示例#1
0
文件: zle_vi.c 项目: Osse/zsh
int
vireplacechars(UNUSED(char **args))
{
    ZLE_INT_T ch;
    int n = zmult, fail = 0, newchars = 0;

    if (n > 0) {
	int pos = zlecs;
	while (n-- > 0) {
	    if (pos == zlell || zleline[pos] == ZWC('\n')) {
		fail = 1;
		break;
	    }
	    newchars++;
	    INCPOS(pos);
	}
	n = pos - zlecs;
    }
    startvichange(1);
    /* check argument range */
    if (n < 1 || fail) {
	if(vichgrepeat)
	    vigetkey();
	if(vichgflag) {
	    free(vichgbuf);
	    vichgbuf = NULL;
	    vichgflag = 0;
	}
	return 1;
    }
    /* get key */
    if((ch = vigetkey()) == ZLEEOF) {
	vichgflag = 0;
	return 1;
    }
    /* do change */
    if (ch == ZWC('\r') || ch == ZWC('\n')) {
	/* <return> handled specially */
	zlecs += n - 1;
	backkill(n - 1, CUT_RAW);
	zleline[zlecs++] = '\n';
    } else {
	/*
	 * Make sure we delete displayed characters, including
	 * attach combining characters. n includes this as a raw
	 * buffer offset.
	 * Use shiftchars so as not to adjust the cursor position;
	 * we are overwriting anything that remains directly.
	 */
	if (n > newchars)
	    shiftchars(zlecs, n - newchars);
	else if (n < newchars)
	    spaceinline(newchars - n);
	while (newchars--)
	    zleline[zlecs++] = ch;
	zlecs--;
    }
    vichgflag = 0;
    return 0;
}
示例#2
0
void
vireplacechars(void)
{
    int ch;

    startvichange(1);
    /* get key */
    if((ch = vigetkey()) == -1) {
	vichgflag = 0;
	feep();
	return;
    }
    /* check argument range */
    if (zmult < 0 || zmult + cs > findeol()) {
	vichgflag = 0;
	feep();
	return;
    }
    /* do change */
    if (ch == '\r' || ch == '\n') {
	/* <return> handled specially */
	cs += zmult - 1;
	backkill(zmult - 1, 0);
	line[cs++] = '\n';
    } else {
	while (zmult--)
	    line[cs++] = ch;
	cs--;
    }
    vichgflag = 0;
}
示例#3
0
void
vifindprevcharskip(void)
{
    if ((vfindchar = vigetkey()) != -1) {
	vfinddir = -1;
	tailadd = 1;
	virepeatfind();
    }
}
示例#4
0
void
vifindnextchar(void)
{
    if ((vfindchar = vigetkey()) != -1) {
	vfinddir = 1;
	tailadd = 0;
	virepeatfind();
    }
}