122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
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/*-
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* Copyright (c) 1992, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 1992, 1993, 1994, 1995, 1996
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* Keith Bostic. All rights reserved.
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*
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* See the LICENSE file for redistribution information.
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*/
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#include "config.h"
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#ifndef lint
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static const char sccsid[] = "@(#)ex_map.c 10.9 (Berkeley) 3/6/96";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/queue.h>
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#include <bitstring.h>
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#include <ctype.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "../common/common.h"
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/*
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* ex_map -- :map[!] [input] [replacement]
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* Map a key/string or display mapped keys.
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*
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* Historical note:
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* Historic vi maps were fairly bizarre, and likely to differ in
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* very subtle and strange ways from this implementation. Two
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* things worth noting are that vi would often hang or drop core
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* if the map was strange enough (ex: map X "xy$@x^V), or, simply
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* not work. One trick worth remembering is that if you put a
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* mark at the start of the map, e.g. map X mx"xy ...), or if you
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* put the map in a .exrc file, things would often work much better.
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* No clue why.
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*
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* PUBLIC: int ex_map __P((SCR *, EXCMD *));
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*/
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int
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ex_map(sp, cmdp)
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SCR *sp;
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EXCMD *cmdp;
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{
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seq_t stype;
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CHAR_T *input, *p;
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stype = FL_ISSET(cmdp->iflags, E_C_FORCE) ? SEQ_INPUT : SEQ_COMMAND;
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switch (cmdp->argc) {
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case 0:
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if (seq_dump(sp, stype, 1) == 0)
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msgq(sp, M_INFO, stype == SEQ_INPUT ?
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"132|No input map entries" :
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"133|No command map entries");
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return (0);
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case 2:
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input = cmdp->argv[0]->bp;
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break;
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default:
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abort();
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}
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/*
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* If the mapped string is #[0-9]* (and wasn't quoted) then store the
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* function key mapping. If the screen specific routine has been set,
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* call it as well. Note, the SEQ_FUNCMAP type is persistent across
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* screen types, maybe the next screen type will get it right.
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*/
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if (input[0] == '#' && isdigit(input[1])) {
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for (p = input + 2; isdigit(*p); ++p);
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if (p[0] != '\0')
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goto nofunc;
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if (seq_set(sp, NULL, 0, input, cmdp->argv[0]->len,
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cmdp->argv[1]->bp, cmdp->argv[1]->len, stype,
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SEQ_FUNCMAP | SEQ_USERDEF))
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return (1);
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return (sp->gp->scr_fmap == NULL ? 0 :
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sp->gp->scr_fmap(sp, stype, input, cmdp->argv[0]->len,
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cmdp->argv[1]->bp, cmdp->argv[1]->len));
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}
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/* Some single keys may not be remapped in command mode. */
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nofunc: if (stype == SEQ_COMMAND && input[1] == '\0')
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switch (KEY_VAL(sp, input[0])) {
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case K_COLON:
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case K_ESCAPE:
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case K_NL:
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msgq(sp, M_ERR,
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"134|The %s character may not be remapped",
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KEY_NAME(sp, input[0]));
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return (1);
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}
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return (seq_set(sp, NULL, 0, input, cmdp->argv[0]->len,
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cmdp->argv[1]->bp, cmdp->argv[1]->len, stype, SEQ_USERDEF));
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}
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/*
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* ex_unmap -- (:unmap[!] key)
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* Unmap a key.
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*
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* PUBLIC: int ex_unmap __P((SCR *, EXCMD *));
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*/
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int
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ex_unmap(sp, cmdp)
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SCR *sp;
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EXCMD *cmdp;
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{
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if (seq_delete(sp, cmdp->argv[0]->bp, cmdp->argv[0]->len,
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FL_ISSET(cmdp->iflags, E_C_FORCE) ? SEQ_INPUT : SEQ_COMMAND)) {
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msgq_str(sp, M_INFO,
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cmdp->argv[0]->bp, "135|\"%s\" isn't currently mapped");
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return (1);
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}
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return (0);
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}
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