-/* $Id: html.c,v 1.15 2008/12/08 12:46:28 kristaps Exp $ */
+/* $Id: html.c,v 1.185 2015/01/21 20:33:25 schwarze Exp $ */
/*
- * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2011-2015 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.
+ * 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>
+#include "config.h"
+
+#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"
-
-
-/* TODO: allow head/tail-less invocations (just "div" start). */
+#include "mandoc.h"
+#include "mandoc_aux.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. */
+};
-struct htmlnode {
- int tok;
- enum md_ns ns;
- int argc[ROFF_MAXLINEARG];
- char *argv[ROFF_MAXLINEARG];
- struct htmlnode *parent;
+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 */
+ {"pre", HTML_CLRLINE }, /* TAG_PRE */
+ {"b", 0 }, /* TAG_B */
+ {"i", 0 }, /* TAG_I */
+ {"code", 0 }, /* TAG_CODE */
+ {"small", 0 }, /* TAG_SMALL */
+ {"style", HTML_CLRLINE}, /* TAG_STYLE */
+ {"math", HTML_CLRLINE}, /* TAG_MATH */
+ {"mrow", 0}, /* TAG_MROW */
+ {"mi", 0}, /* TAG_MI */
+ {"mo", 0}, /* TAG_MO */
+ {"msup", 0}, /* TAG_MSUP */
+ {"msub", 0}, /* TAG_MSUB */
+ {"msubsup", 0}, /* TAG_MSUBSUP */
+ {"mfrac", 0}, /* TAG_MFRAC */
+ {"msqrt", 0}, /* TAG_MSQRT */
+ {"mfenced", 0}, /* TAG_MFENCED */
+ {"mtable", 0}, /* TAG_MTABLE */
+ {"mtr", 0}, /* TAG_MTR */
+ {"mtd", 0}, /* TAG_MTD */
+ {"munderover", 0}, /* TAG_MUNDEROVER */
+ {"munder", 0}, /* TAG_MUNDER*/
+ {"mover", 0}, /* TAG_MOVER*/
};
+static const char *const htmlattrs[ATTR_MAX] = {
+ "name", /* ATTR_NAME */
+ "rel", /* ATTR_REL */
+ "href", /* ATTR_HREF */
+ "type", /* ATTR_TYPE */
+ "media", /* ATTR_MEDIA */
+ "class", /* ATTR_CLASS */
+ "style", /* ATTR_STYLE */
+ "id", /* ATTR_ID */
+ "colspan", /* ATTR_COLSPAN */
+ "charset", /* ATTR_CHARSET */
+ "open", /* ATTR_OPEN */
+ "close", /* ATTR_CLOSE */
+ "mathvariant", /* ATTR_MATHVARIANT */
+};
-struct htmlq {
- struct htmlnode *last;
+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 *, struct tag *);
+static int print_escape(char);
+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 int html_loadcss(struct md_mbuf *, const char *);
-
-static int html_alloc(void **);
-static void html_free(void *);
-static ssize_t html_endtag(struct md_mbuf *, void *,
- const struct md_args *,
- enum md_ns, int);
-static ssize_t html_beginstring(struct md_mbuf *,
- const struct md_args *,
- const char *, size_t);
-static ssize_t html_beginhttp(struct md_mbuf *,
- const struct md_args *,
- const char *, size_t);
-static ssize_t html_endstring(struct md_mbuf *,
- const struct md_args *,
- const char *, size_t);
-static ssize_t html_endhttp(struct md_mbuf *,
- const struct md_args *,
- const char *, size_t);
-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 *,
- enum roffmsec, 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,
- struct htmlq *, const int *,
- const char **, size_t *);
-static int html_blocktagargs(struct md_mbuf *,
- const struct md_args *, int,
- const int *, const char **, size_t *);
-static int html_headtagname(struct md_mbuf *,
- const struct md_args *, int,
- struct htmlq *, const int *,
- const char **, size_t *);
-static int html_headtagargs(struct md_mbuf *,
- const struct md_args *, int,
- const int *, const char **, size_t *);
-static int html_bodytagname(struct md_mbuf *,
- const struct md_args *,
- int, struct htmlq *, const int *,
- const char **, size_t *);
-static int html_bodytagargs(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 int html_Bl_bodytagname(struct md_mbuf *,
- struct htmlq *, const int *,
- const char **, size_t *);
-static int html_It_blocktagname(struct md_mbuf *,
- struct htmlq *, const int *,
- const char **, size_t *);
-static int html_It_headtagname(struct md_mbuf *,
- struct htmlq *, const int *,
- const char **, size_t *);
-static int html_It_bodytagname(struct md_mbuf *,
- struct htmlq *, const int *,
- const char **, size_t *);
-
-
-/* ARGSUSED */
-static int
-html_It_headtagname(struct md_mbuf *mbuf, struct htmlq *q,
- const int *argc, const char **argv, size_t *res)
+
+void *
+html_alloc(const struct mchars *mchars, char *outopts)
{
- struct htmlnode *n;
- int i;
+ struct html *h;
+ const char *toks[5];
+ char *v;
- for (n = q->last; n; n = n->parent)
- if (n->tok == ROFF_Bl)
- break;
+ toks[0] = "style";
+ toks[1] = "man";
+ toks[2] = "includes";
+ toks[3] = "fragment";
+ toks[4] = NULL;
- assert(n);
+ h = mandoc_calloc(1, sizeof(struct html));
- /* LINTED */
- for (i = 0; ROFF_ARGMAX != n->argc[i] &&
- i < ROFF_MAXLINEARG; i++) {
- switch (n->argc[i]) {
- case (ROFF_Ohang):
- return(ml_nputs(mbuf, "div", 3, res));
+ h->tags.head = NULL;
+ h->symtab = mchars;
- case (ROFF_Tag):
- /* FALLTHROUGH */
- case (ROFF_Column):
- return(ml_nputs(mbuf, "td", 2, res));
+ 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;
}
- }
- abort();
- /* NOTREACHED */
+ return(h);
}
-
-/* ARGSUSED */
-static int
-html_It_bodytagname(struct md_mbuf *mbuf, struct htmlq *q,
- const int *argc, const char **argv, size_t *res)
+void
+html_free(void *p)
{
- struct htmlnode *n;
- int i;
-
- for (n = q->last; n; n = n->parent)
- if (n->tok == ROFF_Bl)
- break;
+ struct tag *tag;
+ struct html *h;
- assert(n);
+ h = (struct html *)p;
- /* LINTED */
- for (i = 0; ROFF_ARGMAX != n->argc[i] &&
- i < ROFF_MAXLINEARG; i++) {
- switch (n->argc[i]) {
- case (ROFF_Enum):
- /* FALLTHROUGH */
- case (ROFF_Bullet):
- /* FALLTHROUGH */
- case (ROFF_Dash):
- /* FALLTHROUGH */
- case (ROFF_Hyphen):
- /* FALLTHROUGH */
- case (ROFF_Item):
- /* FALLTHROUGH */
- case (ROFF_Diag):
- /* FALLTHROUGH */
- case (ROFF_Hang):
- /* FALLTHROUGH */
- case (ROFF_Ohang):
- /* FALLTHROUGH */
- case (ROFF_Inset):
- return(ml_nputs(mbuf, "div", 3, res));
- case (ROFF_Tag):
- /* FALLTHROUGH */
- case (ROFF_Column):
- return(ml_nputs(mbuf, "td", 2, res));
- default:
- break;
- }
+ while ((tag = h->tags.head) != NULL) {
+ h->tags.head = tag->next;
+ free(tag);
}
- assert(i != ROFF_MAXLINEARG);
- abort();
- /* NOTREACHED */
-
- return(1);
+ free(h);
}
+void
+print_gen_head(struct html *h)
+{
+ struct htmlpair tag[4];
+ struct tag *t;
+
+ tag[0].key = ATTR_CHARSET;
+ tag[0].val = "utf-8";
+ print_otag(h, TAG_META, 1, tag);
+
+ /*
+ * Print a default style-sheet.
+ */
+ t = print_otag(h, TAG_STYLE, 0, NULL);
+ print_text(h, "table.head, table.foot { width: 100%; }\n"
+ "td.head-rtitle, td.foot-os { text-align: right; }\n"
+ "td.head-vol { text-align: center; }\n"
+ "table.foot td { width: 50%; }\n"
+ "table.head td { width: 33%; }\n"
+ "div.spacer { margin: 1em 0; }\n");
+ print_tagq(h, t);
+
+ 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);
+ }
+}
-/* ARGSUSED */
-static int
-html_Bl_bodytagname(struct md_mbuf *mbuf, struct htmlq *q,
- const int *argc, const char **argv, size_t *res)
+static void
+print_metaf(struct html *h, enum mandoc_esc deco)
{
- int i;
+ enum htmlfont font;
- for (i = 0; ROFF_ARGMAX != argc[i]
- && i < ROFF_MAXLINEARG; i++) {
- switch (argc[i]) {
- case (ROFF_Enum):
- return(ml_nputs(mbuf, "ol", 2, res));
- case (ROFF_Bullet):
- /* FALLTHROUGH */
- case (ROFF_Dash):
- /* FALLTHROUGH */
- case (ROFF_Hyphen):
- /* FALLTHROUGH */
- case (ROFF_Item):
- /* FALLTHROUGH */
- case (ROFF_Diag):
- /* FALLTHROUGH */
- case (ROFF_Hang):
- /* FALLTHROUGH */
- case (ROFF_Ohang):
- /* FALLTHROUGH */
- case (ROFF_Inset):
- return(ml_nputs(mbuf, "ul", 2, res));
- case (ROFF_Tag):
- /* FALLTHROUGH */
- case (ROFF_Column):
- return(ml_nputs(mbuf, "table", 5, res));
- default:
- break;
- }
+ 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 */
}
- assert(i != ROFF_MAXLINEARG);
- abort();
- /* NOTREACHED */
-}
+ if (h->metaf) {
+ print_tagq(h, h->metaf);
+ h->metaf = NULL;
+ }
+ h->metal = h->metac;
+ h->metac = font;
-/* ARGSUSED */
-static int
-html_It_blocktagname(struct md_mbuf *mbuf, struct htmlq *q,
- const int *argc, const char **argv, size_t *res)
-{
- struct htmlnode *n;
- int i;
+ 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;
+ }
+}
- for (n = q->last; n; n = n->parent)
- if (n->tok == ROFF_Bl)
+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;
-
- assert(n);
-
- /* LINTED */
- for (i = 0; ROFF_ARGMAX != n->argc[i] &&
- i < ROFF_MAXLINEARG; i++) {
- switch (n->argc[i]) {
- case (ROFF_Enum):
+ cp++;
+ switch (mandoc_escape(&cp, NULL, NULL)) {
+ case ESCAPE_ERROR:
+ return(sz);
+ case ESCAPE_UNICODE:
/* FALLTHROUGH */
- case (ROFF_Bullet):
+ case ESCAPE_NUMBERED:
/* FALLTHROUGH */
- case (ROFF_Dash):
+ case ESCAPE_SPECIAL:
/* FALLTHROUGH */
- case (ROFF_Hyphen):
- /* FALLTHROUGH */
- case (ROFF_Item):
- /* FALLTHROUGH */
- case (ROFF_Diag):
- /* FALLTHROUGH */
- case (ROFF_Hang):
- /* FALLTHROUGH */
- case (ROFF_Ohang):
- /* FALLTHROUGH */
- case (ROFF_Inset):
- return(ml_nputs(mbuf, "li", 2, res));
- case (ROFF_Tag):
- /* FALLTHROUGH */
- case (ROFF_Column):
- return(ml_nputs(mbuf, "tr", 2, res));
+ case ESCAPE_OVERSTRIKE:
+ if (skip)
+ skip = 0;
+ else
+ sz++;
+ break;
+ case ESCAPE_SKIPCHAR:
+ skip = 1;
+ break;
default:
break;
}
}
-
- assert(i != ROFF_MAXLINEARG);
- abort();
- /* NOTREACHED */
+ return(sz);
}
-
static int
-html_loadcss(struct md_mbuf *mbuf, const char *css)
+print_escape(char c)
{
- 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;
- }
-
- bufsz = MAX(st.st_blksize, BUFSIZ);
- if (NULL == (buf = malloc(bufsz))) {
- warn("malloc");
- goto out;
- }
-
- for (;;) {
- if (-1 == (ssz = read(fd, buf, bufsz))) {
- warn("%s", css);
- goto out;
- } else if (0 == ssz)
- break;
- if ( ! ml_nputs(mbuf, buf, (size_t)ssz, &res))
- goto out;
- }
-
- c = 1;
-
-out:
- if (-1 == close(fd)) {
- warn("%s", css);
- c = 0;
- }
-
- if (buf)
- free(buf);
-
- return(c);
-}
-
-/* ARGSUSED */
-static int
-html_begin(struct md_mbuf *mbuf, const struct md_args *args,
- const struct tm *tm, const char *os,
- const char *title, enum roffmsec section,
- const char *vol)
-{
- 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\">";
-
- res = 0;
-
- (void)snprintf(buf, sizeof(buf) - 1,
- preamble, title, ml_section(section));
-
- if ( ! ml_puts(mbuf, buf, &res))
+ switch (c) {
+ case '<':
+ printf("<");
+ break;
+ case '>':
+ printf(">");
+ break;
+ case '&':
+ printf("&");
+ break;
+ case '"':
+ printf(""");
+ break;
+ case ASCII_NBRSP:
+ putchar('-');
+ break;
+ case ASCII_HYPH:
+ putchar('-');
+ /* FALLTHROUGH */
+ case ASCII_BREAK:
+ break;
+ default:
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);
}
-
- if ( ! ml_puts(mbuf, trail, &res))
- return(0);
-
return(1);
}
-
-/* ARGSUSED */
-static int
-html_end(struct md_mbuf *mbuf, const struct md_args *args)
-{
-
- return(ml_puts(mbuf, "</div></body>\n</html>", NULL));
-}
-
-
-/* ARGSUSED */
static int
-html_bodytagname(struct md_mbuf *mbuf,
- const struct md_args *args, int tok, struct htmlq *q,
- const int *argc, const char **argv, size_t *res)
+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[9] = { '\\', '<', '>', '&', '"',
+ ASCII_NBRSP, ASCII_HYPH, ASCII_BREAK, '\0' };
+
+ nospace = 0;
+
+ while ('\0' != *p) {
+ if (HTML_SKIPCHAR & h->flags && '\\' != *p) {
+ h->flags &= ~HTML_SKIPCHAR;
+ p++;
+ continue;
+ }
- switch (tok) {
- case (ROFF_Bl):
- return(html_Bl_bodytagname(mbuf, q, argc, argv, res));
- case (ROFF_Fo):
- return(ml_nputs(mbuf, "span", 4, res));
- case (ROFF_It):
- return(html_It_bodytagname(mbuf, q, argc, argv, res));
- case (ROFF_Oo):
- return(ml_nputs(mbuf, "span", 4, res));
- default:
- break;
- }
-
- return(ml_puts(mbuf, "div", res));
-}
+ sz = strcspn(p, rejs);
+ fwrite(p, 1, sz, stdout);
+ p += (int)sz;
-/* ARGSUSED */
-static int
-html_headtagname(struct md_mbuf *mbuf,
- const struct md_args *args, int tok, struct htmlq *q,
- const int *argc, const char **argv, size_t *res)
-{
+ if ('\0' == *p)
+ break;
- switch (tok) {
- case (ROFF_It):
- return(html_It_headtagname(mbuf, q, argc, argv, res));
- case (ROFF_Fo):
- return(ml_nputs(mbuf, "span", 4, res));
- case (ROFF_Oo):
- return(ml_nputs(mbuf, "span", 4, res));
- case (ROFF_Sh):
- return(ml_nputs(mbuf, "h1", 2, res));
- case (ROFF_Ss):
- return(ml_nputs(mbuf, "h2", 2, res));
- default:
- break;
- }
+ if (print_escape(*p++))
+ continue;
- return(ml_nputs(mbuf, "div", 3, res));
-}
+ 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;
+ }
-/* ARGSUSED */
-static int
-html_blocktagname(struct md_mbuf *mbuf, const struct md_args *args,
- int tok, struct htmlq *q, const int *argc,
- const char **argv, size_t *res)
-{
+ if (h->flags & HTML_SKIPCHAR) {
+ h->flags &= ~HTML_SKIPCHAR;
+ continue;
+ }
- switch (tok) {
- case (ROFF_Fo):
- return(ml_nputs(mbuf, "span", 4, res));
- case (ROFF_Oo):
- return(ml_nputs(mbuf, "span", 4, res));
- case (ROFF_It):
- return(html_It_blocktagname(mbuf, q, argc, argv, res));
- default:
- break;
+ switch (esc) {
+ case ESCAPE_UNICODE:
+ /* Skip past "u" header. */
+ c = mchars_num2uc(seq + 1, len - 1);
+ break;
+ case ESCAPE_NUMBERED:
+ c = mchars_num2char(seq, len);
+ if (c < 0)
+ continue;
+ break;
+ case ESCAPE_SPECIAL:
+ c = mchars_spec2cp(h->symtab, seq, len);
+ if (c <= 0)
+ continue;
+ break;
+ case ESCAPE_NOSPACE:
+ if ('\0' == *p)
+ nospace = 1;
+ continue;
+ case ESCAPE_OVERSTRIKE:
+ if (len == 0)
+ continue;
+ c = seq[len - 1];
+ break;
+ default:
+ continue;
+ }
+ if ((c < 0x20 && c != 0x09) ||
+ (c > 0x7E && c < 0xA0))
+ c = 0xFFFD;
+ if (c > 0x7E)
+ printf("&#%d;", c);
+ else if ( ! print_escape(c))
+ putchar(c);
}
- return(ml_puts(mbuf, "div", res));
+ return(nospace);
}
-
-/* ARGSUSED */
-static int
-html_printargs(struct md_mbuf *mbuf, int tok, const char *ns,
- const int *argc, const char **argv, size_t *res)
+static void
+print_attr(struct html *h, const char *key, const char *val)
{
-
- 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);
- return(ml_puts(mbuf, "\"", res));
+ printf(" %s=\"", key);
+ (void)print_encode(h, val, 1);
+ putchar('\"');
}
-
-/* ARGSUSED */
-static int
-html_headtagargs(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 = 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(" ");
+ }
- return(html_printargs(mbuf, tok, "head", argc, argv, res));
-}
+ if ( ! (h->flags & HTML_NONOSPACE))
+ h->flags &= ~HTML_NOSPACE;
+ else
+ h->flags |= HTML_NOSPACE;
+ /* Print out the tag name and attributes. */
-/* ARGSUSED */
-static int
-html_bodytagargs(struct md_mbuf *mbuf,
- const struct md_args *args, int tok,
- const int *argc, const char **argv, size_t *res)
-{
+ printf("<%s", htmltags[tag].name);
+ for (i = 0; i < sz; i++)
+ print_attr(h, htmlattrs[p[i].key], p[i].val);
- return(html_printargs(mbuf, tok, "body", argc, argv, res));
-}
+ /* Accommodate for "well-formed" singleton escaping. */
+ if (HTML_AUTOCLOSE & htmltags[tag].flags)
+ putchar('/');
-/* 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)
-{
+ putchar('>');
- return(html_printargs(mbuf, tok, "block", argc, argv, res));
-}
-
-
-/* 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)
-{
+ h->flags |= HTML_NOSPACE;
- if ( ! html_printargs(mbuf, tok, "inline", argc, argv, res))
- return(0);
+ if ((HTML_AUTOCLOSE | HTML_CLRLINE) & htmltags[tag].flags)
+ putchar('\n');
- switch (tok) {
- case (ROFF_Sx):
- assert(*argv);
- if ( ! ml_nputs(mbuf, " href=\"#", 8, res))
- return(0);
- if ( ! ml_putstring(mbuf, *argv, res))
- return(0);
- if ( ! ml_nputs(mbuf, "\"", 1, res))
- return(0);
- break;
- default:
- break;
- }
-
- return(1);
+ return(t);
}
-
-/* ARGSUSED */
-static int
-html_inlinetagname(struct md_mbuf *mbuf,
- const struct md_args *args, int tok, size_t *res)
+static void
+print_ctag(struct html *h, struct tag *tag)
{
- switch (tok) {
- case (ROFF_Pp):
- return(ml_nputs(mbuf, "div", 3, res));
- case (ROFF_Sx):
- return(ml_nputs(mbuf, "a", 1, res));
- default:
- break;
+ /*
+ * 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;
+
+ printf("</%s>", htmltags[tag->tag].name);
+ if (HTML_CLRLINE & htmltags[tag->tag].flags) {
+ h->flags |= HTML_NOSPACE;
+ putchar('\n');
}
- return(ml_puts(mbuf, "span", res));
+ h->tags.head = tag->next;
+ free(tag);
}
-
-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_gen_decls(struct html *h)
{
- size_t res;
- struct htmlq *q;
- struct htmlnode *node;
- int i;
- assert(ns != MD_NS_DEFAULT);
- res = 0;
+ puts("<!DOCTYPE html>");
+}
- assert(data);
- q = (struct htmlq *)data;
+void
+print_text(struct html *h, const char *word)
+{
- if (NULL == (node = calloc(1, sizeof(struct htmlnode)))) {
- warn("calloc");
- return(-1);
+ if ( ! (HTML_NOSPACE & h->flags)) {
+ /* Manage keeps! */
+ if ( ! (HTML_KEEP & h->flags)) {
+ if (HTML_PREKEEP & h->flags)
+ h->flags |= HTML_KEEP;
+ putchar(' ');
+ } else
+ printf(" ");
}
- node->parent = q->last;
- node->tok = tok;
- node->ns = ns;
-
- if (argc) {
- /* TODO: argv. */
-
- assert(argv);
- /* LINTED */
- for (i = 0; ROFF_ARGMAX != argc[i]
- && i < ROFF_MAXLINEARG; i++)
- node->argc[i] = argc[i];
- assert(i != ROFF_MAXLINEARG);
- }
-
-
- q->last = node;
-
- switch (ns) {
- case (MD_NS_BLOCK):
- if ( ! html_blocktagname(mbuf, args, tok,
- q, argc, argv, &res))
- return(-1);
- if ( ! html_blocktagargs(mbuf, args, tok,
- argc, argv, &res))
- return(-1);
+ assert(NULL == h->metaf);
+ switch (h->metac) {
+ case HTMLFONT_ITALIC:
+ h->metaf = print_otag(h, TAG_I, 0, NULL);
break;
- case (MD_NS_BODY):
- if ( ! html_bodytagname(mbuf, args, tok,
- q, argc, argv, &res))
- return(-1);
- if ( ! html_bodytagargs(mbuf, args, tok,
- argc, argv, &res))
- return(-1);
+ case HTMLFONT_BOLD:
+ h->metaf = print_otag(h, TAG_B, 0, NULL);
break;
- case (MD_NS_HEAD):
- if ( ! html_headtagname(mbuf, args, tok, q,
- argc, argv, &res))
- return(-1);
- if ( ! html_headtagargs(mbuf, args, tok,
- argc, argv, &res))
- return(-1);
+ case HTMLFONT_BI:
+ h->metaf = print_otag(h, TAG_B, 0, NULL);
+ print_otag(h, TAG_I, 0, NULL);
break;
default:
- if ( ! html_inlinetagname(mbuf, args, tok, &res))
- return(-1);
- if ( ! html_inlinetagargs(mbuf, args, tok,
- argc, argv, &res))
- return(-1);
break;
}
- return((ssize_t)res);
-}
+ assert(word);
+ if ( ! print_encode(h, word, 0)) {
+ if ( ! (h->flags & HTML_NONOSPACE))
+ h->flags &= ~HTML_NOSPACE;
+ h->flags &= ~HTML_NONEWLINE;
+ } else
+ h->flags |= HTML_NOSPACE | HTML_NONEWLINE;
+
+ if (h->metaf) {
+ print_tagq(h, h->metaf);
+ h->metaf = NULL;
+ }
+ h->flags &= ~HTML_IGNDELIM;
+}
-static ssize_t
-html_endtag(struct md_mbuf *mbuf, void *data,
- const struct md_args *args, enum md_ns ns, int tok)
+void
+print_tagq(struct html *h, const struct tag *until)
{
- size_t res;
- struct htmlq *q;
- struct htmlnode *node;
-
- assert(ns != MD_NS_DEFAULT);
- res = 0;
-
- assert(data);
- q = (struct htmlq *)data;
- node = q->last;
-
- switch (ns) {
- case (MD_NS_BLOCK):
- if ( ! html_blocktagname(mbuf, args, tok,
- q, node->argc,
- (const char **)node->argv, &res))
- return(-1);
- break;
- case (MD_NS_BODY):
- if ( ! html_bodytagname(mbuf, args, tok,
- q, node->argc,
- (const char **)node->argv, &res))
- return(-1);
- break;
- case (MD_NS_HEAD):
- if ( ! html_headtagname(mbuf, args, tok,
- q, node->argc,
- (const char **)node->argv, &res))
- return(-1);
- break;
- default:
- if ( ! html_inlinetagname(mbuf, args, tok, &res))
- return(-1);
- break;
- }
+ struct tag *tag;
- q->last = node->parent;
+ while ((tag = h->tags.head) != NULL) {
+ print_ctag(h, tag);
+ if (until && tag == until)
+ return;
+ }
+}
- free(node);
+void
+print_stagq(struct html *h, const struct tag *suntil)
+{
+ struct tag *tag;
- return((ssize_t)res);
+ while ((tag = h->tags.head) != NULL) {
+ if (suntil && tag == suntil)
+ return;
+ print_ctag(h, tag);
+ }
}
-
-static int
-html_alloc(void **p)
+void
+print_paragraph(struct html *h)
{
+ struct tag *t;
+ struct htmlpair tag;
- if (NULL == (*p = calloc(1, sizeof(struct htmlq)))) {
- warn("calloc");
- return(0);
- }
- return(1);
+ PAIR_CLASS_INIT(&tag, "spacer");
+ t = print_otag(h, TAG_DIV, 1, &tag);
+ print_tagq(h, t);
}
-static void
-html_free(void *p)
+void
+bufinit(struct html *h)
{
- struct htmlq *q;
- struct htmlnode *n;
- assert(p);
- q = (struct htmlq *)p;
+ h->buf[0] = '\0';
+ h->buflen = 0;
+}
- /* LINTED */
- while ((n = q->last)) {
- q->last = n->parent;
- free(n);
- }
+void
+bufcat_style(struct html *h, const char *key, const char *val)
+{
- free(q);
+ bufcat(h, key);
+ bufcat(h, ":");
+ bufcat(h, val);
+ bufcat(h, ";");
}
-
-static ssize_t
-html_beginhttp(struct md_mbuf *mbuf,
- const struct md_args *args,
- const char *buf, size_t sz)
+void
+bufcat(struct html *h, const char *p)
{
- size_t res;
-
- res = 0;
- if ( ! ml_puts(mbuf, "<a href=\"", &res))
- return(-1);
- if (1 != ml_nputstring(mbuf, buf, sz, &res))
- return(-1);
- if ( ! ml_puts(mbuf, "\">", &res))
- return(-1);
+ /*
+ * XXX This is broken and not easy to fix.
+ * When using the -Oincludes option, buffmt_includes()
+ * may pass in strings overrunning BUFSIZ, causing a crash.
+ */
- return((ssize_t)res);
+ h->buflen = strlcat(h->buf, p, BUFSIZ);
+ assert(h->buflen < BUFSIZ);
}
-
-static ssize_t
-html_endhttp(struct md_mbuf *mbuf,
- const struct md_args *args,
- const char *buf, size_t sz)
+void
+bufcat_fmt(struct html *h, const char *fmt, ...)
{
- size_t res;
+ va_list ap;
- res = 0;
+ 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);
+}
- if ( ! ml_puts(mbuf, "</a>", &res))
- return(-1);
+static void
+bufncat(struct html *h, const char *p, size_t sz)
+{
- return((ssize_t)res);
+ assert(h->buflen + sz + 1 < BUFSIZ);
+ strncat(h->buf, p, sz);
+ h->buflen += sz;
}
-
-/* ARGSUSED */
-static ssize_t
-html_beginstring(struct md_mbuf *mbuf,
- const struct md_args *args,
- const char *buf, size_t sz)
+void
+buffmt_includes(struct html *h, const char *name)
{
+ const char *p, *pp;
- if (0 == strncmp(buf, "http://", 7))
- return(html_beginhttp(mbuf, args, buf, sz));
+ pp = h->base_includes;
- return(0);
+ 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);
}
-
-/* ARGSUSED */
-static ssize_t
-html_endstring(struct md_mbuf *mbuf,
- const struct md_args *args,
- const char *buf, size_t sz)
+void
+buffmt_man(struct html *h, const char *name, const char *sec)
{
-
- if (0 == strncmp(buf, "http://", 7))
- return(html_endhttp(mbuf, args, buf, sz));
+ const char *p, *pp;
- return(0);
-}
+ 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, "%s", name);
+ break;
+ default:
+ bufncat(h, p, 2);
+ break;
+ }
+ pp = p + 2;
+ }
+ if (pp)
+ bufcat(h, pp);
+}
-int
-md_line_html(void *data, char *buf)
+void
+bufcat_su(struct html *h, const char *p, const struct roffsu *su)
{
+ double v;
- return(mlg_line((struct md_mlg *)data, buf));
-}
+ v = su->scale;
+ if (SCALE_MM == su->unit && 0.0 == (v /= 100.0))
+ v = 1.0;
+ else if (SCALE_BU == su->unit)
+ v /= 24.0;
+ bufcat_fmt(h, "%s: %.2f%s;", p, v, roffscales[su->unit]);
+}
-int
-md_exit_html(void *data, int flush)
+void
+bufcat_id(struct html *h, const char *src)
{
- return(mlg_exit((struct md_mlg *)data, flush));
-}
+ /* Cf. <http://www.w3.org/TR/html4/types.html#h-6.2>. */
-
-void *
-md_init_html(const struct md_args *args,
- struct md_mbuf *mbuf, const struct md_rbuf *rbuf)
-{
- struct ml_cbs cbs;
-
- cbs.ml_alloc = html_alloc;
- cbs.ml_free = html_free;
- cbs.ml_begintag = html_begintag;
- cbs.ml_endtag = html_endtag;
- cbs.ml_begin = html_begin;
- cbs.ml_end = html_end;
- cbs.ml_beginstring = html_beginstring;
- cbs.ml_endstring = html_endstring;
-
- return(mlg_alloc(args, rbuf, mbuf, &cbs));
+ while ('\0' != *src)
+ bufcat_fmt(h, "%.2x", *src++);
}
git.ckatri.com / mandoc.git / blobdiff