=================================================================== RCS file: /cvs/mandoc/html.c,v retrieving revision 1.180 retrieving revision 1.194 diff -u -p -r1.180 -r1.194 --- mandoc/html.c 2014/10/28 17:36:19 1.180 +++ mandoc/html.c 2017/01/17 01:47:51 1.194 @@ -1,15 +1,15 @@ -/* $Id: html.c,v 1.180 2014/10/28 17:36:19 schwarze Exp $ */ +/* $Id: html.c,v 1.194 2017/01/17 01:47:51 schwarze Exp $ */ /* * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons - * Copyright (c) 2011, 2012, 2013, 2014 Ingo Schwarze + * Copyright (c) 2011-2015, 2017 Ingo Schwarze * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF @@ -30,9 +30,9 @@ #include "mandoc.h" #include "mandoc_aux.h" -#include "libmandoc.h" #include "out.h" #include "html.h" +#include "manconf.h" #include "main.h" struct htmldata { @@ -92,22 +92,6 @@ static const struct htmldata htmltags[TAG_MAX] = { {"mover", 0}, /* TAG_MOVER*/ }; -static const char *const htmlattrs[ATTR_MAX] = { - "name", /* ATTR_NAME */ - "rel", /* ATTR_REL */ - "href", /* ATTR_HREF */ - "type", /* ATTR_TYPE */ - "media", /* ATTR_MEDIA */ - "class", /* ATTR_CLASS */ - "style", /* ATTR_STYLE */ - "id", /* ATTR_ID */ - "colspan", /* ATTR_COLSPAN */ - "charset", /* ATTR_CHARSET */ - "open", /* ATTR_OPEN */ - "close", /* ATTR_CLOSE */ - "mathvariant", /* ATTR_MATHVARIANT */ -}; - static const char *const roffscales[SCALE_MAX] = { "cm", /* SCALE_CM */ "in", /* SCALE_IN */ @@ -121,8 +105,9 @@ static const char *const roffscales[SCALE_MAX] = { "ex", /* SCALE_FS */ }; +static void a2width(const char *, struct roffsu *); static void bufncat(struct html *, const char *, size_t); -static void print_ctag(struct html *, enum htmltag); +static void print_ctag(struct html *, struct tag *); static int print_escape(char); static int print_encode(struct html *, const char *, int); static void print_metaf(struct html *, enum mandoc_esc); @@ -130,42 +115,20 @@ static void print_attr(struct html *, const char *, c void * -html_alloc(const struct mchars *mchars, char *outopts) +html_alloc(const struct manoutput *outopts) { struct html *h; - const char *toks[5]; - char *v; - toks[0] = "style"; - toks[1] = "man"; - toks[2] = "includes"; - toks[3] = "fragment"; - toks[4] = NULL; - h = mandoc_calloc(1, sizeof(struct html)); h->tags.head = NULL; - h->symtab = mchars; + h->style = outopts->style; + h->base_man = outopts->man; + h->base_includes = outopts->includes; + if (outopts->fragment) + h->oflags |= HTML_FRAGMENT; - while (outopts && *outopts) - switch (getsubopt(&outopts, UNCONST(toks), &v)) { - case 0: - h->style = v; - break; - case 1: - h->base_man = v; - break; - case 2: - h->base_includes = v; - break; - case 3: - h->oflags |= HTML_FRAGMENT; - break; - default: - break; - } - - return(h); + return h; } void @@ -187,17 +150,14 @@ html_free(void *p) void print_gen_head(struct html *h) { - struct htmlpair tag[4]; struct tag *t; - tag[0].key = ATTR_CHARSET; - tag[0].val = "utf-8"; - print_otag(h, TAG_META, 1, tag); + print_otag(h, TAG_META, "?", "charset", "utf-8"); /* * Print a default style-sheet. */ - t = print_otag(h, TAG_STYLE, 0, NULL); + t = print_otag(h, TAG_STYLE, ""); print_text(h, "table.head, table.foot { width: 100%; }\n" "td.head-rtitle, td.foot-os { text-align: right; }\n" "td.head-vol { text-align: center; }\n" @@ -206,17 +166,9 @@ print_gen_head(struct html *h) "div.spacer { margin: 1em 0; }\n"); print_tagq(h, t); - if (h->style) { - tag[0].key = ATTR_REL; - tag[0].val = "stylesheet"; - tag[1].key = ATTR_HREF; - tag[1].val = h->style; - tag[2].key = ATTR_TYPE; - tag[2].val = "text/css"; - tag[3].key = ATTR_MEDIA; - tag[3].val = "all"; - print_otag(h, TAG_LINK, 4, tag); - } + if (h->style) + print_otag(h, TAG_LINK, "?h??", "rel", "stylesheet", + h->style, "type", "text/css", "media", "all"); } static void @@ -238,13 +190,11 @@ print_metaf(struct html *h, enum mandoc_esc deco) font = HTMLFONT_BI; break; case ESCAPE_FONT: - /* FALLTHROUGH */ case ESCAPE_FONTROMAN: font = HTMLFONT_NONE; break; default: abort(); - /* NOTREACHED */ } if (h->metaf) { @@ -257,14 +207,14 @@ print_metaf(struct html *h, enum mandoc_esc deco) switch (font) { case HTMLFONT_ITALIC: - h->metaf = print_otag(h, TAG_I, 0, NULL); + h->metaf = print_otag(h, TAG_I, ""); break; case HTMLFONT_BOLD: - h->metaf = print_otag(h, TAG_B, 0, NULL); + h->metaf = print_otag(h, TAG_B, ""); break; case HTMLFONT_BI: - h->metaf = print_otag(h, TAG_B, 0, NULL); - print_otag(h, TAG_I, 0, NULL); + h->metaf = print_otag(h, TAG_B, ""); + print_otag(h, TAG_I, ""); break; default: break; @@ -302,12 +252,11 @@ html_strlen(const char *cp) cp++; switch (mandoc_escape(&cp, NULL, NULL)) { case ESCAPE_ERROR: - return(sz); + return sz; case ESCAPE_UNICODE: - /* FALLTHROUGH */ case ESCAPE_NUMBERED: - /* FALLTHROUGH */ case ESCAPE_SPECIAL: + case ESCAPE_OVERSTRIKE: if (skip) skip = 0; else @@ -320,7 +269,7 @@ html_strlen(const char *cp) break; } } - return(sz); + return sz; } static int @@ -341,17 +290,17 @@ print_escape(char c) printf("""); break; case ASCII_NBRSP: - putchar('-'); + printf(" "); break; case ASCII_HYPH: putchar('-'); - /* FALLTHROUGH */ + break; case ASCII_BREAK: break; default: - return(0); + return 0; } - return(1); + return 1; } static int @@ -390,15 +339,10 @@ print_encode(struct html *h, const char *p, int norecu switch (esc) { case ESCAPE_FONT: - /* FALLTHROUGH */ case ESCAPE_FONTPREV: - /* FALLTHROUGH */ case ESCAPE_FONTBOLD: - /* FALLTHROUGH */ case ESCAPE_FONTITALIC: - /* FALLTHROUGH */ case ESCAPE_FONTBI: - /* FALLTHROUGH */ case ESCAPE_FONTROMAN: if (0 == norecurse) print_metaf(h, esc); @@ -422,20 +366,28 @@ print_encode(struct html *h, const char *p, int norecu break; case ESCAPE_NUMBERED: c = mchars_num2char(seq, len); + if (c < 0) + continue; break; case ESCAPE_SPECIAL: - c = mchars_spec2cp(h->symtab, seq, len); + c = mchars_spec2cp(seq, len); + if (c <= 0) + continue; break; case ESCAPE_NOSPACE: if ('\0' == *p) nospace = 1; continue; + case ESCAPE_OVERSTRIKE: + if (len == 0) + continue; + c = seq[len - 1]; + break; default: continue; } - if (c <= 0) - continue; - if (c < 0x20 || (c > 0x7E && c < 0xA0)) + if ((c < 0x20 && c != 0x09) || + (c > 0x7E && c < 0xA0)) c = 0xFFFD; if (c > 0x7E) printf("&#%d;", c); @@ -443,7 +395,7 @@ print_encode(struct html *h, const char *p, int norecu putchar(c); } - return(nospace); + return nospace; } static void @@ -455,11 +407,13 @@ print_attr(struct html *h, const char *key, const char } struct tag * -print_otag(struct html *h, enum htmltag tag, - int sz, const struct htmlpair *p) +print_otag(struct html *h, enum htmltag tag, const char *fmt, ...) { - int i; + va_list ap; + struct roffsu mysu, *su; struct tag *t; + char *s; + int i, have_style; /* Push this tags onto the stack of open scopes. */ @@ -490,9 +444,105 @@ print_otag(struct html *h, enum htmltag tag, /* Print out the tag name and attributes. */ printf("<%s", htmltags[tag].name); - for (i = 0; i < sz; i++) - print_attr(h, htmlattrs[p[i].key], p[i].val); + va_start(ap, fmt); + + have_style = 0; + while (*fmt != '\0') { + if (*fmt == 's') { + printf(" style=\""); + have_style = 1; + fmt++; + break; + } + s = va_arg(ap, char *); + switch (*fmt++) { + case 'c': + print_attr(h, "class", s); + break; + case 'h': + print_attr(h, "href", s); + break; + case 'i': + print_attr(h, "id", s); + break; + case '?': + print_attr(h, s, va_arg(ap, char *)); + break; + default: + abort(); + } + } + + /* Print out styles. */ + + s = NULL; + su = &mysu; + while (*fmt != '\0') { + + /* First letter: input argument type. */ + + switch (*fmt++) { + case 'h': + i = va_arg(ap, int); + SCALE_HS_INIT(su, i); + break; + case 's': + s = va_arg(ap, char *); + break; + case 'u': + su = va_arg(ap, struct roffsu *); + break; + case 'v': + i = va_arg(ap, int); + SCALE_VS_INIT(su, i); + break; + case 'w': + s = va_arg(ap, char *); + a2width(s, su); + break; + default: + abort(); + } + + /* Second letter: style name. */ + + bufinit(h); + switch (*fmt++) { + case 'b': + bufcat_su(h, "margin-bottom", su); + break; + case 'h': + bufcat_su(h, "height", su); + break; + case 'i': + bufcat_su(h, "text-indent", su); + break; + case 'l': + bufcat_su(h, "margin-left", su); + break; + case 't': + bufcat_su(h, "margin-top", su); + break; + case 'w': + bufcat_su(h, "width", su); + break; + case 'W': + bufcat_su(h, "min-width", su); + break; + case '?': + bufcat_style(h, s, va_arg(ap, char *)); + break; + default: + abort(); + } + printf("%s", h->buf); + } + if (have_style) + putchar('"'); + + va_end(ap); + /* Accommodate for "well-formed" singleton escaping. */ if (HTML_AUTOCLOSE & htmltags[tag].flags) @@ -505,18 +555,30 @@ print_otag(struct html *h, enum htmltag tag, if ((HTML_AUTOCLOSE | HTML_CLRLINE) & htmltags[tag].flags) putchar('\n'); - return(t); + return t; } static void -print_ctag(struct html *h, enum htmltag tag) +print_ctag(struct html *h, struct tag *tag) { - printf("", htmltags[tag].name); - if (HTML_CLRLINE & htmltags[tag].flags) { + /* + * Remember to close out and nullify the current + * meta-font and table, if applicable. + */ + if (tag == h->metaf) + h->metaf = NULL; + if (tag == h->tblt) + h->tblt = NULL; + + printf("", htmltags[tag->tag].name); + if (HTML_CLRLINE & htmltags[tag->tag].flags) { h->flags |= HTML_NOSPACE; putchar('\n'); } + + h->tags.head = tag->next; + free(tag); } void @@ -543,14 +605,14 @@ print_text(struct html *h, const char *word) assert(NULL == h->metaf); switch (h->metac) { case HTMLFONT_ITALIC: - h->metaf = print_otag(h, TAG_I, 0, NULL); + h->metaf = print_otag(h, TAG_I, ""); break; case HTMLFONT_BOLD: - h->metaf = print_otag(h, TAG_B, 0, NULL); + h->metaf = print_otag(h, TAG_B, ""); break; case HTMLFONT_BI: - h->metaf = print_otag(h, TAG_B, 0, NULL); - print_otag(h, TAG_I, 0, NULL); + h->metaf = print_otag(h, TAG_B, ""); + print_otag(h, TAG_I, ""); break; default: break; @@ -560,8 +622,9 @@ print_text(struct html *h, const char *word) if ( ! print_encode(h, word, 0)) { if ( ! (h->flags & HTML_NONOSPACE)) h->flags &= ~HTML_NOSPACE; + h->flags &= ~HTML_NONEWLINE; } else - h->flags |= HTML_NOSPACE; + h->flags |= HTML_NOSPACE | HTML_NONEWLINE; if (h->metaf) { print_tagq(h, h->metaf); @@ -577,17 +640,7 @@ print_tagq(struct html *h, const struct tag *until) struct tag *tag; while ((tag = h->tags.head) != NULL) { - /* - * Remember to close out and nullify the current - * meta-font and table, if applicable. - */ - if (tag == h->metaf) - h->metaf = NULL; - if (tag == h->tblt) - h->tblt = NULL; - print_ctag(h, tag->tag); - h->tags.head = tag->next; - free(tag); + print_ctag(h, tag); if (until && tag == until) return; } @@ -601,17 +654,7 @@ print_stagq(struct html *h, const struct tag *suntil) while ((tag = h->tags.head) != NULL) { if (suntil && tag == suntil) return; - /* - * Remember to close out and nullify the current - * meta-font and table, if applicable. - */ - if (tag == h->metaf) - h->metaf = NULL; - if (tag == h->tblt) - h->tblt = NULL; - print_ctag(h, tag->tag); - h->tags.head = tag->next; - free(tag); + print_ctag(h, tag); } } @@ -619,14 +662,27 @@ void print_paragraph(struct html *h) { struct tag *t; - struct htmlpair tag; - PAIR_CLASS_INIT(&tag, "spacer"); - t = print_otag(h, TAG_DIV, 1, &tag); + t = print_otag(h, TAG_DIV, "c", "spacer"); print_tagq(h, t); } +/* + * Calculate the scaling unit passed in a `-width' argument. This uses + * either a native scaling unit (e.g., 1i, 2m) or the string length of + * the value. + */ +static void +a2width(const char *p, struct roffsu *su) +{ + if (a2roffsu(p, su, SCALE_MAX) < 2) { + su->unit = SCALE_EN; + su->scale = html_strlen(p); + } else if (su->scale < 0.0) + su->scale = 0.0; +} + void bufinit(struct html *h) { @@ -691,7 +747,7 @@ buffmt_includes(struct html *h, const char *name) while (NULL != (p = strchr(pp, '%'))) { bufncat(h, pp, (size_t)(p - pp)); switch (*(p + 1)) { - case'I': + case 'I': bufcat(h, name); break; default: @@ -749,8 +805,8 @@ void bufcat_id(struct html *h, const char *src) { - /* Cf. . */ + /* Cf. . */ - while ('\0' != *src) - bufcat_fmt(h, "%.2x", *src++); + for (; '\0' != *src; src++) + bufncat(h, *src == ' ' ? "_" : src, 1); }