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-rw-r--r--src/cmark.c2
-rw-r--r--src/cmark.h18
-rw-r--r--src/html.c71
-rw-r--r--src/main.c18
-rw-r--r--src/man.c2
-rw-r--r--src/xml.c2
6 files changed, 85 insertions, 28 deletions
diff --git a/src/cmark.c b/src/cmark.c
index 16817b9..1d7a500 100644
--- a/src/cmark.c
+++ b/src/cmark.c
@@ -13,7 +13,7 @@ char *cmark_markdown_to_html(const char *text, int len)
doc = cmark_parse_document(text, len);
- result = cmark_render_html(doc);
+ result = cmark_render_html(doc, CMARK_OPT_DEFAULT);
cmark_node_free(doc);
return result;
diff --git a/src/cmark.h b/src/cmark.h
index 8196158..da81de6 100644
--- a/src/cmark.h
+++ b/src/cmark.h
@@ -416,18 +416,30 @@ cmark_node *cmark_parse_file(FILE *f);
/** Render a 'node' tree as XML.
*/
CMARK_EXPORT
-char *cmark_render_xml(cmark_node *root);
+char *cmark_render_xml(cmark_node *root, long options);
/** Render a 'node' tree as an HTML fragment. It is up to the user
* to add an appropriate header and footer.
*/
CMARK_EXPORT
-char *cmark_render_html(cmark_node *root);
+char *cmark_render_html(cmark_node *root, long options);
/** Render a 'node' tree as a groff man page, without the header.
*/
CMARK_EXPORT
-char *cmark_render_man(cmark_node *root);
+char *cmark_render_man(cmark_node *root, long options);
+
+/** Default writer options.
+ */
+#define CMARK_OPT_DEFAULT 0
+
+/** Include a `data-sourcepos` attribute on all block elements.
+ */
+#define CMARK_OPT_SOURCEPOS 1
+
+/** Render `softbreak` elements as hard line breaks.
+ */
+#define CMARK_OPT_HARDBREAKS 2
/** # AUTHORS
*
diff --git a/src/html.c b/src/html.c
index 80e8d6d..67c93e9 100644
--- a/src/html.c
+++ b/src/html.c
@@ -38,15 +38,27 @@ struct render_state {
cmark_node *plain;
};
+static void
+S_render_sourcepos(cmark_node *node, cmark_strbuf *html, long options) {
+ if (CMARK_OPT_SOURCEPOS & options) {
+ cmark_strbuf_printf(html, " data-sourcepos=\"%d:%d-%d:%d\"",
+ cmark_node_get_start_line(node),
+ cmark_node_get_start_column(node),
+ cmark_node_get_end_line(node),
+ cmark_node_get_end_column(node));
+ }
+}
+
static int
-S_render_node(cmark_node *node, cmark_event_type ev_type, void *vstate)
+S_render_node(cmark_node *node, cmark_event_type ev_type, void *vstate,
+ long options)
{
struct render_state *state = vstate;
cmark_node *parent;
cmark_node *grandparent;
cmark_strbuf *html = state->html;
- char start_header[] = "<h0>";
- char end_header[] = "</h0>";
+ char start_header[] = "<h0";
+ char end_header[] = "</h0";
bool tight;
bool entering = (ev_type == CMARK_EVENT_ENTER);
@@ -82,7 +94,9 @@ S_render_node(cmark_node *node, cmark_event_type ev_type, void *vstate)
case CMARK_NODE_BLOCK_QUOTE:
if (entering) {
cr(html);
- cmark_strbuf_puts(html, "<blockquote>\n");
+ cmark_strbuf_puts(html, "<blockquote");
+ S_render_sourcepos(node, html, options);
+ cmark_strbuf_puts(html, ">\n");
} else {
cr(html);
cmark_strbuf_puts(html, "</blockquote>\n");
@@ -96,14 +110,21 @@ S_render_node(cmark_node *node, cmark_event_type ev_type, void *vstate)
if (entering) {
cr(html);
if (list_type == CMARK_BULLET_LIST) {
- cmark_strbuf_puts(html, "<ul>\n");
+ cmark_strbuf_puts(html, "<ul");
+ S_render_sourcepos(node, html, options);
+ cmark_strbuf_puts(html, ">\n");
}
else if (start == 1) {
- cmark_strbuf_puts(html, "<ol>\n");
+ cmark_strbuf_puts(html, "<ol");
+ S_render_sourcepos(node, html, options);
+ cmark_strbuf_puts(html, ">\n");
}
else {
- cmark_strbuf_printf(html, "<ol start=\"%d\">\n",
- start);
+ cmark_strbuf_printf(html,
+ "<ol start=\"%d\"",
+ start);
+ S_render_sourcepos(node, html, options);
+ cmark_strbuf_puts(html, ">\n");
}
} else {
cmark_strbuf_puts(html,
@@ -116,7 +137,9 @@ S_render_node(cmark_node *node, cmark_event_type ev_type, void *vstate)
case CMARK_NODE_ITEM:
if (entering) {
cr(html);
- cmark_strbuf_puts(html, "<li>");
+ cmark_strbuf_puts(html, "<li");
+ S_render_sourcepos(node, html, options);
+ cmark_strbuf_putc(html, '>');
} else {
cmark_strbuf_puts(html, "</li>\n");
}
@@ -127,10 +150,12 @@ S_render_node(cmark_node *node, cmark_event_type ev_type, void *vstate)
cr(html);
start_header[2] = '0' + node->as.header.level;
cmark_strbuf_puts(html, start_header);
+ S_render_sourcepos(node, html, options);
+ cmark_strbuf_putc(html, '>');
} else {
end_header[3] = '0' + node->as.header.level;
cmark_strbuf_puts(html, end_header);
- cmark_strbuf_putc(html, '\n');
+ cmark_strbuf_puts(html, ">\n");
}
break;
@@ -138,7 +163,9 @@ S_render_node(cmark_node *node, cmark_event_type ev_type, void *vstate)
cr(html);
if (!node->as.code.fenced || node->as.code.info.len == 0) {
- cmark_strbuf_puts(html, "<pre><code>");
+ cmark_strbuf_puts(html, "<pre");
+ S_render_sourcepos(node, html, options);
+ cmark_strbuf_puts(html, "><code>");
}
else {
int first_tag = 0;
@@ -147,7 +174,9 @@ S_render_node(cmark_node *node, cmark_event_type ev_type, void *vstate)
first_tag += 1;
}
- cmark_strbuf_puts(html, "<pre><code class=\"language-");
+ cmark_strbuf_puts(html, "<pre");
+ S_render_sourcepos(node, html, options);
+ cmark_strbuf_puts(html, "><code class=\"language-");
escape_html(html, node->as.code.info.data, first_tag);
cmark_strbuf_puts(html, "\">");
}
@@ -164,7 +193,9 @@ S_render_node(cmark_node *node, cmark_event_type ev_type, void *vstate)
case CMARK_NODE_HRULE:
cr(html);
- cmark_strbuf_puts(html, "<hr />\n");
+ cmark_strbuf_puts(html, "<hr");
+ S_render_sourcepos(node, html, options);
+ cmark_strbuf_puts(html, " />\n");
break;
case CMARK_NODE_PARAGRAPH:
@@ -179,7 +210,9 @@ S_render_node(cmark_node *node, cmark_event_type ev_type, void *vstate)
if (!tight) {
if (entering) {
cr(html);
- cmark_strbuf_puts(html, "<p>");
+ cmark_strbuf_puts(html, "<p");
+ S_render_sourcepos(node, html, options);
+ cmark_strbuf_putc(html, '>');
} else {
cmark_strbuf_puts(html, "</p>\n");
}
@@ -196,7 +229,11 @@ S_render_node(cmark_node *node, cmark_event_type ev_type, void *vstate)
break;
case CMARK_NODE_SOFTBREAK:
- cmark_strbuf_putc(html, '\n');
+ if (options & CMARK_OPT_HARDBREAKS) {
+ cmark_strbuf_puts(html, "<br />\n");
+ } else {
+ cmark_strbuf_putc(html, '\n');
+ }
break;
case CMARK_NODE_CODE:
@@ -269,7 +306,7 @@ S_render_node(cmark_node *node, cmark_event_type ev_type, void *vstate)
return 1;
}
-char *cmark_render_html(cmark_node *root)
+char *cmark_render_html(cmark_node *root, long options)
{
char *result;
cmark_strbuf html = GH_BUF_INIT;
@@ -280,7 +317,7 @@ char *cmark_render_html(cmark_node *root)
while ((ev_type = cmark_iter_next(iter)) != CMARK_EVENT_DONE) {
cur = cmark_iter_get_node(iter);
- S_render_node(cur, ev_type, &state);
+ S_render_node(cur, ev_type, &state, options);
}
result = (char *)cmark_strbuf_detach(&html);
diff --git a/src/main.c b/src/main.c
index dfdba3c..b2027ee 100644
--- a/src/main.c
+++ b/src/main.c
@@ -19,22 +19,25 @@ void print_usage()
printf("Usage: cmark [FILE*]\n");
printf("Options:\n");
printf(" --to, -t FORMAT Specify output format (html, xml, man)\n");
+ printf(" --sourcepos Include source position attribute\n");
+ printf(" --hardbreaks Treat newlines as hard line breaks\n");
printf(" --help, -h Print usage information\n");
printf(" --version Print version\n");
}
-static void print_document(cmark_node *document, writer_format writer)
+static void print_document(cmark_node *document, writer_format writer,
+ long options)
{
char *result;
switch (writer) {
case FORMAT_HTML:
- result = cmark_render_html(document);
+ result = cmark_render_html(document, options);
break;
case FORMAT_XML:
- result = cmark_render_xml(document);
+ result = cmark_render_xml(document, options);
break;
case FORMAT_MAN:
- result = cmark_render_man(document);
+ result = cmark_render_man(document, options);
break;
default:
fprintf(stderr, "Unknown format %d\n", writer);
@@ -53,6 +56,7 @@ int main(int argc, char *argv[])
size_t bytes;
cmark_node *document;
writer_format writer = FORMAT_HTML;
+ long options = CMARK_OPT_DEFAULT;
parser = cmark_parser_new();
files = (int *)malloc(argc * sizeof(*files));
@@ -62,6 +66,10 @@ int main(int argc, char *argv[])
printf("cmark %s", CMARK_VERSION);
printf(" - CommonMark converter (c) 2014 John MacFarlane\n");
exit(0);
+ } else if (strcmp(argv[i], "--sourcepos") == 0) {
+ options |= CMARK_OPT_SOURCEPOS;
+ } else if (strcmp(argv[i], "--hardbreaks") == 0) {
+ options |= CMARK_OPT_HARDBREAKS;
} else if ((strcmp(argv[i], "--help") == 0) ||
(strcmp(argv[i], "-h") == 0)) {
print_usage();
@@ -130,7 +138,7 @@ int main(int argc, char *argv[])
cmark_parser_free(parser);
start_timer();
- print_document(document, writer);
+ print_document(document, writer, options);
end_timer("print_document");
start_timer();
diff --git a/src/man.c b/src/man.c
index d6bfc81..4f15951 100644
--- a/src/man.c
+++ b/src/man.c
@@ -226,7 +226,7 @@ S_render_node(cmark_node *node, cmark_event_type ev_type, void *vstate)
return 1;
}
-char *cmark_render_man(cmark_node *root)
+char *cmark_render_man(cmark_node *root, long options)
{
char *result;
cmark_strbuf man = GH_BUF_INIT;
diff --git a/src/xml.c b/src/xml.c
index 2cfd800..8f48a12 100644
--- a/src/xml.c
+++ b/src/xml.c
@@ -120,7 +120,7 @@ S_render_node(cmark_node *node, cmark_event_type ev_type, void *vstate)
return 1;
}
-char *cmark_render_xml(cmark_node *root)
+char *cmark_render_xml(cmark_node *root, long options)
{
char *result;
cmark_strbuf xml = GH_BUF_INIT;
generated by cgit v1.2.3 (git 2.46.0) at 2024-11-29 19:12:04 +0000