-/* $Id: html.c,v 1.129 2011/03/17 09:16:38 kristaps Exp $ */
+/* $Id: html.c,v 1.156 2014/04/20 16:46:04 schwarze Exp $ */
/*
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011, 2012, 2013, 2014 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 <unistd.h>
#include "mandoc.h"
+#include "mandoc_aux.h"
+#include "libmandoc.h"
#include "out.h"
-#include "chars.h"
#include "html.h"
#include "main.h"
"colspan", /* ATTR_COLSPAN */
};
-static void print_num(struct html *, const char *, size_t);
-static void print_spec(struct html *, enum roffdeco,
- const char *, size_t);
-static void print_res(struct html *, const char *, size_t);
-static void print_ctag(struct html *, enum htmltag);
-static void print_doctype(struct html *);
-static void print_xmltype(struct html *);
-static int print_encode(struct html *, const char *, int);
-static void print_metaf(struct html *, enum roffdeco);
-static void print_attr(struct html *,
- const char *, const char *);
-static void *ml_alloc(char *, enum htmltype);
+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[4];
+ const char *toks[5];
char *v;
toks[0] = "style";
toks[1] = "man";
toks[2] = "includes";
- toks[3] = NULL;
+ toks[3] = "fragment";
+ toks[4] = NULL;
h = mandoc_calloc(1, sizeof(struct html));
h->type = type;
h->tags.head = NULL;
- h->symtab = chars_init(CHARS_HTML);
+ h->symtab = mchars_alloc();
while (outopts && *outopts)
switch (getsubopt(&outopts, UNCONST(toks), &v)) {
- case (0):
+ case 0:
h->style = v;
break;
- case (1):
+ case 1:
h->base_man = v;
break;
- case (2):
+ case 2:
h->base_includes = v;
break;
+ case 3:
+ h->oflags |= HTML_FRAGMENT;
+ break;
default:
break;
}
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)
{
h = (struct html *)p;
while ((tag = h->tags.head) != NULL) {
- h->tags.head = tag->next;
+ h->tags.head = tag->next;
free(tag);
}
-
+
if (h->symtab)
- chars_free(h->symtab);
+ mchars_free(h->symtab);
free(h);
}
-
void
print_gen_head(struct html *h)
{
}
}
-/* ARGSUSED */
static void
-print_num(struct html *h, const char *p, size_t len)
-{
- const char *rhs;
-
- rhs = chars_num2char(p, len);
- if (rhs)
- putchar((int)*rhs);
-}
-
-static void
-print_spec(struct html *h, enum roffdeco d, const char *p, size_t len)
-{
- int cp;
- const char *rhs;
- size_t sz;
-
- if ((cp = chars_spec2cp(h->symtab, p, len)) > 0) {
- printf("&#%d;", cp);
- return;
- } else if (-1 == cp && DECO_SSPECIAL == d) {
- fwrite(p, 1, len, stdout);
- return;
- } else if (-1 == cp)
- return;
-
- if (NULL != (rhs = chars_spec2str(h->symtab, p, len, &sz)))
- fwrite(rhs, 1, sz, stdout);
-}
-
-
-static void
-print_res(struct html *h, const char *p, size_t len)
-{
- int cp;
- const char *rhs;
- size_t sz;
-
- if ((cp = chars_res2cp(h->symtab, p, len)) > 0) {
- printf("&#%d;", cp);
- return;
- } else if (-1 == cp)
- return;
-
- if (NULL != (rhs = chars_res2str(h->symtab, p, len, &sz)))
- fwrite(rhs, 1, sz, stdout);
-}
-
-
-static void
-print_metaf(struct html *h, enum roffdeco deco)
+print_metaf(struct html *h, enum mandoc_esc deco)
{
enum htmlfont font;
switch (deco) {
- case (DECO_PREVIOUS):
+ case ESCAPE_FONTPREV:
font = h->metal;
break;
- case (DECO_ITALIC):
+ case ESCAPE_FONTITALIC:
font = HTMLFONT_ITALIC;
break;
- case (DECO_BOLD):
+ case ESCAPE_FONTBOLD:
font = HTMLFONT_BOLD;
break;
- case (DECO_ROMAN):
+ case ESCAPE_FONTBI:
+ font = HTMLFONT_BI;
+ break;
+ case ESCAPE_FONT:
+ /* FALLTHROUGH */
+ case ESCAPE_FONTROMAN:
font = HTMLFONT_NONE;
break;
default:
h->metal = h->metac;
h->metac = font;
- if (HTMLFONT_NONE != font)
- h->metaf = HTMLFONT_BOLD == font ?
- print_otag(h, TAG_B, 0, NULL) :
- print_otag(h, TAG_I, 0, NULL);
+ 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 len, nospace;
+ int c, len, nospace;
const char *seq;
- enum roffdeco deco;
- static const char rejs[6] = { '\\', '<', '>', '&', ASCII_HYPH, '\0' };
+ enum mandoc_esc esc;
+ static const char rejs[8] = { '\\', '<', '>', '&',
+ ASCII_NBRSP, ASCII_HYPH, ASCII_BREAK, '\0' };
nospace = 0;
- for (; *p; p++) {
+ 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 += /* LINTED */
- sz;
+ p += (int)sz;
+
+ if ('\0' == *p)
+ break;
- if ('<' == *p) {
+ switch (*p++) {
+ case '<':
printf("<");
continue;
- } else if ('>' == *p) {
+ case '>':
printf(">");
continue;
- } else if ('&' == *p) {
+ case '&':
printf("&");
continue;
- } else if (ASCII_HYPH == *p) {
- /*
- * Note: "soft hyphens" aren't graphically
- * displayed when not breaking the text; we want
- * them to be displayed.
- */
- /*printf("­");*/
+ case ASCII_NBRSP:
+ putchar('-');
+ continue;
+ case ASCII_HYPH:
putchar('-');
+ /* FALLTHROUGH */
+ case ASCII_BREAK:
continue;
- } else if ('\0' == *p)
+ default:
break;
+ }
- seq = ++p;
- len = a2roffdeco(&deco, &seq, &sz);
-
- switch (deco) {
- case (DECO_NUMBERED):
- print_num(h, seq, sz);
+ esc = mandoc_escape(&p, &seq, &len);
+ if (ESCAPE_ERROR == esc)
break;
- case (DECO_RESERVED):
- print_res(h, seq, sz);
- break;
- case (DECO_SSPECIAL):
+
+ switch (esc) {
+ case ESCAPE_FONT:
/* FALLTHROUGH */
- case (DECO_SPECIAL):
- print_spec(h, deco, seq, sz);
- break;
- case (DECO_PREVIOUS):
+ case ESCAPE_FONTPREV:
/* FALLTHROUGH */
- case (DECO_BOLD):
+ case ESCAPE_FONTBOLD:
/* FALLTHROUGH */
- case (DECO_ITALIC):
+ case ESCAPE_FONTITALIC:
/* FALLTHROUGH */
- case (DECO_ROMAN):
- if (norecurse)
- break;
- print_metaf(h, deco);
- break;
+ 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;
}
- p += len - 1;
+ if (h->flags & HTML_SKIPCHAR) {
+ h->flags &= ~HTML_SKIPCHAR;
+ continue;
+ }
- if (DECO_NOSPACE == deco && '\0' == *(p + 1))
- nospace = 1;
+ 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)
{
putchar('\"');
}
-
struct tag *
-print_otag(struct html *h, enum htmltag tag,
+print_otag(struct html *h, enum htmltag tag,
int sz, const struct htmlpair *p)
{
int i;
print_attr(h, "lang", "en");
}
- /* Accomodate for XML "well-formed" singleton escaping. */
+ /* Accommodate for XML "well-formed" singleton escaping. */
if (HTML_AUTOCLOSE & htmltags[tag].flags)
switch (h->type) {
- case (HTML_XHTML_1_0_STRICT):
+ case HTML_XHTML_1_0_STRICT:
putchar('/');
break;
default:
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)
-{
-
- print_xmltype(h);
- print_doctype(h);
-}
-
-
-static void
-print_xmltype(struct html *h)
-{
-
- if (HTML_XHTML_1_0_STRICT == h->type)
- puts("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
-}
-
-
-static void
-print_doctype(struct html *h)
{
const char *doctype;
const char *dtd;
const char *name;
switch (h->type) {
- case (HTML_HTML_4_01_STRICT):
+ 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);
+ printf("<!DOCTYPE %s PUBLIC \"%s\" \"%s\">\n",
+ name, doctype, dtd);
}
-
void
print_text(struct html *h, const char *word)
{
- if (DELIM_CLOSE == mandoc_isdelim(word))
- if ( ! (HTML_IGNDELIM & h->flags))
- h->flags |= HTML_NOSPACE;
-
if ( ! (HTML_NOSPACE & h->flags)) {
/* Manage keeps! */
if ( ! (HTML_KEEP & h->flags)) {
}
assert(NULL == h->metaf);
- if (HTMLFONT_NONE != h->metac)
- h->metaf = HTMLFONT_BOLD == h->metac ?
- print_otag(h, TAG_B, 0, NULL) :
- print_otag(h, TAG_I, 0, NULL);
+ 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 ( ! 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->flags &= ~HTML_IGNDELIM;
-
- if (DELIM_OPEN == mandoc_isdelim(word))
- h->flags |= HTML_NOSPACE;
}
-
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.
*/
}
}
-
void
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.
*/
}
}
-
void
bufinit(struct html *h)
{
h->buflen = 0;
}
-
void
bufcat_style(struct html *h, const char *key, const char *val)
{
bufcat(h, key);
- bufncat(h, ":", 1);
+ bufcat(h, ":");
bufcat(h, val);
- bufncat(h, ";", 1);
+ bufcat(h, ";");
}
-
void
bufcat(struct html *h, const char *p)
{
- bufncat(h, p, strlen(p));
+ h->buflen = strlcat(h->buf, p, BUFSIZ);
+ assert(h->buflen < BUFSIZ);
}
-
void
-buffmt(struct html *h, const char *fmt, ...)
+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);
+ (void)vsnprintf(h->buf + (int)h->buflen,
+ BUFSIZ - h->buflen - 1, fmt, ap);
va_end(ap);
h->buflen = strlen(h->buf);
}
-
-void
+static void
bufncat(struct html *h, const char *p, size_t sz)
{
- if (h->buflen + sz > BUFSIZ - 1)
- sz = BUFSIZ - 1 - h->buflen;
-
- (void)strncat(h->buf, p, 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'):
+ case'I':
bufcat(h, name);
break;
default:
bufcat(h, pp);
}
-
void
-buffmt_man(struct html *h,
- const char *name, const char *sec)
+buffmt_man(struct html *h, const char *name, const char *sec)
{
const char *p, *pp;
pp = h->base_man;
-
- /* LINTED */
+
+ bufinit(h);
while (NULL != (p = strchr(pp, '%'))) {
bufncat(h, pp, (size_t)(p - pp));
switch (*(p + 1)) {
- case('S'):
+ case 'S':
bufcat(h, sec ? sec : "1");
break;
- case('N'):
- buffmt(h, name);
+ case 'N':
+ bufcat_fmt(h, "%s", name);
break;
default:
bufncat(h, p, 2);
bufcat(h, pp);
}
-
void
bufcat_su(struct html *h, const char *p, const struct roffsu *su)
{
double v;
- const char *u;
v = su->scale;
+ if (SCALE_MM == su->unit && 0.0 == (v /= 100.0))
+ v = 1.0;
- switch (su->unit) {
- case (SCALE_CM):
- u = "cm";
- break;
- case (SCALE_IN):
- u = "in";
- break;
- case (SCALE_PC):
- u = "pc";
- break;
- case (SCALE_PT):
- u = "pt";
- break;
- case (SCALE_EM):
- u = "em";
- break;
- case (SCALE_MM):
- if (0 == (v /= 100))
- v = 1;
- u = "em";
- break;
- case (SCALE_EN):
- u = "ex";
- break;
- case (SCALE_BU):
- u = "ex";
- break;
- case (SCALE_VS):
- u = "em";
- break;
- default:
- u = "ex";
- break;
- }
-
- /*
- * XXX: the CSS spec isn't clear as to which types accept
- * integer or real numbers, so we just make them all decimals.
- */
- buffmt(h, "%s: %.2f%s;", p, v, u);
+ bufcat_fmt(h, "%s: %.2f%s;", p, v, roffscales[su->unit]);
}
-
void
-html_idcat(char *dst, const char *src, int sz)
+bufcat_id(struct html *h, const char *src)
{
- int ssz;
-
- assert(sz > 2);
/* Cf. <http://www.w3.org/TR/html4/types.html#h-6.2>. */
- /* We can't start with a number (bah). */
-
- if ('#' == *dst) {
- dst++;
- sz--;
- }
- if ('\0' == *dst) {
- *dst++ = 'x';
- *dst = '\0';
- sz--;
- }
-
- for ( ; *dst != '\0' && sz; dst++, sz--)
- /* Jump to end. */ ;
-
- for ( ; *src != '\0' && sz > 1; src++) {
- ssz = snprintf(dst, (size_t)sz, "%.2x", *src);
- sz -= ssz;
- dst += ssz;
- }
+ while ('\0' != *src)
+ bufcat_fmt(h, "%.2x", *src++);
}
git.ckatri.com / mandoc.git / blobdiff