1 /* $Id: eqn_term.c,v 1.5 2014/04/20 16:46:04 schwarze 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 41 void 42 term_eqn(struct termp *p, const struct eqn *ep) 43 { 44 45 p->flags |= TERMP_NONOSPACE; 46 eqn_box(p, ep->root); 47 term_word(p, " "); 48 p->flags &= ~TERMP_NONOSPACE; 49 } 50 51 static void 52 eqn_box(struct termp *p, const struct eqn_box *bp) 53 { 54 55 if (EQNFONT_NONE != bp->font) 56 term_fontpush(p, fontmap[(int)bp->font]); 57 if (bp->left) 58 term_word(p, bp->left); 59 if (EQN_SUBEXPR == bp->type) 60 term_word(p, "("); 61 62 if (bp->text) 63 term_word(p, bp->text); 64 65 if (bp->first) 66 eqn_box(p, bp->first); 67 68 if (EQN_SUBEXPR == bp->type) 69 term_word(p, ")"); 70 if (bp->right) 71 term_word(p, bp->right); 72 if (EQNFONT_NONE != bp->font) 73 term_fontpop(p); 74 75 if (bp->next) 76 eqn_box(p, bp->next); 77 } 78