Merge pull request #148 from phillmv/update-to-0290gfm2

Update GFM release to `0.29.0.gfm.2`
gjtorikian · Sep 17, 2021 · f30f525 · f30f525
2 parents c44b825 + 3fb4f9c
commit f30f525
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Showing 13 changed files with 627 additions and 744 deletions.
diff --git a/ext/commonmarker/blocks.c b/ext/commonmarker/blocks.c
@@ -468,7 +468,6 @@ static void process_footnotes(cmark_parser *parser) {
   while ((ev_type = cmark_iter_next(iter)) != CMARK_EVENT_DONE) {
     cur = cmark_iter_get_node(iter);
     if (ev_type == CMARK_EVENT_EXIT && cur->type == CMARK_NODE_FOOTNOTE_DEFINITION) {
-      cmark_node_unlink(cur);
       cmark_footnote_create(map, cur);
     }
   }
@@ -485,6 +484,15 @@ static void process_footnotes(cmark_parser *parser) {
         if (!footnote->ix)
           footnote->ix = ++ix;
 
+        // store a reference to this footnote reference's footnote definition
+        // this is used by renderers when generating label ids
+        cur->parent_footnote_def = footnote->node;
+
+        // keep track of a) count of how many times this footnote def has been
+        // referenced, and b) which reference index this footnote ref is at.
+        // this is used by renderers when generating links and backreferences.
+        cur->footnote.ref_ix = ++footnote->node->footnote.def_count;
+
         char n[32];
         snprintf(n, sizeof(n), "%d", footnote->ix);
         cmark_chunk_free(parser->mem, &cur->as.literal);
@@ -515,13 +523,16 @@ static void process_footnotes(cmark_parser *parser) {
     qsort(map->sorted, map->size, sizeof(cmark_map_entry *), sort_footnote_by_ix);
     for (unsigned int i = 0; i < map->size; ++i) {
       cmark_footnote *footnote = (cmark_footnote *)map->sorted[i];
-      if (!footnote->ix)
+      if (!footnote->ix) {
+        cmark_node_unlink(footnote->node);
         continue;
+      }
       cmark_node_append_child(parser->root, footnote->node);
       footnote->node = NULL;
     }
   }
 
+  cmark_unlink_footnotes_map(map);
   cmark_map_free(map);
 }
 

diff --git a/ext/commonmarker/cmark-gfm_version.h b/ext/commonmarker/cmark-gfm_version.h
@@ -1,7 +1,7 @@
 #ifndef CMARK_GFM_VERSION_H
 #define CMARK_GFM_VERSION_H
 
-#define CMARK_GFM_VERSION ((0 << 24) | (29 << 16) | (0 << 8) | 0)
-#define CMARK_GFM_VERSION_STRING "0.29.0.gfm.0"
+#define CMARK_GFM_VERSION ((0 << 24) | (29 << 16) | (0 << 8) | 2)
+#define CMARK_GFM_VERSION_STRING "0.29.0.gfm.2"
 
 #endif
diff --git a/ext/commonmarker/cmark-upstream b/ext/commonmarker/cmark-upstream
diff --git a/ext/commonmarker/commonmark.c b/ext/commonmarker/commonmark.c
@@ -477,7 +477,13 @@ static int S_render_node(cmark_renderer *renderer, cmark_node *node,
   case CMARK_NODE_FOOTNOTE_REFERENCE:
     if (entering) {
       LIT("[^");
-      OUT(cmark_chunk_to_cstr(renderer->mem, &node->as.literal), false, LITERAL);
+
+      char *footnote_label = renderer->mem->calloc(node->parent_footnote_def->as.literal.len + 1, sizeof(char));
+      memmove(footnote_label, node->parent_footnote_def->as.literal.data, node->parent_footnote_def->as.literal.len);
+
+      OUT(footnote_label, false, LITERAL);
+      renderer->mem->free(footnote_label);
+
       LIT("]");
     }
     break;
@@ -486,9 +492,13 @@ static int S_render_node(cmark_renderer *renderer, cmark_node *node,
     if (entering) {
       renderer->footnote_ix += 1;
       LIT("[^");
-      char n[32];
-      snprintf(n, sizeof(n), "%d", renderer->footnote_ix);
-      OUT(n, false, LITERAL);
+
+      char *footnote_label = renderer->mem->calloc(node->as.literal.len + 1, sizeof(char));
+      memmove(footnote_label, node->as.literal.data, node->as.literal.len);
+
+      OUT(footnote_label, false, LITERAL);
+      renderer->mem->free(footnote_label);
+
       LIT("]:\n");
 
       cmark_strbuf_puts(renderer->prefix, "    ");