/*	$OpenBSD: v_mark.c,v 1.10 2015/03/29 01:04:23 bcallah Exp $	*/

/*-

 * Copyright (c) 1992, 1993, 1994

 *	The Regents of the University of California.  All rights reserved.

 * Copyright (c) 1992, 1993, 1994, 1995, 1996

 *	Keith Bostic.  All rights reserved.

 *

 * See the LICENSE file for redistribution information.

 */

#include "config.h"

#include <sys/types.h>

#include <sys/queue.h>

#include <sys/time.h>

#include <bitstring.h>

#include <limits.h>

#include <stdlib.h>

#include <stdio.h>

#include "../common/common.h"

#include "vi.h"

/*

 * v_mark -- m[a-z]

 *	Set a mark.

 *

 * PUBLIC: int v_mark(SCR *, VICMD *);

 */

int

v_mark(SCR *sp, VICMD *vp)

{

}

enum which {BQMARK, FQMARK};

static int mark(SCR *, VICMD *, enum which);

/*

 * v_bmark -- `['`a-z]

 *	Move to a mark.

 *

 * Moves to a mark, setting both row and column.

 *

 * !!!

 * Although not commonly known, the "'`" and "'`" forms are historically

 * valid.  The behavior is determined by the first character, so "`'" is

 * the same as "``".  Remember this fact -- you'll be amazed at how many

 * people don't know it and will be delighted that you are able to tell

 * them.

 *

 * PUBLIC: int v_bmark(SCR *, VICMD *);

 */

int

v_bmark(SCR *sp, VICMD *vp)

{

}

/*

 * v_fmark -- '['`a-z]

 *	Move to a mark.

 *

 * Move to the first nonblank character of the line containing the mark.

 *

 * PUBLIC: int v_fmark(SCR *, VICMD *);

 */

int

v_fmark(SCR *sp, VICMD *vp)

{

}

/*

 * mark --

 *	Mark commands.

 */

static int

mark(SCR *sp, VICMD *vp, enum which cmd)

{

	/*

	 * !!!

	 * Historically, BQMARKS for character positions that no longer

	 * existed acted as FQMARKS.

	 *

	 * FQMARKS move to the first non-blank.

	 */

	case BQMARK:

			break;

		/* FALLTHROUGH */

	case FQMARK:

		break;

	default:

	}

	/* Non-motion commands move to the end of the range. */

	}

	/*

	 * !!!

	 * If a motion component to a BQMARK, the cursor has to move.

	 */

	}

	/*

	 * If the motion is in the reverse direction, switch the start and

	 * stop MARK's so that it's in a forward direction.  (There's no

	 * reason for this other than to make the tests below easier.  The

	 * code in vi.c:vi() would have done the switch.)  Both forward

	 * and backward motions can happen for any kind of search command.

	 */

	}

	/*

	 * Yank cursor motion, when associated with marks as motion commands,

	 * historically behaved as follows:

	 *

	 * ` motion			' motion

	 *		Line change?		Line change?

	 *		Y	N		Y	N

	 *	      --------------	      ---------------

	 * FORWARD:  |	NM	NM	      | NM	NM

	 *	     |			      |

	 * BACKWARD: |	M	M	      | M	NM(1)

	 *

	 * where NM means the cursor didn't move, and M means the cursor

	 * moved to the mark.

	 *

	 * As the cursor was usually moved for yank commands associated

	 * with backward motions, this implementation regularizes it by

	 * changing the NM at position (1) to be an M.  This makes mark

	 * motions match search motions, which is probably A Good Thing.

	 *

	 * Delete cursor motion was always to the start of the text region,

	 * regardless.  Ignore other motion commands.

	 */

	/*

	 * Forward marks are always line oriented, and it's set in the

	 * vcmd.c table.

	 */

	/*

	 * BQMARK'S moving backward and starting at column 0, and ones moving

	 * forward and ending at column 0 are corrected to the last column of

	 * the previous line.  Otherwise, adjust the starting/ending point to

	 * the character before the current one (this is safe because we know

	 * the search had to move to succeed).

	 *

	 * Mark motions become line mode opertions if they start at the first

	 * nonblank and end at column 0 of another line.

	 */

	} else

}