symbol docs module implemented, part of file tree implemented

include/docs.hpp

@@ -0,0 +1,52 @@
+#pragma once
+
+#include <optional>
+#include <string>
+#include <unordered_map>
+
+namespace file {
+
+class SymbolDocs {
+public:
+  SymbolDocs(std::string &&description)
+      : description_(std::move(description)) {}
+
+  SymbolDocs(const std::string &description) : description_(description) {}
+
+  template <typename T>
+  bool set_annotation_info(const std::string &annotation, T &&info) {
+    if (annotations_info_.count(annotation) == 0) {
+      annotations_info_[annotation] = std::forward<T>(info);
+      return true;
+    }
+    return false;
+  }
+
+  std::string *get_description() { return &description_; }
+
+  const std::string *get_description() const { return &description_; }
+
+  std::optional<std::string *>
+  get_annotation_info(const std::string &annotation) {
+    auto info_iterator = annotations_info_.find(annotation);
+    if (info_iterator != annotations_info_.end()) {
+      return &info_iterator->second;
+    }
+    return std::nullopt;
+  }
+
+  std::optional<const std::string *>
+  get_annotation_info(const std::string &annotation) const {
+    auto info_iterator = annotations_info_.find(annotation);
+    if (info_iterator != annotations_info_.end()) {
+      return &info_iterator->second;
+    }
+    return std::nullopt;
+  }
+
+private:
+  std::string description_;
+  std::unordered_map<std::string, std::string> annotations_info_;
+};
+
+} // namespace file