PropertySerialiser: make into a singleton.

Also update UESaveFile to match.

src/UESaveFile/PropertySerialiser.cpp

@@ -65,6 +65,11 @@ PropertySerialiser::PropertySerialiser() {
     arrayAppend(_collectionSerialisers, Containers::pointer<StructSerialiser>());
 }
 
+auto PropertySerialiser::instance() -> PropertySerialiser& {
+    static PropertySerialiser serialiser;
+    return serialiser;
+}
+
 auto PropertySerialiser::read(BinaryReader& reader) -> UnrealPropertyBase::ptr {
     if(reader.peekChar() < 0 || reader.eof()) {
         return nullptr;
@@ -233,8 +238,10 @@ auto PropertySerialiser::writeSet(Containers::ArrayView<UnrealPropertyBase::ptr>
 }
 
 auto PropertySerialiser::getSerialiser(Containers::StringView item_type) -> AbstractUnrealPropertySerialiser* {
+    !Utility::Debug{};
     for(auto& item : _serialisers) {
-        for(Containers::StringView serialiser_type : item->types()) {
+        for(auto serialiser_type : item->types()) {
+            Utility::Debug{} << serialiser_type;
             if(item_type == serialiser_type) {
                 return item.get();
             }

src/UESaveFile/PropertySerialiser.h

@@ -32,7 +32,7 @@ class BinaryWriter;
 
 class PropertySerialiser {
     public:
-        PropertySerialiser();
+        static auto instance() -> PropertySerialiser&;
 
         auto read(BinaryReader& reader) -> UnrealPropertyBase::ptr;
         auto readItem(BinaryReader& reader, Containers::String type, UnsignedLong value_length,
@@ -50,6 +50,8 @@ class PropertySerialiser {
                       UnsignedLong& bytes_written, BinaryWriter& writer) -> bool;
 
     private:
+        PropertySerialiser();
+
         auto getSerialiser(Containers::StringView item_type) -> AbstractUnrealPropertySerialiser*;
         auto getCollectionSerialiser(Containers::StringView item_type) -> AbstractUnrealCollectionPropertySerialiser*;
 

src/UESaveFile/UESaveFile.cpp

@@ -25,7 +25,8 @@
 
 using namespace Containers::Literals;
 
-UESaveFile::UESaveFile(Containers::String filepath)
+UESaveFile::UESaveFile(Containers::String filepath):
+    _propSerialiser{PropertySerialiser::instance()}
 {
     _filepath = std::move(filepath);
 
@@ -108,7 +109,7 @@ auto UESaveFile::saveToFile() -> bool {
 
     for(auto& prop : _properties) {
         UnsignedLong bytes_written = 0;
-        if(!_propSerialiser.write(prop, bytes_written, writer)) {
+        if(!_propSerialiser->write(prop, bytes_written, writer)) {
             _lastError = "Couldn't write the property "_s + *prop->name + " to the array."_s;
             return false;
         }
@@ -213,7 +214,7 @@ void UESaveFile::loadData() {
     }
 
     UnrealPropertyBase::ptr prop;
-    while((prop = _propSerialiser.read(reader)) != nullptr) {
+    while((prop = _propSerialiser->read(reader)) != nullptr) {
         arrayAppend(_properties, std::move(prop));
     }
 

src/UESaveFile/UESaveFile.h

@@ -18,6 +18,7 @@
 
 #include <Corrade/Containers/Array.h>
 #include <Corrade/Containers/GrowableArray.h>
+#include <Corrade/Containers/Reference.h>
 #include <Corrade/Containers/StaticArray.h>
 #include <Corrade/Containers/String.h>
 #include <Corrade/Containers/StringView.h>
@@ -90,5 +91,5 @@ class UESaveFile {
 
         Containers::Array<UnrealPropertyBase::ptr> _properties;
 
-        PropertySerialiser _propSerialiser;
+        Containers::Reference<PropertySerialiser> _propSerialiser;
 };