Return to term_ascii.c CVS log

Up to [cvsweb.bsd.lv] / mandoc

Annotation of mandoc/term_ascii.c, Revision 1.6

1.6     ! kristaps    1: /*     $Id: term_ascii.c,v 1.5 2010/06/25 18:53:14 kristaps Exp $ */
1.1       kristaps    2: /*
1.4       kristaps    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
1.1       kristaps    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: #ifdef HAVE_CONFIG_H
                     18: #include "config.h"
                     19: #endif
                     20:
                     21: #include <sys/types.h>
                     22:
                     23: #include <assert.h>
                     24: #include <stdint.h>
                     25: #include <stdio.h>
                     26: #include <stdlib.h>
1.2       kristaps   27: #include <unistd.h>
1.1       kristaps   28:
                     29: #include "out.h"
                     30: #include "term.h"
                     31: #include "main.h"
                     32:
                     33: static void              ascii_endline(struct termp *);
                     34: static void              ascii_letter(struct termp *, char);
                     35: static void              ascii_begin(struct termp *);
                     36: static void              ascii_advance(struct termp *, size_t);
                     37: static void              ascii_end(struct termp *);
1.5       kristaps   38: static size_t            ascii_width(const struct termp *, char);
1.1       kristaps   39:
                     40:
                     41: void *
                     42: ascii_alloc(char *outopts)
                     43: {
                     44:        struct termp    *p;
                     45:        const char      *toks[2];
                     46:        char            *v;
                     47:
                     48:        if (NULL == (p = term_alloc(TERMENC_ASCII)))
                     49:                return(NULL);
                     50:
1.5       kristaps   51:        p->tabwidth = 5;
                     52:        p->defrmargin = 78;
                     53:
1.1       kristaps   54:        p->type = TERMTYPE_CHAR;
                     55:        p->letter = ascii_letter;
                     56:        p->begin = ascii_begin;
                     57:        p->end = ascii_end;
                     58:        p->endline = ascii_endline;
                     59:        p->advance = ascii_advance;
1.5       kristaps   60:        p->width = ascii_width;
1.1       kristaps   61:
                     62:        toks[0] = "width";
                     63:        toks[1] = NULL;
                     64:
                     65:        while (outopts && *outopts)
                     66:                switch (getsubopt(&outopts, UNCONST(toks), &v)) {
                     67:                case (0):
                     68:                        p->defrmargin = (size_t)atoi(v);
                     69:                        break;
                     70:                default:
                     71:                        break;
                     72:                }
                     73:
                     74:        /* Enforce a lower boundary. */
                     75:        if (p->defrmargin < 58)
                     76:                p->defrmargin = 58;
                     77:
                     78:        return(p);
1.5       kristaps   79: }
                     80:
                     81:
1.6     ! kristaps   82: /* ARGSUSED */
1.5       kristaps   83: static size_t
                     84: ascii_width(const struct termp *p, char c)
                     85: {
                     86:
                     87:        return(1);
1.1       kristaps   88: }
                     89:
                     90:
                     91: void
                     92: ascii_free(void *arg)
                     93: {
                     94:
                     95:        term_free((struct termp *)arg);
                     96: }
                     97:
                     98:
                     99: /* ARGSUSED */
                    100: static void
                    101: ascii_letter(struct termp *p, char c)
                    102: {
                    103:
                    104:        putchar(c);
                    105: }
                    106:
                    107:
                    108: static void
                    109: ascii_begin(struct termp *p)
                    110: {
                    111:
                    112:        (*p->headf)(p, p->argf);
                    113: }
                    114:
                    115:
                    116: static void
                    117: ascii_end(struct termp *p)
                    118: {
                    119:
                    120:        (*p->footf)(p, p->argf);
                    121: }
                    122:
                    123:
                    124: /* ARGSUSED */
                    125: static void
                    126: ascii_endline(struct termp *p)
                    127: {
                    128:
                    129:        putchar('\n');
                    130: }
                    131:
                    132:
                    133: /* ARGSUSED */
                    134: static void
                    135: ascii_advance(struct termp *p, size_t len)
                    136: {
                    137:        size_t          i;
                    138:
                    139:        /* Just print whitespace on the terminal. */
                    140:        for (i = 0; i < len; i++)
                    141:                putchar(' ');
                    142: }