-/* $Id: html.c,v 1.244 2018/11/26 01:38:23 schwarze Exp $ */
+/* $Id: html.c,v 1.254 2019/03/03 13:02:11 schwarze Exp $ */
/*
* Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2011-2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011-2015, 2017-2019 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
{"title", HTML_NLAROUND},
{"div", HTML_NLAROUND},
{"div", 0},
+ {"section", HTML_NLALL},
{"h1", HTML_NLAROUND},
{"h2", HTML_NLAROUND},
{"span", 0},
{"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},
/* 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 *);
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);
void *
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);
ohash_delete(&id_unique);
}
+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)
{
print_tagq(h, t);
}
-static void
+void
print_metaf(struct html *h, enum mandoc_esc deco)
{
enum htmlfont font;
font = HTMLFONT_NONE;
break;
default:
- abort();
+ return;
}
if (h->metaf) {
}
}
+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)
{
print_encode(struct html *h, const char *p, const char *pend, int norecurse)
{
char numbuf[16];
- struct tag *t;
const char *seq;
size_t sz;
int c, len, breakline, nospace;
if (breakline &&
(p >= pend || *p == ' ' || *p == ASCII_NBRSP)) {
- t = print_otag(h, TAG_DIV, "");
- print_text(h, "\\~");
- print_tagq(h, t);
+ print_otag(h, TAG_BR, "");
breakline = 0;
while (p < pend && (*p == ' ' || *p == ASCII_NBRSP))
p++;
continue;
esc = mandoc_escape(&p, &seq, &len);
- if (ESCAPE_ERROR == esc)
- break;
-
switch (esc) {
case ESCAPE_FONT:
case ESCAPE_FONTPREV:
case ESCAPE_SKIPCHAR:
h->flags |= HTML_SKIPCHAR;
continue;
+ case ESCAPE_ERROR:
+ continue;
default:
break;
}
if (c <= 0)
continue;
break;
+ case ESCAPE_UNDEF:
+ c = *seq;
+ break;
case ESCAPE_DEVICE:
print_word(h, "html");
continue;
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;
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;
{
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;
-
- 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);
+ 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);
+ }
+ if (tag->refcnt == 0) {
+ h->tag = tag->next;
+ free(tag);
+ }
}
void
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);
-}
-
/***********************************************************************
* Low level output functions.