1 /* $Header: /src/pub/tcsh/ed.h,v 3.30 2000/11/11 23:03:34 christos Exp $ */ 2 /* 3 * ed.h: Editor declarations and globals 4 */ 5 /*- 6 * Copyright (c) 1980, 1991 The Regents of the University of California. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 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. 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 61 typedef CCRETVAL(*PFCmd) __P((int)); /* pointer to function returning CCRETVAL */ 62 63 struct 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 69 extern PFCmd CcFuncTbl[]; /* table of available commands */ 70 extern KEYCMD CcKeyMap[]; /* keymap table, each index into above tbl */ 71 extern KEYCMD CcAltMap[]; /* Alt keymap table */ 72 extern KEYCMD CcEmacsMap[]; /* keymap table for Emacs default bindings */ 73 extern KEYCMD CcViCmdMap[]; /* for Vi command mode defaults */ 74 extern struct KeyFuncs FuncNames[]; /* string names vs. CcFuncTbl indices */ 75 76 extern 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 21 101 102 typedef struct { 103 Char *buf; 104 int len; 105 } CStr; 106 107 typedef 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 /****************************/ 120 121 EXTERN KEYCMD *CurrentKeyMap; /* current command key map */ 122 EXTERN int inputmode; /* insert, replace, replace1 mode */ 123 EXTERN Char GettingInput; /* true if getting an input line (mostly) */ 124 EXTERN Char NeedsRedraw; /* for editor and twenex error messages */ 125 EXTERN Char InputBuf[INBUFSIZE]; /* the real input data */ 126 EXTERN Char *LastChar, *Cursor; /* point to the next open space */ 127 EXTERN Char *InputLim; /* limit of size of InputBuf */ 128 EXTERN Char MetaNext; /* flags for ^V and ^[ functions */ 129 EXTERN Char AltKeyMap; /* Using alternative command map (for vi mode) */ 130 EXTERN Char VImode; /* true if running in vi mode (PWP 6-27-88) */ 131 EXTERN Char *Mark; /* the emacs "mark" (dot is Cursor) */ 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 Char KillBuf[INBUFSIZE]; /* kill buffer */ 136 EXTERN Char *LastKill; /* points to end of kill buffer */ 137 138 EXTERN Char UndoBuf[INBUFSIZE]; 139 EXTERN Char *UndoPtr; 140 EXTERN int UndoSize; 141 EXTERN int UndoAction; 142 143 EXTERN Char HistBuf[INBUFSIZE]; /* history buffer */ 144 EXTERN Char *LastHist; /* points to end of history buffer */ 145 EXTERN int Hist_num; /* what point up the history we are at now. */ 146 EXTERN Char WhichBuf[INBUFSIZE]; /* buffer for which command */ 147 EXTERN Char *LastWhich; /* points to end of which buffer */ 148 EXTERN Char *CursWhich; /* points to the cursor point in which buf */ 149 EXTERN int HistWhich; /* Hist_num is saved in this */ 150 EXTERN char Expand; /* true if we are expanding a line */ 151 extern Char HistLit; /* true if history lines are shown literal */ 152 EXTERN Char CurrentHistLit; /* Literal status of current show history line */ 153 154 /* 155 * These are truly extern 156 */ 157 extern int MacroLvl; 158 159 EXTERN Char *KeyMacro[MAXMACROLEVELS]; 160 161 EXTERN Char **Display; /* display buffer seed vector */ 162 EXTERN int CursorV, /* real cursor vertical (line) */ 163 CursorH, /* real cursor horisontal (column) */ 164 TermV, /* number of real screen lines 165 * (sizeof(DisplayBuf) / width */ 166 TermH; /* screen width */ 167 EXTERN Char **Vdisplay; /* new buffer */ 168 169 /* Variables that describe terminal ability */ 170 EXTERN int T_Lines, T_Cols; /* Rows and Cols of the terminal */ 171 EXTERN Char T_CanIns; /* true if I can insert characters */ 172 EXTERN Char T_CanDel; /* dito for delete characters */ 173 EXTERN Char T_Tabs; /* true if tty interface is passing tabs */ 174 EXTERN Char T_Margin; 175 #define MARGIN_AUTO 1 /* term has auto margins */ 176 #define MARGIN_MAGIC 2 /* concept glitch */ 177 EXTERN speed_t T_Speed; /* Tty input Baud rate */ 178 EXTERN Char T_CanCEOL; /* true if we can clear to end of line */ 179 EXTERN Char T_CanUP; /* true if this term can do reverse linefeen */ 180 EXTERN Char T_HasMeta; /* true if we have a meta key */ 181 182 /* note the extra characters in the Strchr() call in this macro */ 183 #define isword(c) (Isalpha(c)||Isdigit(c)||Strchr(word_chars,c)) 184 #define min(x,y) (((x)<(y))?(x):(y)) 185 #define max(x,y) (((x)>(y))?(x):(y)) 186 187 /* 188 * Terminal dependend data structures 189 */ 190 typedef struct { 191 #ifdef WINNT_NATIVE 192 int dummy; 193 #else /* !WINNT_NATIVE */ 194 # if defined(POSIX) || defined(TERMIO) 195 # ifdef POSIX 196 struct termios d_t; 197 # else 198 struct termio d_t; 199 # endif /* POSIX */ 200 # else /* SGTTY */ 201 # ifdef TIOCGETP 202 struct sgttyb d_t; 203 # endif /* TIOCGETP */ 204 # ifdef TIOCGETC 205 struct tchars d_tc; 206 # endif /* TIOCGETC */ 207 # ifdef TIOCGPAGE 208 struct ttypagestat d_pc; 209 # endif /* TIOCGPAGE */ 210 # ifdef TIOCLGET 211 int d_lb; 212 # endif /* TIOCLGET */ 213 # endif /* POSIX || TERMIO */ 214 # ifdef TIOCGLTC 215 struct ltchars d_ltc; 216 # endif /* TIOCGLTC */ 217 #endif /* WINNT_NATIVE */ 218 } ttydata_t; 219 220 #define MODE_INSERT 0 221 #define MODE_REPLACE 1 222 #define MODE_REPLACE_1 2 223 224 #define EX_IO 0 /* while we are executing */ 225 #define ED_IO 1 /* while we are editing */ 226 #define TS_IO 2 /* new mode from terminal */ 227 #define QU_IO 2 /* used only for quoted chars */ 228 #define NN_IO 3 /* The number of entries */ 229 230 #if defined(POSIX) || defined(TERMIO) 231 # define M_INPUT 0 232 # define M_OUTPUT 1 233 # define M_CONTROL 2 234 # define M_LINED 3 235 # define M_CHAR 4 236 # define M_NN 5 237 #else /* GSTTY */ 238 # define M_CONTROL 0 239 # define M_LOCAL 1 240 # define M_CHAR 2 241 # define M_NN 3 242 #endif /* TERMIO */ 243 typedef struct { 244 char *t_name; 245 int t_setmask; 246 int t_clrmask; 247 } ttyperm_t[NN_IO][M_NN]; 248 249 extern ttyperm_t ttylist; 250 #include "ed.decls.h" 251 252 #endif /* _h_ed */ 253