1 /* $Header: /src/pub/tcsh/ed.h,v 3.33 2002/07/06 22:28:13 christos Exp $ */
3 * ed.h: Editor declarations and globals
6 * Copyright (c) 1980, 1991 The Regents of the University of California.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 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. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 # define EXTERN extern
40 #define TABSIZE 8 /* usually 8 spaces/tab */
41 #define MAXMACROLEVELS 10 /* max number of nested kbd macros */
44 # define NT_NUM_KEYS 256
45 #endif /* WINNT_NATIVE */
47 /****************************************************************************/
48 /* stuff for the different states returned by the character editor routines */
49 /****************************************************************************/
51 #define CCRETVAL char /* size needed for the different char editor */
54 #define KEYCMD unsigned char /* size needed to index into CcFuncTbl */
55 /* Must be unsigned */
57 typedef CCRETVAL(*PFCmd
) __P((int)); /* pointer to function returning CCRETVAL */
59 struct KeyFuncs
{ /* for the "bind" shell command */
60 char *name
; /* function name for bind command */
61 int func
; /* function numeric value */
62 char *desc
; /* description of function */
65 extern PFCmd CcFuncTbl
[]; /* table of available commands */
66 extern KEYCMD CcKeyMap
[]; /* keymap table, each index into above tbl */
67 extern KEYCMD CcAltMap
[]; /* Alt keymap table */
68 extern KEYCMD CcEmacsMap
[]; /* keymap table for Emacs default bindings */
69 extern KEYCMD CcViCmdMap
[]; /* for Vi command mode defaults */
70 extern struct KeyFuncs FuncNames
[]; /* string names vs. CcFuncTbl indices */
72 extern KEYCMD NumFuns
; /* number of KEYCMDs in above table */
74 #define CC_ERROR 100 /* there should NOT be 100 different... */
75 #define CC_FATAL 101 /* fatal error: inconsistant, must
81 #define CC_LIST_CHOICES 4
82 #define CC_LIST_GLOB 5
83 #define CC_EXPAND_GLOB 6
88 #define CC_CORRECT_L 13
90 #define CC_EXPAND_VARS 15
91 #define CC_NORMALIZE_PATH 16
92 #define CC_LIST_ALL 17
93 #define CC_COMPLETE_ALL 18
94 #define CC_COMPLETE_FWD 19
95 #define CC_COMPLETE_BACK 20
96 #define CC_NORMALIZE_COMMAND 21
103 typedef union Xmapval
{ /* value passed to the Xkey routines */
108 #define XK_NOD -1 /* Internal tree node */
109 #define XK_CMD 0 /* X-key was an editor command */
110 #define XK_STR 1 /* X-key was a string macro */
111 #define XK_EXE 2 /* X-key was a unix command */
113 /****************************/
114 /* Editor state and buffers */
115 /****************************/
117 EXTERN KEYCMD
*CurrentKeyMap
; /* current command key map */
118 EXTERN
int inputmode
; /* insert, replace, replace1 mode */
119 EXTERN Char GettingInput
; /* true if getting an input line (mostly) */
120 EXTERN Char NeedsRedraw
; /* for editor and twenex error messages */
121 EXTERN Char InputBuf
[INBUFSIZE
]; /* the real input data */
122 EXTERN Char
*LastChar
, *Cursor
; /* point to the next open space */
123 EXTERN Char
*InputLim
; /* limit of size of InputBuf */
124 EXTERN Char MetaNext
; /* flags for ^V and ^[ functions */
125 EXTERN Char AltKeyMap
; /* Using alternative command map (for vi mode) */
126 EXTERN Char VImode
; /* true if running in vi mode (PWP 6-27-88) */
127 EXTERN Char
*Mark
; /* the emacs "mark" (dot is Cursor) */
128 EXTERN Char DoingArg
; /* true if we have an argument */
129 EXTERN
int Argument
; /* "universal" argument value */
130 EXTERN KEYCMD LastCmd
; /* previous command executed */
131 EXTERN CStr
*KillRing
; /* kill ring */
132 EXTERN
int KillRingMax
; /* max length of kill ring */
133 EXTERN
int KillRingLen
; /* current length of kill ring */
134 EXTERN
int KillPos
; /* points to next kill */
135 EXTERN
int YankPos
; /* points to next yank */
137 EXTERN Char UndoBuf
[INBUFSIZE
];
138 EXTERN Char
*UndoPtr
;
140 EXTERN
int UndoAction
;
142 EXTERN Char HistBuf
[INBUFSIZE
]; /* history buffer */
143 EXTERN Char
*LastHist
; /* points to end of history buffer */
144 EXTERN
int Hist_num
; /* what point up the history we are at now. */
145 EXTERN Char WhichBuf
[INBUFSIZE
]; /* buffer for which command */
146 EXTERN Char
*LastWhich
; /* points to end of which buffer */
147 EXTERN Char
*CursWhich
; /* points to the cursor point in which buf */
148 EXTERN
int HistWhich
; /* Hist_num is saved in this */
149 EXTERN
char Expand
; /* true if we are expanding a line */
150 extern Char HistLit
; /* true if history lines are shown literal */
151 EXTERN Char CurrentHistLit
; /* Literal status of current show history line */
154 * These are truly extern
158 EXTERN Char
*KeyMacro
[MAXMACROLEVELS
];
160 EXTERN Char
**Display
; /* display buffer seed vector */
161 EXTERN
int CursorV
, /* real cursor vertical (line) */
162 CursorH
, /* real cursor horisontal (column) */
163 TermV
, /* number of real screen lines
164 * (sizeof(DisplayBuf) / width */
165 TermH
; /* screen width */
166 EXTERN Char
**Vdisplay
; /* new buffer */
168 /* Variables that describe terminal ability */
169 EXTERN
int T_Lines
, T_Cols
; /* Rows and Cols of the terminal */
170 EXTERN Char T_CanIns
; /* true if I can insert characters */
171 EXTERN Char T_CanDel
; /* dito for delete characters */
172 EXTERN Char T_Tabs
; /* true if tty interface is passing tabs */
173 EXTERN Char T_Margin
;
174 #define MARGIN_AUTO 1 /* term has auto margins */
175 #define MARGIN_MAGIC 2 /* concept glitch */
176 EXTERN speed_t T_Speed
; /* Tty input Baud rate */
177 EXTERN Char T_CanCEOL
; /* true if we can clear to end of line */
178 EXTERN Char T_CanUP
; /* true if this term can do reverse linefeen */
179 EXTERN Char T_HasMeta
; /* true if we have a meta key */
181 /* note the extra characters in the Strchr() call in this macro */
182 #define isword(c) (Isalpha(c)||Isdigit(c)||Strchr(word_chars,c))
183 #define min(x,y) (((x)<(y))?(x):(y))
184 #define max(x,y) (((x)>(y))?(x):(y))
186 #define MODE_INSERT 0
187 #define MODE_REPLACE 1
188 #define MODE_REPLACE_1 2
190 #define EX_IO 0 /* while we are executing */
191 #define ED_IO 1 /* while we are editing */
192 #define TS_IO 2 /* new mode from terminal */
193 #define QU_IO 2 /* used only for quoted chars */
194 #define NN_IO 3 /* The number of entries */
196 #if defined(POSIX) || defined(TERMIO)
213 } ttyperm_t
[NN_IO
][M_NN
];
215 extern ttyperm_t ttylist
;
217 #include "ed.decls.h"