]> git.cameronkatri.com Git - mandoc.git/blobdiff - html.c
Drastically fix -T[x]html's handling of font-escape mode changes (i.e.,
[mandoc.git] / html.c
diff --git a/html.c b/html.c
index 6f0d318a0ef3d3bfe397c66c7c7c84e5ced79fd5..df7940baba81e9edb827cabd76510d4a25c59bb6 100644 (file)
--- a/html.c
+++ b/html.c
@@ -1,6 +1,6 @@
-/*     $Id: html.c,v 1.101 2010/06/07 10:52:44 kristaps Exp $ */
+/*     $Id: html.c,v 1.122 2010/12/24 00:46:49 kristaps Exp $ */
 /*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -57,38 +57,44 @@ static      const struct htmldata htmltags[TAG_MAX] = {
        {"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 */
-};
-
-static const char      *const htmlfonts[HTMLFONT_MAX] = {
-       "roman",
-       "bold",
-       "italic"
+       {"dl",          HTML_CLRLINE}, /* TAG_DL */
+       {"dt",          HTML_CLRLINE}, /* TAG_DT */
+       {"dd",          HTML_CLRLINE}, /* TAG_DD */
+       {"blockquote",  HTML_CLRLINE}, /* TAG_BLOCKQUOTE */
+       {"p",           HTML_CLRLINE | HTML_NOSTACK | HTML_AUTOCLOSE}, /* TAG_P */
+       {"pre",         HTML_CLRLINE }, /* TAG_PRE */
+       {"b",           0 }, /* TAG_B */
+       {"i",           0 }, /* TAG_I */
+       {"u",           0 }, /* TAG_U */
+       {"code",        0 }, /* TAG_CODE */
+       {"small",       0 }, /* TAG_SMALL */
 };
 
 static const char      *const htmlattrs[ATTR_MAX] = {
-       "http-equiv",
-       "content",
-       "name",
-       "rel",
-       "href",
-       "type",
-       "media",
-       "class",
-       "style",
-       "width",
-       "valign",
-       "target",
-       "id",
-       "summary",
+       "http-equiv", /* ATTR_HTTPEQUIV */
+       "content", /* ATTR_CONTENT */
+       "name", /* ATTR_NAME */
+       "rel", /* ATTR_REL */
+       "href", /* ATTR_HREF */
+       "type", /* ATTR_TYPE */
+       "media", /* ATTR_MEDIA */
+       "class", /* ATTR_CLASS */
+       "style", /* ATTR_STYLE */
+       "width", /* ATTR_WIDTH */
+       "id", /* ATTR_ID */
+       "summary", /* ATTR_SUMMARY */
+       "align", /* ATTR_ALIGN */
 };
 
-static void              print_spec(struct html *, const char *, size_t);
+static void              print_spec(struct html *, enum roffdeco,
+                               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 *);
@@ -115,12 +121,11 @@ ml_alloc(char *outopts, enum htmltype type)
        h = calloc(1, sizeof(struct html));
        if (NULL == h) {
                perror(NULL);
-               exit(EXIT_FAILURE);
+               exit((int)MANDOCLEVEL_SYSERR);
        }
 
        h->type = type;
        h->tags.head = NULL;
-       h->ords.head = NULL;
        h->symtab = chars_init(CHARS_HTML);
 
        while (outopts && *outopts)
@@ -161,16 +166,10 @@ void
 html_free(void *p)
 {
        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);
-       }
-
        while ((tag = h->tags.head) != NULL) {
                h->tags.head = tag->next;       
                free(tag);
@@ -215,49 +214,41 @@ print_gen_head(struct html *h)
 
 
 static void
-print_spec(struct html *h, const char *p, size_t len)
+print_spec(struct html *h, enum roffdeco d, const char *p, size_t len)
 {
+       int              cp;
        const char      *rhs;
        size_t           sz;
 
-       rhs = chars_a2ascii(h->symtab, p, len, &sz);
-
-       if (NULL == rhs) 
+       if ((cp = chars_spec2cp(h->symtab, p, len)) > 0) {
+               printf("&#%d;", cp);
+               return;
+       } else if (-1 == cp && DECO_SSPECIAL == d) {
+               fwrite(p, 1, len, stdout);
                return;
-       fwrite(rhs, 1, sz, stdout);
+       } else if (-1 == cp)
+               return;
+
+       if (NULL != (rhs = chars_spec2str(h->symtab, p, len, &sz)))
+               fwrite(rhs, 1, sz, stdout);
 }
 
 
 static void
 print_res(struct html *h, const char *p, size_t len)
 {
+       int              cp;
        const char      *rhs;
        size_t           sz;
 
-       rhs = chars_a2res(h->symtab, p, len, &sz);
-
-       if (NULL == rhs)
+       if ((cp = chars_res2cp(h->symtab, p, len)) > 0) {
+               printf("&#%d;", cp);
+               return;
+       } else if (-1 == cp)
                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;
-
-       /* FIXME: DECO_ROMAN should just close out preexisting. */
-
-       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);
+       if (NULL != (rhs = chars_res2str(h->symtab, p, len, &sz)))
+               fwrite(rhs, 1, sz, stdout);
 }
 
 
@@ -284,7 +275,18 @@ print_metaf(struct html *h, enum roffdeco deco)
                /* NOTREACHED */
        }
 
-       (void)print_ofont(h, font);
+       if (h->metaf) {
+               print_tagq(h, h->metaf);
+               h->metaf = NULL;
+       }
+
+       h->metal = h->metac;
+       h->metac = font;
+
+       if (HTMLFONT_NONE != font)
+               h->metaf = HTMLFONT_BOLD == font ?
+                       print_otag(h, TAG_B, 0, NULL) :
+                       print_otag(h, TAG_I, 0, NULL);
 }
 
 
@@ -334,8 +336,10 @@ print_encode(struct html *h, const char *p, int norecurse)
                case (DECO_RESERVED):
                        print_res(h, seq, sz);
                        break;
+               case (DECO_SSPECIAL):
+                       /* FALLTHROUGH */
                case (DECO_SPECIAL):
-                       print_spec(h, seq, sz);
+                       print_spec(h, deco, seq, sz);
                        break;
                case (DECO_PREVIOUS):
                        /* FALLTHROUGH */
@@ -384,7 +388,7 @@ print_otag(struct html *h, enum htmltag tag,
                t = malloc(sizeof(struct tag));
                if (NULL == t) {
                        perror(NULL);
-                       exit(EXIT_FAILURE);
+                       exit((int)MANDOCLEVEL_SYSERR);
                }
                t->tag = tag;
                t->next = h->tags.head;
@@ -393,8 +397,20 @@ print_otag(struct html *h, enum htmltag tag,
                t = NULL;
 
        if ( ! (HTML_NOSPACE & h->flags))
-               if ( ! (HTML_CLRLINE & htmltags[tag].flags))
-                       putchar(' ');
+               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("&#160;");
+               }
+
+       if ( ! (h->flags & HTML_NONOSPACE))
+               h->flags &= ~HTML_NOSPACE;
+       else
+               h->flags |= HTML_NOSPACE;
 
        /* Print out the tag name and attributes. */
 
@@ -424,6 +440,10 @@ print_otag(struct html *h, enum htmltag tag,
        putchar('>');
 
        h->flags |= HTML_NOSPACE;
+
+       if ((HTML_AUTOCLOSE | HTML_CLRLINE) & htmltags[tag].flags)
+               putchar('\n');
+
        return(t);
 }
 
@@ -454,7 +474,7 @@ print_xmltype(struct html *h)
 {
 
        if (HTML_XHTML_1_0_STRICT == h->type)
-               printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
+               puts("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
 }
 
 
@@ -484,11 +504,11 @@ print_doctype(struct html *h)
 
 
 void
-print_text(struct html *h, const char *p)
+print_text(struct html *h, const char *word)
 {
 
-       if (*p && 0 == *(p + 1))
-               switch (*p) {
+       if (word[0] && '\0' == word[1])
+               switch (word[0]) {
                case('.'):
                        /* FALLTHROUGH */
                case(','):
@@ -511,19 +531,40 @@ print_text(struct html *h, const char *p)
                        break;
                }
 
-       if ( ! (h->flags & HTML_NOSPACE))
-               putchar(' ');
+       if ( ! (HTML_NOSPACE & h->flags)) {
+               /* Manage keeps! */
+               if ( ! (HTML_KEEP & h->flags)) {
+                       if (HTML_PREKEEP & h->flags)
+                               h->flags |= HTML_KEEP;
+                       putchar(' ');
+               } else
+                       printf("&#160;");
+       }
+
+       assert(NULL == h->metaf);
+       if (HTMLFONT_NONE != h->metac)
+               h->metaf = HTMLFONT_BOLD == h->metac ?
+                       print_otag(h, TAG_B, 0, NULL) :
+                       print_otag(h, TAG_I, 0, NULL);
 
-       assert(p);
-       if ( ! print_encode(h, p, 0))
-               h->flags &= ~HTML_NOSPACE;
+       assert(word);
+       if ( ! print_encode(h, word, 0))
+               if ( ! (h->flags & HTML_NONOSPACE))
+                       h->flags &= ~HTML_NOSPACE;
+
+       if (h->metaf) {
+               print_tagq(h, h->metaf);
+               h->metaf = NULL;
+       }
+
+       h->flags &= ~HTML_IGNDELIM;
 
        /* 
         * 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) {
+       if (word[0] && '\0' == word[1])
+               switch (word[0]) {
                case('('):
                        /* FALLTHROUGH */
                case('['):
@@ -718,11 +759,11 @@ bufcat_su(struct html *h, const char *p, const struct roffsu *su)
                break;
        }
 
-       if (su->pt)
-               buffmt(h, "%s: %f%s;", p, v, u);
-       else
-               /* LINTED */
-               buffmt(h, "%s: %d%s;", p, (int)v, u);
+       /* 
+        * XXX: the CSS spec isn't clear as to which types accept
+        * integer or real numbers, so we just make them all decimals.
+        */
+       buffmt(h, "%s: %.2f%s;", p, v, u);
 }