/********************************************************/ /* */ /* ro.h General header file for ro */ /* */ /* ro version 1.00 */ /* */ /* Portions copyright (c) 1989 by Ted A. Campbell */ /* Bywater Software */ /* P. O. Box 4023 */ /* Duke Station */ /* Durham, NC 27706 */ /* */ /* Contains portions of ROFF4, Version 1.60 */ /* (c) 1983, 4 by Ernest E. Bergmann */ /* Physics, Building #16 */ /* Lehigh University */ /* Bethlehem, Pa. 18015 */ /* */ /* Contains portions of ROFF4, Version 1.61 */ /* (c) 1985 by Konrad Kwok */ /* 20 3rd Street, Section M */ /* Fariview Park, */ /* Hong Kong */ /* */ /* ro and its predecessor ROFF4 are based on */ /* the ROFF text processor described in Kernigan */ /* and Plauger's now-classic text */ /* */ /* Permission is hereby granted for all commercial and */ /* non-commercial reproduction and distribution of this */ /* material provided this notice is included. */ /* */ /********************************************************/ /************* INCLUDE FILES ****************************/ #include "stdio.h" #include "ctype.h" #include "time.h" #ifdef __STDC__ #include "stdlib.h" #include "malloc.h" #else #define size_t int #define time_t long #endif /****** PROGRAM DEFINITIONS *****************************/ /*** User-Definable Options ***/ #define NONROFF /* allow non-nroff-standard features */ /*** End of User-Definable Options ***/ #define ro_ X /* shorten names for limited compilers */ #define MAXLINE 255 #define TRUE 1 #define FALSE 0 #define ERROR (-1) #define OK 0 #define TBUFSIZE 4096 /* Size of temporary holding buffer */ #define BACKSIZE 4096 /* Size of backup buffer */ #define STKSIZ 4 #define DEBUG ( debug != 0 ) #define HUGE 135 /* generally large number */ #define LSZ 511 /* line buffer size*/ #define COMMAND '.' /* all commands starts with this */ #define UNKNOWN -1 /* returned if doesn't recg. command */ #define NO_VAL -32760 /* returned when no argument w/commad */ #define WE_HAVE_A_WORD 1 /* returned by getwrd func. */ #define NO 0 #define YES 1 #define UNDERLINE '\137' /*** Character Definitions */ #define CR 0x0D #define BACKSPACE '\b' #define BELL '\007' #define NUMSIGN '#' /* for title strings */ #define NEWLINE '\n' #define TAB '\t' #define BLANK ' ' #define FORMF 0x0C /* formfeed for printer */ #define ESCAPE 0x1b /* escape character */ #define SQUOTE 0x27 /* single quote */ #define DQUOTE 0x22 /* double quote */ #define BACKSLASH 0x5c /* backslash */ #define PASSBACK 0xeee /* a random large number to pass a literal backslash back into the input stream */ /** Single-character printer code designations ***/ #define ROMAN 'R' /* Restore "roman" or "regular" font */ /* Should turn off Bold and Italic */ #define ITALIC 'I' /* Switch to italics or underline */ #define BOLD 'B' /* Switch to bold */ #define HALFUP 'u' /* Half-line up */ #define HALFDOWN 'd' /* Half-line down */ #define TRANSLATE 2 /* May 23, 1983*/ #define BLACK 1 #define WHITE 0 #define CONTROL -1 #define SENTINEL -2 #define HTAB -3 #define OTHERS -4 #define XCHAR '-' #define UCHAR '_' /* defaults for global parameters */ #define FI_DEF 1 #define LS_DEF 1 #define IN_DEF 0 #define RM_DEF 70 #define TI_DEF 0 #define CE_DEF 1 #define UL_DEF -1 #define M1_DEF 2 #define M2_DEF 2 #define M3_DEF 2 #define M4_DEF 2 #define PL_DEF 66 #define FF_DEF YES /* .ff defaults to "on" */ #define FF_INI NO /* initial setting*/ #define SC_INI BLANK #define TS_DEF 8 /*standard tabsize*/ #define TC_DEF '~' /*translation flag default*/ #define CF_DEF '^' /*Dec 4*/ #define IC_DEF '\\' #define CW_DEF 12 /* 12/120" */ #define JU_INI YES /* right adjust (justification) */ #define PO_DEF 0 /* page offset */ #define REGDEF 0 /*default for register var.*/ /*when .rg has no numeric arg*/ #define REVSCROLL FALSE #define CANBS FALSE #define FMAX 8 /* # of additional files open*/ /* defaults for global parameters */ #define FI_DEF 1 #define LS_DEF 1 #define IN_DEF 0 #define RM_DEF 70 #define TI_DEF 0 #define CE_DEF 1 #define UL_DEF -1 #define M1_DEF 2 #define M2_DEF 2 #define M3_DEF 2 #define M4_DEF 2 #define PL_DEF 66 #define FF_DEF YES /* .ff defaults to "on" */ #define FF_INI NO /* initial setting*/ #define SC_INI BLANK #define TS_DEF 8 /*standard tabsize*/ #define TC_DEF '~' /*translation flag default*/ #define CF_DEF '^' /*Dec 4*/ #define IC_DEF '\\' #define CW_DEF 12 /* 12/120" */ #define JU_INI YES /*right justification*/ #define REGDEF 0 /*default for register var.*/ /*when .rg has no numeric arg*/ #define REVSCROLL FALSE #define CANBS FALSE #define FMAX 8 /* # of additional files open*/ #define FI 1 /* fill lines */ #define TI 2 /* temporary indent */ #define BP 3 /* begin page */ #define BR 4 /* causes break */ #define CE 5 /* center line(s) */ #define IN 7 /* left indent */ #define LS 8 /* line spacing */ #define NF 9 /* no fill */ #define PL 10 /* set page length */ #define LL 11 /* set line length (right margin) */ #define SP 12 /* add blank line(s) */ #define ST 13 /* stop(pause) at page start?*/ #define FO 14 /* footer title */ #define HE 15 /* header title */ #define M1 16 /* top margin */ #define M2 17 /* second top margin */ #define M3 18 /* first bottom margin */ #define M4 19 /* bottom-most margin */ #define IG 20 /* "ignore";comments,Nov 6,82*/ #define NE 21 /* "need";Nov 7,82*/ #define FF 22 /* "formfeed";Nov 10*/ #define SC 23 /* "space character";Nov13*/ #define TA 25 /* "tabsize";Nov 13*/ #define EH 26 /* "even headers";Nov 14*/ #define OH 27 /* "odd headers"*/ #define EF 28 /* "even footers"*/ #define OF 29 /* "odd footers"*/ #define EX 30 /* exit ("abort") */ #define DB 31 /* "debug"*/ #define TC 32 /* "translation flag char"*/ #define TR 33 /* "def translation string"*/ #define CF 34 /* Dec 4:control flag char*/ #define IC 35 /* insert character */ #define AD 37 /* adjust (justify) output lines */ #define NA 38 /* no adjust of output lines */ #define WH 39 /* whole line spacing code */ #define FR 40 /* fractional spacing,code */ #define DS 41 /* define string*/ #define DE 42 /* define macro*/ #define EM 43 /* end macro*/ #define NR 44 /* register variable*/ #define DI 45 /* diversion*/ #define SO 47 /* "source", include*/ #define PC 48 /* printer control definition*/ #define TM 49 /* send inline msg to terminal */ #define BJ 50 /* break with right justification of current line */ #define PM 51 /* print macro names */ #define FT 52 /* set font */ #define PO 53 /* page offset */ #define SS 54 /* show strings */ #define SR 55 /* show registers */ /****** GLOBAL VARIABLES ********************************/ FILE *_dobuf, *instream; /* i/o buffer used for direction */ int debug; /* Boolean: debug mode on/off */ int ro_verbose; /* Boolean: verbose mode on/off */ int ro_pagestop; int ro_adjust; int ro_useff; int ro_firstpage, ro_lastpage; /* for selectively printing output*/ int ro_suppress; /* if true,no output is passed by putchar()*/ int ro_tival; /* temporary indent -> default 0 */ int ro_ceval; /* set equal to number of lines to be centered */ int ro_spval; /* blank lines to be spaced down */ int ro_curpag; /* current output page number; init = 0 */ int ro_newpag; /* next output page number; init = 1 */ int ro_vlineno; /* virtual (intended) line advances on page, see vadv()*/ int ro_vflineno; /* + line fraction */ int ro_plineno; /* printer's actual line advances on page, see padv()*/ int ro_pflineno; /* + line fraction */ int ro_bottom; /* end of text area in lines;start of M3+M4 */ int ro_sentence; /* Nov 20*/ int ro_poval; /* page offset */ /*** Stack variables The following variables are assigned to a stack and when a new value is assigned, it is "pushed" onto the stack, and when read, "popped" off. The stack is read from the bottom. ***/ int ro_fill[STKSIZ]; /* set to YES or NO */ int ro_lsval[STKSIZ]; /* line spacing value -> default will be 1 */ int ro_inval[STKSIZ]; /* left indent -> default 0 */ int ro_rmval[STKSIZ]; /* right margin -> default PAGEWIDTH */ int ro_tcval[STKSIZ]; /* translation flag char */ int ro_plval[STKSIZ]; /* page length in lines */ int ro_m1val[STKSIZ]; /* margin before& including header in lines */ int ro_m2val[STKSIZ]; /* margin after header in lines */ int ro_m3val[STKSIZ]; /* margin after last text line in lines */ int ro_m4val[STKSIZ]; /* bottom margin, including footer in lines */ int ro_scval[STKSIZ]; /* space character */ int ro_tabsiz[STKSIZ]; /* spacing of tabstops */ int ro_cfval[STKSIZ]; /* Dec 4:control flag character value */ int ro_icval[STKSIZ]; /* insert character */ char ro_curline[ LSZ ]; /*input line buffer, Nov 26 */ char ro_ehead[ LSZ ], ro_eh2[ LSZ ], ro_eh3[ LSZ ]; /* even header title */ char ro_ohead[ LSZ ], ro_oh2[ LSZ ], ro_oh3[ LSZ ]; /* odd header title */ char ro_efoot[ LSZ ], ro_ef2[ LSZ ], ro_ef3[ LSZ ]; /* even footer title */ char ro_ofoot[ LSZ ], ro_of2[ LSZ ], ro_of3[ LSZ ]; /* even footer title */ struct divfd /* diversion file descriptor */ { char nm[ 36 ]; /* name */ char fn[ 64 ]; /* name of diversion file (not source file) */ int cs; /* character count */ int ls; /* line count */ int val; /* value for register */ char *mstr; /* pointer to macro character string */ FILE *bf; /* to instream if open, FALSE otherwise */ struct divfd *prev; }; char tbuf[ TBUFSIZE ]; /* a temporary buffer */ int ro_dir; /* for "spreading" of lines */ int ro_outwrds; /* no. words in ro_outbuf; init = 0 */ char ro_outbuf[ LSZ ]; /*lines to be filled collected here */ int ro_outw; /*current display width of ro_outbuf */ int ro_outpos; /* =strlen(ro_outbuf) */ int ro_wtop, ro_ltop, ro_outtop; /*zero|negative;levels of subscripts */ int ro_wbot, ro_lbot, ro_outbot; /*zero|positive;levels of subscripts */ int ro_oldln; /*position of previous main line */ int ro_oldbot; /*ro_outbot for previous line;reset each page */ int ro_frq, ro_frval; /* fractional line?, what fraction size */ char *ro_frstring; /* ^ to code for fractional spacing */ char *ro_whstring; /* ^ to code for whole line spacing */ char *ro_cptr[128-' ']; /*pointer table for print control */ char *ro_tptr[128-' ']; /*pointer table for translation strings for char; initialize to null */ struct divfd *dlink; /* points to head of diversion list */ struct divfd *rlink; /* points to head of register variable list */ struct divfd *slink; /* points to head of linked string list */ struct divfd *mlink; /* points to head of linked macro list */ /*following added for buffered and formatted output: */ char ro_out2buf[LSZ]; /*for line to be output in fancy fmt */ int ro_bpos, ro_cp, ro_pp; /*buffer,column,printer positions */ char ro_xbuf[LSZ]; /*strikout buffer */ int ro_xf, ro_xcol; /* " flag and column */ char ro_ubuf[LSZ]; /*underline buffer */ int ro_uf, ro_ucol; /* " flag and column */ int ro_first; /*flag for first pass */ char ro_dbuf[LSZ]; /*double strike buffer */ int ro_dpos; int ro_ocnt; int ro_mcnt; int ro_blkcnt; int ro_newxf, ro_newuf, ro_newmcnt; /* 3rd Mar,85 ; Conrad Kwok */ char ro_lastch; /* 5th Mar,85 ; Conrad Kwok */ char ro_backbuf[BACKSIZE]; /* Backup buffer */ int ro_binp; /* Position in above;init to 0 */ char ro_keybd; /*boolean & prompt for keyboard input */ char ro_kline[MAXLINE]; /*keyboard line input buffer */ char *ro_kptr; /*pointer for above */ int ro_fptr; FILE *ro_fstack[FMAX]; int ro_tflag;/*added for start(), complete() */ int ro_xf2, ro_uf2, ro_mcnt2; /****** DECLARATIONS FOR EXTERNAL FUNCTIONS ************ */ /* Declarations of externals * * */ #ifndef __STDC__ extern char *malloc(); #endif extern char *macq(); extern struct divfd * find2(); extern char ro_getch(); /******** END OF FILE ***********************************/