xml: use version from configuration if provided (#5215)

Author: danmar

lib/errorlogger.cpp

@@ -379,8 +379,17 @@ void ErrorMessage::deserialize(const std::string &data)
     }
 }
 
-std::string ErrorMessage::getXMLHeader(const std::string& productName)
-{
+std::string ErrorMessage::getXMLHeader(std::string productName)
+{
+    std::string version = CppCheck::version();
+    if (!productName.empty() && std::isdigit(productName.back())) {
+        const std::string::size_type pos = productName.find_last_not_of(".0123456789");
+        if (pos > 1 && pos != std::string::npos && productName[pos] == ' ') {
+            version = productName.substr(pos+1);
+            productName.erase(pos);
+        }
+    }
+
     tinyxml2::XMLPrinter printer;
 
     // standard xml header
@@ -393,7 +402,7 @@ std::string ErrorMessage::getXMLHeader(const std::string& productName)
     printer.OpenElement("cppcheck", false);
     if (!productName.empty())
         printer.PushAttribute("product-name", productName.c_str());
-    printer.PushAttribute("version", CppCheck::version());
+    printer.PushAttribute("version", version.c_str());
     printer.CloseElement(false);
     printer.OpenElement("errors", false);
 

lib/errorlogger.h

@@ -148,7 +148,7 @@ class CPPCHECKLIB ErrorMessage {
      */
     std::string toXML() const;
 
-    static std::string getXMLHeader(const std::string& productName);
+    static std::string getXMLHeader(std::string productName);
     static std::string getXMLFooter();
 
     /**