4.4BSD/usr/src/contrib/nvi/nvi/ex/excmd.h.stub
/*-
* 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);