=================================================================== RCS file: /cvs/mandoc/html.c,v retrieving revision 1.246 retrieving revision 1.255 diff -u -p -r1.246 -r1.255 --- mandoc/html.c 2018/12/15 19:30:26 1.246 +++ mandoc/html.c 2019/04/30 15:53:00 1.255 @@ -1,7 +1,7 @@ -/* $Id: html.c,v 1.246 2018/12/15 19:30:26 schwarze Exp $ */ +/* $Id: html.c,v 1.255 2019/04/30 15:53:00 schwarze Exp $ */ /* * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons - * Copyright (c) 2011-2015, 2017, 2018 Ingo Schwarze + * Copyright (c) 2011-2015, 2017-2019 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 @@ -63,6 +63,7 @@ static const struct htmldata htmltags[TAG_MAX] = { {"title", HTML_NLAROUND}, {"div", HTML_NLAROUND}, {"div", 0}, + {"section", HTML_NLALL}, {"h1", HTML_NLAROUND}, {"h2", HTML_NLAROUND}, {"span", 0}, @@ -78,6 +79,7 @@ static const struct htmldata htmltags[TAG_MAX] = { {"dl", HTML_NLALL | HTML_INDENT}, {"dt", HTML_NLAROUND}, {"dd", HTML_NLAROUND | HTML_INDENT}, + {"p", HTML_NLAROUND | HTML_INDENT}, {"pre", HTML_NLALL | HTML_NOINDENT}, {"var", 0}, {"cite", 0}, @@ -108,6 +110,7 @@ static const struct htmldata htmltags[TAG_MAX] = { /* Avoid duplicate HTML id= attributes. */ static struct ohash id_unique; +static void html_reset_internal(struct html *); static void print_byte(struct html *, char); static void print_endword(struct html *); static void print_indent(struct html *); @@ -117,7 +120,7 @@ static void print_ctag(struct html *, struct tag *); static int print_escape(struct html *, char); static int print_encode(struct html *, const char *, const char *, int); static void print_href(struct html *, const char *, const char *, int); -static void print_metaf(struct html *, enum mandoc_esc); +static void print_metaf(struct html *); void * @@ -144,21 +147,17 @@ html_alloc(const struct manoutput *outopts) return h; } -void -html_free(void *p) +static void +html_reset_internal(struct html *h) { struct tag *tag; - struct html *h; char *cp; unsigned int slot; - h = (struct html *)p; while ((tag = h->tag) != NULL) { h->tag = tag->next; free(tag); } - free(h); - cp = ohash_first(&id_unique, &slot); while (cp != NULL) { free(cp); @@ -168,6 +167,20 @@ html_free(void *p) } void +html_reset(void *p) +{ + html_reset_internal(p); + mandoc_ohash_init(&id_unique, 4, 0); +} + +void +html_free(void *p) +{ + html_reset_internal(p); + free(p); +} + +void print_gen_head(struct html *h) { struct tag *t; @@ -210,55 +223,49 @@ print_gen_head(struct html *h) print_tagq(h, t); } -static void -print_metaf(struct html *h, enum mandoc_esc deco) +int +html_setfont(struct html *h, enum mandoc_esc font) { - enum htmlfont font; - - switch (deco) { + switch (font) { case ESCAPE_FONTPREV: font = h->metal; break; case ESCAPE_FONTITALIC: - font = HTMLFONT_ITALIC; - break; case ESCAPE_FONTBOLD: - font = HTMLFONT_BOLD; - break; case ESCAPE_FONTBI: - font = HTMLFONT_BI; - break; case ESCAPE_FONTCW: - font = HTMLFONT_CW; + case ESCAPE_FONTROMAN: break; case ESCAPE_FONT: - case ESCAPE_FONTROMAN: - font = HTMLFONT_NONE; + font = ESCAPE_FONTROMAN; break; default: - abort(); + return 0; } + h->metal = h->metac; + h->metac = font; + return 1; +} +static void +print_metaf(struct html *h) +{ if (h->metaf) { print_tagq(h, h->metaf); h->metaf = NULL; } - - h->metal = h->metac; - h->metac = font; - - switch (font) { - case HTMLFONT_ITALIC: + switch (h->metac) { + case ESCAPE_FONTITALIC: h->metaf = print_otag(h, TAG_I, ""); break; - case HTMLFONT_BOLD: + case ESCAPE_FONTBOLD: h->metaf = print_otag(h, TAG_B, ""); break; - case HTMLFONT_BI: + case ESCAPE_FONTBI: h->metaf = print_otag(h, TAG_B, ""); print_otag(h, TAG_I, ""); break; - case HTMLFONT_CW: + case ESCAPE_FONTCW: h->metaf = print_otag(h, TAG_SPAN, "c", "Li"); break; default: @@ -266,6 +273,61 @@ print_metaf(struct html *h, enum mandoc_esc deco) } } +void +html_close_paragraph(struct html *h) +{ + struct tag *t; + + for (t = h->tag; t != NULL && t->closed == 0; t = t->next) { + switch(t->tag) { + case TAG_P: + case TAG_PRE: + print_tagq(h, t); + break; + case TAG_A: + print_tagq(h, t); + continue; + default: + continue; + } + break; + } +} + +/* + * ROFF_nf switches to no-fill mode, ROFF_fi to fill mode. + * TOKEN_NONE does not switch. The old mode is returned. + */ +enum roff_tok +html_fillmode(struct html *h, enum roff_tok want) +{ + struct tag *t; + enum roff_tok had; + + for (t = h->tag; t != NULL; t = t->next) + if (t->tag == TAG_PRE) + break; + + had = t == NULL ? ROFF_fi : ROFF_nf; + + if (want != had) { + switch (want) { + case ROFF_fi: + print_tagq(h, t); + break; + case ROFF_nf: + html_close_paragraph(h); + print_otag(h, TAG_PRE, ""); + break; + case TOKEN_NONE: + break; + default: + abort(); + } + } + return had; +} + char * html_make_id(const struct roff_node *n, int unique) { @@ -412,7 +474,8 @@ print_encode(struct html *h, const char *p, const char case ESCAPE_FONTROMAN: if (0 == norecurse) { h->flags |= HTML_NOSPACE; - print_metaf(h, esc); + if (html_setfont(h, esc)) + print_metaf(h); h->flags &= ~HTML_NOSPACE; } continue; @@ -532,6 +595,8 @@ print_otag(struct html *h, enum htmltag tag, const cha t = mandoc_malloc(sizeof(struct tag)); t->tag = tag; t->next = h->tag; + t->refcnt = 0; + t->closed = 0; h->tag = t; } else t = NULL; @@ -610,12 +675,6 @@ print_otag(struct html *h, enum htmltag tag, const cha print_encode(h, arg1, NULL, 1); fmt++; break; - case 'T': - print_encode(h, arg1, NULL, 1); - print_word(h, "\" title=\""); - print_encode(h, arg1, NULL, 1); - fmt++; - break; default: print_encode(h, arg1, NULL, 1); break; @@ -670,33 +729,32 @@ print_ctag(struct html *h, struct tag *tag) { int tflags; - /* - * 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; + if (tag->closed == 0) { + tag->closed = 1; + if (tag == h->metaf) + h->metaf = NULL; + if (tag == h->tblt) + h->tblt = NULL; - tflags = htmltags[tag->tag].flags; - - if (tflags & HTML_INDENT) - h->indent--; - if (tflags & HTML_NOINDENT) - h->noindent--; - if (tflags & HTML_NLEND) - print_endline(h); - print_indent(h); - print_byte(h, '<'); - print_byte(h, '/'); - print_word(h, htmltags[tag->tag].name); - print_byte(h, '>'); - if (tflags & HTML_NLAFTER) - print_endline(h); - - h->tag = tag->next; - free(tag); + tflags = htmltags[tag->tag].flags; + if (tflags & HTML_INDENT) + h->indent--; + if (tflags & HTML_NOINDENT) + h->noindent--; + if (tflags & HTML_NLEND) + print_endline(h); + print_indent(h); + print_byte(h, '<'); + print_byte(h, '/'); + print_word(h, htmltags[tag->tag].name); + print_byte(h, '>'); + if (tflags & HTML_NLAFTER) + print_endline(h); + } + if (tag->refcnt == 0) { + h->tag = tag->next; + free(tag); + } } void @@ -744,27 +802,9 @@ print_text(struct html *h, const char *word) print_word(h, " "); } - assert(NULL == h->metaf); - switch (h->metac) { - case HTMLFONT_ITALIC: - h->metaf = print_otag(h, TAG_I, ""); - break; - case HTMLFONT_BOLD: - h->metaf = print_otag(h, TAG_B, ""); - break; - case HTMLFONT_BI: - h->metaf = print_otag(h, TAG_B, ""); - print_otag(h, TAG_I, ""); - break; - case HTMLFONT_CW: - h->metaf = print_otag(h, TAG_SPAN, "c", "Li"); - break; - default: - print_indent(h); - break; - } - - assert(word); + assert(h->metaf == NULL); + print_metaf(h); + print_indent(h); if ( ! print_encode(h, word, NULL, 0)) { if ( ! (h->flags & HTML_NONOSPACE)) h->flags &= ~HTML_NOSPACE; @@ -772,7 +812,7 @@ print_text(struct html *h, const char *word) } else h->flags |= HTML_NOSPACE | HTML_NONEWLINE; - if (h->metaf) { + if (h->metaf != NULL) { print_tagq(h, h->metaf); h->metaf = NULL; } @@ -783,34 +823,31 @@ print_text(struct html *h, const char *word) void print_tagq(struct html *h, const struct tag *until) { - struct tag *tag; + struct tag *this, *next; - while ((tag = h->tag) != NULL) { - print_ctag(h, tag); - if (until && tag == until) - return; + for (this = h->tag; this != NULL; this = next) { + next = this == until ? NULL : this->next; + print_ctag(h, this); } } +/* + * Close out all open elements up to but excluding suntil. + * Note that a paragraph just inside stays open together with it + * because paragraphs include subsequent phrasing content. + */ void print_stagq(struct html *h, const struct tag *suntil) { - struct tag *tag; + struct tag *this, *next; - while ((tag = h->tag) != NULL) { - if (suntil && tag == suntil) - return; - print_ctag(h, tag); + for (this = h->tag; this != NULL; this = next) { + next = this->next; + if (this == suntil || (next == suntil && + (this->tag == TAG_P || this->tag == TAG_PRE))) + break; + print_ctag(h, this); } -} - -void -print_paragraph(struct html *h) -{ - struct tag *t; - - t = print_otag(h, TAG_DIV, "c", "Pp"); - print_tagq(h, t); }