-/* $Id: html.c,v 1.72 2009/10/30 18:43:24 kristaps Exp $ */
+/* $Id: html.c,v 1.88 2009/11/14 19:23:58 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
#include <assert.h>
#include <ctype.h>
-#include <err.h>
-#include <stdio.h>
#include <stdarg.h>
+#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
{"base", HTML_CLRLINE | HTML_NOSTACK}, /* TAG_BASE */
};
-static const char *const htmlattrs[ATTR_MAX] = {
+static const char *const htmlattrs[ATTR_MAX] = {
"http-equiv",
"content",
"name",
extern int getsubopt(char **, char * const *, char **);
#endif
+
+static void print_spec(struct html *, const char *, size_t);
+static void print_res(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 roffdeco);
+
+
void *
html_alloc(char *outopts)
{
h = calloc(1, sizeof(struct html));
if (NULL == h) {
- fprintf(stderr, "memory exhausted\n");
+ perror(NULL);
exit(EXIT_FAILURE);
}
static void
-print_spec(struct html *h, const char *p, int len)
+print_spec(struct html *h, const char *p, size_t len)
{
const char *rhs;
- int i;
size_t sz;
- rhs = chars_a2ascii(h->symtab, p, (size_t)len, &sz);
+ rhs = chars_a2ascii(h->symtab, p, len, &sz);
if (NULL == rhs)
return;
- for (i = 0; i < (int)sz; i++)
- putchar(rhs[i]);
+ fwrite(rhs, 1, sz, stdout);
}
static void
-print_res(struct html *h, const char *p, int len)
+print_res(struct html *h, const char *p, size_t len)
{
const char *rhs;
- int i;
size_t sz;
- rhs = chars_a2res(h->symtab, p, (size_t)len, &sz);
+ rhs = chars_a2res(h->symtab, p, len, &sz);
if (NULL == rhs)
return;
- for (i = 0; i < (int)sz; i++)
- putchar(rhs[i]);
+ fwrite(rhs, 1, sz, stdout);
}
static void
-print_escape(struct html *h, const char **p)
+print_metaf(struct html *h, enum roffdeco deco)
{
- int j, type;
- const char *wp;
+ const char *class;
+ struct htmlpair tag;
- wp = *p;
- type = 1;
+ switch (deco) {
+ case (DECO_BOLD):
+ class = "bold";
+ break;
+ case (DECO_ITALIC):
+ class = "italic";
+ break;
+ case (DECO_ROMAN):
+ class = "roman";
+ break;
+ default:
+ abort();
+ /* NOTREACHED */
+ }
- if (0 == *(++wp)) {
- *p = wp;
- return;
+ if (h->metaf) {
+ assert(h->tags.head);
+ assert(h->metaf == h->tags.head);
+ print_tagq(h, h->metaf);
}
+
+ PAIR_CLASS_INIT(&tag, class);
+ h->metaf = print_otag(h, TAG_SPAN, 1, &tag);
+}
- if ('(' == *wp) {
- wp++;
- if (0 == *wp || 0 == *(wp + 1)) {
- *p = 0 == *wp ? wp : wp + 1;
- return;
- }
- print_spec(h, wp, 2);
- *p = ++wp;
- return;
+static int
+print_encode(struct html *h, const char *p, int norecurse)
+{
+ size_t sz;
+ int len, nospace;
+ const char *seq;
+ enum roffdeco deco;
- } else if ('*' == *wp) {
- if (0 == *(++wp)) {
- *p = wp;
- return;
- }
+ nospace = 0;
- switch (*wp) {
- case ('('):
- wp++;
- if (0 == *wp || 0 == *(wp + 1)) {
- *p = 0 == *wp ? wp : wp + 1;
- return;
- }
+ for (; *p; p++) {
+ sz = strcspn(p, "\\<>&");
- print_res(h, wp, 2);
- *p = ++wp;
- return;
- case ('['):
- type = 0;
+ fwrite(p, 1, sz, stdout);
+ p += /* LINTED */
+ sz;
+
+ if ('<' == *p) {
+ printf("<");
+ continue;
+ } else if ('>' == *p) {
+ printf(">");
+ continue;
+ } else if ('&' == *p) {
+ printf("&");
+ continue;
+ } else if ('\0' == *p)
break;
- default:
- print_res(h, wp, 1);
- *p = wp;
- return;
- }
-
- } else if ('f' == *wp) {
- if (0 == *(++wp)) {
- *p = wp;
- return;
- }
- switch (*wp) {
- case ('B'):
- /* TODO */
+ seq = ++p;
+ len = a2roffdeco(&deco, &seq, &sz);
+
+ switch (deco) {
+ case (DECO_RESERVED):
+ print_res(h, seq, sz);
break;
- case ('I'):
- /* TODO */
+ case (DECO_SPECIAL):
+ print_spec(h, seq, sz);
break;
- case ('P'):
+ case (DECO_BOLD):
+ /* FALLTHROUGH */
+ case (DECO_ITALIC):
/* FALLTHROUGH */
- case ('R'):
- /* TODO */
+ case (DECO_ROMAN):
+ if (norecurse)
+ break;
+ print_metaf(h, deco);
break;
default:
break;
}
- *p = wp;
- return;
+ p += len - 1;
- } else if ('[' != *wp) {
- print_spec(h, wp, 1);
- *p = wp;
- return;
- }
-
- wp++;
- for (j = 0; *wp && ']' != *wp; wp++, j++)
- /* Loop... */ ;
-
- if (0 == *wp) {
- *p = wp;
- return;
+ if (DECO_NOSPACE == deco && '\0' == *(p + 1))
+ nospace = 1;
}
- if (type)
- print_spec(h, wp - j, j);
- else
- print_res(h, wp - j, j);
-
- *p = wp;
-}
-
-
-static void
-print_encode(struct html *h, const char *p)
-{
-
- for (; *p; p++) {
- if ('\\' == *p) {
- print_escape(h, &p);
- continue;
- }
- switch (*p) {
- case ('<'):
- printf("<");
- break;
- case ('>'):
- printf(">");
- break;
- case ('&'):
- printf("&");
- break;
- default:
- putchar(*p);
- break;
- }
- }
+ return(nospace);
}
if ( ! (HTML_NOSTACK & htmltags[tag].flags)) {
t = malloc(sizeof(struct tag));
if (NULL == t) {
- fprintf(stderr, "memory exhausted\n");
+ perror(NULL);
exit(EXIT_FAILURE);
}
t->tag = tag;
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("\"");
+ (void)print_encode(h, p[i].val, 1);
+ putchar('\"');
}
- printf(">");
+ putchar('>');
h->flags |= HTML_NOSPACE;
- if (HTML_CLRLINE & htmltags[tag].flags)
- h->flags |= HTML_NEWLINE;
- else
- h->flags &= ~HTML_NEWLINE;
-
return(t);
}
printf("</%s>", htmltags[tag].name);
if (HTML_CLRLINE & htmltags[tag].flags) {
h->flags |= HTML_NOSPACE;
- h->flags |= HTML_NEWLINE;
- printf("\n");
- } else
- h->flags &= ~HTML_NEWLINE;
+ putchar('\n');
+ }
}
}
if ( ! (h->flags & HTML_NOSPACE))
- printf(" ");
-
- h->flags &= ~HTML_NOSPACE;
- h->flags &= ~HTML_NEWLINE;
+ putchar(' ');
- if (p)
- print_encode(h, p);
+ assert(p);
+ if ( ! print_encode(h, p, 0))
+ h->flags &= ~HTML_NOSPACE;
if (*p && 0 == *(p + 1))
switch (*p) {
sz--;
for ( ; *src != '\0' && sz > 1; src++) {
- ssz = snprintf(dst, sz, "%.2x", *src);
+ ssz = snprintf(dst, (size_t)sz, "%.2x", *src);
sz -= ssz;
dst += ssz;
}
git.ckatri.com / mandoc.git / blobdiff