-/* $Id: html.c,v 1.53 2009/10/03 15:08:09 kristaps Exp $ */
+/* $Id: html.c,v 1.80 2009/11/02 06:22:44 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
-#include <sys/queue.h>
#include <assert.h>
-#include <err.h>
+#include <ctype.h>
+#include <stdarg.h>
#include <stdio.h>
+#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include "out.h"
#include "chars.h"
#include "html.h"
+#include "main.h"
+
+#define UNCONST(a) ((void *)(uintptr_t)(const void *)(a))
#define DOCTYPE "-//W3C//DTD HTML 4.01//EN"
#define DTD "http://www.w3.org/TR/html4/strict.dtd"
struct htmldata {
- char *name;
+ const char *name;
int flags;
#define HTML_CLRLINE (1 << 0)
#define HTML_NOSTACK (1 << 1)
"style",
"width",
"valign",
+ "target",
+ "id",
+ "summary",
};
#ifdef __linux__
html_alloc(char *outopts)
{
struct html *h;
- char *toks[4], *v;
+ const char *toks[4];
+ char *v;
toks[0] = "style";
toks[1] = "man";
- toks[2] = NULL;
-
- if (NULL == (h = calloc(1, sizeof(struct html))))
- return(NULL);
+ toks[2] = "includes";
+ toks[3] = NULL;
- SLIST_INIT(&h->tags);
- SLIST_INIT(&h->ords);
-
- if (NULL == (h->symtab = chars_init(CHARS_HTML))) {
- free(h);
- return(NULL);
+ h = calloc(1, sizeof(struct html));
+ if (NULL == h) {
+ perror(NULL);
+ exit(EXIT_FAILURE);
}
- h->base_man = "%N.%S.html";
+ h->tags.head = NULL;
+ h->ords.head = NULL;
+ h->symtab = chars_init(CHARS_HTML);
while (outopts && *outopts)
- switch (getsubopt(&outopts, toks, &v)) {
+ 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;
default:
break;
}
h = (struct html *)p;
- while ( ! SLIST_EMPTY(&h->ords)) {
- ord = SLIST_FIRST(&h->ords);
- SLIST_REMOVE_HEAD(&h->ords, entry);
+ while ((ord = h->ords.head) != NULL) {
+ h->ords.head = ord->next;
free(ord);
}
- while ( ! SLIST_EMPTY(&h->tags)) {
- tag = SLIST_FIRST(&h->tags);
- SLIST_REMOVE_HEAD(&h->tags, entry);
+ while ((tag = h->tags.head) != NULL) {
+ h->tags.head = tag->next;
free(tag);
}
- if (h->buf)
- free(h->buf);
if (h->symtab)
chars_free(h->symtab);
print_spec(struct html *h, const char *p, int len)
{
const char *rhs;
- int i;
size_t sz;
rhs = chars_a2ascii(h->symtab, p, (size_t)len, &sz);
if (NULL == rhs)
return;
- for (i = 0; i < (int)sz; i++)
- putchar(rhs[i]);
+ fwrite(rhs, 1, sz, stdout);
}
print_res(struct html *h, const char *p, int len)
{
const char *rhs;
- int i;
size_t sz;
rhs = chars_a2res(h->symtab, p, (size_t)len, &sz);
if (NULL == rhs)
return;
- for (i = 0; i < (int)sz; i++)
- putchar(rhs[i]);
+ fwrite(rhs, 1, sz, stdout);
}
static void
print_encode(struct html *h, const char *p)
{
+ size_t sz;
for (; *p; p++) {
+ sz = strcspn(p, "\\<>&");
+
+ fwrite(p, 1, sz, stdout);
+ p += /* LINTED */
+ sz;
+
if ('\\' == *p) {
print_escape(h, &p);
continue;
- }
- switch (*p) {
- case ('<'):
- printf("<");
+ } else if ('\0' == *p)
break;
- case ('>'):
+
+ if ('<' == *p)
+ printf("<");
+ else if ('>' == *p)
printf(">");
- break;
- case ('&'):
+ else if ('&' == *p)
printf("&");
- break;
- default:
- putchar(*p);
- break;
- }
}
}
struct tag *t;
if ( ! (HTML_NOSTACK & htmltags[tag].flags)) {
- if (NULL == (t = malloc(sizeof(struct tag))))
- err(EXIT_FAILURE, "malloc");
+ t = malloc(sizeof(struct tag));
+ if (NULL == t) {
+ perror(NULL);
+ exit(EXIT_FAILURE);
+ }
t->tag = tag;
- SLIST_INSERT_HEAD(&h->tags, t, entry);
+ t->next = h->tags.head;
+ h->tags.head = t;
} else
t = NULL;
if ( ! (HTML_NOSPACE & h->flags))
if ( ! (HTML_CLRLINE & htmltags[tag].flags))
- printf(" ");
+ putchar(' ');
printf("<%s", htmltags[tag].name);
for (i = 0; i < sz; i++) {
printf(" %s=\"", htmlattrs[p[i].key]);
assert(p->val);
print_encode(h, p[i].val);
- printf("\"");
+ putchar('\"');
}
- printf(">");
+ putchar('>');
h->flags |= HTML_NOSPACE;
if (HTML_CLRLINE & htmltags[tag].flags)
{
printf("</%s>", htmltags[tag].name);
- if (HTML_CLRLINE & htmltags[tag].flags)
+ if (HTML_CLRLINE & htmltags[tag].flags) {
h->flags |= HTML_NOSPACE;
- if (HTML_CLRLINE & htmltags[tag].flags)
h->flags |= HTML_NEWLINE;
- else
+ putchar('\n');
+ } else
h->flags &= ~HTML_NEWLINE;
}
}
if ( ! (h->flags & HTML_NOSPACE))
- printf(" ");
+ putchar(' ');
h->flags &= ~HTML_NOSPACE;
h->flags &= ~HTML_NEWLINE;
{
struct tag *tag;
- while ( ! SLIST_EMPTY(&h->tags)) {
- tag = SLIST_FIRST(&h->tags);
+ while ((tag = h->tags.head) != NULL) {
print_ctag(h, tag->tag);
- SLIST_REMOVE_HEAD(&h->tags, entry);
+ h->tags.head = tag->next;
free(tag);
if (until && tag == until)
return;
{
struct tag *tag;
- while ( ! SLIST_EMPTY(&h->tags)) {
- tag = SLIST_FIRST(&h->tags);
+ while ((tag = h->tags.head) != NULL) {
if (suntil && tag == suntil)
return;
print_ctag(h, tag->tag);
- SLIST_REMOVE_HEAD(&h->tags, entry);
+ 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);
+ bufncat(h, ":", 1);
+ bufcat(h, val);
+ bufncat(h, ";", 1);
+}
+
+
+void
+bufcat(struct html *h, const char *p)
+{
+
+ bufncat(h, p, strlen(p));
+}
+
+
+void
+buffmt(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);
+}
+
+
+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);
+ h->buflen += sz;
+}
+
+
+void
+buffmt_includes(struct html *h, const char *name)
+{
+ const char *p, *pp;
+
+ pp = h->base_includes;
+
+ 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;
+
+ /* LINTED */
+ 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'):
+ buffmt(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;
+ const char *u;
+
+ v = su->scale;
+
+ 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;
+ }
+
+ if (su->pt)
+ buffmt(h, "%s: %f%s;", p, v, u);
+ else
+ /* LINTED */
+ buffmt(h, "%s: %d%s;", p, (int)v, u);
+}
+
+
+void
+html_idcat(char *dst, const char *src, int sz)
+{
+ int ssz;
+
+ assert(sz);
+
+ /* Cf. <http://www.w3.org/TR/html4/types.html#h-6.2>. */
+
+ for ( ; *dst != '\0' && sz; dst++, sz--)
+ /* Jump to end. */ ;
+
+ assert(sz > 2);
+
+ /* We can't start with a number (bah). */
+
+ *dst++ = 'x';
+ *dst = '\0';
+ sz--;
+
+ for ( ; *src != '\0' && sz > 1; src++) {
+ ssz = snprintf(dst, (size_t)sz, "%.2x", *src);
+ sz -= ssz;
+ dst += ssz;
+ }
+}
git.ckatri.com / mandoc.git / blobdiff