Added encoding of special characters when writing

addons_installed.xml.


git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@9511 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/utils/string_utils.cpp

@@ -475,8 +475,11 @@ namespace StringUtils
     }
     
     // ------------------------------------------------------------------------
-    
-    irr::core::stringw removeHtmlEntities(const std::string& input)
+    /** Converts ASCII text with HTML entities (e.g. &xE9;) to unicode strings
+     *  \param input The input string which should be decoded.
+     *  \return A irrlicht wide string with unicode characters.
+     */
+    irr::core::stringw decodeFromHtmlEntities(const std::string& input)
     {
         irr::core::stringw output;
         std::string entity;
@@ -555,8 +558,36 @@ namespace StringUtils
         }
         
         return output;
-    }
-    
+    }   // decodeFromHtmlEntities
+
+    // ------------------------------------------------------------------------
+    /** Converts a unicode string to plain ASCII using html-like & codes.
+     *  \param s The input string which should be encoded.
+     *  \return A std:;string with ASCII characters.
+     */
+    std::string encodeToHtmlEntities(const irr::core::stringw &s)
+    {
+        std::ostringstream output;
+        for(unsigned int i=0; i<s.size(); i++)
+        {
+            if(s[i]=='&')
+                output<<"&amp;";
+            else
+            {
+                if(s[i]<128)
+                {
+                    irr::c8 c=(char)(s[i]);
+                    output<<c;
+                }
+                else
+                {
+                    output <<"&#" << std::hex <<std::uppercase<< s[i]<<";";
+                }
+            }
+        }
+        return output.str();
+    }   // encodeToHtmlEntities
+
 } // namespace StringUtils