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authorJohn MacFarlane <jgm@berkeley.edu>2015-03-29 16:24:15 -0700
committerJohn MacFarlane <jgm@berkeley.edu>2015-03-29 16:24:15 -0700
commit464b21b11b17009b09379e7edd6dac9c6479db98 (patch)
treeed61d479afdc1afd9fa2e9f4f940410d05407316 /src
parent53a48ee09495c15ba27aea06fb6621211bde831f (diff)
commonmark renderer - better inline code.
Use the minimum number of backticks as delimiter, and include a space only if needed.
Diffstat (limited to 'src')
-rw-r--r--src/commonmark.c37
1 files changed, 32 insertions, 5 deletions
diff --git a/src/commonmark.c b/src/commonmark.c
index fc508c6..6994ed1 100644
--- a/src/commonmark.c
+++ b/src/commonmark.c
@@ -215,10 +215,37 @@ longest_backtick_sequence(cmark_chunk *code)
}
static int
+shortest_unused_backtick_sequence(cmark_chunk *code)
+{
+ int32_t used = 1;
+ int current = 0;
+ int i = 0;
+ while (i <= code->len) {
+ if (code->data[i] == '`') {
+ current++;
+ } else {
+ if (current) {
+ used |= (1 << current);
+ }
+ current = 0;
+ }
+ i++;
+ }
+ // return number of first bit that is 0:
+ i = 0;
+ while (used & 1) {
+ used = used >> 1;
+ i++;
+ }
+ return i;
+}
+
+static int
S_render_node(cmark_node *node, cmark_event_type ev_type,
struct render_state *state)
{
cmark_node *tmp;
+ cmark_chunk *code;
int list_number;
cmark_delim_type list_delim;
int numticks;
@@ -324,8 +351,7 @@ S_render_node(cmark_node *node, cmark_event_type ev_type,
cmark_strbuf_truncate(state->prefix,
state->prefix->size - 4);
} else {
- numticks = longest_backtick_sequence(&node->as.code.literal)
- + 1;
+ numticks = longest_backtick_sequence(&node->as.code.literal) + 1;
if (numticks < 3) {
numticks = 3;
}
@@ -378,15 +404,16 @@ S_render_node(cmark_node *node, cmark_event_type ev_type,
break;
case CMARK_NODE_CODE:
- numticks = longest_backtick_sequence(&node->as.literal) + 1;
+ code = &node->as.literal;
+ numticks = shortest_unused_backtick_sequence(code);
for (i = 0; i < numticks; i++) {
lit(state, "`", false);
}
- if (numticks > 1) {
+ if (code->data[0] == '`') {
lit(state, " ", false);
}
out(state, node->as.literal, true, LITERAL);
- if (numticks > 1) {
+ if (code->data[code->len - 1] == '`') {
lit(state, " ", false);
}
for (i = 0; i < numticks; i++) {