term.h

   1 /*      $Id: term.h,v 1.44 2009/08/10 10:09:51 kristaps Exp $ */
   2 /*
   3  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17 #ifndef TERM_H
  18 #define TERM_H
  19
  20 __BEGIN_DECLS
  21
  22 enum    termenc {
  23         TERMENC_ASCII,
  24         TERMENC_LATIN1,         /* Not implemented. */
  25         TERMENC_UTF8            /* Not implemented. */
  26 };
  27
  28 struct  termp {
  29         size_t            rmargin;      /* Current right margin. */
  30         size_t            maxrmargin;   /* Max right margin. */
  31         size_t            maxcols;      /* Max size of buf. */
  32         size_t            offset;       /* Margin offest. */
  33         size_t            col;          /* Bytes in buf. */
  34         int               flags;
  35 #define TERMP_STYLE       0x3           /* Style mask. */
  36 #define TERMP_BOLD       (1 << 0)       /* Styles... */
  37 #define TERMP_UNDER      (1 << 1)
  38 #define TERMP_NOSPACE    (1 << 2)       /* No space before words. */
  39 #define TERMP_NOLPAD     (1 << 3)       /* See term_flushln(). */
  40 #define TERMP_NOBREAK    (1 << 4)       /* See term_flushln(). */
  41 #define TERMP_IGNDELIM   (1 << 6)       /* Delims like regulars. */
  42 #define TERMP_NONOSPACE  (1 << 7)       /* No space (no autounset). */
  43 #define TERMP_DANGLE     (1 << 8)       /* See term_flushln(). */
  44 #define TERMP_HANG       (1 << 9)       /* See term_flushln(). */
  45 #define TERMP_TWOSPACE   (1 << 10)      /* See term_flushln(). */
  46 #define TERMP_NOSPLIT    (1 << 11)      /* See termp_an_pre/post(). */
  47 #define TERMP_SPLIT      (1 << 12)      /* See termp_an_pre/post(). */
  48 #define TERMP_ANPREC     (1 << 13)      /* See termp_an_pre(). */
  49         char             *buf;          /* Output buffer. */
  50         enum termenc      enc;          /* Type of encoding. */
  51         void             *symtab;       /* Encoded-symbol table. */
  52 };
  53
  54 void             *term_ascii2htab(void);
  55 const char       *term_a2ascii(void *, const char *, size_t, size_t *);
  56 const char       *term_a2res(void *, const char *, size_t, size_t *);
  57 void              term_asciifree(void *);
  58
  59 void              term_newln(struct termp *);
  60 void              term_vspace(struct termp *);
  61 void              term_word(struct termp *, const char *);
  62 void              term_flushln(struct termp *);
  63
  64 __END_DECLS
  65
  66 #endif /*!TERM_H*/