1 files changed, 134 insertions, 0 deletions
diff --git a/src/ast.h b/src/ast.h
new file mode 100644
index 0000000..decf5eb
--- /dev/null
+++ b/src/ast.h
@@ -0,0 +1,134 @@
+#ifndef _AST_H_
+#define _AST_H_
+
+#include <stdbool.h>
+#include <stdio.h>
+#include "buffer.h"
+#include "chunk.h"
+#include "references.h"
+
+struct cmark_node_inl {
+	enum {
+		CMARK_INL_STRING,
+		CMARK_INL_SOFTBREAK,
+		CMARK_INL_LINEBREAK,
+		CMARK_INL_CODE,
+		CMARK_INL_RAW_HTML,
+		CMARK_INL_EMPH,
+		CMARK_INL_STRONG,
+		CMARK_INL_LINK,
+		CMARK_INL_IMAGE
+	} tag;
+	union {
+		cmark_chunk literal;
+		struct cmark_node_inl *inlines;
+		struct {
+			struct cmark_node_inl *label;
+			unsigned char *url;
+			unsigned char *title;
+		} linkable;
+	} content;
+	struct cmark_node_inl *next;
+};
+
+typedef struct cmark_node_inl cmark_node_inl;
+
+// Types for blocks
+struct cmark_ListData {
+	enum {
+		bullet,
+		ordered
+	}  list_type;
+	int               marker_offset;
+	int               padding;
+	int               start;
+	enum {
+		period,
+		parens
+	} delimiter;
+	unsigned char     bullet_char;
+	bool              tight;
+};
+
+struct cmark_FencedCodeData {
+	int               fence_length;
+	int               fence_offset;
+	unsigned char     fence_char;
+	cmark_strbuf      info;
+};
+
+struct cmark_node_block {
+	enum {
+		CMARK_BLOCK_DOCUMENT,
+		CMARK_BLOCK_BQUOTE,
+		CMARK_BLOCK_LIST,
+		CMARK_BLOCK_LIST_ITEM,
+		CMARK_BLOCK_FENCED_CODE,
+		CMARK_BLOCK_INDENTED_CODE,
+		CMARK_BLOCK_HTML,
+		CMARK_BLOCK_PARAGRAPH,
+		CMARK_BLOCK_ATX_HEADER,
+		CMARK_BLOCK_SETEXT_HEADER,
+		CMARK_BLOCK_HRULE,
+		CMARK_BLOCK_REFERENCE_DEF
+	} tag;
+	int start_line;
+	int start_column;
+	int end_line;
+	bool open;
+	bool last_line_blank;
+	struct cmark_node_block* children;
+	struct cmark_node_block* last_child;
+	struct cmark_node_block* parent;
+	struct cmark_node_block* top;
+	cmark_strbuf string_content;
+	cmark_node_inl* inline_content;
+
+	union  {
+		struct cmark_ListData list;
+		struct cmark_FencedCodeData code;
+		struct {
+			int level;
+		} header;
+		struct {
+			cmark_reference_map *refmap;
+		} document;
+	} as;
+
+	struct cmark_node_block *next;
+	struct cmark_node_block *prev;
+};
+
+typedef struct cmark_node_block cmark_node_block;
+
+void cmark_free_nodes(cmark_node_block *e);
+
+#ifndef CMARK_NO_SHORT_NAMES
+  #define node_inl                  cmark_node_inl
+  #define INL_STRING                CMARK_INL_STRING
+  #define INL_SOFTBREAK             CMARK_INL_SOFTBREAK
+  #define INL_LINEBREAK             CMARK_INL_LINEBREAK
+  #define INL_CODE                  CMARK_INL_CODE
+  #define INL_RAW_HTML              CMARK_INL_RAW_HTML
+  #define INL_EMPH                  CMARK_INL_EMPH
+  #define INL_STRONG                CMARK_INL_STRONG
+  #define INL_LINK                  CMARK_INL_LINK
+  #define INL_IMAGE                 CMARK_INL_IMAGE
+  #define ListData                  cmark_ListData
+  #define FencedCodeData            cmark_FencedCodeData
+  #define node_block                cmark_node_block
+  #define BLOCK_DOCUMENT            CMARK_BLOCK_DOCUMENT
+  #define BLOCK_BQUOTE              CMARK_BLOCK_BQUOTE
+  #define BLOCK_LIST                CMARK_BLOCK_LIST
+  #define BLOCK_LIST_ITEM           CMARK_BLOCK_LIST_ITEM
+  #define BLOCK_FENCED_CODE         CMARK_BLOCK_FENCED_CODE
+  #define BLOCK_INDENTED_CODE       CMARK_BLOCK_INDENTED_CODE
+  #define BLOCK_HTML                CMARK_BLOCK_HTML
+  #define BLOCK_PARAGRAPH           CMARK_BLOCK_PARAGRAPH
+  #define BLOCK_ATX_HEADER          CMARK_BLOCK_ATX_HEADER
+  #define BLOCK_SETEXT_HEADER       CMARK_BLOCK_SETEXT_HEADER
+  #define BLOCK_HRULE               CMARK_BLOCK_HRULE
+  #define BLOCK_REFERENCE_DEF       CMARK_BLOCK_REFERENCE_DEF
+#endif
+
+#endif