]> git.cameronkatri.com Git - mandoc.git/blobdiff - html.c
Lint fixes.
[mandoc.git] / html.c
diff --git a/html.c b/html.c
index 02d77cbe8613dce48f3b07a15a8a4b92a3165caf..8626e91ef850a409550166ffd071fb7a59f1f123 100644 (file)
--- a/html.c
+++ b/html.c
@@ -1,4 +1,4 @@
-/*     $Id: html.c,v 1.55 2009/10/03 16:36:06 kristaps Exp $ */
+/*     $Id: html.c,v 1.73 2009/10/30 18:50:11 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 #include <sys/types.h>
-#include <sys/queue.h>
 
 #include <assert.h>
+#include <ctype.h>
 #include <err.h>
 #include <stdio.h>
 #include <stdarg.h>
+#include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
+#include "out.h"
 #include "chars.h"
 #include "html.h"
+#include "main.h"
+
+#define        UNCONST(a)      ((void *)(uintptr_t)(const void *)(a))
 
 #define        DOCTYPE         "-//W3C//DTD HTML 4.01//EN"
 #define        DTD             "http://www.w3.org/TR/html4/strict.dtd"
 
 struct htmldata {
-       char             *name;
+       const char       *name;
        int               flags;
 #define        HTML_CLRLINE     (1 << 0)
 #define        HTML_NOSTACK     (1 << 1)
@@ -75,6 +80,8 @@ static        const char       *const htmlattrs[ATTR_MAX] = {
        "width",
        "valign",
        "target",
+       "id",
+       "summary",
 };
 
 #ifdef __linux__
@@ -85,26 +92,26 @@ void *
 html_alloc(char *outopts)
 {
        struct html     *h;
-       char            *toks[4], *v;
+       const char      *toks[4];
+       char            *v;
 
        toks[0] = "style";
        toks[1] = "man";
        toks[2] = "includes";
        toks[3] = NULL;
 
-       if (NULL == (h = calloc(1, sizeof(struct html))))
-               return(NULL);
-
-       SLIST_INIT(&h->tags);
-       SLIST_INIT(&h->ords);
-
-       if (NULL == (h->symtab = chars_init(CHARS_HTML))) {
-               free(h);
-               return(NULL);
+       h = calloc(1, sizeof(struct html));
+       if (NULL == h) {
+               fprintf(stderr, "memory exhausted\n");
+               exit(EXIT_FAILURE);
        }
 
+       h->tags.head = NULL;
+       h->ords.head = NULL;
+       h->symtab = chars_init(CHARS_HTML);
+
        while (outopts && *outopts)
-               switch (getsubopt(&outopts, toks, &v)) {
+               switch (getsubopt(&outopts, UNCONST(toks), &v)) {
                case (0):
                        h->style = v;
                        break;
@@ -131,15 +138,13 @@ html_free(void *p)
 
        h = (struct html *)p;
 
-       while ( ! SLIST_EMPTY(&h->ords)) {
-               ord = SLIST_FIRST(&h->ords);
-               SLIST_REMOVE_HEAD(&h->ords, entry);
+       while ((ord = h->ords.head) != NULL) { 
+               h->ords.head = ord->next;
                free(ord);
        }
 
-       while ( ! SLIST_EMPTY(&h->tags)) {
-               tag = SLIST_FIRST(&h->tags);
-               SLIST_REMOVE_HEAD(&h->tags, entry);
+       while ((tag = h->tags.head) != NULL) {
+               h->tags.head = tag->next;       
                free(tag);
        }
        
@@ -348,10 +353,14 @@ print_otag(struct html *h, enum htmltag tag,
        struct tag      *t;
 
        if ( ! (HTML_NOSTACK & htmltags[tag].flags)) {
-               if (NULL == (t = malloc(sizeof(struct tag))))
-                       err(EXIT_FAILURE, "malloc");
+               t = malloc(sizeof(struct tag));
+               if (NULL == t) {
+                       fprintf(stderr, "memory exhausted\n");
+                       exit(EXIT_FAILURE);
+               }
                t->tag = tag;
-               SLIST_INSERT_HEAD(&h->tags, t, entry);
+               t->next = h->tags.head;
+               h->tags.head = t;
        } else
                t = NULL;
 
@@ -384,11 +393,11 @@ print_ctag(struct html *h, enum htmltag tag)
 {
        
        printf("</%s>", htmltags[tag].name);
-       if (HTML_CLRLINE & htmltags[tag].flags)
+       if (HTML_CLRLINE & htmltags[tag].flags) {
                h->flags |= HTML_NOSPACE;
-       if (HTML_CLRLINE & htmltags[tag].flags)
                h->flags |= HTML_NEWLINE;
-       else
+               printf("\n");
+       } else
                h->flags &= ~HTML_NEWLINE;
 }
 
@@ -461,10 +470,9 @@ print_tagq(struct html *h, const struct tag *until)
 {
        struct tag      *tag;
 
-       while ( ! SLIST_EMPTY(&h->tags)) {
-               tag = SLIST_FIRST(&h->tags);
+       while ((tag = h->tags.head) != NULL) {
                print_ctag(h, tag->tag);
-               SLIST_REMOVE_HEAD(&h->tags, entry);
+               h->tags.head = tag->next;
                free(tag);
                if (until && tag == until)
                        return;
@@ -477,12 +485,11 @@ print_stagq(struct html *h, const struct tag *suntil)
 {
        struct tag      *tag;
 
-       while ( ! SLIST_EMPTY(&h->tags)) {
-               tag = SLIST_FIRST(&h->tags);
+       while ((tag = h->tags.head) != NULL) {
                if (suntil && tag == suntil)
                        return;
                print_ctag(h, tag->tag);
-               SLIST_REMOVE_HEAD(&h->tags, entry);
+               h->tags.head = tag->next;
                free(tag);
        }
 }
@@ -497,6 +504,17 @@ bufinit(struct html *h)
 }
 
 
+void
+bufcat_style(struct html *h, const char *key, const char *val)
+{
+
+       bufcat(h, key);
+       bufncat(h, ":", 1);
+       bufcat(h, val);
+       bufncat(h, ";", 1);
+}
+
+
 void
 bufcat(struct html *h, const char *p)
 {
@@ -511,11 +529,10 @@ buffmt(struct html *h, const char *fmt, ...)
        va_list          ap;
 
        va_start(ap, fmt);
-       (void)vsnprintf(h->buf + h->buflen, 
+       (void)vsnprintf(h->buf + (int)h->buflen, 
                        BUFSIZ - h->buflen - 1, fmt, ap);
        va_end(ap);
        h->buflen = strlen(h->buf);
-       assert('\0' == h->buf[h->buflen]);
 }
 
 
@@ -528,7 +545,6 @@ bufncat(struct html *h, const char *p, size_t sz)
 
        (void)strncat(h->buf, p, sz);
        h->buflen += sz;
-       assert('\0' == h->buf[h->buflen]);
 }
 
 
@@ -538,8 +554,9 @@ buffmt_includes(struct html *h, const char *name)
        const char      *p, *pp;
 
        pp = h->base_includes;
-       while ((p = strchr(pp, '%'))) {
-               bufncat(h, pp, p - pp);
+       
+       while (NULL != (p = strchr(pp, '%'))) {
+               bufncat(h, pp, (size_t)(p - pp));
                switch (*(p + 1)) {
                case('I'):
                        bufcat(h, name);
@@ -562,14 +579,16 @@ buffmt_man(struct html *h,
        const char      *p, *pp;
 
        pp = h->base_man;
-       while ((p = strchr(pp, '%'))) {
-               bufncat(h, pp, p - pp);
+       
+       /* LINTED */
+       while (NULL != (p = strchr(pp, '%'))) {
+               bufncat(h, pp, (size_t)(p - pp));
                switch (*(p + 1)) {
                case('S'):
-                       bufcat(h, sec);
+                       bufcat(h, sec ? sec : "1");
                        break;
                case('N'):
-                       buffmt(h, name ? name : "1");
+                       buffmt(h, name);
                        break;
                default:
                        bufncat(h, p, 2);
@@ -580,3 +599,82 @@ buffmt_man(struct html *h,
        if (pp)
                bufcat(h, pp);
 }
+
+
+void
+bufcat_su(struct html *h, const char *p, const struct roffsu *su)
+{
+       double           v;
+       const char      *u;
+
+       v = su->scale;
+
+       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;
+       }
+
+       if (su->pt)
+               buffmt(h, "%s: %f%s;", p, v, u);
+       else
+               /* LINTED */
+               buffmt(h, "%s: %d%s;", p, (int)v, u);
+}
+
+
+void
+html_idcat(char *dst, const char *src, int sz)
+{
+       int              ssz;
+
+       assert(sz);
+
+       /* Cf. <http://www.w3.org/TR/html4/types.html#h-6.2>. */
+
+       for ( ; *dst != '\0' && sz; dst++, sz--)
+               /* Jump to end. */ ;
+
+       assert(sz > 2);
+
+       /* We can't start with a number (bah). */
+
+       *dst++ = 'x';
+       *dst = '\0';
+       sz--;
+
+       for ( ; *src != '\0' && sz > 1; src++) {
+               ssz = snprintf(dst, (size_t)sz, "%.2x", *src);
+               sz -= ssz;
+               dst += ssz;
+       }
+}