Changeset 10542 for code/branches/core7/src/libraries/core/commandline

Timestamp:

Jun 7, 2015, 2:16:55 PM (10 years ago)

Author:

landauf

Message:

clean and explicit setup/shutdown of singletons that are used by statically initialized instances

Location:

code/branches/core7/src/libraries/core/commandline

Files:

• CommandLineParser.cc (modified) (7 diffs)
• CommandLineParser.h (modified) (5 diffs)

code/branches/core7/src/libraries/core/commandline/CommandLineParser.cc

@@ -40 +40 @@
 namespace orxonox
 {
+    CommandLineParser* CommandLineParser::singletonPtr_s = 0;
+
     /**
     @brief
@@ -85 +87 @@
     CommandLineParser::~CommandLineParser()
     {
-    }
-
-    /**
-    @brief
-        Returns a unique instance (Meyers Singleton).
-    */
-    CommandLineParser& CommandLineParser::_getInstance()
-    {
-        static CommandLineParser instance;
-        return instance;
     }
 
@@ -260 +252 @@
     std::string CommandLineParser::getUsageInformation()
     {
-        CommandLineParser& inst = _getInstance();
+        CommandLineParser& inst = getInstance();
         std::ostringstream infoStr;
 
@@ -313 +305 @@
     const CommandLineArgument* CommandLineParser::getArgument(const std::string& name)
     {
-        std::map<std::string, CommandLineArgument*>::const_iterator it = _getInstance().cmdLineArgs_.find(name);
-        if (it == _getInstance().cmdLineArgs_.end())
+        std::map<std::string, CommandLineArgument*>::const_iterator it = getInstance().cmdLineArgs_.find(name);
+        if (it == getInstance().cmdLineArgs_.end())
         {
             ThrowException(Argument, "Could find command line argument '" + name + "'.");
@@ -331 +323 @@
     void CommandLineParser::addArgument(CommandLineArgument* argument)
     {
-        OrxAssert(!_getInstance().existsArgument(argument->getName()),
+        OrxAssert(!getInstance().existsArgument(argument->getName()),
             "Cannot add a command line argument with name '" + argument->getName() + "' twice.");
         OrxAssert(!argument->getDefaultValue().isType<bool>() || argument->getDefaultValue().get<bool>() != true,
@@ -337 +329 @@
             << "Please use SetCommandLineSwitch and adjust your argument: " << argument->getName());
 
-        _getInstance().cmdLineArgs_[argument->getName()] = argument;
+        getInstance().cmdLineArgs_[argument->getName()] = argument;
     }
 
@@ -345 +337 @@
     void CommandLineParser::removeArgument(CommandLineArgument* argument)
     {
-        _getInstance().cmdLineArgs_.erase(argument->getName());
+        getInstance().cmdLineArgs_.erase(argument->getName());
     }
 }

code/branches/core7/src/libraries/core/commandline/CommandLineParser.h

@@ -48 +48 @@
 #include "util/OrxAssert.h"
 #include "util/MultiType.h"
+#include "util/Singleton.h"
 
 namespace orxonox
@@ -134 +135 @@
         CommandLineArgument
     */
-    class _CoreExport CommandLineParser
+    class _CoreExport CommandLineParser : public Singleton<CommandLineParser>
     {
+        friend class Singleton<CommandLineParser>;
+
     public:
+        //! Constructor initialises bFirstTimeParse_ with true.
+        CommandLineParser() : bFirstTimeParse_(true) { }
+        ~CommandLineParser();
 
         //! Parse redirection to internal member method.
         static void parse(const std::string& cmdLine)
-        { _getInstance()._parse(cmdLine); }
+        { getInstance()._parse(cmdLine); }
 
         static std::string getUsageInformation();
@@ -157 +163 @@
         static bool existsArgument(const std::string& name)
         {
-            std::map<std::string, CommandLineArgument*>::const_iterator it = _getInstance().cmdLineArgs_.find(name);
-            return !(it == _getInstance().cmdLineArgs_.end());
+            std::map<std::string, CommandLineArgument*>::const_iterator it = getInstance().cmdLineArgs_.find(name);
+            return !(it == getInstance().cmdLineArgs_.end());
         }
 
@@ -164 +170 @@
 
     private:
-        //! Constructor initialises bFirstTimeParse_ with true.
-        CommandLineParser() : bFirstTimeParse_(true) { }
         //! Undefined copy constructor
         CommandLineParser(const CommandLineParser& instance);
-        ~CommandLineParser();
-
-        static CommandLineParser& _getInstance();
 
         void _parse(const std::string& cmdLine);
@@ -187 +188 @@
         //! Search map by shortcut for the arguments.
         std::map<std::string, CommandLineArgument*> cmdLineArgsShortcut_;
+
+        static CommandLineParser* singletonPtr_s;
     };