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Diff for /mandoc/term.h between version 1.26 and 1.94

version 1.26, 2009/03/17 13:35:46 version 1.94, 2013/08/21 21:20:40
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 /* $Id$ */  /*      $Id$ */
 /*  /*
  * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>   * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  *   *
  * Permission to use, copy, modify, and distribute this software for any   * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the   * purpose with or without fee is hereby granted, provided that the above
  * above copyright notice and this permission notice appear in all   * copyright notice and this permission notice appear in all copies.
  * copies.  
  *   *
  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  * PERFORMANCE OF THIS SOFTWARE.  
  */   */
 #ifndef TERM_H  #ifndef TERM_H
 #define TERM_H  #define TERM_H
   
 #include "mdoc.h"  __BEGIN_DECLS
   
 /* XXX - clean up tabs. */  struct  termp;
   
 #define INDENT            6  enum    termenc {
           TERMENC_ASCII,
           TERMENC_LOCALE,
           TERMENC_UTF8
   };
   
 __BEGIN_DECLS  enum    termtype {
           TERMTYPE_CHAR,
           TERMTYPE_PS,
           TERMTYPE_PDF
   };
   
 struct  termp {  enum    termfont {
         size_t            rmargin;          TERMFONT_NONE = 0,
         size_t            maxrmargin;          TERMFONT_BOLD,
         size_t            maxcols;          TERMFONT_UNDER,
         size_t            offset;          TERMFONT_BI,
         size_t            col;          TERMFONT__MAX
         int               iflags;  
 #define TERMP_NOPUNT     (1 << 0)  
         int               flags;  
 #define TERMP_NOSPACE    (1 << 0)       /* No space before words. */  
 #define TERMP_NOLPAD     (1 << 1)       /* No leftpad before flush. */  
 #define TERMP_NOBREAK    (1 << 2)       /* No break after flush. */  
 #define TERMP_LITERAL    (1 << 3)       /* Literal words. */  
 #define TERMP_IGNDELIM   (1 << 4)       /* Delims like regulars. */  
 #define TERMP_NONOSPACE  (1 << 5)       /* No space (no autounset). */  
 #define TERMP_NONOBREAK  (1 << 7)       /* Don't newln NOBREAK. */  
 #define TERMP_STYLE      0x0300         /* Style mask. */  
 #define TERMP_BOLD       (1 << 8)       /* Styles... */  
 #define TERMP_UNDER      (1 << 9)  
         char             *buf;  
         void             *symtab;  
 };  };
   
 /* XXX - clean this up. */  #define TERM_MAXMARGIN    100000 /* FIXME */
   
 struct  termpair {  typedef void    (*term_margin)(struct termp *, const void *);
         struct termpair  *ppair;  
         int               type;  struct  termp_tbl {
 #define TERMPAIR_FLAG    (1 << 0)          int               width;        /* width in fixed chars */
         int               flag;          int               decimal;      /* decimal point position */
         size_t            offset;  
         size_t            rmargin;  
         int               count;  
 };  };
   
 #define TERMPAIR_SETFLAG(termp, p, fl) \  struct  termp {
         do { \          enum termtype     type;
                 assert(! (TERMPAIR_FLAG & (p)->type)); \          struct rofftbl    tbl;          /* table configuration */
                 (termp)->flags |= (fl); \          int               mdocstyle;    /* imitate mdoc(7) output */
                 (p)->flag = (fl); \          size_t            defindent;    /* Default indent for text. */
                 (p)->type |= TERMPAIR_FLAG; \          size_t            defrmargin;   /* Right margin of the device. */
         } while (0)          size_t            rmargin;      /* Current right margin. */
           size_t            maxrmargin;   /* Max right margin. */
 struct  termact {          size_t            maxcols;      /* Max size of buf. */
         int     (*pre)(struct termp *, struct termpair *,          size_t            offset;       /* Margin offest. */
                         const struct mdoc_meta *,          size_t            tabwidth;     /* Distance of tab positions. */
                         const struct mdoc_node *);          size_t            col;          /* Bytes in buf. */
         void    (*post)(struct termp *, struct termpair *,          size_t            viscol;       /* Chars on current line. */
                         const struct mdoc_meta *,          int               overstep;     /* See termp_flushln(). */
                         const struct mdoc_node *);          int               skipvsp;      /* Vertical space to skip. */
           int               flags;
   #define TERMP_SENTENCE   (1 << 1)       /* Space before a sentence. */
   #define TERMP_NOSPACE    (1 << 2)       /* No space before words. */
   #define TERMP_NOBREAK    (1 << 4)       /* See term_flushln(). */
   #define TERMP_IGNDELIM   (1 << 6)       /* Delims like regulars. */
   #define TERMP_NONOSPACE  (1 << 7)       /* No space (no autounset). */
   #define TERMP_DANGLE     (1 << 8)       /* See term_flushln(). */
   #define TERMP_HANG       (1 << 9)       /* See term_flushln(). */
   #define TERMP_TWOSPACE   (1 << 10)      /* See term_flushln(). */
   #define TERMP_NOSPLIT    (1 << 11)      /* See termp_an_pre/post(). */
   #define TERMP_SPLIT      (1 << 12)      /* See termp_an_pre/post(). */
   #define TERMP_ANPREC     (1 << 13)      /* See termp_an_pre(). */
   #define TERMP_KEEP       (1 << 14)      /* Keep words together. */
   #define TERMP_PREKEEP    (1 << 15)      /* ...starting with the next one. */
   #define TERMP_SKIPCHAR   (1 << 16)      /* Skip the next character. */
           int              *buf;          /* Output buffer. */
           enum termenc      enc;          /* Type of encoding. */
           struct mchars    *symtab;       /* Encoded-symbol table. */
           enum termfont     fontl;        /* Last font set. */
           enum termfont     fontq[10];    /* Symmetric fonts. */
           int               fonti;        /* Index of font stack. */
           term_margin       headf;        /* invoked to print head */
           term_margin       footf;        /* invoked to print foot */
           void            (*letter)(struct termp *, int);
           void            (*begin)(struct termp *);
           void            (*end)(struct termp *);
           void            (*endline)(struct termp *);
           void            (*advance)(struct termp *, size_t);
           size_t          (*width)(const struct termp *, int);
           double          (*hspan)(const struct termp *,
                                   const struct roffsu *);
           const void       *argf;         /* arg for headf/footf */
           struct termp_ps  *ps;
 };  };
   
 void             *ascii2htab(void);  void              term_eqn(struct termp *, const struct eqn *);
 const char       *a2ascii(void *, const char *, size_t, size_t *);  void              term_tbl(struct termp *, const struct tbl_span *);
 void              asciifree(void *);  void              term_free(struct termp *);
   void              term_newln(struct termp *);
   void              term_vspace(struct termp *);
   void              term_word(struct termp *, const char *);
   void              term_flushln(struct termp *);
   void              term_begin(struct termp *, term_margin,
                           term_margin, const void *);
   void              term_end(struct termp *);
   
 void              newln(struct termp *);  size_t            term_hspan(const struct termp *,
 void              vspace(struct termp *);                          const struct roffsu *);
 void              word(struct termp *, const char *);  size_t            term_vspan(const struct termp *,
 void              flushln(struct termp *);                          const struct roffsu *);
 void              transcode(struct termp *, const char *, size_t);  size_t            term_strlen(const struct termp *, const char *);
 void              subtree(struct termp *, const struct mdoc_meta *,  size_t            term_len(const struct termp *, size_t);
                         const struct mdoc_node *);  
   
 const   struct termact   *termacts;  enum termfont     term_fonttop(struct termp *);
   const void       *term_fontq(struct termp *);
   void              term_fontpush(struct termp *, enum termfont);
   void              term_fontpop(struct termp *);
   void              term_fontpopq(struct termp *, const void *);
   void              term_fontrepl(struct termp *, enum termfont);
   void              term_fontlast(struct termp *);
   
 __END_DECLS  __END_DECLS
   
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