ADD: new boolean parameter

Modules/Wrappers/ApplicationEngine/include/otbWrapperBoolParameter.h

+/*
+ * Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
+ *
+ * This file is part of Orfeo Toolbox
+ *
+ *     https://www.orfeo-toolbox.org/
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef otbWrapperBoolParameter_h
+#define otbWrapperBoolParameter_h
+
+namespace otb
+{
+namespace Wrapper
+{
+
+/** \class BoolParameter
+ *  \brief This class represent a boolean parameter for the wrapper framework
+ *
+ *  It is intended to replace the deprecated EmptyParameter
+ * 
+ * \ingroup OTBApplicationEngine
+ */
+class OTBApplicationEngine_EXPORT BoolParameter
+  : public Parameter
+{
+public:
+  /** Standard class typedef */
+  typedef BoolParameter                 Self;
+  typedef Parameter                     Superclass;
+  typedef itk::SmartPointer<Self>       Pointer;
+  typedef itk::SmartPointer<const Self> ConstPointer;
+
+    /** Defining ::New() static method */
+  itkNewMacro(Self);
+
+  /** RTTI support */
+  itkTypeMacro(BoolParameter, Parameter);
+
+  /** This parameter is ON/OFF switch, it always has a value */
+  bool HasValue() const override
+  {
+    return true;
+  }
+
+  bool GetValue() const;
+
+  void SetValue(bool state);
+
+  void SetValue(const std::string & str);
+
+protected:
+  /** Constructor */
+  BoolParameter()
+    : m_Value(false)
+  {}
+
+  /** Destructor */
+  ~BoolParameter() override
+  {}
+
+private:
+  BoolParameter(const BoolParameter &) = delete;
+  void operator =(const BoolParameter&) = delete;
+
+  bool m_Value;
+};
+
+} // end of namespace Wrapper
+} // end of namespace otb
+
+#endif

Modules/Wrappers/ApplicationEngine/src/otbWrapperBoolParameter.cxx

+/*
+ * Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
+ *
+ * This file is part of Orfeo Toolbox
+ *
+ *     https://www.orfeo-toolbox.org/
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "otbWrapperBoolParameter.h"
+
+namespace otb
+{
+namespace Wrapper
+{
+
+bool
+BoolParameter::GetValue() const
+{
+  return m_Value;
+}
+
+void
+BoolParameter::SetValue(bool state)
+{
+  if (m_Value != state)
+    {
+    m_Value = state;
+    this->Modified();
+    }
+}
+
+void
+BoolParameter::SetValue(const std::string & str)
+{
+  std::string lowerStr;
+  // only strings less than 10 characters expected
+  lowerStr.reserve(10);
+  for (unsigned int i=0 ; i < std::min(10,str.size()) ; i++ )
+    {
+    lowerStr.push_back(tolower(str[i]));
+    }
+  if (lowerStr == "1" || lowerStr == "on" || lowerStr == "true")
+    {
+    this->SetValue(true);
+    }
+  else if (lowerStr == "0" || lowerStr == "off" || lowerStr == "false")
+    {
+    this->SetValue(false);
+    }
+  else
+    {
+    // TODO: exception, value not a bool
+    }
+}
+
+} // end of namespace Wrapper
+} // end of namespace otb