Changed the name of the TServoInfo structure to TServoData to avoid conflicts...

Changed the name of the TServoInfo structure to TServoData to avoid conflicts in the gazebo CM510 simulator.
Problems when the motion file does not exists or is invaid. It needs to be checked before calling the parser function.

src/robotis_mtn/robotis_mtn.cpp

@@ -307,7 +307,7 @@ std::vector<std::string> CRobotisMtn::get_motor_models(void) const
   return models;
 }
 
-TServoInfo CRobotisMtn::get_motor_info(unsigned int servo) const
+TServoData CRobotisMtn::get_motor_info(unsigned int servo) const
 {
   if(servo>this->get_num_servos())
   {
@@ -318,7 +318,7 @@ TServoInfo CRobotisMtn::get_motor_info(unsigned int servo) const
     return this->info[servo];
 }
 
-std::vector<TServoInfo> CRobotisMtn::get_motor_infos(void) const
+std::vector<TServoData> CRobotisMtn::get_motor_infos(void) const
 {
   return this->info;
 }

src/robotis_mtn/robotis_mtn.h

@@ -23,7 +23,7 @@ typedef struct
   double max_angle;
   double center_angle;
   double max_speed;
-}TServoInfo;
+}TServoData;
 
 class CRobotisMtn
 {
@@ -33,7 +33,7 @@ class CRobotisMtn
     int num_servos;
     std::vector<bool> enable;
     std::vector<CRobotisPage> pages;
-    std::vector<TServoInfo> info; 
+    std::vector<TServoData> info; 
   public:
     CRobotisMtn();
     CRobotisMtn(CRobotisMtn &mtn);
@@ -56,8 +56,8 @@ class CRobotisMtn
     std::string get_motor_model(unsigned int servo) const;
     std::vector<int> get_motor_types(void) const;
     std::vector<std::string> get_motor_models(void) const;
-    TServoInfo get_motor_info(unsigned int servo) const;
-    std::vector<TServoInfo> get_motor_infos(void) const;
+    TServoData get_motor_info(unsigned int servo) const;
+    std::vector<TServoData> get_motor_infos(void) const;
     unsigned int get_num_pages(void) const;
     CRobotisPage get_page(unsigned int page) const;
     void clear(void);

src/robotis_mtn_file/mtn_file_parser.cpp

@@ -30,7 +30,10 @@ void MTN::CMtnFileParser::parse(const char *filename)
 {
   std::ifstream in_file(filename);
   if(!in_file.good()) 
+  {
+    std::cerr << "Failed to open the file!!\n";
     _exit( -1 );
+  }
   if(this->scanner!=NULL)
     delete this->scanner;
   try