/* $NetBSD: v_right.c,v 1.1.1.2 2008/05/18 14:31:43 aymeric 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" #ifndef lint static const char sccsid[] = "Id: v_right.c,v 10.8 2001/06/25 15:19:34 skimo Exp (Berkeley) Date: 2001/06/25 15:19:34"; #endif /* not lint */ #include #include #include #include #include #include #include "../common/common.h" #include "vi.h" /* * v_right -- [count]' ', [count]l * Move right by columns. * * PUBLIC: int v_right __P((SCR *, VICMD *)); */ int v_right(SCR *sp, VICMD *vp) { size_t len; int isempty; if (db_eget(sp, vp->m_start.lno, NULL, &len, &isempty)) { if (isempty) goto eol; return (1); } /* It's always illegal to move right on empty lines. */ if (len == 0) { eol: v_eol(sp, NULL); return (1); } /* * Non-motion commands move to the end of the range. Delete and * yank stay at the start. Ignore others. Adjust the end of the * range for motion commands. * * !!! * Historically, "[cdsy]l" worked at the end of a line. Also, * EOL is a count sink. */ vp->m_stop.cno = vp->m_start.cno + (F_ISSET(vp, VC_C1SET) ? vp->count : 1); if (vp->m_start.cno == len - 1 && !ISMOTION(vp)) { v_eol(sp, NULL); return (1); } if (vp->m_stop.cno >= len) { vp->m_stop.cno = len - 1; vp->m_final = ISMOTION(vp) ? vp->m_start : vp->m_stop; } else if (ISMOTION(vp)) { --vp->m_stop.cno; vp->m_final = vp->m_start; } else vp->m_final = vp->m_stop; return (0); } /* * v_dollar -- [count]$ * Move to the last column. * * PUBLIC: int v_dollar __P((SCR *, VICMD *)); */ int v_dollar(SCR *sp, VICMD *vp) { size_t len; int isempty; /* * !!! * A count moves down count - 1 rows, so, "3$" is the same as "2j$". */ if ((F_ISSET(vp, VC_C1SET) ? vp->count : 1) != 1) { /* * !!! * Historically, if the $ is a motion, and deleting from * at or before the first non-blank of the line, it's a * line motion, and the line motion flag is set. */ vp->m_stop.cno = 0; if (nonblank(sp, vp->m_start.lno, &vp->m_stop.cno)) return (1); if (ISMOTION(vp) && vp->m_start.cno <= vp->m_stop.cno) F_SET(vp, VM_LMODE); --vp->count; if (v_down(sp, vp)) return (1); } /* * !!! * Historically, it was illegal to use $ as a motion command on * an empty line. Unfortunately, even though C was historically * aliased to c$, it (and not c$) was special cased to work on * empty lines. Since we alias C to c$ too, we have a problem. * To fix it, we let c$ go through, on the assumption that it's * not a problem for it to work. */ if (db_eget(sp, vp->m_stop.lno, NULL, &len, &isempty)) { if (!isempty) return (1); len = 0; } if (len == 0) { if (ISMOTION(vp) && !ISCMD(vp->rkp, 'c')) { v_eol(sp, NULL); return (1); } return (0); } /* * Non-motion commands move to the end of the range. Delete * and yank stay at the start. Ignore others. */ vp->m_stop.cno = len ? len - 1 : 0; vp->m_final = ISMOTION(vp) ? vp->m_start : vp->m_stop; return (0); }