Remove ConditionalMetadata

While it makes sense, it doesn't really add any value and there is value in having all the relevant data and methods in a single class.

cpp/src/api/metadata/conditional_metadata.cpp

@@ -1,34 +0,0 @@
-/*  LOOT
-
-    A load order optimisation tool for Oblivion, Skyrim, Fallout 3 and
-    Fallout: New Vegas.
-
-    Copyright (C) 2012-2016    WrinklyNinja
-
-    This file is part of LOOT.
-
-    LOOT is free software: you can redistribute
-    it and/or modify it under the terms of the GNU General Public License
-    as published by the Free Software Foundation, either version 3 of
-    the License, or (at your option) any later version.
-
-    LOOT is distributed in the hope that it will
-    be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with LOOT.  If not, see
-    <https://www.gnu.org/licenses/>.
-    */
-
-#include "loot/metadata/conditional_metadata.h"
-
-namespace loot {
-ConditionalMetadata::ConditionalMetadata(std::string_view condition) :
-    condition_(condition) {}
-
-bool ConditionalMetadata::IsConditional() const { return !condition_.empty(); }
-
-std::string ConditionalMetadata::GetCondition() const { return condition_; }
-}

cpp/src/api/metadata/file.cpp

@@ -30,10 +30,10 @@ File::File(std::string_view name,
            std::string_view condition,
            const std::vector<MessageContent>& detail,
            std::string_view constraint) :
-    ConditionalMetadata(condition),
     name_(Filename(name)),
     display_(display),
     detail_(detail),
+    condition_(condition),
     constraint_(constraint) {}
 
 Filename File::GetName() const { return name_; }
@@ -42,6 +42,8 @@ std::string File::GetDisplayName() const { return display_; }
 
 std::vector<MessageContent> File::GetDetail() const { return detail_; }
 
+std::string File::GetCondition() const { return condition_; }
+
 std::string File::GetConstraint() const { return constraint_; }
 
 bool operator==(const File& lhs, const File& rhs) {

cpp/src/api/metadata/message.cpp

@@ -30,14 +30,12 @@ namespace loot {
 Message::Message(const MessageType type,
                  std::string_view content,
                  std::string_view condition) :
-    ConditionalMetadata(condition),
-    type_(type),
-    content_({MessageContent(content)}) {}
+    type_(type), content_({MessageContent(content)}), condition_(condition) {}
 
 Message::Message(const MessageType type,
                  const std::vector<MessageContent>& content,
                  std::string_view condition) :
-    ConditionalMetadata(condition), type_(type), content_(content) {
+    type_(type), content_(content), condition_(condition) {
   if (content.size() > 1) {
     bool englishStringExists = false;
     for (const auto& mc : content) {
@@ -55,6 +53,8 @@ MessageType Message::GetType() const { return type_; }
 
 std::vector<MessageContent> Message::GetContent() const { return content_; }
 
+std::string Message::GetCondition() const { return condition_; }
+
 bool operator==(const Message& lhs, const Message& rhs) {
   return lhs.GetType() == rhs.GetType() &&
          lhs.GetCondition() == rhs.GetCondition() &&

cpp/src/api/metadata/tag.cpp

@@ -28,12 +28,14 @@ namespace loot {
 Tag::Tag(std::string_view tag,
          const bool isAddition,
          std::string_view condition) :
-    ConditionalMetadata(condition), name_(tag), addTag_(isAddition) {}
+    name_(tag), addTag_(isAddition), condition_(condition) {}
 
 bool Tag::IsAddition() const { return addTag_; }
 
 std::string Tag::GetName() const { return name_; }
 
+std::string Tag::GetCondition() const { return condition_; }
+
 bool operator==(const Tag& lhs, const Tag& rhs) {
   return lhs.IsAddition() == rhs.IsAddition() &&
          lhs.GetName() == rhs.GetName() &&