static int
rndr_raw_html(struct buf *ob, const struct buf *text, void *opaque)
{
struct html_renderopt *options = opaque;
/* HTML_ESCAPE overrides SKIP_HTML, SKIP_STYLE, SKIP_LINKS and SKIP_IMAGES
It doesn't see if there are any valid tags, just escape all of them. */
if((options->flags & HTML_ESCAPE) != 0) {
escape_html(ob, text->data, text->size);
return 1;
}
if ((options->flags & HTML_SKIP_HTML) != 0)
return 1;
if ((options->flags & HTML_SKIP_STYLE) != 0 &&
sdhtml_is_tag(text->data, text->size, "style"))
return 1;
if ((options->flags & HTML_SKIP_LINKS) != 0 &&
sdhtml_is_tag(text->data, text->size, "a"))
return 1;
if ((options->flags & HTML_SKIP_IMAGES) != 0 &&
sdhtml_is_tag(text->data, text->size, "img"))
return 1;
bufput(ob, text->data, text->size);
return 1;
}
static void
rndr_raw_block(struct buf *ob, const struct buf *text, void *opaque)
{
size_t org, size;
struct html_renderopt *options = opaque;
if (!text)
return;
size = text->size;
while (size > 0 && text->data[size - 1] == '\n')
size--;
for (org = 0; org < size && text->data[org] == '\n'; ++org)
if (org >= size)
return;
/* Remove style tags if the `:no_styles` option is enabled */
if ((options->flags & HTML_SKIP_STYLE) != 0 &&
sdhtml_is_tag(text->data, size, "style"))
return;
if (ob->size)
bufputc(ob, '\n');
bufput(ob, text->data + org, size - org);
bufputc(ob, '\n');
}
static int
rndr_raw_html(struct buf *ob, const struct buf *text, void *opaque)
{
struct html_renderopt *options = opaque;
char** whitelist = options->html_element_whitelist;
int i, tagtype;
/* Items on the whitelist ignore all other flags and just output */
if (((options->flags & HTML_ALLOW_ELEMENT_WHITELIST) != 0) && whitelist) {
for (i = 0; whitelist[i]; i++) {
tagtype = sdhtml_is_tag(text->data, text->size, whitelist[i]);
if (tagtype != HTML_TAG_NONE) {
rndr_html_tag(ob, text, opaque,
whitelist[i],
options->html_attr_whitelist,
tagtype);
return 1;
}
}
}
/* HTML_ESCAPE overrides SKIP_HTML, SKIP_STYLE, SKIP_LINKS and SKIP_IMAGES
* It doens't see if there are any valid tags, just escape all of them. */
if((options->flags & HTML_ESCAPE) != 0) {
escape_html(ob, text->data, text->size);
return 1;
}
if ((options->flags & HTML_SKIP_HTML) != 0)
return 1;
if ((options->flags & HTML_SKIP_STYLE) != 0 &&
sdhtml_is_tag(text->data, text->size, "style"))
return 1;
if ((options->flags & HTML_SKIP_LINKS) != 0 &&
sdhtml_is_tag(text->data, text->size, "a"))
return 1;
if ((options->flags & HTML_SKIP_IMAGES) != 0 &&
sdhtml_is_tag(text->data, text->size, "img"))
return 1;
bufput(ob, text->data, text->size);
return 1;
}
static size_t
smartypants_cb__ltag(struct buf *ob, struct smartypants_data *smrt, uint8_t previous_char, const uint8_t *text, size_t size)
{
static const char *skip_tags[] = {
"pre", "code", "var", "samp", "kbd", "math", "script", "style"
};
static const size_t skip_tags_count = 8;
size_t tag, i = 0;
while (i < size && text[i] != '>')
i++;
for (tag = 0; tag < skip_tags_count; ++tag) {
if (sdhtml_is_tag(text, size, skip_tags[tag]) == HTML_TAG_OPEN)
break;
}
if (tag < skip_tags_count) {
for (;;) {
while (i < size && text[i] != '<')
i++;
if (i == size)
break;
if (sdhtml_is_tag(text + i, size - i, skip_tags[tag]) == HTML_TAG_CLOSE)
break;
i++;
}
while (i < size && text[i] != '>')
i++;
}
bufput(ob, text, i + 1);
return i;
}
