From 5a615ec680190222e25047366f166f9daf89c69f Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Wed, 4 Apr 2012 02:27:49 -0500
Subject: Make metadata tags case insensitive

---
 src/item.cc | 12 +++++++++++-
 src/item.h  |  3 ++-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/item.cc b/src/item.cc
index 06b718b0..5262d1db 100644
--- a/src/item.cc
+++ b/src/item.cc
@@ -103,6 +103,16 @@ optional<value_t> item_t::get_tag(const mask_t& tag_mask,
   return none;
 }
 
+namespace {
+  struct CaseInsensitiveKeyCompare
+    : public std::binary_function<string, string, bool>
+  {
+    bool operator()(const string& s1, const string& s2) const {
+      return boost::algorithm::ilexicographical_compare(s1, s2);
+    }
+  };
+}
+
 item_t::string_map::iterator
 item_t::set_tag(const string&            tag,
                 const optional<value_t>& value,
@@ -111,7 +121,7 @@ item_t::set_tag(const string&            tag,
   assert(! tag.empty());
 
   if (! metadata)
-    metadata = string_map();
+    metadata = string_map(CaseInsensitiveKeyCompare());
 
   DEBUG("item.meta", "Setting tag '" << tag << "' to value '"
         << (value ? *value : string_value("<none>")) << "'");
diff --git a/src/item.h b/src/item.h
index 1e8db1e0..c56fba27 100644
--- a/src/item.h
+++ b/src/item.h
@@ -108,7 +108,8 @@ public:
   enum state_t { UNCLEARED = 0, CLEARED, PENDING };
 
   typedef std::pair<optional<value_t>, bool> tag_data_t;
-  typedef std::map<string, tag_data_t>       string_map;
+  typedef std::map<string, tag_data_t,
+                   function<bool(string, string)> > string_map;
 
   state_t              _state;
   optional<date_t>     _date;
-- 
cgit v1.2.3