Use clang-format, llvm style, for formatting.

* Reformatted all source files.
* Added 'format' target to Makefile.
* Removed 'astyle' target.
* Updated .editorconfig.

1 files changed, 746 insertions, 839 deletions

diff --git a/src/node.c b/src/node.c
index 7b1bb10..ad12d63 100644
--- a/src/node.c
+++ b/src/node.c
@@ -4,855 +4,762 @@
 #include "config.h"
 #include "node.h"
 
-static void
-S_node_unlink(cmark_node *node);
-
-static inline bool
-S_is_block(cmark_node *node)
-{
-	if (node == NULL) {
-		return false;
-	}
-	return node->type >= CMARK_NODE_FIRST_BLOCK
-	       && node->type <= CMARK_NODE_LAST_BLOCK;
-}
-
-static inline bool
-S_is_inline(cmark_node *node)
-{
-	if (node == NULL) {
-		return false;
-	}
-	return node->type >= CMARK_NODE_FIRST_INLINE
-	       && node->type <= CMARK_NODE_LAST_INLINE;
-}
-
-static bool
-S_can_contain(cmark_node *node, cmark_node *child)
-{
-	cmark_node *cur;
-
-	if (node == NULL || child == NULL) {
-		return false;
-	}
-
-	// Verify that child is not an ancestor of node or equal to node.
-	cur = node;
-	do {
-		if (cur == child) {
-			return false;
-		}
-		cur = cur->parent;
-	} while (cur != NULL);
-
-	if (child->type == CMARK_NODE_DOCUMENT) {
-		return false;
-	}
-
-	switch (node->type) {
-	case CMARK_NODE_DOCUMENT:
-	case CMARK_NODE_BLOCK_QUOTE:
-	case CMARK_NODE_ITEM:
-		return S_is_block(child)
-		       && child->type != CMARK_NODE_ITEM;
-
-	case CMARK_NODE_LIST:
-		return child->type == CMARK_NODE_ITEM;
-
-	case CMARK_NODE_PARAGRAPH:
-	case CMARK_NODE_HEADER:
-	case CMARK_NODE_EMPH:
-	case CMARK_NODE_STRONG:
-	case CMARK_NODE_LINK:
-	case CMARK_NODE_IMAGE:
-		return S_is_inline(child);
-
-	default:
-		break;
-	}
-
-	return false;
-}
-
-cmark_node*
-cmark_node_new(cmark_node_type type)
-{
-	cmark_node *node = (cmark_node *)calloc(1, sizeof(*node));
-	node->type = type;
-
-	switch (node->type) {
-	case CMARK_NODE_HEADER:
-		node->as.header.level = 1;
-		break;
-
-	case CMARK_NODE_LIST: {
-		cmark_list *list = &node->as.list;
-		list->list_type = CMARK_BULLET_LIST;
-		list->start     = 1;
-		list->tight     = false;
-		break;
-	}
-
-	default:
-		break;
-	}
-
-	return node;
+static void S_node_unlink(cmark_node *node);
+
+static inline bool S_is_block(cmark_node *node) {
+  if (node == NULL) {
+    return false;
+  }
+  return node->type >= CMARK_NODE_FIRST_BLOCK &&
+         node->type <= CMARK_NODE_LAST_BLOCK;
+}
+
+static inline bool S_is_inline(cmark_node *node) {
+  if (node == NULL) {
+    return false;
+  }
+  return node->type >= CMARK_NODE_FIRST_INLINE &&
+         node->type <= CMARK_NODE_LAST_INLINE;
+}
+
+static bool S_can_contain(cmark_node *node, cmark_node *child) {
+  cmark_node *cur;
+
+  if (node == NULL || child == NULL) {
+    return false;
+  }
+
+  // Verify that child is not an ancestor of node or equal to node.
+  cur = node;
+  do {
+    if (cur == child) {
+      return false;
+    }
+    cur = cur->parent;
+  } while (cur != NULL);
+
+  if (child->type == CMARK_NODE_DOCUMENT) {
+    return false;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_DOCUMENT:
+  case CMARK_NODE_BLOCK_QUOTE:
+  case CMARK_NODE_ITEM:
+    return S_is_block(child) && child->type != CMARK_NODE_ITEM;
+
+  case CMARK_NODE_LIST:
+    return child->type == CMARK_NODE_ITEM;
+
+  case CMARK_NODE_PARAGRAPH:
+  case CMARK_NODE_HEADER:
+  case CMARK_NODE_EMPH:
+  case CMARK_NODE_STRONG:
+  case CMARK_NODE_LINK:
+  case CMARK_NODE_IMAGE:
+    return S_is_inline(child);
+
+  default:
+    break;
+  }
+
+  return false;
+}
+
+cmark_node *cmark_node_new(cmark_node_type type) {
+  cmark_node *node = (cmark_node *)calloc(1, sizeof(*node));
+  node->type = type;
+
+  switch (node->type) {
+  case CMARK_NODE_HEADER:
+    node->as.header.level = 1;
+    break;
+
+  case CMARK_NODE_LIST: {
+    cmark_list *list = &node->as.list;
+    list->list_type = CMARK_BULLET_LIST;
+    list->start = 1;
+    list->tight = false;
+    break;
+  }
+
+  default:
+    break;
+  }
+
+  return node;
 }
 
 // Free a cmark_node list and any children.
-static
-void S_free_nodes(cmark_node *e)
-{
-	cmark_node *next;
-	while (e != NULL) {
-		if (S_is_block(e)) {
-			cmark_strbuf_free(&e->string_content);
-		}
-		switch (e->type) {
-		case NODE_CODE_BLOCK:
-			cmark_chunk_free(&e->as.code.info);
-			cmark_chunk_free(&e->as.code.literal);
-			break;
-		case NODE_TEXT:
-		case NODE_INLINE_HTML:
-		case NODE_CODE:
-		case NODE_HTML:
-			cmark_chunk_free(&e->as.literal);
-			break;
-		case NODE_LINK:
-		case NODE_IMAGE:
-			cmark_chunk_free(&e->as.link.url);
-			cmark_chunk_free(&e->as.link.title);
-			break;
-		default:
-			break;
-		}
-		if (e->last_child) {
-			// Splice children into list
-			e->last_child->next = e->next;
-			e->next = e->first_child;
-		}
-		next = e->next;
-		free(e);
-		e = next;
-	}
-}
-
-void
-cmark_node_free(cmark_node *node)
-{
-	S_node_unlink(node);
-	node->next = NULL;
-	S_free_nodes(node);
-}
-
-cmark_node_type
-cmark_node_get_type(cmark_node *node)
-{
-	if (node == NULL) {
-		return CMARK_NODE_NONE;
-	} else {
-		return node->type;
-	}
-}
-
-const char*
-cmark_node_get_type_string(cmark_node *node)
-{
-	if (node == NULL) {
-		return "NONE";
-	}
-
-	switch (node->type) {
-	case CMARK_NODE_NONE:
-		return "none";
-	case CMARK_NODE_DOCUMENT:
-		return "document";
-	case CMARK_NODE_BLOCK_QUOTE:
-		return "block_quote";
-	case CMARK_NODE_LIST:
-		return "list";
-	case CMARK_NODE_ITEM:
-		return "item";
-	case CMARK_NODE_CODE_BLOCK:
-		return "code_block";
-	case CMARK_NODE_HTML:
-		return "html";
-	case CMARK_NODE_PARAGRAPH:
-		return "paragraph";
-	case CMARK_NODE_HEADER:
-		return "header";
-	case CMARK_NODE_HRULE:
-		return "hrule";
-	case CMARK_NODE_TEXT:
-		return "text";
-	case CMARK_NODE_SOFTBREAK:
-		return "softbreak";
-	case CMARK_NODE_LINEBREAK:
-		return "linebreak";
-	case CMARK_NODE_CODE:
-		return "code";
-	case CMARK_NODE_INLINE_HTML:
-		return "inline_html";
-	case CMARK_NODE_EMPH:
-		return "emph";
-	case CMARK_NODE_STRONG:
-		return "strong";
-	case CMARK_NODE_LINK:
-		return "link";
-	case CMARK_NODE_IMAGE:
-		return "image";
-	}
-
-	return "<unknown>";
-}
-
-cmark_node*
-cmark_node_next(cmark_node *node)
-{
-	if (node == NULL) {
-		return NULL;
-	} else {
-		return node->next;
-	}
-}
-
-cmark_node*
-cmark_node_previous(cmark_node *node)
-{
-	if (node == NULL) {
-		return NULL;
-	} else {
-		return node->prev;
-	}
-}
-
-cmark_node*
-cmark_node_parent(cmark_node *node)
-{
-	if (node == NULL) {
-		return NULL;
-	} else {
-		return node->parent;
-	}
-}
-
-cmark_node*
-cmark_node_first_child(cmark_node *node)
-{
-	if (node == NULL) {
-		return NULL;
-	} else {
-		return node->first_child;
-	}
-}
-
-cmark_node*
-cmark_node_last_child(cmark_node *node)
-{
-	if (node == NULL) {
-		return NULL;
-	} else {
-		return node->last_child;
-	}
-}
-
-void*
-cmark_node_get_user_data(cmark_node *node)
-{
-	if (node == NULL) {
-		return NULL;
-	} else {
-		return node->user_data;
-	}
-}
-
-int
-cmark_node_set_user_data(cmark_node *node, void *user_data)
-{
-	if (node == NULL) {
-		return 0;
-	}
-	node->user_data = user_data;
-	return 1;
-}
-
-const char*
-cmark_node_get_literal(cmark_node *node)
-{
-	if (node == NULL) {
-		return NULL;
-	}
-
-	switch (node->type) {
-	case NODE_HTML:
-	case NODE_TEXT:
-	case NODE_INLINE_HTML:
-	case NODE_CODE:
-		return cmark_chunk_to_cstr(&node->as.literal);
-
-	case NODE_CODE_BLOCK:
-		return cmark_chunk_to_cstr(&node->as.code.literal);
-
-	default:
-		break;
-	}
-
-	return NULL;
-}
-
-int
-cmark_node_set_literal(cmark_node *node, const char *content)
-{
-	if (node == NULL) {
-		return 0;
-	}
-
-	switch (node->type) {
-	case NODE_HTML:
-	case NODE_TEXT:
-	case NODE_INLINE_HTML:
-	case NODE_CODE:
-		cmark_chunk_set_cstr(&node->as.literal, content);
-		return 1;
-
-	case NODE_CODE_BLOCK:
-		cmark_chunk_set_cstr(&node->as.code.literal, content);
-		return 1;
-
-	default:
-		break;
-	}
-
-	return 0;
-}
-
-int
-cmark_node_get_header_level(cmark_node *node)
-{
-	if (node == NULL) {
-		return 0;
-	}
-
-	switch (node->type) {
-	case CMARK_NODE_HEADER:
-		return node->as.header.level;
-
-	default:
-		break;
-	}
-
-	return 0;
-}
-
-int
-cmark_node_set_header_level(cmark_node *node, int level)
-{
-	if (node == NULL || level < 1 || level > 6) {
-		return 0;
-	}
-
-	switch (node->type) {
-	case CMARK_NODE_HEADER:
-		node->as.header.level = level;
-		return 1;
-
-	default:
-		break;
-	}
-
-	return 0;
-}
-
-cmark_list_type
-cmark_node_get_list_type(cmark_node *node)
-{
-	if (node == NULL) {
-		return CMARK_NO_LIST;
-	}
-
-	if (node->type == CMARK_NODE_LIST) {
-		return node->as.list.list_type;
-	} else {
-		return CMARK_NO_LIST;
-	}
-}
-
-int
-cmark_node_set_list_type(cmark_node *node, cmark_list_type type)
-{
-	if (!(type == CMARK_BULLET_LIST || type == CMARK_ORDERED_LIST)) {
-		return 0;
-	}
-
-	if (node == NULL) {
-		return 0;
-	}
-
-	if (node->type == CMARK_NODE_LIST) {
-		node->as.list.list_type = type;
-		return 1;
-	} else {
-		return 0;
-	}
-}
-
-cmark_delim_type
-cmark_node_get_list_delim(cmark_node *node)
-{
-	if (node == NULL) {
-		return CMARK_NO_DELIM;
-	}
-
-	if (node->type == CMARK_NODE_LIST) {
-		return node->as.list.delimiter;
-	} else {
-		return CMARK_NO_DELIM;
-	}
-}
-
-int
-cmark_node_set_list_delim(cmark_node *node, cmark_delim_type delim)
-{
-	if (!(delim == CMARK_PERIOD_DELIM || delim == CMARK_PAREN_DELIM)) {
-		return 0;
-	}
-
-	if (node == NULL) {
-		return 0;
-	}
-
-	if (node->type == CMARK_NODE_LIST) {
-		node->as.list.delimiter = delim;
-		return 1;
-	} else {
-		return 0;
-	}
-}
-
-int
-cmark_node_get_list_start(cmark_node *node)
-{
-	if (node == NULL) {
-		return 0;
-	}
-
-	if (node->type == CMARK_NODE_LIST) {
-		return node->as.list.start;
-	} else {
-		return 0;
-	}
-}
-
-int
-cmark_node_set_list_start(cmark_node *node, int start)
-{
-	if (node == NULL || start < 0) {
-		return 0;
-	}
-
-	if (node->type == CMARK_NODE_LIST) {
-		node->as.list.start = start;
-		return 1;
-	} else {
-		return 0;
-	}
-}
-
-int
-cmark_node_get_list_tight(cmark_node *node)
-{
-	if (node == NULL) {
-		return 0;
-	}
-
-	if (node->type == CMARK_NODE_LIST) {
-		return node->as.list.tight;
-	} else {
-		return 0;
-	}
-}
-
-int
-cmark_node_set_list_tight(cmark_node *node, int tight)
-{
-	if (node == NULL) {
-		return 0;
-	}
-
-	if (node->type == CMARK_NODE_LIST) {
-		node->as.list.tight = tight;
-		return 1;
-	} else {
-		return 0;
-	}
-}
-
-const char*
-cmark_node_get_fence_info(cmark_node *node)
-{
-	if (node == NULL) {
-		return NULL;
-	}
-
-	if (node->type == NODE_CODE_BLOCK) {
-		return cmark_chunk_to_cstr(&node->as.code.info);
-	} else {
-		return NULL;
-	}
-}
-
-int
-cmark_node_set_fence_info(cmark_node *node, const char *info)
-{
-	if (node == NULL) {
-		return 0;
-	}
-
-	if (node->type == NODE_CODE_BLOCK) {
-		cmark_chunk_set_cstr(&node->as.code.info, info);
-		return 1;
-	} else {
-		return 0;
-	}
-}
-
-const char*
-cmark_node_get_url(cmark_node *node)
-{
-	if (node == NULL) {
-		return NULL;
-	}
-
-	switch (node->type) {
-	case NODE_LINK:
-	case NODE_IMAGE:
-		return cmark_chunk_to_cstr(&node->as.link.url);
-	default:
-		break;
-	}
-
-	return NULL;
-}
-
-int
-cmark_node_set_url(cmark_node *node, const char *url)
-{
-	if (node == NULL) {
-		return 0;
-	}
-
-	switch (node->type) {
-	case NODE_LINK:
-	case NODE_IMAGE:
-		cmark_chunk_set_cstr(&node->as.link.url, url);
-		return 1;
-	default:
-		break;
-	}
-
-	return 0;
-}
-
-const char*
-cmark_node_get_title(cmark_node *node)
-{
-	if (node == NULL) {
-		return NULL;
-	}
-
-	switch (node->type) {
-	case NODE_LINK:
-	case NODE_IMAGE:
-		return cmark_chunk_to_cstr(&node->as.link.title);
-	default:
-		break;
-	}
-
-	return NULL;
-}
-
-int
-cmark_node_set_title(cmark_node *node, const char *title)
-{
-	if (node == NULL) {
-		return 0;
-	}
-
-	switch (node->type) {
-	case NODE_LINK:
-	case NODE_IMAGE:
-		cmark_chunk_set_cstr(&node->as.link.title, title);
-		return 1;
-	default:
-		break;
-	}
-
-	return 0;
-}
-
-int
-cmark_node_get_start_line(cmark_node *node)
-{
-	if (node == NULL) {
-		return 0;
-	}
-	return node->start_line;
-}
-
-int
-cmark_node_get_start_column(cmark_node *node)
-{
-	if (node == NULL) {
-		return 0;
-	}
-	return node->start_column;
-}
-
-int
-cmark_node_get_end_line(cmark_node *node)
-{
-	if (node == NULL) {
-		return 0;
-	}
-	return node->end_line;
-}
-
-int
-cmark_node_get_end_column(cmark_node *node)
-{
-	if (node == NULL) {
-		return 0;
-	}
-	return node->end_column;
+static void S_free_nodes(cmark_node *e) {
+  cmark_node *next;
+  while (e != NULL) {
+    if (S_is_block(e)) {
+      cmark_strbuf_free(&e->string_content);
+    }
+    switch (e->type) {
+    case NODE_CODE_BLOCK:
+      cmark_chunk_free(&e->as.code.info);
+      cmark_chunk_free(&e->as.code.literal);
+      break;
+    case NODE_TEXT:
+    case NODE_INLINE_HTML:
+    case NODE_CODE:
+    case NODE_HTML:
+      cmark_chunk_free(&e->as.literal);
+      break;
+    case NODE_LINK:
+    case NODE_IMAGE:
+      cmark_chunk_free(&e->as.link.url);
+      cmark_chunk_free(&e->as.link.title);
+      break;
+    default:
+      break;
+    }
+    if (e->last_child) {
+      // Splice children into list
+      e->last_child->next = e->next;
+      e->next = e->first_child;
+    }
+    next = e->next;
+    free(e);
+    e = next;
+  }
+}
+
+void cmark_node_free(cmark_node *node) {
+  S_node_unlink(node);
+  node->next = NULL;
+  S_free_nodes(node);
+}
+
+cmark_node_type cmark_node_get_type(cmark_node *node) {
+  if (node == NULL) {
+    return CMARK_NODE_NONE;
+  } else {
+    return node->type;
+  }
+}
+
+const char *cmark_node_get_type_string(cmark_node *node) {
+  if (node == NULL) {
+    return "NONE";
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_NONE:
+    return "none";
+  case CMARK_NODE_DOCUMENT:
+    return "document";
+  case CMARK_NODE_BLOCK_QUOTE:
+    return "block_quote";
+  case CMARK_NODE_LIST:
+    return "list";
+  case CMARK_NODE_ITEM:
+    return "item";
+  case CMARK_NODE_CODE_BLOCK:
+    return "code_block";
+  case CMARK_NODE_HTML:
+    return "html";
+  case CMARK_NODE_PARAGRAPH:
+    return "paragraph";
+  case CMARK_NODE_HEADER:
+    return "header";
+  case CMARK_NODE_HRULE:
+    return "hrule";
+  case CMARK_NODE_TEXT:
+    return "text";
+  case CMARK_NODE_SOFTBREAK:
+    return "softbreak";
+  case CMARK_NODE_LINEBREAK:
+    return "linebreak";
+  case CMARK_NODE_CODE:
+    return "code";
+  case CMARK_NODE_INLINE_HTML:
+    return "inline_html";
+  case CMARK_NODE_EMPH:
+    return "emph";
+  case CMARK_NODE_STRONG:
+    return "strong";
+  case CMARK_NODE_LINK:
+    return "link";
+  case CMARK_NODE_IMAGE:
+    return "image";
+  }
+
+  return "<unknown>";
+}
+
+cmark_node *cmark_node_next(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  } else {
+    return node->next;
+  }
+}
+
+cmark_node *cmark_node_previous(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  } else {
+    return node->prev;
+  }
+}
+
+cmark_node *cmark_node_parent(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  } else {
+    return node->parent;
+  }
+}
+
+cmark_node *cmark_node_first_child(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  } else {
+    return node->first_child;
+  }
+}
+
+cmark_node *cmark_node_last_child(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  } else {
+    return node->last_child;
+  }
+}
+
+void *cmark_node_get_user_data(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  } else {
+    return node->user_data;
+  }
+}
+
+int cmark_node_set_user_data(cmark_node *node, void *user_data) {
+  if (node == NULL) {
+    return 0;
+  }
+  node->user_data = user_data;
+  return 1;
+}
+
+const char *cmark_node_get_literal(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  }
+
+  switch (node->type) {
+  case NODE_HTML:
+  case NODE_TEXT:
+  case NODE_INLINE_HTML:
+  case NODE_CODE:
+    return cmark_chunk_to_cstr(&node->as.literal);
+
+  case NODE_CODE_BLOCK:
+    return cmark_chunk_to_cstr(&node->as.code.literal);
+
+  default:
+    break;
+  }
+
+  return NULL;
+}
+
+int cmark_node_set_literal(cmark_node *node, const char *content) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  switch (node->type) {
+  case NODE_HTML:
+  case NODE_TEXT:
+  case NODE_INLINE_HTML:
+  case NODE_CODE:
+    cmark_chunk_set_cstr(&node->as.literal, content);
+    return 1;
+
+  case NODE_CODE_BLOCK:
+    cmark_chunk_set_cstr(&node->as.code.literal, content);
+    return 1;
+
+  default:
+    break;
+  }
+
+  return 0;
+}
+
+int cmark_node_get_header_level(cmark_node *node) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_HEADER:
+    return node->as.header.level;
+
+  default:
+    break;
+  }
+
+  return 0;
+}
+
+int cmark_node_set_header_level(cmark_node *node, int level) {
+  if (node == NULL || level < 1 || level > 6) {
+    return 0;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_HEADER:
+    node->as.header.level = level;
+    return 1;
+
+  default:
+    break;
+  }
+
+  return 0;
+}
+
+cmark_list_type cmark_node_get_list_type(cmark_node *node) {
+  if (node == NULL) {
+    return CMARK_NO_LIST;
+  }
+
+  if (node->type == CMARK_NODE_LIST) {
+    return node->as.list.list_type;
+  } else {
+    return CMARK_NO_LIST;
+  }
+}
+
+int cmark_node_set_list_type(cmark_node *node, cmark_list_type type) {
+  if (!(type == CMARK_BULLET_LIST || type == CMARK_ORDERED_LIST)) {
+    return 0;
+  }
+
+  if (node == NULL) {
+    return 0;
+  }
+
+  if (node->type == CMARK_NODE_LIST) {
+    node->as.list.list_type = type;
+    return 1;
+  } else {
+    return 0;
+  }
+}
+
+cmark_delim_type cmark_node_get_list_delim(cmark_node *node) {
+  if (node == NULL) {
+    return CMARK_NO_DELIM;
+  }
+
+  if (node->type == CMARK_NODE_LIST) {
+    return node->as.list.delimiter;
+  } else {
+    return CMARK_NO_DELIM;
+  }
+}
+
+int cmark_node_set_list_delim(cmark_node *node, cmark_delim_type delim) {
+  if (!(delim == CMARK_PERIOD_DELIM || delim == CMARK_PAREN_DELIM)) {
+    return 0;
+  }
+
+  if (node == NULL) {
+    return 0;
+  }
+
+  if (node->type == CMARK_NODE_LIST) {
+    node->as.list.delimiter = delim;
+    return 1;
+  } else {
+    return 0;
+  }
+}
+
+int cmark_node_get_list_start(cmark_node *node) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  if (node->type == CMARK_NODE_LIST) {
+    return node->as.list.start;
+  } else {
+    return 0;
+  }
+}
+
+int cmark_node_set_list_start(cmark_node *node, int start) {
+  if (node == NULL || start < 0) {
+    return 0;
+  }
+
+  if (node->type == CMARK_NODE_LIST) {
+    node->as.list.start = start;
+    return 1;
+  } else {
+    return 0;
+  }
+}
+
+int cmark_node_get_list_tight(cmark_node *node) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  if (node->type == CMARK_NODE_LIST) {
+    return node->as.list.tight;
+  } else {
+    return 0;
+  }
+}
+
+int cmark_node_set_list_tight(cmark_node *node, int tight) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  if (node->type == CMARK_NODE_LIST) {
+    node->as.list.tight = tight;
+    return 1;
+  } else {
+    return 0;
+  }
+}
+
+const char *cmark_node_get_fence_info(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  }
+
+  if (node->type == NODE_CODE_BLOCK) {
+    return cmark_chunk_to_cstr(&node->as.code.info);
+  } else {
+    return NULL;
+  }
+}
+
+int cmark_node_set_fence_info(cmark_node *node, const char *info) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  if (node->type == NODE_CODE_BLOCK) {
+    cmark_chunk_set_cstr(&node->as.code.info, info);
+    return 1;
+  } else {
+    return 0;
+  }
+}
+
+const char *cmark_node_get_url(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  }
+
+  switch (node->type) {
+  case NODE_LINK:
+  case NODE_IMAGE:
+    return cmark_chunk_to_cstr(&node->as.link.url);
+  default:
+    break;
+  }
+
+  return NULL;
+}
+
+int cmark_node_set_url(cmark_node *node, const char *url) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  switch (node->type) {
+  case NODE_LINK:
+  case NODE_IMAGE:
+    cmark_chunk_set_cstr(&node->as.link.url, url);
+    return 1;
+  default:
+    break;
+  }
+
+  return 0;
+}
+
+const char *cmark_node_get_title(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  }
+
+  switch (node->type) {
+  case NODE_LINK:
+  case NODE_IMAGE:
+    return cmark_chunk_to_cstr(&node->as.link.title);
+  default:
+    break;
+  }
+
+  return NULL;
+}
+
+int cmark_node_set_title(cmark_node *node, const char *title) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  switch (node->type) {
+  case NODE_LINK:
+  case NODE_IMAGE:
+    cmark_chunk_set_cstr(&node->as.link.title, title);
+    return 1;
+  default:
+    break;
+  }
+
+  return 0;
+}
+
+int cmark_node_get_start_line(cmark_node *node) {
+  if (node == NULL) {
+    return 0;
+  }
+  return node->start_line;
+}
+
+int cmark_node_get_start_column(cmark_node *node) {
+  if (node == NULL) {
+    return 0;
+  }
+  return node->start_column;
+}
+
+int cmark_node_get_end_line(cmark_node *node) {
+  if (node == NULL) {
+    return 0;
+  }
+  return node->end_line;
+}
+
+int cmark_node_get_end_column(cmark_node *node) {
+  if (node == NULL) {
+    return 0;
+  }
+  return node->end_column;
 }
 
 // Unlink a node without adjusting its next, prev, and parent pointers.
-static void
-S_node_unlink(cmark_node *node)
-{
-	if (node == NULL) {
-		return;
-	}
+static void S_node_unlink(cmark_node *node) {
+  if (node == NULL) {
+    return;
+  }
 
-	if (node->prev) {
-		node->prev->next = node->next;
-	}
-	if (node->next) {
-		node->next->prev = node->prev;
-	}
-
-	// Adjust first_child and last_child of parent.
-	cmark_node *parent = node->parent;
-	if (parent) {
-		if (parent->first_child == node) {
-			parent->first_child = node->next;
-		}
-		if (parent->last_child == node) {
-			parent->last_child = node->prev;
-		}
-	}
-}
-
-void
-cmark_node_unlink(cmark_node *node)
-{
-	S_node_unlink(node);
-
-	node->next   = NULL;
-	node->prev   = NULL;
-	node->parent = NULL;
+  if (node->prev) {
+    node->prev->next = node->next;
+  }
+  if (node->next) {
+    node->next->prev = node->prev;
+  }
 
-}
-
-int
-cmark_node_insert_before(cmark_node *node, cmark_node *sibling)
-{
-	if (node == NULL || sibling == NULL) {
-		return 0;
-	}
+  // Adjust first_child and last_child of parent.
+  cmark_node *parent = node->parent;
+  if (parent) {
+    if (parent->first_child == node) {
+      parent->first_child = node->next;
+    }
+    if (parent->last_child == node) {
+      parent->last_child = node->prev;
+    }
+  }
+}
 
-	if (!node->parent || !S_can_contain(node->parent, sibling)) {
-		return 0;
-	}
-
-	S_node_unlink(sibling);
+void cmark_node_unlink(cmark_node *node) {
+  S_node_unlink(node);
 
-	cmark_node *old_prev = node->prev;
-
-	// Insert 'sibling' between 'old_prev' and 'node'.
-	if (old_prev) {
-		old_prev->next = sibling;
-	}
-	sibling->prev = old_prev;
-	sibling->next = node;
-	node->prev    = sibling;
+  node->next = NULL;
+  node->prev = NULL;
+  node->parent = NULL;
+}
+
+int cmark_node_insert_before(cmark_node *node, cmark_node *sibling) {
+  if (node == NULL || sibling == NULL) {
+    return 0;
+  }
+
+  if (!node->parent || !S_can_contain(node->parent, sibling)) {
+    return 0;
+  }
+
+  S_node_unlink(sibling);
+
+  cmark_node *old_prev = node->prev;
+
+  // Insert 'sibling' between 'old_prev' and 'node'.
+  if (old_prev) {
+    old_prev->next = sibling;
+  }
+  sibling->prev = old_prev;
+  sibling->next = node;
+  node->prev = sibling;
 
-	// Set new parent.
-	cmark_node *parent = node->parent;
-	sibling->parent = parent;
-
-	// Adjust first_child of parent if inserted as first child.
-	if (parent && !old_prev) {
-		parent->first_child = sibling;
-	}
-
-	return 1;
+  // Set new parent.
+  cmark_node *parent = node->parent;
+  sibling->parent = parent;
+
+  // Adjust first_child of parent if inserted as first child.
+  if (parent && !old_prev) {
+    parent->first_child = sibling;
+  }
+
+  return 1;
 }
-
-int
-cmark_node_insert_after(cmark_node *node, cmark_node *sibling)
-{
-	if (node == NULL || sibling == NULL) {
-		return 0;
-	}
-
-	if (!node->parent || !S_can_contain(node->parent, sibling)) {
-		return 0;
-	}
-
-	S_node_unlink(sibling);
-
-	cmark_node *old_next = node->next;
-
-	// Insert 'sibling' between 'node' and 'old_next'.
-	if (old_next) {
-		old_next->prev = sibling;
-	}
-	sibling->next = old_next;
-	sibling->prev = node;
-	node->next    = sibling;
-
-	// Set new parent.
-	cmark_node *parent = node->parent;
-	sibling->parent = parent;
-
-	// Adjust last_child of parent if inserted as last child.
-	if (parent && !old_next) {
-		parent->last_child = sibling;
-	}
-
-	return 1;
-}
-
-int
-cmark_node_prepend_child(cmark_node *node, cmark_node *child)
-{
-	if (!S_can_contain(node, child)) {
-		return 0;
-	}
-
-	S_node_unlink(child);
-
-	cmark_node *old_first_child = node->first_child;
-
-	child->next       = old_first_child;
-	child->prev       = NULL;
-	child->parent     = node;
-	node->first_child = child;
-
-	if (old_first_child) {
-		old_first_child->prev = child;
-	} else {
-		// Also set last_child if node previously had no children.
-		node->last_child = child;
-	}
-
-	return 1;
-}
-
-int
-cmark_node_append_child(cmark_node *node, cmark_node *child)
-{
-	if (!S_can_contain(node, child)) {
-		return 0;
-	}
-
-	S_node_unlink(child);
-
-	cmark_node *old_last_child = node->last_child;
-
-	child->next      = NULL;
-	child->prev      = old_last_child;
-	child->parent    = node;
-	node->last_child = child;
-
-	if (old_last_child) {
-		old_last_child->next = child;
-	} else {
-		// Also set first_child if node previously had no children.
-		node->first_child = child;
-	}
-
-	return 1;
-}
-
-static void
-S_print_error(FILE *out, cmark_node *node, const char *elem)
-{
-	if (out == NULL) {
-		return;
-	}
-	fprintf(out, "Invalid '%s' in node type %s at %d:%d\n", elem,
-	        cmark_node_get_type_string(node), node->start_line,
-	        node->start_column);
-}
-
-int
-cmark_node_check(cmark_node *node, FILE *out)
-{
-	cmark_node *cur;
-	int errors = 0;
-
-	if (!node) {
-		return 0;
-	}
-
-	cur = node;
-	while (true) {
-		if (cur->first_child) {
-			if (cur->first_child->prev != NULL) {
-				S_print_error(out, cur->first_child, "prev");
-				cur->first_child->prev = NULL;
-				++errors;
-			}
-			if (cur->first_child->parent != cur) {
-				S_print_error(out, cur->first_child, "parent");
-				cur->first_child->parent = cur;
-				++errors;
-			}
-			cur = cur->first_child;
-			continue;
-		}
-
-next_sibling:
-		if (cur == node) {
-			break;
-		}
-		if (cur->next) {
-			if (cur->next->prev != cur) {
-				S_print_error(out, cur->next, "prev");
-				cur->next->prev = cur;
-				++errors;
-			}
-			if (cur->next->parent != cur->parent) {
-				S_print_error(out, cur->next, "parent");
-				cur->next->parent = cur->parent;
-				++errors;
-			}
-			cur = cur->next;
-			continue;
-		}
-
-		if (cur->parent->last_child != cur) {
-			S_print_error(out, cur->parent, "last_child");
-			cur->parent->last_child = cur;
-			++errors;
-		}
-		cur = cur->parent;
-		goto next_sibling;
-	}
-
-	return errors;
+
+int cmark_node_insert_after(cmark_node *node, cmark_node *sibling) {
+  if (node == NULL || sibling == NULL) {
+    return 0;
+  }
+
+  if (!node->parent || !S_can_contain(node->parent, sibling)) {
+    return 0;
+  }
+
+  S_node_unlink(sibling);
+
+  cmark_node *old_next = node->next;
+
+  // Insert 'sibling' between 'node' and 'old_next'.
+  if (old_next) {
+    old_next->prev = sibling;
+  }
+  sibling->next = old_next;
+  sibling->prev = node;
+  node->next = sibling;
+
+  // Set new parent.
+  cmark_node *parent = node->parent;
+  sibling->parent = parent;
+
+  // Adjust last_child of parent if inserted as last child.
+  if (parent && !old_next) {
+    parent->last_child = sibling;
+  }
+
+  return 1;
+}
+
+int cmark_node_prepend_child(cmark_node *node, cmark_node *child) {
+  if (!S_can_contain(node, child)) {
+    return 0;
+  }
+
+  S_node_unlink(child);
+
+  cmark_node *old_first_child = node->first_child;
+
+  child->next = old_first_child;
+  child->prev = NULL;
+  child->parent = node;
+  node->first_child = child;
+
+  if (old_first_child) {
+    old_first_child->prev = child;
+  } else {
+    // Also set last_child if node previously had no children.
+    node->last_child = child;
+  }
+
+  return 1;
+}
+
+int cmark_node_append_child(cmark_node *node, cmark_node *child) {
+  if (!S_can_contain(node, child)) {
+    return 0;
+  }
+
+  S_node_unlink(child);
+
+  cmark_node *old_last_child = node->last_child;
+
+  child->next = NULL;
+  child->prev = old_last_child;
+  child->parent = node;
+  node->last_child = child;
+
+  if (old_last_child) {
+    old_last_child->next = child;
+  } else {
+    // Also set first_child if node previously had no children.
+    node->first_child = child;
+  }
+
+  return 1;
+}
+
+static void S_print_error(FILE *out, cmark_node *node, const char *elem) {
+  if (out == NULL) {
+    return;
+  }
+  fprintf(out, "Invalid '%s' in node type %s at %d:%d\n", elem,
+          cmark_node_get_type_string(node), node->start_line,
+          node->start_column);
+}
+
+int cmark_node_check(cmark_node *node, FILE *out) {
+  cmark_node *cur;
+  int errors = 0;
+
+  if (!node) {
+    return 0;
+  }
+
+  cur = node;
+  while (true) {
+    if (cur->first_child) {
+      if (cur->first_child->prev != NULL) {
+        S_print_error(out, cur->first_child, "prev");
+        cur->first_child->prev = NULL;
+        ++errors;
+      }
+      if (cur->first_child->parent != cur) {
+        S_print_error(out, cur->first_child, "parent");
+        cur->first_child->parent = cur;
+        ++errors;
+      }
+      cur = cur->first_child;
+      continue;
+    }
+
+  next_sibling:
+    if (cur == node) {
+      break;
+    }
+    if (cur->next) {
+      if (cur->next->prev != cur) {
+        S_print_error(out, cur->next, "prev");
+        cur->next->prev = cur;
+        ++errors;
+      }
+      if (cur->next->parent != cur->parent) {
+        S_print_error(out, cur->next, "parent");
+        cur->next->parent = cur->parent;
+        ++errors;
+      }
+      cur = cur->next;
+      continue;
+    }
+
+    if (cur->parent->last_child != cur) {
+      S_print_error(out, cur->parent, "last_child");
+      cur->parent->last_child = cur;
+      ++errors;
+    }
+    cur = cur->parent;
+    goto next_sibling;
+  }
+
+  return errors;
 }