boxes/src/boxes.h.in

/*
 *  File:             boxes.h
 *  Date created:     March 18, 1999 (Thursday, 15:09h)
 *  Author:           Thomas Jensen
 *                    tsjensen@stud.informatik.uni-erlangen.de
 *  Version:          $Id: boxes.h,v 1.10 1999/06/20 14:19:31 tsjensen Exp tsjensen $
 *  Language:         ANSI C
 *  Purpose:          Project-wide globals and data structures
 *  Remarks:          ---
 *
 *  Revision History:
 *
 *    $Log: boxes.h,v $
 *    Revision 1.10  1999/06/20 14:19:31  tsjensen
 *    Added padding member to design struct
 *
 *    Revision 1.9  1999/06/17 19:08:50  tsjensen
 *    Removed #pragma ident "string"
 *    Changed VERSION to 1.0 beta
 *    Added line_t and empty_line() prototype
 *
 *    Revision 1.8  1999/06/14 12:11:54  tsjensen
 *    Added struct members for regexp reversion code
 *    Renamed current_reprule to current_rule, now used for both directions
 *
 *    Revision 1.6  1999/04/09 13:32:55  tsjensen
 *    Removed code related to OFFSET blocks (obsolete)
 *
 *    Revision 1.5  1999/04/04 16:10:51  tsjensen
 *    Added some flags to design structure
 *    Move default settings here from boxes.c
 *
 *    Revision 1.4  1999/03/31 17:34:43  tsjensen
 *    ... still programming ...
 *    Added minwidth and minheight to design structure
 *
 *    Revision 1.3  1999/03/30 09:36:58  tsjensen
 *    ... still programming ...
 *    It drew a correct box for the first time!
 *
 *    Revision 1.1  1999/03/18 15:09:34  tsjensen
 *    Initial revision
 *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 */

#ifndef BOXES_H
#define BOXES_H

/* #define DEBUG */
/* #define REGEXP_DEBUG */

#include "regexp.h"


#define PROJECT "boxes"                  /* name of program */
#define VERSION "1.0 beta"               /* current release of project */


/*
 *  default settings of all kinds (THIS PARAGRAPH MAY BE EDITED)
 */
#define DEF_TABSTOP     8                /* default tab stop distance (-t) */
#define DEF_INDENTMODE  'b'              /* indent box, not text by default */
#define DEF_DESIGN      "C"              /* default design name */


#define __TJ(s) fprintf (stderr, s);

/*
 *  some systems (especially sunos4) do not define EXIT_* constants
 */
#ifndef EXIT_FAILURE
#define EXIT_FAILURE    1
#endif
#ifndef EXIT_SUCCESS
#define EXIT_SUCCESS    0
#endif

/*  max. allowed tab stop distance
 */
#define MAX_TABSTOP     16

/*  max. supported line length
 *  This is how many characters of a line will be read. Anything beyond
 *  will be discarded. The line feed character at the end does not count.
 *  (This should have been done via sysconf(), but I didn't do it in order
 *  to ease porting to non-unix platforms.)
 */
#if defined(LINE_MAX) && (LINE_MAX < 1024)
#undef LINE_MAX
#endif
#ifndef LINE_MAX
#define LINE_MAX        2048
#endif


extern char *shape_name[];

#define ANZ_SHAPES 16

typedef enum {
    NW, NNW, N, NNE, NE, ENE, E, ESE, SE, SSE, S, SSW, SW, WSW, W, WNW
} shape_t;

#define SHAPES_PER_SIDE 5
#define ANZ_SIDES       4
#define ANZ_CORNERS     4

extern shape_t north_side[SHAPES_PER_SIDE];  /* groups of shapes, clockwise */
extern shape_t east_side[SHAPES_PER_SIDE];
extern shape_t south_side[SHAPES_PER_SIDE];
extern shape_t west_side[SHAPES_PER_SIDE];
extern shape_t corners[ANZ_CORNERS];
extern shape_t *sides[ANZ_SIDES];

#define BTOP 0                               /* for use width sides */
#define BRIG 1
#define BBOT 2
#define BLEF 3

typedef struct {
    char **chars;
    size_t height;
    size_t width;
    int    elastic;          /* elastic is used only in orginial definition */
} sentry_t;

#define SENTRY_INITIALIZER (sentry_t) {NULL, 0, 0, 0}


typedef struct {
    char   *search;
    char   *repstr;
    regexp *prog;                        /* compiled search pattern */
    int     line;                        /* line of definition in config file */
    char    mode;                        /* 'g' or 'o' */
} reprule_t;


typedef struct {
    char      *name;
    char      *author;
    char      *created;                  /* date created, free format */
    char      *revision;                 /* revision number of design */
    char      *revdate;                  /* date of current revision */
    char      *sample;
    char       indentmode;               /* 'b', 't', or 'n' */
    sentry_t   shape[ANZ_SHAPES];
    size_t     minwidth;
    size_t     minheight;
    int        padding[ANZ_SIDES];

    reprule_t *current_rule;
    reprule_t *reprules;                 /* applied when drawing a box */
    size_t     anz_reprules;
    reprule_t *revrules;                 /* applied upon removal of a box */
    size_t     anz_revrules;
} design_t;

typedef struct {
    size_t len;
    char  *text;
} line_t;

extern design_t *designs;
extern int design_idx;

extern int yylineno;
extern char *yyfilename;

typedef struct {                         /* Command line options: */
    int       l;                         /* list available designs */
    int       r;                         /* remove box from input */
    int       tabstop;                   /* tab stop distance */
    int       padding[ANZ_SIDES];        /* in spaces or lines resp. */
    design_t *design;                    /* currently used box design */
    int       design_choice_by_user;     /* true if design was chosen by user */
    long      reqwidth;                  /* requested box width (-s) */
    long      reqheight;                 /* requested box height (-s) */
    char      valign;                    /* text position inside box */
    char      halign;                    /* ( h[lcr]v[tcb] )         */
    FILE     *infile;                    /* where we get our input */
    FILE     *outfile;                   /* where we put our output */
} opt_t;

extern opt_t opt;

int isempty (const sentry_t *);
size_t widest (const sentry_t *, const int, ...);
size_t highest (const sentry_t *, const int, ...);

#endif /* BOXES_H */


/*EOF*/                                          /* vim: set cindent sw=4: */