1 /* $Id: eqn_term.c,v 1.4 2011/07/24 10:09:03 kristaps Exp $ */ 2 /* 3 * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv> 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 <assert.h> 22 #include <stdio.h> 23 #include <stdlib.h> 24 #include <string.h> 25 26 #include "mandoc.h" 27 #include "out.h" 28 #include "term.h" 29 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 */ 36 }; 37 38 static void eqn_box(struct termp *, const struct eqn_box *); 39 40 void 41 term_eqn(struct termp *p, const struct eqn *ep) 42 { 43 44 p->flags |= TERMP_NONOSPACE; 45 eqn_box(p, ep->root); 46 term_word(p, " "); 47 p->flags &= ~TERMP_NONOSPACE; 48 } 49 50 static void 51 eqn_box(struct termp *p, const struct eqn_box *bp) 52 { 53 54 if (EQNFONT_NONE != bp->font) 55 term_fontpush(p, fontmap[(int)bp->font]); 56 if (bp->left) 57 term_word(p, bp->left); 58 if (EQN_SUBEXPR == bp->type) 59 term_word(p, "("); 60 61 if (bp->text) 62 term_word(p, bp->text); 63 64 if (bp->first) 65 eqn_box(p, bp->first); 66 67 if (EQN_SUBEXPR == bp->type) 68 term_word(p, ")"); 69 if (bp->right) 70 term_word(p, bp->right); 71 if (EQNFONT_NONE != bp->font) 72 term_fontpop(p); 73 74 if (bp->next) 75 eqn_box(p, bp->next); 76 } 77