ed.h revision 69408
156160Sru/* $Header: /src/pub/tcsh/ed.h,v 3.30 2000/11/11 23:03:34 christos Exp $ */ 2114472Sru/* 321495Sjmacd * ed.h: Editor declarations and globals 4114472Sru */ 5114472Sru/*- 621495Sjmacd * Copyright (c) 1980, 1991 The Regents of the University of California. 721495Sjmacd * All rights reserved. 821495Sjmacd * 921495Sjmacd * Redistribution and use in source and binary forms, with or without 1021495Sjmacd * modification, are permitted provided that the following conditions 1121495Sjmacd * are met: 1221495Sjmacd * 1. Redistributions of source code must retain the above copyright 1321495Sjmacd * notice, this list of conditions and the following disclaimer. 1421495Sjmacd * 2. Redistributions in binary form must reproduce the above copyright 1521495Sjmacd * notice, this list of conditions and the following disclaimer in the 1621495Sjmacd * documentation and/or other materials provided with the distribution. 1721495Sjmacd * 3. All advertising materials mentioning features or use of this software 1821495Sjmacd * must display the following acknowledgement: 1921495Sjmacd * This product includes software developed by the University of 2021495Sjmacd * California, Berkeley and its contributors. 2121495Sjmacd * 4. Neither the name of the University nor the names of its contributors 2221495Sjmacd * may be used to endorse or promote products derived from this software 2342660Smarkm * without specific prior written permission. 2442660Smarkm * 2521495Sjmacd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2621495Sjmacd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2721495Sjmacd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2821495Sjmacd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2921495Sjmacd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 3056160Sru * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 3121495Sjmacd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3221495Sjmacd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3342660Smarkm * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3442660Smarkm * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3521495Sjmacd * SUCH DAMAGE. 3621495Sjmacd */ 3721495Sjmacd#ifndef _h_ed 3821495Sjmacd#define _h_ed 3921495Sjmacd 4021495Sjmacd#ifndef EXTERN 4121495Sjmacd# define EXTERN extern 4242660Smarkm#endif 4356160Sru 4456160Sru#define TABSIZE 8 /* usually 8 spaces/tab */ 4556160Sru#define MAXMACROLEVELS 10 /* max number of nested kbd macros */ 4656160Sru 4756160Sru#ifndef WINNT_NATIVE 4856160Sru# define NT_NUM_KEYS 256 4956160Sru#endif /* WINNT_NATIVE */ 5056160Sru 5121495Sjmacd/****************************************************************************/ 5221495Sjmacd/* stuff for the different states returned by the character editor routines */ 5321495Sjmacd/****************************************************************************/ 5456160Sru 5556160Sru#define CCRETVAL char /* size needed for the different char editor */ 5656160Sru /* return values */ 5721495Sjmacd 5821495Sjmacd#define KEYCMD unsigned char /* size needed to index into CcFuncTbl */ 5956160Sru /* Must be unsigned */ 6056160Sru 6156160Srutypedef CCRETVAL(*PFCmd) __P((int)); /* pointer to function returning CCRETVAL */ 6256160Sru 6321495Sjmacdstruct KeyFuncs { /* for the "bind" shell command */ 6421495Sjmacd char *name; /* function name for bind command */ 6521495Sjmacd int func; /* function numeric value */ 6621495Sjmacd char *desc; /* description of function */ 6721495Sjmacd}; 6821495Sjmacd 6921495Sjmacdextern PFCmd CcFuncTbl[]; /* table of available commands */ 7021495Sjmacdextern KEYCMD CcKeyMap[]; /* keymap table, each index into above tbl */ 7121495Sjmacdextern KEYCMD CcAltMap[]; /* Alt keymap table */ 7221495Sjmacdextern KEYCMD CcEmacsMap[]; /* keymap table for Emacs default bindings */ 7321495Sjmacdextern KEYCMD CcViCmdMap[]; /* for Vi command mode defaults */ 7421495Sjmacdextern struct KeyFuncs FuncNames[]; /* string names vs. CcFuncTbl indices */ 7521495Sjmacd 7621495Sjmacdextern KEYCMD NumFuns; /* number of KEYCMDs in above table */ 7721495Sjmacd 7821495Sjmacd#define CC_ERROR 100 /* there should NOT be 100 different... */ 7921495Sjmacd#define CC_FATAL 101 /* fatal error: inconsistant, must 8021495Sjmacd * reset */ 8121495Sjmacd#define CC_NORM 0 8221495Sjmacd#define CC_NEWLINE 1 8321495Sjmacd#define CC_EOF 2 8421495Sjmacd#define CC_COMPLETE 3 8521495Sjmacd#define CC_LIST_CHOICES 4 8621495Sjmacd#define CC_LIST_GLOB 5 8721495Sjmacd#define CC_EXPAND_GLOB 6 8821495Sjmacd#define CC_HELPME 9 8921495Sjmacd#define CC_CORRECT 10 9021495Sjmacd#define CC_WHICH 11 9121495Sjmacd#define CC_ARGHACK 12 9221495Sjmacd#define CC_CORRECT_L 13 9321495Sjmacd#define CC_REFRESH 14 9421495Sjmacd#define CC_EXPAND_VARS 15 9521495Sjmacd#define CC_NORMALIZE_PATH 16 9621495Sjmacd#define CC_LIST_ALL 17 9742660Smarkm#define CC_COMPLETE_ALL 18 9821495Sjmacd#define CC_COMPLETE_FWD 19 9921495Sjmacd#define CC_COMPLETE_BACK 20 10042660Smarkm#define CC_NORMALIZE_COMMAND 21 10142660Smarkm 10256160Srutypedef struct { 10356160Sru Char *buf; 10421495Sjmacd int len; 10542660Smarkm} CStr; 10642660Smarkm 10756160Srutypedef union Xmapval { /* value passed to the Xkey routines */ 10842660Smarkm KEYCMD cmd; 10956160Sru CStr str; 11042660Smarkm} XmapVal; 11142660Smarkm 11242660Smarkm#define XK_NOD -1 /* Internal tree node */ 11342660Smarkm#define XK_CMD 0 /* X-key was an editor command */ 11442660Smarkm#define XK_STR 1 /* X-key was a string macro */ 11521495Sjmacd#define XK_EXE 2 /* X-key was a unix command */ 11656160Sru 11756160Sru/****************************/ 11842660Smarkm/* Editor state and buffers */ 11942660Smarkm/****************************/ 12042660Smarkm 12142660SmarkmEXTERN KEYCMD *CurrentKeyMap; /* current command key map */ 12221495SjmacdEXTERN int inputmode; /* insert, replace, replace1 mode */ 12342660SmarkmEXTERN Char GettingInput; /* true if getting an input line (mostly) */ 12421495SjmacdEXTERN Char NeedsRedraw; /* for editor and twenex error messages */ 12542660SmarkmEXTERN Char InputBuf[INBUFSIZE]; /* the real input data */ 12621495SjmacdEXTERN Char *LastChar, *Cursor; /* point to the next open space */ 12742660SmarkmEXTERN Char *InputLim; /* limit of size of InputBuf */ 12842660SmarkmEXTERN Char MetaNext; /* flags for ^V and ^[ functions */ 12942660SmarkmEXTERN Char AltKeyMap; /* Using alternative command map (for vi mode) */ 13042660SmarkmEXTERN Char VImode; /* true if running in vi mode (PWP 6-27-88) */ 13121495SjmacdEXTERN Char *Mark; /* the emacs "mark" (dot is Cursor) */ 13242660SmarkmEXTERN Char DoingArg; /* true if we have an argument */ 13342660SmarkmEXTERN int Argument; /* "universal" argument value */ 13456160SruEXTERN KEYCMD LastCmd; /* previous command executed */ 13556160SruEXTERN Char KillBuf[INBUFSIZE]; /* kill buffer */ 13656160SruEXTERN Char *LastKill; /* points to end of kill buffer */ 13742660Smarkm 13821495SjmacdEXTERN Char UndoBuf[INBUFSIZE]; 13942660SmarkmEXTERN Char *UndoPtr; 14021495SjmacdEXTERN int UndoSize; 14121495SjmacdEXTERN int UndoAction; 14242660Smarkm 14342660SmarkmEXTERN Char HistBuf[INBUFSIZE]; /* history buffer */ 14442660SmarkmEXTERN Char *LastHist; /* points to end of history buffer */ 14542660SmarkmEXTERN int Hist_num; /* what point up the history we are at now. */ 14642660SmarkmEXTERN Char WhichBuf[INBUFSIZE]; /* buffer for which command */ 14742660SmarkmEXTERN Char *LastWhich; /* points to end of which buffer */ 14842660SmarkmEXTERN Char *CursWhich; /* points to the cursor point in which buf */ 14942660SmarkmEXTERN int HistWhich; /* Hist_num is saved in this */ 15042660SmarkmEXTERN char Expand; /* true if we are expanding a line */ 15142660Smarkmextern Char HistLit; /* true if history lines are shown literal */ 15221495SjmacdEXTERN Char CurrentHistLit; /* Literal status of current show history line */ 15321495Sjmacd 15421495Sjmacd/* 15521495Sjmacd * These are truly extern 15621495Sjmacd */ 15721495Sjmacdextern int MacroLvl; 15821495Sjmacd 15921495SjmacdEXTERN Char *KeyMacro[MAXMACROLEVELS]; 16021495Sjmacd 16121495SjmacdEXTERN Char **Display; /* display buffer seed vector */ 16221495SjmacdEXTERN int CursorV, /* real cursor vertical (line) */ 16321495Sjmacd CursorH, /* real cursor horisontal (column) */ 16421495Sjmacd TermV, /* number of real screen lines 16521495Sjmacd * (sizeof(DisplayBuf) / width */ 16621495Sjmacd TermH; /* screen width */ 16793139SruEXTERN Char **Vdisplay; /* new buffer */ 16893139Sru 16993139Sru/* Variables that describe terminal ability */ 17093139SruEXTERN int T_Lines, T_Cols; /* Rows and Cols of the terminal */ 17193139SruEXTERN Char T_CanIns; /* true if I can insert characters */ 17221495SjmacdEXTERN Char T_CanDel; /* dito for delete characters */ 17321495SjmacdEXTERN Char T_Tabs; /* true if tty interface is passing tabs */ 17442660SmarkmEXTERN Char T_Margin; 17521495Sjmacd#define MARGIN_AUTO 1 /* term has auto margins */ 17621495Sjmacd#define MARGIN_MAGIC 2 /* concept glitch */ 17721495SjmacdEXTERN speed_t T_Speed; /* Tty input Baud rate */ 17821495SjmacdEXTERN Char T_CanCEOL; /* true if we can clear to end of line */ 17921495SjmacdEXTERN Char T_CanUP; /* true if this term can do reverse linefeen */ 18021495SjmacdEXTERN Char T_HasMeta; /* true if we have a meta key */ 18142660Smarkm 18242660Smarkm/* note the extra characters in the Strchr() call in this macro */ 18321495Sjmacd#define isword(c) (Isalpha(c)||Isdigit(c)||Strchr(word_chars,c)) 18442660Smarkm#define min(x,y) (((x)<(y))?(x):(y)) 18542660Smarkm#define max(x,y) (((x)>(y))?(x):(y)) 18642660Smarkm 18742660Smarkm/* 18821495Sjmacd * Terminal dependend data structures 18921495Sjmacd */ 19021495Sjmacdtypedef struct { 19156160Sru#ifdef WINNT_NATIVE 19242660Smarkm int dummy; 19321495Sjmacd#else /* !WINNT_NATIVE */ 19421495Sjmacd# if defined(POSIX) || defined(TERMIO) 19521495Sjmacd# ifdef POSIX 19621495Sjmacd struct termios d_t; 19721495Sjmacd# else 19821495Sjmacd struct termio d_t; 19921495Sjmacd# endif /* POSIX */ 20042660Smarkm# else /* SGTTY */ 20142660Smarkm# ifdef TIOCGETP 20221495Sjmacd struct sgttyb d_t; 20342660Smarkm# endif /* TIOCGETP */ 20421495Sjmacd# ifdef TIOCGETC 20542660Smarkm struct tchars d_tc; 20642660Smarkm# endif /* TIOCGETC */ 20742660Smarkm# ifdef TIOCGPAGE 20842660Smarkm struct ttypagestat d_pc; 20942660Smarkm# endif /* TIOCGPAGE */ 21042660Smarkm# ifdef TIOCLGET 21142660Smarkm int d_lb; 21242660Smarkm# endif /* TIOCLGET */ 21342660Smarkm# endif /* POSIX || TERMIO */ 21442660Smarkm# ifdef TIOCGLTC 21542660Smarkm struct ltchars d_ltc; 21621495Sjmacd# endif /* TIOCGLTC */ 21742660Smarkm#endif /* WINNT_NATIVE */ 21842660Smarkm} ttydata_t; 21942660Smarkm 22021495Sjmacd#define MODE_INSERT 0 22142660Smarkm#define MODE_REPLACE 1 22242660Smarkm#define MODE_REPLACE_1 2 22342660Smarkm 22442660Smarkm#define EX_IO 0 /* while we are executing */ 22542660Smarkm#define ED_IO 1 /* while we are editing */ 22642660Smarkm#define TS_IO 2 /* new mode from terminal */ 22742660Smarkm#define QU_IO 2 /* used only for quoted chars */ 22842660Smarkm#define NN_IO 3 /* The number of entries */ 22942660Smarkm 23042660Smarkm#if defined(POSIX) || defined(TERMIO) 23142660Smarkm# define M_INPUT 0 23242660Smarkm# define M_OUTPUT 1 23342660Smarkm# define M_CONTROL 2 23421495Sjmacd# define M_LINED 3 23542660Smarkm# define M_CHAR 4 23621495Sjmacd# define M_NN 5 23742660Smarkm#else /* GSTTY */ 23842660Smarkm# define M_CONTROL 0 23942660Smarkm# define M_LOCAL 1 24042660Smarkm# define M_CHAR 2 24121495Sjmacd# define M_NN 3 24242660Smarkm#endif /* TERMIO */ 24342660Smarkmtypedef struct { 24442660Smarkm char *t_name; 24542660Smarkm int t_setmask; 24642660Smarkm int t_clrmask; 24742660Smarkm} ttyperm_t[NN_IO][M_NN]; 24821495Sjmacd 24921495Sjmacdextern ttyperm_t ttylist; 25021495Sjmacd#include "ed.decls.h" 25121495Sjmacd 25221495Sjmacd#endif /* _h_ed */ 25356160Sru