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rptr->match_end = addString(strcount, head->match);
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rptr->result = astosc[head->result].name;
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rptr = doRegister(rptr);
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} else {
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(void) addString(strcount, head->match);
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recurse(strcount+1, head->address);
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strcount--;
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}
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return;
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}
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main(argc, argv)
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int argc;
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char *argv[];
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{
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state *head;
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char *keybdPointer = (char *) 0;
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extern char *getenv();
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int picky = 0;
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while ((argc > 1) && (argv[1][0] == '-')) {
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if (!strcmp(argv[1], "-picky")) {
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picky++;
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} else if (!strcmp(argv[1], "-shell")) {
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toshell++;
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} else {
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usage();
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/*NOTREACHED*/
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}
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argv++;
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argc--;
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}
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if (argc == 2) {
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keybdPointer = argv[1];
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} else if (argc > 2) {
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usage();
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/*NOTREACHED*/
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}
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head = InitControl(keybdPointer, picky, ascii_to_index);
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if (!head) {
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return(1);
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}
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if (keybdPointer == 0) {
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keybdPointer = getenv("KEYBD");
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}
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if (keybdPointer == 0) {
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keybdPointer = getenv("TERM");
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}
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if (keybdPointer == 0) {
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keybdPointer = "3a"; /* use 3a as the terminal */
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}
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if (toshell) {
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printf("set noglob;\nsetenv MAP3270 ");
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}
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printf("%s{", keybdPointer);
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numbchars = 2 + strlen(keybdPointer);
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/* now, run through the table registering entries */
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rptr = regstates + 2;
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recurse(0, head);
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/* now print them out */
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for (rptr = regstates[0].forward; rptr->result != 0;
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rptr = rptr->forward) {
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printString(rptr->match_end, rptr->match_start, rptr->result);
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}
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if (toshell) {
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printf("%c;};\nunset noglob;\n", '\\');
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}
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else {
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printf(";}\n");
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}
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return(0);
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}
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static void
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usage()
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{
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fprintf(stderr, "usage: mset [-picky] [-shell] [keyboardname]");
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exit(1);
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}
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