2.11BSD/src/bin/tcsh/ed.h
/* $Header: /home/hyperion/mu/christos/src/sys/tcsh-6.00/RCS/ed.h,v 3.0 1991/07/04 21:49:28 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 */
#ifdef pdp11 /* jpn: save space */
#define INBUFSIZ (BUFSIZ / 2) /* size of input buffer */
#else
#define INBUFSIZ BUFSIZ /* size of input buffer */
#endif /* pdp11 */
#define MAXMACROLEVELS 10 /* max number of nested kbd macros */
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) (); /* pointer to function returning CCRETVAL */
struct KeyFuncs { /* for the "bind" shell command */
char *name; /* function name for bind command */
int func; /* function numeric value */
#ifdef LONGFUNCS
char *description; /* description of function */
#endif
};
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 CcViMap[]; /* keymap table for Vi input mode defaults */
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
/*************************/
/* tty state */
/*************************/
#ifndef POSIX
#ifdef TERMIO
EXTERN struct termio nio;
EXTERN struct termio xio;
EXTERN struct termio testio;
#if defined(OREO) || defined(hpux) || defined(_IBMR2)
EXTERN struct ltchars nlc;
EXTERN struct ltchars xlc;
EXTERN struct ltchars testlc;
#endif /* OREO || hpux || _IBMR2 */
#else /* GSTTY */
EXTERN struct sgttyb nb; /* original setup tty bits */
EXTERN struct tchars ntc;
EXTERN struct ltchars nlc;
EXTERN int nlb;
EXTERN struct sgttyb xb; /* running setup tty bits */
EXTERN struct tchars xtc;
EXTERN struct ltchars xlc;
EXTERN int xlb;
EXTERN struct sgttyb testsgb; /* running setup tty bits */
EXTERN int testnlb; /* test local mode word */
EXTERN struct tchars testtc;
EXTERN struct ltchars testlc;
#ifdef TIOCGPAGE
EXTERN struct ttypagestat npc;
EXTERN struct ttypagestat xpc;
EXTERN struct ttypagestat testpc;
#endif /* TIOCGPAGE */
#endif /* TERMIO */
#else /* POSIX */
EXTERN struct termios nio;
EXTERN struct termios xio;
EXTERN struct termios testio;
#if defined(hpux)
EXTERN struct ltchars nlc;
EXTERN struct ltchars xlc;
EXTERN struct ltchars testlc;
#endif /* hpux */
#endif /* POSIX */
/****************************/
/* Editor state and buffers */
/****************************/
EXTERN KEYCMD *Cur_KeyMap; /* current command key map */
EXTERN int replacemode; /* true if in overwrite mode */
EXTERN Char GettingInput; /* true if getting an input line (mostly) */
EXTERN Char NeedsRedraw; /* for editor and twenex error messages */
EXTERN Char InputBuf[INBUFSIZ]; /* 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[INBUFSIZ]; /* kill buffer */
EXTERN Char *LastKill; /* points to end of kill buffer */
EXTERN Char HistBuf[INBUFSIZ]; /* 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[INBUFSIZ]; /* 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 *SearchPrompt; /* points to string that holds search prompt */
EXTERN Char DoingSearch; /* true if we are doing a history search */
EXTERN char Expand; /* true if we are expanding a line */
EXTERN Char HistLit; /* true if history lines are shown literal */
EXTERN Char Cur_HistLit; /* Literal status of current show history line */
/*
* These are truly extern
*/
extern Char PromptBuf[];
extern short SHIN, SHOUT;
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 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 index() 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))
#include "ed.decls.h"
#endif /* _h_ed */