1 /* $Id: tbl_html.c,v 1.24 2018/06/25 13:45:57 schwarze Exp $ */ 2 /* 3 * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv> 4 * Copyright (c) 2014, 2015, 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 "config.h" 19 20 #include <sys/types.h> 21 22 #include <assert.h> 23 #include <stdio.h> 24 #include <stdlib.h> 25 #include <string.h> 26 27 #include "mandoc.h" 28 #include "out.h" 29 #include "html.h" 30 31 static void html_tblopen(struct html *, const struct tbl_span *); 32 static size_t html_tbl_len(size_t, void *); 33 static size_t html_tbl_strlen(const char *, void *); 34 static size_t html_tbl_sulen(const struct roffsu *, void *); 35 36 37 static size_t 38 html_tbl_len(size_t sz, void *arg) 39 { 40 return sz; 41 } 42 43 static size_t 44 html_tbl_strlen(const char *p, void *arg) 45 { 46 return strlen(p); 47 } 48 49 static size_t 50 html_tbl_sulen(const struct roffsu *su, void *arg) 51 { 52 if (su->scale < 0.0) 53 return 0; 54 55 switch (su->unit) { 56 case SCALE_FS: /* 2^16 basic units */ 57 return su->scale * 65536.0 / 24.0; 58 case SCALE_IN: /* 10 characters per inch */ 59 return su->scale * 10.0; 60 case SCALE_CM: /* 2.54 cm per inch */ 61 return su->scale * 10.0 / 2.54; 62 case SCALE_PC: /* 6 pica per inch */ 63 case SCALE_VS: 64 return su->scale * 10.0 / 6.0; 65 case SCALE_EN: 66 case SCALE_EM: 67 return su->scale; 68 case SCALE_PT: /* 12 points per pica */ 69 return su->scale * 10.0 / 6.0 / 12.0; 70 case SCALE_BU: /* 24 basic units per character */ 71 return su->scale / 24.0; 72 case SCALE_MM: /* 1/1000 inch */ 73 return su->scale / 100.0; 74 default: 75 abort(); 76 } 77 } 78 79 static void 80 html_tblopen(struct html *h, const struct tbl_span *sp) 81 { 82 if (h->tbl.cols == NULL) { 83 h->tbl.len = html_tbl_len; 84 h->tbl.slen = html_tbl_strlen; 85 h->tbl.sulen = html_tbl_sulen; 86 tblcalc(&h->tbl, sp, 0, 0); 87 } 88 assert(NULL == h->tblt); 89 h->tblt = print_otag(h, TAG_TABLE, "c", "tbl"); 90 } 91 92 void 93 print_tblclose(struct html *h) 94 { 95 96 assert(h->tblt); 97 print_tagq(h, h->tblt); 98 h->tblt = NULL; 99 } 100 101 void 102 print_tbl(struct html *h, const struct tbl_span *sp) 103 { 104 const struct tbl_dat *dp; 105 struct tag *tt; 106 int ic; 107 108 /* Inhibit printing of spaces: we do padding ourselves. */ 109 110 if (h->tblt == NULL) 111 html_tblopen(h, sp); 112 113 assert(h->tblt); 114 115 h->flags |= HTML_NONOSPACE; 116 h->flags |= HTML_NOSPACE; 117 118 tt = print_otag(h, TAG_TR, ""); 119 120 switch (sp->pos) { 121 case TBL_SPAN_HORIZ: 122 case TBL_SPAN_DHORIZ: 123 print_otag(h, TAG_TD, "?", "colspan", "0"); 124 break; 125 default: 126 dp = sp->first; 127 for (ic = 0; ic < sp->opts->cols; ic++) { 128 print_stagq(h, tt); 129 print_otag(h, TAG_TD, ""); 130 131 if (dp == NULL || dp->layout->col > ic) 132 continue; 133 if (dp->layout->pos != TBL_CELL_DOWN) 134 if (dp->string != NULL) 135 print_text(h, dp->string); 136 dp = dp->next; 137 } 138 break; 139 } 140 141 print_tagq(h, tt); 142 143 h->flags &= ~HTML_NONOSPACE; 144 145 if (sp->next == NULL) { 146 assert(h->tbl.cols); 147 free(h->tbl.cols); 148 h->tbl.cols = NULL; 149 print_tblclose(h); 150 } 151 152 } 153