-/* $Id: html.c,v 1.31 2009/09/17 07:41:28 kristaps Exp $ */
+/* $Id: html.c,v 1.261 2019/09/05 13:35:04 schwarze Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2011-2015, 2017-2019 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.
*
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS 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/queue.h>
+#include "config.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
#include <assert.h>
-#include <err.h>
+#include <ctype.h>
+#include <stdarg.h>
+#include <stddef.h>
#include <stdio.h>
+#include <stdint.h>
#include <stdlib.h>
-
-#include "mdoc.h"
-#include "man.h"
-
-#define DOCTYPE "-//W3C//DTD HTML 4.01//EN"
-#define DTD "http://www.w3.org/TR/html4/strict.dtd"
-
-enum htmltag {
- TAG_HTML,
- TAG_HEAD,
- TAG_BODY,
- TAG_META,
- TAG_TITLE,
- TAG_DIV,
- TAG_H1,
- TAG_H2,
- TAG_P,
- TAG_SPAN,
- TAG_LINK,
- TAG_BR,
- TAG_A,
- TAG_MAX
-};
-
-enum htmlattr {
- ATTR_HTTPEQUIV,
- ATTR_CONTENT,
- ATTR_NAME,
- ATTR_REL,
- ATTR_HREF,
- ATTR_TYPE,
- ATTR_MEDIA,
- ATTR_CLASS,
- ATTR_MAX
-};
+#include <string.h>
+#include <unistd.h>
+
+#include "mandoc_aux.h"
+#include "mandoc_ohash.h"
+#include "mandoc.h"
+#include "roff.h"
+#include "out.h"
+#include "html.h"
+#include "manconf.h"
+#include "main.h"
struct htmldata {
- char *name;
+ const char *name;
int flags;
-#define HTML_CLRLINE (1 << 0)
-#define HTML_NOSTACK (1 << 1)
+#define HTML_INPHRASE (1 << 0) /* Can appear in phrasing context. */
+#define HTML_TOPHRASE (1 << 1) /* Establishes phrasing context. */
+#define HTML_NOSTACK (1 << 2) /* Does not have an end tag. */
+#define HTML_NLBEFORE (1 << 3) /* Output line break before opening. */
+#define HTML_NLBEGIN (1 << 4) /* Output line break after opening. */
+#define HTML_NLEND (1 << 5) /* Output line break before closing. */
+#define HTML_NLAFTER (1 << 6) /* Output line break after closing. */
+#define HTML_NLAROUND (HTML_NLBEFORE | HTML_NLAFTER)
+#define HTML_NLINSIDE (HTML_NLBEGIN | HTML_NLEND)
+#define HTML_NLALL (HTML_NLAROUND | HTML_NLINSIDE)
+#define HTML_INDENT (1 << 7) /* Indent content by two spaces. */
+#define HTML_NOINDENT (1 << 8) /* Exception: never indent content. */
};
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}, /* TAG_META */
- {"title", HTML_CLRLINE | HTML_NOSTACK}, /* TAG_TITLE */
- {"div", HTML_CLRLINE}, /* TAG_DIV */
- {"h1", 0}, /* TAG_H1 */
- {"h2", 0}, /* TAG_H2 */
- {"p", HTML_CLRLINE}, /* TAG_P */
- {"span", 0}, /* TAG_SPAN */
- {"link", HTML_CLRLINE | HTML_NOSTACK}, /* TAG_LINK */
- {"br", HTML_CLRLINE | HTML_NOSTACK}, /* TAG_LINK */
- {"a", 0}, /* TAG_A */
-};
-
-static const char *const htmlattrs[ATTR_MAX] = {
- "http-equiv",
- "content",
- "name",
- "rel",
- "href",
- "type",
- "media",
- "class"
-};
-
-struct htmlpair {
- enum htmlattr key;
- char *val;
+ {"html", HTML_NLALL},
+ {"head", HTML_NLALL | HTML_INDENT},
+ {"meta", HTML_NOSTACK | HTML_NLALL},
+ {"link", HTML_NOSTACK | HTML_NLALL},
+ {"style", HTML_NLALL | HTML_INDENT},
+ {"title", HTML_NLAROUND},
+ {"body", HTML_NLALL},
+ {"div", HTML_NLAROUND},
+ {"section", HTML_NLALL},
+ {"table", HTML_NLALL | HTML_INDENT},
+ {"tr", HTML_NLALL | HTML_INDENT},
+ {"td", HTML_NLAROUND},
+ {"li", HTML_NLAROUND | HTML_INDENT},
+ {"ul", HTML_NLALL | HTML_INDENT},
+ {"ol", HTML_NLALL | HTML_INDENT},
+ {"dl", HTML_NLALL | HTML_INDENT},
+ {"dt", HTML_NLAROUND},
+ {"dd", HTML_NLAROUND | HTML_INDENT},
+ {"h1", HTML_TOPHRASE | HTML_NLAROUND},
+ {"h2", HTML_TOPHRASE | HTML_NLAROUND},
+ {"p", HTML_TOPHRASE | HTML_NLAROUND | HTML_INDENT},
+ {"pre", HTML_TOPHRASE | HTML_NLALL | HTML_NOINDENT},
+ {"a", HTML_INPHRASE | HTML_TOPHRASE},
+ {"b", HTML_INPHRASE | HTML_TOPHRASE},
+ {"cite", HTML_INPHRASE | HTML_TOPHRASE},
+ {"code", HTML_INPHRASE | HTML_TOPHRASE},
+ {"i", HTML_INPHRASE | HTML_TOPHRASE},
+ {"small", HTML_INPHRASE | HTML_TOPHRASE},
+ {"span", HTML_INPHRASE | HTML_TOPHRASE},
+ {"var", HTML_INPHRASE | HTML_TOPHRASE},
+ {"br", HTML_INPHRASE | HTML_NOSTACK | HTML_NLALL},
+ {"math", HTML_INPHRASE | HTML_NLALL | HTML_INDENT},
+ {"mrow", 0},
+ {"mi", 0},
+ {"mn", 0},
+ {"mo", 0},
+ {"msup", 0},
+ {"msub", 0},
+ {"msubsup", 0},
+ {"mfrac", 0},
+ {"msqrt", 0},
+ {"mfenced", 0},
+ {"mtable", 0},
+ {"mtr", 0},
+ {"mtd", 0},
+ {"munderover", 0},
+ {"munder", 0},
+ {"mover", 0},
};
-struct tag {
- enum htmltag tag;
- SLIST_ENTRY(tag) entry;
-};
+/* Avoid duplicate HTML id= attributes. */
+static struct ohash id_unique;
-SLIST_HEAD(tagq, tag);
+static void html_reset_internal(struct html *);
+static void print_byte(struct html *, char);
+static void print_endword(struct html *);
+static void print_indent(struct html *);
+static void print_word(struct html *, const char *);
-struct html {
- int flags;
-#define HTML_NOSPACE (1 << 0)
-#define HTML_NEWLINE (1 << 1)
- struct tagq stack;
-};
+static void print_ctag(struct html *, struct tag *);
+static int print_escape(struct html *, char);
+static int print_encode(struct html *, const char *, const char *, int);
+static void print_href(struct html *, const char *, const char *, int);
+static void print_metaf(struct html *);
-#define MDOC_ARGS const struct mdoc_meta *m, \
- const struct mdoc_node *n, \
- struct html *h
-#define MAN_ARGS const struct man_meta *m, \
- const struct man_node *n, \
- struct html *h
-struct htmlmdoc {
- int (*pre)(MDOC_ARGS);
- void (*post)(MDOC_ARGS);
-};
-static void print_gen_doctype(struct html *);
-static void print_gen_head(struct html *);
-static void print_mdoc(MDOC_ARGS);
-static void print_mdoc_head(MDOC_ARGS);
-static void print_mdoc_title(MDOC_ARGS);
-static void print_mdoc_node(MDOC_ARGS);
-static void print_man(MAN_ARGS);
-static void print_man_head(MAN_ARGS);
-static void print_man_body(MAN_ARGS);
-static struct tag *print_otag(struct html *, enum htmltag,
- int, const struct htmlpair *);
-static void print_tagq(struct html *, const struct tag *);
-static void print_stagq(struct html *, const struct tag *);
-static void print_ctag(struct html *, enum htmltag);
-static void print_encode(const char *);
-static void print_text(struct html *, const char *);
-static int mdoc_root_pre(MDOC_ARGS);
-
-static int mdoc_ar_pre(MDOC_ARGS);
-static int mdoc_fl_pre(MDOC_ARGS);
-static int mdoc_nd_pre(MDOC_ARGS);
-static int mdoc_nm_pre(MDOC_ARGS);
-static int mdoc_ns_pre(MDOC_ARGS);
-static int mdoc_op_pre(MDOC_ARGS);
-static void mdoc_op_post(MDOC_ARGS);
-static int mdoc_pp_pre(MDOC_ARGS);
-static int mdoc_sh_pre(MDOC_ARGS);
-static int mdoc_ss_pre(MDOC_ARGS);
-static int mdoc_xr_pre(MDOC_ARGS);
-
-static const struct htmlmdoc mdocs[MDOC_MAX] = {
- {NULL, NULL}, /* Ap */
- {NULL, NULL}, /* Dd */
- {NULL, NULL}, /* Dt */
- {NULL, NULL}, /* Os */
- {mdoc_sh_pre, NULL }, /* Sh */
- {mdoc_ss_pre, NULL }, /* Ss */
- {mdoc_pp_pre, NULL}, /* Pp */
- {NULL, NULL}, /* D1 */
- {NULL, NULL}, /* Dl */
- {NULL, NULL}, /* Bd */
- {NULL, NULL}, /* Ed */
- {NULL, NULL}, /* Bl */
- {NULL, NULL}, /* El */
- {NULL, NULL}, /* It */
- {NULL, NULL}, /* Ad */
- {NULL, NULL}, /* An */
- {mdoc_ar_pre, NULL}, /* Ar */
- {NULL, NULL}, /* Cd */
- {NULL, NULL}, /* Cm */
- {NULL, NULL}, /* Dv */
- {NULL, NULL}, /* Er */
- {NULL, NULL}, /* Ev */
- {NULL, NULL}, /* Ex */
- {NULL, NULL}, /* Fa */
- {NULL, NULL}, /* Fd */
- {mdoc_fl_pre, NULL}, /* Fl */
- {NULL, NULL}, /* Fn */
- {NULL, NULL}, /* Ft */
- {NULL, NULL}, /* Ic */
- {NULL, NULL}, /* In */
- {NULL, NULL}, /* Li */
- {mdoc_nd_pre, NULL}, /* Nd */
- {mdoc_nm_pre, NULL}, /* Nm */
- {mdoc_op_pre, mdoc_op_post}, /* Op */
- {NULL, NULL}, /* Ot */
- {NULL, NULL}, /* Pa */
- {NULL, NULL}, /* Rv */
- {NULL, NULL}, /* St */
- {NULL, NULL}, /* Va */
- {NULL, NULL}, /* Vt */
- {mdoc_xr_pre, NULL}, /* Xr */
- {NULL, NULL}, /* %A */
- {NULL, NULL}, /* %B */
- {NULL, NULL}, /* %D */
- {NULL, NULL}, /* %I */
- {NULL, NULL}, /* %J */
- {NULL, NULL}, /* %N */
- {NULL, NULL}, /* %O */
- {NULL, NULL}, /* %P */
- {NULL, NULL}, /* %R */
- {NULL, NULL}, /* %T */
- {NULL, NULL}, /* %V */
- {NULL, NULL}, /* Ac */
- {NULL, NULL}, /* Ao */
- {NULL, NULL}, /* Aq */
- {NULL, NULL}, /* At */
- {NULL, NULL}, /* Bc */
- {NULL, NULL}, /* Bf */
- {NULL, NULL}, /* Bo */
- {NULL, NULL}, /* Bq */
- {NULL, NULL}, /* Bsx */
- {NULL, NULL}, /* Bx */
- {NULL, NULL}, /* Db */
- {NULL, NULL}, /* Dc */
- {NULL, NULL}, /* Do */
- {NULL, NULL}, /* Dq */
- {NULL, NULL}, /* Ec */
- {NULL, NULL}, /* Ef */
- {NULL, NULL}, /* Em */
- {NULL, NULL}, /* Eo */
- {NULL, NULL}, /* Fx */
- {NULL, NULL}, /* Ms */
- {NULL, NULL}, /* No */
- {mdoc_ns_pre, NULL}, /* Ns */
- {NULL, NULL}, /* Nx */
- {NULL, NULL}, /* Ox */
- {NULL, NULL}, /* Pc */
- {NULL, NULL}, /* Pf */
- {NULL, NULL}, /* Po */
- {NULL, NULL}, /* Pq */
- {NULL, NULL}, /* Qc */
- {NULL, NULL}, /* Ql */
- {NULL, NULL}, /* Qo */
- {NULL, NULL}, /* Qq */
- {NULL, NULL}, /* Re */
- {NULL, NULL}, /* Rs */
- {NULL, NULL}, /* Sc */
- {NULL, NULL}, /* So */
- {NULL, NULL}, /* Sq */
- {NULL, NULL}, /* Sm */
- {NULL, NULL}, /* Sx */
- {NULL, NULL}, /* Sy */
- {NULL, NULL}, /* Tn */
- {NULL, NULL}, /* Ux */
- {NULL, NULL}, /* Xc */
- {NULL, NULL}, /* Xo */
- {NULL, NULL}, /* Fo */
- {NULL, NULL}, /* Fc */
- {NULL, NULL}, /* Oo */
- {NULL, NULL}, /* Oc */
- {NULL, NULL}, /* Bk */
- {NULL, NULL}, /* Ek */
- {NULL, NULL}, /* Bt */
- {NULL, NULL}, /* Hf */
- {NULL, NULL}, /* Fr */
- {NULL, NULL}, /* Ud */
- {NULL, NULL}, /* Lb */
- {NULL, NULL}, /* Lp */
- {NULL, NULL}, /* Lk */
- {NULL, NULL}, /* Mt */
- {NULL, NULL}, /* Brq */
- {NULL, NULL}, /* Bro */
- {NULL, NULL}, /* Brc */
- {NULL, NULL}, /* %C */
- {NULL, NULL}, /* Es */
- {NULL, NULL}, /* En */
- {NULL, NULL}, /* Dx */
- {NULL, NULL}, /* %Q */
- {NULL, NULL}, /* br */
- {NULL, NULL}, /* sp */
-};
-
-
-void
-html_mdoc(void *arg, const struct mdoc *m)
+void *
+html_alloc(const struct manoutput *outopts)
{
- struct html *h;
- struct tag *t;
+ struct html *h;
- h = (struct html *)arg;
+ h = mandoc_calloc(1, sizeof(struct html));
- print_gen_doctype(h);
- t = print_otag(h, TAG_HTML, 0, NULL);
- print_mdoc(mdoc_meta(m), mdoc_node(m), h);
- print_tagq(h, t);
+ h->tag = NULL;
+ h->style = outopts->style;
+ if ((h->base_man1 = outopts->man) == NULL)
+ h->base_man2 = NULL;
+ else if ((h->base_man2 = strchr(h->base_man1, ';')) != NULL)
+ *h->base_man2++ = '\0';
+ h->base_includes = outopts->includes;
+ if (outopts->fragment)
+ h->oflags |= HTML_FRAGMENT;
+ if (outopts->toc)
+ h->oflags |= HTML_TOC;
- printf("\n");
-}
+ mandoc_ohash_init(&id_unique, 4, 0);
+ return h;
+}
-void
-html_man(void *arg, const struct man *m)
+static void
+html_reset_internal(struct html *h)
{
- struct html *h;
- struct tag *t;
-
- h = (struct html *)arg;
-
- print_gen_doctype(h);
- t = print_otag(h, TAG_HTML, 0, NULL);
- print_man(man_meta(m), man_node(m), h);
- print_tagq(h, t);
+ struct tag *tag;
+ char *cp;
+ unsigned int slot;
- printf("\n");
+ while ((tag = h->tag) != NULL) {
+ h->tag = tag->next;
+ free(tag);
+ }
+ cp = ohash_first(&id_unique, &slot);
+ while (cp != NULL) {
+ free(cp);
+ cp = ohash_next(&id_unique, &slot);
+ }
+ ohash_delete(&id_unique);
}
-
-void *
-html_alloc(void)
+void
+html_reset(void *p)
{
- struct html *h;
-
- if (NULL == (h = calloc(1, sizeof(struct html))))
- return(NULL);
-
- SLIST_INIT(&h->stack);
- return(h);
+ html_reset_internal(p);
+ mandoc_ohash_init(&id_unique, 4, 0);
}
-
void
html_free(void *p)
{
- struct tag *tag;
- struct html *h;
-
- h = (struct html *)p;
-
- while ( ! SLIST_EMPTY(&h->stack)) {
- tag = SLIST_FIRST(&h->stack);
- SLIST_REMOVE_HEAD(&h->stack, entry);
- free(tag);
- }
- free(h);
+ html_reset_internal(p);
+ free(p);
}
-
-static void
-print_mdoc(MDOC_ARGS)
+void
+print_gen_head(struct html *h)
{
struct tag *t;
- t = print_otag(h, TAG_HEAD, 0, NULL);
- print_mdoc_head(m, n, h);
- print_tagq(h, t);
+ print_otag(h, TAG_META, "?", "charset", "utf-8");
+ if (h->style != NULL) {
+ print_otag(h, TAG_LINK, "?h??", "rel", "stylesheet",
+ h->style, "type", "text/css", "media", "all");
+ return;
+ }
- t = print_otag(h, TAG_BODY, 0, NULL);
- print_mdoc_title(m, n, h);
- print_mdoc_node(m, n, h);
+ /*
+ * Print a minimal embedded style sheet.
+ */
+
+ t = print_otag(h, TAG_STYLE, "");
+ print_text(h, "table.head, table.foot { width: 100%; }");
+ print_endline(h);
+ print_text(h, "td.head-rtitle, td.foot-os { text-align: right; }");
+ print_endline(h);
+ print_text(h, "td.head-vol { text-align: center; }");
+ print_endline(h);
+ print_text(h, ".Nd, .Bf, .Op { display: inline; }");
+ print_endline(h);
+ print_text(h, ".Pa, .Ad { font-style: italic; }");
+ print_endline(h);
+ print_text(h, ".Ms { font-weight: bold; }");
+ print_endline(h);
+ print_text(h, ".Bl-diag ");
+ print_byte(h, '>');
+ print_text(h, " dt { font-weight: bold; }");
+ print_endline(h);
+ print_text(h, "code.Nm, .Fl, .Cm, .Ic, code.In, .Fd, .Fn, .Cd "
+ "{ font-weight: bold; font-family: inherit; }");
print_tagq(h, t);
}
-
-static void
-print_gen_head(struct html *h)
+int
+html_setfont(struct html *h, enum mandoc_esc font)
{
- struct htmlpair meta0[2];
- struct htmlpair meta1[2];
- struct htmlpair link[4];
-
- meta0[0].key = ATTR_HTTPEQUIV;
- meta0[0].val = "Content-Type";
- meta0[1].key = ATTR_CONTENT;
- meta0[1].val = "text/html; charest-utf-8";
-
- meta1[0].key = ATTR_NAME;
- meta1[0].val = "resource-type";
- meta1[1].key = ATTR_CONTENT;
- meta1[1].val = "document";
-
- link[0].key = ATTR_REL;
- link[0].val = "stylesheet";
- link[1].key = ATTR_HREF;
- link[1].val = "style.css"; /* XXX */
- link[2].key = ATTR_TYPE;
- link[2].val = "text/css";
- link[3].key = ATTR_MEDIA;
- link[3].val = "all";
-
- print_otag(h, TAG_META, 2, meta0);
- print_otag(h, TAG_META, 2, meta1);
- print_otag(h, TAG_LINK, 4, link);
+ switch (font) {
+ case ESCAPE_FONTPREV:
+ font = h->metal;
+ break;
+ case ESCAPE_FONTITALIC:
+ case ESCAPE_FONTBOLD:
+ case ESCAPE_FONTBI:
+ case ESCAPE_FONTCW:
+ case ESCAPE_FONTROMAN:
+ break;
+ case ESCAPE_FONT:
+ font = ESCAPE_FONTROMAN;
+ break;
+ default:
+ return 0;
+ }
+ h->metal = h->metac;
+ h->metac = font;
+ return 1;
}
-
-/* ARGSUSED */
static void
-print_mdoc_head(MDOC_ARGS)
+print_metaf(struct html *h)
{
-
- print_gen_head(h);
- print_otag(h, TAG_TITLE, 0, NULL);
- print_encode(m->title);
+ if (h->metaf) {
+ print_tagq(h, h->metaf);
+ h->metaf = NULL;
+ }
+ switch (h->metac) {
+ case ESCAPE_FONTITALIC:
+ h->metaf = print_otag(h, TAG_I, "");
+ break;
+ case ESCAPE_FONTBOLD:
+ h->metaf = print_otag(h, TAG_B, "");
+ break;
+ case ESCAPE_FONTBI:
+ h->metaf = print_otag(h, TAG_B, "");
+ print_otag(h, TAG_I, "");
+ break;
+ case ESCAPE_FONTCW:
+ h->metaf = print_otag(h, TAG_SPAN, "c", "Li");
+ break;
+ default:
+ break;
+ }
}
-
-/* ARGSUSED */
-static void
-print_mdoc_title(MDOC_ARGS)
+void
+html_close_paragraph(struct html *h)
{
-
- /* TODO */
+ struct tag *this, *next;
+ int flags;
+
+ this = h->tag;
+ for (;;) {
+ next = this->next;
+ flags = htmltags[this->tag].flags;
+ if (flags & (HTML_INPHRASE | HTML_TOPHRASE))
+ print_ctag(h, this);
+ if ((flags & HTML_INPHRASE) == 0)
+ break;
+ this = next;
+ }
}
-
-static void
-print_mdoc_node(MDOC_ARGS)
+/*
+ * ROFF_nf switches to no-fill mode, ROFF_fi to fill mode.
+ * TOKEN_NONE does not switch. The old mode is returned.
+ */
+enum roff_tok
+html_fillmode(struct html *h, enum roff_tok want)
{
- int child;
struct tag *t;
+ enum roff_tok had;
- child = 1;
- t = SLIST_FIRST(&h->stack);
+ for (t = h->tag; t != NULL; t = t->next)
+ if (t->tag == TAG_PRE)
+ break;
- switch (n->type) {
- case (MDOC_ROOT):
- child = mdoc_root_pre(m, n, h);
- break;
- case (MDOC_TEXT):
- print_text(h, n->string);
- break;
- default:
- if (mdocs[n->tok].pre)
- child = (*mdocs[n->tok].pre)(m, n, h);
- break;
+ had = t == NULL ? ROFF_fi : ROFF_nf;
+
+ if (want != had) {
+ switch (want) {
+ case ROFF_fi:
+ print_tagq(h, t);
+ break;
+ case ROFF_nf:
+ html_close_paragraph(h);
+ print_otag(h, TAG_PRE, "");
+ break;
+ case TOKEN_NONE:
+ break;
+ default:
+ abort();
+ }
}
+ return had;
+}
- if (child && n->child)
- print_mdoc_node(m, n->child, h);
+char *
+html_make_id(const struct roff_node *n, int unique)
+{
+ const struct roff_node *nch;
+ char *buf, *bufs, *cp;
+ unsigned int slot;
+ int suffix;
+
+ for (nch = n->child; nch != NULL; nch = nch->next)
+ if (nch->type != ROFFT_TEXT)
+ return NULL;
+
+ buf = NULL;
+ deroff(&buf, n);
+ if (buf == NULL)
+ return NULL;
+
+ /*
+ * In ID attributes, only use ASCII characters that are
+ * permitted in URL-fragment strings according to the
+ * explicit list at:
+ * https://url.spec.whatwg.org/#url-fragment-string
+ */
+
+ for (cp = buf; *cp != '\0'; cp++)
+ if (isalnum((unsigned char)*cp) == 0 &&
+ strchr("!$&'()*+,-./:;=?@_~", *cp) == NULL)
+ *cp = '_';
+
+ if (unique == 0)
+ return buf;
+
+ /* Avoid duplicate HTML id= attributes. */
+
+ bufs = NULL;
+ suffix = 1;
+ slot = ohash_qlookup(&id_unique, buf);
+ cp = ohash_find(&id_unique, slot);
+ if (cp != NULL) {
+ while (cp != NULL) {
+ free(bufs);
+ if (++suffix > 127) {
+ free(buf);
+ return NULL;
+ }
+ mandoc_asprintf(&bufs, "%s_%d", buf, suffix);
+ slot = ohash_qlookup(&id_unique, bufs);
+ cp = ohash_find(&id_unique, slot);
+ }
+ free(buf);
+ buf = bufs;
+ }
+ ohash_insert(&id_unique, slot, buf);
+ return buf;
+}
- print_stagq(h, t);
+static int
+print_escape(struct html *h, char c)
+{
- switch (n->type) {
- case (MDOC_ROOT):
+ switch (c) {
+ case '<':
+ print_word(h, "<");
break;
- case (MDOC_TEXT):
+ case '>':
+ print_word(h, ">");
break;
- default:
- if (mdocs[n->tok].post)
- (*mdocs[n->tok].post)(m, n, h);
+ case '&':
+ print_word(h, "&");
+ break;
+ case '"':
+ print_word(h, """);
+ break;
+ case ASCII_NBRSP:
+ print_word(h, " ");
+ break;
+ case ASCII_HYPH:
+ print_byte(h, '-');
break;
+ case ASCII_BREAK:
+ break;
+ default:
+ return 0;
}
-
- if (n->next)
- print_mdoc_node(m, n->next, h);
+ return 1;
}
-
-static void
-print_man(MAN_ARGS)
+static int
+print_encode(struct html *h, const char *p, const char *pend, int norecurse)
{
- struct tag *t;
+ char numbuf[16];
+ const char *seq;
+ size_t sz;
+ int c, len, breakline, nospace;
+ enum mandoc_esc esc;
+ static const char rejs[10] = { ' ', '\\', '<', '>', '&', '"',
+ ASCII_NBRSP, ASCII_HYPH, ASCII_BREAK, '\0' };
+
+ if (pend == NULL)
+ pend = strchr(p, '\0');
+
+ breakline = 0;
+ nospace = 0;
+
+ while (p < pend) {
+ if (HTML_SKIPCHAR & h->flags && '\\' != *p) {
+ h->flags &= ~HTML_SKIPCHAR;
+ p++;
+ continue;
+ }
- t = print_otag(h, TAG_HEAD, 0, NULL);
- print_man_head(m, n, h);
- print_tagq(h, t);
+ for (sz = strcspn(p, rejs); sz-- && p < pend; p++)
+ print_byte(h, *p);
- t = print_otag(h, TAG_BODY, 0, NULL);
- print_man_body(m, n, h);
- print_tagq(h, t);
-}
+ if (breakline &&
+ (p >= pend || *p == ' ' || *p == ASCII_NBRSP)) {
+ print_otag(h, TAG_BR, "");
+ breakline = 0;
+ while (p < pend && (*p == ' ' || *p == ASCII_NBRSP))
+ p++;
+ continue;
+ }
+ if (p >= pend)
+ break;
-/* ARGSUSED */
-static void
-print_man_head(MAN_ARGS)
-{
+ if (*p == ' ') {
+ print_endword(h);
+ p++;
+ continue;
+ }
- print_gen_head(h);
- print_otag(h, TAG_TITLE, 0, NULL);
- print_encode(m->title);
-}
+ if (print_escape(h, *p++))
+ continue;
+
+ esc = mandoc_escape(&p, &seq, &len);
+ switch (esc) {
+ case ESCAPE_FONT:
+ case ESCAPE_FONTPREV:
+ case ESCAPE_FONTBOLD:
+ case ESCAPE_FONTITALIC:
+ case ESCAPE_FONTBI:
+ case ESCAPE_FONTCW:
+ case ESCAPE_FONTROMAN:
+ if (0 == norecurse) {
+ h->flags |= HTML_NOSPACE;
+ if (html_setfont(h, esc))
+ print_metaf(h);
+ h->flags &= ~HTML_NOSPACE;
+ }
+ continue;
+ case ESCAPE_SKIPCHAR:
+ h->flags |= HTML_SKIPCHAR;
+ continue;
+ case ESCAPE_ERROR:
+ continue;
+ default:
+ break;
+ }
+ if (h->flags & HTML_SKIPCHAR) {
+ h->flags &= ~HTML_SKIPCHAR;
+ continue;
+ }
-/* ARGSUSED */
-static void
-print_man_body(MAN_ARGS)
-{
+ 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(seq, len);
+ if (c <= 0)
+ continue;
+ break;
+ case ESCAPE_UNDEF:
+ c = *seq;
+ break;
+ case ESCAPE_DEVICE:
+ print_word(h, "html");
+ continue;
+ case ESCAPE_BREAK:
+ breakline = 1;
+ continue;
+ 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) {
+ (void)snprintf(numbuf, sizeof(numbuf), "&#x%.4X;", c);
+ print_word(h, numbuf);
+ } else if (print_escape(h, c) == 0)
+ print_byte(h, c);
+ }
- /* TODO */
+ return nospace;
}
-
static void
-print_encode(const char *p)
+print_href(struct html *h, const char *name, const char *sec, int man)
{
-
- printf("%s", p); /* XXX */
+ struct stat sb;
+ const char *p, *pp;
+ char *filename;
+
+ if (man) {
+ pp = h->base_man1;
+ if (h->base_man2 != NULL) {
+ mandoc_asprintf(&filename, "%s.%s", name, sec);
+ if (stat(filename, &sb) == -1)
+ pp = h->base_man2;
+ free(filename);
+ }
+ } else
+ pp = h->base_includes;
+
+ while ((p = strchr(pp, '%')) != NULL) {
+ print_encode(h, pp, p, 1);
+ if (man && p[1] == 'S') {
+ if (sec == NULL)
+ print_byte(h, '1');
+ else
+ print_encode(h, sec, NULL, 1);
+ } else if ((man && p[1] == 'N') ||
+ (man == 0 && p[1] == 'I'))
+ print_encode(h, name, NULL, 1);
+ else
+ print_encode(h, p, p + 2, 1);
+ pp = p + 2;
+ }
+ if (*pp != '\0')
+ print_encode(h, pp, NULL, 1);
}
-
-static struct tag *
-print_otag(struct html *h, enum htmltag tag,
- int sz, const struct htmlpair *p)
+struct tag *
+print_otag(struct html *h, enum htmltag tag, const char *fmt, ...)
{
- int i;
+ va_list ap;
struct tag *t;
+ const char *attr;
+ char *arg1, *arg2;
+ int style_written, tflags;
+
+ tflags = htmltags[tag].flags;
+
+ /* Flow content is not allowed in phrasing context. */
- if ( ! (HTML_NOSTACK & htmltags[tag].flags)) {
- if (NULL == (t = malloc(sizeof(struct tag))))
- err(EXIT_FAILURE, "malloc");
+ if ((tflags & HTML_INPHRASE) == 0) {
+ for (t = h->tag; t != NULL; t = t->next) {
+ if (t->closed)
+ continue;
+ assert((htmltags[t->tag].flags & HTML_TOPHRASE) == 0);
+ break;
+ }
+
+ /*
+ * Always wrap phrasing elements in a paragraph
+ * unless already contained in some flow container;
+ * never put them directly into a section.
+ */
+
+ } else if (tflags & HTML_TOPHRASE && h->tag->tag == TAG_SECTION)
+ print_otag(h, TAG_P, "c", "Pp");
+
+ /* Push this tag onto the stack of open scopes. */
+
+ if ((tflags & HTML_NOSTACK) == 0) {
+ t = mandoc_malloc(sizeof(struct tag));
t->tag = tag;
- SLIST_INSERT_HEAD(&h->stack, t, entry);
+ t->next = h->tag;
+ t->refcnt = 0;
+ t->closed = 0;
+ h->tag = t;
} else
t = NULL;
- if ( ! (HTML_NOSPACE & h->flags))
- if ( ! (HTML_CLRLINE & htmltags[tag].flags))
- printf(" ");
-
- printf("<%s", htmltags[tag].name);
- for (i = 0; i < sz; i++) {
- printf(" %s=\"", htmlattrs[p[i].key]);
- assert(p->val);
- print_encode(p[i].val);
- printf("\"");
+ if (tflags & HTML_NLBEFORE)
+ print_endline(h);
+ if (h->col == 0)
+ print_indent(h);
+ else if ((h->flags & HTML_NOSPACE) == 0) {
+ if (h->flags & HTML_KEEP)
+ print_word(h, " ");
+ else {
+ if (h->flags & HTML_PREKEEP)
+ h->flags |= HTML_KEEP;
+ print_endword(h);
+ }
}
- printf(">");
- h->flags |= HTML_NOSPACE;
- if (HTML_CLRLINE & htmltags[tag].flags)
- h->flags |= HTML_NEWLINE;
+ if ( ! (h->flags & HTML_NONOSPACE))
+ h->flags &= ~HTML_NOSPACE;
else
- h->flags &= ~HTML_NEWLINE;
-
- return(t);
-}
-
-
-/* ARGSUSED */
-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;
- if (HTML_CLRLINE & htmltags[tag].flags)
- h->flags |= HTML_NEWLINE;
- else
- h->flags &= ~HTML_NEWLINE;
-}
+ /* Print out the tag name and attributes. */
-/* ARGSUSED */
-static void
-print_gen_doctype(struct html *h)
-{
-
- printf("<!DOCTYPE HTML PUBLIC \"%s\" \"%s\">\n", DOCTYPE, DTD);
-}
+ print_byte(h, '<');
+ print_word(h, htmltags[tag].name);
+ va_start(ap, fmt);
-static void
-print_text(struct html *h, const char *p)
-{
+ while (*fmt != '\0' && *fmt != 's') {
+
+ /* Parse attributes and arguments. */
- if (*p && 0 == *(p + 1))
- switch (*p) {
- case('.'):
- /* FALLTHROUGH */
- case(','):
- /* FALLTHROUGH */
- case(';'):
- /* FALLTHROUGH */
- case(':'):
- /* FALLTHROUGH */
- case('?'):
- /* FALLTHROUGH */
- case('!'):
- /* FALLTHROUGH */
- case(')'):
- /* FALLTHROUGH */
- case(']'):
- /* FALLTHROUGH */
- case('}'):
- h->flags |= HTML_NOSPACE;
+ arg1 = va_arg(ap, char *);
+ arg2 = NULL;
+ switch (*fmt++) {
+ case 'c':
+ attr = "class";
+ break;
+ case 'h':
+ attr = "href";
+ break;
+ case 'i':
+ attr = "id";
+ break;
+ case '?':
+ attr = arg1;
+ arg1 = va_arg(ap, char *);
+ break;
+ default:
+ abort();
+ }
+ if (*fmt == 'M')
+ arg2 = va_arg(ap, char *);
+ if (arg1 == NULL)
+ continue;
+
+ /* Print the attributes. */
+
+ print_byte(h, ' ');
+ print_word(h, attr);
+ print_byte(h, '=');
+ print_byte(h, '"');
+ switch (*fmt) {
+ case 'I':
+ print_href(h, arg1, NULL, 0);
+ fmt++;
+ break;
+ case 'M':
+ print_href(h, arg1, arg2, 1);
+ fmt++;
+ break;
+ case 'R':
+ print_byte(h, '#');
+ print_encode(h, arg1, NULL, 1);
+ fmt++;
break;
default:
+ print_encode(h, arg1, NULL, 1);
break;
}
+ print_byte(h, '"');
+ }
- if ( ! (h->flags & HTML_NOSPACE))
- printf(" ");
+ style_written = 0;
+ while (*fmt++ == 's') {
+ arg1 = va_arg(ap, char *);
+ arg2 = va_arg(ap, char *);
+ if (arg2 == NULL)
+ continue;
+ print_byte(h, ' ');
+ if (style_written == 0) {
+ print_word(h, "style=\"");
+ style_written = 1;
+ }
+ print_word(h, arg1);
+ print_byte(h, ':');
+ print_byte(h, ' ');
+ print_word(h, arg2);
+ print_byte(h, ';');
+ }
+ if (style_written)
+ print_byte(h, '"');
- h->flags &= ~HTML_NOSPACE;
- h->flags &= ~HTML_NEWLINE;
+ va_end(ap);
- if (p)
- print_encode(p);
+ /* Accommodate for "well-formed" singleton escaping. */
- if (*p && 0 == *(p + 1))
- switch (*p) {
- case('('):
- /* FALLTHROUGH */
- case('['):
- /* FALLTHROUGH */
- case('{'):
- h->flags |= HTML_NOSPACE;
- break;
- default:
- break;
- }
-}
+ if (htmltags[tag].flags & HTML_NOSTACK)
+ print_byte(h, '/');
+ print_byte(h, '>');
-static void
-print_tagq(struct html *h, const struct tag *until)
-{
- struct tag *tag;
+ if (tflags & HTML_NLBEGIN)
+ print_endline(h);
+ else
+ h->flags |= HTML_NOSPACE;
- while ( ! SLIST_EMPTY(&h->stack)) {
- tag = SLIST_FIRST(&h->stack);
- print_ctag(h, tag->tag);
- SLIST_REMOVE_HEAD(&h->stack, entry);
- free(tag);
- if (until && tag == until)
- return;
- }
-}
+ if (tflags & HTML_INDENT)
+ h->indent++;
+ if (tflags & HTML_NOINDENT)
+ h->noindent++;
+ return t;
+}
static void
-print_stagq(struct html *h, const struct tag *suntil)
+print_ctag(struct html *h, struct tag *tag)
{
- struct tag *tag;
-
- while ( ! SLIST_EMPTY(&h->stack)) {
- tag = SLIST_FIRST(&h->stack);
- if (suntil && tag == suntil)
- return;
- print_ctag(h, tag->tag);
- SLIST_REMOVE_HEAD(&h->stack, entry);
+ int tflags;
+
+ if (tag->closed == 0) {
+ tag->closed = 1;
+ if (tag == h->metaf)
+ h->metaf = NULL;
+ if (tag == h->tblt)
+ h->tblt = NULL;
+
+ tflags = htmltags[tag->tag].flags;
+ if (tflags & HTML_INDENT)
+ h->indent--;
+ if (tflags & HTML_NOINDENT)
+ h->noindent--;
+ if (tflags & HTML_NLEND)
+ print_endline(h);
+ print_indent(h);
+ print_byte(h, '<');
+ print_byte(h, '/');
+ print_word(h, htmltags[tag->tag].name);
+ print_byte(h, '>');
+ if (tflags & HTML_NLAFTER)
+ print_endline(h);
+ }
+ if (tag->refcnt == 0) {
+ h->tag = tag->next;
free(tag);
}
}
-
-/* ARGSUSED */
-static int
-mdoc_root_pre(MDOC_ARGS)
+void
+print_gen_decls(struct html *h)
{
- struct htmlpair tag;
-
- tag.key = ATTR_CLASS;
- tag.val = "body";
-
- print_otag(h, TAG_DIV, 1, &tag);
- return(1);
+ print_word(h, "<!DOCTYPE html>");
+ print_endline(h);
}
-
-/* ARGSUSED */
-static int
-mdoc_ss_pre(MDOC_ARGS)
+void
+print_gen_comment(struct html *h, struct roff_node *n)
{
-
- if (MDOC_BODY == n->type)
- print_otag(h, TAG_P, 0, NULL);
- if (MDOC_HEAD == n->type)
- print_otag(h, TAG_H2, 0, NULL);
- return(1);
+ int wantblank;
+
+ print_word(h, "<!-- This is an automatically generated file."
+ " Do not edit.");
+ h->indent = 1;
+ wantblank = 0;
+ while (n != NULL && n->type == ROFFT_COMMENT) {
+ if (strstr(n->string, "-->") == NULL &&
+ (wantblank || *n->string != '\0')) {
+ print_endline(h);
+ print_indent(h);
+ print_word(h, n->string);
+ wantblank = *n->string != '\0';
+ }
+ n = n->next;
+ }
+ if (wantblank)
+ print_endline(h);
+ print_word(h, " -->");
+ print_endline(h);
+ h->indent = 0;
}
-
-/* ARGSUSED */
-static int
-mdoc_fl_pre(MDOC_ARGS)
+void
+print_text(struct html *h, const char *word)
{
- struct htmlpair tag;
-
- tag.key = ATTR_CLASS;
- tag.val = "flag";
-
- print_otag(h, TAG_SPAN, 1, &tag);
- print_text(h, "\\-");
- h->flags |= HTML_NOSPACE;
- return(1);
-}
+ /*
+ * Always wrap text in a paragraph unless already contained in
+ * some flow container; never put it directly into a section.
+ */
+
+ if (h->tag->tag == TAG_SECTION)
+ print_otag(h, TAG_P, "c", "Pp");
+
+ /* Output whitespace before this text? */
+
+ if (h->col && (h->flags & HTML_NOSPACE) == 0) {
+ if ( ! (HTML_KEEP & h->flags)) {
+ if (HTML_PREKEEP & h->flags)
+ h->flags |= HTML_KEEP;
+ print_endword(h);
+ } else
+ print_word(h, " ");
+ }
+ /*
+ * Print the text, optionally surrounded by HTML whitespace,
+ * optionally manually switching fonts before and after.
+ */
+
+ assert(h->metaf == NULL);
+ print_metaf(h);
+ print_indent(h);
+ if ( ! print_encode(h, word, NULL, 0)) {
+ if ( ! (h->flags & HTML_NONOSPACE))
+ h->flags &= ~HTML_NOSPACE;
+ h->flags &= ~HTML_NONEWLINE;
+ } else
+ h->flags |= HTML_NOSPACE | HTML_NONEWLINE;
-/* ARGSUSED */
-static int
-mdoc_pp_pre(MDOC_ARGS)
-{
+ if (h->metaf != NULL) {
+ print_tagq(h, h->metaf);
+ h->metaf = NULL;
+ }
- print_otag(h, TAG_BR, 0, NULL);
- print_otag(h, TAG_BR, 0, NULL);
- return(0);
+ h->flags &= ~HTML_IGNDELIM;
}
-
-/* ARGSUSED */
-static int
-mdoc_nd_pre(MDOC_ARGS)
+void
+print_tagq(struct html *h, const struct tag *until)
{
+ struct tag *this, *next;
- if (MDOC_BODY == n->type)
- print_text(h, "\\(en");
- return(1);
+ for (this = h->tag; this != NULL; this = next) {
+ next = this == until ? NULL : this->next;
+ print_ctag(h, this);
+ }
}
-
-/* ARGSUSED */
-static int
-mdoc_op_pre(MDOC_ARGS)
+/*
+ * Close out all open elements up to but excluding suntil.
+ * Note that a paragraph just inside stays open together with it
+ * because paragraphs include subsequent phrasing content.
+ */
+void
+print_stagq(struct html *h, const struct tag *suntil)
{
+ struct tag *this, *next;
- if (MDOC_BODY == n->type) {
- print_text(h, "\\(lB");
- h->flags |= HTML_NOSPACE;
+ for (this = h->tag; this != NULL; this = next) {
+ next = this->next;
+ if (this == suntil || (next == suntil &&
+ (this->tag == TAG_P || this->tag == TAG_PRE)))
+ break;
+ print_ctag(h, this);
}
- return(1);
}
-/* ARGSUSED */
+/***********************************************************************
+ * Low level output functions.
+ * They implement line breaking using a short static buffer.
+ ***********************************************************************/
+
+/*
+ * Buffer one HTML output byte.
+ * If the buffer is full, flush and deactivate it and start a new line.
+ * If the buffer is inactive, print directly.
+ */
static void
-mdoc_op_post(MDOC_ARGS)
+print_byte(struct html *h, char c)
{
-
- if (MDOC_BODY != n->type)
+ if ((h->flags & HTML_BUFFER) == 0) {
+ putchar(c);
+ h->col++;
return;
- h->flags |= HTML_NOSPACE;
- print_text(h, "\\(rB");
-}
-
-
-static int
-mdoc_nm_pre(MDOC_ARGS)
-{
- struct htmlpair class;
-
- if ( ! (HTML_NEWLINE & h->flags))
- if (SEC_SYNOPSIS == n->sec)
- print_otag(h, TAG_BR, 0, NULL);
-
- class.key = ATTR_CLASS;
- class.val = "name";
+ }
- print_otag(h, TAG_SPAN, 1, &class);
- if (NULL == n->child)
- print_text(h, m->name);
+ if (h->col + h->bufcol < sizeof(h->buf)) {
+ h->buf[h->bufcol++] = c;
+ return;
+ }
- return(1);
+ putchar('\n');
+ h->col = 0;
+ print_indent(h);
+ putchar(' ');
+ putchar(' ');
+ fwrite(h->buf, h->bufcol, 1, stdout);
+ putchar(c);
+ h->col = (h->indent + 1) * 2 + h->bufcol + 1;
+ h->bufcol = 0;
+ h->flags &= ~HTML_BUFFER;
}
-
-/* ARGSUSED */
-static int
-mdoc_sh_pre(MDOC_ARGS)
+/*
+ * If something was printed on the current output line, end it.
+ * Not to be called right after print_indent().
+ */
+void
+print_endline(struct html *h)
{
+ if (h->col == 0)
+ return;
- if (MDOC_BODY == n->type)
- print_otag(h, TAG_P, 0, NULL);
- if (MDOC_HEAD == n->type)
- print_otag(h, TAG_H1, 0, NULL);
- return(1);
+ if (h->bufcol) {
+ putchar(' ');
+ fwrite(h->buf, h->bufcol, 1, stdout);
+ h->bufcol = 0;
+ }
+ putchar('\n');
+ h->col = 0;
+ h->flags |= HTML_NOSPACE;
+ h->flags &= ~HTML_BUFFER;
}
-
-/* ARGSUSED */
-static int
-mdoc_xr_pre(MDOC_ARGS)
+/*
+ * Flush the HTML output buffer.
+ * If it is inactive, activate it.
+ */
+static void
+print_endword(struct html *h)
{
- struct htmlpair tag;
-
- tag.key = ATTR_HREF;
- tag.val = "#"; /* TODO */
-
- print_otag(h, TAG_A, 1, &tag);
-
- n = n->child;
- print_text(h, n->string);
- if (NULL == (n = n->next))
- return(0);
-
- h->flags |= HTML_NOSPACE;
- print_text(h, "(");
- h->flags |= HTML_NOSPACE;
- print_text(h, n->string);
- h->flags |= HTML_NOSPACE;
- print_text(h, ")");
+ if (h->noindent) {
+ print_byte(h, ' ');
+ return;
+ }
- return(0);
+ if ((h->flags & HTML_BUFFER) == 0) {
+ h->col++;
+ h->flags |= HTML_BUFFER;
+ } else if (h->bufcol) {
+ putchar(' ');
+ fwrite(h->buf, h->bufcol, 1, stdout);
+ h->col += h->bufcol + 1;
+ }
+ h->bufcol = 0;
}
-
-/* ARGSUSED */
-static int
-mdoc_ns_pre(MDOC_ARGS)
+/*
+ * If at the beginning of a new output line,
+ * perform indentation and mark the line as containing output.
+ * Make sure to really produce some output right afterwards,
+ * but do not use print_otag() for producing it.
+ */
+static void
+print_indent(struct html *h)
{
+ size_t i;
- h->flags |= HTML_NOSPACE;
- return(1);
-}
+ if (h->col || h->noindent)
+ return;
+ h->col = h->indent * 2;
+ for (i = 0; i < h->col; i++)
+ putchar(' ');
+}
-/* ARGSUSED */
-static int
-mdoc_ar_pre(MDOC_ARGS)
+/*
+ * Print or buffer some characters
+ * depending on the current HTML output buffer state.
+ */
+static void
+print_word(struct html *h, const char *cp)
{
- struct htmlpair tag;
-
- tag.key = ATTR_CLASS;
- tag.val = "arg";
-
- print_otag(h, TAG_SPAN, 1, &tag);
- return(1);
+ while (*cp != '\0')
+ print_byte(h, *cp++);
}
git.ckatri.com / mandoc.git / blobdiff