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-rw-r--r--html.c447
1 files changed, 298 insertions, 149 deletions
diff --git a/html.c b/html.c
index a9c03184..5fa25665 100644
--- a/html.c
+++ b/html.c
@@ -14,6 +14,8 @@
* 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 <assert.h>
#include <err.h>
#include <stdio.h>
@@ -37,6 +39,8 @@ enum htmltag {
TAG_P,
TAG_SPAN,
TAG_LINK,
+ TAG_BR,
+ TAG_A,
TAG_MAX
};
@@ -55,21 +59,24 @@ enum htmlattr {
struct htmldata {
char *name;
int flags;
-#define HTML_BLOCK (1 << 0)
+#define HTML_CLRLINE (1 << 0)
+#define HTML_NOSTACK (1 << 1)
};
static const struct htmldata htmltags[TAG_MAX] = {
- {"html", HTML_BLOCK}, /* TAG_HTML */
- {"head", HTML_BLOCK}, /* TAG_HEAD */
- {"body", HTML_BLOCK}, /* TAG_BODY */
- {"meta", HTML_BLOCK}, /* TAG_META */
- {"title", HTML_BLOCK}, /* TAG_TITLE */
- {"div", HTML_BLOCK}, /* TAG_DIV */
+ {"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_BLOCK}, /* TAG_P */
+ {"p", HTML_CLRLINE}, /* TAG_P */
{"span", 0}, /* TAG_SPAN */
- {"link", HTML_BLOCK}, /* TAG_LINK */
+ {"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] = {
@@ -88,9 +95,18 @@ struct htmlpair {
char *val;
};
+struct tag {
+ enum htmltag tag;
+ SLIST_ENTRY(tag) entry;
+};
+
+SLIST_HEAD(tagq, tag);
+
struct html {
int flags;
#define HTML_NOSPACE (1 << 0)
+#define HTML_NEWLINE (1 << 1)
+ struct tagq stack;
};
#define MDOC_ARGS const struct mdoc_meta *m, \
@@ -108,34 +124,37 @@ 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 void print_otag(struct html *, enum htmltag,
+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 void mdoc_root_post(MDOC_ARGS);
+static int mdoc_fl_pre(MDOC_ARGS);
static int mdoc_nd_pre(MDOC_ARGS);
static int mdoc_nm_pre(MDOC_ARGS);
-static void mdoc_nm_post(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 void mdoc_sh_post(MDOC_ARGS);
static int mdoc_ss_pre(MDOC_ARGS);
-static void mdoc_ss_post(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, mdoc_sh_post }, /* Sh */
- {mdoc_ss_pre, mdoc_ss_post }, /* Ss */
+ {mdoc_sh_pre, NULL }, /* Sh */
+ {mdoc_ss_pre, NULL }, /* Ss */
{mdoc_pp_pre, NULL}, /* Pp */
{NULL, NULL}, /* D1 */
{NULL, NULL}, /* Dl */
@@ -155,22 +174,22 @@ static const struct htmlmdoc mdocs[MDOC_MAX] = {
{NULL, NULL}, /* Ex */
{NULL, NULL}, /* Fa */
{NULL, NULL}, /* Fd */
- {NULL, NULL}, /* Fl */
+ {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, mdoc_nm_post}, /* Nm */
- {NULL, NULL}, /* Op */
+ {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 */
- {NULL, NULL}, /* Xr */
+ {mdoc_xr_pre, NULL}, /* Xr */
{NULL, NULL}, /* %A */
{NULL, NULL}, /* %B */
{NULL, NULL}, /* %D */
@@ -253,64 +272,83 @@ static const struct htmlmdoc mdocs[MDOC_MAX] = {
};
-int
+void
html_mdoc(void *arg, const struct mdoc *m)
{
struct html *h;
+ struct tag *t;
h = (struct html *)arg;
print_gen_doctype(h);
- print_otag(h, TAG_HTML, 0, NULL);
+ t = print_otag(h, TAG_HTML, 0, NULL);
print_mdoc(mdoc_meta(m), mdoc_node(m), h);
- print_ctag(h, TAG_HTML);
+ print_tagq(h, t);
+
printf("\n");
- return(1);
}
-int
+void
html_man(void *arg, const struct man *m)
{
struct html *h;
+ struct tag *t;
h = (struct html *)arg;
print_gen_doctype(h);
- print_otag(h, TAG_HTML, 0, NULL);
+ t = print_otag(h, TAG_HTML, 0, NULL);
print_man(man_meta(m), man_node(m), h);
- print_ctag(h, TAG_HTML);
+ print_tagq(h, t);
+
printf("\n");
- return(1);
}
void *
html_alloc(void)
{
+ struct html *h;
+
+ if (NULL == (h = calloc(1, sizeof(struct html))))
+ return(NULL);
- return(calloc(1, sizeof(struct html)));
+ SLIST_INIT(&h->stack);
+ return(h);
}
void
html_free(void *p)
{
+ struct tag *tag;
+ struct html *h;
+
+ h = (struct html *)p;
- free(p);
+ while ( ! SLIST_EMPTY(&h->stack)) {
+ tag = SLIST_FIRST(&h->stack);
+ SLIST_REMOVE_HEAD(&h->stack, entry);
+ free(tag);
+ }
+ free(h);
}
static void
print_mdoc(MDOC_ARGS)
{
+ struct tag *t;
- print_otag(h, TAG_HEAD, 0, NULL);
+ t = print_otag(h, TAG_HEAD, 0, NULL);
print_mdoc_head(m, n, h);
- print_ctag(h, TAG_HEAD);
- print_otag(h, TAG_BODY, 0, NULL);
+ print_tagq(h, t);
+
+ t = print_otag(h, TAG_BODY, 0, NULL);
+ print_mdoc_title(m, n, h);
print_mdoc_node(m, n, h);
- print_ctag(h, TAG_BODY);
+ print_tagq(h, t);
}
@@ -334,7 +372,7 @@ print_gen_head(struct html *h)
link[0].key = ATTR_REL;
link[0].val = "stylesheet";
link[1].key = ATTR_HREF;
- link[1].val = "style.css";
+ link[1].val = "style.css"; /* XXX */
link[2].key = ATTR_TYPE;
link[2].val = "text/css";
link[3].key = ATTR_MEDIA;
@@ -346,6 +384,7 @@ print_gen_head(struct html *h)
}
+/* ARGSUSED */
static void
print_mdoc_head(MDOC_ARGS)
{
@@ -353,117 +392,15 @@ print_mdoc_head(MDOC_ARGS)
print_gen_head(h);
print_otag(h, TAG_TITLE, 0, NULL);
print_encode(m->title);
- print_ctag(h, TAG_TITLE);
-}
-
-
-static int
-mdoc_root_pre(MDOC_ARGS)
-{
- struct htmlpair div;
-
- div.key = ATTR_CLASS;
- div.val = "body";
-
- print_otag(h, TAG_DIV, 1, &div);
- return(1);
-}
-
-
-static void
-mdoc_root_post(MDOC_ARGS)
-{
-
- print_ctag(h, TAG_DIV);
-}
-
-
-static int
-mdoc_ss_pre(MDOC_ARGS)
-{
-
- 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);
}
+/* ARGSUSED */
static void
-mdoc_ss_post(MDOC_ARGS)
-{
-
- if (MDOC_BODY == n->type)
- print_ctag(h, TAG_P);
- if (MDOC_HEAD == n->type)
- print_ctag(h, TAG_H2);
-}
-
-
-static int
-mdoc_pp_pre(MDOC_ARGS)
-{
-
- print_otag(h, TAG_P, 0, NULL);
- return(0);
-}
-
-
-static int
-mdoc_nd_pre(MDOC_ARGS)
-{
-
- if (MDOC_BODY == n->type)
- print_text(h, "--");
- return(1);
-}
-
-
-static int
-mdoc_nm_pre(MDOC_ARGS)
-{
- struct htmlpair class;
-
- class.key = ATTR_CLASS;
- class.val = "name";
-
- print_otag(h, TAG_SPAN, 1, &class);
- if (NULL == n->child)
- print_text(h, m->name);
-
- return(1);
-}
-
-
-static void
-mdoc_nm_post(MDOC_ARGS)
-{
-
- print_ctag(h, TAG_SPAN);
-}
-
-
-static int
-mdoc_sh_pre(MDOC_ARGS)
-{
-
- 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);
-}
-
-
-static void
-mdoc_sh_post(MDOC_ARGS)
+print_mdoc_title(MDOC_ARGS)
{
- if (MDOC_BODY == n->type)
- print_ctag(h, TAG_P);
- if (MDOC_HEAD == n->type)
- print_ctag(h, TAG_H1);
+ /* TODO */
}
@@ -471,8 +408,10 @@ static void
print_mdoc_node(MDOC_ARGS)
{
int child;
+ struct tag *t;
child = 1;
+ t = SLIST_FIRST(&h->stack);
switch (n->type) {
case (MDOC_ROOT):
@@ -490,9 +429,10 @@ print_mdoc_node(MDOC_ARGS)
if (child && n->child)
print_mdoc_node(m, n->child, h);
+ print_stagq(h, t);
+
switch (n->type) {
case (MDOC_ROOT):
- mdoc_root_post(m, n, h);
break;
case (MDOC_TEXT):
break;
@@ -510,16 +450,19 @@ print_mdoc_node(MDOC_ARGS)
static void
print_man(MAN_ARGS)
{
+ struct tag *t;
- print_otag(h, TAG_HEAD, 0, NULL);
+ t = print_otag(h, TAG_HEAD, 0, NULL);
print_man_head(m, n, h);
- print_ctag(h, TAG_HEAD);
- print_otag(h, TAG_BODY, 0, NULL);
+ print_tagq(h, t);
+
+ t = print_otag(h, TAG_BODY, 0, NULL);
print_man_body(m, n, h);
- print_ctag(h, TAG_BODY);
+ print_tagq(h, t);
}
+/* ARGSUSED */
static void
print_man_head(MAN_ARGS)
{
@@ -527,13 +470,15 @@ print_man_head(MAN_ARGS)
print_gen_head(h);
print_otag(h, TAG_TITLE, 0, NULL);
print_encode(m->title);
- print_ctag(h, TAG_TITLE);
}
+/* ARGSUSED */
static void
print_man_body(MAN_ARGS)
{
+
+ /* TODO */
}
@@ -545,14 +490,23 @@ print_encode(const char *p)
}
-static void
+static struct tag *
print_otag(struct html *h, enum htmltag tag,
int sz, const struct htmlpair *p)
{
int i;
+ struct tag *t;
+
+ if ( ! (HTML_NOSTACK & htmltags[tag].flags)) {
+ if (NULL == (t = malloc(sizeof(struct tag))))
+ err(EXIT_FAILURE, "malloc");
+ t->tag = tag;
+ SLIST_INSERT_HEAD(&h->stack, t, entry);
+ } else
+ t = NULL;
if ( ! (HTML_NOSPACE & h->flags))
- if ( ! (HTML_BLOCK & htmltags[tag].flags))
+ if ( ! (HTML_CLRLINE & htmltags[tag].flags))
printf(" ");
printf("<%s", htmltags[tag].name);
@@ -565,7 +519,12 @@ print_otag(struct html *h, enum htmltag tag,
printf(">");
h->flags |= HTML_NOSPACE;
+ if (HTML_CLRLINE & htmltags[tag].flags)
+ h->flags |= HTML_NEWLINE;
+ else
+ h->flags &= ~HTML_NEWLINE;
+ return(t);
}
@@ -575,8 +534,12 @@ print_ctag(struct html *h, enum htmltag tag)
{
printf("</%s>", htmltags[tag].name);
- if (HTML_BLOCK & htmltags[tag].flags)
+ 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;
}
@@ -613,13 +576,16 @@ print_text(struct html *h, const char *p)
/* FALLTHROUGH */
case('}'):
h->flags |= HTML_NOSPACE;
+ break;
default:
break;
}
if ( ! (h->flags & HTML_NOSPACE))
printf(" ");
+
h->flags &= ~HTML_NOSPACE;
+ h->flags &= ~HTML_NEWLINE;
if (p)
print_encode(p);
@@ -632,7 +598,190 @@ print_text(struct html *h, const char *p)
/* FALLTHROUGH */
case('{'):
h->flags |= HTML_NOSPACE;
+ break;
default:
break;
}
}
+
+
+static void
+print_tagq(struct html *h, const struct tag *until)
+{
+ struct tag *tag;
+
+ 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;
+ }
+}
+
+
+static void
+print_stagq(struct html *h, const struct tag *suntil)
+{
+ 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);
+ free(tag);
+ }
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_root_pre(MDOC_ARGS)
+{
+ struct htmlpair tag;
+
+ tag.key = ATTR_CLASS;
+ tag.val = "body";
+
+ print_otag(h, TAG_DIV, 1, &tag);
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_ss_pre(MDOC_ARGS)
+{
+
+ 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);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_fl_pre(MDOC_ARGS)
+{
+ 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);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_pp_pre(MDOC_ARGS)
+{
+
+ print_otag(h, TAG_BR, 0, NULL);
+ print_otag(h, TAG_BR, 0, NULL);
+ return(0);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_nd_pre(MDOC_ARGS)
+{
+
+ if (MDOC_BODY == n->type)
+ print_text(h, "--");
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_op_pre(MDOC_ARGS)
+{
+
+ if (MDOC_BODY == n->type) {
+ print_text(h, "\\(lB");
+ h->flags |= HTML_NOSPACE;
+ }
+ return(1);
+}
+
+
+/* ARGSUSED */
+static void
+mdoc_op_post(MDOC_ARGS)
+{
+
+ if (MDOC_BODY != n->type)
+ 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);
+
+ return(1);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_sh_pre(MDOC_ARGS)
+{
+
+ 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);
+}
+
+
+/* ARGSUSED */
+static int
+mdoc_xr_pre(MDOC_ARGS)
+{
+ 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, ")");
+
+ return(0);
+}
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