ed.h revision 83098
1122147Sdavidxu/* $Header: /src/pub/tcsh/ed.h,v 3.31 2001/02/19 23:30:44 kim Exp $ */ 2122147Sdavidxu/* 3122147Sdavidxu * ed.h: Editor declarations and globals 4122147Sdavidxu */ 5122147Sdavidxu/*- 6122147Sdavidxu * Copyright (c) 1980, 1991 The Regents of the University of California. 7122147Sdavidxu * All rights reserved. 8122147Sdavidxu * 9122147Sdavidxu * Redistribution and use in source and binary forms, with or without 10122147Sdavidxu * modification, are permitted provided that the following conditions 11122147Sdavidxu * are met: 12122147Sdavidxu * 1. Redistributions of source code must retain the above copyright 13122147Sdavidxu * notice, this list of conditions and the following disclaimer. 14122147Sdavidxu * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 */ 37#ifndef _h_ed 38#define _h_ed 39 40#ifndef EXTERN 41# define EXTERN extern 42#endif 43 44#define TABSIZE 8 /* usually 8 spaces/tab */ 45#define MAXMACROLEVELS 10 /* max number of nested kbd macros */ 46 47#ifndef WINNT_NATIVE 48# define NT_NUM_KEYS 256 49#endif /* WINNT_NATIVE */ 50 51/****************************************************************************/ 52/* stuff for the different states returned by the character editor routines */ 53/****************************************************************************/ 54 55#define CCRETVAL char /* size needed for the different char editor */ 56 /* return values */ 57 58#define KEYCMD unsigned char /* size needed to index into CcFuncTbl */ 59 /* Must be unsigned */ 60 61typedef CCRETVAL(*PFCmd) __P((int)); /* pointer to function returning CCRETVAL */ 62 63struct KeyFuncs { /* for the "bind" shell command */ 64 char *name; /* function name for bind command */ 65 int func; /* function numeric value */ 66 char *desc; /* description of function */ 67}; 68 69extern PFCmd CcFuncTbl[]; /* table of available commands */ 70extern KEYCMD CcKeyMap[]; /* keymap table, each index into above tbl */ 71extern KEYCMD CcAltMap[]; /* Alt keymap table */ 72extern KEYCMD CcEmacsMap[]; /* keymap table for Emacs default bindings */ 73extern KEYCMD CcViCmdMap[]; /* for Vi command mode defaults */ 74extern struct KeyFuncs FuncNames[]; /* string names vs. CcFuncTbl indices */ 75 76extern KEYCMD NumFuns; /* number of KEYCMDs in above table */ 77 78#define CC_ERROR 100 /* there should NOT be 100 different... */ 79#define CC_FATAL 101 /* fatal error: inconsistant, must 80 * reset */ 81#define CC_NORM 0 82#define CC_NEWLINE 1 83#define CC_EOF 2 84#define CC_COMPLETE 3 85#define CC_LIST_CHOICES 4 86#define CC_LIST_GLOB 5 87#define CC_EXPAND_GLOB 6 88#define CC_HELPME 9 89#define CC_CORRECT 10 90#define CC_WHICH 11 91#define CC_ARGHACK 12 92#define CC_CORRECT_L 13 93#define CC_REFRESH 14 94#define CC_EXPAND_VARS 15 95#define CC_NORMALIZE_PATH 16 96#define CC_LIST_ALL 17 97#define CC_COMPLETE_ALL 18 98#define CC_COMPLETE_FWD 19 99#define CC_COMPLETE_BACK 20 100#define CC_NORMALIZE_COMMAND 21 101 102typedef struct { 103 Char *buf; 104 int len; 105} CStr; 106 107typedef union Xmapval { /* value passed to the Xkey routines */ 108 KEYCMD cmd; 109 CStr str; 110} XmapVal; 111 112#define XK_NOD -1 /* Internal tree node */ 113#define XK_CMD 0 /* X-key was an editor command */ 114#define XK_STR 1 /* X-key was a string macro */ 115#define XK_EXE 2 /* X-key was a unix command */ 116 117/****************************/ 118/* Editor state and buffers */ 119/****************************/ 120 121EXTERN KEYCMD *CurrentKeyMap; /* current command key map */ 122EXTERN int inputmode; /* insert, replace, replace1 mode */ 123EXTERN Char GettingInput; /* true if getting an input line (mostly) */ 124EXTERN Char NeedsRedraw; /* for editor and twenex error messages */ 125EXTERN Char InputBuf[INBUFSIZE]; /* the real input data */ 126EXTERN Char *LastChar, *Cursor; /* point to the next open space */ 127EXTERN Char *InputLim; /* limit of size of InputBuf */ 128EXTERN Char MetaNext; /* flags for ^V and ^[ functions */ 129EXTERN Char AltKeyMap; /* Using alternative command map (for vi mode) */ 130EXTERN Char VImode; /* true if running in vi mode (PWP 6-27-88) */ 131EXTERN Char *Mark; /* the emacs "mark" (dot is Cursor) */ 132EXTERN Char DoingArg; /* true if we have an argument */ 133EXTERN int Argument; /* "universal" argument value */ 134EXTERN KEYCMD LastCmd; /* previous command executed */ 135EXTERN CStr *KillRing; /* kill ring */ 136EXTERN int KillRingMax; /* max length of kill ring */ 137EXTERN int KillRingLen; /* current length of kill ring */ 138EXTERN int KillPos; /* points to next kill */ 139EXTERN int YankPos; /* points to next yank */ 140 141EXTERN Char UndoBuf[INBUFSIZE]; 142EXTERN Char *UndoPtr; 143EXTERN int UndoSize; 144EXTERN int UndoAction; 145 146EXTERN Char HistBuf[INBUFSIZE]; /* history buffer */ 147EXTERN Char *LastHist; /* points to end of history buffer */ 148EXTERN int Hist_num; /* what point up the history we are at now. */ 149EXTERN Char WhichBuf[INBUFSIZE]; /* buffer for which command */ 150EXTERN Char *LastWhich; /* points to end of which buffer */ 151EXTERN Char *CursWhich; /* points to the cursor point in which buf */ 152EXTERN int HistWhich; /* Hist_num is saved in this */ 153EXTERN char Expand; /* true if we are expanding a line */ 154extern Char HistLit; /* true if history lines are shown literal */ 155EXTERN Char CurrentHistLit; /* Literal status of current show history line */ 156 157/* 158 * These are truly extern 159 */ 160extern int MacroLvl; 161 162EXTERN Char *KeyMacro[MAXMACROLEVELS]; 163 164EXTERN Char **Display; /* display buffer seed vector */ 165EXTERN int CursorV, /* real cursor vertical (line) */ 166 CursorH, /* real cursor horisontal (column) */ 167 TermV, /* number of real screen lines 168 * (sizeof(DisplayBuf) / width */ 169 TermH; /* screen width */ 170EXTERN Char **Vdisplay; /* new buffer */ 171 172/* Variables that describe terminal ability */ 173EXTERN int T_Lines, T_Cols; /* Rows and Cols of the terminal */ 174EXTERN Char T_CanIns; /* true if I can insert characters */ 175EXTERN Char T_CanDel; /* dito for delete characters */ 176EXTERN Char T_Tabs; /* true if tty interface is passing tabs */ 177EXTERN Char T_Margin; 178#define MARGIN_AUTO 1 /* term has auto margins */ 179#define MARGIN_MAGIC 2 /* concept glitch */ 180EXTERN speed_t T_Speed; /* Tty input Baud rate */ 181EXTERN Char T_CanCEOL; /* true if we can clear to end of line */ 182EXTERN Char T_CanUP; /* true if this term can do reverse linefeen */ 183EXTERN Char T_HasMeta; /* true if we have a meta key */ 184 185/* note the extra characters in the Strchr() call in this macro */ 186#define isword(c) (Isalpha(c)||Isdigit(c)||Strchr(word_chars,c)) 187#define min(x,y) (((x)<(y))?(x):(y)) 188#define max(x,y) (((x)>(y))?(x):(y)) 189 190/* 191 * Terminal dependend data structures 192 */ 193typedef struct { 194#ifdef WINNT_NATIVE 195 int dummy; 196#else /* !WINNT_NATIVE */ 197# if defined(POSIX) || defined(TERMIO) 198# ifdef POSIX 199 struct termios d_t; 200# else 201 struct termio d_t; 202# endif /* POSIX */ 203# else /* SGTTY */ 204# ifdef TIOCGETP 205 struct sgttyb d_t; 206# endif /* TIOCGETP */ 207# ifdef TIOCGETC 208 struct tchars d_tc; 209# endif /* TIOCGETC */ 210# ifdef TIOCGPAGE 211 struct ttypagestat d_pc; 212# endif /* TIOCGPAGE */ 213# ifdef TIOCLGET 214 int d_lb; 215# endif /* TIOCLGET */ 216# endif /* POSIX || TERMIO */ 217# ifdef TIOCGLTC 218 struct ltchars d_ltc; 219# endif /* TIOCGLTC */ 220#endif /* WINNT_NATIVE */ 221} ttydata_t; 222 223#define MODE_INSERT 0 224#define MODE_REPLACE 1 225#define MODE_REPLACE_1 2 226 227#define EX_IO 0 /* while we are executing */ 228#define ED_IO 1 /* while we are editing */ 229#define TS_IO 2 /* new mode from terminal */ 230#define QU_IO 2 /* used only for quoted chars */ 231#define NN_IO 3 /* The number of entries */ 232 233#if defined(POSIX) || defined(TERMIO) 234# define M_INPUT 0 235# define M_OUTPUT 1 236# define M_CONTROL 2 237# define M_LINED 3 238# define M_CHAR 4 239# define M_NN 5 240#else /* GSTTY */ 241# define M_CONTROL 0 242# define M_LOCAL 1 243# define M_CHAR 2 244# define M_NN 3 245#endif /* TERMIO */ 246typedef struct { 247 char *t_name; 248 int t_setmask; 249 int t_clrmask; 250} ttyperm_t[NN_IO][M_NN]; 251 252extern ttyperm_t ttylist; 253#include "ed.decls.h" 254 255#endif /* _h_ed */ 256