Read :fresh on HTML path elements

2 files changed, 15 insertions, 6 deletions

diff --git a/mammoth/html_paths.py b/mammoth/html_paths.py
index 0f2184d..887288b 100644
--- a/mammoth/html_paths.py
+++ b/mammoth/html_paths.py
@@ -5,11 +5,13 @@ def path(elements):
     return HtmlPath(elements)
 
 
-def element(names, class_names=None):
+def element(names, class_names=None, fresh=None):
     if class_names is None:
         class_names = []
-    return HtmlPathElement(names, class_names)
+    if fresh is None:
+        fresh = False
+    return HtmlPathElement(names, class_names, fresh)
 
 
 HtmlPath = collections.namedtuple("HtmlPath", ["elements"])
-HtmlPathElement = collections.namedtuple("HtmlPathElement", ["names", "class_names"])
+HtmlPathElement = collections.namedtuple("HtmlPathElement", ["names", "class_names", "fresh"])
diff --git a/mammoth/style_reader.py b/mammoth/style_reader.py
index 4418dbb..2cdc261 100644
--- a/mammoth/style_reader.py
+++ b/mammoth/style_reader.py
@@ -20,7 +20,8 @@ def _read_path_node(path_node):
 def _read_element_node(node):
     tag_names = _read_tag_names_node(node.children[0])
     class_names = _read_class_names_node(node.children[1])
-    return html_paths.element(tag_names, class_names=class_names)
+    fresh = _read_fresh_node(node.children[2])
+    return html_paths.element(tag_names, class_names=class_names, fresh=fresh)
 
 
 def _read_tag_names_node(node):
@@ -41,6 +42,10 @@ def _read_class_name_node(node):
     return node.children[1].text
 
 
+def _read_fresh_node(node):
+    return len(node.children) > 0
+
+
 def _repeated_children_with_separator(node, has_whitespace):
     yield node.children[0]
     
@@ -58,11 +63,13 @@ _grammar = Grammar(r"""
 
 path = element whitespace* (">" whitespace* element)*
 
-element = tag_names class_name*
+element = tag_names class_name* fresh?
+
+tag_names = identifier ("|" identifier)*
 
 class_name = "." identifier
 
-tag_names = identifier ("|" identifier)*
+fresh = ":fresh"
 
 identifier = ~"[A-Z0-9]*"i