Merge git@gitorious.org:python-markdown/mainline

1 files changed, 72 insertions, 0 deletions

diff --git a/markdown_extensions/tables.py b/markdown_extensions/tables.py
new file mode 100644
index 0000000..829044c
--- /dev/null
+++ b/markdown_extensions/tables.py
@@ -0,0 +1,72 @@
+#!/usr/bin/env python
+
+"""
+Table extension for Python-Markdown
+"""
+
+import markdown
+from markdown import etree
+
+class TablePattern(markdown.Pattern) :
+    def __init__ (self, md):
+        markdown.Pattern.__init__(self, r'(^|\n)\|([^\n]*)\|')
+        self.md = md
+
+    def handleMatch(self, m):
+
+        # a single line represents a row
+        tr = etree.Element('tr')
+        
+        # chunks between pipes represent cells
+
+        for t in m.group(3).split('|'): 
+     
+            if len(t) >= 2 and t.startswith('*') and t.endswith('*'):
+                # if a cell is bounded by asterisks, it is a <th>
+                td = etree.Element('th')
+                t = t[1:-1]
+            else:
+                # otherwise it is a <td>
+                td = etree.Element('td')
+            
+            # add text ot inline section, later it will be
+            # processed by core
+            inline = etree.SubElement(td, "inline")
+            inline.text = t
+                    
+            tr.append(td)
+            tr.tail = "\n"
+ 
+        return tr
+
+
+class TablePostprocessor:
+    
+    def _findElement(self, element, name):
+        result = []
+        for child in element:
+            if child.tag == name:
+                result.append(child)
+            result += self._findElement(child, name)
+        return result
+    
+    def run(self, root):
+
+        for element in self._findElement(root, "p"):
+             for child in element:
+                 if child.tail:
+                     element.tag = "table"
+                     break
+        
+                
+
+
+class TableExtension(markdown.Extension):
+    def extendMarkdown(self, md, md_globals):
+        md.inlinePatterns.insert(0, TablePattern(md))
+        md.postprocessors.append(TablePostprocessor())
+
+
+def makeExtension(configs):
+    return TableExtension(configs)
+