From 218260362f0ccb4fd5b51765d4bd331389f39baa Mon Sep 17 00:00:00 2001
From: Florent Le Coz <louiz@louiz.org>
Date: Wed, 10 Feb 2016 20:22:51 +0100
Subject: Remove unused xml_unescape() function

---
 louloulibs/xmpp/xmpp_stanza.cpp | 44 -----------------------------------------
 tests/xmpp.cpp                  |  3 +--
 2 files changed, 1 insertion(+), 46 deletions(-)

diff --git a/louloulibs/xmpp/xmpp_stanza.cpp b/louloulibs/xmpp/xmpp_stanza.cpp
index 407e631..ac6ce9b 100644
--- a/louloulibs/xmpp/xmpp_stanza.cpp
+++ b/louloulibs/xmpp/xmpp_stanza.cpp
@@ -40,50 +40,6 @@ std::string xml_escape(const std::string& data)
   return res;
 }
 
-std::string xml_unescape(const std::string& data)
-{
-  std::string res;
-  res.reserve(data.size());
-  const char* str = data.c_str();
-  while (str && *str && static_cast<size_t>(str - data.c_str()) < data.size())
-    {
-      if (*str == '&')
-        {
-          if (strncmp(str+1, "amp;", 4) == 0)
-            {
-              res += "&";
-              str += 4;
-            }
-          else if (strncmp(str+1, "lt;", 3) == 0)
-            {
-              res += "<";
-              str += 3;
-            }
-          else if (strncmp(str+1, "gt;", 3) == 0)
-            {
-              res += ">";
-              str += 3;
-            }
-          else if (strncmp(str+1, "quot;", 5) == 0)
-            {
-              res += "\"";
-              str += 5;
-            }
-          else if (strncmp(str+1, "apos;", 5) == 0)
-            {
-              res += "'";
-              str += 5;
-            }
-          else
-            res += "&";
-        }
-      else
-        res += *str;
-      str++;
-    }
-  return res;
-}
-
 std::string sanitize(const std::string& data, const std::string& encoding)
 {
   if (utils::is_valid_utf8(data.data()))
diff --git a/tests/xmpp.cpp b/tests/xmpp.cpp
index b6b50ed..6aab8c4 100644
--- a/tests/xmpp.cpp
+++ b/tests/xmpp.cpp
@@ -40,9 +40,8 @@ TEST_CASE("Test basic XML parsing")
   xml.feed(doc2.data(), doc.size(), true);
 }
 
-TEST_CASE("XML escape/unescape")
+TEST_CASE("XML escape")
 {
   const std::string unescaped = "'coucou'<cc>/&\"gaga\"";
   CHECK(xml_escape(unescaped) == "&apos;coucou&apos;&lt;cc&gt;/&amp;&quot;gaga&quot;");
-  CHECK(xml_unescape(xml_escape(unescaped)) == unescaped);
 }
-- 
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