static void md_block_external_images(cmark_iter *const iter) {
for(;;) {
cmark_event_type const event = cmark_iter_next(iter);
if(CMARK_EVENT_DONE == event) break;
if(CMARK_EVENT_EXIT != event) continue;
cmark_node *const node = cmark_iter_get_node(iter);
if(CMARK_NODE_IMAGE != cmark_node_get_type(node)) continue;
char const *const URI = cmark_node_get_url(node);
if(URI) {
if(0 == strncasecmp(URI, STR_LEN("hash:"))) continue;
if(0 == strncasecmp(URI, STR_LEN("data:"))) continue;
}
cmark_node *link = cmark_node_new(CMARK_NODE_LINK);
cmark_node *text = cmark_node_new(CMARK_NODE_TEXT);
cmark_node_set_url(link, URI);
for(;;) {
cmark_node *child = cmark_node_first_child(node);
if(!child) break;
cmark_node_append_child(link, child);
}
if(cmark_node_first_child(link)) {
cmark_node_set_literal(text, " (external image)");
} else {
cmark_node_set_literal(text, "(external image)");
}
cmark_node_append_child(link, text);
cmark_node_insert_before(node, link);
cmark_node_free(node);
}
}
static cmark_node *param_ref_match(cmark_syntax_extension *self,
cmark_parser *parser,
cmark_node *parent,
cmark_inline_parser *inline_parser) {
cmark_node *emph, *text_node;
char *param_name;
char prev_char;
ParsingContext context;
context.parser = inline_parser;
context.allow_dashes = 0;
prev_char = cmark_inline_parser_peek_at(
inline_parser,
cmark_inline_parser_get_offset(inline_parser) - 1);
if (prev_char && prev_char != ' ' && prev_char != '\t' && prev_char != '\n')
return NULL;
cmark_inline_parser_advance_offset(inline_parser);
param_name = cmark_inline_parser_take_while(inline_parser,
(CMarkInlinePredicate) is_valid_c, &context);
if (!param_name)
return NULL;
emph = cmark_node_new(CMARK_NODE_EMPH);
text_node = cmark_node_new(CMARK_NODE_TEXT);
cmark_node_append_child(emph, text_node);
cmark_node_set_literal(text_node, param_name);
free(param_name);
return emph;
}
static CMARK_INLINE cmark_node *make_autolink(cmark_mem *mem, cmark_chunk url,
int is_email) {
cmark_node *link = make_simple(mem, CMARK_NODE_LINK);
link->as.link.url = cmark_clean_autolink(mem, &url, is_email);
link->as.link.title = cmark_chunk_literal("");
cmark_node_append_child(link, make_str_with_entities(mem, &url));
return link;
}
static void md_autolink(cmark_iter *const iter) {
regex_t linkify[1];
// <http://daringfireball.net/2010/07/improved_regex_for_matching_urls>
// Painstakingly ported to POSIX
int rc = regcomp(linkify, "([a-z][a-z0-9_-]+:(/{1,3}|[a-z0-9%])|www[0-9]{0,3}[.]|[a-z0-9.-]+[.][a-z]{2,4}/)([^[:space:]()<>]+|\\(([^[:space:]()<>]+|(\\([^[:space:]()<>]+\\)))*\\))+(\\(([^[:space:]()<>]+|(\\([^[:space:]()<>]+\\)))*\\)|[^][[:space:]`!(){};:'\".,<>?«»“”‘’])", REG_ICASE | REG_EXTENDED);
assert(0 == rc);
for(;;) {
cmark_event_type const event = cmark_iter_next(iter);
if(CMARK_EVENT_DONE == event) break;
if(CMARK_EVENT_ENTER != event) continue;
cmark_node *const node = cmark_iter_get_node(iter);
if(CMARK_NODE_TEXT != cmark_node_get_type(node)) continue;
char const *const str = cmark_node_get_literal(node);
char const *pos = str;
regmatch_t match;
while(0 == regexec(linkify, pos, 1, &match, 0)) {
regoff_t const loc = match.rm_so;
regoff_t const len = match.rm_eo - match.rm_so;
char *pfx = strndup(pos, loc);
char *link_abs = strndup(pos+loc, len);
char *link_rel = aasprintf("/history/%s", link_abs);
assert(pfx);
assert(link_abs);
assert(link_rel);
cmark_node *text = cmark_node_new(CMARK_NODE_TEXT);
cmark_node_set_literal(text, pfx);
cmark_node *link = cmark_node_new(CMARK_NODE_LINK);
cmark_node_set_url(link, link_rel);
cmark_node *sup = superscript("^", "", link_abs);
cmark_node *face = cmark_node_new(CMARK_NODE_TEXT);
cmark_node_set_literal(face, link_abs);
cmark_node_append_child(link, face);
cmark_node_insert_before(node, text);
cmark_node_insert_before(node, link);
cmark_node_insert_before(node, sup);
free(pfx); pfx = NULL;
free(link_abs); link_abs = NULL;
free(link_rel); link_rel = NULL;
pos += loc+len;
}
if(str != pos) {
cmark_node *text = cmark_node_new(CMARK_NODE_TEXT);
cmark_node_set_literal(text, pos);
cmark_node_insert_before(node, text);
cmark_node_free(node);
}
}
regfree(linkify);
}
static delimiter *S_insert_emph(subject *subj, delimiter *opener,
delimiter *closer) {
delimiter *delim, *tmp_delim;
bufsize_t use_delims;
cmark_node *opener_inl = opener->inl_text;
cmark_node *closer_inl = closer->inl_text;
bufsize_t opener_num_chars = opener_inl->as.literal.len;
bufsize_t closer_num_chars = closer_inl->as.literal.len;
cmark_node *tmp, *tmpnext, *emph;
// calculate the actual number of characters used from this closer
use_delims = (closer_num_chars >= 2 && opener_num_chars >=2) ? 2 : 1;
// remove used characters from associated inlines.
opener_num_chars -= use_delims;
closer_num_chars -= use_delims;
opener_inl->as.literal.len = opener_num_chars;
closer_inl->as.literal.len = closer_num_chars;
// free delimiters between opener and closer
delim = closer->previous;
while (delim != NULL && delim != opener) {
tmp_delim = delim->previous;
remove_delimiter(subj, delim);
delim = tmp_delim;
}
// create new emph or strong, and splice it in to our inlines
// between the opener and closer
emph = use_delims == 1 ? make_emph(subj->mem) : make_strong(subj->mem);
tmp = opener_inl->next;
while (tmp && tmp != closer_inl) {
tmpnext = tmp->next;
cmark_node_append_child(emph, tmp);
tmp = tmpnext;
}
cmark_node_insert_after(opener_inl, emph);
// if opener has 0 characters, remove it and its associated inline
if (opener_num_chars == 0) {
cmark_node_free(opener_inl);
remove_delimiter(subj, opener);
}
// if closer has 0 characters, remove it and its associated inline
if (closer_num_chars == 0) {
// remove empty closer inline
cmark_node_free(closer_inl);
// remove closer from list
tmp_delim = closer->next;
remove_delimiter(subj, closer);
closer = tmp_delim;
}
return closer;
}
static cmark_node *www_match(cmark_parser *parser, cmark_node *parent,
cmark_inline_parser *inline_parser) {
cmark_chunk *chunk = cmark_inline_parser_get_chunk(inline_parser);
size_t max_rewind = cmark_inline_parser_get_offset(inline_parser);
uint8_t *data = chunk->data + max_rewind;
size_t size = chunk->len - max_rewind;
int start = cmark_inline_parser_get_column(inline_parser);
size_t link_end;
if (max_rewind > 0 && strchr("*_~(", data[-1]) == NULL &&
!cmark_isspace(data[-1]))
return 0;
if (size < 4 || memcmp(data, "www.", strlen("www.")) != 0)
return 0;
link_end = check_domain(data, size, 0);
if (link_end == 0)
return NULL;
while (link_end < size && !cmark_isspace(data[link_end]))
link_end++;
link_end = autolink_delim(data, link_end);
if (link_end == 0)
return NULL;
cmark_inline_parser_set_offset(inline_parser, (int)(max_rewind + link_end));
cmark_node *node = cmark_node_new_with_mem(CMARK_NODE_LINK, parser->mem);
cmark_strbuf buf;
cmark_strbuf_init(parser->mem, &buf, 10);
cmark_strbuf_puts(&buf, "http://");
cmark_strbuf_put(&buf, data, (bufsize_t)link_end);
node->as.link.url = cmark_chunk_buf_detach(&buf);
cmark_node *text = cmark_node_new_with_mem(CMARK_NODE_TEXT, parser->mem);
text->as.literal =
cmark_chunk_dup(chunk, (bufsize_t)max_rewind, (bufsize_t)link_end);
cmark_node_append_child(node, text);
node->start_line = text->start_line =
node->end_line = text->end_line =
cmark_inline_parser_get_line(inline_parser);
node->start_column = text->start_column = start - 1;
node->end_column = text->end_column = cmark_inline_parser_get_column(inline_parser) - 1;
return node;
}
static cmark_node *superscript(char const *const label, char const *const title, char const *const link) {
cmark_node *node = cmark_node_new(CMARK_NODE_CUSTOM_INLINE);
cmark_node *a = cmark_node_new(CMARK_NODE_LINK);
cmark_node_set_url(a, link);
cmark_node_set_title(a, title);
cmark_node *op = cmark_node_new(CMARK_NODE_INLINE_HTML);
cmark_node_set_literal(op, "<sup>[");
cmark_node *ed = cmark_node_new(CMARK_NODE_INLINE_HTML);
cmark_node_set_literal(ed, "]</sup>");
cmark_node *face = cmark_node_new(CMARK_NODE_TEXT);
cmark_node_set_literal(face, label);
cmark_node_append_child(a, face);
cmark_node_append_child(node, op);
cmark_node_append_child(node, a);
cmark_node_append_child(node, ed);
return node;
}
static cmark_node *url_match(cmark_parser *parser, cmark_node *parent,
cmark_inline_parser *inline_parser) {
size_t link_end, domain_len;
int rewind = 0;
cmark_chunk *chunk = cmark_inline_parser_get_chunk(inline_parser);
int max_rewind = cmark_inline_parser_get_offset(inline_parser);
uint8_t *data = chunk->data + max_rewind;
size_t size = chunk->len - max_rewind;
if (size < 4 || data[1] != '/' || data[2] != '/')
return 0;
while (rewind < max_rewind && cmark_isalpha(data[-rewind - 1]))
rewind++;
if (!sd_autolink_issafe(data - rewind, size + rewind))
return 0;
link_end = strlen("://");
domain_len = check_domain(data + link_end, size - link_end, 1);
if (domain_len == 0)
return 0;
link_end += domain_len;
while (link_end < size && !cmark_isspace(data[link_end]))
link_end++;
link_end = autolink_delim(data, link_end);
if (link_end == 0)
return NULL;
cmark_inline_parser_set_offset(inline_parser, (int)(max_rewind + link_end));
cmark_node_unput(parent, rewind);
cmark_node *node = cmark_node_new_with_mem(CMARK_NODE_LINK, parser->mem);
cmark_chunk url = cmark_chunk_dup(chunk, max_rewind - rewind,
(bufsize_t)(link_end + rewind));
node->as.link.url = url;
cmark_node *text = cmark_node_new_with_mem(CMARK_NODE_TEXT, parser->mem);
text->as.literal = url;
cmark_node_append_child(node, text);
return node;
}
static void md_escape(cmark_iter *const iter) {
for(;;) {
cmark_event_type const event = cmark_iter_next(iter);
if(CMARK_EVENT_DONE == event) break;
if(CMARK_EVENT_ENTER != event) continue;
cmark_node *const node = cmark_iter_get_node(iter);
if(CMARK_NODE_HTML != cmark_node_get_type(node)) continue;
char const *const str = cmark_node_get_literal(node);
cmark_node *p = cmark_node_new(CMARK_NODE_PARAGRAPH);
cmark_node *text = cmark_node_new(CMARK_NODE_TEXT);
cmark_node_set_literal(text, str);
cmark_node_append_child(p, text);
cmark_node_insert_before(node, p);
cmark_node_free(node);
}
}
static delimiter *insert(cmark_syntax_extension *self, cmark_parser *parser,
cmark_inline_parser *inline_parser, delimiter *opener,
delimiter *closer) {
cmark_node *strikethrough;
cmark_node *tmp, *next;
delimiter *delim, *tmp_delim;
delimiter *res = closer->next;
strikethrough = opener->inl_text;
if (!cmark_node_set_type(strikethrough, CMARK_NODE_STRIKETHROUGH))
goto done;
cmark_node_set_syntax_extension(strikethrough, self);
cmark_node_set_string_content(strikethrough, "~");
tmp = cmark_node_next(opener->inl_text);
while (tmp) {
if (tmp == closer->inl_text)
break;
next = cmark_node_next(tmp);
cmark_node_append_child(strikethrough, tmp);
tmp = next;
}
strikethrough->end_column = closer->inl_text->start_column + closer->inl_text->as.literal.len - 1;
cmark_node_free(closer->inl_text);
delim = closer;
while (delim != NULL && delim != opener) {
tmp_delim = delim->previous;
cmark_inline_parser_remove_delimiter(inline_parser, delim);
delim = tmp_delim;
}
cmark_inline_parser_remove_delimiter(inline_parser, opener);
done:
return res;
}
static void
test_content(test_batch_runner *runner, cmark_node_type type,
int allowed_content)
{
cmark_node *node = cmark_node_new(type);
for (int i = 0; i < num_node_types; ++i) {
cmark_node_type child_type = node_types[i];
cmark_node *child = cmark_node_new(child_type);
int got = cmark_node_append_child(node, child);
int expected = (allowed_content >> child_type) & 1;
INT_EQ(runner, got, expected,
"add %d as child of %d", child_type, type);
cmark_node_free(child);
}
cmark_node_free(node);
}
// Parse an inline, advancing subject, and add it as a child of parent.
// Return 0 if no inline can be parsed, 1 otherwise.
static int parse_inline(subject* subj, cmark_node * parent, int options)
{
cmark_node* new_inl = NULL;
cmark_chunk contents;
unsigned char c;
int endpos;
c = peek_char(subj);
if (c == 0) {
return 0;
}
switch(c) {
case '\n':
new_inl = handle_newline(subj);
break;
case '`':
new_inl = handle_backticks(subj);
break;
case '\\':
new_inl = handle_backslash(subj);
break;
case '&':
new_inl = handle_entity(subj);
break;
case '<':
new_inl = handle_pointy_brace(subj);
break;
case '*':
case '_':
case '\'':
case '"':
new_inl = handle_delim(subj, c, options & CMARK_OPT_SMART);
break;
case '-':
new_inl = handle_hyphen(subj, options & CMARK_OPT_SMART);
break;
case '.':
new_inl = handle_period(subj, options & CMARK_OPT_SMART);
break;
case '[':
advance(subj);
new_inl = make_str(cmark_chunk_literal("["));
push_delimiter(subj, '[', true, false, new_inl);
break;
case ']':
new_inl = handle_close_bracket(subj, parent);
break;
case '!':
advance(subj);
if (peek_char(subj) == '[') {
advance(subj);
new_inl = make_str(cmark_chunk_literal("!["));
push_delimiter(subj, '!', false, true, new_inl);
} else {
new_inl = make_str(cmark_chunk_literal("!"));
}
break;
default:
endpos = subject_find_special_char(subj, options);
contents = cmark_chunk_dup(&subj->input, subj->pos, endpos - subj->pos);
subj->pos = endpos;
// if we're at a newline, strip trailing spaces.
if (peek_char(subj) == '\n') {
cmark_chunk_rtrim(&contents);
}
new_inl = make_str(contents);
}
if (new_inl != NULL) {
cmark_node_append_child(parent, new_inl);
}
return 1;
}
static void postprocess_text(cmark_parser *parser, cmark_node *text, int offset) {
size_t link_end;
uint8_t *data = text->as.literal.data,
*at;
size_t size = text->as.literal.len;
int rewind, max_rewind,
nb = 0, np = 0, ns = 0;
if (offset < 0 || (size_t)offset >= size)
return;
data += offset;
size -= offset;
at = (uint8_t *)memchr(data, '@', size);
if (!at)
return;
max_rewind = (int)(at - data);
data += max_rewind;
size -= max_rewind;
for (rewind = 0; rewind < max_rewind; ++rewind) {
uint8_t c = data[-rewind - 1];
if (cmark_isalnum(c))
continue;
if (strchr(".+-_", c) != NULL)
continue;
if (c == '/')
ns++;
break;
}
if (rewind == 0 || ns > 0) {
postprocess_text(parser, text, max_rewind + 1 + offset);
return;
}
for (link_end = 0; link_end < size; ++link_end) {
uint8_t c = data[link_end];
if (cmark_isalnum(c))
continue;
if (c == '@')
nb++;
else if (c == '.' && link_end < size - 1 && cmark_isalnum(data[link_end + 1]))
np++;
else if (c != '-' && c != '_')
break;
}
if (link_end < 2 || nb != 1 || np == 0 ||
(!cmark_isalpha(data[link_end - 1]) && data[link_end - 1] != '.')) {
postprocess_text(parser, text, max_rewind + 1 + offset);
return;
}
link_end = autolink_delim(data, link_end);
if (link_end == 0) {
postprocess_text(parser, text, max_rewind + 1 + offset);
return;
}
cmark_chunk_to_cstr(parser->mem, &text->as.literal);
cmark_node *link_node = cmark_node_new_with_mem(CMARK_NODE_LINK, parser->mem);
cmark_strbuf buf;
cmark_strbuf_init(parser->mem, &buf, 10);
cmark_strbuf_puts(&buf, "mailto:");
cmark_strbuf_put(&buf, data - rewind, (bufsize_t)(link_end + rewind));
link_node->as.link.url = cmark_chunk_buf_detach(&buf);
cmark_node *link_text = cmark_node_new_with_mem(CMARK_NODE_TEXT, parser->mem);
cmark_chunk email = cmark_chunk_dup(
&text->as.literal,
offset + max_rewind - rewind,
(bufsize_t)(link_end + rewind));
cmark_chunk_to_cstr(parser->mem, &email);
link_text->as.literal = email;
cmark_node_append_child(link_node, link_text);
cmark_node_insert_after(text, link_node);
cmark_node *post = cmark_node_new_with_mem(CMARK_NODE_TEXT, parser->mem);
post->as.literal = cmark_chunk_dup(&text->as.literal,
(bufsize_t)(offset + max_rewind + link_end),
(bufsize_t)(size - link_end));
cmark_chunk_to_cstr(parser->mem, &post->as.literal);
cmark_node_insert_after(link_node, post);
text->as.literal.len = offset + max_rewind - rewind;
text->as.literal.data[text->as.literal.len] = 0;
postprocess_text(parser, post, 0);
}
// Return a link, an image, or a literal close bracket.
static cmark_node *handle_close_bracket(subject *subj) {
bufsize_t initial_pos, after_link_text_pos;
bufsize_t endurl, starttitle, endtitle, endall;
bufsize_t sps, n;
cmark_reference *ref = NULL;
cmark_chunk url_chunk, title_chunk;
cmark_chunk url, title;
bracket *opener;
cmark_node *inl;
cmark_chunk raw_label;
int found_label;
cmark_node *tmp, *tmpnext;
bool is_image;
advance(subj); // advance past ]
initial_pos = subj->pos;
// get last [ or ![
opener = subj->last_bracket;
if (opener == NULL) {
return make_str(subj->mem, cmark_chunk_literal("]"));
}
if (!opener->active) {
// take delimiter off stack
pop_bracket(subj);
return make_str(subj->mem, cmark_chunk_literal("]"));
}
// If we got here, we matched a potential link/image text.
// Now we check to see if it's a link/image.
is_image = opener->image;
after_link_text_pos = subj->pos;
// First, look for an inline link.
if (peek_char(subj) == '(' &&
((sps = scan_spacechars(&subj->input, subj->pos + 1)) > -1) &&
((n = manual_scan_link_url(&subj->input, subj->pos + 1 + sps, &url_chunk)) > -1)) {
// try to parse an explicit link:
endurl = subj->pos + 1 + sps + n;
starttitle = endurl + scan_spacechars(&subj->input, endurl);
// ensure there are spaces btw url and title
endtitle = (starttitle == endurl)
? starttitle
: starttitle + scan_link_title(&subj->input, starttitle);
endall = endtitle + scan_spacechars(&subj->input, endtitle);
if (peek_at(subj, endall) == ')') {
subj->pos = endall + 1;
title_chunk =
cmark_chunk_dup(&subj->input, starttitle, endtitle - starttitle);
url = cmark_clean_url(subj->mem, &url_chunk);
title = cmark_clean_title(subj->mem, &title_chunk);
cmark_chunk_free(subj->mem, &url_chunk);
cmark_chunk_free(subj->mem, &title_chunk);
goto match;
} else {
// it could still be a shortcut reference link
subj->pos = after_link_text_pos;
}
}
// Next, look for a following [link label] that matches in refmap.
// skip spaces
raw_label = cmark_chunk_literal("");
found_label = link_label(subj, &raw_label);
if (!found_label) {
// If we have a shortcut reference link, back up
// to before the spacse we skipped.
subj->pos = initial_pos;
}
if ((!found_label || raw_label.len == 0) && !opener->bracket_after) {
cmark_chunk_free(subj->mem, &raw_label);
raw_label = cmark_chunk_dup(&subj->input, opener->position,
initial_pos - opener->position - 1);
found_label = true;
}
if (found_label) {
ref = cmark_reference_lookup(subj->refmap, &raw_label);
cmark_chunk_free(subj->mem, &raw_label);
}
if (ref != NULL) { // found
url = chunk_clone(subj->mem, &ref->url);
title = chunk_clone(subj->mem, &ref->title);
goto match;
} else {
goto noMatch;
}
noMatch:
// If we fall through to here, it means we didn't match a link:
pop_bracket(subj); // remove this opener from delimiter list
subj->pos = initial_pos;
return make_str(subj->mem, cmark_chunk_literal("]"));
match:
inl = make_simple(subj->mem, is_image ? CMARK_NODE_IMAGE : CMARK_NODE_LINK);
inl->as.link.url = url;
inl->as.link.title = title;
cmark_node_insert_before(opener->inl_text, inl);
// Add link text:
tmp = opener->inl_text->next;
while (tmp) {
tmpnext = tmp->next;
cmark_node_append_child(inl, tmp);
tmp = tmpnext;
}
// Free the bracket [:
cmark_node_free(opener->inl_text);
process_emphasis(subj, opener->previous_delimiter);
pop_bracket(subj);
// Now, if we have a link, we also want to deactivate earlier link
// delimiters. (This code can be removed if we decide to allow links
// inside links.)
if (!is_image) {
opener = subj->last_bracket;
while (opener != NULL) {
if (!opener->image) {
if (!opener->active) {
break;
} else {
opener->active = false;
}
}
opener = opener->previous;
}
}
return NULL;
}
void
hierarchy(test_batch_runner *runner)
{
cmark_node *bquote1 = cmark_node_new(CMARK_NODE_BLOCK_QUOTE);
cmark_node *bquote2 = cmark_node_new(CMARK_NODE_BLOCK_QUOTE);
cmark_node *bquote3 = cmark_node_new(CMARK_NODE_BLOCK_QUOTE);
OK(runner, cmark_node_append_child(bquote1, bquote2),
"append bquote2");
OK(runner, cmark_node_append_child(bquote2, bquote3),
"append bquote3");
OK(runner, !cmark_node_append_child(bquote3, bquote3),
"adding a node as child of itself fails");
OK(runner, !cmark_node_append_child(bquote3, bquote1),
"adding a parent as child fails");
cmark_node_free(bquote1);
int max_node_type = CMARK_NODE_LAST_BLOCK > CMARK_NODE_LAST_INLINE
? CMARK_NODE_LAST_BLOCK : CMARK_NODE_LAST_INLINE;
OK(runner, max_node_type < 32, "all node types < 32");
int list_item_flag = 1 << CMARK_NODE_ITEM;
int top_level_blocks =
(1 << CMARK_NODE_BLOCK_QUOTE) |
(1 << CMARK_NODE_LIST) |
(1 << CMARK_NODE_CODE_BLOCK) |
(1 << CMARK_NODE_HTML) |
(1 << CMARK_NODE_PARAGRAPH) |
(1 << CMARK_NODE_HEADER) |
(1 << CMARK_NODE_HRULE);
int all_inlines =
(1 << CMARK_NODE_TEXT) |
(1 << CMARK_NODE_SOFTBREAK) |
(1 << CMARK_NODE_LINEBREAK) |
(1 << CMARK_NODE_CODE) |
(1 << CMARK_NODE_INLINE_HTML) |
(1 << CMARK_NODE_EMPH) |
(1 << CMARK_NODE_STRONG) |
(1 << CMARK_NODE_LINK) |
(1 << CMARK_NODE_IMAGE);
test_content(runner, CMARK_NODE_DOCUMENT, top_level_blocks);
test_content(runner, CMARK_NODE_BLOCK_QUOTE, top_level_blocks);
test_content(runner, CMARK_NODE_LIST, list_item_flag);
test_content(runner, CMARK_NODE_ITEM, top_level_blocks);
test_content(runner, CMARK_NODE_CODE_BLOCK , 0);
test_content(runner, CMARK_NODE_HTML, 0);
test_content(runner, CMARK_NODE_PARAGRAPH, all_inlines);
test_content(runner, CMARK_NODE_HEADER, all_inlines);
test_content(runner, CMARK_NODE_HRULE, 0);
test_content(runner, CMARK_NODE_TEXT, 0);
test_content(runner, CMARK_NODE_SOFTBREAK, 0);
test_content(runner, CMARK_NODE_LINEBREAK, 0);
test_content(runner, CMARK_NODE_CODE, 0);
test_content(runner, CMARK_NODE_INLINE_HTML, 0);
test_content(runner, CMARK_NODE_EMPH, all_inlines);
test_content(runner, CMARK_NODE_STRONG, all_inlines);
test_content(runner, CMARK_NODE_LINK, all_inlines);
test_content(runner, CMARK_NODE_IMAGE, all_inlines);
}
static void
create_tree(test_batch_runner *runner)
{
char *html;
cmark_node *doc = cmark_node_new(CMARK_NODE_DOCUMENT);
cmark_node *p = cmark_node_new(CMARK_NODE_PARAGRAPH);
OK(runner, !cmark_node_insert_before(doc, p),
"insert before root fails");
OK(runner, !cmark_node_insert_after(doc, p),
"insert after root fails");
OK(runner, cmark_node_append_child(doc, p), "append1");
INT_EQ(runner, cmark_node_check(doc, NULL), 0, "append1 consistent");
OK(runner, cmark_node_parent(p) == doc, "node_parent");
cmark_node *emph = cmark_node_new(CMARK_NODE_EMPH);
OK(runner, cmark_node_prepend_child(p, emph), "prepend1");
INT_EQ(runner, cmark_node_check(doc, NULL), 0, "prepend1 consistent");
cmark_node *str1 = cmark_node_new(CMARK_NODE_TEXT);
cmark_node_set_literal(str1, "Hello, ");
OK(runner, cmark_node_prepend_child(p, str1), "prepend2");
INT_EQ(runner, cmark_node_check(doc, NULL), 0, "prepend2 consistent");
cmark_node *str3 = cmark_node_new(CMARK_NODE_TEXT);
cmark_node_set_literal(str3, "!");
OK(runner, cmark_node_append_child(p, str3), "append2");
INT_EQ(runner, cmark_node_check(doc, NULL), 0, "append2 consistent");
cmark_node *str2 = cmark_node_new(CMARK_NODE_TEXT);
cmark_node_set_literal(str2, "world");
OK(runner, cmark_node_append_child(emph, str2), "append3");
INT_EQ(runner, cmark_node_check(doc, NULL), 0, "append3 consistent");
html = cmark_render_html(doc, CMARK_OPT_DEFAULT);
STR_EQ(runner, html, "<p>Hello, <em>world</em>!</p>\n",
"render_html");
free(html);
OK(runner, cmark_node_insert_before(str1, str3), "ins before1");
INT_EQ(runner, cmark_node_check(doc, NULL), 0,
"ins before1 consistent");
// 31e
OK(runner, cmark_node_first_child(p) == str3, "ins before1 works");
OK(runner, cmark_node_insert_before(str1, emph), "ins before2");
INT_EQ(runner, cmark_node_check(doc, NULL), 0,
"ins before2 consistent");
// 3e1
OK(runner, cmark_node_last_child(p) == str1, "ins before2 works");
OK(runner, cmark_node_insert_after(str1, str3), "ins after1");
INT_EQ(runner, cmark_node_check(doc, NULL), 0,
"ins after1 consistent");
// e13
OK(runner, cmark_node_next(str1) == str3, "ins after1 works");
OK(runner, cmark_node_insert_after(str1, emph), "ins after2");
INT_EQ(runner, cmark_node_check(doc, NULL), 0,
"ins after2 consistent");
// 1e3
OK(runner, cmark_node_previous(emph) == str1, "ins after2 works");
cmark_node_unlink(emph);
html = cmark_render_html(doc, CMARK_OPT_DEFAULT);
STR_EQ(runner, html, "<p>Hello, !</p>\n",
"render_html after shuffling");
free(html);
cmark_node_free(doc);
// TODO: Test that the contents of an unlinked inline are valid
// after the parent block was destroyed. This doesn't work so far.
cmark_node_free(emph);
}