Introduce new class LabelType

Use MinMaxString as we have to follow size constraints:
1 <> 64

This will be used in the SpecificAssetId and Entity

Signed-off-by: Tobias Klausmann <[email protected]>

src/libaas/basyx/labelType.cpp

@@ -0,0 +1,24 @@
+#include <basyx/labelType.h>
+
+namespace basyx {
+
+LabelType &LabelType::operator=(const LabelType &id) noexcept {
+   base::MinMaxString::operator=(id);
+   return *this;
+}
+
+LabelType &LabelType::operator=(const basyx::util::string_view& id) noexcept {
+   base::MinMaxString::operator=(id.to_string());
+   return *this;
+}
+
+LabelType &LabelType::operator=(const std::string& id) noexcept {
+   base::MinMaxString::operator=(id);
+   return *this;
+}
+
+std::string LabelType::getLabel() const {
+   return static_cast<std::string>(*this);
+}
+
+};

src/libaas/basyx/labelType.h

@@ -0,0 +1,33 @@
+#ifndef LABELTYPE_H
+#define LABELTYPE_H
+
+#include <basyx/base/minMaxString.h>
+#include <basyx/util/string_view/string_view.hpp>
+
+namespace basyx
+{
+
+class LabelType: public base::MinMaxString {
+private:
+   static const unsigned int minLenght = 1;
+   static const unsigned int maxLenght = 64;
+public:
+   LabelType(): base::MinMaxString(minLenght, maxLenght) {}
+   LabelType(const LabelType&) = default;
+   LabelType(const basyx::util::string_view &v):
+      base::MinMaxString(minLenght, maxLenght) {
+      base::MinMaxString::operator=(v.to_string());
+   }
+   LabelType(LabelType&&) = default;
+
+   LabelType& operator=(const LabelType& id) noexcept;
+   LabelType& operator=(const basyx::util::string_view& id) noexcept;
+   LabelType& operator=(const std::string& id) noexcept;
+   //LabelType& operator=(LabelType &) noexcept = default;
+
+   std::string getLabel() const;
+
+   ~LabelType() = default;
+};
+};
+#endif // LABELTYPE_H

src/libaas/sources.cmake

@@ -30,6 +30,7 @@ SET(SOURCE_FILES_BASYX_AAS
     ${CMAKE_CURRENT_SOURCE_DIR}/basyx/identifier.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/basyx/identifierkeyvaluepair.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/basyx/key.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/basyx/labelType.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/basyx/langstringset.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/basyx/modeltype.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/basyx/qualifiable/qualifiable.cpp
@@ -104,6 +105,7 @@ SET(HEADER_FILES_BASYX_AAS
     ${CMAKE_CURRENT_SOURCE_DIR}/basyx/identifier.h
     ${CMAKE_CURRENT_SOURCE_DIR}/basyx/identifierkeyvaluepair.h
     ${CMAKE_CURRENT_SOURCE_DIR}/basyx/key.h
+    ${CMAKE_CURRENT_SOURCE_DIR}/basyx/labelType.h
     ${CMAKE_CURRENT_SOURCE_DIR}/basyx/langstringset.h
     ${CMAKE_CURRENT_SOURCE_DIR}/basyx/modeltype.h
     ${CMAKE_CURRENT_SOURCE_DIR}/basyx/qualifiable/qualifiable.h