1 /* $Header: /p/tcsh/cvsroot/tcsh/ed.h,v 3.50 2007/07/05 14:13:06 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. 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. 20 * 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 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 #ifndef _h_ed 34 #define _h_ed 35 36 #ifndef EXTERN 37 # define EXTERN extern 38 #endif 39 40 #define MAXMACROLEVELS 10 /* max number of nested kbd macros */ 41 42 #ifndef WINNT_NATIVE 43 # define NT_NUM_KEYS 256 44 #endif /* WINNT_NATIVE */ 45 46 #ifdef __QNXNTO__ 47 #undef min 48 #undef max 49 #endif 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) (Char); /* pointer to function returning CCRETVAL */ 62 63 struct KeyFuncs { /* for the "bind" shell command */ 64 const char *name; /* function name for bind command */ 65 int func; /* function numeric value */ 66 const 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 { /* 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 *//*FIXBUF*/ 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 MarkIsSet; /* true if the mark has been set explicitly */ 133 EXTERN Char DoingArg; /* true if we have an argument */ 134 EXTERN int Argument; /* "universal" argument value */ 135 EXTERN KEYCMD LastCmd; /* previous command executed */ 136 EXTERN CStr *KillRing; /* kill ring */ 137 EXTERN int KillRingMax; /* max length of kill ring */ 138 EXTERN int KillRingLen; /* current length of kill ring */ 139 EXTERN int KillPos; /* points to next kill */ 140 EXTERN int YankPos; /* points to next yank */ 141 142 EXTERN Char UndoBuf[INBUFSIZE];/*FIXBUF*/ 143 EXTERN Char *UndoPtr; 144 EXTERN int UndoSize; 145 EXTERN int UndoAction; 146 147 EXTERN struct Strbuf HistBuf; /* = Strbuf_INIT; history buffer */ 148 EXTERN int Hist_num; /* what point up the history we are at now. */ 149 /* buffer for which command and others */ 150 EXTERN struct Strbuf SavedBuf; /* = Strbuf_INIT; */ 151 EXTERN size_t LastSaved; /* points to end of saved buffer */ 152 EXTERN size_t CursSaved; /* points to the cursor point in saved buf */ 153 EXTERN int HistSaved; /* Hist_num is saved in this */ 154 EXTERN char RestoreSaved; /* true if SavedBuf should be restored */ 155 EXTERN int IncMatchLen; /* current match length during incremental search */ 156 EXTERN char Expand; /* true if we are expanding a line */ 157 extern Char HistLit; /* true if history lines are shown literal */ 158 EXTERN Char CurrentHistLit; /* Literal status of current show history line */ 159 extern int Tty_raw_mode; 160 161 /* 162 * These are truly extern 163 */ 164 extern int MacroLvl; 165 extern Char *litptr; /* Entries start at offsets divisible by LIT_FACTOR */ 166 #define LIT_FACTOR 4 167 extern int didsetty; 168 169 EXTERN Char *KeyMacro[MAXMACROLEVELS]; 170 171 /* CHAR_DBWIDTH in Display and Vdisplay means the non-first column of a character 172 that is wider than one "regular" position. The cursor should never point 173 in the middle of a multiple-column character. */ 174 EXTERN Char **Display; /* display buffer seed vector */ 175 EXTERN int CursorV, /* real cursor vertical (line) */ 176 CursorH, /* real cursor horisontal (column) */ 177 TermV, /* number of real screen lines 178 * (sizeof(DisplayBuf) / width */ 179 TermH; /* screen width */ 180 EXTERN Char **Vdisplay; /* new buffer */ 181 182 /* Variables that describe terminal ability */ 183 EXTERN int T_Lines, T_Cols; /* Rows and Cols of the terminal */ 184 EXTERN Char T_CanIns; /* true if I can insert characters */ 185 EXTERN Char T_CanDel; /* dito for delete characters */ 186 EXTERN char T_Tabs; /* true if tty interface is passing tabs */ 187 EXTERN char T_Margin; 188 #define MARGIN_AUTO 1 /* term has auto margins */ 189 #define MARGIN_MAGIC 2 /* concept glitch */ 190 EXTERN speed_t T_Speed; /* Tty input Baud rate */ 191 EXTERN Char T_CanCEOL; /* true if we can clear to end of line */ 192 EXTERN Char T_CanUP; /* true if this term can do reverse linefeen */ 193 EXTERN char T_HasMeta; /* true if we have a meta key */ 194 195 /* note the extra characters in the Strchr() call in this macro */ 196 #define isword(c) (Isalpha(c)||Isdigit(c)||Strchr(word_chars,c)) 197 #define min(x,y) (((x)<(y))?(x):(y)) 198 #define max(x,y) (((x)>(y))?(x):(y)) 199 200 #define MODE_INSERT 0 201 #define MODE_REPLACE 1 202 #define MODE_REPLACE_1 2 203 204 #define EX_IO 0 /* while we are executing */ 205 #define ED_IO 1 /* while we are editing */ 206 #define TS_IO 2 /* new mode from terminal */ 207 #define QU_IO 2 /* used only for quoted chars */ 208 #define NN_IO 3 /* The number of entries */ 209 210 #if defined(POSIX) || defined(TERMIO) 211 # define M_INPUT 0 212 # define M_OUTPUT 1 213 # define M_CONTROL 2 214 # define M_LINED 3 215 # define M_CHAR 4 216 # define M_NN 5 217 #else /* GSTTY */ 218 # define M_CONTROL 0 219 # define M_LOCAL 1 220 # define M_CHAR 2 221 # define M_NN 3 222 #endif /* TERMIO */ 223 typedef struct { 224 const char *t_name; 225 unsigned int t_setmask; 226 unsigned int t_clrmask; 227 } ttyperm_t[NN_IO][M_NN]; 228 229 extern ttyperm_t ttylist; 230 #include "ed.term.h" 231 #include "ed.decls.h" 232 233 #ifndef POSIX 234 /* 235 * We don't prototype these, cause some systems have them wrong! 236 */ 237 extern int tgetent (); 238 extern char *tgetstr (); 239 extern int tgetflag (); 240 extern int tgetnum (); 241 extern char *tgoto (); 242 # define PUTPURE putpure 243 # define PUTRAW putraw 244 #else 245 extern int tgetent (char *, const char *); 246 extern char *tgetstr (const char *, char **); 247 extern int tgetflag (const char *); 248 extern int tgetnum (const char *); 249 extern char *tgoto (const char *, int, int); 250 extern void tputs (const char *, int, void (*)(int)); 251 # define PUTPURE ((void (*)(int)) putpure) 252 # define PUTRAW ((void (*)(int)) putraw) 253 #endif 254 255 #endif /* _h_ed */ 256