Added support for some XML entities in add-ons description

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@9060 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/addons/addon.cpp

@@ -59,6 +59,11 @@ Addon::Addon(const XMLNode &xml)
     xml.get("revision",           &m_revision          );
     xml.get("file",               &m_zip_file          );
     xml.get("description",        &m_description       );
+    
+    // resolve XML entities
+    m_description = StringUtils::replace(m_description, "
", "\n");
+    m_description = StringUtils::replace(m_description, "
", ""); // ignore \r
+
     xml.get("image",              &m_icon_url          );
     // If there is no image, use the icon to display
     if(m_icon_url=="")

src/utils/string_utils.cpp

@@ -443,6 +443,37 @@ namespace StringUtils
         return std::string(s);
     }   // timeToString
     
+    // ------------------------------------------------------------------------
+
+    std::string replace(const std::string& other, const std::string& from, const std::string& to)
+    {
+        std::string wip = other;
+        
+        
+        while (true)
+        {
+            const int pos = wip.find(from);
+            if (pos == -1)
+            {
+                return wip;
+            }
+            wip.replace(pos, from.size(), to.c_str(), to.size());
+        }
+        
+        /*
+        // found this on google... looks good but doesn't work, it leaves out some occurrences,
+        // didn't search why
+        std::string::size_type  next;
+        
+        for (next = wip.find(from); next != std::string::npos; next = wip.find(from, next))
+        {
+            wip.replace(next, from.length(), to);
+            next += from.length();
+        }
+        return wip;
+        */
+    }
+    
 } // namespace StringUtils
 
 /* EOF */

src/utils/string_utils.hpp

@@ -343,6 +343,14 @@ namespace StringUtils
         return parseString(input.c_str(), output);
     }
     
+    /**
+      * \param other string in which to replace stuff
+      * \param from  pattern to remove from the string
+      * \param to    pattern to insert instead
+      * \return      a string with all occurrences of \c from replaced by occurrences of \c to
+      */
+    std::string replace(const std::string& other, const std::string& from, const std::string& to);
+    
 } // namespace StringUtils
 
 #endif