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freebsd/contrib/tcsh/ed.h

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/* $Header: /src/pub/tcsh/ed.h,v 3.28 1998/11/24 18:17:21 christos Exp $ */
/*
* ed.h: Editor declarations and globals
*/
/*-
* Copyright (c) 1980, 1991 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 _h_ed
#define _h_ed
#ifndef EXTERN
# define EXTERN extern
#endif
#define TABSIZE 8 /* usually 8 spaces/tab */
#define MAXMACROLEVELS 10 /* max number of nested kbd macros */
#ifndef WINNT
# define NT_NUM_KEYS 256
#endif /* WINNT */
extern int errno;
/****************************************************************************/
/* stuff for the different states returned by the character editor routines */
/****************************************************************************/
#define CCRETVAL char /* size needed for the different char editor */
/* return values */
#define KEYCMD unsigned char /* size needed to index into CcFuncTbl */
/* Must be unsigned */
typedef CCRETVAL(*PFCmd) __P((int)); /* pointer to function returning CCRETVAL */
struct KeyFuncs { /* for the "bind" shell command */
char *name; /* function name for bind command */
int func; /* function numeric value */
char *desc; /* description of function */
};
extern PFCmd CcFuncTbl[]; /* table of available commands */
extern KEYCMD CcKeyMap[]; /* keymap table, each index into above tbl */
extern KEYCMD CcAltMap[]; /* Alt keymap table */
extern KEYCMD CcEmacsMap[]; /* keymap table for Emacs default bindings */
extern KEYCMD CcViCmdMap[]; /* for Vi command mode defaults */
extern struct KeyFuncs FuncNames[]; /* string names vs. CcFuncTbl indices */
extern KEYCMD NumFuns; /* number of KEYCMDs in above table */
#define CC_ERROR 100 /* there should NOT be 100 different... */
#define CC_FATAL 101 /* fatal error: inconsistant, must
* reset */
#define CC_NORM 0
#define CC_NEWLINE 1
#define CC_EOF 2
#define CC_COMPLETE 3
#define CC_LIST_CHOICES 4
#define CC_LIST_GLOB 5
#define CC_EXPAND_GLOB 6
#define CC_HELPME 9
#define CC_CORRECT 10
#define CC_WHICH 11
#define CC_ARGHACK 12
#define CC_CORRECT_L 13
#define CC_REFRESH 14
#define CC_EXPAND_VARS 15
#define CC_NORMALIZE_PATH 16
#define CC_LIST_ALL 17
#define CC_COMPLETE_ALL 18
#define CC_COMPLETE_FWD 19
#define CC_COMPLETE_BACK 20
#define CC_NORMALIZE_COMMAND 21
typedef struct {
Char *buf;
int len;
} CStr;
typedef union Xmapval { /* value passed to the Xkey routines */
KEYCMD cmd;
CStr str;
} XmapVal;
#define XK_NOD -1 /* Internal tree node */
#define XK_CMD 0 /* X-key was an editor command */
#define XK_STR 1 /* X-key was a string macro */
#define XK_EXE 2 /* X-key was a unix command */
/****************************/
/* Editor state and buffers */
/****************************/
EXTERN KEYCMD *CurrentKeyMap; /* current command key map */
EXTERN int inputmode; /* insert, replace, replace1 mode */
EXTERN Char GettingInput; /* true if getting an input line (mostly) */
EXTERN Char NeedsRedraw; /* for editor and twenex error messages */
EXTERN Char InputBuf[INBUFSIZE]; /* the real input data */
EXTERN Char *LastChar, *Cursor; /* point to the next open space */
EXTERN Char *InputLim; /* limit of size of InputBuf */
EXTERN Char MetaNext; /* flags for ^V and ^[ functions */
EXTERN Char AltKeyMap; /* Using alternative command map (for vi mode) */
EXTERN Char VImode; /* true if running in vi mode (PWP 6-27-88) */
EXTERN Char *Mark; /* the emacs "mark" (dot is Cursor) */
EXTERN Char DoingArg; /* true if we have an argument */
EXTERN int Argument; /* "universal" argument value */
EXTERN KEYCMD LastCmd; /* previous command executed */
EXTERN Char KillBuf[INBUFSIZE]; /* kill buffer */
EXTERN Char *LastKill; /* points to end of kill buffer */
EXTERN Char UndoBuf[INBUFSIZE];
EXTERN Char *UndoPtr;
EXTERN int UndoSize;
EXTERN int UndoAction;
EXTERN Char HistBuf[INBUFSIZE]; /* history buffer */
EXTERN Char *LastHist; /* points to end of history buffer */
EXTERN int Hist_num; /* what point up the history we are at now. */
EXTERN Char WhichBuf[INBUFSIZE]; /* buffer for which command */
EXTERN Char *LastWhich; /* points to end of which buffer */
EXTERN Char *CursWhich; /* points to the cursor point in which buf */
EXTERN int HistWhich; /* Hist_num is saved in this */
EXTERN char Expand; /* true if we are expanding a line */
extern Char HistLit; /* true if history lines are shown literal */
EXTERN Char CurrentHistLit; /* Literal status of current show history line */
/*
* These are truly extern
*/
extern int MacroLvl;
EXTERN Char *KeyMacro[MAXMACROLEVELS];
EXTERN Char **Display; /* display buffer seed vector */
EXTERN int CursorV, /* real cursor vertical (line) */
CursorH, /* real cursor horisontal (column) */
TermV, /* number of real screen lines
* (sizeof(DisplayBuf) / width */
TermH; /* screen width */
EXTERN Char **Vdisplay; /* new buffer */
/* Variables that describe terminal ability */
EXTERN int T_Lines, T_Cols; /* Rows and Cols of the terminal */
EXTERN Char T_CanIns; /* true if I can insert characters */
EXTERN Char T_CanDel; /* dito for delete characters */
EXTERN Char T_Tabs; /* true if tty interface is passing tabs */
EXTERN Char T_Margin;
#define MARGIN_AUTO 1 /* term has auto margins */
#define MARGIN_MAGIC 2 /* concept glitch */
EXTERN speed_t T_Speed; /* Tty input Baud rate */
EXTERN Char T_CanCEOL; /* true if we can clear to end of line */
EXTERN Char T_CanUP; /* true if this term can do reverse linefeen */
EXTERN Char T_HasMeta; /* true if we have a meta key */
/* note the extra characters in the Strchr() call in this macro */
#define isword(c) (Isalpha(c)||Isdigit(c)||Strchr(word_chars,c))
#define min(x,y) (((x)<(y))?(x):(y))
#define max(x,y) (((x)>(y))?(x):(y))
/*
* Terminal dependend data structures
*/
typedef struct {
#ifdef WINNT
int dummy;
#else /* !WINNT */
# if defined(POSIX) || defined(TERMIO)
# ifdef POSIX
struct termios d_t;
# else
struct termio d_t;
# endif /* POSIX */
# else /* SGTTY */
# ifdef TIOCGETP
struct sgttyb d_t;
# endif /* TIOCGETP */
# ifdef TIOCGETC
struct tchars d_tc;
# endif /* TIOCGETC */
# ifdef TIOCGPAGE
struct ttypagestat d_pc;
# endif /* TIOCGPAGE */
# ifdef TIOCLGET
int d_lb;
# endif /* TIOCLGET */
# endif /* POSIX || TERMIO */
# ifdef TIOCGLTC
struct ltchars d_ltc;
# endif /* TIOCGLTC */
#endif /* WINNT */
} ttydata_t;
#define MODE_INSERT 0
#define MODE_REPLACE 1
#define MODE_REPLACE_1 2
#define EX_IO 0 /* while we are executing */
#define ED_IO 1 /* while we are editing */
#define TS_IO 2 /* new mode from terminal */
#define QU_IO 2 /* used only for quoted chars */
#define NN_IO 3 /* The number of entries */
#if defined(POSIX) || defined(TERMIO)
# define M_INPUT 0
# define M_OUTPUT 1
# define M_CONTROL 2
# define M_LINED 3
# define M_CHAR 4
# define M_NN 5
#else /* GSTTY */
# define M_CONTROL 0
# define M_LOCAL 1
# define M_CHAR 2
# define M_NN 3
#endif /* TERMIO */
typedef struct {
char *t_name;
int t_setmask;
int t_clrmask;
} ttyperm_t[NN_IO][M_NN];
extern ttyperm_t ttylist;
#include "ed.decls.h"
#endif /* _h_ed */
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