-/* $Id: html.c,v 1.8 2008/12/05 17:43:14 kristaps Exp $ */
+/* $Id: html.c,v 1.100 2010/05/25 12:37:20 kristaps Exp $ */
/*
- * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
* 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.
+ * 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.
+ * 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.
*/
-#include <sys/param.h>
-#include <sys/stat.h>
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <sys/types.h>
#include <assert.h>
-#include <err.h>
-#include <fcntl.h>
-#include <stdlib.h>
+#include <ctype.h>
+#include <stdarg.h>
#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
#include <string.h>
#include <unistd.h>
-#include "libmdocml.h"
-#include "private.h"
-#include "ml.h"
+#include "mandoc.h"
+#include "out.h"
+#include "chars.h"
+#include "html.h"
+#include "main.h"
+#define UNCONST(a) ((void *)(uintptr_t)(const void *)(a))
-/* TODO: allow head/tail-less invocations (just "div" start). */
-/* FIXME: free htmlq. */
-
-struct htmlnode {
- int tok;
- enum md_ns ns;
- int *argc[ROFF_MAXLINEARG];
- char *argv[ROFF_MAXLINEARG];
- struct htmlnode *parent;
+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. */
};
-
-struct htmlq {
- struct htmlnode *last;
+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 */
+ {"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 */
};
+static const char *const htmlfonts[HTMLFONT_MAX] = {
+ "roman",
+ "bold",
+ "italic"
+};
-static void htmlnode_free(struct htmlnode *);
-static void htmlnode_free(struct htmlnode *);
-
-static int html_loadcss(struct md_mbuf *, const char *);
+static const char *const htmlattrs[ATTR_MAX] = {
+ "http-equiv",
+ "content",
+ "name",
+ "rel",
+ "href",
+ "type",
+ "media",
+ "class",
+ "style",
+ "width",
+ "valign",
+ "target",
+ "id",
+ "summary",
+};
-static ssize_t html_endtag(struct md_mbuf *, void *,
- const struct md_args *,
- enum md_ns, int);
-static ssize_t html_begintag(struct md_mbuf *, void *,
- const struct md_args *,
- enum md_ns, int,
- const int *, const char **);
-static int html_begin(struct md_mbuf *,
- const struct md_args *,
- const struct tm *,
- const char *, const char *,
+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 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 int html_printargs(struct md_mbuf *, int,
- const char *, const int *,
- const char **, size_t *);
-static int html_end(struct md_mbuf *,
- const struct md_args *);
-static int html_blocktagname(struct md_mbuf *,
- const struct md_args *, int, size_t *);
-static int html_blocktagargs(struct md_mbuf *,
- const struct md_args *, int,
- const int *, const char **, size_t *);
-static int html_blockheadtagname(struct md_mbuf *,
- const struct md_args *, int, size_t *);
-static int html_blockheadtagargs(struct md_mbuf *,
- const struct md_args *, int,
- const int *, const char **, size_t *);
-static int html_blockbodytagname(struct md_mbuf *,
- const struct md_args *, int, size_t *);
-static int html_blockbodytagargs(struct md_mbuf *,
- const struct md_args *, int,
- const int *, const char **, size_t *);
-static int html_inlinetagname(struct md_mbuf *,
- const struct md_args *, int, size_t *);
-static int html_inlinetagargs(struct md_mbuf *,
- const struct md_args *, int,
- const int *, const char **, size_t *);
+static void *ml_alloc(char *, enum htmltype);
-static int
-html_loadcss(struct md_mbuf *mbuf, const char *css)
+static void *
+ml_alloc(char *outopts, enum htmltype type)
{
- size_t res, bufsz;
- char *buf;
- struct stat st;
- int fd, c;
- ssize_t ssz;
-
- c = 0;
- res = 0;
- buf = NULL;
-
- if (-1 == (fd = open(css, O_RDONLY, 0))) {
- warn("%s", css);
- return(0);
- }
-
- if (-1 == fstat(fd, &st)) {
- warn("%s", css);
- goto out;
+ struct html *h;
+ const char *toks[4];
+ char *v;
+
+ toks[0] = "style";
+ toks[1] = "man";
+ toks[2] = "includes";
+ toks[3] = NULL;
+
+ h = calloc(1, sizeof(struct html));
+ if (NULL == h) {
+ perror(NULL);
+ exit(EXIT_FAILURE);
}
- bufsz = MAX(st.st_blksize, BUFSIZ);
- if (NULL == (buf = malloc(bufsz))) {
- warn("malloc");
- goto out;
- }
+ h->type = type;
+ h->tags.head = NULL;
+ h->ords.head = NULL;
+ h->symtab = chars_init(CHARS_HTML);
- for (;;) {
- if (-1 == (ssz = read(fd, buf, bufsz))) {
- warn("%s", css);
- goto out;
- } else if (0 == ssz)
+ while (outopts && *outopts)
+ switch (getsubopt(&outopts, UNCONST(toks), &v)) {
+ case (0):
+ h->style = v;
break;
- if ( ! ml_nputs(mbuf, buf, (size_t)ssz, &res))
- goto out;
- }
+ case (1):
+ h->base_man = v;
+ break;
+ case (2):
+ h->base_includes = v;
+ break;
+ default:
+ break;
+ }
- c = 1;
+ return(h);
+}
-out:
- if (-1 == close(fd)) {
- warn("%s", css);
- c = 0;
- }
+void *
+html_alloc(char *outopts)
+{
- if (buf)
- free(buf);
+ return(ml_alloc(outopts, HTML_HTML_4_01_STRICT));
+}
+
+
+void *
+xhtml_alloc(char *outopts)
+{
- return(c);
+ return(ml_alloc(outopts, HTML_XHTML_1_0_STRICT));
}
-/* ARGSUSED */
-static int
-html_begin(struct md_mbuf *mbuf, const struct md_args *args,
- const struct tm *tm, const char *os,
- const char *title, const char *section,
- const char *vol)
+void
+html_free(void *p)
{
- const char *preamble, *css, *trail;
- char buf[512];
- size_t res;
-
- preamble =
- "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\"\n"
- " \"http://www.w3.org/TR/html4/strict.dtd\">\n"
- "<html>\n"
- "<head>\n"
- " <meta http-equiv=\"Content-Type\"\n"
- " content=\"text/html;charset=utf-8\">\n"
- " <meta name=\"resource-type\" content=\"document\">\n"
- " <title>Manual Page for %s(%s)</title>\n";
-
- css =
- " <link rel=\"stylesheet\" type=\"text/css\"\n"
- " href=\"%s\">\n";
- trail =
- "</head>\n"
- "<body>\n"
- "<div class=\"mdoc\">\n";
-
- res = 0;
-
- (void)snprintf(buf, sizeof(buf) - 1,
- preamble, title, section);
-
- if ( ! ml_puts(mbuf, buf, &res))
- return(0);
-
- assert(args->params.html.css);
- if (HTML_CSS_EMBED & args->params.html.flags) {
- if ( ! ml_puts(mbuf, " <style type=\"text/css\"><!--\n", &res))
- return(0);
- if ( ! html_loadcss(mbuf, args->params.html.css))
- return(0);
- if ( ! ml_puts(mbuf, " --!></style>\n", &res))
- return(0);
- } else {
- (void)snprintf(buf, sizeof(buf) - 1, css,
- args->params.html.css);
- if ( ! ml_puts(mbuf, buf, &res))
- return(0);
+ struct tag *tag;
+ struct ord *ord;
+ struct html *h;
+
+ h = (struct html *)p;
+
+ while ((ord = h->ords.head) != NULL) {
+ h->ords.head = ord->next;
+ free(ord);
}
- if ( ! ml_puts(mbuf, trail, &res))
- return(0);
+ while ((tag = h->tags.head) != NULL) {
+ h->tags.head = tag->next;
+ free(tag);
+ }
+
+ if (h->symtab)
+ chars_free(h->symtab);
- return(1);
+ free(h);
}
-/* ARGSUSED */
-static int
-html_end(struct md_mbuf *mbuf, const struct md_args *args)
+void
+print_gen_head(struct html *h)
{
- size_t res;
+ 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);
+ }
+}
+
- res = 0;
- if ( ! ml_puts(mbuf, "</div></body>\n</html>", &res))
- return(0);
+static void
+print_spec(struct html *h, const char *p, size_t len)
+{
+ const char *rhs;
+ size_t sz;
- return(1);
+ rhs = chars_a2ascii(h->symtab, p, len, &sz);
+
+ if (NULL == rhs)
+ return;
+ fwrite(rhs, 1, sz, stdout);
}
-/* ARGSUSED */
-static int
-html_blockbodytagname(struct md_mbuf *mbuf,
- const struct md_args *args, int tok, size_t *res)
+static void
+print_res(struct html *h, const char *p, size_t len)
{
+ const char *rhs;
+ size_t sz;
- return(ml_puts(mbuf, "div", res));
+ rhs = chars_a2res(h->symtab, p, len, &sz);
+
+ if (NULL == rhs)
+ return;
+ fwrite(rhs, 1, sz, stdout);
}
+struct tag *
+print_ofont(struct html *h, enum htmlfont font)
+{
+ struct htmlpair tag;
+ h->metal = h->metac;
+ h->metac = font;
-/* ARGSUSED */
-static int
-html_blockheadtagname(struct md_mbuf *mbuf,
- const struct md_args *args, int tok, size_t *res)
-{
+ /* FIXME: DECO_ROMAN should just close out preexisting. */
- return(ml_puts(mbuf, "div", res));
+ if (h->metaf && h->tags.head == h->metaf)
+ print_tagq(h, h->metaf);
+
+ PAIR_CLASS_INIT(&tag, htmlfonts[font]);
+ h->metaf = print_otag(h, TAG_SPAN, 1, &tag);
+ return(h->metaf);
}
-/* ARGSUSED */
-static int
-html_blocktagname(struct md_mbuf *mbuf,
- const struct md_args *args, int tok, size_t *res)
+static void
+print_metaf(struct html *h, enum roffdeco deco)
{
+ enum htmlfont font;
+
+ switch (deco) {
+ case (DECO_PREVIOUS):
+ font = h->metal;
+ break;
+ case (DECO_ITALIC):
+ font = HTMLFONT_ITALIC;
+ break;
+ case (DECO_BOLD):
+ font = HTMLFONT_BOLD;
+ break;
+ case (DECO_ROMAN):
+ font = HTMLFONT_NONE;
+ break;
+ default:
+ abort();
+ /* NOTREACHED */
+ }
- return(ml_puts(mbuf, "div", res));
+ (void)print_ofont(h, font);
}
static int
-html_printargs(struct md_mbuf *mbuf, int tok, const char *ns,
- const int *argc, const char **argv, size_t *res)
+print_encode(struct html *h, const char *p, int norecurse)
{
- int i, c;
-
- if ( ! ml_puts(mbuf, " class=\"", res))
- return(0);
- if ( ! ml_puts(mbuf, ns, res))
- return(0);
- if ( ! ml_puts(mbuf, "-", res))
- return(0);
- if ( ! ml_puts(mbuf, toknames[tok], res))
- return(0);
- if ( ! ml_puts(mbuf, "\"", res))
- return(0);
-
- if (NULL == argv || NULL == argc)
- return(1);
- assert(argv && argc);
-
- /* FIXME: ignores values. */
+ size_t sz;
+ int len, nospace;
+ const char *seq;
+ enum roffdeco deco;
+ static const char rejs[6] = { '\\', '<', '>', '&', ASCII_HYPH, '\0' };
- for (i = 0; ROFF_ARGMAX != (c = argc[i]); i++) {
- if (argv[i])
+ nospace = 0;
+
+ for (; *p; p++) {
+ sz = strcspn(p, rejs);
+
+ fwrite(p, 1, sz, stdout);
+ p += /* LINTED */
+ sz;
+
+ if ('<' == *p) {
+ printf("<");
+ continue;
+ } else if ('>' == *p) {
+ printf(">");
+ continue;
+ } else if ('&' == *p) {
+ printf("&");
continue;
- if ( ! ml_puts(mbuf, " class=\"", res))
- return(0);
- if ( ! ml_puts(mbuf, ns, res))
- return(0);
- if ( ! ml_puts(mbuf, "-", res))
- return(0);
- if ( ! ml_puts(mbuf, toknames[tok], res))
- return(0);
- if ( ! ml_puts(mbuf, "-", res))
- return(0);
- if ( ! ml_puts(mbuf, tokargnames[c], res))
- return(0);
- if ( ! ml_puts(mbuf, "\"", res))
- return(0);
+ } else if (ASCII_HYPH == *p) {
+ /*
+ * Note: "soft hyphens" aren't graphically
+ * displayed when not breaking the text; we want
+ * them to be displayed.
+ */
+ /*printf("­");*/
+ putchar('-');
+ continue;
+ } else if ('\0' == *p)
+ break;
+
+ seq = ++p;
+ len = a2roffdeco(&deco, &seq, &sz);
+
+ switch (deco) {
+ case (DECO_RESERVED):
+ print_res(h, seq, sz);
+ break;
+ case (DECO_SPECIAL):
+ print_spec(h, seq, sz);
+ break;
+ case (DECO_PREVIOUS):
+ /* FALLTHROUGH */
+ case (DECO_BOLD):
+ /* FALLTHROUGH */
+ case (DECO_ITALIC):
+ /* FALLTHROUGH */
+ case (DECO_ROMAN):
+ if (norecurse)
+ break;
+ print_metaf(h, deco);
+ break;
+ default:
+ break;
+ }
+
+ p += len - 1;
+
+ if (DECO_NOSPACE == deco && '\0' == *(p + 1))
+ nospace = 1;
}
- return(1);
+ return(nospace);
}
-/* ARGSUSED */
-static int
-html_blockheadtagargs(struct md_mbuf *mbuf,
- const struct md_args *args, int tok,
- const int *argc, const char **argv, size_t *res)
+static void
+print_attr(struct html *h, const char *key, const char *val)
{
-
- return(html_printargs(mbuf, tok, "head", argc, argv, res));
+ printf(" %s=\"", key);
+ (void)print_encode(h, val, 1);
+ putchar('\"');
}
-/* ARGSUSED */
-static int
-html_blockbodytagargs(struct md_mbuf *mbuf,
- const struct md_args *args, int tok,
- const int *argc, const char **argv, size_t *res)
+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 = malloc(sizeof(struct tag));
+ if (NULL == t) {
+ perror(NULL);
+ exit(EXIT_FAILURE);
+ }
+ 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))
+ putchar(' ');
+
+ /* 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");
+ }
- return(html_printargs(mbuf, tok, "body", argc, argv, res));
+ /* Accomodate 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;
+ return(t);
}
-/* ARGSUSED */
-static int
-html_blocktagargs(struct md_mbuf *mbuf,
- const struct md_args *args, int tok,
- const int *argc, const char **argv, size_t *res)
+static void
+print_ctag(struct html *h, enum htmltag tag)
{
-
- return(html_printargs(mbuf, tok, "block", argc, argv, res));
+
+ printf("</%s>", htmltags[tag].name);
+ if (HTML_CLRLINE & htmltags[tag].flags) {
+ h->flags |= HTML_NOSPACE;
+ putchar('\n');
+ }
}
-/* ARGSUSED */
-static int
-html_inlinetagargs(struct md_mbuf *mbuf,
- const struct md_args *args, int tok,
- const int *argc, const char **argv, size_t *res)
+void
+print_gen_decls(struct html *h)
{
- return(html_printargs(mbuf, tok, "inline", argc, argv, res));
+ print_xmltype(h);
+ print_doctype(h);
}
-/* ARGSUSED */
-static int
-html_inlinetagname(struct md_mbuf *mbuf,
- const struct md_args *args, int tok, size_t *res)
+static void
+print_xmltype(struct html *h)
{
- switch (tok) {
- case (ROFF_Pp):
- return(ml_puts(mbuf, "div", res));
+ if (HTML_XHTML_1_0_STRICT == h->type)
+ printf("<?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):
+ name = "HTML";
+ doctype = "-//W3C//DTD HTML 4.01//EN";
+ dtd = "http://www.w3.org/TR/html4/strict.dtd";
+ break;
default:
- return(ml_puts(mbuf, "span", res));
+ name = "html";
+ doctype = "-//W3C//DTD XHTML 1.0 Strict//EN";
+ dtd = "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";
+ break;
}
- return(1);
+
+ printf("<!DOCTYPE %s PUBLIC \"%s\" \"%s\">\n",
+ name, doctype, dtd);
}
-static ssize_t
-html_begintag(struct md_mbuf *mbuf, void *data,
- const struct md_args *args, enum md_ns ns,
- int tok, const int *argc, const char **argv)
+void
+print_text(struct html *h, const char *p)
{
- size_t res;
- struct htmlq *q;
- struct htmlnode *node;
- assert(ns != MD_NS_DEFAULT);
- res = 0;
+ if (*p && 0 == *(p + 1))
+ switch (*p) {
+ case('.'):
+ /* FALLTHROUGH */
+ case(','):
+ /* FALLTHROUGH */
+ case(';'):
+ /* FALLTHROUGH */
+ case(':'):
+ /* FALLTHROUGH */
+ case('?'):
+ /* FALLTHROUGH */
+ case('!'):
+ /* FALLTHROUGH */
+ case(')'):
+ /* FALLTHROUGH */
+ case(']'):
+ if ( ! (HTML_IGNDELIM & h->flags))
+ h->flags |= HTML_NOSPACE;
+ break;
+ default:
+ break;
+ }
+
+ if ( ! (h->flags & HTML_NOSPACE))
+ putchar(' ');
+
+ assert(p);
+ if ( ! print_encode(h, p, 0))
+ h->flags &= ~HTML_NOSPACE;
+
+ /*
+ * Note that we don't process the pipe: the parser sees it as
+ * punctuation, but we don't in terms of typography.
+ */
+ if (*p && 0 == *(p + 1))
+ switch (*p) {
+ case('('):
+ /* FALLTHROUGH */
+ case('['):
+ h->flags |= HTML_NOSPACE;
+ break;
+ default:
+ break;
+ }
+}
- assert(data);
- q = (struct htmlq *)data;
- if (NULL == (node = calloc(1, sizeof(struct htmlnode)))) {
- warn("calloc");
- return(-1);
+void
+print_tagq(struct html *h, const struct tag *until)
+{
+ struct tag *tag;
+
+ while ((tag = h->tags.head) != NULL) {
+ if (tag == h->metaf)
+ h->metaf = NULL;
+ print_ctag(h, tag->tag);
+ h->tags.head = tag->next;
+ free(tag);
+ if (until && tag == until)
+ return;
}
+}
- node->parent = q->last;
- node->tok = tok;
- node->ns = ns;
-
- q->last = node;
- switch (ns) {
- case (MD_NS_BLOCK):
- if ( ! html_blocktagname(mbuf, args, tok, &res))
- return(-1);
- if ( ! html_blocktagargs(mbuf, args, tok,
- argc, argv, &res))
- return(-1);
- break;
- case (MD_NS_BODY):
- if ( ! html_blockbodytagname(mbuf, args, tok, &res))
- return(-1);
- if ( ! html_blockbodytagargs(mbuf, args, tok,
- argc, argv, &res))
- return(-1);
- break;
- case (MD_NS_HEAD):
- if ( ! html_blockheadtagname(mbuf, args, tok, &res))
- return(-1);
- if ( ! html_blockheadtagargs(mbuf, args, tok,
- argc, argv, &res))
- return(-1);
- break;
- default:
- if ( ! html_inlinetagname(mbuf, args, tok, &res))
- return(-1);
- if ( ! html_inlinetagargs(mbuf, args, tok,
- argc, argv, &res))
- return(-1);
- break;
+void
+print_stagq(struct html *h, const struct tag *suntil)
+{
+ struct tag *tag;
+
+ while ((tag = h->tags.head) != NULL) {
+ if (suntil && tag == suntil)
+ return;
+ if (tag == h->metaf)
+ h->metaf = NULL;
+ print_ctag(h, tag->tag);
+ h->tags.head = tag->next;
+ free(tag);
}
+}
+
- return((ssize_t)res);
+void
+bufinit(struct html *h)
+{
+
+ h->buf[0] = '\0';
+ h->buflen = 0;
}
-static ssize_t
-html_endtag(struct md_mbuf *mbuf, void *data,
- const struct md_args *args, enum md_ns ns, int tok)
+void
+bufcat_style(struct html *h, const char *key, const char *val)
{
- size_t res;
- struct htmlq *q;
- struct htmlnode *node;
- assert(ns != MD_NS_DEFAULT);
- res = 0;
+ bufcat(h, key);
+ bufncat(h, ":", 1);
+ bufcat(h, val);
+ bufncat(h, ";", 1);
+}
- assert(data);
- q = (struct htmlq *)data;
- switch (ns) {
- case (MD_NS_BLOCK):
- if ( ! html_blocktagname(mbuf, args, tok, &res))
- return(-1);
- break;
- case (MD_NS_BODY):
- if ( ! html_blockbodytagname(mbuf, args, tok, &res))
- return(-1);
- break;
- case (MD_NS_HEAD):
- if ( ! html_blockheadtagname(mbuf, args, tok, &res))
- return(-1);
- break;
- default:
- if ( ! html_inlinetagname(mbuf, args, tok, &res))
- return(-1);
- break;
- }
+void
+bufcat(struct html *h, const char *p)
+{
+
+ bufncat(h, p, strlen(p));
+}
- node = q->last;
- q->last = node->parent;
- htmlnode_free(node);
+void
+buffmt(struct html *h, const char *fmt, ...)
+{
+ va_list ap;
- return((ssize_t)res);
+ 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);
}
-int
-md_line_html(void *data, char *buf)
+void
+bufncat(struct html *h, const char *p, size_t sz)
{
- return(mlg_line((struct md_mlg *)data, buf));
+ if (h->buflen + sz > BUFSIZ - 1)
+ sz = BUFSIZ - 1 - h->buflen;
+
+ (void)strncat(h->buf, p, sz);
+ h->buflen += sz;
}
-int
-md_exit_html(void *data, int flush)
+void
+buffmt_includes(struct html *h, const char *name)
{
+ const char *p, *pp;
- return(mlg_exit((struct md_mlg *)data, flush));
+ 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 *
-md_init_html(const struct md_args *args,
- struct md_mbuf *mbuf, const struct md_rbuf *rbuf)
+void
+buffmt_man(struct html *h,
+ const char *name, const char *sec)
{
- struct htmlq *q;
+ const char *p, *pp;
- if (NULL == (q = calloc(1, sizeof(struct htmlq)))) {
- warn("calloc");
- return(NULL);
+ 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;
}
- return(mlg_alloc(args, q, rbuf, mbuf, html_begintag,
- html_endtag, html_begin, html_end));
+ 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