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 void md_convert_hashes(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);
cmark_node_type const type = cmark_node_get_type(node);
if(CMARK_NODE_LINK != type && CMARK_NODE_IMAGE != type) continue;
char const *const URI = cmark_node_get_url(node);
if(!URI) continue;
if(0 != strncasecmp(URI, STR_LEN("hash:"))) continue;
cmark_node *sup = superscript("#", HASH_INFO_MSG, URI);
cmark_node_insert_after(node, sup);
cmark_iter_reset(iter, sup, CMARK_EVENT_EXIT);
char *escaped = QSEscape(URI, strlen(URI), true);
size_t const elen = strlen(escaped);
cmark_strbuf rel[1];
char const qpfx[] = "/sources/";
cmark_strbuf_init(&DEFAULT_MEM_ALLOCATOR, rel, sizeof(qpfx)-1+elen);
cmark_strbuf_put(rel, (unsigned char const *)qpfx, sizeof(qpfx)-1);
cmark_strbuf_put(rel, (unsigned char const *)escaped, elen);
free(escaped); escaped = NULL;
cmark_node_set_url(node, cmark_strbuf_cstr(rel));
cmark_strbuf_free(rel);
}
}
static link_type get_link_type(cmark_node *node) {
size_t title_len, url_len;
cmark_node *link_text;
char *realurl;
int realurllen;
bool isemail = false;
if (node->type != CMARK_NODE_LINK) {
return NO_LINK;
}
const char *url = cmark_node_get_url(node);
cmark_chunk url_chunk = cmark_chunk_literal(url);
if (url && *url == '#') {
return INTERNAL_LINK;
}
url_len = strlen(url);
if (url_len == 0 || scan_scheme(&url_chunk, 0) == 0) {
return NO_LINK;
}
const char *title = cmark_node_get_title(node);
title_len = strlen(title);
// if it has a title, we can't treat it as an autolink:
if (title_len == 0) {
link_text = node->first_child;
cmark_consolidate_text_nodes(link_text);
if (!link_text)
return NO_LINK;
realurl = (char *)url;
realurllen = (int)url_len;
if (strncmp(realurl, "mailto:", 7) == 0) {
realurl += 7;
realurllen -= 7;
isemail = true;
}
if (realurllen == link_text->as.literal.len &&
strncmp(realurl, (char *)link_text->as.literal.data,
link_text->as.literal.len) == 0) {
if (isemail) {
return EMAIL_AUTOLINK;
} else {
return URL_AUTOLINK;
}
}
}
return NORMAL_LINK;
}
static int S_render_node(cmark_renderer *renderer, cmark_node *node,
cmark_event_type ev_type, int options) {
cmark_node *tmp;
int list_number;
cmark_delim_type list_delim;
int numticks;
bool extra_spaces;
int i;
bool entering = (ev_type == CMARK_EVENT_ENTER);
const char *info, *code, *title;
char fencechar[2] = {'\0', '\0'};
size_t info_len, code_len;
char listmarker[LISTMARKER_SIZE];
char *emph_delim;
bool first_in_list_item;
bufsize_t marker_width;
bool allow_wrap = renderer->width > 0 && !(CMARK_OPT_NOBREAKS & options) &&
!(CMARK_OPT_HARDBREAKS & options);
// Don't adjust tight list status til we've started the list.
// Otherwise we loose the blank line between a paragraph and
// a following list.
if (!(node->type == CMARK_NODE_ITEM && node->prev == NULL && entering)) {
tmp = get_containing_block(node);
renderer->in_tight_list_item =
tmp && // tmp might be NULL if there is no containing block
((tmp->type == CMARK_NODE_ITEM &&
cmark_node_get_list_tight(tmp->parent)) ||
(tmp && tmp->parent && tmp->parent->type == CMARK_NODE_ITEM &&
cmark_node_get_list_tight(tmp->parent->parent)));
}
switch (node->type) {
case CMARK_NODE_DOCUMENT:
break;
case CMARK_NODE_BLOCK_QUOTE:
if (entering) {
LIT("> ");
renderer->begin_content = true;
cmark_strbuf_puts(renderer->prefix, "> ");
} else {
cmark_strbuf_truncate(renderer->prefix, renderer->prefix->size - 2);
BLANKLINE();
}
break;
case CMARK_NODE_LIST:
if (!entering && node->next && (node->next->type == CMARK_NODE_CODE_BLOCK ||
node->next->type == CMARK_NODE_LIST)) {
// this ensures that a following indented code block or list will be
// inteprereted correctly.
CR();
LIT("<!-- end list -->");
BLANKLINE();
}
break;
case CMARK_NODE_ITEM:
if (cmark_node_get_list_type(node->parent) == CMARK_BULLET_LIST) {
marker_width = 4;
} else {
list_number = cmark_node_get_list_start(node->parent);
list_delim = cmark_node_get_list_delim(node->parent);
tmp = node;
while (tmp->prev) {
tmp = tmp->prev;
list_number += 1;
}
// we ensure a width of at least 4 so
// we get nice transition from single digits
// to double
snprintf(listmarker, LISTMARKER_SIZE, "%d%s%s", list_number,
list_delim == CMARK_PAREN_DELIM ? ")" : ".",
list_number < 10 ? " " : " ");
marker_width = strlen(listmarker);
}
if (entering) {
if (cmark_node_get_list_type(node->parent) == CMARK_BULLET_LIST) {
LIT(" - ");
renderer->begin_content = true;
} else {
LIT(listmarker);
renderer->begin_content = true;
}
for (i = marker_width; i--;) {
cmark_strbuf_putc(renderer->prefix, ' ');
}
} else {
cmark_strbuf_truncate(renderer->prefix,
renderer->prefix->size - marker_width);
CR();
}
break;
case CMARK_NODE_HEADING:
if (entering) {
for (i = cmark_node_get_heading_level(node); i > 0; i--) {
LIT("#");
}
LIT(" ");
renderer->begin_content = true;
renderer->no_linebreaks = true;
} else {
renderer->no_linebreaks = false;
BLANKLINE();
}
break;
case CMARK_NODE_CODE_BLOCK:
first_in_list_item = node->prev == NULL && node->parent &&
node->parent->type == CMARK_NODE_ITEM;
if (!first_in_list_item) {
BLANKLINE();
}
info = cmark_node_get_fence_info(node);
info_len = strlen(info);
fencechar[0] = strchr(info, '`') == NULL ? '`' : '~';
code = cmark_node_get_literal(node);
code_len = strlen(code);
// use indented form if no info, and code doesn't
// begin or end with a blank line, and code isn't
// first thing in a list item
if (info_len == 0 && (code_len > 2 && !cmark_isspace(code[0]) &&
!(cmark_isspace(code[code_len - 1]) &&
cmark_isspace(code[code_len - 2]))) &&
!first_in_list_item) {
LIT(" ");
cmark_strbuf_puts(renderer->prefix, " ");
OUT(cmark_node_get_literal(node), false, LITERAL);
cmark_strbuf_truncate(renderer->prefix, renderer->prefix->size - 4);
} else {
numticks = longest_backtick_sequence(code) + 1;
if (numticks < 3) {
numticks = 3;
}
for (i = 0; i < numticks; i++) {
LIT(fencechar);
}
LIT(" ");
OUT(info, false, LITERAL);
CR();
OUT(cmark_node_get_literal(node), false, LITERAL);
CR();
for (i = 0; i < numticks; i++) {
LIT(fencechar);
}
}
BLANKLINE();
break;
case CMARK_NODE_HTML_BLOCK:
BLANKLINE();
OUT(cmark_node_get_literal(node), false, LITERAL);
BLANKLINE();
break;
case CMARK_NODE_CUSTOM_BLOCK:
BLANKLINE();
OUT(entering ? cmark_node_get_on_enter(node) : cmark_node_get_on_exit(node),
false, LITERAL);
BLANKLINE();
break;
case CMARK_NODE_THEMATIC_BREAK:
BLANKLINE();
LIT("-----");
BLANKLINE();
break;
case CMARK_NODE_PARAGRAPH:
if (!entering) {
BLANKLINE();
}
break;
case CMARK_NODE_TEXT:
OUT(cmark_node_get_literal(node), allow_wrap, NORMAL);
break;
case CMARK_NODE_LINEBREAK:
if (!(CMARK_OPT_HARDBREAKS & options)) {
LIT(" ");
}
CR();
break;
case CMARK_NODE_SOFTBREAK:
if (CMARK_OPT_HARDBREAKS & options) {
LIT(" ");
CR();
} else if (!renderer->no_linebreaks && renderer->width == 0 &&
!(CMARK_OPT_HARDBREAKS & options) &&
!(CMARK_OPT_NOBREAKS & options)) {
CR();
} else {
OUT(" ", allow_wrap, LITERAL);
}
break;
case CMARK_NODE_CODE:
code = cmark_node_get_literal(node);
code_len = strlen(code);
numticks = shortest_unused_backtick_sequence(code);
extra_spaces = code_len == 0 ||
code[0] == '`' || code[code_len - 1] == '`' ||
code[0] == ' ' || code[code_len - 1] == ' ';
for (i = 0; i < numticks; i++) {
LIT("`");
}
if (extra_spaces) {
LIT(" ");
}
OUT(cmark_node_get_literal(node), allow_wrap, LITERAL);
if (extra_spaces) {
LIT(" ");
}
for (i = 0; i < numticks; i++) {
LIT("`");
}
break;
case CMARK_NODE_HTML_INLINE:
OUT(cmark_node_get_literal(node), false, LITERAL);
break;
case CMARK_NODE_CUSTOM_INLINE:
OUT(entering ? cmark_node_get_on_enter(node) : cmark_node_get_on_exit(node),
false, LITERAL);
break;
case CMARK_NODE_STRONG:
if (entering) {
LIT("**");
} else {
LIT("**");
}
break;
case CMARK_NODE_EMPH:
// If we have EMPH(EMPH(x)), we need to use *_x_*
// because **x** is STRONG(x):
if (node->parent && node->parent->type == CMARK_NODE_EMPH &&
node->next == NULL && node->prev == NULL) {
emph_delim = "_";
} else {
emph_delim = "*";
}
if (entering) {
LIT(emph_delim);
} else {
LIT(emph_delim);
}
break;
case CMARK_NODE_LINK:
if (is_autolink(node)) {
if (entering) {
LIT("<");
if (strncmp(cmark_node_get_url(node), "mailto:", 7) == 0) {
LIT((const char *)cmark_node_get_url(node) + 7);
} else {
LIT((const char *)cmark_node_get_url(node));
}
LIT(">");
// return signal to skip contents of node...
return 0;
}
} else {
if (entering) {
LIT("[");
} else {
LIT("](");
OUT(cmark_node_get_url(node), false, URL);
title = cmark_node_get_title(node);
if (strlen(title) > 0) {
LIT(" \"");
OUT(title, false, TITLE);
LIT("\"");
}
LIT(")");
}
}
break;
case CMARK_NODE_IMAGE:
if (entering) {
LIT("![");
} else {
LIT("](");
OUT(cmark_node_get_url(node), false, URL);
title = cmark_node_get_title(node);
if (strlen(title) > 0) {
OUT(" \"", allow_wrap, LITERAL);
OUT(title, false, TITLE);
LIT("\"");
}
LIT(")");
}
break;
default:
assert(false);
break;
}
return 1;
}
static int
S_render_node(cmark_node *node, cmark_event_type ev_type,
struct render_state *state)
{
cmark_node *tmp;
cmark_strbuf *man = state->man;
int list_number;
bool entering = (ev_type == CMARK_EVENT_ENTER);
if (state->plain == node) { // back at original node
state->plain = NULL;
}
if (state->plain != NULL) {
switch(node->type) {
case CMARK_NODE_TEXT:
case CMARK_NODE_CODE:
escape_man(man, node->as.literal.data,
node->as.literal.len);
break;
case CMARK_NODE_LINEBREAK:
case CMARK_NODE_SOFTBREAK:
cmark_strbuf_putc(man, ' ');
break;
default:
break;
}
return 1;
}
switch (node->type) {
case CMARK_NODE_DOCUMENT:
break;
case CMARK_NODE_BLOCK_QUOTE:
if (entering) {
cr(man);
cmark_strbuf_puts(man, ".RS");
cr(man);
} else {
cr(man);
cmark_strbuf_puts(man, ".RE");
cr(man);
}
break;
case CMARK_NODE_LIST:
break;
case CMARK_NODE_ITEM:
if (entering) {
cr(man);
cmark_strbuf_puts(man, ".IP ");
if (cmark_node_get_list_type(node->parent) ==
CMARK_BULLET_LIST) {
cmark_strbuf_puts(man, "\\[bu] 2");
} else {
list_number = cmark_node_get_list_start(node->parent);
tmp = node;
while (tmp->prev) {
tmp = tmp->prev;
list_number += 1;
}
cmark_strbuf_printf(man, "\"%d.\" 4", list_number);
}
cr(man);
} else {
cr(man);
}
break;
case CMARK_NODE_HEADER:
if (entering) {
cr(man);
cmark_strbuf_puts(man,
cmark_node_get_header_level(node) == 1 ?
".SH" : ".SS");
cr(man);
} else {
cr(man);
}
break;
case CMARK_NODE_CODE_BLOCK:
cr(man);
cmark_strbuf_puts(man, ".IP\n.nf\n\\f[C]\n");
escape_man(man, node->as.code.literal.data,
node->as.code.literal.len);
cr(man);
cmark_strbuf_puts(man, "\\f[]\n.fi");
cr(man);
break;
case CMARK_NODE_HTML:
break;
case CMARK_NODE_HRULE:
cr(man);
cmark_strbuf_puts(man, ".PP\n * * * * *");
cr(man);
break;
case CMARK_NODE_PARAGRAPH:
if (entering) {
// no blank line if first paragraph in list:
if (node->parent &&
node->parent->type == CMARK_NODE_ITEM &&
node->prev == NULL) {
// no blank line or .PP
} else {
cr(man);
cmark_strbuf_puts(man, ".PP\n");
}
} else {
cr(man);
}
break;
case CMARK_NODE_TEXT:
escape_man(man, node->as.literal.data,
node->as.literal.len);
break;
case CMARK_NODE_LINEBREAK:
cmark_strbuf_puts(man, ".PD 0\n.P\n.PD");
cr(man);
break;
case CMARK_NODE_SOFTBREAK:
cmark_strbuf_putc(man, '\n');
break;
case CMARK_NODE_CODE:
cmark_strbuf_puts(man, "\\f[C]");
escape_man(man, node->as.literal.data, node->as.literal.len);
cmark_strbuf_puts(man, "\\f[]");
break;
case CMARK_NODE_INLINE_HTML:
break;
case CMARK_NODE_STRONG:
if (entering) {
cmark_strbuf_puts(man, "\\f[B]");
} else {
cmark_strbuf_puts(man, "\\f[]");
}
break;
case CMARK_NODE_EMPH:
if (entering) {
cmark_strbuf_puts(man, "\\f[I]");
} else {
cmark_strbuf_puts(man, "\\f[]");
}
break;
case CMARK_NODE_LINK:
if (!entering) {
cmark_strbuf_printf(man, " (%s)",
cmark_node_get_url(node));
}
break;
case CMARK_NODE_IMAGE:
if (entering) {
cmark_strbuf_puts(man, "[IMAGE: ");
state->plain = node;
} else {
cmark_strbuf_puts(man, "]");
}
break;
default:
assert(false);
break;
}
// cmark_strbuf_putc(man, 'x');
return 1;
}
static int S_render_node(cmark_renderer *renderer, cmark_node *node,
cmark_event_type ev_type, int options) {
int list_number;
int enumlevel;
char list_number_string[LIST_NUMBER_STRING_SIZE];
bool entering = (ev_type == CMARK_EVENT_ENTER);
cmark_list_type list_type;
bool allow_wrap = renderer->width > 0 && !(CMARK_OPT_NOBREAKS & options);
// avoid warning about unused parameter:
(void)(options);
switch (node->type) {
case CMARK_NODE_DOCUMENT:
break;
case CMARK_NODE_BLOCK_QUOTE:
if (entering) {
LIT("\\begin{quote}");
CR();
} else {
LIT("\\end{quote}");
BLANKLINE();
}
break;
case CMARK_NODE_LIST:
list_type = cmark_node_get_list_type(node);
if (entering) {
LIT("\\begin{");
LIT(list_type == CMARK_ORDERED_LIST ? "enumerate" : "itemize");
LIT("}");
CR();
list_number = cmark_node_get_list_start(node);
if (list_number > 1) {
enumlevel = S_get_enumlevel(node);
// latex normally supports only five levels
if (enumlevel >= 1 && enumlevel <= 5) {
snprintf(list_number_string, LIST_NUMBER_STRING_SIZE, "%d",
list_number);
LIT("\\setcounter{enum");
switch(enumlevel) {
case 1: LIT("i"); break;
case 2: LIT("ii"); break;
case 3: LIT("iii"); break;
case 4: LIT("iv"); break;
case 5: LIT("v"); break;
default: LIT("i"); break;
}
LIT("}{");
OUT(list_number_string, false, NORMAL);
LIT("}");
}
CR();
}
} else {
LIT("\\end{");
LIT(list_type == CMARK_ORDERED_LIST ? "enumerate" : "itemize");
LIT("}");
BLANKLINE();
}
break;
case CMARK_NODE_ITEM:
if (entering) {
LIT("\\item ");
} else {
CR();
}
break;
case CMARK_NODE_HEADING:
if (entering) {
switch (cmark_node_get_heading_level(node)) {
case 1:
LIT("\\section");
break;
case 2:
LIT("\\subsection");
break;
case 3:
LIT("\\subsubsection");
break;
case 4:
LIT("\\paragraph");
break;
case 5:
LIT("\\subparagraph");
break;
}
LIT("{");
} else {
LIT("}");
BLANKLINE();
}
break;
case CMARK_NODE_CODE_BLOCK:
CR();
LIT("\\begin{verbatim}");
CR();
OUT(cmark_node_get_literal(node), false, LITERAL);
CR();
LIT("\\end{verbatim}");
BLANKLINE();
break;
case CMARK_NODE_HTML_BLOCK:
break;
case CMARK_NODE_CUSTOM_BLOCK:
CR();
OUT(entering ? cmark_node_get_on_enter(node) : cmark_node_get_on_exit(node),
false, LITERAL);
CR();
break;
case CMARK_NODE_THEMATIC_BREAK:
BLANKLINE();
LIT("\\begin{center}\\rule{0.5\\linewidth}{\\linethickness}\\end{center}");
BLANKLINE();
break;
case CMARK_NODE_PARAGRAPH:
if (!entering) {
BLANKLINE();
}
break;
case CMARK_NODE_TEXT:
OUT(cmark_node_get_literal(node), allow_wrap, NORMAL);
break;
case CMARK_NODE_LINEBREAK:
LIT("\\\\");
CR();
break;
case CMARK_NODE_SOFTBREAK:
if (options & CMARK_OPT_HARDBREAKS) {
LIT("\\\\");
CR();
} else if (renderer->width == 0 && !(CMARK_OPT_NOBREAKS & options)) {
CR();
} else {
OUT(" ", allow_wrap, NORMAL);
}
break;
case CMARK_NODE_CODE:
LIT("\\texttt{");
OUT(cmark_node_get_literal(node), false, NORMAL);
LIT("}");
break;
case CMARK_NODE_HTML_INLINE:
break;
case CMARK_NODE_CUSTOM_INLINE:
OUT(entering ? cmark_node_get_on_enter(node) : cmark_node_get_on_exit(node),
false, LITERAL);
break;
case CMARK_NODE_STRONG:
if (entering) {
LIT("\\textbf{");
} else {
LIT("}");
}
break;
case CMARK_NODE_EMPH:
if (entering) {
LIT("\\emph{");
} else {
LIT("}");
}
break;
case CMARK_NODE_LINK:
if (entering) {
const char *url = cmark_node_get_url(node);
// requires \usepackage{hyperref}
switch (get_link_type(node)) {
case URL_AUTOLINK:
LIT("\\url{");
OUT(url, false, URL);
LIT("}");
return 0; // Don't process further nodes to avoid double-rendering artefacts
case EMAIL_AUTOLINK:
LIT("\\href{");
OUT(url, false, URL);
LIT("}\\nolinkurl{");
break;
case NORMAL_LINK:
LIT("\\href{");
OUT(url, false, URL);
LIT("}{");
break;
case INTERNAL_LINK:
LIT("\\protect\\hyperlink{");
OUT(url + 1, false, URL);
LIT("}{");
break;
case NO_LINK:
LIT("{"); // error?
}
} else {
LIT("}");
}
break;
case CMARK_NODE_IMAGE:
if (entering) {
LIT("\\protect\\includegraphics{");
// requires \include{graphicx}
OUT(cmark_node_get_url(node), false, URL);
LIT("}");
return 0;
}
break;
default:
assert(false);
break;
}
return 1;
}
static char*
S_convert_link(cmark_node *link, CFCClass *doc_class, int header_level) {
cmark_node *child = cmark_node_first_child(link);
const char *uri = cmark_node_get_url(link);
char *text = S_nodes_to_pod(child, doc_class, header_level);
char *retval;
if (!CFCUri_is_clownfish_uri(uri)) {
retval = S_pod_link(text, uri);
FREEMEM(text);
return retval;
}
char *new_uri = NULL;
char *new_text = NULL;
CFCUri *uri_obj = CFCUri_new(uri, doc_class);
CFCUriType type = CFCUri_get_type(uri_obj);
switch (type) {
case CFC_URI_ERROR: {
const char *error = CFCUri_get_error(uri_obj);
new_text = CFCUtil_sprintf("[%s]", error);
break;
}
case CFC_URI_NULL:
// Change all instances of NULL to 'undef'
new_text = CFCUtil_strdup("undef");
break;
case CFC_URI_CLASS: {
CFCClass *klass = CFCUri_get_class(uri_obj);
if (klass != doc_class) {
const char *class_name = CFCClass_get_name(klass);
new_uri = CFCUtil_strdup(class_name);
}
if (text[0] == '\0') {
const char *src = CFCClass_included(klass)
? CFCClass_get_name(klass)
: CFCClass_get_struct_sym(klass);
new_text = CFCUtil_strdup(src);
}
break;
}
case CFC_URI_FUNCTION:
case CFC_URI_METHOD: {
CFCClass *klass = CFCUri_get_class(uri_obj);
const char *name = CFCUri_get_callable_name(uri_obj);
// Convert "Err_get_error" to "Clownfish->error".
if (strcmp(CFCClass_full_struct_sym(klass), "cfish_Err") == 0
&& strcmp(name, "get_error") == 0
) {
new_text = CFCUtil_strdup("Clownfish->error");
break;
}
char *perl_name = CFCUtil_strdup(name);
for (size_t i = 0; perl_name[i] != '\0'; ++i) {
perl_name[i] = CFCUtil_tolower(perl_name[i]);
}
// The Perl POD only contains sections for novel methods. Link
// to the class where the method is declared first.
if (type == CFC_URI_METHOD) {
CFCClass *parent = CFCClass_get_parent(klass);
while (parent && CFCClass_method(parent, name)) {
klass = parent;
parent = CFCClass_get_parent(klass);
}
}
if (klass == doc_class) {
new_uri = CFCUtil_sprintf("/%s", perl_name);
}
else {
const char *class_name = CFCClass_get_name(klass);
new_uri = CFCUtil_sprintf("%s/%s", class_name, perl_name);
}
if (text[0] == '\0') {
new_text = CFCUtil_sprintf("%s()", perl_name);
}
FREEMEM(perl_name);
break;
}
case CFC_URI_DOCUMENT: {
CFCDocument *doc = CFCUri_get_document(uri_obj);
const char *path_part = CFCDocument_get_path_part(doc);
new_uri = CFCUtil_global_replace(path_part, CHY_DIR_SEP, "::");
if (text[0] == '\0') {
const char *name = CFCDocument_get_name(doc);
new_text = CFCUtil_strdup(name);
}
break;
}
}
if (new_text) {
FREEMEM(text);
text = new_text;
}
if (new_uri) {
retval = S_pod_link(text, new_uri);
FREEMEM(new_uri);
FREEMEM(text);
}
else {
retval = text;
}
CFCBase_decref((CFCBase*)uri_obj);
return retval;
}
static int
S_render_node(cmark_renderer *renderer,
cmark_node *node,
cmark_event_type ev_type,
int options)
{
int list_number;
char list_number_string[20];
bool entering = (ev_type == CMARK_EVENT_ENTER);
cmark_list_type list_type;
const char* roman_numerals[] = { "", "i", "ii", "iii", "iv", "v",
"vi", "vii", "viii", "ix", "x"
};
// avoid warning about unused parameter:
(void)(options);
switch (node->type) {
case CMARK_NODE_DOCUMENT:
break;
case CMARK_NODE_BLOCK_QUOTE:
if (entering) {
LIT("\\begin{quote}");
CR();
} else {
LIT("\\end{quote}");
BLANKLINE();
}
break;
case CMARK_NODE_LIST:
list_type = cmark_node_get_list_type(node);
if (entering) {
LIT("\\begin{");
LIT(list_type == CMARK_ORDERED_LIST ?
"enumerate" : "itemize");
LIT("}");
CR();
list_number = cmark_node_get_list_start(node);
if (list_number > 1) {
sprintf(list_number_string,
"%d", list_number);
LIT("\\setcounter{enum");
LIT((char *)roman_numerals[S_get_enumlevel(node)]);
LIT("}{");
OUT(list_number_string, false, NORMAL);
LIT("}");
CR();
}
} else {
LIT("\\end{");
LIT(list_type == CMARK_ORDERED_LIST ?
"enumerate" : "itemize");
LIT("}");
BLANKLINE();
}
break;
case CMARK_NODE_ITEM:
if (entering) {
LIT("\\item ");
} else {
CR();
}
break;
case CMARK_NODE_HEADER:
if (entering) {
switch (cmark_node_get_header_level(node)) {
case 1:
LIT("\\section");
break;
case 2:
LIT("\\subsection");
break;
case 3:
LIT("\\subsubsection");
break;
case 4:
LIT("\\paragraph");
break;
case 5:
LIT("\\subparagraph");
break;
}
LIT("{");
} else {
LIT("}");
BLANKLINE();
}
break;
case CMARK_NODE_CODE_BLOCK:
CR();
LIT("\\begin{verbatim}");
CR();
OUT(cmark_node_get_literal(node), false, LITERAL);
CR();
LIT("\\end{verbatim}");
BLANKLINE();
break;
case CMARK_NODE_HTML:
break;
case CMARK_NODE_HRULE:
BLANKLINE();
LIT("\\begin{center}\\rule{0.5\\linewidth}{\\linethickness}\\end{center}");
BLANKLINE();
break;
case CMARK_NODE_PARAGRAPH:
if (!entering) {
BLANKLINE();
}
break;
case CMARK_NODE_TEXT:
OUT(cmark_node_get_literal(node), true, NORMAL);
break;
case CMARK_NODE_LINEBREAK:
LIT("\\\\");
CR();
break;
case CMARK_NODE_SOFTBREAK:
if (renderer->width == 0) {
CR();
} else {
OUT(" ", true, NORMAL);
}
break;
case CMARK_NODE_CODE:
LIT("\\texttt{");
OUT(cmark_node_get_literal(node), false, NORMAL);
LIT("}");
break;
case CMARK_NODE_INLINE_HTML:
break;
case CMARK_NODE_STRONG:
if (entering) {
LIT("\\textbf{");
} else {
LIT("}");
}
break;
case CMARK_NODE_EMPH:
if (entering) {
LIT("\\emph{");
} else {
LIT("}");
}
break;
case CMARK_NODE_LINK:
if (entering) {
const char* url = cmark_node_get_url(node);
// requires \usepackage{hyperref}
switch(get_link_type(node)) {
case URL_AUTOLINK:
LIT("\\url{");
OUT(url, false, URL);
break;
case EMAIL_AUTOLINK:
LIT("\\href{");
OUT(url, false, URL);
LIT("}\\nolinkurl{");
break;
case NORMAL_LINK:
LIT("\\href{");
OUT(url, false, URL);
LIT("}{");
break;
case NO_LINK:
LIT("{"); // error?
}
} else {
LIT("}");
}
break;
case CMARK_NODE_IMAGE:
if (entering) {
LIT("\\protect\\includegraphics{");
// requires \include{graphicx}
OUT(cmark_node_get_url(node), false, URL);
LIT("}");
return 0;
}
break;
default:
assert(false);
break;
}
return 1;
}
static int
S_render_node(cmark_renderer *renderer,
cmark_node *node,
cmark_event_type ev_type,
int options)
{
cmark_node *tmp;
int list_number;
cmark_delim_type list_delim;
int numticks;
int i;
bool entering = (ev_type == CMARK_EVENT_ENTER);
const char *info, *code, *title;
size_t info_len, code_len;
cmark_strbuf listmarker = GH_BUF_INIT;
char *emph_delim;
bufsize_t marker_width;
// Don't adjust tight list status til we've started the list.
// Otherwise we loose the blank line between a paragraph and
// a following list.
if (!(node->type == CMARK_NODE_ITEM && node->prev == NULL &&
entering)) {
tmp = get_containing_block(node);
renderer->in_tight_list_item =
(tmp->type == CMARK_NODE_ITEM &&
cmark_node_get_list_tight(tmp->parent)) ||
(tmp &&
tmp->parent &&
tmp->parent->type == CMARK_NODE_ITEM &&
cmark_node_get_list_tight(tmp->parent->parent));
}
switch (node->type) {
case CMARK_NODE_DOCUMENT:
break;
case CMARK_NODE_BLOCK_QUOTE:
if (entering) {
LIT("> ");
cmark_strbuf_puts(renderer->prefix, "> ");
} else {
cmark_strbuf_truncate(renderer->prefix,
renderer->prefix->size - 2);
BLANKLINE();
}
break;
case CMARK_NODE_LIST:
if (!entering && node->next &&
(node->next->type == CMARK_NODE_CODE_BLOCK ||
node->next->type == CMARK_NODE_LIST)) {
// this ensures 2 blank lines after list,
// if before code block or list:
LIT("\n");
}
break;
case CMARK_NODE_ITEM:
if (cmark_node_get_list_type(node->parent) ==
CMARK_BULLET_LIST) {
marker_width = 2;
} else {
list_number = cmark_node_get_list_start(node->parent);
list_delim = cmark_node_get_list_delim(node->parent);
tmp = node;
while (tmp->prev) {
tmp = tmp->prev;
list_number += 1;
}
// we ensure a width of at least 4 so
// we get nice transition from single digits
// to double
cmark_strbuf_printf(&listmarker,
"%d%s%s", list_number,
list_delim == CMARK_PAREN_DELIM ?
")" : ".",
list_number < 10 ? " " : " ");
marker_width = listmarker.size;
}
if (entering) {
if (cmark_node_get_list_type(node->parent) ==
CMARK_BULLET_LIST) {
LIT("* ");
cmark_strbuf_puts(renderer->prefix, " ");
} else {
LIT((char *)listmarker.ptr);
for (i = marker_width; i--;) {
cmark_strbuf_putc(renderer->prefix, ' ');
}
}
} else {
cmark_strbuf_truncate(renderer->prefix,
renderer->prefix->size -
marker_width);
CR();
}
cmark_strbuf_free(&listmarker);
break;
case CMARK_NODE_HEADER:
if (entering) {
for (int i = cmark_node_get_header_level(node); i > 0; i--) {
LIT("#");
}
LIT(" ");
renderer->no_wrap = true;
} else {
renderer->no_wrap = false;
BLANKLINE();
}
break;
case CMARK_NODE_CODE_BLOCK:
BLANKLINE();
info = cmark_node_get_fence_info(node);
info_len = safe_strlen(info);
code = cmark_node_get_literal(node);
code_len = safe_strlen(code);
// use indented form if no info, and code doesn't
// begin or end with a blank line, and code isn't
// first thing in a list item
if (info_len == 0 &&
(code_len > 2 &&
!isspace(code[0]) &&
!(isspace(code[code_len - 1]) &&
isspace(code[code_len - 2]))) &&
!(node->prev == NULL && node->parent &&
node->parent->type == CMARK_NODE_ITEM)) {
LIT(" ");
cmark_strbuf_puts(renderer->prefix, " ");
OUT(cmark_node_get_literal(node), false, LITERAL);
cmark_strbuf_truncate(renderer->prefix,
renderer->prefix->size - 4);
} else {
numticks = longest_backtick_sequence(code) + 1;
if (numticks < 3) {
numticks = 3;
}
for (i = 0; i < numticks; i++) {
LIT("`");
}
LIT(" ");
OUT(info, false, LITERAL);
CR();
OUT(cmark_node_get_literal(node), false, LITERAL);
CR();
for (i = 0; i < numticks; i++) {
LIT("`");
}
}
BLANKLINE();
break;
case CMARK_NODE_HTML:
BLANKLINE();
OUT(cmark_node_get_literal(node), false, LITERAL);
BLANKLINE();
break;
case CMARK_NODE_HRULE:
BLANKLINE();
LIT("-----");
BLANKLINE();
break;
case CMARK_NODE_PARAGRAPH:
if (!entering) {
BLANKLINE();
}
break;
case CMARK_NODE_TEXT:
OUT(cmark_node_get_literal(node), true, NORMAL);
break;
case CMARK_NODE_LINEBREAK:
if (!(CMARK_OPT_HARDBREAKS & options)) {
LIT("\\");
}
CR();
break;
case CMARK_NODE_SOFTBREAK:
if (renderer->width == 0 &&
!(CMARK_OPT_HARDBREAKS & options)) {
CR();
} else {
OUT(" ", true, LITERAL);
}
break;
case CMARK_NODE_CODE:
code = cmark_node_get_literal(node);
code_len = safe_strlen(code);
numticks = shortest_unused_backtick_sequence(code);
for (i = 0; i < numticks; i++) {
LIT("`");
}
if (code_len == 0 || code[0] == '`') {
LIT(" ");
}
OUT(cmark_node_get_literal(node), true, LITERAL);
if (code_len == 0 || code[code_len - 1] == '`') {
LIT(" ");
}
for (i = 0; i < numticks; i++) {
LIT("`");
}
break;
case CMARK_NODE_INLINE_HTML:
OUT(cmark_node_get_literal(node), false, LITERAL);
break;
case CMARK_NODE_STRONG:
if (entering) {
LIT("**");
} else {
LIT("**");
}
break;
case CMARK_NODE_EMPH:
// If we have EMPH(EMPH(x)), we need to use *_x_*
// because **x** is STRONG(x):
if (node->parent && node->parent->type == CMARK_NODE_EMPH &&
node->next == NULL && node->prev == NULL) {
emph_delim = "_";
} else {
emph_delim = "*";
}
if (entering) {
LIT(emph_delim);
} else {
LIT(emph_delim);
}
break;
case CMARK_NODE_LINK:
if (is_autolink(node)) {
if (entering) {
LIT("<");
if (strncmp(cmark_node_get_url(node),
"mailto:", 7) == 0) {
LIT((char *)cmark_node_get_url(node) + 7);
} else {
LIT((char *)cmark_node_get_url(node));
}
LIT(">");
// return signal to skip contents of node...
return 0;
}
} else {
if (entering) {
LIT("[");
} else {
LIT("](");
OUT(cmark_node_get_url(node), false, URL);
title = cmark_node_get_title(node);
if (safe_strlen(title) > 0) {
LIT(" \"");
OUT(title, false, TITLE);
LIT("\"");
}
LIT(")");
}
}
break;
case CMARK_NODE_IMAGE:
if (entering) {
LIT("![");
} else {
LIT("](");
OUT(cmark_node_get_url(node), false, URL);
title = cmark_node_get_title(node);
if (safe_strlen(title) > 0) {
OUT(" \"", true, LITERAL);
OUT(title, false, TITLE);
LIT("\"");
}
LIT(")");
}
break;
default:
assert(false);
break;
}
return 1;
}
static int S_render_node(cmark_renderer *renderer, cmark_node *node,
cmark_event_type ev_type, int options) {
cmark_node *tmp;
int list_number;
bool entering = (ev_type == CMARK_EVENT_ENTER);
// avoid unused parameter error:
(void)(options);
switch (node->type) {
case CMARK_NODE_DOCUMENT:
break;
case CMARK_NODE_BLOCK_QUOTE:
if (entering) {
CR();
LIT(".RS");
CR();
} else {
CR();
LIT(".RE");
CR();
}
break;
case CMARK_NODE_LIST:
break;
case CMARK_NODE_ITEM:
if (entering) {
CR();
LIT(".IP ");
if (cmark_node_get_list_type(node->parent) == CMARK_BULLET_LIST) {
LIT("\\[bu] 2");
} else {
list_number = cmark_node_get_list_start(node->parent);
tmp = node;
while (tmp->prev) {
tmp = tmp->prev;
list_number += 1;
}
const size_t LIST_NUMBER_SIZE = 20;
char list_number_s[LIST_NUMBER_SIZE];
snprintf(list_number_s, LIST_NUMBER_SIZE, "\"%d.\" 4", list_number);
LIT(list_number_s);
}
CR();
} else {
CR();
}
break;
case CMARK_NODE_HEADER:
if (entering) {
CR();
LIT(cmark_node_get_header_level(node) == 1 ? ".SH" : ".SS");
CR();
} else {
CR();
}
break;
case CMARK_NODE_CODE_BLOCK:
CR();
LIT(".IP\n.nf\n\\f[C]\n");
OUT(cmark_node_get_literal(node), false, NORMAL);
CR();
LIT("\\f[]\n.fi");
CR();
break;
case CMARK_NODE_HTML:
break;
case CMARK_NODE_HRULE:
CR();
LIT(".PP\n * * * * *");
CR();
break;
case CMARK_NODE_PARAGRAPH:
if (entering) {
// no blank line if first paragraph in list:
if (node->parent && node->parent->type == CMARK_NODE_ITEM &&
node->prev == NULL) {
// no blank line or .PP
} else {
CR();
LIT(".PP");
CR();
}
} else {
CR();
}
break;
case CMARK_NODE_TEXT:
OUT(cmark_node_get_literal(node), true, NORMAL);
break;
case CMARK_NODE_LINEBREAK:
LIT(".PD 0\n.P\n.PD");
CR();
break;
case CMARK_NODE_SOFTBREAK:
if (renderer->width == 0) {
CR();
} else {
OUT(" ", true, LITERAL);
}
break;
case CMARK_NODE_CODE:
LIT("\\f[C]");
OUT(cmark_node_get_literal(node), true, NORMAL);
LIT("\\f[]");
break;
case CMARK_NODE_INLINE_HTML:
break;
case CMARK_NODE_STRONG:
if (entering) {
LIT("\\f[B]");
} else {
LIT("\\f[]");
}
break;
case CMARK_NODE_EMPH:
if (entering) {
LIT("\\f[I]");
} else {
LIT("\\f[]");
}
break;
case CMARK_NODE_LINK:
if (!entering) {
LIT(" (");
OUT(cmark_node_get_url(node), true, URL);
LIT(")");
}
break;
case CMARK_NODE_IMAGE:
if (entering) {
LIT("[IMAGE: ");
} else {
LIT("]");
}
break;
default:
assert(false);
break;
}
return 1;
}
static char*
S_convert_link(CFCClass *klass, cmark_node *link) {
cmark_node *child = cmark_node_first_child(link);
const char *uri = cmark_node_get_url(link);
char *text = S_nodes_to_pod(klass, child);
char *retval;
if (!CFCUri_is_clownfish_uri(uri)) {
retval = S_pod_link(text, uri);
FREEMEM(text);
return retval;
}
char *new_uri = NULL;
char *new_text = NULL;
CFCUri *uri_obj = CFCUri_new(uri, klass);
int type = CFCUri_get_type(uri_obj);
switch (type) {
case CFC_URI_NULL:
// Change all instances of NULL to 'undef'
new_text = CFCUtil_strdup("undef");
break;
case CFC_URI_CLASS: {
const char *full_struct_sym = CFCUri_full_struct_sym(uri_obj);
CFCClass *uri_class
= CFCClass_fetch_by_struct_sym(full_struct_sym);
if (!uri_class) {
CFCUtil_warn("URI class not found: %s", full_struct_sym);
}
else if (uri_class != klass) {
const char *class_name = CFCClass_get_class_name(uri_class);
new_uri = CFCUtil_strdup(class_name);
}
if (text[0] != '\0') {
// Keep text.
break;
}
if (strcmp(CFCUri_get_prefix(uri_obj),
CFCClass_get_prefix(klass)) == 0
) {
// Same parcel.
const char *struct_sym = CFCUri_get_struct_sym(uri_obj);
new_text = CFCUtil_strdup(struct_sym);
}
else {
// Other parcel.
if (!uri_class) {
new_text = CFCUtil_strdup(full_struct_sym);
}
else {
const char *class_name
= CFCClass_get_class_name(uri_class);
new_text = CFCUtil_strdup(class_name);
}
}
break;
}
case CFC_URI_FUNCTION:
case CFC_URI_METHOD: {
const char *full_struct_sym = CFCUri_full_struct_sym(uri_obj);
const char *func_sym = CFCUri_get_func_sym(uri_obj);
// Convert "Err_get_error" to "Clownfish->error".
if (strcmp(full_struct_sym, "cfish_Err") == 0
&& strcmp(func_sym, "get_error") == 0
) {
new_text = CFCUtil_strdup("Clownfish->error");
break;
}
CFCClass *uri_class
= CFCClass_fetch_by_struct_sym(full_struct_sym);
// TODO: Link to relevant POD section. This isn't easy because
// the section headers for functions also contain a description
// of the parameters.
if (!uri_class) {
CFCUtil_warn("URI class not found: %s", full_struct_sym);
}
else if (uri_class != klass) {
const char *class_name = CFCClass_get_class_name(uri_class);
new_uri = CFCUtil_strdup(class_name);
}
new_text = CFCUtil_sprintf("%s()", func_sym);
for (size_t i = 0; new_text[i] != '\0'; ++i) {
new_text[i] = tolower(new_text[i]);
}
break;
}
}
if (new_text) {
FREEMEM(text);
text = new_text;
}
if (new_uri) {
retval = S_pod_link(text, new_uri);
FREEMEM(new_uri);
FREEMEM(text);
}
else {
retval = text;
}
CFCBase_decref((CFCBase*)uri_obj);
return retval;
}
static void
accessors(test_batch_runner *runner)
{
static const char markdown[] =
"## Header\n"
"\n"
"* Item 1\n"
"* Item 2\n"
"\n"
"2. Item 1\n"
"\n"
"3. Item 2\n"
"\n"
"\n"
" code\n"
"\n"
"``` lang\n"
"fenced\n"
"```\n"
"\n"
"<div>html</div>\n"
"\n"
"[link](url 'title')\n";
cmark_node *doc = cmark_parse_document(markdown, sizeof(markdown) - 1, CMARK_OPT_DEFAULT);
// Getters
cmark_node *header = cmark_node_first_child(doc);
INT_EQ(runner, cmark_node_get_header_level(header), 2,
"get_header_level");
cmark_node *bullet_list = cmark_node_next(header);
INT_EQ(runner, cmark_node_get_list_type(bullet_list),
CMARK_BULLET_LIST, "get_list_type bullet");
INT_EQ(runner, cmark_node_get_list_tight(bullet_list), 1,
"get_list_tight tight");
cmark_node *ordered_list = cmark_node_next(bullet_list);
INT_EQ(runner, cmark_node_get_list_type(ordered_list),
CMARK_ORDERED_LIST, "get_list_type ordered");
INT_EQ(runner, cmark_node_get_list_delim(ordered_list),
CMARK_PERIOD_DELIM, "get_list_delim ordered");
INT_EQ(runner, cmark_node_get_list_start(ordered_list), 2,
"get_list_start");
INT_EQ(runner, cmark_node_get_list_tight(ordered_list), 0,
"get_list_tight loose");
cmark_node *code = cmark_node_next(ordered_list);
STR_EQ(runner, cmark_node_get_literal(code), "code\n",
"get_literal indented code");
cmark_node *fenced = cmark_node_next(code);
STR_EQ(runner, cmark_node_get_literal(fenced), "fenced\n",
"get_literal fenced code");
STR_EQ(runner, cmark_node_get_fence_info(fenced), "lang",
"get_fence_info");
cmark_node *html = cmark_node_next(fenced);
STR_EQ(runner, cmark_node_get_literal(html),
"<div>html</div>\n", "get_literal html");
cmark_node *paragraph = cmark_node_next(html);
INT_EQ(runner, cmark_node_get_start_line(paragraph), 19,
"get_start_line");
INT_EQ(runner, cmark_node_get_start_column(paragraph), 1,
"get_start_column");
INT_EQ(runner, cmark_node_get_end_line(paragraph), 19,
"get_end_line");
cmark_node *link = cmark_node_first_child(paragraph);
STR_EQ(runner, cmark_node_get_url(link), "url",
"get_url");
STR_EQ(runner, cmark_node_get_title(link), "title",
"get_title");
cmark_node *string = cmark_node_first_child(link);
STR_EQ(runner, cmark_node_get_literal(string), "link",
"get_literal string");
// Setters
OK(runner, cmark_node_set_header_level(header, 3),
"set_header_level");
OK(runner, cmark_node_set_list_type(bullet_list, CMARK_ORDERED_LIST),
"set_list_type ordered");
OK(runner, cmark_node_set_list_delim(bullet_list, CMARK_PAREN_DELIM),
"set_list_delim paren");
OK(runner, cmark_node_set_list_start(bullet_list, 3),
"set_list_start");
OK(runner, cmark_node_set_list_tight(bullet_list, 0),
"set_list_tight loose");
OK(runner, cmark_node_set_list_type(ordered_list, CMARK_BULLET_LIST),
"set_list_type bullet");
OK(runner, cmark_node_set_list_tight(ordered_list, 1),
"set_list_tight tight");
OK(runner, cmark_node_set_literal(code, "CODE\n"),
"set_literal indented code");
OK(runner, cmark_node_set_literal(fenced, "FENCED\n"),
"set_literal fenced code");
OK(runner, cmark_node_set_fence_info(fenced, "LANG"),
"set_fence_info");
OK(runner, cmark_node_set_literal(html, "<div>HTML</div>\n"),
"set_literal html");
OK(runner, cmark_node_set_url(link, "URL"),
"set_url");
OK(runner, cmark_node_set_title(link, "TITLE"),
"set_title");
OK(runner, cmark_node_set_literal(string, "LINK"),
"set_literal string");
char *rendered_html = cmark_render_html(doc, CMARK_OPT_DEFAULT);
static const char expected_html[] =
"<h3>Header</h3>\n"
"<ol start=\"3\">\n"
"<li>\n"
"<p>Item 1</p>\n"
"</li>\n"
"<li>\n"
"<p>Item 2</p>\n"
"</li>\n"
"</ol>\n"
"<ul>\n"
"<li>Item 1</li>\n"
"<li>Item 2</li>\n"
"</ul>\n"
"<pre><code>CODE\n"
"</code></pre>\n"
"<pre><code class=\"language-LANG\">FENCED\n"
"</code></pre>\n"
"<div>HTML</div>\n"
"<p><a href=\"URL\" title=\"TITLE\">LINK</a></p>\n";
STR_EQ(runner, rendered_html, expected_html, "setters work");
free(rendered_html);
// Getter errors
INT_EQ(runner, cmark_node_get_header_level(bullet_list), 0,
"get_header_level error");
INT_EQ(runner, cmark_node_get_list_type(header), CMARK_NO_LIST,
"get_list_type error");
INT_EQ(runner, cmark_node_get_list_start(code), 0,
"get_list_start error");
INT_EQ(runner, cmark_node_get_list_tight(fenced), 0,
"get_list_tight error");
OK(runner, cmark_node_get_literal(ordered_list) == NULL,
"get_literal error");
OK(runner, cmark_node_get_fence_info(paragraph) == NULL,
"get_fence_info error");
OK(runner, cmark_node_get_url(html) == NULL,
"get_url error");
OK(runner, cmark_node_get_title(header) == NULL,
"get_title error");
// Setter errors
OK(runner, !cmark_node_set_header_level(bullet_list, 3),
"set_header_level error");
OK(runner, !cmark_node_set_list_type(header, CMARK_ORDERED_LIST),
"set_list_type error");
OK(runner, !cmark_node_set_list_start(code, 3),
"set_list_start error");
OK(runner, !cmark_node_set_list_tight(fenced, 0),
"set_list_tight error");
OK(runner, !cmark_node_set_literal(ordered_list, "content\n"),
"set_literal error");
OK(runner, !cmark_node_set_fence_info(paragraph, "lang"),
"set_fence_info error");
OK(runner, !cmark_node_set_url(html, "url"),
"set_url error");
OK(runner, !cmark_node_set_title(header, "title"),
"set_title error");
OK(runner, !cmark_node_set_header_level(header, 0),
"set_header_level too small");
OK(runner, !cmark_node_set_header_level(header, 7),
"set_header_level too large");
OK(runner, !cmark_node_set_list_type(bullet_list, CMARK_NO_LIST),
"set_list_type invalid");
OK(runner, !cmark_node_set_list_start(bullet_list, -1),
"set_list_start negative");
cmark_node_free(doc);
}
static int S_render_node(cmark_renderer *renderer, cmark_node *node,
cmark_event_type ev_type, int options) {
cmark_node *tmp;
int list_number;
bool entering = (ev_type == CMARK_EVENT_ENTER);
bool allow_wrap = renderer->width > 0 && !(CMARK_OPT_NOBREAKS & options);
if (node->extension && node->extension->man_render_func) {
node->extension->man_render_func(node->extension, renderer, node, ev_type, options);
return 1;
}
switch (node->type) {
case CMARK_NODE_DOCUMENT:
if (entering) {
/* Define a strikethrough macro */
/* Commenting out because this makes tests fail
LIT(".de ST");
CR();
LIT(".nr ww \\w'\\\\$1'");
CR();
LIT("\\Z@\\v'-.25m'\\l'\\\\n[ww]u'@\\\\$1");
CR();
LIT("..");
CR();
*/
}
break;
case CMARK_NODE_BLOCK_QUOTE:
if (entering) {
CR();
LIT(".RS");
CR();
} else {
CR();
LIT(".RE");
CR();
}
break;
case CMARK_NODE_LIST:
break;
case CMARK_NODE_ITEM:
if (entering) {
CR();
LIT(".IP ");
if (cmark_node_get_list_type(node->parent) == CMARK_BULLET_LIST) {
LIT("\\[bu] 2");
} else {
list_number = cmark_node_get_list_start(node->parent);
tmp = node;
while (tmp->prev) {
tmp = tmp->prev;
list_number += 1;
}
char list_number_s[LIST_NUMBER_SIZE];
snprintf(list_number_s, LIST_NUMBER_SIZE, "\"%d.\" 4", list_number);
LIT(list_number_s);
}
CR();
} else {
CR();
}
break;
case CMARK_NODE_HEADING:
if (entering) {
CR();
LIT(cmark_node_get_heading_level(node) == 1 ? ".SH" : ".SS");
CR();
} else {
CR();
}
break;
case CMARK_NODE_CODE_BLOCK:
CR();
LIT(".IP\n.nf\n\\f[C]\n");
OUT(cmark_node_get_literal(node), false, NORMAL);
CR();
LIT("\\f[]\n.fi");
CR();
break;
case CMARK_NODE_HTML_BLOCK:
break;
case CMARK_NODE_CUSTOM_BLOCK:
CR();
OUT(entering ? cmark_node_get_on_enter(node) : cmark_node_get_on_exit(node),
false, LITERAL);
CR();
break;
case CMARK_NODE_THEMATIC_BREAK:
CR();
LIT(".PP\n * * * * *");
CR();
break;
case CMARK_NODE_PARAGRAPH:
if (entering) {
// no blank line if first paragraph in list:
if (node->parent && node->parent->type == CMARK_NODE_ITEM &&
node->prev == NULL) {
// no blank line or .PP
} else {
CR();
LIT(".PP");
CR();
}
} else {
CR();
}
break;
case CMARK_NODE_TEXT:
OUT(cmark_node_get_literal(node), allow_wrap, NORMAL);
break;
case CMARK_NODE_LINEBREAK:
LIT(".PD 0\n.P\n.PD");
CR();
break;
case CMARK_NODE_SOFTBREAK:
if (options & CMARK_OPT_HARDBREAKS) {
LIT(".PD 0\n.P\n.PD");
CR();
} else if (renderer->width == 0 && !(CMARK_OPT_NOBREAKS & options)) {
CR();
} else {
OUT(" ", allow_wrap, LITERAL);
}
break;
case CMARK_NODE_CODE:
LIT("\\f[C]");
OUT(cmark_node_get_literal(node), allow_wrap, NORMAL);
LIT("\\f[]");
break;
case CMARK_NODE_HTML_INLINE:
break;
case CMARK_NODE_CUSTOM_INLINE:
OUT(entering ? cmark_node_get_on_enter(node) : cmark_node_get_on_exit(node),
false, LITERAL);
break;
case CMARK_NODE_STRONG:
if (entering) {
LIT("\\f[B]");
} else {
LIT("\\f[]");
}
break;
case CMARK_NODE_EMPH:
if (entering) {
LIT("\\f[I]");
} else {
LIT("\\f[]");
}
break;
case CMARK_NODE_LINK:
if (!entering) {
LIT(" (");
OUT(cmark_node_get_url(node), allow_wrap, URL);
LIT(")");
}
break;
case CMARK_NODE_IMAGE:
if (entering) {
LIT("[IMAGE: ");
} else {
LIT("]");
}
break;
case CMARK_NODE_FOOTNOTE_DEFINITION:
case CMARK_NODE_FOOTNOTE_REFERENCE:
// TODO
break;
default:
assert(false);
break;
}
return 1;
}
