/* * 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. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* * Project-wide globals and data structures */ #ifndef BOXES_H #define BOXES_H /* #define DEBUG 1 */ /* #define REGEXP_DEBUG 1 */ /* #define PARSER_DEBUG 1 */ /* #define LEXER_DEBUG 1 */ #include #include "regulex.h" #include "shape.h" #define PROJECT "boxes" /* name of program */ #define VERSION "--BVERSION--" /* current release of project */ #define GLOBALCONF "--GLOBALCONF--" /* name of system-wide config file */ /* * default settings of all kinds (THIS PARAGRAPH MAY BE EDITED) */ #define DEF_TABSTOP 8 /* default tab stop distance (part of -t) */ #define DEF_INDENTMODE 'b' /* indent box, not text by default */ /* * max. allowed tab stop distance */ #define MAX_TABSTOP 16 /* * 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 #ifdef DEBUG #define __TJ(s) fprintf (stderr, s); #else #define __TJ(s) /**/ #endif #define BTOP 0 /* for use with sides */ #define BRIG 1 #define BBOT 2 #define BLEF 3 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; typedef struct { char *name; 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[ANZ_SHAPES]; size_t maxshapeheight; /* height of highest shape in design */ size_t minwidth; size_t minheight; int padding[ANZ_SIDES]; char *tags; 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; extern design_t *designs; extern int anz_designs; extern int design_idx; extern int tjlineno; /* config file line counter */ extern char *yyfilename; /* name of config file */ typedef struct { /* Command line options: */ int l; /* list available designs */ char *f; /* the string specified as argument to -f ; config file path */ int mend; /* 1 if -m is given, 2 in 2nd loop */ int q; /* special handling of web UI needs */ int r; /* remove box from input */ int tabstop; /* tab stop distance */ char tabexp; /* tab expansion mode (for leading tabs) */ 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 */ char *cld; /* commandline design definition, -c */ long reqwidth; /* requested box width (-s) */ long reqheight; /* requested box height (-s) */ char valign; /* text position inside box */ char halign; /* ( h[lcr]v[tcb] ) */ char indentmode; /* 'b', 't', 'n', or '\0' */ char justify; /* 'l', 'c', 'r', or '\0' */ int killblank; /* -1 if not set */ char *encoding; /* character encoding override for input and output text */ FILE *infile; /* where we get our input */ FILE *outfile; /* where we put our output */ } opt_t; extern opt_t opt; 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 num_leading_blanks; /* number of spaces at the start of the line after justification */ size_t *posmap; /* for each character in `text`, position of corresponding char in `mbtext`. Needed for box removal. */ } line_t; #ifndef FILE_LEXER_L typedef struct { line_t *lines; size_t anz_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; #define INPUT_INITIALIZER {NULL, 0, 0, LINE_MAX_BYTES, 0} extern input_t input; #endif /*!FILE_LEXER_L*/ #endif /* BOXES_H */ /*EOF*/ /* vim: set cindent sw=4 syntax=c: */