From b66573cb303f9174a6b86138a7c8782eeb03b3ad Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Mon, 17 Nov 2014 18:44:35 +0100
Subject: Start with unified nodes

---
 src/node.h | 143 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 src/node.h

(limited to 'src/node.h')

diff --git a/src/node.h b/src/node.h
new file mode 100644
index 0000000..237c4ae
--- /dev/null
+++ b/src/node.h
@@ -0,0 +1,143 @@
+#ifndef CMARK_NODE_H
+#define CMARK_NODE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "cmark.h"
+#include "buffer.h"
+
+typedef enum {
+    // Block
+    CMARK_NODE_DOCUMENT,
+    CMARK_NODE_BQUOTE,
+    CMARK_NODE_LIST,
+    CMARK_NODE_LIST_ITEM,
+    CMARK_NODE_FENCED_CODE,
+    CMARK_NODE_INDENTED_CODE,
+    CMARK_NODE_HTML,
+    CMARK_NODE_PARAGRAPH,
+    CMARK_NODE_ATX_HEADER,
+    CMARK_NODE_SETEXT_HEADER,
+    CMARK_NODE_HRULE,
+    CMARK_NODE_REFERENCE_DEF,
+
+    CMARK_NODE_FIRST_BLOCK = CMARK_NODE_DOCUMENT,
+    CMARK_NODE_LAST_BLOCK  = CMARK_NODE_REFERENCE_DEF,
+    
+    // Inline
+    CMARK_NODE_STRING,
+    CMARK_NODE_SOFTBREAK,
+    CMARK_NODE_LINEBREAK,
+    CMARK_NODE_INLINE_CODE,
+    CMARK_NODE_INLINE_HTML,
+    CMARK_NODE_EMPH,
+    CMARK_NODE_STRONG,
+    CMARK_NODE_LINK,
+    CMARK_NODE_IMAGE,
+
+    CMARK_NODE_FIRST_INLINE = CMARK_NODE_STRING,
+    CMARK_NODE_LAST_INLINE  = CMARK_NODE_IMAGE,
+    
+    // Other
+    CMARK_NODE_LINK_LABEL
+} cmark_node_type;
+
+typedef struct {
+	cmark_list_type   list_type;
+	int               marker_offset;
+	int               padding;
+	int               start;
+	cmark_delim_type  delimiter;
+	unsigned char     bullet_char;
+	bool              tight;
+} cmark_list;
+
+typedef struct {
+	int               fence_length;
+	int               fence_offset;
+	unsigned char     fence_char;
+	cmark_strbuf      info;
+} cmark_fenced_code;
+
+typedef struct {
+	int level;
+} cmark_header;
+
+typedef struct {
+	struct cmark_node *label;
+	unsigned char *url;
+	unsigned char *title;
+} cmark_link;
+
+struct cmark_node {
+	cmark_node_type type;
+
+	struct cmark_node *next;
+	struct cmark_node *prev;
+	struct cmark_node *parent;
+	struct cmark_node *first_child;
+	struct cmark_node *last_child;
+
+	int start_line;
+	int start_column;
+	int end_line;
+	bool open;
+	bool last_line_blank;
+
+	cmark_strbuf string_content;
+
+	union {
+		cmark_list        list;
+		cmark_fenced_code code;
+		cmark_header      header;
+		cmark_link        link;
+	} as;
+};
+
+typedef struct cmark_node cmark_node;
+
+CMARK_EXPORT cmark_node_type
+cmark_node_get_type(cmark_node *node);
+
+// Tree traversal
+
+CMARK_EXPORT cmark_node*
+cmark_node_next(cmark_node *node);
+
+CMARK_EXPORT cmark_node*
+cmark_node_previous(cmark_node *node);
+
+CMARK_EXPORT cmark_node*
+cmark_node_parent(cmark_node *node);
+
+CMARK_EXPORT cmark_node*
+cmark_node_first_child(cmark_node *node);
+
+CMARK_EXPORT cmark_node*
+cmark_node_last_child(cmark_node *node);
+
+// Tree manipulation
+
+CMARK_EXPORT void
+cmark_node_unlink(cmark_node *node);
+
+CMARK_EXPORT int
+cmark_node_insert_before(cmark_node *node, cmark_node *sibling);
+
+CMARK_EXPORT int
+cmark_node_insert_before(cmark_node *node, cmark_node *sibling);
+
+CMARK_EXPORT int
+cmark_node_prepend_child(cmark_node *node, cmark_node *child);
+
+CMARK_EXPORT int
+cmark_node_append_child(cmark_node *node, cmark_node *child);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
-- 
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