1 files changed, 75 insertions, 0 deletions
diff --git a/patchwork/templatetags/syntax.py b/patchwork/templatetags/syntax.py
new file mode 100644
index 0000000..abdbb4d
--- /dev/null
+++ b/patchwork/templatetags/syntax.py
@@ -0,0 +1,75 @@
+# Patchwork - automated patch tracking system
+# Copyright (C) 2008 Jeremy Kerr <jk@ozlabs.org>
+#
+# This file is part of the Patchwork package.
+#
+# Patchwork is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# Patchwork is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Patchwork; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+from django import template
+from django.utils.html import escape
+from django.utils.safestring import mark_safe
+import re
+
+register = template.Library()
+
+def _compile(t):
+    (r, str) = t
+    return (re.compile(r, re.M | re.I), str)
+
+_patch_span_res = map(_compile, [
+        ('^(Index:?|diff|\-\-\-|\+\+\+|\*\*\*) .*$', 'p_header'),
+        ('^\+.*$', 'p_add'),
+        ('^-.*$', 'p_del'),
+        ('^!.*$', 'p_mod'),
+        ])
+
+_patch_chunk_re = \
+        re.compile('^(@@ \-\d+(?:,\d+)? \+\d+(?:,\d+)? @@)(.*)$', re.M | re.I)
+
+_comment_span_res = map(_compile, [
+        ('^\s*Signed-off-by: .*$', 'signed-off-by'),
+        ('^\s*Acked-by: .*$', 'acked-by'),
+        ('^\s*Nacked-by: .*$', 'nacked-by'),
+        ('^\s*Tested-by: .*$', 'tested-by'),
+        ('^\s*Reviewed-by: .*$', 'reviewed-by'),
+        ('^\s*From: .*$', 'from'),
+        ('^\s*&gt;.*$', 'quote'),
+        ])
+
+_span = '<span class="%s">%s</span>'
+
+@register.filter
+def patchsyntax(patch):
+    content = escape(patch.content)
+
+    for (r,cls) in _patch_span_res:
+        content = r.sub(lambda x: _span % (cls, x.group(0)), content)
+
+    content = _patch_chunk_re.sub( \
+            lambda x: \
+                _span % ('p_chunk', x.group(1)) + ' ' + \
+                _span % ('p_context', x.group(2)), \
+            content)
+
+    return mark_safe(content)
+
+@register.filter
+def commentsyntax(comment):
+    content = escape(comment.content)
+
+    for (r,cls) in _comment_span_res:
+        content = r.sub(lambda x: _span % (cls, x.group(0)), content)
+
+    return mark_safe(content)