Fixes

Src/ConfigData/imp/cpp/ConfigData.cpp

@@ -0,0 +1,95 @@
+// IAEngine: 2D Game Engine by IA
+// Copyright (C) 2025 IASoft (PVT) LTD (oss@iasoft.dev)
+//
+// This program 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.
+//
+// This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <ConfigData/ConfigData.hpp>
+
+#include <IACore/File.hpp>
+
+#include <filesystem>
+
+namespace ia::iae
+{
+    ConfigData::ConfigData(IN pugi::xml_document &&document, IN CONST String &type, IN CONST String &name,
+                           IN pugi::xml_node propertiesNode, IN Vector<pugi::xml_node> &&childNodes)
+        : m_document(IA_MOVE(document)), m_type(type), m_name(name), m_propertiesNode(propertiesNode),
+          m_childNodes(IA_MOVE(childNodes))
+    {
+    }
+
+    RefPtr<ConfigData> ConfigData::LoadFromFile(IN CONST String &path)
+    {
+        const auto result = LoadFromMemory(File::ReadToString(path));
+        result->m_filePath = std::filesystem::canonical(path.c_str()).string().c_str();
+        return result;
+    }
+
+    RefPtr<ConfigData> ConfigData::LoadFromMemory(IN CONST String &data)
+    {
+        pugi::xml_document doc;
+        if (!doc.load_string(data.c_str()))
+            return nullptr;
+
+        if (std::distance(doc.children().begin(), doc.children().end()) != 1)
+            return nullptr;
+        const auto rootNode = *doc.children().begin();
+
+        // Verify Engine Version
+        {
+            const auto engineInfoNode = rootNode.child("IAEngine");
+            if (!engineInfoNode)
+                return nullptr;
+            const auto engineVersionNode = engineInfoNode.child("EngineVersion");
+            if (!engineVersionNode)
+                return nullptr;
+            const auto engineVersion = IA_PARSE_VERSION_STRING(engineVersionNode.text().as_string());
+            if (engineVersion > ENGINE_VERSION)
+            {
+                CFG_LOG_WARN("XML data file was created with a newer version of IAEngine, skipping..");
+                return nullptr;
+            }
+        }
+
+        const auto propertiesNode = rootNode.child("Properties");
+        if (!propertiesNode)
+            return nullptr;
+
+        Vector<pugi::xml_node> childNodes;
+        for (auto &c : rootNode.children())
+        {
+            if ((!strcmp(c.name(), "Properties")) || (!strcmp(c.name(), "IAEngine")))
+                continue;
+            childNodes.pushBack(c);
+        }
+
+        const auto nameAttr = rootNode.attribute("name");
+
+        return MakeRefPtr<ConfigData>(IA_MOVE(doc), rootNode.name(), nameAttr ? nameAttr.as_string() : "",
+                                      propertiesNode, IA_MOVE(childNodes));
+    }
+
+    VOID ConfigData::WriteChangesToDisk()
+    {
+        if (m_filePath.empty())
+            return;
+        
+        m_document.save_file(m_filePath.c_str());
+    }
+
+    pugi::xml_node ConfigData::Property(IN CONST String &name)
+    {
+        return m_propertiesNode.child(name.c_str());
+    }
+} // namespace ia::iae