Added initial Doxygen config

src/common/model/source_location.h

@@ -22,6 +22,9 @@
 
 namespace clanguml::common::model {
 
+/**
+ * @brief Base class of all diagram elements that have source location.
+ */
 class source_location {
 public:
     source_location() = default;
@@ -32,31 +35,96 @@ public:
     {
     }
 
+    /**
+     * Return absolute source file path.
+     *
+     * @return Absolute file path.
+     */
     const std::string &file() const { return file_; }
 
+    /**
+     * Set absolute file path.
+     *
+     * @param file Absolute file path.
+     */
     void set_file(const std::string &file) { file_ = file; }
 
+    /**
+     * Return source file path relative to `relative_to` config option.
+     *
+     * @return Relative file path.
+     */
     const std::string &file_relative() const { return file_relative_; }
 
+    /**
+     * Set relative file path.
+     *
+     * @param file Relative file path.
+     */
     void set_file_relative(const std::string &file) { file_relative_ = file; }
 
+    /**
+     * Get the translation unit, from which this source location was visited.
+     *
+     * @return Path to the translation unit.
+     */
     const std::string &translation_unit() const { return translation_unit_; }
 
+    /**
+     * Set the path to translation unit, from which this source location was
+     * visited.
+     *
+     * @param translation_unit Path to the translation unit.
+     */
     void set_translation_unit(const std::string &translation_unit)
     {
         translation_unit_ = translation_unit;
     }
 
+    /**
+     * Get the source location line number.
+     *
+     * @return Line number.
+     */
     unsigned int line() const { return line_; }
 
+    /**
+     * Set the source location line number.
+     *
+     * @param line Line number.
+     */
     void set_line(const unsigned line) { line_ = line; }
 
+    /**
+     * Get the source location column number.
+     *
+     * @return Column number.
+     */
     unsigned int column() const { return column_; }
 
+    /**
+     * Set the source location column number.
+     *
+     * @param line Column number.
+     */
     void set_column(const unsigned column) { column_ = column; }
 
+    /**
+     * Get the source location id.
+     *
+     * The location id is equivalent to Clang's SourceLocation::getHashValue()
+     *
+     * @return Location id.
+     */
     unsigned int location_id() const { return hash_; }
 
+    /**
+     * Set the source location id.
+     *
+     * The location id is equivalent to Clang's SourceLocation::getHashValue()
+     *
+     * @param h Location id.
+     */
     void set_location_id(unsigned int h) { hash_ = h; }
 
 private: