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/* $OpenBSD: macro.c,v 1.14 2012/04/12 04:47:59 lum Exp $ */
/* This file is in the public domain. */
/*
* Keyboard macros.
*/
#include "def.h"
#include "key.h"
#include "macro.h"
int inmacro = FALSE; /* Macro playback in progess */
int macrodef = FALSE; /* Macro recording in progress */
int macrocount = 0;
struct line *maclhead = NULL;
struct line *maclcur;
union macrodef macro[MAXMACRO];
/* ARGSUSED */
int
definemacro(int f, int n)
{
struct line *lp1, *lp2;
macrocount = 0;
if (macrodef) {
ewprintf("already defining macro");
return (macrodef = FALSE);
}
/* free lines allocated for string arguments */
if (maclhead != NULL) {
for (lp1 = maclhead->l_fp; lp1 != maclhead; lp1 = lp2) {
lp2 = lp1->l_fp;
free(lp1);
}
free(lp1);
}
if ((maclhead = lp1 = lalloc(0)) == NULL)
return (FALSE);
ewprintf("Defining Keyboard Macro...");
maclcur = lp1->l_fp = lp1->l_bp = lp1;
return (macrodef = TRUE);
}
/* ARGSUSED */
int
finishmacro(int f, int n)
{
if (macrodef == TRUE) {
macrodef = FALSE;
ewprintf("End Keyboard Macro Definition");
return (TRUE);
}
return (FALSE);
}
/* ARGSUSED */
int
executemacro(int f, int n)
{
int i, j, flag, num;
PF funct;
if (macrodef ||
(macrocount >= MAXMACRO && macro[MAXMACRO - 1].m_funct
!= finishmacro)) {
ewprintf("Macro too long. Aborting.");
return (FALSE);
}
if (macrocount == 0)
return (TRUE);
inmacro = TRUE;
for (i = n; i > 0; i--) {
maclcur = maclhead->l_fp;
flag = 0;
num = 1;
for (j = 0; j < macrocount - 1; j++) {
funct = macro[j].m_funct;
if (funct == universal_argument) {
flag = FFARG;
num = macro[++j].m_count;
continue;
}
if ((*funct)(flag, num) != TRUE) {
inmacro = FALSE;
return (FALSE);
}
lastflag = thisflag;
thisflag = 0;
flag = 0;
num = 1;
}
}
inmacro = FALSE;
return (TRUE);
}
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