[ox] Add HashMap<String, T> to serializaton handlers

deps/ox/src/ox/std/hashmap.hpp

@@ -16,6 +16,9 @@ namespace ox {
 template<typename K, typename T>
 class HashMap {
 
+	using key_t = K;
+	using value_t = T;
+
 	private:
 		struct Pair {
 			K key = {};
@@ -31,6 +34,8 @@ class HashMap {
 
 		~HashMap();
 
+		bool operator==(const HashMap &other) const;
+
 		HashMap &operator=(HashMap &other);
 
 		/**
@@ -47,6 +52,8 @@ class HashMap {
 
 		std::size_t size() const noexcept;
 
+		const Vector<K> &keys() const noexcept;
+
 	private:
 		void expand();
 
@@ -78,6 +85,20 @@ HashMap<K, T>::~HashMap() {
 	}
 }
 
+template<typename K, typename T>
+bool HashMap<K, T>::operator==(const HashMap &other) const {
+	if (m_keys != other.m_keys) {
+		return false;
+	}
+	for (int i = 0; i < m_keys.size(); i++) {
+		auto &k = m_keys[i];
+		if (at(k) != other.at(k)) {
+			return false;
+		}
+	}
+	return true;
+}
+
 template<typename K, typename T>
 HashMap<K, T> &HashMap<K, T>::operator=(HashMap<K, T> &other) {
 	this->~HashMap<K, T>();
@@ -115,6 +136,11 @@ std::size_t HashMap<K, T>::size() const noexcept {
 	return m_keys.size();
 }
 
+template<typename K, typename T>
+const Vector<K> &HashMap<K, T>::keys() const noexcept {
+	return m_keys;
+}
+
 template<typename K, typename T>
 void HashMap<K, T>::expand() {
 	Vector<Pair*> r;