// rndr_blockcode from HEAD. The "language-" prefix in class in needed to make
// the HTML compatible with Prism.
void hoedown_patch_render_blockcode(
hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_buffer *lang,
const hoedown_renderer_data *data)
{
if (ob->size) hoedown_buffer_putc(ob, '\n');
if (lang) {
hoedown_html_renderer_state_extra *extra =
((hoedown_html_renderer_state *)data->opaque)->opaque;
hoedown_buffer *mapped = NULL;
if (extra->language_addition)
mapped = extra->language_addition(lang, extra->owner);
HOEDOWN_BUFPUTSL(ob, "<pre><code class=\"language-");
if (mapped)
{
hoedown_escape_html(ob, mapped->data, mapped->size, 0);
hoedown_buffer_free(mapped);
}
else
{
hoedown_escape_html(ob, lang->data, lang->size, 0);
}
HOEDOWN_BUFPUTSL(ob, "\">");
} else {
HOEDOWN_BUFPUTSL(ob, "<pre><code>");
}
if (text)
hoedown_escape_html(ob, text->data, text->size, 0);
HOEDOWN_BUFPUTSL(ob, "</code></pre>\n");
}
// rndr_blockcode from HEAD. The "language-" prefix in class in needed to make
// the HTML compatible with Prism.
void hoedown_patch_render_blockcode(
hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_buffer *lang,
const hoedown_renderer_data *data)
{
if (ob->size) hoedown_buffer_putc(ob, '\n');
hoedown_html_renderer_state *state = data->opaque;
hoedown_buffer *front = NULL;
hoedown_buffer *back = NULL;
if (lang && USE_BLOCKCODE_INFORMATION(state))
{
front = hoedown_buffer_new(lang->size);
back = hoedown_buffer_new(lang->size);
hoedown_buffer *current = front;
for (size_t i = 0; i < lang->size; i++)
{
uint8_t c = lang->data[i];
if (current == front && c == ':')
current = back;
else
hoedown_buffer_putc(current, c);
}
lang = front;
}
HOEDOWN_BUFPUTSL(ob, "<pre");
if (state->flags & HOEDOWN_HTML_BLOCKCODE_LINE_NUMBERS)
HOEDOWN_BUFPUTSL(ob, " class=\"line-numbers\"");
if (back && back->size)
{
HOEDOWN_BUFPUTSL(ob, " data-information=\"");
hoedown_buffer_put(ob, back->data, back->size);
HOEDOWN_BUFPUTSL(ob, "\"");
}
HOEDOWN_BUFPUTSL(ob, "><code class=\"language-");
if (lang && lang->size)
hoedown_escape_html(ob, lang->data, lang->size, 0);
else
HOEDOWN_BUFPUTSL(ob, "none");
HOEDOWN_BUFPUTSL(ob, "\">");
if (text)
{
// Remove last newline to prevent prism from adding a blank line at the
// end of code blocks.
size_t size = text->size;
if (size > 0 && text->data[size - 1] == '\n')
size--;
hoedown_escape_html(ob, text->data, size, 0);
}
HOEDOWN_BUFPUTSL(ob, "</code></pre>\n");
hoedown_buffer_free(front);
hoedown_buffer_free(back);
}
static NAN_METHOD(Do) {
NanScope();
EscapeHTML* obj = Unwrap<EscapeHTML>(args.Holder());
hoedown_buffer* ob = obj->ob;
NanUtf8String input (args[0]);
if (ob->asize > obj->maxSize) {
free(ob->data);
ob->data = (uint8_t*) malloc(obj->minSize);
ob->asize = obj->minSize;
}
ob->size = 0;
hoedown_escape_html(ob, (uint8_t*)*input, input.length(), obj->secure);
NanReturnValue(NanNew<String>((char*)ob->data, ob->size));
}
static inline void escape_html(hoedown_buffer *ob, const uint8_t *source, size_t length)
{
hoedown_escape_html(ob, source, length, 0);
}