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- /* $Header: /home/hyperion/mu/christos/src/sys/tcsh-6.01/RCS/ed.h,v 3.12 1991/12/19 22:34:14 christos Exp $ */
- /*
- * ed.h: Editor declarations and globals
- */
- /*-
- * Copyright (c) 1980, 1991 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- #ifndef _h_ed
- #define _h_ed
-
- #ifndef EXTERN
- # define EXTERN extern
- #endif
-
- #define TABSIZE 8 /* usually 8 spaces/tab */
- #define MAXMACROLEVELS 10 /* max number of nested kbd macros */
-
- extern int errno;
-
- /****************************************************************************/
- /* stuff for the different states returned by the character editor routines */
- /****************************************************************************/
-
- #define CCRETVAL char /* size needed for the different char editor */
- /* return values */
-
- #define KEYCMD unsigned char /* size needed to index into CcFuncTbl */
- /* Must be unsigned */
-
- typedef CCRETVAL(*PFCmd) __P((int)); /* pointer to function returning CCRETVAL */
-
- struct KeyFuncs { /* for the "bind" shell command */
- char *name; /* function name for bind command */
- int func; /* function numeric value */
- char *description; /* description of function */
- };
-
- extern PFCmd CcFuncTbl[]; /* table of available commands */
- extern KEYCMD CcKeyMap[]; /* keymap table, each index into above tbl */
- extern KEYCMD CcAltMap[]; /* Alt keymap table */
- extern KEYCMD CcEmacsMap[]; /* keymap table for Emacs default bindings */
- extern KEYCMD CcViMap[]; /* keymap table for Vi input mode defaults */
- extern KEYCMD CcViCmdMap[]; /* for Vi command mode defaults */
- extern struct KeyFuncs FuncNames[]; /* string names vs. CcFuncTbl indices */
-
- extern KEYCMD NumFuns; /* number of KEYCMDs in above table */
-
- #define CC_ERROR 100 /* there should NOT be 100 different... */
- #define CC_FATAL 101 /* fatal error: inconsistant, must
- * reset */
- #define CC_NORM 0
- #define CC_NEWLINE 1
- #define CC_EOF 2
- #define CC_COMPLETE 3
- #define CC_LIST_CHOICES 4
- #define CC_LIST_GLOB 5
- #define CC_EXPAND_GLOB 6
- #define CC_HELPME 9
- #define CC_CORRECT 10
- #define CC_WHICH 11
- #define CC_ARGHACK 12
- #define CC_CORRECT_L 13
- #define CC_REFRESH 14
- #define CC_EXPAND_VARS 15
- #define CC_NORMALIZE_PATH 16
-
- typedef union Xmapval { /* value passed to the Xkey routines */
- KEYCMD cmd;
- Char *str;
- } XmapVal;
-
- #define XK_NOD -1 /* Internal tree node */
- #define XK_CMD 0 /* X-key was an editor command */
- #define XK_STR 1 /* X-key was a string macro */
- #define XK_EXE 2 /* X-key was a unix command */
-
- /****************************/
- /* Editor state and buffers */
- /****************************/
-
- EXTERN KEYCMD *CurrentKeyMap; /* current command key map */
- EXTERN int inputmode; /* insert, replace, replace1 mode */
- EXTERN Char GettingInput; /* true if getting an input line (mostly) */
- EXTERN Char NeedsRedraw; /* for editor and twenex error messages */
- EXTERN Char InputBuf[INBUFSIZE]; /* the real input data */
- EXTERN Char *LastChar, *Cursor; /* point to the next open space */
- EXTERN Char *InputLim; /* limit of size of InputBuf */
- EXTERN Char MetaNext; /* flags for ^V and ^[ functions */
- EXTERN Char AltKeyMap; /* Using alternative command map (for vi mode) */
- EXTERN Char VImode; /* true if running in vi mode (PWP 6-27-88) */
- EXTERN Char *Mark; /* the emacs "mark" (dot is Cursor) */
- EXTERN Char DoingArg; /* true if we have an argument */
- EXTERN int Argument; /* "universal" argument value */
- EXTERN KEYCMD LastCmd; /* previous command executed */
- EXTERN Char KillBuf[INBUFSIZE]; /* kill buffer */
- EXTERN Char *LastKill; /* points to end of kill buffer */
-
- EXTERN Char UndoBuf[INBUFSIZE];
- EXTERN Char *UndoPtr;
- EXTERN int UndoSize;
- EXTERN int UndoAction;
-
- EXTERN Char HistBuf[INBUFSIZE]; /* history buffer */
- EXTERN Char *LastHist; /* points to end of history buffer */
- EXTERN int Hist_num; /* what point up the history we are at now. */
- EXTERN Char WhichBuf[INBUFSIZE]; /* buffer for which command */
- EXTERN Char *LastWhich; /* points to end of which buffer */
- EXTERN Char *CursWhich; /* points to the cursor point in which buf */
- EXTERN int HistWhich; /* Hist_num is saved in this */
- EXTERN Char *SearchPrompt; /* points to string that holds search prompt */
- EXTERN Char DoingSearch; /* true if we are doing a history search */
- EXTERN char Expand; /* true if we are expanding a line */
- EXTERN Char HistLit; /* true if history lines are shown literal */
- EXTERN Char CurrentHistLit; /* Literal status of current show history line */
-
- /*
- * These are truly extern
- */
- extern Char PromptBuf[];
- extern int MacroLvl;
-
- EXTERN Char *KeyMacro[MAXMACROLEVELS];
-
- EXTERN Char **Display; /* display buffer seed vector */
- EXTERN int CursorV, /* real cursor vertical (line) */
- CursorH, /* real cursor horisontal (column) */
- TermV, /* number of real screen lines
- * (sizeof(DisplayBuf) / width */
- TermH; /* screen width */
- EXTERN Char **Vdisplay; /* new buffer */
-
- /* Variables that describe terminal ability */
- EXTERN int T_Lines, T_Cols; /* Rows and Cols of the terminal */
- EXTERN Char T_CanIns; /* true if I can insert characters */
- EXTERN Char T_CanDel; /* dito for delete characters */
- EXTERN Char T_Tabs; /* true if tty interface is passing tabs */
- EXTERN speed_t T_Speed; /* Tty input Baud rate */
- EXTERN Char T_CanCEOL; /* true if we can clear to end of line */
- EXTERN Char T_CanUP; /* true if this term can do reverse linefeen */
- EXTERN Char T_HasMeta; /* true if we have a meta key */
-
- /* note the extra characters in the Strchr() call in this macro */
- #define isword(c) (Isalpha(c)||Isdigit(c)||Strchr(word_chars,c))
- #define min(x,y) (((x)<(y))?(x):(y))
- #define max(x,y) (((x)>(y))?(x):(y))
-
- /*
- * Terminal dependend data structures
- */
- typedef struct {
- #if defined(POSIX) || defined(TERMIO)
- # ifdef POSIX
- struct termios d_t;
- # else
- struct termio d_t;
- # endif /* POSIX */
- #else /* SGTTY */
- # ifdef TIOCGETP
- struct sgttyb d_t;
- # endif /* TIOCGETP */
- # ifdef TIOCGETC
- struct tchars d_tc;
- # endif /* TIOCGETC */
- # ifdef TIOCGPAGE
- struct ttypagestat d_pc;
- # endif /* TIOCGPAGE */
- # ifdef TIOCLGET
- int d_lb;
- # endif /* TIOCLGET */
- #endif /* POSIX || TERMIO */
- #ifdef TIOCGLTC
- struct ltchars d_ltc;
- #endif /* TIOCGLTC */
- } ttydata_t;
-
- #define MODE_INSERT 0
- #define MODE_REPLACE 1
- #define MODE_REPLACE_1 2
-
- #define EX_IO 0 /* while we are executing */
- #define ED_IO 1 /* while we are editing */
- #define TS_IO 2 /* new mode from terminal */
- #define QU_IO 2 /* used only for quoted chars */
- #define NN_IO 3 /* The number of entries */
-
- #if defined(POSIX) || defined(TERMIO)
- # define M_INPUT 0
- # define M_OUTPUT 1
- # define M_CONTROL 2
- # define M_LINED 3
- # define M_CHAR 4
- # define M_NN 5
- #else /* GSTTY */
- # define M_CONTROL 0
- # define M_LOCAL 1
- # define M_CHAR 2
- # define M_NN 3
- #endif /* TERMIO */
- typedef struct {
- char *t_name;
- int t_setmask;
- int t_clrmask;
- } ttyperm_t[NN_IO][M_NN];
-
- extern ttyperm_t ttylist;
- #include "ed.decls.h"
-
- #endif /* _h_ed */
-