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109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
/* execute.c -- implements execute.h */
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#include "execute.h"
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#include <stdlib.h>
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#include "estruct.h"
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#include "bind.h"
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#include "random.h"
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#include "display.h"
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#include "file.h"
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#include "mlout.h"
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#include "window.h"
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int gasave = 256 ; /* global ASAVE size */
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int gacount = 256 ; /* count until next ASAVE */
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/*
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* This is the general command execution routine. It handles the fake binding
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* of all the keys to "self-insert". It also clears out the "thisflag" word,
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* and arranges to move it to the "lastflag", so that the next command can
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* look at it. Return the status of command.
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*/
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int execute(int c, int f, int n)
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{
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int status;
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fn_t execfunc;
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/* if the keystroke is a bound function...do it */
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execfunc = getbind(c);
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if (execfunc != NULL) {
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thisflag = 0;
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status = (*execfunc) (f, n);
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lastflag = thisflag;
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return status;
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}
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/*
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* If a space was typed, fill column is defined, the argument is non-
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* negative, wrap mode is enabled, and we are now past fill column,
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* and we are not read-only, perform word wrap.
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*/
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if (c == ' ' && (curwp->w_bufp->b_mode & MDWRAP) && fillcol > 0 &&
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n >= 0 && getccol(FALSE) > fillcol &&
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(curwp->w_bufp->b_mode & MDVIEW) == FALSE)
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execute(META | SPEC | 'W', FALSE, 1);
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#if PKCODE
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if ((c >= 0x20 && c <= 0x7E) /* Self inserting. */
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#if IBMPC
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|| (c >= 0x80 && c <= 0xFE)) {
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#else
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#if VMS || BSD || USG /* 8BIT P.K. */
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|| (c >= 0xA0 && c <= 0x10FFFF)) {
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#else
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) {
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#endif
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#endif
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#else
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if ((c >= 0x20 && c <= 0xFF)) { /* Self inserting. */
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#endif
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if (n <= 0) { /* Fenceposts. */
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lastflag = 0;
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return n < 0 ? FALSE : TRUE;
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}
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thisflag = 0; /* For the future. */
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/* if we are in overwrite mode, not at eol,
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and next char is not a tab or we are at a tab stop,
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delete a char forword */
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if (curwp->w_bufp->b_mode & MDOVER &&
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curwp->w_doto < curwp->w_dotp->l_used &&
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(lgetc(curwp->w_dotp, curwp->w_doto) != '\t' ||
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(curwp->w_doto) % 8 == 7))
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ldelchar(1, FALSE);
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/* do the appropriate insertion */
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if (c == '}' && (curbp->b_mode & MDCMOD) != 0)
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status = insbrace(n, c);
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else if (c == '#' && (curbp->b_mode & MDCMOD) != 0)
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status = inspound();
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else
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status = linsert(n, c);
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#if CFENCE
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/* check for CMODE fence matching */
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if ((c == '}' || c == ')' || c == ']') &&
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(curbp->b_mode & MDCMOD) != 0)
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fmatch(c);
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#endif
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/* check auto-save mode */
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if (curbp->b_mode & MDASAVE)
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if (--gacount == 0) {
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/* and save the file if needed */
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upscreen(FALSE, 0);
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filesave(FALSE, 0);
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gacount = gasave;
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}
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lastflag = thisflag;
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return status;
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}
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lastflag = 0 ; /* Fake last flags. */
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mloutfmt( "%B(Key not bound)") ; /* Complain */
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return FALSE ;
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}
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