mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-12-28 22:36:24 +01:00
758 lines
15 KiB
C
758 lines
15 KiB
C
/* $Id: html.c,v 1.152 2013/08/08 20:07:47 schwarze Exp $ */
|
|
/*
|
|
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
|
|
* Copyright (c) 2011, 2012, 2013 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
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR 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
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <assert.h>
|
|
#include <ctype.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "mandoc.h"
|
|
#include "libmandoc.h"
|
|
#include "out.h"
|
|
#include "html.h"
|
|
#include "main.h"
|
|
|
|
struct htmldata {
|
|
const char *name;
|
|
int flags;
|
|
#define HTML_CLRLINE (1 << 0)
|
|
#define HTML_NOSTACK (1 << 1)
|
|
#define HTML_AUTOCLOSE (1 << 2) /* Tag has auto-closure. */
|
|
};
|
|
|
|
static const struct htmldata htmltags[TAG_MAX] = {
|
|
{"html", HTML_CLRLINE}, /* TAG_HTML */
|
|
{"head", HTML_CLRLINE}, /* TAG_HEAD */
|
|
{"body", HTML_CLRLINE}, /* TAG_BODY */
|
|
{"meta", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_META */
|
|
{"title", HTML_CLRLINE}, /* TAG_TITLE */
|
|
{"div", HTML_CLRLINE}, /* TAG_DIV */
|
|
{"h1", 0}, /* TAG_H1 */
|
|
{"h2", 0}, /* TAG_H2 */
|
|
{"span", 0}, /* TAG_SPAN */
|
|
{"link", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_LINK */
|
|
{"br", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_BR */
|
|
{"a", 0}, /* TAG_A */
|
|
{"table", HTML_CLRLINE}, /* TAG_TABLE */
|
|
{"tbody", HTML_CLRLINE}, /* TAG_TBODY */
|
|
{"col", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_COL */
|
|
{"tr", HTML_CLRLINE}, /* TAG_TR */
|
|
{"td", HTML_CLRLINE}, /* TAG_TD */
|
|
{"li", HTML_CLRLINE}, /* TAG_LI */
|
|
{"ul", HTML_CLRLINE}, /* TAG_UL */
|
|
{"ol", HTML_CLRLINE}, /* TAG_OL */
|
|
{"dl", HTML_CLRLINE}, /* TAG_DL */
|
|
{"dt", HTML_CLRLINE}, /* TAG_DT */
|
|
{"dd", HTML_CLRLINE}, /* TAG_DD */
|
|
{"blockquote", HTML_CLRLINE}, /* TAG_BLOCKQUOTE */
|
|
{"p", HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_P */
|
|
{"pre", HTML_CLRLINE }, /* TAG_PRE */
|
|
{"b", 0 }, /* TAG_B */
|
|
{"i", 0 }, /* TAG_I */
|
|
{"code", 0 }, /* TAG_CODE */
|
|
{"small", 0 }, /* TAG_SMALL */
|
|
};
|
|
|
|
static const char *const htmlattrs[ATTR_MAX] = {
|
|
"http-equiv", /* ATTR_HTTPEQUIV */
|
|
"content", /* ATTR_CONTENT */
|
|
"name", /* ATTR_NAME */
|
|
"rel", /* ATTR_REL */
|
|
"href", /* ATTR_HREF */
|
|
"type", /* ATTR_TYPE */
|
|
"media", /* ATTR_MEDIA */
|
|
"class", /* ATTR_CLASS */
|
|
"style", /* ATTR_STYLE */
|
|
"width", /* ATTR_WIDTH */
|
|
"id", /* ATTR_ID */
|
|
"summary", /* ATTR_SUMMARY */
|
|
"align", /* ATTR_ALIGN */
|
|
"colspan", /* ATTR_COLSPAN */
|
|
};
|
|
|
|
static const char *const roffscales[SCALE_MAX] = {
|
|
"cm", /* SCALE_CM */
|
|
"in", /* SCALE_IN */
|
|
"pc", /* SCALE_PC */
|
|
"pt", /* SCALE_PT */
|
|
"em", /* SCALE_EM */
|
|
"em", /* SCALE_MM */
|
|
"ex", /* SCALE_EN */
|
|
"ex", /* SCALE_BU */
|
|
"em", /* SCALE_VS */
|
|
"ex", /* SCALE_FS */
|
|
};
|
|
|
|
static void bufncat(struct html *, const char *, size_t);
|
|
static void print_ctag(struct html *, enum htmltag);
|
|
static int print_encode(struct html *, const char *, int);
|
|
static void print_metaf(struct html *, enum mandoc_esc);
|
|
static void print_attr(struct html *, const char *, const char *);
|
|
static void *ml_alloc(char *, enum htmltype);
|
|
|
|
static void *
|
|
ml_alloc(char *outopts, enum htmltype type)
|
|
{
|
|
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->type = type;
|
|
h->tags.head = NULL;
|
|
h->symtab = mchars_alloc();
|
|
|
|
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);
|
|
}
|
|
|
|
void *
|
|
html_alloc(char *outopts)
|
|
{
|
|
|
|
return(ml_alloc(outopts, HTML_HTML_4_01_STRICT));
|
|
}
|
|
|
|
|
|
void *
|
|
xhtml_alloc(char *outopts)
|
|
{
|
|
|
|
return(ml_alloc(outopts, HTML_XHTML_1_0_STRICT));
|
|
}
|
|
|
|
|
|
void
|
|
html_free(void *p)
|
|
{
|
|
struct tag *tag;
|
|
struct html *h;
|
|
|
|
h = (struct html *)p;
|
|
|
|
while ((tag = h->tags.head) != NULL) {
|
|
h->tags.head = tag->next;
|
|
free(tag);
|
|
}
|
|
|
|
if (h->symtab)
|
|
mchars_free(h->symtab);
|
|
|
|
free(h);
|
|
}
|
|
|
|
|
|
void
|
|
print_gen_head(struct html *h)
|
|
{
|
|
struct htmlpair tag[4];
|
|
|
|
tag[0].key = ATTR_HTTPEQUIV;
|
|
tag[0].val = "Content-Type";
|
|
tag[1].key = ATTR_CONTENT;
|
|
tag[1].val = "text/html; charset=utf-8";
|
|
print_otag(h, TAG_META, 2, tag);
|
|
|
|
tag[0].key = ATTR_NAME;
|
|
tag[0].val = "resource-type";
|
|
tag[1].key = ATTR_CONTENT;
|
|
tag[1].val = "document";
|
|
print_otag(h, TAG_META, 2, tag);
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
static void
|
|
print_metaf(struct html *h, enum mandoc_esc deco)
|
|
{
|
|
enum htmlfont font;
|
|
|
|
switch (deco) {
|
|
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_FONT):
|
|
/* FALLTHROUGH */
|
|
case (ESCAPE_FONTROMAN):
|
|
font = HTMLFONT_NONE;
|
|
break;
|
|
default:
|
|
abort();
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
if (h->metaf) {
|
|
print_tagq(h, h->metaf);
|
|
h->metaf = NULL;
|
|
}
|
|
|
|
h->metal = h->metac;
|
|
h->metac = font;
|
|
|
|
switch (font) {
|
|
case (HTMLFONT_ITALIC):
|
|
h->metaf = print_otag(h, TAG_I, 0, NULL);
|
|
break;
|
|
case (HTMLFONT_BOLD):
|
|
h->metaf = print_otag(h, TAG_B, 0, NULL);
|
|
break;
|
|
case (HTMLFONT_BI):
|
|
h->metaf = print_otag(h, TAG_B, 0, NULL);
|
|
print_otag(h, TAG_I, 0, NULL);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
int
|
|
html_strlen(const char *cp)
|
|
{
|
|
size_t rsz;
|
|
int skip, sz;
|
|
|
|
/*
|
|
* Account for escaped sequences within string length
|
|
* calculations. This follows the logic in term_strlen() as we
|
|
* must calculate the width of produced strings.
|
|
* Assume that characters are always width of "1". This is
|
|
* hacky, but it gets the job done for approximation of widths.
|
|
*/
|
|
|
|
sz = 0;
|
|
skip = 0;
|
|
while (1) {
|
|
rsz = strcspn(cp, "\\");
|
|
if (rsz) {
|
|
cp += rsz;
|
|
if (skip) {
|
|
skip = 0;
|
|
rsz--;
|
|
}
|
|
sz += rsz;
|
|
}
|
|
if ('\0' == *cp)
|
|
break;
|
|
cp++;
|
|
switch (mandoc_escape(&cp, NULL, NULL)) {
|
|
case (ESCAPE_ERROR):
|
|
return(sz);
|
|
case (ESCAPE_UNICODE):
|
|
/* FALLTHROUGH */
|
|
case (ESCAPE_NUMBERED):
|
|
/* FALLTHROUGH */
|
|
case (ESCAPE_SPECIAL):
|
|
if (skip)
|
|
skip = 0;
|
|
else
|
|
sz++;
|
|
break;
|
|
case (ESCAPE_SKIPCHAR):
|
|
skip = 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return(sz);
|
|
}
|
|
|
|
static int
|
|
print_encode(struct html *h, const char *p, int norecurse)
|
|
{
|
|
size_t sz;
|
|
int c, len, nospace;
|
|
const char *seq;
|
|
enum mandoc_esc esc;
|
|
static const char rejs[6] = { '\\', '<', '>', '&', ASCII_HYPH, '\0' };
|
|
|
|
nospace = 0;
|
|
|
|
while ('\0' != *p) {
|
|
if (HTML_SKIPCHAR & h->flags && '\\' != *p) {
|
|
h->flags &= ~HTML_SKIPCHAR;
|
|
p++;
|
|
continue;
|
|
}
|
|
|
|
sz = strcspn(p, rejs);
|
|
|
|
fwrite(p, 1, sz, stdout);
|
|
p += (int)sz;
|
|
|
|
if ('\0' == *p)
|
|
break;
|
|
|
|
switch (*p++) {
|
|
case ('<'):
|
|
printf("<");
|
|
continue;
|
|
case ('>'):
|
|
printf(">");
|
|
continue;
|
|
case ('&'):
|
|
printf("&");
|
|
continue;
|
|
case (ASCII_HYPH):
|
|
putchar('-');
|
|
continue;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
esc = mandoc_escape(&p, &seq, &len);
|
|
if (ESCAPE_ERROR == esc)
|
|
break;
|
|
|
|
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);
|
|
continue;
|
|
case (ESCAPE_SKIPCHAR):
|
|
h->flags |= HTML_SKIPCHAR;
|
|
continue;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (h->flags & HTML_SKIPCHAR) {
|
|
h->flags &= ~HTML_SKIPCHAR;
|
|
continue;
|
|
}
|
|
|
|
switch (esc) {
|
|
case (ESCAPE_UNICODE):
|
|
/* Skip passed "u" header. */
|
|
c = mchars_num2uc(seq + 1, len - 1);
|
|
if ('\0' != c)
|
|
printf("&#x%x;", c);
|
|
break;
|
|
case (ESCAPE_NUMBERED):
|
|
c = mchars_num2char(seq, len);
|
|
if ('\0' != c)
|
|
putchar(c);
|
|
break;
|
|
case (ESCAPE_SPECIAL):
|
|
c = mchars_spec2cp(h->symtab, seq, len);
|
|
if (c > 0)
|
|
printf("&#%d;", c);
|
|
else if (-1 == c && 1 == len)
|
|
putchar((int)*seq);
|
|
break;
|
|
case (ESCAPE_NOSPACE):
|
|
if ('\0' == *p)
|
|
nospace = 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return(nospace);
|
|
}
|
|
|
|
|
|
static void
|
|
print_attr(struct html *h, const char *key, const char *val)
|
|
{
|
|
printf(" %s=\"", key);
|
|
(void)print_encode(h, val, 1);
|
|
putchar('\"');
|
|
}
|
|
|
|
|
|
struct tag *
|
|
print_otag(struct html *h, enum htmltag tag,
|
|
int sz, const struct htmlpair *p)
|
|
{
|
|
int i;
|
|
struct tag *t;
|
|
|
|
/* Push this tags onto the stack of open scopes. */
|
|
|
|
if ( ! (HTML_NOSTACK & htmltags[tag].flags)) {
|
|
t = mandoc_malloc(sizeof(struct tag));
|
|
t->tag = tag;
|
|
t->next = h->tags.head;
|
|
h->tags.head = t;
|
|
} else
|
|
t = NULL;
|
|
|
|
if ( ! (HTML_NOSPACE & h->flags))
|
|
if ( ! (HTML_CLRLINE & htmltags[tag].flags)) {
|
|
/* Manage keeps! */
|
|
if ( ! (HTML_KEEP & h->flags)) {
|
|
if (HTML_PREKEEP & h->flags)
|
|
h->flags |= HTML_KEEP;
|
|
putchar(' ');
|
|
} else
|
|
printf(" ");
|
|
}
|
|
|
|
if ( ! (h->flags & HTML_NONOSPACE))
|
|
h->flags &= ~HTML_NOSPACE;
|
|
else
|
|
h->flags |= HTML_NOSPACE;
|
|
|
|
/* 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);
|
|
|
|
/* Add non-overridable attributes. */
|
|
|
|
if (TAG_HTML == tag && HTML_XHTML_1_0_STRICT == h->type) {
|
|
print_attr(h, "xmlns", "http://www.w3.org/1999/xhtml");
|
|
print_attr(h, "xml:lang", "en");
|
|
print_attr(h, "lang", "en");
|
|
}
|
|
|
|
/* Accommodate for XML "well-formed" singleton escaping. */
|
|
|
|
if (HTML_AUTOCLOSE & htmltags[tag].flags)
|
|
switch (h->type) {
|
|
case (HTML_XHTML_1_0_STRICT):
|
|
putchar('/');
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
putchar('>');
|
|
|
|
h->flags |= HTML_NOSPACE;
|
|
|
|
if ((HTML_AUTOCLOSE | HTML_CLRLINE) & htmltags[tag].flags)
|
|
putchar('\n');
|
|
|
|
return(t);
|
|
}
|
|
|
|
|
|
static void
|
|
print_ctag(struct html *h, enum htmltag tag)
|
|
{
|
|
|
|
printf("</%s>", htmltags[tag].name);
|
|
if (HTML_CLRLINE & htmltags[tag].flags) {
|
|
h->flags |= HTML_NOSPACE;
|
|
putchar('\n');
|
|
}
|
|
}
|
|
|
|
void
|
|
print_gen_decls(struct html *h)
|
|
{
|
|
const char *doctype;
|
|
const char *dtd;
|
|
const char *name;
|
|
|
|
switch (h->type) {
|
|
case (HTML_HTML_4_01_STRICT):
|
|
name = "HTML";
|
|
doctype = "-//W3C//DTD HTML 4.01//EN";
|
|
dtd = "http://www.w3.org/TR/html4/strict.dtd";
|
|
break;
|
|
default:
|
|
puts("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
|
|
name = "html";
|
|
doctype = "-//W3C//DTD XHTML 1.0 Strict//EN";
|
|
dtd = "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";
|
|
break;
|
|
}
|
|
|
|
printf("<!DOCTYPE %s PUBLIC \"%s\" \"%s\">\n",
|
|
name, doctype, dtd);
|
|
}
|
|
|
|
void
|
|
print_text(struct html *h, const char *word)
|
|
{
|
|
|
|
if ( ! (HTML_NOSPACE & h->flags)) {
|
|
/* Manage keeps! */
|
|
if ( ! (HTML_KEEP & h->flags)) {
|
|
if (HTML_PREKEEP & h->flags)
|
|
h->flags |= HTML_KEEP;
|
|
putchar(' ');
|
|
} else
|
|
printf(" ");
|
|
}
|
|
|
|
assert(NULL == h->metaf);
|
|
switch (h->metac) {
|
|
case (HTMLFONT_ITALIC):
|
|
h->metaf = print_otag(h, TAG_I, 0, NULL);
|
|
break;
|
|
case (HTMLFONT_BOLD):
|
|
h->metaf = print_otag(h, TAG_B, 0, NULL);
|
|
break;
|
|
case (HTMLFONT_BI):
|
|
h->metaf = print_otag(h, TAG_B, 0, NULL);
|
|
print_otag(h, TAG_I, 0, NULL);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
assert(word);
|
|
if ( ! print_encode(h, word, 0)) {
|
|
if ( ! (h->flags & HTML_NONOSPACE))
|
|
h->flags &= ~HTML_NOSPACE;
|
|
} else
|
|
h->flags |= HTML_NOSPACE;
|
|
|
|
if (h->metaf) {
|
|
print_tagq(h, h->metaf);
|
|
h->metaf = NULL;
|
|
}
|
|
|
|
h->flags &= ~HTML_IGNDELIM;
|
|
}
|
|
|
|
|
|
void
|
|
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);
|
|
if (until && tag == until)
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
print_stagq(struct html *h, const struct tag *suntil)
|
|
{
|
|
struct tag *tag;
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
void
|
|
bufinit(struct html *h)
|
|
{
|
|
|
|
h->buf[0] = '\0';
|
|
h->buflen = 0;
|
|
}
|
|
|
|
void
|
|
bufcat_style(struct html *h, const char *key, const char *val)
|
|
{
|
|
|
|
bufcat(h, key);
|
|
bufcat(h, ":");
|
|
bufcat(h, val);
|
|
bufcat(h, ";");
|
|
}
|
|
|
|
void
|
|
bufcat(struct html *h, const char *p)
|
|
{
|
|
|
|
h->buflen = strlcat(h->buf, p, BUFSIZ);
|
|
assert(h->buflen < BUFSIZ);
|
|
}
|
|
|
|
void
|
|
bufcat_fmt(struct html *h, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
(void)vsnprintf(h->buf + (int)h->buflen,
|
|
BUFSIZ - h->buflen - 1, fmt, ap);
|
|
va_end(ap);
|
|
h->buflen = strlen(h->buf);
|
|
}
|
|
|
|
static void
|
|
bufncat(struct html *h, const char *p, size_t sz)
|
|
{
|
|
|
|
assert(h->buflen + sz + 1 < BUFSIZ);
|
|
strncat(h->buf, p, sz);
|
|
h->buflen += sz;
|
|
}
|
|
|
|
void
|
|
buffmt_includes(struct html *h, const char *name)
|
|
{
|
|
const char *p, *pp;
|
|
|
|
pp = h->base_includes;
|
|
|
|
bufinit(h);
|
|
while (NULL != (p = strchr(pp, '%'))) {
|
|
bufncat(h, pp, (size_t)(p - pp));
|
|
switch (*(p + 1)) {
|
|
case('I'):
|
|
bufcat(h, name);
|
|
break;
|
|
default:
|
|
bufncat(h, p, 2);
|
|
break;
|
|
}
|
|
pp = p + 2;
|
|
}
|
|
if (pp)
|
|
bufcat(h, pp);
|
|
}
|
|
|
|
void
|
|
buffmt_man(struct html *h,
|
|
const char *name, const char *sec)
|
|
{
|
|
const char *p, *pp;
|
|
|
|
pp = h->base_man;
|
|
|
|
bufinit(h);
|
|
while (NULL != (p = strchr(pp, '%'))) {
|
|
bufncat(h, pp, (size_t)(p - pp));
|
|
switch (*(p + 1)) {
|
|
case('S'):
|
|
bufcat(h, sec ? sec : "1");
|
|
break;
|
|
case('N'):
|
|
bufcat_fmt(h, name);
|
|
break;
|
|
default:
|
|
bufncat(h, p, 2);
|
|
break;
|
|
}
|
|
pp = p + 2;
|
|
}
|
|
if (pp)
|
|
bufcat(h, pp);
|
|
}
|
|
|
|
void
|
|
bufcat_su(struct html *h, const char *p, const struct roffsu *su)
|
|
{
|
|
double v;
|
|
|
|
v = su->scale;
|
|
if (SCALE_MM == su->unit && 0.0 == (v /= 100.0))
|
|
v = 1.0;
|
|
|
|
bufcat_fmt(h, "%s: %.2f%s;", p, v, roffscales[su->unit]);
|
|
}
|
|
|
|
void
|
|
bufcat_id(struct html *h, const char *src)
|
|
{
|
|
|
|
/* Cf. <http://www.w3.org/TR/html4/types.html#h-6.2>. */
|
|
|
|
while ('\0' != *src)
|
|
bufcat_fmt(h, "%.2x", *src++);
|
|
}
|