if (!link_has_scheme)
{
- /* We have no base, and the link does not have a host
- attached to it. Nothing we can do. */
- /* #### Should we print a warning here? Wget 1.5.x used to. */
+ /* Base URL is unavailable, and the link does not have a
+ location attached to it -- we have to give up. Since
+ this can only happen when using `--force-html -i', print
+ a warning. */
+ logprintf (LOG_NOTQUIET,
+ _("%s: Cannot resolve relative link %s.\n"),
+ ctx->document_file, link_uri);
return NULL;
}
xfree (complete_uri);
}
+ DEBUGP (("appending \"%s\" to urlpos.\n", url->url));
+
newel = (struct urlpos *)xmalloc (sizeof (struct urlpos));
memset (newel, 0, sizeof (*newel));
/* All the tag_* functions are called from collect_tags_mapper, as
specified by KNOWN_TAGS. */
-/* For most tags, all we want to do is harvest URLs from their
- attributes. */
+/* Default tag handler: collect URLs from attributes specified for
+ this tag by tag_url_attributes. */
static void
tag_find_urls (int tagid, struct taginfo *tag, struct map_context *ctx)
if (tag_url_attributes[i].tagid == tagid)
{
/* We've found the index of tag_url_attributes where the
- attributes of our tags begin. */
+ attributes of our tag begin. */
first = i;
break;
}
{
/* Find whether TAG/ATTRIND is a combination that contains a
URL. */
- char *attrvalue = tag->attrs[attrind].value;
+ char *link = tag->attrs[attrind].value;
/* If you're cringing at the inefficiency of the nested loops,
- remember that the number of attributes the inner loop
- iterates over is laughably small -- three in the worst case
- (IMG). */
+ remember that they both iterate over a laughably small
+ quantity of items. The worst-case inner loop is for the IMG
+ tag, which has three attributes. */
for (i = first; i < size && tag_url_attributes[i].tagid == tagid; i++)
{
if (0 == strcasecmp (tag->attrs[attrind].name,
tag_url_attributes[i].attr_name))
{
int flags = tag_url_attributes[i].flags;
- append_one_url (attrvalue, !(flags & TUA_EXTERNAL),
- tag, attrind, ctx);
+ append_one_url (link, !(flags & TUA_EXTERNAL), tag, attrind, ctx);
}
}
}
}
+/* Handle the BASE tag, for <base href=...>. */
+
static void
tag_handle_base (int tagid, struct taginfo *tag, struct map_context *ctx)
{
ctx->base = xstrdup (newbase);
}
+/* Handle the LINK tag. It requires special handling because how its
+ links will be followed in -p mode depends on the REL attribute. */
+
static void
tag_handle_link (int tagid, struct taginfo *tag, struct map_context *ctx)
{
}
}
-/* Some pages use a META tag to specify that the page be refreshed by
- a new page after a given number of seconds. The general format for
- this is:
-
- <meta http-equiv=Refresh content="NUMBER; URL=index2.html">
-
- So we just need to skip past the "NUMBER; URL=" garbage to get to
- the URL. */
+/* Handle the META tag. This requires special handling because of the
+ refresh feature and because of robot exclusion. */
static void
tag_handle_meta (int tagid, struct taginfo *tag, struct map_context *ctx)
if (http_equiv && 0 == strcasecmp (http_equiv, "refresh"))
{
+ /* Some pages use a META tag to specify that the page be
+ refreshed by a new page after a given number of seconds. The
+ general format for this is:
+
+ <meta http-equiv=Refresh content="NUMBER; URL=index2.html">
+
+ So we just need to skip past the "NUMBER; URL=" garbage to
+ get to the URL. */
+
struct urlpos *entry;
int attrind;