/* $OpenBSD: def.h,v 1.27 2002/02/14 13:41:44 deraadt Exp $ */ /* * This file is the general header file for all parts * of the Mg display editor. It contains all of the * general definitions and macros. It also contains some * conditional compilation flags. All of the per-system and * per-terminal definitions are in special header files. * The most common reason to edit this file would be to zap * the definition of CVMVAS or BACKUP. */ #include "sysdef.h" /* Order is critical. */ #include "ttydef.h" #include "chrdef.h" #ifdef NO_MACRO #ifndef NO_STARTUP #define NO_STARTUP /* NO_MACRO implies NO_STARTUP */ #endif #endif typedef int (*PF)(); /* generally useful type */ /* * Table sizes, etc. */ #define NFILEN 1024 /* Length, file name. */ #define NBUFN NFILEN /* Length, buffer name. */ #define NLINE 256 /* Length, line. */ #define PBMODES 4 /* modes per buffer */ #define NKBDM 256 /* Length, keyboard macro. */ #define NPAT 80 /* Length, pattern. */ #define HUGE 1000 /* A rather large number. */ #define NSRCH 128 /* Undoable search commands. */ #define NXNAME 64 /* Length, extended command. */ #define NKNAME 20 /* Length, key names */ /* * Universal. */ #define FALSE 0 /* False, no, bad, etc. */ #define TRUE 1 /* True, yes, good, etc. */ #define ABORT 2 /* Death, ^G, abort, etc. */ #define KPROMPT 2 /* keyboard prompt */ /* * These flag bits keep track of * some aspects of the last command. The CFCPCN * flag controls goal column setting. The CFKILL * flag controls the clearing versus appending * of data in the kill buffer. */ #define CFCPCN 0x0001 /* Last command was C-P, C-N */ #define CFKILL 0x0002 /* Last command was a kill */ #define CFINS 0x0004 /* Last command was self-insert */ /* * File I/O. */ #define FIOSUC 0 /* Success. */ #define FIOFNF 1 /* File not found. */ #define FIOEOF 2 /* End of file. */ #define FIOERR 3 /* Error. */ #define FIOLONG 4 /* long line partially read */ /* * Directory I/O. */ #define DIOSUC 0 /* Success. */ #define DIOEOF 1 /* End of file. */ #define DIOERR 2 /* Error. */ /* * Display colors. */ #define CNONE 0 /* Unknown color. */ #define CTEXT 1 /* Text color. */ #define CMODE 2 /* Mode line color. */ /* * Flags for keyboard invoked functions. */ #define FFUNIV 1 /* universal argument */ #define FFNEGARG 2 /* negative only argument */ #define FFOTHARG 4 /* other argument */ #define FFARG 7 /* any argument */ #define FFRAND 8 /* Called by other function */ /* * Flags for "eread". */ #define EFFUNC 0x0001 /* Autocomplete functions. */ #define EFBUF 0x0002 /* Autocomplete buffers. */ #define EFFILE 0x0004 /* " files (maybe someday) */ #define EFAUTO 0x0007 /* Some autocompleteion on */ #define EFNEW 0x0008 /* New prompt. */ #define EFCR 0x0010 /* Echo CR at end; last read. */ #define EFDEF 0x0020 /* buffer contains default args */ /* * Flags for "ldelete"/"kinsert" */ #define KNONE 0 #define KFORW 1 #define KBACK 2 /* * All text is kept in circularly linked * lists of "LINE" structures. These begin at the * header line (which is the blank line beyond the * end of the buffer). This line is pointed to by * the "BUFFER". Each line contains a the number of * bytes in the line (the "used" size), the size * of the text array, and the text. The end of line * is not stored as a byte; it's implied. Future * additions will include update hints, and a * list of marks into the line. */ typedef struct LINE { struct LINE *l_fp; /* Link to the next line */ struct LINE *l_bp; /* Link to the previous line */ int l_size; /* Allocated size */ int l_used; /* Used size */ char *l_text; /* Content of the line */ } LINE; /* * The rationale behind these macros is that you * could (with some editing, like changing the type of a line * link from a "LINE *" to a "REFLINE", and fixing the commands * like file reading that break the rules) change the actual * storage representation of lines to use something fancy on * machines with small address spaces. */ #define lforw(lp) ((lp)->l_fp) #define lback(lp) ((lp)->l_bp) #define lgetc(lp, n) (CHARMASK((lp)->l_text[(n)])) #define lputc(lp, n, c) ((lp)->l_text[(n)]=(c)) #define llength(lp) ((lp)->l_used) #define ltext(lp) ((lp)->l_text) /* * All repeated structures are kept as linked lists of structures. * All of these start with a LIST structure (except lines, which * have their own abstraction). This will allow for * later conversion to generic list manipulation routines should * I decide to do that. it does mean that there are four extra * bytes per window. I feel that this is an acceptable price, * considering that there are usually only one or two windows. */ typedef struct LIST { union { struct MGWIN *l_wp; struct BUFFER *x_bp; /* l_bp is used by LINE */ struct LIST *l_nxt; } l_p; char *l_name; } LIST; /* * Usual hack - to keep from uglifying the code with lotsa * references through the union, we #define something for it. */ #define l_next l_p.l_nxt /* * There is a window structure allocated for * every active display window. The windows are kept in a * big list, in top to bottom screen order, with the listhead at * "wheadp". Each window contains its own values of dot and mark. * The flag field contains some bits that are set by commands * to guide redisplay; although this is a bit of a compromise in * terms of decoupling, the full blown redisplay is just too * expensive to run for every input character. */ typedef struct MGWIN { LIST w_list; /* List header */ struct BUFFER *w_bufp; /* Buffer displayed in window */ struct LINE *w_linep; /* Top line in the window */ struct LINE *w_dotp; /* Line containing "." */ struct LINE *w_markp; /* Line containing "mark" */ int w_doto; /* Byte offset for "." */ int w_marko; /* Byte offset for "mark" */ char w_toprow; /* Origin 0 top row of window */ char w_ntrows; /* # of rows of text in window */ char w_force; /* If NZ, forcing row. */ char w_flag; /* Flags. */ } MGWIN; #define w_wndp w_list.l_p.l_wp #define w_name w_list.l_name /* * Window flags are set by command processors to * tell the display system what has happened to the buffer * mapped by the window. Setting "WFHARD" is always a safe thing * to do, but it may do more work than is necessary. Always try * to set the simplest action that achieves the required update. * Because commands set bits in the "w_flag", update will see * all change flags, and do the most general one. */ #define WFFORCE 0x01 /* Force reframe. */ #define WFMOVE 0x02 /* Movement from line to line. */ #define WFEDIT 0x04 /* Editing within a line. */ #define WFHARD 0x08 /* Better to a full display. */ #define WFMODE 0x10 /* Update mode line. */ /* * Text is kept in buffers. A buffer header, described * below, exists for every buffer in the system. The buffers are * kept in a big list, so that commands that search for a buffer by * name can find the buffer header. There is a safe store for the * dot and mark in the header, but this is only valid if the buffer * is not being displayed (that is, if "b_nwnd" is 0). The text for * the buffer is kept in a circularly linked list of lines, with * a pointer to the header line in "b_linep". */ typedef struct BUFFER { LIST b_list; /* buffer list pointer */ struct BUFFER *b_altb; /* Link to alternate buffer */ struct LINE *b_dotp; /* Link to "." LINE structure */ struct LINE *b_markp; /* ditto for mark */ struct LINE *b_linep; /* Link to the header LINE */ struct MAPS_S *b_modes[PBMODES]; /* buffer modes */ int b_doto; /* Offset of "." in above LINE */ int b_marko; /* ditto for the "mark" */ short b_nmodes; /* number of non-fundamental modes */ char b_nwnd; /* Count of windows on buffer */ char b_flag; /* Flags */ char b_fname[NFILEN];/* File name */ struct fileinfo b_fi; /* File attributes */ } BUFFER; #define b_bufp b_list.l_p.x_bp #define b_bname b_list.l_name #define BFCHG 0x01 /* Changed. */ #define BFBAK 0x02 /* Need to make a backup. */ #ifdef NOTAB #define BFNOTAB 0x04 /* no tab mode */ #endif #define BFOVERWRITE 0x08 /* overwrite mode */ /* * This structure holds the starting position * (as a line/offset pair) and the number of characters in a * region of a buffer. This makes passing the specification * of a region around a little bit easier. */ typedef struct { struct LINE *r_linep; /* Origin LINE address. */ int r_offset; /* Origin LINE offset. */ RSIZE r_size; /* Length in characters. */ } REGION; /* * Prototypes. */ /* tty.c X */ void ttinit __P((void)); void ttreinit __P((void)); void tttidy __P((void)); void ttmove __P((int, int)); void tteeol __P((void)); void tteeop __P((void)); void ttbeep __P((void)); void ttinsl __P((int, int, int)); void ttdell __P((int, int, int)); void ttwindow __P((int, int)); void ttnowindow __P((void)); void ttcolor __P((int)); void ttresize __P((void)); /* ttyio.c */ void ttopen __P((void)); int ttraw __P((void)); void ttclose __P((void)); int ttcooked __P((void)); int ttputc __P((int)); void ttflush __P((void)); int ttgetc __P((void)); int ttwait __P((int)); int typeahead __P((void)); /* dir.c */ void dirinit __P((void)); int changedir __P((int, int)); int showcwdir __P((int, int)); /* dired.c */ int dired __P((int, int)); int d_otherwindow __P((int, int)); int d_undel __P((int, int)); int d_undelbak __P((int, int)); int d_findfile __P((int, int)); int d_ffotherwindow __P((int, int)); int d_expunge __P((int, int)); int d_copy __P((int, int)); int d_del __P((int, int)); int d_rename __P((int, int)); /* file.c X */ int fileinsert __P((int, int)); int filevisit __P((int, int)); int poptofile __P((int, int)); BUFFER *findbuffer __P((char *)); int readin __P((char *)); int insertfile __P((char *, char *, int)); int filewrite __P((int, int)); int filesave __P((int, int)); int buffsave __P((BUFFER *)); int makebkfile __P((int, int)); int writeout __P((BUFFER *, char *)); void upmodes __P((BUFFER *)); /* line.c X */ LINE *lalloc __P((int)); int lrealloc __P((LINE *, int)); void lfree __P((LINE *)); void lchange __P((int)); int linsert __P((int, int)); int lnewline __P((void)); int ldelete __P((RSIZE, int)); int ldelnewline __P((void)); int lreplace __P((RSIZE, char *, int)); void kdelete __P((void)); int kinsert __P((int, int)); int kremove __P((int)); /* window.c X */ int reposition __P((int, int)); int refresh __P((int, int)); int nextwind __P((int, int)); int prevwind __P((int, int)); int onlywind __P((int, int)); int splitwind __P((int, int)); int enlargewind __P((int, int)); int shrinkwind __P((int, int)); int delwind __P((int, int)); MGWIN *wpopup __P((void)); /* buffer.c */ BUFFER *bfind __P((char *, int)); int poptobuffer __P((int, int)); int killbuffer __P((int, int)); int savebuffers __P((int, int)); int listbuffers __P((int, int)); int addlinef __P((BUFFER *, char *, ...)); #define addline(bp, text) addlinef(bp, "%s", text) int anycb __P((int)); int bclear __P((BUFFER *)); int showbuffer __P((BUFFER *, MGWIN *, int)); MGWIN *popbuf __P((BUFFER *)); int bufferinsert __P((int, int)); int usebuffer __P((int, int)); int notmodified __P((int, int)); int popbuftop __P((BUFFER *)); /* display.c */ int vtresize __P((int, int, int)); void vtinit __P((void)); void vttidy __P((void)); void update __P((void)); /* echo.c X */ void eerase __P((void)); int eyorn __P((char *)); int eyesno __P((char *)); void ewprintf __P((const char *fmt, ...)); int ereply __P((const char *, char *, int, ...)); int eread __P((const char *, char *, int, int, ...)); int getxtra __P((LIST *, LIST *, int, int)); void free_file_list __P((LIST *)); /* fileio.c */ int ffropen __P((char *, BUFFER *)); int ffwopen __P((char *, BUFFER *)); int ffclose __P((BUFFER *)); int ffputbuf __P((BUFFER *)); int ffgetline __P((char *, int, int *)); int fbackupfile __P((char *)); char *adjustname __P((char *)); char *startupfile __P((char *)); int copy __P((char *, char *)); BUFFER *dired_ __P((char *)); int d_makename __P((LINE *, char *)); LIST *make_file_list __P((char *)); /* kbd.c X */ int do_meta __P((int, int)); int bsmap __P((int, int)); void ungetkey __P((int)); int getkey __P((int)); int doin __P((void)); int rescan __P((int, int)); int universal_argument __P((int, int)); int digit_argument __P((int, int)); int negative_argument __P((int, int)); int selfinsert __P((int, int)); int quote __P((int, int)); /* main.c */ int ctrlg __P((int, int)); int quit __P((int, int)); /* ttyio.c */ void panic __P((char *)); /* cinfo.c */ char *keyname __P((char *, size_t, int)); /* basic.c */ int gotobol __P((int, int)); int backchar __P((int, int)); int gotoeol __P((int, int)); int forwchar __P((int, int)); int gotobob __P((int, int)); int gotoeob __P((int, int)); int forwline __P((int, int)); int backline __P((int, int)); void setgoal __P((void)); int getgoal __P((LINE *)); int forwpage __P((int, int)); int backpage __P((int, int)); int forw1page __P((int, int)); int back1page __P((int, int)); int pagenext __P((int, int)); void isetmark __P((void)); int setmark __P((int, int)); int swapmark __P((int, int)); int gotoline __P((int, int)); /* random.c X */ int showcpos __P((int, int)); int getcolpos __P((void)); int twiddle __P((int, int)); int openline __P((int, int)); int newline __P((int, int)); int deblank __P((int, int)); int justone __P((int, int)); int delwhite __P((int, int)); int indent __P((int, int)); int forwdel __P((int, int)); int backdel __P((int, int)); int killline __P((int, int)); int yank __P((int, int)); int space_to_tabstop __P((int, int)); /* extend.c X */ int insert __P((int, int)); int bindtokey __P((int, int)); int localbind __P((int, int)); int define_key __P((int, int)); int unbindtokey __P((int, int)); int localunbind __P((int, int)); int extend __P((int, int)); int evalexpr __P((int, int)); int evalbuffer __P((int, int)); int evalfile __P((int, int)); int load __P((char *)); int excline __P((char *)); /* help.c X */ int desckey __P((int, int)); int wallchart __P((int, int)); int help_help __P((int, int)); int apropos_command __P((int, int)); /* paragraph.c X */ int gotobop __P((int, int)); int gotoeop __P((int, int)); int fillpara __P((int, int)); int killpara __P((int, int)); int fillword __P((int, int)); int setfillcol __P((int, int)); /* word.c X */ int backword __P((int, int)); int forwword __P((int, int)); int upperword __P((int, int)); int lowerword __P((int, int)); int capword __P((int, int)); int delfword __P((int, int)); int delbword __P((int, int)); int inword __P((void)); /* region.c X */ int killregion __P((int, int)); int copyregion __P((int, int)); int lowerregion __P((int, int)); int upperregion __P((int, int)); int prefixregion __P((int, int)); int setprefix __P((int, int)); /* search.c X */ int forwsearch __P((int, int)); int backsearch __P((int, int)); int searchagain __P((int, int)); int forwisearch __P((int, int)); int backisearch __P((int, int)); int queryrepl __P((int, int)); int forwsrch __P((void)); int backsrch __P((void)); int readpattern __P((char *)); /* spawn.c X */ int spawncli __P((int, int)); /* ttykbd.c X */ void ttykeymapinit __P((void)); void ttykeymaptidy __P((void)); /* match.c X */ int showmatch __P((int, int)); /* version.c X */ int showversion __P((int, int)); #ifndef NO_MACRO /* macro.c X */ int definemacro __P((int, int)); int finishmacro __P((int, int)); int executemacro __P((int, int)); #endif /* !NO_MACRO */ /* modes.c X */ int indentmode __P((int, int)); int fillmode __P((int, int)); int blinkparen __P((int, int)); #ifdef NOTAB int notabmode __P((int, int)); #endif /* NOTAB */ int overwrite __P((int, int)); int set_default_mode __P((int,int)); #ifdef REGEX /* re_search.c X */ int re_forwsearch __P((int, int)); int re_backsearch __P((int, int)); int re_searchagain __P((int, int)); int re_queryrepl __P((int, int)); int setcasefold __P((int, int)); int delmatchlines __P((int, int)); int delnonmatchlines __P((int, int)); int cntmatchlines __P((int, int)); int cntnonmatchlines __P((int, int)); #endif /* REGEX */ /* * Externals. */ extern BUFFER *bheadp; extern BUFFER *curbp; extern MGWIN *curwp; extern MGWIN *wheadp; extern int thisflag; extern int lastflag; extern int curgoal; extern int epresf; extern int sgarbf; extern int mode; extern int nrow; extern int ncol; extern int ttrow; extern int ttcol; extern int tttop; extern int ttbot; extern int tthue; extern int defb_nmodes; extern int defb_flag; extern const char cinfo[]; extern char *keystrings[]; extern char pat[NPAT]; #ifndef NO_DPROMPT extern char prompt[]; #endif /* !NO_DPROMPT */ /* * Globals. */ int tceeol; int tcinsl; int tcdell;