1 /*
2 * ed.h: Editor declarations and globals
3 */
4 /*-
5 * Copyright (c) 1980, 1991 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32 #ifndef _h_ed
33 #define _h_ed
34
35 #ifndef EXTERN
36 # define EXTERN extern
37 #endif
38
39 #define MAXMACROLEVELS 10 /* max number of nested kbd macros */
40
41 #ifndef WINNT_NATIVE
42 # define NT_NUM_KEYS 256
43 #endif /* WINNT_NATIVE */
44
45 #ifdef __QNXNTO__
46 #undef min
47 #undef max
48 #endif
49
50 /****************************************************************************/
51 /* stuff for the different states returned by the character editor routines */
52 /****************************************************************************/
53
54 #define CCRETVAL char /* size needed for the different char editor */
55 /* return values */
56
57 #define KEYCMD unsigned char /* size needed to index into CcFuncTbl */
58 /* Must be unsigned */
59
60 typedef CCRETVAL(*PFCmd) (Char); /* pointer to function returning CCRETVAL */
61
62 struct KeyFuncs { /* for the "bind" shell command */
63 const char *name; /* function name for bind command */
64 int func; /* function numeric value */
65 const char *desc; /* description of function */
66 };
67
68 extern PFCmd CcFuncTbl[]; /* table of available commands */
69 extern KEYCMD CcKeyMap[]; /* keymap table, each index into above tbl */
70 extern KEYCMD CcAltMap[]; /* Alt keymap table */
71 extern KEYCMD CcEmacsMap[]; /* keymap table for Emacs default bindings */
72 extern KEYCMD CcViCmdMap[]; /* for Vi command mode defaults */
73 extern struct KeyFuncs FuncNames[]; /* string names vs. CcFuncTbl indices */
74
75 extern KEYCMD NumFuns; /* number of KEYCMDs in above table */
76
77 #define CC_ERROR 100 /* there should NOT be 100 different... */
78 #define CC_FATAL 101 /* fatal error: inconsistant, must
79 * reset */
80 #define CC_NORM 0
81 #define CC_NEWLINE 1
82 #define CC_EOF 2
83 #define CC_COMPLETE 3
84 #define CC_LIST_CHOICES 4
85 #define CC_LIST_GLOB 5
86 #define CC_EXPAND_GLOB 6
87 #define CC_HELPME 9
88 #define CC_CORRECT 10
89 #define CC_WHICH 11
90 #define CC_ARGHACK 12
91 #define CC_CORRECT_L 13
92 #define CC_REFRESH 14
93 #define CC_EXPAND_VARS 15
94 #define CC_NORMALIZE_PATH 16
95 #define CC_LIST_ALL 17
96 #define CC_COMPLETE_ALL 18
97 #define CC_COMPLETE_FWD 19
98 #define CC_COMPLETE_BACK 20
99 #define CC_NORMALIZE_COMMAND 21
100
101 typedef struct {
102 Char *buf;
103 int len;
104 } CStr;
105
106 typedef union { /* value passed to the Xkey routines */
107 KEYCMD cmd;
108 CStr str;
109 } XmapVal;
110
111 #define XK_NOD -1 /* Internal tree node */
112 #define XK_CMD 0 /* X-key was an editor command */
113 #define XK_STR 1 /* X-key was a string macro */
114 #define XK_EXE 2 /* X-key was a unix command */
115
116 /****************************/
117 /* Editor state and buffers */
118 /****************************/
119
120 EXTERN KEYCMD *CurrentKeyMap; /* current command key map */
121 EXTERN int inputmode; /* insert, replace, replace1 mode */
122 EXTERN Char GettingInput; /* true if getting an input line (mostly) */
123 EXTERN Char NeedsRedraw; /* for editor and twenex error messages */
124 EXTERN Char InputBuf[INBUFSIZE]; /* the real input data *//*FIXBUF*/
125 EXTERN Char *LastChar, *Cursor; /* point to the next open space */
126 EXTERN Char *InputLim; /* limit of size of InputBuf */
127 EXTERN Char MetaNext; /* flags for ^V and ^[ functions */
128 EXTERN Char AltKeyMap; /* Using alternative command map (for vi mode) */
129 EXTERN Char VImode; /* true if running in vi mode (PWP 6-27-88) */
130 EXTERN Char *Mark; /* the emacs "mark" (dot is Cursor) */
131 EXTERN char MarkIsSet; /* true if the mark has been set explicitly */
132 EXTERN Char DoingArg; /* true if we have an argument */
133 EXTERN int Argument; /* "universal" argument value */
134 EXTERN KEYCMD LastCmd; /* previous command executed */
135 EXTERN CStr *KillRing; /* kill ring */
136 EXTERN int KillRingMax; /* max length of kill ring */
137 EXTERN int KillRingLen; /* current length of kill ring */
138 EXTERN int KillPos; /* points to next kill */
139 EXTERN int YankPos; /* points to next yank */
140
141 EXTERN Char UndoBuf[INBUFSIZE];/*FIXBUF*/
142 EXTERN Char *UndoPtr;
143 EXTERN int UndoSize;
144 EXTERN int UndoAction;
145
146 EXTERN struct Strbuf HistBuf; /* = Strbuf_INIT; history buffer */
147 EXTERN int Hist_num; /* what point up the history we are at now. */
148 /* buffer for which command and others */
149 EXTERN struct Strbuf SavedBuf; /* = Strbuf_INIT; */
150 EXTERN size_t LastSaved; /* points to end of saved buffer */
151 EXTERN size_t CursSaved; /* points to the cursor point in saved buf */
152 EXTERN int HistSaved; /* Hist_num is saved in this */
153 EXTERN char RestoreSaved; /* true if SavedBuf should be restored */
154 EXTERN int IncMatchLen; /* current match length during incremental search */
155 EXTERN char Expand; /* true if we are expanding a line */
156 extern Char HistLit; /* true if history lines are shown literal */
157 EXTERN Char CurrentHistLit; /* Literal status of current show history line */
158 extern int Tty_raw_mode;
159
160 /*
161 * These are truly extern
162 */
163 extern int MacroLvl;
164 extern Char *litptr; /* Entries start at offsets divisible by LIT_FACTOR */
165 #define LIT_FACTOR 4
166 extern int didsetty;
167
168 EXTERN Char *KeyMacro[MAXMACROLEVELS];
169
170 /* CHAR_DBWIDTH in Display and Vdisplay means the non-first column of a character
171 that is wider than one "regular" position. The cursor should never point
172 in the middle of a multiple-column character. */
173 EXTERN Char **Display; /* display buffer seed vector */
174 EXTERN int CursorV, /* real cursor vertical (line) */
175 CursorH, /* real cursor horisontal (column) */
176 TermV, /* number of real screen lines
177 * (sizeof(DisplayBuf) / width */
178 TermH; /* screen width */
179 EXTERN Char **Vdisplay; /* new buffer */
180
181 /* Variables that describe terminal ability */
182 EXTERN int T_Lines, T_Cols; /* Rows and Cols of the terminal */
183 EXTERN Char T_CanIns; /* true if I can insert characters */
184 EXTERN Char T_CanDel; /* dito for delete characters */
185 EXTERN char T_Tabs; /* true if tty interface is passing tabs */
186 EXTERN char T_Margin;
187 #define MARGIN_AUTO 1 /* term has auto margins */
188 #define MARGIN_MAGIC 2 /* concept glitch */
189 EXTERN speed_t T_Speed; /* Tty input Baud rate */
190 EXTERN Char T_CanCEOL; /* true if we can clear to end of line */
191 EXTERN Char T_CanUP; /* true if this term can do reverse linefeen */
192 EXTERN char T_HasMeta; /* true if we have a meta key */
193
194 /* note the extra characters in the Strchr() call in this macro */
195 #define isword(c) (Isalpha(c)||Isdigit(c)||Strchr(word_chars,c))
196 #define min(x,y) (((x)<(y))?(x):(y))
197 #define max(x,y) (((x)>(y))?(x):(y))
198
199 #define MODE_INSERT 0
200 #define MODE_REPLACE 1
201 #define MODE_REPLACE_1 2
202
203 #define EX_IO 0 /* while we are executing */
204 #define ED_IO 1 /* while we are editing */
205 #define TS_IO 2 /* new mode from terminal */
206 #define QU_IO 2 /* used only for quoted chars */
207 #define NN_IO 3 /* The number of entries */
208
209 #if defined(POSIX) || defined(TERMIO)
210 # define M_INPUT 0
211 # define M_OUTPUT 1
212 # define M_CONTROL 2
213 # define M_LINED 3
214 # define M_CHAR 4
215 # define M_NN 5
216 #else /* GSTTY */
217 # define M_CONTROL 0
218 # define M_LOCAL 1
219 # define M_CHAR 2
220 # define M_NN 3
221 #endif /* TERMIO */
222 typedef struct {
223 const char *t_name;
224 unsigned int t_setmask;
225 unsigned int t_clrmask;
226 } ttyperm_t[NN_IO][M_NN];
227
228 extern ttyperm_t ttylist;
229 #include "ed.term.h"
230 #include "ed.decls.h"
231
232 #ifndef POSIX
233 /*
234 * We don't prototype these, cause some systems have them wrong!
235 */
236 extern int tgetent ();
237 extern char *tgetstr ();
238 extern int tgetflag ();
239 extern int tgetnum ();
240 extern char *tgoto ();
241 # define PUTPURE putpure
242 # define PUTRAW putraw
243 #else
244 extern int tgetent (char *, const char *);
245 extern char *tgetstr (const char *, char **);
246 extern int tgetflag (const char *);
247 extern int tgetnum (const char *);
248 extern char *tgoto (const char *, int, int);
249 extern void tputs (const char *, int, void (*)(int));
PUTPURE(int c)250 static __inline void PUTPURE(int c) {
251 (void)putpure(c);
252 }
PUTRAW(int c)253 static __inline void PUTRAW(int c) {
254 (void)putraw(c);
255 }
256 #endif
257
258 #endif /* _h_ed */
259