1 /* $Id: html.h,v 1.92 2018/06/25 16:54:59 schwarze Exp $ */ 2 /* 3 * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv> 4 * Copyright (c) 2017, 2018 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 19 enum htmltag { 20 TAG_HTML, 21 TAG_HEAD, 22 TAG_BODY, 23 TAG_META, 24 TAG_TITLE, 25 TAG_DIV, 26 TAG_IDIV, 27 TAG_H1, 28 TAG_H2, 29 TAG_SPAN, 30 TAG_LINK, 31 TAG_BR, 32 TAG_A, 33 TAG_TABLE, 34 TAG_TR, 35 TAG_TD, 36 TAG_LI, 37 TAG_UL, 38 TAG_OL, 39 TAG_DL, 40 TAG_DT, 41 TAG_DD, 42 TAG_PRE, 43 TAG_VAR, 44 TAG_CITE, 45 TAG_B, 46 TAG_I, 47 TAG_CODE, 48 TAG_SMALL, 49 TAG_STYLE, 50 TAG_MATH, 51 TAG_MROW, 52 TAG_MI, 53 TAG_MN, 54 TAG_MO, 55 TAG_MSUP, 56 TAG_MSUB, 57 TAG_MSUBSUP, 58 TAG_MFRAC, 59 TAG_MSQRT, 60 TAG_MFENCED, 61 TAG_MTABLE, 62 TAG_MTR, 63 TAG_MTD, 64 TAG_MUNDEROVER, 65 TAG_MUNDER, 66 TAG_MOVER, 67 TAG_MAX 68 }; 69 70 enum htmlfont { 71 HTMLFONT_NONE = 0, 72 HTMLFONT_BOLD, 73 HTMLFONT_ITALIC, 74 HTMLFONT_BI, 75 HTMLFONT_MAX 76 }; 77 78 struct tag { 79 struct tag *next; 80 enum htmltag tag; 81 }; 82 83 struct html { 84 int flags; 85 #define HTML_NOSPACE (1 << 0) /* suppress next space */ 86 #define HTML_IGNDELIM (1 << 1) 87 #define HTML_KEEP (1 << 2) 88 #define HTML_PREKEEP (1 << 3) 89 #define HTML_NONOSPACE (1 << 4) /* never add spaces */ 90 #define HTML_LITERAL (1 << 5) /* literal (e.g., <PRE>) context */ 91 #define HTML_SKIPCHAR (1 << 6) /* skip the next character */ 92 #define HTML_NOSPLIT (1 << 7) /* do not break line before .An */ 93 #define HTML_SPLIT (1 << 8) /* break line before .An */ 94 #define HTML_NONEWLINE (1 << 9) /* No line break in nofill mode. */ 95 #define HTML_BUFFER (1 << 10) /* Collect a word to see if it fits. */ 96 size_t indent; /* current output indentation level */ 97 int noindent; /* indent disabled by <pre> */ 98 size_t col; /* current output byte position */ 99 size_t bufcol; /* current buf byte position */ 100 char buf[80]; /* output buffer */ 101 struct tag *tag; /* last open tag */ 102 struct rofftbl tbl; /* current table */ 103 struct tag *tblt; /* current open table scope */ 104 char *base_man; /* base for manpage href */ 105 char *base_includes; /* base for include href */ 106 char *style; /* style-sheet URI */ 107 struct tag *metaf; /* current open font scope */ 108 enum htmlfont metal; /* last used font */ 109 enum htmlfont metac; /* current font mode */ 110 int oflags; /* output options */ 111 #define HTML_FRAGMENT (1 << 0) /* don't emit HTML/HEAD/BODY */ 112 }; 113 114 115 struct roff_node; 116 struct tbl_span; 117 struct eqn_box; 118 119 void roff_html_pre(struct html *, const struct roff_node *); 120 121 void print_gen_comment(struct html *, struct roff_node *); 122 void print_gen_decls(struct html *); 123 void print_gen_head(struct html *); 124 struct tag *print_otag(struct html *, enum htmltag, const char *, ...); 125 void print_tagq(struct html *, const struct tag *); 126 void print_stagq(struct html *, const struct tag *); 127 void print_text(struct html *, const char *); 128 void print_tblclose(struct html *); 129 void print_tbl(struct html *, const struct tbl_span *); 130 void print_eqn(struct html *, const struct eqn_box *); 131 void print_paragraph(struct html *); 132 void print_endline(struct html *); 133 134 char *html_make_id(const struct roff_node *, int); 135