issue #35 renamed Interfaces folder to include and introduced a new type

for modalities

source/w3cipa/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.24)
+cmake_minimum_required(VERSION 3.24)
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMake;${CMAKE_MODULE_PATH}")
 
 include(FindPkgConfig)
@@ -58,6 +58,6 @@ include_directories(${CURL_INCLUDE_DIR})
 
 set(requiredlibs ${requiredlibs} ${CURL_LIBRARIES})
 
-include_directories(Interfaces)
+include_directories(include)
 
 add_subdirectory(sources)

source/w3cipa/include/w3c/voiceinteraction/ipa/ModalityType.h

@@ -0,0 +1,88 @@
+
+#if !defined(MODAILTYTYPE_H)
+#define MODAILTYTYPE_H
+
+#include <string>
+
+namespace w3c {
+namespace voiceinteraction {
+namespace ipa {
+
+/**
+ * The SessionId interface is used to identify a session.
+ */
+class ModalityType {
+public:
+    /**
+     * Contructs a new ModalityType.
+     * @param modalityType A human readable string identifying the modality
+     *          type.
+     */
+    ModalityType(const std::string& modalityType)
+        : modalityType(modalityType) {
+    }
+
+    /**
+     * Copy constructor.
+     * @param other the other modality to copy from.
+     */
+    ModalityType(const ModalityType& other)
+        : modalityType(other.getModalityType()) {
+    }
+
+    /**
+     * Destroys the object.
+     */
+    virtual ~ModalityType() {
+    }
+
+    /**
+     * Returns the modality type.
+     * @return The modality type.
+     */
+    const std::string& getModalityType() const {
+        return modalityType;
+    }
+
+    /**
+     * @brief operator <
+     * Comparison to allow for usage in {@code std::map}s.
+     * @param other the other modality
+     * @return {@code true} in case the
+     *          {@code getModalityType() < other.getModalityType()}.
+     */
+    bool operator<(const ModalityType& other) const
+    {
+        return modalityType < other.getModalityType();
+    }
+
+    /**
+     * @brief operator =
+     * @param other the other modality
+     */
+    void operator=(const ModalityType& other) {
+        modalityType = other.getModalityType();
+    }
+
+    /**
+     * @brief operator ==
+     * @param other the other modality
+     * @return {@code true} in case the
+     *          {@code getModalityType() == other.getModalityType()}.
+     */
+    bool operator==(const ModalityType& other) const {
+        return modalityType == other.getModalityType();
+    }
+
+private:
+    /** A human readable string identifying the modality type. */
+    std::string modalityType;
+
+};
+
+
+} // namespace ipa
+} // namespace voiceinteraction
+} // namespace w3c
+
+#endif // !defined(MODAILTYTYPE_H)