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Diff for /mandoc/term.h between version 1.10 and 1.58

version 1.10, 2009/02/25 17:02:47 version 1.58, 2010/06/07 20:57:09
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 /* $Id$ */  /*      $Id$ */
 /*  /*
  * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>   * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *   *
  * 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  __BEGIN_DECLS
   
   struct  termp;
   
   enum    termenc {
           TERMENC_ASCII
   };
   
   enum    termtype {
           TERMTYPE_CHAR,
           TERMTYPE_PS
   };
   
   enum    termfont {
           TERMFONT_NONE = 0,
           TERMFONT_BOLD,
           TERMFONT_UNDER
   };
   
   #define TERM_MAXMARGIN    100000 /* FIXME */
   
   typedef void    (*term_margin)(struct termp *, const void *);
   
 struct  termp {  struct  termp {
         size_t            rmargin;          enum termtype     type;
         size_t            maxrmargin;          size_t            defrmargin;   /* Right margin of the device.. */
         size_t            maxcols;          size_t            rmargin;      /* Current right margin. */
         size_t            offset;          size_t            maxrmargin;   /* Max right margin. */
         size_t            col;          size_t            maxcols;      /* Max size of buf. */
           size_t            offset;       /* Margin offest. */
           size_t            tabwidth;     /* Distance of tab positions. */
           size_t            col;          /* Bytes in buf. */
           size_t            viscol;       /* Chars on current line. */
           int               overstep;     /* See termp_flushln(). */
         int               flags;          int               flags;
 #define TERMP_BOLD       (1 << 0)       /* Embolden words. */  #define TERMP_SENTENCE   (1 << 1)       /* Space before a sentence. */
 #define TERMP_UNDERLINE  (1 << 1)       /* Underline words. */  
 #define TERMP_NOSPACE    (1 << 2)       /* No space before words. */  #define TERMP_NOSPACE    (1 << 2)       /* No space before words. */
 #define TERMP_NOLPAD     (1 << 3)       /* No leftpad before flush. */  #define TERMP_NOLPAD     (1 << 3)       /* See term_flushln(). */
 #define TERMP_NOBREAK    (1 << 4)       /* No break after flush. */  #define TERMP_NOBREAK    (1 << 4)       /* See term_flushln(). */
 #define TERMP_LITERAL    (1 << 5)       /* Literal words. */  
 #define TERMP_IGNDELIM   (1 << 6)       /* Delims like regulars. */  #define TERMP_IGNDELIM   (1 << 6)       /* Delims like regulars. */
 #define TERMP_NONOSPACE  (1 << 7)       /* No space (no autounset). */  #define TERMP_NONOSPACE  (1 << 7)       /* No space (no autounset). */
         char             *buf;  #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(). */
           char             *buf;          /* Output buffer. */
           enum termenc      enc;          /* Type of encoding. */
           void             *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 */
           const void       *argf;         /* arg for headf/footf */
           int               psstate;      /* -Tps: state of ps output */
   #define PS_INLINE        (1 << 0)
   #define PS_MARGINS       (1 << 1)
           size_t            pscol;        /* -Tps: visible column */
           size_t            psrow;        /* -Tps: visible row */
           size_t            pspage;       /* -Tps: current page */
 };  };
   
 struct  termpair {  void              term_newln(struct termp *);
         struct termpair  *ppair;  void              term_vspace(struct termp *);
         int               type;  void              term_word(struct termp *, const char *);
 #define TERMPAIR_FLAG    (1 << 0)  void              term_flushln(struct termp *);
         int               flag;  void              term_begin(struct termp *, term_margin,
         size_t            offset;                          term_margin, const void *);
         size_t            rmargin;  void              term_end(struct termp *);
         int               count;  
 };  
   
 #define TERMPAIR_SETFLAG(p, fl) \  size_t            term_hspan(const struct roffsu *);
         do { \  size_t            term_vspan(const struct roffsu *);
                 assert(! (TERMPAIR_FLAG & (p)->type)); \  
                 (p)->flag = (fl); \  
                 (p)->type |= TERMPAIR_FLAG; \  
         } while (0)  
   
 struct  termact {  enum termfont     term_fonttop(struct termp *);
         int             (*pre)(struct termp *,  const void       *term_fontq(struct termp *);
                                 struct termpair *,  void              term_fontpush(struct termp *, enum termfont);
                                 const struct mdoc_meta *,  void              term_fontpop(struct termp *);
                                 const struct mdoc_node *);  void              term_fontpopq(struct termp *, const void *);
         void            (*post)(struct termp *,  void              term_fontrepl(struct termp *, enum termfont);
                                 struct termpair *,  void              term_fontlast(struct termp *);
                                 const struct mdoc_meta *,  
                                 const struct mdoc_node *);  
 };  
   
 void                      newln(struct termp *);  
 void                      vspace(struct termp *);  
 void                      word(struct termp *, const char *);  
 void                      flushln(struct termp *);  
 void                      transcode(struct termp *,  
                                 const char *, size_t);  
   
 void                      subtree(struct termp *,  
                                 const struct mdoc_meta *,  
                                 const struct mdoc_node *);  
   
 const   struct termact   *termacts;  
   
 __END_DECLS  __END_DECLS
   
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