1 /* $Id: roff_html.c,v 1.11 2017/06/24 14:38:33 schwarze Exp $ */ 2 /* 3 * Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv> 4 * Copyright (c) 2014, 2017 Ingo Schwarze <schwarze@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 #include <sys/types.h> 19 20 #include <assert.h> 21 #include <stddef.h> 22 23 #include "mandoc.h" 24 #include "roff.h" 25 #include "out.h" 26 #include "html.h" 27 28 #define ROFF_HTML_ARGS struct html *h, const struct roff_node *n 29 30 typedef void (*roff_html_pre_fp)(ROFF_HTML_ARGS); 31 32 static void roff_html_pre_br(ROFF_HTML_ARGS); 33 static void roff_html_pre_ce(ROFF_HTML_ARGS); 34 static void roff_html_pre_sp(ROFF_HTML_ARGS); 35 36 static const roff_html_pre_fp roff_html_pre_acts[ROFF_MAX] = { 37 roff_html_pre_br, /* br */ 38 roff_html_pre_ce, /* ce */ 39 NULL, /* ft */ 40 NULL, /* ll */ 41 NULL, /* mc */ 42 NULL, /* po */ 43 roff_html_pre_ce, /* rj */ 44 roff_html_pre_sp, /* sp */ 45 NULL, /* ta */ 46 NULL, /* ti */ 47 }; 48 49 50 void 51 roff_html_pre(struct html *h, const struct roff_node *n) 52 { 53 assert(n->tok < ROFF_MAX); 54 if (roff_html_pre_acts[n->tok] != NULL) 55 (*roff_html_pre_acts[n->tok])(h, n); 56 } 57 58 static void 59 roff_html_pre_br(ROFF_HTML_ARGS) 60 { 61 struct tag *t; 62 63 t = print_otag(h, TAG_DIV, ""); 64 print_text(h, "\\~"); /* So the div isn't empty. */ 65 print_tagq(h, t); 66 } 67 68 static void 69 roff_html_pre_ce(ROFF_HTML_ARGS) 70 { 71 for (n = n->child->next; n != NULL; n = n->next) { 72 if (n->type == ROFFT_TEXT) { 73 if (n->flags & NODE_LINE) 74 roff_html_pre_br(h, n); 75 print_text(h, n->string); 76 } else 77 roff_html_pre(h, n); 78 } 79 roff_html_pre_br(h, n); 80 } 81 82 static void 83 roff_html_pre_sp(ROFF_HTML_ARGS) 84 { 85 struct roffsu su; 86 87 SCALE_VS_INIT(&su, 1); 88 if ((n = n->child) != NULL) { 89 if (a2roffsu(n->string, &su, SCALE_VS) == NULL) 90 su.scale = 1.0; 91 else if (su.scale < 0.0) 92 su.scale = 0.0; 93 } 94 print_otag(h, TAG_DIV, "suh", &su); 95 print_text(h, "\\~"); /* So the div isn't empty. */ 96 } 97