static int
rndr_link(hoedown_buffer *ob, const hoedown_buffer *link, const hoedown_buffer *title, const hoedown_buffer *content, void *opaque)
{
hoedown_html_renderer_state *state = opaque;
if (link != NULL && (state->flags & HOEDOWN_HTML_SAFELINK) != 0 && !hoedown_autolink_is_safe(link->data, link->size))
return 0;
HOEDOWN_BUFPUTSL(ob, "<a href=\"");
if (link && link->size)
escape_href(ob, link->data, link->size);
if (title && title->size) {
HOEDOWN_BUFPUTSL(ob, "\" title=\"");
escape_html(ob, title->data, title->size);
}
if (state->link_attributes) {
hoedown_buffer_putc(ob, '\"');
state->link_attributes(ob, link, opaque);
hoedown_buffer_putc(ob, '>');
} else {
HOEDOWN_BUFPUTSL(ob, "\">");
}
if (content && content->size) hoedown_buffer_put(ob, content->data, content->size);
HOEDOWN_BUFPUTSL(ob, "</a>");
return 1;
}
size_t
hoedown_autolink__url(
size_t *rewind_p,
hoedown_buffer *link,
uint8_t *data,
size_t max_rewind,
size_t size,
unsigned int flags)
{
size_t link_end, rewind = 0, domain_len;
if (size < 4 || data[1] != '/' || data[2] != '/')
return 0;
while (rewind < max_rewind && isalpha(data[-1 - rewind]))
rewind++;
if (!hoedown_autolink_is_safe(data - rewind, size + rewind))
return 0;
link_end = strlen("://");
domain_len = check_domain(
data + link_end,
size - link_end,
flags & HOEDOWN_AUTOLINK_SHORT_DOMAINS);
if (domain_len == 0)
return 0;
link_end += domain_len;
while (link_end < size && !isspace(data[link_end]))
link_end++;
link_end = autolink_delim(data, link_end, max_rewind, size);
if (link_end == 0)
return 0;
hoedown_buffer_put(link, data - rewind, link_end + rewind);
*rewind_p = rewind;
return link_end;
}
/********************
* GENERIC RENDERER *
********************/
static int
rndr_autolink(hoedown_buffer *ob, const hoedown_buffer *link, enum hoedown_autolink type, void *opaque)
{
hoedown_html_renderer_state *state = opaque;
if (!link || !link->size)
return 0;
if ((state->flags & HOEDOWN_HTML_SAFELINK) != 0 &&
!hoedown_autolink_is_safe(link->data, link->size) &&
type != HOEDOWN_AUTOLINK_EMAIL)
return 0;
HOEDOWN_BUFPUTSL(ob, "<a href=\"");
if (type == HOEDOWN_AUTOLINK_EMAIL)
HOEDOWN_BUFPUTSL(ob, "mailto:");
escape_href(ob, link->data, link->size);
if (state->link_attributes) {
hoedown_buffer_putc(ob, '\"');
state->link_attributes(ob, link, opaque);
hoedown_buffer_putc(ob, '>');
} else {
HOEDOWN_BUFPUTSL(ob, "\">");
}
/*
* Pretty printing: if we get an email address as
* an actual URI, e.g. `mailto:[email protected]`, we don't
* want to print the `mailto:` prefix
*/
if (hoedown_buffer_prefix(link, "mailto:") == 0) {
escape_html(ob, link->data + 7, link->size - 7);
} else {
escape_html(ob, link->data, link->size);
}
HOEDOWN_BUFPUTSL(ob, "</a>");
return 1;
}
