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Diffstat (limited to 'ed.h')
| -rw-r--r-- | ed.h | 250 |
1 files changed, 250 insertions, 0 deletions
@@ -0,0 +1,250 @@ +/* $Header: /p/tcsh/cvsroot/tcsh/ed.h,v 3.49 2006/08/23 15:03:13 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. 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 MAXMACROLEVELS 10 /* max number of nested kbd macros */ + +#ifndef WINNT_NATIVE +# define NT_NUM_KEYS 256 +#endif /* WINNT_NATIVE */ + +/****************************************************************************/ +/* 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) (Char); /* pointer to function returning CCRETVAL */ + +struct KeyFuncs { /* for the "bind" shell command */ + const char *name; /* function name for bind command */ + int func; /* function numeric value */ + const char *desc; /* 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 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 +#define CC_LIST_ALL 17 +#define CC_COMPLETE_ALL 18 +#define CC_COMPLETE_FWD 19 +#define CC_COMPLETE_BACK 20 +#define CC_NORMALIZE_COMMAND 21 + +typedef struct { + Char *buf; + int len; +} CStr; + +typedef union { /* value passed to the Xkey routines */ + KEYCMD cmd; + CStr 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 *//*FIXBUF*/ +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 MarkIsSet; /* true if the mark has been set explicitly */ +EXTERN Char DoingArg; /* true if we have an argument */ +EXTERN int Argument; /* "universal" argument value */ +EXTERN KEYCMD LastCmd; /* previous command executed */ +EXTERN CStr *KillRing; /* kill ring */ +EXTERN int KillRingMax; /* max length of kill ring */ +EXTERN int KillRingLen; /* current length of kill ring */ +EXTERN int KillPos; /* points to next kill */ +EXTERN int YankPos; /* points to next yank */ + +EXTERN Char UndoBuf[INBUFSIZE];/*FIXBUF*/ +EXTERN Char *UndoPtr; +EXTERN int UndoSize; +EXTERN int UndoAction; + +EXTERN struct Strbuf HistBuf; /* = Strbuf_INIT; history buffer */ +EXTERN int Hist_num; /* what point up the history we are at now. */ +/* buffer for which command and others */ +EXTERN struct Strbuf SavedBuf; /* = Strbuf_INIT; */ +EXTERN size_t LastSaved; /* points to end of saved buffer */ +EXTERN size_t CursSaved; /* points to the cursor point in saved buf */ +EXTERN int HistSaved; /* Hist_num is saved in this */ +EXTERN char RestoreSaved; /* true if SavedBuf should be restored */ +EXTERN int IncMatchLen; /* current match length during incremental 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 */ +extern int Tty_raw_mode; + +/* + * These are truly extern + */ +extern int MacroLvl; +extern Char *litptr; /* Entries start at offsets divisible by LIT_FACTOR */ +#define LIT_FACTOR 4 +extern int didsetty; + +EXTERN Char *KeyMacro[MAXMACROLEVELS]; + +/* CHAR_DBWIDTH in Display and Vdisplay means the non-first column of a character + that is wider than one "regular" position. The cursor should never point + in the middle of a multiple-column character. */ +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 char T_Margin; +#define MARGIN_AUTO 1 /* term has auto margins */ +#define MARGIN_MAGIC 2 /* concept glitch */ +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)) + +#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 { + const char *t_name; + unsigned int t_setmask; + unsigned int t_clrmask; +} ttyperm_t[NN_IO][M_NN]; + +extern ttyperm_t ttylist; +#include "ed.term.h" +#include "ed.decls.h" + +#ifndef POSIX +/* + * We don't prototype these, cause some systems have them wrong! + */ +extern int tgetent (); +extern char *tgetstr (); +extern int tgetflag (); +extern int tgetnum (); +extern char *tgoto (); +# define PUTPURE putpure +# define PUTRAW putraw +#else +extern int tgetent (char *, const char *); +extern char *tgetstr (const char *, char **); +extern int tgetflag (const char *); +extern int tgetnum (const char *); +extern char *tgoto (const char *, int, int); +extern void tputs (const char *, int, void (*)(int)); +# define PUTPURE ((void (*)(int)) putpure) +# define PUTRAW ((void (*)(int)) putraw) +#endif + +#endif /* _h_ed */ |
