ed.h revision 145479
1145479Smp/* $Header: /src/pub/tcsh/ed.h,v 3.44 2005/03/05 03:20:15 christos Exp $ */ 259243Sobrien/* 359243Sobrien * ed.h: Editor declarations and globals 459243Sobrien */ 559243Sobrien/*- 659243Sobrien * Copyright (c) 1980, 1991 The Regents of the University of California. 759243Sobrien * All rights reserved. 859243Sobrien * 959243Sobrien * Redistribution and use in source and binary forms, with or without 1059243Sobrien * modification, are permitted provided that the following conditions 1159243Sobrien * are met: 1259243Sobrien * 1. Redistributions of source code must retain the above copyright 1359243Sobrien * notice, this list of conditions and the following disclaimer. 1459243Sobrien * 2. Redistributions in binary form must reproduce the above copyright 1559243Sobrien * notice, this list of conditions and the following disclaimer in the 1659243Sobrien * documentation and/or other materials provided with the distribution. 17100616Smp * 3. Neither the name of the University nor the names of its contributors 1859243Sobrien * may be used to endorse or promote products derived from this software 1959243Sobrien * without specific prior written permission. 2059243Sobrien * 2159243Sobrien * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2259243Sobrien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2359243Sobrien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2459243Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2559243Sobrien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2659243Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2759243Sobrien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2859243Sobrien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2959243Sobrien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3059243Sobrien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3159243Sobrien * SUCH DAMAGE. 3259243Sobrien */ 3359243Sobrien#ifndef _h_ed 3459243Sobrien#define _h_ed 3559243Sobrien 3659243Sobrien#ifndef EXTERN 3759243Sobrien# define EXTERN extern 3859243Sobrien#endif 3959243Sobrien 4059243Sobrien#define TABSIZE 8 /* usually 8 spaces/tab */ 4159243Sobrien#define MAXMACROLEVELS 10 /* max number of nested kbd macros */ 4259243Sobrien 4369408Sache#ifndef WINNT_NATIVE 4459243Sobrien# define NT_NUM_KEYS 256 4569408Sache#endif /* WINNT_NATIVE */ 4659243Sobrien 4759243Sobrien/****************************************************************************/ 4859243Sobrien/* stuff for the different states returned by the character editor routines */ 4959243Sobrien/****************************************************************************/ 5059243Sobrien 5159243Sobrien#define CCRETVAL char /* size needed for the different char editor */ 5259243Sobrien /* return values */ 5359243Sobrien 5459243Sobrien#define KEYCMD unsigned char /* size needed to index into CcFuncTbl */ 5559243Sobrien /* Must be unsigned */ 5659243Sobrien 57145479Smptypedef CCRETVAL(*PFCmd) __P((Char)); /* pointer to function returning CCRETVAL */ 5859243Sobrien 5959243Sobrienstruct KeyFuncs { /* for the "bind" shell command */ 60145479Smp const char *name; /* function name for bind command */ 6159243Sobrien int func; /* function numeric value */ 62145479Smp const char *desc; /* description of function */ 6359243Sobrien}; 6459243Sobrien 6559243Sobrienextern PFCmd CcFuncTbl[]; /* table of available commands */ 6659243Sobrienextern KEYCMD CcKeyMap[]; /* keymap table, each index into above tbl */ 6759243Sobrienextern KEYCMD CcAltMap[]; /* Alt keymap table */ 6859243Sobrienextern KEYCMD CcEmacsMap[]; /* keymap table for Emacs default bindings */ 6959243Sobrienextern KEYCMD CcViCmdMap[]; /* for Vi command mode defaults */ 7059243Sobrienextern struct KeyFuncs FuncNames[]; /* string names vs. CcFuncTbl indices */ 7159243Sobrien 7259243Sobrienextern KEYCMD NumFuns; /* number of KEYCMDs in above table */ 7359243Sobrien 7459243Sobrien#define CC_ERROR 100 /* there should NOT be 100 different... */ 7559243Sobrien#define CC_FATAL 101 /* fatal error: inconsistant, must 7659243Sobrien * reset */ 7759243Sobrien#define CC_NORM 0 7859243Sobrien#define CC_NEWLINE 1 7959243Sobrien#define CC_EOF 2 8059243Sobrien#define CC_COMPLETE 3 8159243Sobrien#define CC_LIST_CHOICES 4 8259243Sobrien#define CC_LIST_GLOB 5 8359243Sobrien#define CC_EXPAND_GLOB 6 8459243Sobrien#define CC_HELPME 9 8559243Sobrien#define CC_CORRECT 10 8659243Sobrien#define CC_WHICH 11 8759243Sobrien#define CC_ARGHACK 12 8859243Sobrien#define CC_CORRECT_L 13 8959243Sobrien#define CC_REFRESH 14 9059243Sobrien#define CC_EXPAND_VARS 15 9159243Sobrien#define CC_NORMALIZE_PATH 16 9259243Sobrien#define CC_LIST_ALL 17 9359243Sobrien#define CC_COMPLETE_ALL 18 9459243Sobrien#define CC_COMPLETE_FWD 19 9559243Sobrien#define CC_COMPLETE_BACK 20 9659243Sobrien#define CC_NORMALIZE_COMMAND 21 9759243Sobrien 9859243Sobrientypedef struct { 9959243Sobrien Char *buf; 10059243Sobrien int len; 10159243Sobrien} CStr; 10259243Sobrien 10359243Sobrientypedef union Xmapval { /* value passed to the Xkey routines */ 10459243Sobrien KEYCMD cmd; 10559243Sobrien CStr str; 10659243Sobrien} XmapVal; 10759243Sobrien 10859243Sobrien#define XK_NOD -1 /* Internal tree node */ 10959243Sobrien#define XK_CMD 0 /* X-key was an editor command */ 11059243Sobrien#define XK_STR 1 /* X-key was a string macro */ 11159243Sobrien#define XK_EXE 2 /* X-key was a unix command */ 11259243Sobrien 11359243Sobrien/****************************/ 11459243Sobrien/* Editor state and buffers */ 11559243Sobrien/****************************/ 11659243Sobrien 11759243SobrienEXTERN KEYCMD *CurrentKeyMap; /* current command key map */ 11859243SobrienEXTERN int inputmode; /* insert, replace, replace1 mode */ 11959243SobrienEXTERN Char GettingInput; /* true if getting an input line (mostly) */ 12059243SobrienEXTERN Char NeedsRedraw; /* for editor and twenex error messages */ 12159243SobrienEXTERN Char InputBuf[INBUFSIZE]; /* the real input data */ 12259243SobrienEXTERN Char *LastChar, *Cursor; /* point to the next open space */ 12359243SobrienEXTERN Char *InputLim; /* limit of size of InputBuf */ 12459243SobrienEXTERN Char MetaNext; /* flags for ^V and ^[ functions */ 12559243SobrienEXTERN Char AltKeyMap; /* Using alternative command map (for vi mode) */ 12659243SobrienEXTERN Char VImode; /* true if running in vi mode (PWP 6-27-88) */ 12759243SobrienEXTERN Char *Mark; /* the emacs "mark" (dot is Cursor) */ 12859243SobrienEXTERN Char DoingArg; /* true if we have an argument */ 12959243SobrienEXTERN int Argument; /* "universal" argument value */ 13059243SobrienEXTERN KEYCMD LastCmd; /* previous command executed */ 13183098SmpEXTERN CStr *KillRing; /* kill ring */ 13283098SmpEXTERN int KillRingMax; /* max length of kill ring */ 13383098SmpEXTERN int KillRingLen; /* current length of kill ring */ 13483098SmpEXTERN int KillPos; /* points to next kill */ 13583098SmpEXTERN int YankPos; /* points to next yank */ 13659243Sobrien 13759243SobrienEXTERN Char UndoBuf[INBUFSIZE]; 13859243SobrienEXTERN Char *UndoPtr; 13959243SobrienEXTERN int UndoSize; 14059243SobrienEXTERN int UndoAction; 14159243Sobrien 14259243SobrienEXTERN Char HistBuf[INBUFSIZE]; /* history buffer */ 14359243SobrienEXTERN Char *LastHist; /* points to end of history buffer */ 14459243SobrienEXTERN int Hist_num; /* what point up the history we are at now. */ 14559243SobrienEXTERN Char WhichBuf[INBUFSIZE]; /* buffer for which command */ 14659243SobrienEXTERN Char *LastWhich; /* points to end of which buffer */ 14759243SobrienEXTERN Char *CursWhich; /* points to the cursor point in which buf */ 14859243SobrienEXTERN int HistWhich; /* Hist_num is saved in this */ 14959243SobrienEXTERN char Expand; /* true if we are expanding a line */ 15059243Sobrienextern Char HistLit; /* true if history lines are shown literal */ 15159243SobrienEXTERN Char CurrentHistLit; /* Literal status of current show history line */ 152145479Smpextern int Tty_raw_mode; 15359243Sobrien 15459243Sobrien/* 15559243Sobrien * These are truly extern 15659243Sobrien */ 15759243Sobrienextern int MacroLvl; 158145479Smpextern Char *litptr; /* Entries start at offsets divisible by LIT_FACTOR */ 159145479Smp#define LIT_FACTOR 4 160145479Smpextern int didsetty; 16159243Sobrien 16259243SobrienEXTERN Char *KeyMacro[MAXMACROLEVELS]; 16359243Sobrien 164145479Smp/* CHAR_DBWIDTH in Display and Vdisplay means the non-first column of a character 165145479Smp that is wider than one "regular" position. The cursor should never point 166145479Smp in the middle of a multiple-column character. */ 16759243SobrienEXTERN Char **Display; /* display buffer seed vector */ 16859243SobrienEXTERN int CursorV, /* real cursor vertical (line) */ 16959243Sobrien CursorH, /* real cursor horisontal (column) */ 17059243Sobrien TermV, /* number of real screen lines 17159243Sobrien * (sizeof(DisplayBuf) / width */ 17259243Sobrien TermH; /* screen width */ 173145479SmpEXTERN Char **Vdisplay; /* new buffer */ 17459243Sobrien 17559243Sobrien/* Variables that describe terminal ability */ 17659243SobrienEXTERN int T_Lines, T_Cols; /* Rows and Cols of the terminal */ 17759243SobrienEXTERN Char T_CanIns; /* true if I can insert characters */ 17859243SobrienEXTERN Char T_CanDel; /* dito for delete characters */ 17959243SobrienEXTERN Char T_Tabs; /* true if tty interface is passing tabs */ 18059243SobrienEXTERN Char T_Margin; 18159243Sobrien#define MARGIN_AUTO 1 /* term has auto margins */ 18259243Sobrien#define MARGIN_MAGIC 2 /* concept glitch */ 18359243SobrienEXTERN speed_t T_Speed; /* Tty input Baud rate */ 18459243SobrienEXTERN Char T_CanCEOL; /* true if we can clear to end of line */ 18559243SobrienEXTERN Char T_CanUP; /* true if this term can do reverse linefeen */ 18659243SobrienEXTERN Char T_HasMeta; /* true if we have a meta key */ 18759243Sobrien 18859243Sobrien/* note the extra characters in the Strchr() call in this macro */ 18959243Sobrien#define isword(c) (Isalpha(c)||Isdigit(c)||Strchr(word_chars,c)) 19059243Sobrien#define min(x,y) (((x)<(y))?(x):(y)) 19159243Sobrien#define max(x,y) (((x)>(y))?(x):(y)) 19259243Sobrien 19359243Sobrien#define MODE_INSERT 0 19459243Sobrien#define MODE_REPLACE 1 19559243Sobrien#define MODE_REPLACE_1 2 19659243Sobrien 19759243Sobrien#define EX_IO 0 /* while we are executing */ 19859243Sobrien#define ED_IO 1 /* while we are editing */ 19959243Sobrien#define TS_IO 2 /* new mode from terminal */ 20059243Sobrien#define QU_IO 2 /* used only for quoted chars */ 20159243Sobrien#define NN_IO 3 /* The number of entries */ 20259243Sobrien 20359243Sobrien#if defined(POSIX) || defined(TERMIO) 20459243Sobrien# define M_INPUT 0 20559243Sobrien# define M_OUTPUT 1 20659243Sobrien# define M_CONTROL 2 20759243Sobrien# define M_LINED 3 20859243Sobrien# define M_CHAR 4 20959243Sobrien# define M_NN 5 21059243Sobrien#else /* GSTTY */ 21159243Sobrien# define M_CONTROL 0 21259243Sobrien# define M_LOCAL 1 21359243Sobrien# define M_CHAR 2 21459243Sobrien# define M_NN 3 21559243Sobrien#endif /* TERMIO */ 21659243Sobrientypedef struct { 217145479Smp const char *t_name; 218145479Smp unsigned int t_setmask; 219145479Smp unsigned int t_clrmask; 22059243Sobrien} ttyperm_t[NN_IO][M_NN]; 22159243Sobrien 22259243Sobrienextern ttyperm_t ttylist; 223100616Smp#include "ed.term.h" 22459243Sobrien#include "ed.decls.h" 22559243Sobrien 226145479Smp#ifndef POSIX 227145479Smp/* 228145479Smp * We don't prototype these, cause some systems have them wrong! 229145479Smp */ 230145479Smpextern int tgetent __P(()); 231145479Smpextern char *tgetstr __P(()); 232145479Smpextern int tgetflag __P(()); 233145479Smpextern int tgetnum __P(()); 234145479Smpextern char *tgoto __P(()); 235145479Smp# define PUTPURE putpure 236145479Smp# define PUTRAW putraw 237145479Smp#else 238145479Smpextern int tgetent __P((char *, const char *)); 239145479Smpextern char *tgetstr __P((const char *, char **)); 240145479Smpextern int tgetflag __P((const char *)); 241145479Smpextern int tgetnum __P((const char *)); 242145479Smpextern char *tgoto __P((const char *, int, int)); 243145479Smpextern void tputs __P((const char *, int, void (*)(int))); 244145479Smp# define PUTPURE ((void (*)__P((int))) putpure) 245145479Smp# define PUTRAW ((void (*)__P((int))) putraw) 246145479Smp#endif 247145479Smp 24859243Sobrien#endif /* _h_ed */ 249