From e8cc64a9a7944087aabc60c844dd64e5a7318268 Mon Sep 17 00:00:00 2001
From: artemp <artem@mapnik.org>
Date: Tue, 15 Jan 2013 14:14:08 +0000
Subject: [PATCH] + fast_cast to mapnik::boolean specialization

---
 src/xml_tree.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/xml_tree.cpp b/src/xml_tree.cpp
index 5729a9ea9..651a3d147 100644
--- a/src/xml_tree.cpp
+++ b/src/xml_tree.cpp
@@ -56,6 +56,15 @@ inline boost::optional<T> fast_cast(xml_tree const& tree, std::string const& val
     }
 }
 
+template <>
+inline boost::optional<mapnik::boolean> fast_cast(xml_tree const& tree, std::string const& value)
+{
+    bool result;
+    if (mapnik::util::string2bool(value, result))
+        return boost::optional<mapnik::boolean>(result);
+    return boost::optional<mapnik::boolean>();
+}
+
 template <>
 inline boost::optional<int> fast_cast(xml_tree const& tree, std::string const& value)
 {