119304Speter/*- 219304Speter * Copyright (c) 1992, 1993, 1994 319304Speter * The Regents of the University of California. All rights reserved. 419304Speter * Copyright (c) 1992, 1993, 1994, 1995, 1996 519304Speter * Keith Bostic. All rights reserved. 619304Speter * 719304Speter * See the LICENSE file for redistribution information. 819304Speter */ 919304Speter 1019304Speter#include "config.h" 1119304Speter 1219304Speter#ifndef lint 13254225Speterstatic const char sccsid[] = "$Id: v_yank.c,v 10.10 2001/06/25 15:19:36 skimo Exp $"; 1419304Speter#endif /* not lint */ 1519304Speter 1619304Speter#include <sys/types.h> 1719304Speter#include <sys/queue.h> 1819304Speter#include <sys/time.h> 1919304Speter 2019304Speter#include <bitstring.h> 2119304Speter#include <limits.h> 2219304Speter#include <stdio.h> 2319304Speter 2419304Speter#include "../common/common.h" 2519304Speter#include "vi.h" 2619304Speter 2719304Speter/* 2819304Speter * v_yank -- [buffer][count]y[count][motion] 2919304Speter * [buffer][count]Y 3019304Speter * Yank text (or lines of text) into a cut buffer. 3119304Speter * 3219304Speter * !!! 3319304Speter * Historic vi moved the cursor to the from MARK if it was before the current 3419304Speter * cursor and on a different line, e.g., "yk" moves the cursor but "yj" and 3519304Speter * "yl" do not. Unfortunately, it's too late to change this now. Matching 3619304Speter * the historic semantics isn't easy. The line number was always changed and 3719304Speter * column movement was usually relative. However, "y'a" moved the cursor to 3819304Speter * the first non-blank of the line marked by a, while "y`a" moved the cursor 3919304Speter * to the line and column marked by a. Hopefully, the motion component code 4019304Speter * got it right... Unlike delete, we make no adjustments here. 4119304Speter * 4219304Speter * PUBLIC: int v_yank __P((SCR *, VICMD *)); 4319304Speter */ 4419304Speterint 45254225Speterv_yank(SCR *sp, VICMD *vp) 4619304Speter{ 4719304Speter size_t len; 4819304Speter 4919304Speter if (cut(sp, 5019304Speter F_ISSET(vp, VC_BUFFER) ? &vp->buffer : NULL, &vp->m_start, 5119304Speter &vp->m_stop, F_ISSET(vp, VM_LMODE) ? CUT_LINEMODE : 0)) 5219304Speter return (1); 5319304Speter sp->rptlines[L_YANKED] += (vp->m_stop.lno - vp->m_start.lno) + 1; 5419304Speter 5519304Speter /* 5619304Speter * One special correction, in case we've deleted the current line or 5719304Speter * character. We check it here instead of checking in every command 5819304Speter * that can be a motion component. 5919304Speter */ 6019304Speter if (db_get(sp, vp->m_final.lno, DBG_FATAL, NULL, &len)) 6119304Speter return (1); 6219304Speter 6319304Speter /* 6419304Speter * !!! 6519304Speter * Cursor movements, other than those caused by a line mode command 6619304Speter * moving to another line, historically reset the relative position. 6719304Speter * 6819304Speter * This currently matches the check made in v_delete(), I'm hoping 6919304Speter * that they should be consistent... 7019304Speter */ 7119304Speter if (!F_ISSET(vp, VM_LMODE)) { 7219304Speter F_CLR(vp, VM_RCM_MASK); 7319304Speter F_SET(vp, VM_RCM_SET); 7419304Speter 7519304Speter /* Make sure the set cursor position exists. */ 7619304Speter if (vp->m_final.cno >= len) 7719304Speter vp->m_final.cno = len ? len - 1 : 0; 7819304Speter } 7919304Speter return (0); 8019304Speter} 81