boxes/src/boxes.in.h

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/*
* boxes - Command line filter to draw/remove ASCII boxes around text
* Copyright (c) 1999-2021 Thomas Jensen and the boxes contributors
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License, version 2, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
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/*
* Project-wide globals and data structures
*/
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#ifndef BOXES_H
#define BOXES_H
/* #define DEBUG 1 */
/* #define REGEXP_DEBUG 1 */
/* #define PARSER_DEBUG 1 */
/* #define LEXER_DEBUG 1 */
#include <stdio.h>
#include <unitypes.h>
#include "regulex.h"
#include "shape.h"
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#define PROJECT "boxes" /* name of program */
#define VERSION "--BVERSION--" /* current release of project */
#define GLOBALCONF "--GLOBALCONF--" /* name of system-wide config file */
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#define DEF_INDENTMODE 'b' /* default indent mode of a design (indent box, not text) */
/*
* max. supported line length in bytes
* 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_BYTES) && (LINE_MAX_BYTES < 2048)
#undef LINE_MAX_BYTES
#endif
#ifndef LINE_MAX_BYTES
#define LINE_MAX_BYTES 16382
#endif
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#define BTOP 0 /* for use with sides */
#define BRIG 1
#define BBOT 2
#define BLEF 3
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typedef struct {
char *search;
char *repstr;
pcre2_code *prog; /* compiled search pattern */
int line; /* line of definition in config file */
char mode; /* 'g' or 'o' */
} reprule_t;
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typedef struct {
char *name;
char **aliases; /* zero-terminated array of alias names of the design */
char *author; /* creator of the configuration file entry */
char *designer; /* creator of the original ASCII artwork */
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[NUM_SHAPES];
size_t maxshapeheight; /* height of highest shape in design */
size_t minwidth;
size_t minheight;
int padding[NUM_SIDES];
char **tags;
char *defined_in; /* path to config file where this was defined */
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;
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} design_t;
extern design_t *designs;
extern int num_designs;
typedef struct { /* Command line options: */
char valign; /** `-a`: text position inside box */
char halign; /** `-a`: ( h[lcr]v[tcb] ) */
char justify; /** `-a`: 'l', 'c', 'r', or '\0' */
char *cld; /** `-c`: commandline design definition */
design_t *design; /** `-d`: currently used box design */
int design_choice_by_user; /** `-d`, `-c`: true if design was chosen by user */
char *eol; /** `-e`: line break to use. Never NULL, default to "\n". */
int eol_overridden; /** `-e`: 0: value in `eol` is the default; 1: value in `eol` specified via `-e` */
char *f; /** `-f`: config file path */
int help; /** `-h`: flags if help argument was specified */
char indentmode; /** `-i`: 'b', 't', 'n', or '\0' */
int killblank; /** `-k`: kill blank lines, -1 if not set */
int l; /** `-l`: list available designs */
int mend; /** `-m`: 1 if -m is given, 2 in 2nd loop */
char *encoding; /** `-n`: character encoding override for input and output text */
int padding[NUM_SIDES]; /** `-p`: in spaces or lines resp. */
char **query; /** `-q`: parsed tag query expression passed in via -q; also, special handling of web UI needs */
int r; /** `-r`: remove box from input */
long reqwidth; /** `-s`: requested box width */
long reqheight; /** `-s`: requested box height */
int tabstop; /** `-t`: tab stop distance */
char tabexp; /** `-t`: tab expansion mode (for leading tabs) */
int version_requested; /** `-v`: request to show version number */
FILE *infile;
FILE *outfile;
} opt_t;
extern opt_t opt;
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typedef struct {
size_t len; /* length of visible text in columns (visible character positions in a text terminal), which is the same as the length of the 'text' field */
char *text; /* ASCII line content, tabs expanded, ansi escapes removed, multi-byte chars replaced with one or more 'x' */
size_t invis; /* number of invisble columns/characters (part of an ansi sequence) */
uint32_t *mbtext; /* multi-byte (original) line content, tabs expanded. We use UTF-32 in order to enable pointer arithmetic. */
size_t num_chars; /* total number of characters in mbtext, visible + invisible */
uint32_t *mbtext_org; /* mbtext as originally allocated, so that we can free it again */
size_t *tabpos; /* tab positions in expanded work strings, or NULL if not needed */
size_t tabpos_len; /* number of tabs in a line */
size_t *posmap; /* for each character in `text`, position of corresponding char in `mbtext`. Needed for box removal. */
} line_t;
typedef struct {
line_t *lines;
size_t num_lines; /* number of entries in input */
size_t maxline; /* length of longest input line */
size_t indent; /* number of leading spaces found */
int final_newline; /* true if the last line of input ends with newline */
} input_t;
extern input_t input;
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#endif /* BOXES_H */
/*EOF*/ /* vim: set cindent sw=4: */