4 files changed, 264 insertions, 0 deletions
diff --git a/wrappers/wrapper.lua b/wrappers/wrapper.lua
new file mode 100755
index 0000000..11c5183
--- /dev/null
+++ b/wrappers/wrapper.lua
@@ -0,0 +1,201 @@
+#!/usr/bin/env luajit
+
+local ffi = require("ffi")
+
+cmark = ffi.load("libcmark")
+
+ffi.cdef[[
+
+      char *cmark_markdown_to_html(const char *text, int len);
+      typedef enum {
+         /* Block */
+         CMARK_NODE_DOCUMENT,
+         CMARK_NODE_BLOCK_QUOTE,
+         CMARK_NODE_LIST,
+         CMARK_NODE_LIST_ITEM,
+         CMARK_NODE_CODE_BLOCK,
+         CMARK_NODE_HTML,
+         CMARK_NODE_PARAGRAPH,
+         CMARK_NODE_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_TEXT,
+         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_TEXT,
+         CMARK_NODE_LAST_INLINE  = CMARK_NODE_IMAGE,
+                   } cmark_node_type;
+
+      typedef enum {
+         CMARK_NO_LIST,
+         CMARK_BULLET_LIST,
+         CMARK_ORDERED_LIST
+                   }  cmark_list_type;
+
+      typedef enum {
+         CMARK_PERIOD_DELIM,
+         CMARK_PAREN_DELIM
+                   } cmark_delim_type;
+
+      typedef struct cmark_node cmark_node;
+      typedef struct cmark_parser cmark_parser;
+
+      cmark_node* cmark_node_new(cmark_node_type type);
+
+      void
+      cmark_node_free(cmark_node *node);
+
+      cmark_node* cmark_node_next(cmark_node *node);
+
+      cmark_node* cmark_node_previous(cmark_node *node);
+
+      cmark_node* cmark_node_parent(cmark_node *node);
+
+      cmark_node* cmark_node_first_child(cmark_node *node);
+
+      cmark_node* cmark_node_last_child(cmark_node *node);
+
+      cmark_node_type cmark_node_get_type(cmark_node *node);
+
+      const char* cmark_node_get_string_content(cmark_node *node);
+
+      int cmark_node_set_string_content(cmark_node *node, const char *content);
+
+      int cmark_node_get_header_level(cmark_node *node);
+
+      int cmark_node_set_header_level(cmark_node *node, int level);
+
+      cmark_list_type cmark_node_get_list_type(cmark_node *node);
+
+      int cmark_node_set_list_type(cmark_node *node, cmark_list_type type);
+
+      int cmark_node_get_list_start(cmark_node *node);
+
+      int cmark_node_set_list_start(cmark_node *node, int start);
+
+      int cmark_node_get_list_tight(cmark_node *node);
+
+      int cmark_node_set_list_tight(cmark_node *node, int tight);
+
+      const char* cmark_node_get_fence_info(cmark_node *node);
+
+      int cmark_node_set_fence_info(cmark_node *node, const char *info);
+
+      const char* cmark_node_get_url(cmark_node *node);
+
+      int cmark_node_set_url(cmark_node *node, const char *url);
+
+      const char* cmark_node_get_title(cmark_node *node);
+
+      int cmark_node_set_title(cmark_node *node, const char *title);
+
+      int cmark_node_get_start_line(cmark_node *node);
+
+      int cmark_node_get_start_column(cmark_node *node);
+
+      int cmark_node_get_end_line(cmark_node *node);
+
+      void cmark_node_unlink(cmark_node *node);
+
+      int cmark_node_insert_before(cmark_node *node, cmark_node *sibling);
+
+      int cmark_node_insert_after(cmark_node *node, cmark_node *sibling);
+
+      int cmark_node_prepend_child(cmark_node *node, cmark_node *child);
+
+      int cmark_node_append_child(cmark_node *node, cmark_node *child);
+
+      cmark_parser *cmark_parser_new();
+
+      void cmark_parser_free(cmark_parser *parser);
+
+      cmark_node *cmark_parser_finish(cmark_parser *parser);
+
+      void cmark_parser_feed(cmark_parser *parser, const char *buffer, size_t len);
+
+      cmark_node *cmark_parse_document(const char *buffer, size_t len);
+
+      char *cmark_render_ast(cmark_node *root);
+
+      char *cmark_render_html(cmark_node *root);
+
+        ]]
+
+local inp = io.read("*all")
+local doc = cmark.cmark_parse_document(inp, string.len(inp))
+
+local cur = doc
+local next
+local child
+
+local walk = function(action)
+   level = 0
+   while cur ~= nil do
+      action(cur, level)
+      child = cmark.cmark_node_first_child(cur)
+      if child == nil then
+         next = cmark.cmark_node_next(cur)
+         while next == nil do
+            cur = cmark.cmark_node_parent(cur)
+            level = level - 1
+            if cur == nil then
+               break
+            else
+               next = cmark.cmark_node_next(cur)
+            end
+         end
+         cur = next
+      else
+         level = level + 1
+         cur = child
+      end
+   end
+end
+
+local type_table = {
+   'BLOCK_QUOTE',
+   'LIST',
+   'LIST_ITEM',
+   'CODE_BLOCK',
+   'HTML',
+   'PARAGRAPH',
+   'HEADER',
+   'HRULE',
+   'REFERENCE_DEF',
+   'TEXT',
+   'SOFTBREAK',
+   'LINEBREAK',
+   'INLINE_CODE',
+   'INLINE_HTML',
+   'EMPH',
+   'STRONG',
+   'LINK',
+   'IMAGE',
+}
+type_table[0] = 'DOCUMENT'
+
+local function print_type(node, level)
+   local t = tonumber(cmark.cmark_node_get_type(node))
+   io.write(string.rep('  ', level) .. type_table[t])
+   if t == cmark.CMARK_NODE_TEXT then
+      io.write(' ' .. ffi.string(cmark.cmark_node_get_string_content(node)))
+   end
+   io.write('\n')
+end
+
+walk(print_type)
+
+-- local html = ffi.string(cmark.cmark_render_html(doc))
+-- print(html)
diff --git a/wrappers/wrapper.py b/wrappers/wrapper.py
new file mode 100755
index 0000000..52cbfc7
--- /dev/null
+++ b/wrappers/wrapper.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+
+# Example for using the shared library from python
+
+from ctypes import CDLL, c_char_p, c_long
+import sys
+import platform
+
+sysname = platform.system()
+
+if sysname == 'Darwin':
+    cmark = CDLL("build/src/libcmark.dylib")
+else:
+    cmark = CDLL("build/src/libcmark.so")
+
+markdown = cmark.cmark_markdown_to_html
+markdown.restype = c_char_p
+markdown.argtypes = [c_char_p, c_long]
+
+def md2html(text):
+    return markdown(text, len(text))
+
+sys.stdout.write(md2html(sys.stdin.read()))
diff --git a/wrappers/wrapper.rb b/wrappers/wrapper.rb
new file mode 100755
index 0000000..59a9b87
--- /dev/null
+++ b/wrappers/wrapper.rb
@@ -0,0 +1,15 @@
+#!/usr/bin/env ruby
+require 'ffi'
+
+module CMark
+  extend FFI::Library
+  ffi_lib ['libcmark', 'cmark']
+  attach_function :cmark_markdown_to_html, [:string, :int], :string
+end
+
+def markdown_to_html(s)
+  len = s.bytesize
+  CMark::cmark_markdown_to_html(s, len)
+end
+
+STDOUT.write(markdown_to_html(ARGF.read()))
diff --git a/wrappers/wrapper3.py b/wrappers/wrapper3.py
new file mode 100755
index 0000000..7a777fa
--- /dev/null
+++ b/wrappers/wrapper3.py
@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+
+# Example for using the shared library from python
+
+from ctypes import CDLL, c_char_p, c_long
+import sys
+import platform
+
+sysname = platform.system()
+
+if sysname == 'Darwin':
+    cmark = CDLL("build/src/libcmark.dylib")
+else:
+    cmark = CDLL("build/src/libcmark.so")
+
+markdown = cmark.cmark_markdown_to_html
+markdown.restype = c_char_p
+markdown.argtypes = [c_char_p, c_long]
+
+def md2html(text):
+    textbytes = text.encode('utf-8')
+    textlen = len(textbytes)
+    return markdown(textbytes, textlen).decode('utf-8')
+
+sys.stdout.write(md2html(sys.stdin.read()))