Big refactor, shuffling a lot of files around

src/anm2/layer.cpp

@@ -0,0 +1,39 @@
+#include "layer.h"
+
+#include "xml_.h"
+
+using namespace anm2ed::util;
+using namespace tinyxml2;
+
+namespace anm2ed::anm2
+{
+  Layer::Layer(XMLElement* element, int& id)
+  {
+    if (!element) return;
+    element->QueryIntAttribute("Id", &id);
+    xml::query_string_attribute(element, "Name", &name);
+    element->QueryIntAttribute("SpritesheetId", &spritesheetID);
+  }
+
+  XMLElement* Layer::to_element(XMLDocument& document, int id)
+  {
+    auto element = document.NewElement("Layer");
+    element->SetAttribute("Id", id);
+    element->SetAttribute("Name", name.c_str());
+    element->SetAttribute("SpritesheetId", spritesheetID);
+    return element;
+  }
+
+  void Layer::serialize(XMLDocument& document, XMLElement* parent, int id)
+  {
+    parent->InsertEndChild(to_element(document, id));
+  }
+
+  std::string Layer::to_string(int id)
+  {
+    XMLDocument document{};
+    document.InsertEndChild(to_element(document, id));
+    return xml::document_to_string(document);
+  }
+
+}