/*- * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint static char sccsid[] = "@(#)ex_print.c 8.1 (Berkeley) 6/9/93"; #endif /* not lint */ #include <sys/types.h> #include <ctype.h> #include <string.h> #include "vi.h" #include "excmd.h" /* * ex_list -- :[line [,line]] l[ist] [count] [flags] * Display the addressed lines such that the output is unambiguous. * The only valid flag is '#'. */ int ex_list(sp, ep, cmdp) SCR *sp; EXF *ep; EXCMDARG *cmdp; { int flags; flags = F_ISSET(cmdp, E_F_MASK); if (LF_ISSET(~E_F_HASH)) { msgq(sp, M_ERR, "Usage: %s.", cmdp->cmd->usage); return (1); } if (ex_print(sp, ep, &cmdp->addr1, &cmdp->addr2, LF_ISSET(E_F_LIST))) return (1); sp->lno = cmdp->addr2.lno; sp->cno = cmdp->addr2.cno; return (0); } /* * ex_number -- :[line [,line]] nu[mber] [count] [flags] * Display the addressed lines with a leading line number. * The only valid flag is 'l'. */ int ex_number(sp, ep, cmdp) SCR *sp; EXF *ep; EXCMDARG *cmdp; { int flags; flags = F_ISSET(cmdp, E_F_MASK); if (LF_ISSET(~E_F_LIST)) { msgq(sp, M_ERR, "Usage: %s.", cmdp->cmd->usage); return (1); } if (ex_print(sp, ep, &cmdp->addr1, &cmdp->addr2, LF_ISSET(E_F_HASH))) return (1); sp->lno = cmdp->addr2.lno; sp->cno = cmdp->addr2.cno; return (0); } /* * ex_pr -- :[line [,line]] p[rint] [count] [flags] * Display the addressed lines. * The only valid flags are '#' and 'l'. */ int ex_pr(sp, ep, cmdp) SCR *sp; EXF *ep; EXCMDARG *cmdp; { int flags; flags = F_ISSET(cmdp, E_F_MASK); if (LF_ISSET(~(E_F_HASH | E_F_LIST))) { msgq(sp, M_ERR, "Usage: %s.", cmdp->cmd->usage); return (1); } if (ex_print(sp, ep, &cmdp->addr1, &cmdp->addr2, LF_ISSET(E_F_PRINT))) return (1); sp->lno = cmdp->addr2.lno; sp->cno = cmdp->addr2.cno; return (0); } /* * ex_print -- * Print the selected lines. */ int ex_print(sp, ep, fp, tp, flags) SCR *sp; EXF *ep; MARK *fp, *tp; register int flags; { register int ch, col, rlen; recno_t from, to; size_t len; int cnt; char *p, buf[10]; for (from = fp->lno, to = tp->lno; from <= to; ++from) { /* Display the line number. */ if (LF_ISSET(E_F_HASH)) col = fprintf(sp->stdfp, "%7ld ", from); else col = 0; /* * Display the line. The format for E_F_PRINT isn't very good, * especially in handling end-of-line tabs, but they're almost * backward compatible. */ if ((p = file_gline(sp, ep, from, &len)) == NULL) { GETLINE_ERR(sp, from); return (1); } #define WCHECK(ch) { \ if (col == sp->cols) { \ (void)putc('\n', sp->stdfp); \ col = 0; \ } \ (void)putc(ch, sp->stdfp); \ ++col; \ } for (rlen = len; rlen--;) { ch = *p++; if (LF_ISSET(E_F_LIST)) if (ch != '\t' && isprint(ch)) { WCHECK(ch); } else if (ch & 0x80) { (void)snprintf(buf, sizeof(buf), "\\%03o", ch); len = strlen(buf); for (cnt = 0; cnt < len; ++cnt) WCHECK(buf[cnt]); } else { WCHECK('^'); WCHECK(ch + 0x40); } else { ch &= 0x7f; if (ch == '\t') { while (col < sp->cols && ++col % O_VAL(sp, O_TABSTOP)) (void)putc(' ', sp->stdfp); if (col == sp->cols) { col = 0; (void)putc('\n', sp->stdfp); } } else if (isprint(ch)) { WCHECK(ch); } else if (ch == '\n') { col = 0; (void)putc('\n', sp->stdfp); } else { WCHECK('^'); WCHECK(ch + 0x40); } } } if (LF_ISSET(E_F_LIST)) { WCHECK('$'); } else if (len == 0) { /* * If the line is empty, output a space * to overwrite the colon prompt. */ WCHECK(' '); } (void)putc('\n', sp->stdfp); } return (0); }