static void
rndr_raw_block(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data)
{
size_t org, sz;
if (!text)
return;
/* FIXME: Do we *really* need to trim the HTML? How does that make a difference? */
sz = text->size;
while (sz > 0 && text->data[sz - 1] == '\n')
sz--;
org = 0;
while (org < sz && text->data[org] == '\n')
org++;
if (org >= sz)
return;
if (ob->size)
hoedown_buffer_putc(ob, '\n');
hoedown_buffer_put(ob, text->data + org, sz - org);
hoedown_buffer_putc(ob, '\n');
}
static void
rndr_hrule(hoedown_buffer *ob, const hoedown_renderer_data *data)
{
uint8_t c = hoedown_document_hrule_char(((hoedown_context_test_renderer_state*) data->opaque)->doc);
hoedown_buffer_putc(ob, c);
hoedown_buffer_putc(ob, ' ');
}
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;
}
static int
rndr_link(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_buffer *link, const hoedown_buffer *title, const hoedown_renderer_data *data)
{
hoedown_html_renderer_state *state = data->opaque;
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, data);
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;
}
// 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 void
rndr_blockcode(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_buffer *lang, const hoedown_buffer *attr, const hoedown_renderer_data *data)
{
uint8_t c = hoedown_document_fencedcode_char(((hoedown_context_test_renderer_state*) data->opaque)->doc);
if (c) hoedown_buffer_putc(ob, c);
else hoedown_buffer_puts(ob, "unfenced blockcode");
hoedown_buffer_putc(ob, ' ');
}
static void
rndr_listitem(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_buffer *attr, hoedown_list_flags *flags, const hoedown_renderer_data *data)
{
uint8_t c;
c = hoedown_document_ul_item_char(((hoedown_context_test_renderer_state*) data->opaque)->doc);
hoedown_buffer_putc(ob, c);
hoedown_buffer_putc(ob, ' ');
if (content) hoedown_buffer_put(ob, content->data, content->size);
}
static void
rndr_raw_block(hoedown_buffer *ob, const hoedown_buffer *text, void *opaque)
{
size_t org, sz;
if (!text) return;
sz = text->size;
while (sz > 0 && text->data[sz - 1] == '\n') sz--;
org = 0;
while (org < sz && text->data[org] == '\n') org++;
if (org >= sz) return;
if (ob->size) hoedown_buffer_putc(ob, '\n');
hoedown_buffer_put(ob, text->data + org, sz - org);
hoedown_buffer_putc(ob, '\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');
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");
}
static int
rndr_link(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_buffer *link, const hoedown_buffer *title, const hoedown_buffer *attr, const hoedown_renderer_data *data)
{
const hoedown_buffer *id;
hoedown_link_type link_type;
id = hoedown_document_link_id(((hoedown_context_test_renderer_state*) data->opaque)->doc);
hoedown_buffer_puts(ob, "id: ");
if (id) hoedown_buffer_put(ob, id->data, id->size);
else hoedown_buffer_puts(ob, "no id");
hoedown_buffer_putc(ob, ' ');
link_type = hoedown_document_link_type(((hoedown_context_test_renderer_state*) data->opaque)->doc);
switch (link_type) {
case HOEDOWN_LINK_INLINE:
hoedown_buffer_puts(ob, "HOEDOWN_LINK_INLINE");
break;
case HOEDOWN_LINK_REFERENCE:
hoedown_buffer_puts(ob, "HOEDOWN_LINK_REFERENCE");
break;
case HOEDOWN_LINK_EMPTY_REFERENCE:
hoedown_buffer_puts(ob, "HOEDOWN_LINK_EMPTY_REFERENCE");
break;
case HOEDOWN_LINK_SHORTCUT:
hoedown_buffer_puts(ob, "HOEDOWN_LINK_SHORTCUT");
break;
default:
break;
}
return 1;
}
static void
rndr_hrule(struct hoedown_buffer *ob, void *opaque)
{
struct hoedown_html_renderopt *options = opaque;
if (ob->size) hoedown_buffer_putc(ob, '\n');
hoedown_buffer_puts(ob, USE_XHTML(options) ? "<hr/>\n" : "<hr>\n");
}
static void
rndr_test_link_attributes(hoedown_buffer *ob, const hoedown_buffer *url, const hoedown_renderer_data *data)
{
hoedown_buffer_puts(ob, " data-url=\"");
hoedown_buffer_put(ob, url->data, url->size);
hoedown_buffer_putc(ob, '\"');
}
static void
rndr_hrule(hoedown_buffer *ob, void *opaque)
{
hoedown_html_renderer_state *state = opaque;
if (ob->size) hoedown_buffer_putc(ob, '\n');
hoedown_buffer_puts(ob, USE_XHTML(state) ? "<hr/>\n" : "<hr>\n");
}
static void
rndr_hrule(hoedown_buffer *ob, const hoedown_renderer_data *data)
{
hoedown_html_renderer_state *state = data->opaque;
if (ob->size) hoedown_buffer_putc(ob, '\n');
hoedown_buffer_puts(ob, USE_XHTML(state) ? "<hr/>\n" : "<hr>\n");
}
void
hoedown_escape_html(hoedown_buffer *ob, const uint8_t *data, size_t size, int secure)
{
size_t i = 0, mark;
while (1) {
mark = i;
while (i < size && HTML_ESCAPE_TABLE[data[i]] == 0) i++;
/* Optimization for cases where there's nothing to escape */
if (mark == 0 && i >= size) {
hoedown_buffer_put(ob, data, size);
return;
}
if (likely(i > mark))
hoedown_buffer_put(ob, data + mark, i - mark);
if (i >= size) break;
/* The forward slash is only escaped in secure mode */
if (!secure && data[i] == '/') {
hoedown_buffer_putc(ob, '/');
} else {
hoedown_buffer_puts(ob, HTML_ESCAPES[HTML_ESCAPE_TABLE[data[i]]]);
}
i++;
}
}
static void
rndr_list(hoedown_buffer *ob, const hoedown_buffer *text, unsigned int flags, void *opaque)
{
if (ob->size) hoedown_buffer_putc(ob, '\n');
hoedown_buffer_put(ob, flags & HOEDOWN_LIST_ORDERED ? "<ol>\n" : "<ul>\n", 5);
if (text) hoedown_buffer_put(ob, text->data, text->size);
hoedown_buffer_put(ob, flags & HOEDOWN_LIST_ORDERED ? "</ol>\n" : "</ul>\n", 6);
}
static void
rndr_table_body(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data)
{
if (ob->size) hoedown_buffer_putc(ob, '\n');
HOEDOWN_BUFPUTSL(ob, "<tbody>\n");
hoedown_buffer_put(ob, content->data, content->size);
HOEDOWN_BUFPUTSL(ob, "</tbody>\n");
}
static void
rndr_list(hoedown_buffer *ob, const hoedown_buffer *content, hoedown_list_flags flags, const hoedown_renderer_data *data)
{
if (ob->size) hoedown_buffer_putc(ob, '\n');
hoedown_buffer_put(ob, (const uint8_t *)(flags & HOEDOWN_LIST_ORDERED ? "<ol>\n" : "<ul>\n"), 5);
if (content) hoedown_buffer_put(ob, content->data, content->size);
hoedown_buffer_put(ob, (const uint8_t *)(flags & HOEDOWN_LIST_ORDERED ? "</ol>\n" : "</ul>\n"), 6);
}
static void
rndr_blockquote(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data)
{
if (ob->size) hoedown_buffer_putc(ob, '\n');
HOEDOWN_BUFPUTSL(ob, "<blockquote>\n");
if (content) hoedown_buffer_put(ob, content->data, content->size);
HOEDOWN_BUFPUTSL(ob, "</blockquote>\n");
}
static void
rndr_blockquote(hoedown_buffer *ob, const hoedown_buffer *text, void *opaque)
{
if (ob->size) hoedown_buffer_putc(ob, '\n');
HOEDOWN_BUFPUTSL(ob, "<blockquote>\n");
if (text) hoedown_buffer_put(ob, text->data, text->size);
HOEDOWN_BUFPUTSL(ob, "</blockquote>\n");
}
static void
rndr_blockcode(struct hoedown_buffer *ob, const struct hoedown_buffer *text, const struct hoedown_buffer *lang, void *opaque)
{
struct hoedown_html_renderopt *options = opaque;
if (ob->size) hoedown_buffer_putc(ob, '\n');
if (lang && lang->size) {
size_t i, cls = 0;
if (options->flags & HOEDOWN_HTML_PRETTIFY) {
BUFPUTSL(ob, "<pre><code class=\"prettyprint");
cls++;
} else {
BUFPUTSL(ob, "<pre><code class=\"");
}
for (i = 0; i < lang->size; ++i, ++cls) {
while (i < lang->size && isspace(lang->data[i]))
i++;
if (i < lang->size) {
size_t org = i;
while (i < lang->size && !isspace(lang->data[i]))
i++;
if (lang->data[org] == '.')
org++;
if (cls) hoedown_buffer_putc(ob, ' ');
escape_html(ob, lang->data + org, i - org);
}
}
BUFPUTSL(ob, "\">");
} else if (options->flags & HOEDOWN_HTML_PRETTIFY) {
BUFPUTSL(ob, "<pre><code class=\"prettyprint\">");
} else {
BUFPUTSL(ob, "<pre><code>");
}
if (text)
escape_html(ob, text->data, text->size);
BUFPUTSL(ob, "</code></pre>\n");
}
static void
rndr_normal_text(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data)
{
int escaped = hoedown_document_is_escaped(((hoedown_context_test_renderer_state*) data->opaque)->doc);
if (escaped) {
hoedown_buffer_putc(ob, '\\');
}
if (content) hoedown_buffer_put(ob, content->data, content->size);
}
/********************
* 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;
}
static void
rndr_table(hoedown_buffer *ob, const hoedown_buffer *header, const hoedown_buffer *body, void *opaque)
{
if (ob->size) hoedown_buffer_putc(ob, '\n');
HOEDOWN_BUFPUTSL(ob, "<table><thead>\n");
if (header)
hoedown_buffer_put(ob, header->data, header->size);
HOEDOWN_BUFPUTSL(ob, "</thead><tbody>\n");
if (body)
hoedown_buffer_put(ob, body->data, body->size);
HOEDOWN_BUFPUTSL(ob, "</tbody></table>\n");
}
static int
rndr_footnote_ref(hoedown_buffer *ob, unsigned int num, const hoedown_renderer_data *data)
{
const hoedown_buffer *id;
id = hoedown_document_link_id(((hoedown_context_test_renderer_state*) data->opaque)->doc);
if (id) {
hoedown_buffer_puts(ob, "id: ");
hoedown_buffer_put(ob, id->data, id->size);
}
hoedown_buffer_putc(ob, ' ');
return 1;
}
static void
rndr_footnote_def(hoedown_buffer *ob, const hoedown_buffer *content, unsigned int num, const hoedown_renderer_data *data)
{
const hoedown_buffer *id;
id = hoedown_document_footnote_id(((hoedown_context_test_renderer_state*) data->opaque)->doc);
if (id) {
hoedown_buffer_puts(ob, "id: ");
hoedown_buffer_put(ob, id->data, id->size);
}
hoedown_buffer_putc(ob, ' ');
if (content) hoedown_buffer_put(ob, content->data, content->size);
}
static void
rndr_paragraph(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data)
{
int list_depth, blockquote_depth;
list_depth = hoedown_document_list_depth(((hoedown_context_test_renderer_state*) data->opaque)->doc);
blockquote_depth = hoedown_document_blockquote_depth(((hoedown_context_test_renderer_state*) data->opaque)->doc);
hoedown_buffer_printf(ob, "list depth: %d blockquote depth: %d ", list_depth, blockquote_depth);
if (content) {
hoedown_buffer_puts(ob, "paragraph: ");
hoedown_buffer_put(ob, content->data, content->size);
}
hoedown_buffer_putc(ob, '\n');
}
static void
rndr_footnotes(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data)
{
hoedown_html_renderer_state *state = data->opaque;
if (ob->size) hoedown_buffer_putc(ob, '\n');
HOEDOWN_BUFPUTSL(ob, "<div class=\"footnotes\">\n");
hoedown_buffer_puts(ob, USE_XHTML(state) ? "<hr/>\n" : "<hr>\n");
HOEDOWN_BUFPUTSL(ob, "<ol>\n");
if (content) hoedown_buffer_put(ob, content->data, content->size);
HOEDOWN_BUFPUTSL(ob, "\n</ol>\n</div>\n");
}
static void
rndr_footnotes(struct hoedown_buffer *ob, const struct hoedown_buffer *text, void *opaque)
{
struct hoedown_html_renderopt *options = opaque;
if (ob->size) hoedown_buffer_putc(ob, '\n');
BUFPUTSL(ob, "<div class=\"footnotes\">\n");
hoedown_buffer_puts(ob, USE_XHTML(options) ? "<hr/>\n" : "<hr>\n");
BUFPUTSL(ob, "<ol>\n");
if (text)
hoedown_buffer_put(ob, text->data, text->size);
BUFPUTSL(ob, "\n</ol>\n</div>\n");
}
static void
rndr_header(hoedown_buffer *ob, const hoedown_buffer *text, int level, void *opaque)
{
hoedown_html_renderer_state *state = opaque;
if (ob->size)
hoedown_buffer_putc(ob, '\n');
if ((state->flags & HOEDOWN_HTML_TOC) && (level <= state->toc_data.nesting_level))
hoedown_buffer_printf(ob, "<h%d id=\"toc_%d\">", level, state->toc_data.header_count++);
else
hoedown_buffer_printf(ob, "<h%d>", level);
if (text) hoedown_buffer_put(ob, text->data, text->size);
hoedown_buffer_printf(ob, "</h%d>\n", level);
}