-/* $Id: html.c,v 1.207 2017/02/05 20:22:04 schwarze Exp $ */
+/* $Id: html.c,v 1.229 2018/05/25 20:23:51 schwarze Exp $ */
/*
* Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2011-2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011-2015, 2017, 2018 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
#include <assert.h>
#include <ctype.h>
#include <stdarg.h>
+#include <stddef.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
-#include "mandoc.h"
#include "mandoc_aux.h"
+#include "mandoc_ohash.h"
+#include "mandoc.h"
+#include "roff.h"
#include "out.h"
#include "html.h"
#include "manconf.h"
{"meta", HTML_NOSTACK | HTML_AUTOCLOSE | HTML_NLALL},
{"title", HTML_NLAROUND},
{"div", HTML_NLAROUND},
+ {"div", 0},
{"h1", HTML_NLAROUND},
{"h2", HTML_NLAROUND},
{"span", 0},
{"math", HTML_NLALL | HTML_INDENT},
{"mrow", 0},
{"mi", 0},
+ {"mn", 0},
{"mo", 0},
{"msup", 0},
{"msub", 0},
"ex", /* SCALE_FS */
};
+/* Avoid duplicate HTML id= attributes. */
+static struct ohash id_unique;
+
static void a2width(const char *, struct roffsu *);
static void print_byte(struct html *, char);
static void print_endword(struct html *);
if (outopts->fragment)
h->oflags |= HTML_FRAGMENT;
+ mandoc_ohash_init(&id_unique, 4, 0);
+
return 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);
+ cp = ohash_next(&id_unique, &slot);
+ }
+ ohash_delete(&id_unique);
}
void
struct tag *t;
print_otag(h, TAG_META, "?", "charset", "utf-8");
+ if (h->style != NULL) {
+ print_otag(h, TAG_LINK, "?h??", "rel", "stylesheet",
+ h->style, "type", "text/css", "media", "all");
+ return;
+ }
/*
- * Print a default style-sheet.
+ * Print a minimal embedded style sheet.
*/
t = print_otag(h, TAG_STYLE, "");
print_text(h, "td.head-vol { text-align: center; }");
print_endline(h);
print_text(h, "div.Pp { margin: 1ex 0ex; }");
+ print_endline(h);
+ print_text(h, "div.Nd, div.Bf, div.Op { display: inline; }");
+ print_endline(h);
+ print_text(h, "span.Pa, span.Ad { font-style: italic; }");
+ print_endline(h);
+ print_text(h, "span.Ms { font-weight: bold; }");
+ print_endline(h);
+ print_text(h, "dl.Bl-diag ");
+ print_byte(h, '>');
+ print_text(h, " dt { font-weight: bold; }");
+ print_endline(h);
+ print_text(h, "code.Nm, code.Fl, code.Cm, code.Ic, "
+ "code.In, code.Fd, code.Fn,");
+ print_endline(h);
+ print_text(h, "code.Cd { font-weight: bold; "
+ "font-family: inherit; }");
print_tagq(h, t);
-
- if (h->style)
- print_otag(h, TAG_LINK, "?h??", "rel", "stylesheet",
- h->style, "type", "text/css", "media", "all");
}
static void
}
}
+char *
+html_make_id(const struct roff_node *n, int unique)
+{
+ const struct roff_node *nch;
+ char *buf, *bufs, *cp;
+ unsigned int slot;
+ int suffix;
+
+ for (nch = n->child; nch != NULL; nch = nch->next)
+ if (nch->type != ROFFT_TEXT)
+ return NULL;
+
+ buf = NULL;
+ deroff(&buf, n);
+ if (buf == NULL)
+ return NULL;
+
+ /* http://www.w3.org/TR/html5/dom.html#the-id-attribute */
+
+ for (cp = buf; *cp != '\0'; cp++)
+ if (*cp == ' ')
+ *cp = '_';
+
+ if (unique == 0)
+ return buf;
+
+ /* Avoid duplicate HTML id= attributes. */
+
+ bufs = NULL;
+ suffix = 1;
+ slot = ohash_qlookup(&id_unique, buf);
+ cp = ohash_find(&id_unique, slot);
+ if (cp != NULL) {
+ while (cp != NULL) {
+ free(bufs);
+ if (++suffix > 127) {
+ free(buf);
+ return NULL;
+ }
+ mandoc_asprintf(&bufs, "%s_%d", buf, suffix);
+ slot = ohash_qlookup(&id_unique, bufs);
+ cp = ohash_find(&id_unique, slot);
+ }
+ free(buf);
+ buf = bufs;
+ }
+ ohash_insert(&id_unique, slot, buf);
+ return buf;
+}
+
int
html_strlen(const char *cp)
{
print_encode(struct html *h, const char *p, const char *pend, int norecurse)
{
char numbuf[16];
- size_t sz;
- int c, len, nospace;
+ struct tag *t;
const char *seq;
+ size_t sz;
+ int c, len, breakline, nospace;
enum mandoc_esc esc;
- static const char rejs[9] = { '\\', '<', '>', '&', '"',
+ static const char rejs[10] = { ' ', '\\', '<', '>', '&', '"',
ASCII_NBRSP, ASCII_HYPH, ASCII_BREAK, '\0' };
if (pend == NULL)
pend = strchr(p, '\0');
+ breakline = 0;
nospace = 0;
while (p < pend) {
}
for (sz = strcspn(p, rejs); sz-- && p < pend; p++)
- if (*p == ' ')
- print_endword(h);
- else
- print_byte(h, *p);
+ print_byte(h, *p);
+
+ if (breakline &&
+ (p >= pend || *p == ' ' || *p == ASCII_NBRSP)) {
+ t = print_otag(h, TAG_DIV, "");
+ print_text(h, "\\~");
+ print_tagq(h, t);
+ breakline = 0;
+ while (p < pend && (*p == ' ' || *p == ASCII_NBRSP))
+ p++;
+ continue;
+ }
if (p >= pend)
break;
+ if (*p == ' ') {
+ print_endword(h);
+ p++;
+ continue;
+ }
+
if (print_escape(h, *p++))
continue;
if (c <= 0)
continue;
break;
+ case ESCAPE_BREAK:
+ breakline = 1;
+ continue;
case ESCAPE_NOSPACE:
if ('\0' == *p)
nospace = 1;
(c > 0x7E && c < 0xA0))
c = 0xFFFD;
if (c > 0x7E) {
- (void)snprintf(numbuf, sizeof(numbuf), "&#%d;", c);
+ (void)snprintf(numbuf, sizeof(numbuf), "&#x%.4X;", c);
print_word(h, numbuf);
} else if (print_escape(h, c) == 0)
print_byte(h, c);
print_indent(h);
else if ((h->flags & HTML_NOSPACE) == 0) {
if (h->flags & HTML_KEEP)
- print_word(h, " ");
+ print_word(h, " ");
else {
if (h->flags & HTML_PREKEEP)
h->flags |= HTML_KEEP;
print_byte(h, '=');
print_byte(h, '"');
switch (*fmt) {
- case 'M':
- print_href(h, arg1, arg2, 1);
- fmt++;
- break;
case 'I':
print_href(h, arg1, NULL, 0);
fmt++;
break;
+ case 'M':
+ print_href(h, arg1, arg2, 1);
+ fmt++;
+ break;
case 'R':
print_byte(h, '#');
+ print_encode(h, arg1, NULL, 1);
fmt++;
- /* FALLTHROUGH */
+ 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;
case 'u':
su = va_arg(ap, struct roffsu *);
break;
- case 'v':
- i = va_arg(ap, int);
- su = &mysu;
- SCALE_VS_INIT(su, i);
- break;
case 'w':
- case 'W':
- if ((arg2 = va_arg(ap, char *)) == NULL)
- break;
- su = &mysu;
- a2width(arg2, su);
- if (fmt[-1] == 'W')
- su->scale *= -1.0;
+ if ((arg2 = va_arg(ap, char *)) != NULL) {
+ su = &mysu;
+ a2width(arg2, su);
+ }
+ if (*fmt == '*') {
+ if (su != NULL && su->unit == SCALE_EN &&
+ su->scale > 5.9 && su->scale < 6.1)
+ su = NULL;
+ fmt++;
+ }
+ if (*fmt == '+') {
+ if (su != NULL) {
+ /* Make even bold text fit. */
+ su->scale *= 1.2;
+ /* Add padding. */
+ su->scale += 3.0;
+ }
+ fmt++;
+ }
+ if (*fmt == '-') {
+ if (su != NULL)
+ su->scale *= -1.0;
+ fmt++;
+ }
break;
default:
abort();
/* Second letter: style name. */
switch (*fmt++) {
- case 'b':
- attr = "margin-bottom";
- break;
case 'h':
attr = "height";
break;
case 'l':
attr = "margin-left";
break;
- case 't':
- attr = "margin-top";
- break;
case 'w':
attr = "width";
break;
print_endline(h);
}
+void
+print_gen_comment(struct html *h, struct roff_node *n)
+{
+ int wantblank;
+
+ print_word(h, "<!-- This is an automatically generated file."
+ " Do not edit.");
+ h->indent = 1;
+ wantblank = 0;
+ while (n != NULL && n->type == ROFFT_COMMENT) {
+ if (strstr(n->string, "-->") == NULL &&
+ (wantblank || *n->string != '\0')) {
+ print_endline(h);
+ print_indent(h);
+ print_word(h, n->string);
+ wantblank = *n->string != '\0';
+ }
+ n = n->next;
+ }
+ if (wantblank)
+ print_endline(h);
+ print_word(h, " -->");
+ print_endline(h);
+ h->indent = 0;
+}
+
void
print_text(struct html *h, const char *word)
{
h->flags |= HTML_KEEP;
print_endword(h);
} else
- print_word(h, " ");
+ print_word(h, " ");
}
assert(NULL == h->metaf);
static void
a2width(const char *p, struct roffsu *su)
{
- if (a2roffsu(p, su, SCALE_MAX) < 2) {
+ const char *end;
+
+ end = a2roffsu(p, su, SCALE_MAX);
+ if (end == NULL || *end != '\0') {
su->unit = SCALE_EN;
su->scale = html_strlen(p);
} else if (su->scale < 0.0)