Annotation of src/usr.bin/mg/def.h, Revision 1.29
1.29 ! millert 1: /* $OpenBSD: def.h,v 1.28 2002/02/14 22:58:20 vincent Exp $ */
1.6 niklas 2:
1.1 deraadt 3: /*
4: * This file is the general header file for all parts
1.4 millert 5: * of the Mg display editor. It contains all of the
1.1 deraadt 6: * general definitions and macros. It also contains some
7: * conditional compilation flags. All of the per-system and
8: * per-terminal definitions are in special header files.
9: * The most common reason to edit this file would be to zap
10: * the definition of CVMVAS or BACKUP.
11: */
1.4 millert 12: #include "sysdef.h" /* Order is critical. */
1.1 deraadt 13: #include "ttydef.h"
14: #include "chrdef.h"
15:
16: #ifdef NO_MACRO
17: #ifndef NO_STARTUP
1.4 millert 18: #define NO_STARTUP /* NO_MACRO implies NO_STARTUP */
1.1 deraadt 19: #endif
20: #endif
21:
1.18 mickey 22: typedef int (*PF)(); /* generally useful type */
1.1 deraadt 23:
24: /*
25: * Table sizes, etc.
26: */
1.7 art 27: #define NFILEN 1024 /* Length, file name. */
28: #define NBUFN NFILEN /* Length, buffer name. */
1.4 millert 29: #define NLINE 256 /* Length, line. */
30: #define PBMODES 4 /* modes per buffer */
31: #define NKBDM 256 /* Length, keyboard macro. */
32: #define NPAT 80 /* Length, pattern. */
33: #define HUGE 1000 /* A rather large number. */
34: #define NSRCH 128 /* Undoable search commands. */
35: #define NXNAME 64 /* Length, extended command. */
36: #define NKNAME 20 /* Length, key names */
1.1 deraadt 37: /*
38: * Universal.
39: */
1.4 millert 40: #define FALSE 0 /* False, no, bad, etc. */
41: #define TRUE 1 /* True, yes, good, etc. */
42: #define ABORT 2 /* Death, ^G, abort, etc. */
1.1 deraadt 43:
1.4 millert 44: #define KPROMPT 2 /* keyboard prompt */
1.1 deraadt 45:
46: /*
47: * These flag bits keep track of
48: * some aspects of the last command. The CFCPCN
49: * flag controls goal column setting. The CFKILL
50: * flag controls the clearing versus appending
51: * of data in the kill buffer.
52: */
1.4 millert 53: #define CFCPCN 0x0001 /* Last command was C-P, C-N */
54: #define CFKILL 0x0002 /* Last command was a kill */
55: #define CFINS 0x0004 /* Last command was self-insert */
1.1 deraadt 56:
57: /*
58: * File I/O.
59: */
1.4 millert 60: #define FIOSUC 0 /* Success. */
61: #define FIOFNF 1 /* File not found. */
62: #define FIOEOF 2 /* End of file. */
63: #define FIOERR 3 /* Error. */
64: #define FIOLONG 4 /* long line partially read */
1.1 deraadt 65:
66: /*
67: * Directory I/O.
68: */
1.4 millert 69: #define DIOSUC 0 /* Success. */
70: #define DIOEOF 1 /* End of file. */
71: #define DIOERR 2 /* Error. */
1.1 deraadt 72:
73: /*
74: * Display colors.
75: */
1.4 millert 76: #define CNONE 0 /* Unknown color. */
77: #define CTEXT 1 /* Text color. */
78: #define CMODE 2 /* Mode line color. */
79:
80: /*
1.22 millert 81: * Flags for keyboard invoked functions.
1.4 millert 82: */
83: #define FFUNIV 1 /* universal argument */
1.27 deraadt 84: #define FFNEGARG 2 /* negative only argument */
1.4 millert 85: #define FFOTHARG 4 /* other argument */
86: #define FFARG 7 /* any argument */
87: #define FFRAND 8 /* Called by other function */
1.1 deraadt 88:
89: /*
90: * Flags for "eread".
91: */
1.4 millert 92: #define EFFUNC 0x0001 /* Autocomplete functions. */
93: #define EFBUF 0x0002 /* Autocomplete buffers. */
94: #define EFFILE 0x0004 /* " files (maybe someday) */
95: #define EFAUTO 0x0007 /* Some autocompleteion on */
96: #define EFNEW 0x0008 /* New prompt. */
97: #define EFCR 0x0010 /* Echo CR at end; last read. */
1.20 art 98: #define EFDEF 0x0020 /* buffer contains default args */
1.1 deraadt 99:
100: /*
101: * Flags for "ldelete"/"kinsert"
102: */
103: #define KNONE 0
104: #define KFORW 1
105: #define KBACK 2
106:
107: /*
108: * All text is kept in circularly linked
109: * lists of "LINE" structures. These begin at the
110: * header line (which is the blank line beyond the
111: * end of the buffer). This line is pointed to by
112: * the "BUFFER". Each line contains a the number of
113: * bytes in the line (the "used" size), the size
114: * of the text array, and the text. The end of line
115: * is not stored as a byte; it's implied. Future
116: * additions will include update hints, and a
117: * list of marks into the line.
118: */
1.4 millert 119: typedef struct LINE {
1.18 mickey 120: struct LINE *l_fp; /* Link to the next line */
121: struct LINE *l_bp; /* Link to the previous line */
122: int l_size; /* Allocated size */
123: int l_used; /* Used size */
1.26 vincent 124: char *l_text; /* Content of the line */
1.4 millert 125: } LINE;
1.1 deraadt 126:
127: /*
128: * The rationale behind these macros is that you
129: * could (with some editing, like changing the type of a line
130: * link from a "LINE *" to a "REFLINE", and fixing the commands
131: * like file reading that break the rules) change the actual
132: * storage representation of lines to use something fancy on
133: * machines with small address spaces.
134: */
135: #define lforw(lp) ((lp)->l_fp)
136: #define lback(lp) ((lp)->l_bp)
137: #define lgetc(lp, n) (CHARMASK((lp)->l_text[(n)]))
138: #define lputc(lp, n, c) ((lp)->l_text[(n)]=(c))
139: #define llength(lp) ((lp)->l_used)
140: #define ltext(lp) ((lp)->l_text)
141:
142: /*
143: * All repeated structures are kept as linked lists of structures.
144: * All of these start with a LIST structure (except lines, which
145: * have their own abstraction). This will allow for
146: * later conversion to generic list manipulation routines should
147: * I decide to do that. it does mean that there are four extra
148: * bytes per window. I feel that this is an acceptable price,
149: * considering that there are usually only one or two windows.
150: */
151: typedef struct LIST {
152: union {
1.18 mickey 153: struct MGWIN *l_wp;
154: struct BUFFER *x_bp; /* l_bp is used by LINE */
155: struct LIST *l_nxt;
1.1 deraadt 156: } l_p;
1.4 millert 157: char *l_name;
1.1 deraadt 158: } LIST;
1.4 millert 159:
1.1 deraadt 160: /*
161: * Usual hack - to keep from uglifying the code with lotsa
162: * references through the union, we #define something for it.
163: */
164: #define l_next l_p.l_nxt
165:
166: /*
167: * There is a window structure allocated for
168: * every active display window. The windows are kept in a
169: * big list, in top to bottom screen order, with the listhead at
170: * "wheadp". Each window contains its own values of dot and mark.
171: * The flag field contains some bits that are set by commands
172: * to guide redisplay; although this is a bit of a compromise in
173: * terms of decoupling, the full blown redisplay is just too
174: * expensive to run for every input character.
175: */
1.4 millert 176: typedef struct MGWIN {
1.18 mickey 177: LIST w_list; /* List header */
178: struct BUFFER *w_bufp; /* Buffer displayed in window */
179: struct LINE *w_linep; /* Top line in the window */
180: struct LINE *w_dotp; /* Line containing "." */
181: struct LINE *w_markp; /* Line containing "mark" */
182: int w_doto; /* Byte offset for "." */
183: int w_marko; /* Byte offset for "mark" */
184: char w_toprow; /* Origin 0 top row of window */
185: char w_ntrows; /* # of rows of text in window */
186: char w_force; /* If NZ, forcing row. */
187: char w_flag; /* Flags. */
1.4 millert 188: } MGWIN;
1.1 deraadt 189: #define w_wndp w_list.l_p.l_wp
190: #define w_name w_list.l_name
191:
192: /*
193: * Window flags are set by command processors to
194: * tell the display system what has happened to the buffer
195: * mapped by the window. Setting "WFHARD" is always a safe thing
196: * to do, but it may do more work than is necessary. Always try
197: * to set the simplest action that achieves the required update.
198: * Because commands set bits in the "w_flag", update will see
199: * all change flags, and do the most general one.
200: */
1.4 millert 201: #define WFFORCE 0x01 /* Force reframe. */
202: #define WFMOVE 0x02 /* Movement from line to line. */
203: #define WFEDIT 0x04 /* Editing within a line. */
204: #define WFHARD 0x08 /* Better to a full display. */
205: #define WFMODE 0x10 /* Update mode line. */
1.1 deraadt 206:
207: /*
208: * Text is kept in buffers. A buffer header, described
209: * below, exists for every buffer in the system. The buffers are
210: * kept in a big list, so that commands that search for a buffer by
211: * name can find the buffer header. There is a safe store for the
212: * dot and mark in the header, but this is only valid if the buffer
213: * is not being displayed (that is, if "b_nwnd" is 0). The text for
214: * the buffer is kept in a circularly linked list of lines, with
215: * a pointer to the header line in "b_linep".
216: */
1.4 millert 217: typedef struct BUFFER {
1.18 mickey 218: LIST b_list; /* buffer list pointer */
219: struct BUFFER *b_altb; /* Link to alternate buffer */
220: struct LINE *b_dotp; /* Link to "." LINE structure */
221: struct LINE *b_markp; /* ditto for mark */
222: struct LINE *b_linep; /* Link to the header LINE */
223: struct MAPS_S *b_modes[PBMODES]; /* buffer modes */
224: int b_doto; /* Offset of "." in above LINE */
225: int b_marko; /* ditto for the "mark" */
226: short b_nmodes; /* number of non-fundamental modes */
227: char b_nwnd; /* Count of windows on buffer */
228: char b_flag; /* Flags */
229: char b_fname[NFILEN];/* File name */
230: struct fileinfo b_fi; /* File attributes */
1.4 millert 231: } BUFFER;
1.1 deraadt 232: #define b_bufp b_list.l_p.x_bp
233: #define b_bname b_list.l_name
234:
1.4 millert 235: #define BFCHG 0x01 /* Changed. */
236: #define BFBAK 0x02 /* Need to make a backup. */
1.1 deraadt 237: #ifdef NOTAB
1.4 millert 238: #define BFNOTAB 0x04 /* no tab mode */
1.1 deraadt 239: #endif
1.4 millert 240: #define BFOVERWRITE 0x08 /* overwrite mode */
1.1 deraadt 241:
242: /*
243: * This structure holds the starting position
244: * (as a line/offset pair) and the number of characters in a
245: * region of a buffer. This makes passing the specification
246: * of a region around a little bit easier.
247: */
1.4 millert 248: typedef struct {
1.18 mickey 249: struct LINE *r_linep; /* Origin LINE address. */
250: int r_offset; /* Origin LINE offset. */
251: RSIZE r_size; /* Length in characters. */
1.4 millert 252: } REGION;
253:
254: /*
255: * Prototypes.
256: */
257:
1.5 millert 258: /* tty.c X */
1.29 ! millert 259: void ttinit(void);
! 260: void ttreinit(void);
! 261: void tttidy(void);
! 262: void ttmove(int, int);
! 263: void tteeol(void);
! 264: void tteeop(void);
! 265: void ttbeep(void);
! 266: void ttinsl(int, int, int);
! 267: void ttdell(int, int, int);
! 268: void ttwindow(int, int);
! 269: void ttnowindow(void);
! 270: void ttcolor(int);
! 271: void ttresize(void);
1.4 millert 272:
273: /* ttyio.c */
1.29 ! millert 274: void ttopen(void);
! 275: int ttraw(void);
! 276: void ttclose(void);
! 277: int ttcooked(void);
! 278: int ttputc(int);
! 279: void ttflush(void);
! 280: int ttgetc(void);
! 281: int ttwait(int);
! 282: int typeahead(void);
1.4 millert 283:
284: /* dir.c */
1.29 ! millert 285: void dirinit(void);
! 286: int changedir(int, int);
! 287: int showcwdir(int, int);
1.4 millert 288:
289: /* dired.c */
1.29 ! millert 290: int dired(int, int);
! 291: int d_otherwindow(int, int);
! 292: int d_undel(int, int);
! 293: int d_undelbak(int, int);
! 294: int d_findfile(int, int);
! 295: int d_ffotherwindow(int, int);
! 296: int d_expunge(int, int);
! 297: int d_copy(int, int);
! 298: int d_del(int, int);
! 299: int d_rename(int, int);
1.5 millert 300:
301: /* file.c X */
1.29 ! millert 302: int fileinsert(int, int);
! 303: int filevisit(int, int);
! 304: int poptofile(int, int);
! 305: BUFFER *findbuffer(char *);
! 306: int readin(char *);
! 307: int insertfile(char *, char *, int);
! 308: int filewrite(int, int);
! 309: int filesave(int, int);
! 310: int buffsave(BUFFER *);
! 311: int makebkfile(int, int);
! 312: int writeout(BUFFER *, char *);
! 313: void upmodes(BUFFER *);
1.5 millert 314:
315: /* line.c X */
1.29 ! millert 316: LINE *lalloc(int);
! 317: int lrealloc(LINE *, int);
! 318: void lfree(LINE *);
! 319: void lchange(int);
! 320: int linsert(int, int);
! 321: int lnewline(void);
! 322: int ldelete(RSIZE, int);
! 323: int ldelnewline(void);
! 324: int lreplace(RSIZE, char *, int);
! 325: void kdelete(void);
! 326: int kinsert(int, int);
! 327: int kremove(int);
1.5 millert 328:
329: /* window.c X */
1.29 ! millert 330: int reposition(int, int);
! 331: int refresh(int, int);
! 332: int nextwind(int, int);
! 333: int prevwind(int, int);
! 334: int onlywind(int, int);
! 335: int splitwind(int, int);
! 336: int enlargewind(int, int);
! 337: int shrinkwind(int, int);
! 338: int delwind(int, int);
! 339: MGWIN *wpopup(void);
1.4 millert 340:
341: /* buffer.c */
1.29 ! millert 342: BUFFER *bfind(char *, int);
! 343: int poptobuffer(int, int);
! 344: int killbuffer(int, int);
! 345: int savebuffers(int, int);
! 346: int listbuffers(int, int);
! 347: int addlinef(BUFFER *, char *, ...);
1.12 art 348: #define addline(bp, text) addlinef(bp, "%s", text)
1.29 ! millert 349: int anycb(int);
! 350: int bclear(BUFFER *);
! 351: int showbuffer(BUFFER *, MGWIN *, int);
! 352: MGWIN *popbuf(BUFFER *);
! 353: int bufferinsert(int, int);
! 354: int usebuffer(int, int);
! 355: int notmodified(int, int);
! 356: int popbuftop(BUFFER *);
1.4 millert 357:
358: /* display.c */
1.29 ! millert 359: int vtresize(int, int, int);
! 360: void vtinit(void);
! 361: void vttidy(void);
! 362: void update(void);
1.5 millert 363:
364: /* echo.c X */
1.29 ! millert 365: void eerase(void);
! 366: int eyorn(char *);
! 367: int eyesno(char *);
! 368: void ewprintf(const char *fmt, ...);
! 369: int ereply(const char *, char *, int, ...);
! 370: int eread(const char *, char *, int, int, ...);
! 371: int getxtra(LIST *, LIST *, int, int);
! 372: void free_file_list(LIST *);
1.4 millert 373:
374: /* fileio.c */
1.29 ! millert 375: int ffropen(char *, BUFFER *);
! 376: int ffwopen(char *, BUFFER *);
! 377: int ffclose(BUFFER *);
! 378: int ffputbuf(BUFFER *);
! 379: int ffgetline(char *, int, int *);
! 380: int fbackupfile(char *);
! 381: char *adjustname(char *);
! 382: char *startupfile(char *);
! 383: int copy(char *, char *);
! 384: BUFFER *dired_(char *);
! 385: int d_makename(LINE *, char *, int);
! 386: LIST *make_file_list(char *);
1.4 millert 387:
1.5 millert 388: /* kbd.c X */
1.29 ! millert 389: int do_meta(int, int);
! 390: int bsmap(int, int);
! 391: void ungetkey(int);
! 392: int getkey(int);
! 393: int doin(void);
! 394: int rescan(int, int);
! 395: int universal_argument(int, int);
! 396: int digit_argument(int, int);
! 397: int negative_argument(int, int);
! 398: int selfinsert(int, int);
! 399: int quote(int, int);
1.4 millert 400:
401: /* main.c */
1.29 ! millert 402: int ctrlg(int, int);
! 403: int quit(int, int);
1.4 millert 404:
405: /* ttyio.c */
1.29 ! millert 406: void panic(char *);
1.4 millert 407:
408: /* cinfo.c */
1.29 ! millert 409: char *keyname(char *, size_t, int);
1.4 millert 410:
411: /* basic.c */
1.29 ! millert 412: int gotobol(int, int);
! 413: int backchar(int, int);
! 414: int gotoeol(int, int);
! 415: int forwchar(int, int);
! 416: int gotobob(int, int);
! 417: int gotoeob(int, int);
! 418: int forwline(int, int);
! 419: int backline(int, int);
! 420: void setgoal(void);
! 421: int getgoal(LINE *);
! 422: int forwpage(int, int);
! 423: int backpage(int, int);
! 424: int forw1page(int, int);
! 425: int back1page(int, int);
! 426: int pagenext(int, int);
! 427: void isetmark(void);
! 428: int setmark(int, int);
! 429: int swapmark(int, int);
! 430: int gotoline(int, int);
1.5 millert 431:
432: /* random.c X */
1.29 ! millert 433: int showcpos(int, int);
! 434: int getcolpos(void);
! 435: int twiddle(int, int);
! 436: int openline(int, int);
! 437: int newline(int, int);
! 438: int deblank(int, int);
! 439: int justone(int, int);
! 440: int delwhite(int, int);
! 441: int indent(int, int);
! 442: int forwdel(int, int);
! 443: int backdel(int, int);
! 444: int killline(int, int);
! 445: int yank(int, int);
! 446: int space_to_tabstop(int, int);
1.5 millert 447:
448: /* extend.c X */
1.29 ! millert 449: int insert(int, int);
! 450: int bindtokey(int, int);
! 451: int localbind(int, int);
! 452: int define_key(int, int);
! 453: int unbindtokey(int, int);
! 454: int localunbind(int, int);
! 455: int extend(int, int);
! 456: int evalexpr(int, int);
! 457: int evalbuffer(int, int);
! 458: int evalfile(int, int);
! 459: int load(char *);
! 460: int excline(char *);
1.5 millert 461:
462: /* help.c X */
1.29 ! millert 463: int desckey(int, int);
! 464: int wallchart(int, int);
! 465: int help_help(int, int);
! 466: int apropos_command(int, int);
1.5 millert 467:
468: /* paragraph.c X */
1.29 ! millert 469: int gotobop(int, int);
! 470: int gotoeop(int, int);
! 471: int fillpara(int, int);
! 472: int killpara(int, int);
! 473: int fillword(int, int);
! 474: int setfillcol(int, int);
1.5 millert 475:
476: /* word.c X */
1.29 ! millert 477: int backword(int, int);
! 478: int forwword(int, int);
! 479: int upperword(int, int);
! 480: int lowerword(int, int);
! 481: int capword(int, int);
! 482: int delfword(int, int);
! 483: int delbword(int, int);
! 484: int inword(void);
1.5 millert 485:
486: /* region.c X */
1.29 ! millert 487: int killregion(int, int);
! 488: int copyregion(int, int);
! 489: int lowerregion(int, int);
! 490: int upperregion(int, int);
! 491: int prefixregion(int, int);
! 492: int setprefix(int, int);
1.5 millert 493:
494: /* search.c X */
1.29 ! millert 495: int forwsearch(int, int);
! 496: int backsearch(int, int);
! 497: int searchagain(int, int);
! 498: int forwisearch(int, int);
! 499: int backisearch(int, int);
! 500: int queryrepl(int, int);
! 501: int forwsrch(void);
! 502: int backsrch(void);
! 503: int readpattern(char *);
1.5 millert 504:
505: /* spawn.c X */
1.29 ! millert 506: int spawncli(int, int);
1.5 millert 507:
508: /* ttykbd.c X */
1.29 ! millert 509: void ttykeymapinit(void);
! 510: void ttykeymaptidy(void);
1.5 millert 511:
512: /* match.c X */
1.29 ! millert 513: int showmatch(int, int);
1.5 millert 514:
515: /* version.c X */
1.29 ! millert 516: int showversion(int, int);
1.5 millert 517:
518: #ifndef NO_MACRO
519: /* macro.c X */
1.29 ! millert 520: int definemacro(int, int);
! 521: int finishmacro(int, int);
! 522: int executemacro(int, int);
1.5 millert 523: #endif /* !NO_MACRO */
524:
525: /* modes.c X */
1.29 ! millert 526: int indentmode(int, int);
! 527: int fillmode(int, int);
! 528: int blinkparen(int, int);
1.5 millert 529: #ifdef NOTAB
1.29 ! millert 530: int notabmode(int, int);
1.5 millert 531: #endif /* NOTAB */
1.29 ! millert 532: int overwrite(int, int);
! 533: int set_default_mode(int,int);
1.5 millert 534:
535: #ifdef REGEX
536: /* re_search.c X */
1.29 ! millert 537: int re_forwsearch(int, int);
! 538: int re_backsearch(int, int);
! 539: int re_searchagain(int, int);
! 540: int re_queryrepl(int, int);
! 541: int setcasefold(int, int);
! 542: int delmatchlines(int, int);
! 543: int delnonmatchlines(int, int);
! 544: int cntmatchlines(int, int);
! 545: int cntnonmatchlines(int, int);
1.5 millert 546: #endif /* REGEX */
1.1 deraadt 547:
548: /*
549: * Externals.
550: */
1.5 millert 551: extern BUFFER *bheadp;
552: extern BUFFER *curbp;
553: extern MGWIN *curwp;
554: extern MGWIN *wheadp;
555: extern int thisflag;
556: extern int lastflag;
557: extern int curgoal;
558: extern int epresf;
559: extern int sgarbf;
560: extern int mode;
561: extern int nrow;
562: extern int ncol;
563: extern int ttrow;
564: extern int ttcol;
565: extern int tttop;
566: extern int ttbot;
567: extern int tthue;
568: extern int defb_nmodes;
569: extern int defb_flag;
1.17 mickey 570: extern const char cinfo[];
1.5 millert 571: extern char *keystrings[];
1.25 vincent 572: extern char pat[NPAT];
1.5 millert 573: #ifndef NO_DPROMPT
574: extern char prompt[];
575: #endif /* !NO_DPROMPT */
576:
577: /*
578: * Globals.
579: */
580: int tceeol;
581: int tcinsl;
582: int tcdell;
583:
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