]> git.cameronkatri.com Git - mandoc.git/blobdiff - html.c
git.ckatri.com / mandoc.git / blobdiff
? search:
summary | shortlog | log | commit | commitdiff | tree
raw | inline | side by side
In -Tman .Bl -compact, skip the blank line only before the first item
[mandoc.git] / html.c
diff --git a/html.c b/html.c
index 8fb81c518ca49306a61d379df7ec1a0783050304..115b79a0697a208e18436182407e54cc2be2ef58 100644 (file)
--- a/html.c
+++ b/html.c
@@ -1,7 +1,7 @@
-/*     $Id: html.c,v 1.138 2011/05/14 16:28:23 kristaps Exp $ */
+/*     $Id: html.c,v 1.151 2012/05/31 22:29:13 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011, 2012 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
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -94,30 +94,38 @@ static      const char      *const htmlattrs[ATTR_MAX] = {
        "colspan", /* ATTR_COLSPAN */
 };
 
        "colspan", /* ATTR_COLSPAN */
 };
 
-static void              print_num(struct html *, const char *, size_t);
-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 mandoc_esc);
-static void              print_attr(struct html *, 
-                               const char *, const char *);
-static void             *ml_alloc(char *, enum htmltype);
+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 *, enum htmltag);
+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 void     *ml_alloc(char *, enum htmltype);
 
 static void *
 ml_alloc(char *outopts, enum htmltype type)
 {
        struct html     *h;
 
 static void *
 ml_alloc(char *outopts, enum htmltype type)
 {
        struct html     *h;
-       const char      *toks[4];
+       const char      *toks[5];
        char            *v;
 
        toks[0] = "style";
        toks[1] = "man";
        toks[2] = "includes";
        char            *v;
 
        toks[0] = "style";
        toks[1] = "man";
        toks[2] = "includes";
-       toks[3] = NULL;
+       toks[3] = "fragment";
+       toks[4] = NULL;
 
        h = mandoc_calloc(1, sizeof(struct html));
 
 
        h = mandoc_calloc(1, sizeof(struct html));
 
@@ -136,6 +144,9 @@ ml_alloc(char *outopts, enum htmltype type)
                case (2):
                        h->base_includes = v;
                        break;
                case (2):
                        h->base_includes = v;
                        break;
+               case (3):
+                       h->oflags |= HTML_FRAGMENT;
+                       break;
                default:
                        break;
                }
                default:
                        break;
                }
@@ -209,55 +220,6 @@ print_gen_head(struct html *h)
        }
 }
 
        }
 }
 
-/* ARGSUSED */
-static void
-print_num(struct html *h, const char *p, size_t len)
-{
-       char             c;
-
-       if ('\0' != (c = mchars_num2char(p, len)))
-               putchar((int)c);
-}
-
-static void
-print_spec(struct html *h, const char *p, size_t len)
-{
-       int              cp;
-       const char      *rhs;
-       size_t           sz;
-
-       if ((cp = mchars_spec2cp(h->symtab, p, len)) > 0) {
-               printf("&#%d;", cp);
-               return;
-       } else if (-1 == cp && 1 == len) {
-               fwrite(p, 1, len, stdout);
-               return;
-       } else if (-1 == cp)
-               return;
-
-       if (NULL != (rhs = mchars_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;
-
-       if ((cp = mchars_res2cp(h->symtab, p, len)) > 0) {
-               printf("&#%d;", cp);
-               return;
-       } else if (-1 == cp)
-               return;
-
-       if (NULL != (rhs = mchars_res2str(h->symtab, p, len, &sz)))
-               fwrite(rhs, 1, sz, stdout);
-}
-
-
 static void
 print_metaf(struct html *h, enum mandoc_esc deco)
 {
 static void
 print_metaf(struct html *h, enum mandoc_esc deco)
 {
@@ -273,6 +235,8 @@ print_metaf(struct html *h, enum mandoc_esc deco)
        case (ESCAPE_FONTBOLD):
                font = HTMLFONT_BOLD;
                break;
        case (ESCAPE_FONTBOLD):
                font = HTMLFONT_BOLD;
                break;
+       case (ESCAPE_FONT):
+               /* FALLTHROUGH */
        case (ESCAPE_FONTROMAN):
                font = HTMLFONT_NONE;
                break;
        case (ESCAPE_FONTROMAN):
                font = HTMLFONT_NONE;
                break;
@@ -298,8 +262,8 @@ print_metaf(struct html *h, enum mandoc_esc deco)
 int
 html_strlen(const char *cp)
 {
 int
 html_strlen(const char *cp)
 {
-       int              ssz, sz;
-       const char      *seq, *p;
+       size_t           rsz;
+       int              skip, sz;
 
        /*
         * Account for escaped sequences within string length
 
        /*
         * Account for escaped sequences within string length
@@ -310,32 +274,48 @@ html_strlen(const char *cp)
         */
 
        sz = 0;
         */
 
        sz = 0;
-       while (NULL != (p = strchr(cp, '\\'))) {
-               sz += (int)(p - cp);
-               ++cp;
-               switch (mandoc_escape(&cp, &seq, &ssz)) {
+       skip = 0;
+       while (1) {
+               rsz = strcspn(cp, "\\");
+               if (rsz) {
+                       cp += rsz;
+                       if (skip) {
+                               skip = 0;
+                               rsz--;
+                       }
+                       sz += rsz;
+               }
+               if ('\0' == *cp)
+                       break;
+               cp++;
+               switch (mandoc_escape(&cp, NULL, NULL)) {
                case (ESCAPE_ERROR):
                        return(sz);
                case (ESCAPE_ERROR):
                        return(sz);
-               case (ESCAPE_PREDEF):
-                       sz++;
-                       break;
+               case (ESCAPE_UNICODE):
+                       /* FALLTHROUGH */
+               case (ESCAPE_NUMBERED):
+                       /* FALLTHROUGH */
                case (ESCAPE_SPECIAL):
                case (ESCAPE_SPECIAL):
-                       sz++;
+                       if (skip)
+                               skip = 0;
+                       else
+                               sz++;
+                       break;
+               case (ESCAPE_SKIPCHAR):
+                       skip = 1;
                        break;
                default:
                        break;
                }
        }
                        break;
                default:
                        break;
                }
        }
-
-       assert(sz >= 0);
-       return(sz + strlen(cp));
+       return(sz);
 }
 
 static int
 print_encode(struct html *h, const char *p, int norecurse)
 {
        size_t           sz;
 }
 
 static int
 print_encode(struct html *h, const char *p, int norecurse)
 {
        size_t           sz;
-       int              len, nospace;
+       int              c, len, nospace;
        const char      *seq;
        enum mandoc_esc  esc;
        static const char rejs[6] = { '\\', '<', '>', '&', ASCII_HYPH, '\0' };
        const char      *seq;
        enum mandoc_esc  esc;
        static const char rejs[6] = { '\\', '<', '>', '&', ASCII_HYPH, '\0' };
@@ -343,6 +323,12 @@ print_encode(struct html *h, const char *p, int norecurse)
        nospace = 0;
 
        while ('\0' != *p) {
        nospace = 0;
 
        while ('\0' != *p) {
+               if (HTML_SKIPCHAR & h->flags && '\\' != *p) {
+                       h->flags &= ~HTML_SKIPCHAR;
+                       p++;
+                       continue;
+               }
+
                sz = strcspn(p, rejs);
 
                fwrite(p, 1, sz, stdout);
                sz = strcspn(p, rejs);
 
                fwrite(p, 1, sz, stdout);
@@ -373,15 +359,8 @@ print_encode(struct html *h, const char *p, int norecurse)
                        break;
 
                switch (esc) {
                        break;
 
                switch (esc) {
-               case (ESCAPE_NUMBERED):
-                       print_num(h, seq, len);
-                       break;
-               case (ESCAPE_PREDEF):
-                       print_res(h, seq, len);
-                       break;
-               case (ESCAPE_SPECIAL):
-                       print_spec(h, seq, len);
-                       break;
+               case (ESCAPE_FONT):
+                       /* FALLTHROUGH */
                case (ESCAPE_FONTPREV):
                        /* FALLTHROUGH */
                case (ESCAPE_FONTBOLD):
                case (ESCAPE_FONTPREV):
                        /* FALLTHROUGH */
                case (ESCAPE_FONTBOLD):
@@ -389,9 +368,39 @@ print_encode(struct html *h, const char *p, int norecurse)
                case (ESCAPE_FONTITALIC):
                        /* FALLTHROUGH */
                case (ESCAPE_FONTROMAN):
                case (ESCAPE_FONTITALIC):
                        /* FALLTHROUGH */
                case (ESCAPE_FONTROMAN):
-                       if (norecurse)
-                               break;
-                       print_metaf(h, esc);
+                       if (0 == norecurse)
+                               print_metaf(h, esc);
+                       continue;
+               case (ESCAPE_SKIPCHAR):
+                       h->flags |= HTML_SKIPCHAR;
+                       continue;
+               default:
+                       break;
+               }
+
+               if (h->flags & HTML_SKIPCHAR) {
+                       h->flags &= ~HTML_SKIPCHAR;
+                       continue;
+               }
+
+               switch (esc) {
+               case (ESCAPE_UNICODE):
+                       /* Skip passed "u" header. */
+                       c = mchars_num2uc(seq + 1, len - 1);
+                       if ('\0' != c)
+                               printf("&#x%x;", c);
+                       break;
+               case (ESCAPE_NUMBERED):
+                       c = mchars_num2char(seq, len);
+                       if ('\0' != c)
+                               putchar(c);
+                       break;
+               case (ESCAPE_SPECIAL):
+                       c = mchars_spec2cp(h->symtab, seq, len);
+                       if (c > 0)
+                               printf("&#%d;", c);
+                       else if (-1 == c && 1 == len)
+                               putchar((int)*seq);
                        break;
                case (ESCAPE_NOSPACE):
                        if ('\0' == *p)
                        break;
                case (ESCAPE_NOSPACE):
                        if ('\0' == *p)
@@ -495,27 +504,8 @@ print_ctag(struct html *h, enum htmltag tag)
        } 
 }
 
        } 
 }
 
-
 void
 print_gen_decls(struct html *h)
 void
 print_gen_decls(struct html *h)
-{
-
-       print_xmltype(h);
-       print_doctype(h);
-}
-
-
-static void
-print_xmltype(struct html *h)
-{
-
-       if (HTML_XHTML_1_0_STRICT == h->type)
-               puts("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
-}
-
-
-static void
-print_doctype(struct html *h)
 {
        const char      *doctype;
        const char      *dtd;
 {
        const char      *doctype;
        const char      *dtd;
@@ -528,6 +518,7 @@ print_doctype(struct html *h)
                dtd = "http://www.w3.org/TR/html4/strict.dtd";
                break;
        default:
                dtd = "http://www.w3.org/TR/html4/strict.dtd";
                break;
        default:
+               puts("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
                name = "html";
                doctype = "-//W3C//DTD XHTML 1.0 Strict//EN";
                dtd = "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";
                name = "html";
                doctype = "-//W3C//DTD XHTML 1.0 Strict//EN";
                dtd = "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";
@@ -559,9 +550,11 @@ print_text(struct html *h, const char *word)
                        print_otag(h, TAG_I, 0, NULL);
 
        assert(word);
                        print_otag(h, TAG_I, 0, NULL);
 
        assert(word);
-       if ( ! print_encode(h, word, 0))
+       if ( ! print_encode(h, word, 0)) {
                if ( ! (h->flags & HTML_NONOSPACE))
                        h->flags &= ~HTML_NOSPACE;
                if ( ! (h->flags & HTML_NONOSPACE))
                        h->flags &= ~HTML_NOSPACE;
+       } else
+               h->flags |= HTML_NOSPACE;
 
        if (h->metaf) {
                print_tagq(h, h->metaf);
 
        if (h->metaf) {
                print_tagq(h, h->metaf);
@@ -617,7 +610,6 @@ print_stagq(struct html *h, const struct tag *suntil)
        }
 }
 
        }
 }
 
-
 void
 bufinit(struct html *h)
 {
 void
 bufinit(struct html *h)
 {
@@ -626,28 +618,26 @@ bufinit(struct html *h)
        h->buflen = 0;
 }
 
        h->buflen = 0;
 }
 
-
 void
 bufcat_style(struct html *h, const char *key, const char *val)
 {
 
        bufcat(h, key);
 void
 bufcat_style(struct html *h, const char *key, const char *val)
 {
 
        bufcat(h, key);
-       bufncat(h, ":", 1);
+       bufcat(h, ":");
        bufcat(h, val);
        bufcat(h, val);
-       bufncat(h, ";", 1);
+       bufcat(h, ";");
 }
 
 }
 
-
 void
 bufcat(struct html *h, const char *p)
 {
 
 void
 bufcat(struct html *h, const char *p)
 {
 
-       bufncat(h, p, strlen(p));
+       h->buflen = strlcat(h->buf, p, BUFSIZ);
+       assert(h->buflen < BUFSIZ);
 }
 
 }
 
-
 void
 void
-buffmt(struct html *h, const char *fmt, ...)
+bufcat_fmt(struct html *h, const char *fmt, ...)
 {
        va_list          ap;
 
 {
        va_list          ap;
 
@@ -658,19 +648,15 @@ buffmt(struct html *h, const char *fmt, ...)
        h->buflen = strlen(h->buf);
 }
 
        h->buflen = strlen(h->buf);
 }
 
-
-void
+static void
 bufncat(struct html *h, const char *p, size_t sz)
 {
 
 bufncat(struct html *h, const char *p, size_t sz)
 {
 
-       if (h->buflen + sz > BUFSIZ - 1)
-               sz = BUFSIZ - 1 - h->buflen;
-
-       (void)strncat(h->buf, p, sz);
+       assert(h->buflen + sz + 1 < BUFSIZ);
+       strncat(h->buf, p, sz);
        h->buflen += sz;
 }
 
        h->buflen += sz;
 }
 
-
 void
 buffmt_includes(struct html *h, const char *name)
 {
 void
 buffmt_includes(struct html *h, const char *name)
 {
@@ -678,6 +664,7 @@ buffmt_includes(struct html *h, const char *name)
 
        pp = h->base_includes;
        
 
        pp = h->base_includes;
        
+       bufinit(h);
        while (NULL != (p = strchr(pp, '%'))) {
                bufncat(h, pp, (size_t)(p - pp));
                switch (*(p + 1)) {
        while (NULL != (p = strchr(pp, '%'))) {
                bufncat(h, pp, (size_t)(p - pp));
                switch (*(p + 1)) {
@@ -694,7 +681,6 @@ buffmt_includes(struct html *h, const char *name)
                bufcat(h, pp);
 }
 
                bufcat(h, pp);
 }
 
-
 void
 buffmt_man(struct html *h, 
                const char *name, const char *sec)
 void
 buffmt_man(struct html *h, 
                const char *name, const char *sec)
@@ -703,7 +689,7 @@ buffmt_man(struct html *h,
 
        pp = h->base_man;
        
 
        pp = h->base_man;
        
-       /* LINTED */
+       bufinit(h);
        while (NULL != (p = strchr(pp, '%'))) {
                bufncat(h, pp, (size_t)(p - pp));
                switch (*(p + 1)) {
        while (NULL != (p = strchr(pp, '%'))) {
                bufncat(h, pp, (size_t)(p - pp));
                switch (*(p + 1)) {
@@ -711,7 +697,7 @@ buffmt_man(struct html *h,
                        bufcat(h, sec ? sec : "1");
                        break;
                case('N'):
                        bufcat(h, sec ? sec : "1");
                        break;
                case('N'):
-                       buffmt(h, name);
+                       bufcat_fmt(h, name);
                        break;
                default:
                        bufncat(h, p, 2);
                        break;
                default:
                        bufncat(h, p, 2);
@@ -723,85 +709,24 @@ buffmt_man(struct html *h,
                bufcat(h, pp);
 }
 
                bufcat(h, pp);
 }
 
-
 void
 bufcat_su(struct html *h, const char *p, const struct roffsu *su)
 {
        double           v;
 void
 bufcat_su(struct html *h, const char *p, const struct roffsu *su)
 {
        double           v;
-       const char      *u;
 
        v = su->scale;
 
        v = su->scale;
+       if (SCALE_MM == su->unit && 0.0 == (v /= 100.0))
+               v = 1.0;
 
 
-       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;
-       }
-
-       /* 
-        * 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);
+       bufcat_fmt(h, "%s: %.2f%s;", p, v, roffscales[su->unit]);
 }
 
 }
 
-
 void
 void
-html_idcat(char *dst, const char *src, int sz)
+bufcat_id(struct html *h, const char *src)
 {
 {
-       int              ssz;
-
-       assert(sz > 2);
 
        /* Cf. <http://www.w3.org/TR/html4/types.html#h-6.2>. */
 
 
        /* Cf. <http://www.w3.org/TR/html4/types.html#h-6.2>. */
 
-       /* We can't start with a number (bah). */
-
-       if ('#' == *dst) {
-               dst++;
-               sz--;
-       }
-       if ('\0' == *dst) {
-               *dst++ = 'x';
-               *dst = '\0';
-               sz--;
-       }
-
-       for ( ; *dst != '\0' && sz; dst++, sz--)
-               /* Jump to end. */ ;
-
-       for ( ; *src != '\0' && sz > 1; src++) {
-               ssz = snprintf(dst, (size_t)sz, "%.2x", *src);
-               sz -= ssz;
-               dst += ssz;
-       }
+       while ('\0' != *src)
+               bufcat_fmt(h, "%.2x", *src++);
 }
 }
A git conversion mirror of mandoc.bsd.lv