Path: Several fixes suggested by wmayer

src/Mod/Path/App/Command.cpp

@@ -109,7 +109,7 @@ Vector3d Command::getCenter (void)
     return vec;
 }
 
-const double Command::getValue(const std::string attr)
+const double Command::getValue(const std::string& attr)
 {
     std::string a(attr);
     boost::to_upper(a);
@@ -119,11 +119,11 @@ const double Command::getValue(const std::string attr)
     return val;
 }
 
-const bool Command::has(const std::string attr)
+const bool Command::has(const std::string& attr)
 {
     std::string a(attr);
     boost::to_upper(a);
-    return (bool)Parameters.count(a);
+    return Parameters.count(a) > 0;
 }
 
 std::string Command::toGCode (void) const
@@ -139,7 +139,7 @@ std::string Command::toGCode (void) const
     return str.str();
 }
 
-void Command::setFromGCode (std::string str)
+void Command::setFromGCode (const std::string& str)
 {
     Parameters.clear();
     std::string mode = "none";

src/Mod/Path/App/Command.h

@@ -53,11 +53,11 @@ namespace Path
         Base::Vector3d getCenter (void); // returns a 3d vector from the i,j,k parameters
         void setCenter(const Base::Vector3d&, bool clockwise=true); // sets the center coordinates and the command name
         std::string toGCode (void) const; // returns a GCode string representation of the command
-        void setFromGCode (std::string); // sets the parameters from the contents of the given GCode string
+        void setFromGCode (const std::string&); // sets the parameters from the contents of the given GCode string
         void setFromPlacement (const Base::Placement&); // sets the parameters from the contents of the given placement
-        const bool has(const std::string); // returns true if the given string exists in the parameters
+        const bool has(const std::string&); // returns true if the given string exists in the parameters
         Command transform(const Base::Placement); // returns a transformed copy of this command
-        const double getValue(const std::string); // returns the value of a given parameter
+        const double getValue(const std::string&); // returns the value of a given parameter
 
         // attributes
         std::string Name;

src/Mod/Path/App/TooltablePyImp.cpp

@@ -58,7 +58,6 @@ PyObject *ToolPy::PyMake(struct _typeobject *, PyObject *, PyObject *)  // Pytho
 // constructor method
 int ToolPy::PyInit(PyObject* args, PyObject* kwd)
 {
-    PyObject *pos;
     char *name="Default tool";
     char *type = "Undefined";
     char *mat = "Undefined";

src/Mod/Path/Gui/DlgProcessorChooser.cpp

@@ -40,6 +40,8 @@
 
 using namespace PathGui;
 
+/* TRANSLATOR PathGui::DlgProcessorChooser */
+
 DlgProcessorChooser::DlgProcessorChooser(std::vector<std::string> &scriptnames)
   : QDialog(Gui::getMainWindow()), ui(new Ui_DlgProcessorChooser)
 {
@@ -64,7 +66,7 @@ void DlgProcessorChooser::accept()
     if (ui->comboBox->currentText() == tr("None"))
         entry = "";
     else
-        entry = ui->comboBox->currentText().toStdString();
+        entry = ui->comboBox->currentText().toUtf8().data();
     QDialog::accept();
 }
 #include "moc_DlgProcessorChooser.cpp"

src/Mod/Path/Gui/DlgSettingsPathColor.cpp

@@ -30,7 +30,7 @@
 
 using namespace PathGui;
 
-/* TRANSLATOR PartGui::DlgSettingsPathColor */
+/* TRANSLATOR PathGui::DlgSettingsPathColor */
 
 /**
  *  Constructs a DlgSettingsObjectColor which is a child of 'parent', with the 

src/Mod/Path/Gui/ViewProviderPath.cpp

@@ -231,7 +231,7 @@ void ViewProviderPath::updateData(const App::Property* prop)
         bool absolute = true;
         bool first = true;
         
-        for (int  i = 0; i < tp.getSize(); i++) {
+        for (unsigned int  i = 0; i < tp.getSize(); i++) {
             Path::Command cmd = tp.getCommand(i);
             std::string name = cmd.Name;
             Base::Vector3d next = cmd.getPlacement().getPosition();