/*- * 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. * * @(#)excmd.h.stub 8.1 (Berkeley) 6/9/93 */ struct _excmdarg; /* Ex command structure. */ typedef struct _excmdlist { char *name; /* Command name. */ /* Underlying function. */ int (*fn) __P((SCR *, EXF *, struct _excmdarg *)); #define E_ADDR1 0x00001 /* One address. */ #define E_ADDR2 0x00002 /* Two address. */ #define E_ADDR2_ALL 0x00004 /* Zero/two addresses; zero == all. */ #define E_ADDR2_NONE 0x00008 /* Zero/two addresses; zero == none. */ #define E_FORCE 0x00010 /* ! */ #define E_F_CARAT 0x00020 /* ^ flag. */ #define E_F_DASH 0x00040 /* - flag. */ #define E_F_DOT 0x00080 /* . flag. */ #define E_F_HASH 0x00100 /* # flag. */ #define E_F_LIST 0x00200 /* l flag. */ #define E_F_PLUS 0x00400 /* + flag. */ #define E_F_PRINT 0x00800 /* p flag. */ #define E_F_MASK 0x00fe0 /* Flag mask. */ #define E_F_PRCLEAR 0x01000 /* Clear the print (#, l, p) flags. */ #define E_NOGLOBAL 0x02000 /* Not in a global. */ #define E_NOPERM 0x04000 /* Permission denied for now. */ #define E_NORC 0x08000 /* Not from a .exrc or EXINIT. */ #define E_SETLAST 0x10000 /* Reset last command. */ #define E_ZERO 0x20000 /* 0 is a legal addr1. */ #define E_ZERODEF 0x40000 /* 0 is default addr1 of empty files. */ u_int flags; char *syntax; /* Syntax script. */ char *usage; /* Usage line. */ } EXCMDLIST; extern EXCMDLIST cmds[]; /* List of ex commands. */ /* Structure passed around to functions implementing ex commands. */ typedef struct _excmdarg { EXCMDLIST *cmd; /* Command entry in command table. */ int addrcnt; /* Number of addresses (0, 1 or 2). */ MARK addr1; /* 1st address. */ MARK addr2; /* 2nd address. */ recno_t lineno; /* Line number. */ u_int flags; /* Selected flags from EXCMDLIST. */ int argc; /* Count of file/word arguments. */ char **argv; /* List of file/word arguments. */ char *command; /* Command line, if parse locally. */ char *plus; /* '+' command word. */ char *string; /* String. */ int buffer; /* Named buffer. */ } EXCMDARG; extern char *defcmdarg[2]; /* Default array. */ /* Macro to set up the structure. */ #define SETCMDARG(s, _cmd, _addrcnt, _lno1, _lno2, _force, _arg) { \ memset(&s, 0, sizeof(EXCMDARG)); \ s.cmd = &cmds[_cmd]; \ s.addrcnt = (_addrcnt); \ s.addr1.lno = (_lno1); \ s.addr2.lno = (_lno2); \ s.addr1.cno = s.addr2.cno = 1; \ if (_force) \ s.flags |= E_FORCE; \ s.argc = _arg ? 1 : 0; \ s.argv = defcmdarg; \ s.string = ""; \ defcmdarg[0] = _arg; \ } /* Control character. */ #define ctrl(ch) ((ch) & 0x1f) #define AUTOWRITE(sp, ep) { \ if (F_ISSET((ep), F_MODIFIED) && O_ISSET((sp), O_AUTOWRITE) && \ file_write((sp), (ep), NULL, NULL, NULL, FS_ALL)) \ return (1); \ } #define MODIFY_CHECK(sp, ep, force) { \ if (F_ISSET((ep), F_MODIFIED)) \ if (O_ISSET((sp), O_AUTOWRITE)) { \ if (file_write((sp), (ep), NULL, NULL, NULL, \ FS_ALL | force?FS_FORCE:0 | FS_POSSIBLE)) \ return (1); \ } else if (ep->refcnt <= 1 && !(force)) { \ msgq(sp, M_ERR, \ "Modified since last write; write or use ! to override."); \ return (1); \ } \ } #define MODIFY_WARN(sp, ep) { \ if (F_ISSET(ep, F_MODIFIED) && O_ISSET(sp, O_WARN)) \ (void)fprintf(sp->stdfp, \ "Modified since last write.\n"); \ } /* Ex function prototypes. */ int buildargv __P((SCR *, EXF *, char *, int, int *, char ***)); int esystem __P((SCR *, const u_char *, const u_char *)); int ex_run_process __P((SCR *, char *, size_t *, char *, size_t)); void set_altfname __P((SCR *, char *)); int ex __P((SCR *, EXF *)); int ex_cfile __P((SCR *, EXF *, char *, int)); int ex_cmd __P((SCR *, EXF *, char *)); int ex_cstring __P((SCR *, EXF *, char *, int)); int ex_end __P((SCR *)); int ex_gb __P((SCR *, EXF *, HDR *, int, u_int)); int ex_getline __P((SCR *, FILE *, size_t *)); int ex_init __P((SCR *, EXF *)); int ex_print __P((SCR *, EXF *, MARK *, MARK *, int)); int ex_readfp __P((SCR *, EXF *, char *, FILE *, MARK *, recno_t *)); int ex_suspend __P((SCR *)); int ex_writefp __P((SCR *, EXF *, char *, FILE *, MARK *, MARK *, int)); void ex_refresh __P((SCR *, EXF *)); #define EXPROTO(type, name) \ type name __P((SCR *, EXF *, EXCMDARG *)); EXPROTO(int, ex_abbr); EXPROTO(int, ex_append); EXPROTO(int, ex_args); EXPROTO(int, ex_at); EXPROTO(int, ex_bang); EXPROTO(int, ex_bdisplay); EXPROTO(int, ex_cc); EXPROTO(int, ex_cd); EXPROTO(int, ex_change); EXPROTO(int, ex_color); EXPROTO(int, ex_copy); EXPROTO(int, ex_debug); EXPROTO(int, ex_delete); EXPROTO(int, ex_digraph); EXPROTO(int, ex_edit); EXPROTO(int, ex_equal); EXPROTO(int, ex_errlist); EXPROTO(int, ex_file); EXPROTO(int, ex_global); EXPROTO(int, ex_join); EXPROTO(int, ex_list); EXPROTO(int, ex_make); EXPROTO(int, ex_map); EXPROTO(int, ex_mark); EXPROTO(int, ex_mkexrc); EXPROTO(int, ex_move); EXPROTO(int, ex_next); EXPROTO(int, ex_number); EXPROTO(int, ex_pr); EXPROTO(int, ex_preserve); EXPROTO(int, ex_prev); EXPROTO(int, ex_put); EXPROTO(int, ex_quit); EXPROTO(int, ex_read); EXPROTO(int, ex_rew); EXPROTO(int, ex_set); EXPROTO(int, ex_shell); EXPROTO(int, ex_shiftl); EXPROTO(int, ex_shiftr); EXPROTO(int, ex_source); EXPROTO(int, ex_split); EXPROTO(int, ex_stop); EXPROTO(int, ex_subagain); EXPROTO(int, ex_substitute); EXPROTO(int, ex_tagpop); EXPROTO(int, ex_tagpush); EXPROTO(int, ex_tagtop); EXPROTO(int, ex_unabbr); EXPROTO(int, ex_undo); EXPROTO(int, ex_undol); EXPROTO(int, ex_unmap); EXPROTO(int, ex_usage); EXPROTO(int, ex_validate); EXPROTO(int, ex_version); EXPROTO(int, ex_vglobal); EXPROTO(int, ex_visual); EXPROTO(int, ex_viusage); EXPROTO(int, ex_wq); EXPROTO(int, ex_write); EXPROTO(int, ex_xit); EXPROTO(int, ex_yank);