]> git.cameronkatri.com Git - mandoc.git/blobdiff - html.c
mention Solaris BUGS in regress.pl(1)
[mandoc.git] / html.c
diff --git a/html.c b/html.c
index db5c471bb29d1b4d37f36052a71d86cf9ed63f1a..1302972a4e13a65bab4314d53bb548c7f4521475 100644 (file)
--- a/html.c
+++ b/html.c
@@ -1,7 +1,7 @@
-/*     $Id: html.c,v 1.244 2018/11/26 01:38:23 schwarze Exp $ */
+/*     $Id: html.c,v 1.254 2019/03/03 13:02:11 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2011-2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
+ * 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
@@ -63,6 +63,7 @@ static        const struct htmldata htmltags[TAG_MAX] = {
        {"title",       HTML_NLAROUND},
        {"div",         HTML_NLAROUND},
        {"div",         0},
+       {"section",     HTML_NLALL},
        {"h1",          HTML_NLAROUND},
        {"h2",          HTML_NLAROUND},
        {"span",        0},
@@ -78,6 +79,7 @@ static        const struct htmldata htmltags[TAG_MAX] = {
        {"dl",          HTML_NLALL | HTML_INDENT},
        {"dt",          HTML_NLAROUND},
        {"dd",          HTML_NLAROUND | HTML_INDENT},
+       {"p",           HTML_NLAROUND | HTML_INDENT},
        {"pre",         HTML_NLALL | HTML_NOINDENT},
        {"var",         0},
        {"cite",        0},
@@ -108,6 +110,7 @@ static      const struct htmldata htmltags[TAG_MAX] = {
 /* Avoid duplicate HTML id= attributes. */
 static struct ohash     id_unique;
 
+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 *);
@@ -117,7 +120,6 @@ 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 *, enum mandoc_esc);
 
 
 void *
@@ -144,21 +146,17 @@ html_alloc(const struct manoutput *outopts)
        return h;
 }
 
-void
-html_free(void *p)
+static void
+html_reset_internal(struct html *h)
 {
        struct tag      *tag;
-       struct html     *h;
        char            *cp;
        unsigned int     slot;
 
-       h = (struct html *)p;
        while ((tag = h->tag) != NULL) {
                h->tag = tag->next;
                free(tag);
        }
-       free(h);
-
        cp = ohash_first(&id_unique, &slot);
        while (cp != NULL) {
                free(cp);
@@ -167,6 +165,20 @@ html_free(void *p)
        ohash_delete(&id_unique);
 }
 
+void
+html_reset(void *p)
+{
+       html_reset_internal(p);
+       mandoc_ohash_init(&id_unique, 4, 0);
+}
+
+void
+html_free(void *p)
+{
+       html_reset_internal(p);
+       free(p);
+}
+
 void
 print_gen_head(struct html *h)
 {
@@ -210,7 +222,7 @@ print_gen_head(struct html *h)
        print_tagq(h, t);
 }
 
-static void
+void
 print_metaf(struct html *h, enum mandoc_esc deco)
 {
        enum htmlfont    font;
@@ -236,7 +248,7 @@ print_metaf(struct html *h, enum mandoc_esc deco)
                font = HTMLFONT_NONE;
                break;
        default:
-               abort();
+               return;
        }
 
        if (h->metaf) {
@@ -266,6 +278,61 @@ print_metaf(struct html *h, enum mandoc_esc deco)
        }
 }
 
+void
+html_close_paragraph(struct html *h)
+{
+       struct tag      *t;
+
+       for (t = h->tag; t != NULL && t->closed == 0; t = t->next) {
+               switch(t->tag) {
+               case TAG_P:
+               case TAG_PRE:
+                       print_tagq(h, t);
+                       break;
+               case TAG_A:
+                       print_tagq(h, t);
+                       continue;
+               default:
+                       continue;
+               }
+               break;
+       }
+}
+
+/*
+ * 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)
+{
+       struct tag      *t;
+       enum roff_tok    had;
+
+       for (t = h->tag; t != NULL; t = t->next)
+               if (t->tag == TAG_PRE)
+                       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;
+}
+
 char *
 html_make_id(const struct roff_node *n, int unique)
 {
@@ -357,7 +424,6 @@ static int
 print_encode(struct html *h, const char *p, const char *pend, int norecurse)
 {
        char             numbuf[16];
-       struct tag      *t;
        const char      *seq;
        size_t           sz;
        int              c, len, breakline, nospace;
@@ -383,9 +449,7 @@ print_encode(struct html *h, const char *p, const char *pend, int norecurse)
 
                if (breakline &&
                    (p >= pend || *p == ' ' || *p == ASCII_NBRSP)) {
-                       t = print_otag(h, TAG_DIV, "");
-                       print_text(h, "\\~");
-                       print_tagq(h, t);
+                       print_otag(h, TAG_BR, "");
                        breakline = 0;
                        while (p < pend && (*p == ' ' || *p == ASCII_NBRSP))
                                p++;
@@ -405,9 +469,6 @@ print_encode(struct html *h, const char *p, const char *pend, int norecurse)
                        continue;
 
                esc = mandoc_escape(&p, &seq, &len);
-               if (ESCAPE_ERROR == esc)
-                       break;
-
                switch (esc) {
                case ESCAPE_FONT:
                case ESCAPE_FONTPREV:
@@ -425,6 +486,8 @@ print_encode(struct html *h, const char *p, const char *pend, int norecurse)
                case ESCAPE_SKIPCHAR:
                        h->flags |= HTML_SKIPCHAR;
                        continue;
+               case ESCAPE_ERROR:
+                       continue;
                default:
                        break;
                }
@@ -449,6 +512,9 @@ print_encode(struct html *h, const char *p, const char *pend, int norecurse)
                        if (c <= 0)
                                continue;
                        break;
+               case ESCAPE_UNDEF:
+                       c = *seq;
+                       break;
                case ESCAPE_DEVICE:
                        print_word(h, "html");
                        continue;
@@ -533,6 +599,8 @@ print_otag(struct html *h, enum htmltag tag, const char *fmt, ...)
                t = mandoc_malloc(sizeof(struct tag));
                t->tag = tag;
                t->next = h->tag;
+               t->refcnt = 0;
+               t->closed = 0;
                h->tag = t;
        } else
                t = NULL;
@@ -611,12 +679,6 @@ print_otag(struct html *h, enum htmltag tag, const char *fmt, ...)
                        print_encode(h, arg1, NULL, 1);
                        fmt++;
                        break;
-               case 'T':
-                       print_encode(h, arg1, NULL, 1);
-                       print_word(h, "\" title=\"");
-                       print_encode(h, arg1, NULL, 1);
-                       fmt++;
-                       break;
                default:
                        print_encode(h, arg1, NULL, 1);
                        break;
@@ -671,33 +733,32 @@ print_ctag(struct html *h, struct tag *tag)
 {
        int      tflags;
 
-       /*
-        * 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;
-
-       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);
-
-       h->tag = tag->next;
-       free(tag);
+       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);
+       }
 }
 
 void
@@ -784,36 +845,33 @@ print_text(struct html *h, const char *word)
 void
 print_tagq(struct html *h, const struct tag *until)
 {
-       struct tag      *tag;
+       struct tag      *this, *next;
 
-       while ((tag = h->tag) != NULL) {
-               print_ctag(h, tag);
-               if (until && tag == until)
-                       return;
+       for (this = h->tag; this != NULL; this = next) {
+               next = this == until ? NULL : this->next;
+               print_ctag(h, this);
        }
 }
 
+/*
+ * 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      *tag;
+       struct tag      *this, *next;
 
-       while ((tag = h->tag) != NULL) {
-               if (suntil && tag == suntil)
-                       return;
-               print_ctag(h, tag);
+       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);
        }
 }
 
-void
-print_paragraph(struct html *h)
-{
-       struct tag      *t;
-
-       t = print_otag(h, TAG_DIV, "c", "Pp");
-       print_tagq(h, t);
-}
-
 
 /***********************************************************************
  * Low level output functions.