1 /* $Vendor-Id: eqn_term.c,v 1.4 2011/07/24 10:09:03 kristaps Exp $ */
3 * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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.
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.
30 static const enum termfont fontmap
[EQNFONT__MAX
] = {
31 TERMFONT_NONE
, /* EQNFONT_NONE */
32 TERMFONT_NONE
, /* EQNFONT_ROMAN */
33 TERMFONT_BOLD
, /* EQNFONT_BOLD */
34 TERMFONT_BOLD
, /* EQNFONT_FAT */
35 TERMFONT_UNDER
/* EQNFONT_ITALIC */
38 static void eqn_box(struct termp
*, const struct eqn_box
*);
41 term_eqn(struct termp
*p
, const struct eqn
*ep
)
44 p
->flags
|= TERMP_NONOSPACE
;
47 p
->flags
&= ~TERMP_NONOSPACE
;
51 eqn_box(struct termp
*p
, const struct eqn_box
*bp
)
54 if (EQNFONT_NONE
!= bp
->font
)
55 term_fontpush(p
, fontmap
[(int)bp
->font
]);
57 term_word(p
, bp
->left
);
58 if (EQN_SUBEXPR
== bp
->type
)
62 term_word(p
, bp
->text
);
65 eqn_box(p
, bp
->first
);
67 if (EQN_SUBEXPR
== bp
->type
)
70 term_word(p
, bp
->right
);
71 if (EQNFONT_NONE
!= bp
->font
)