Add ZoneWriting basis

src/ZoneWriting/Writing/ZoneWriter.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <vector>
+#include <memory>
+
+#include "IWritingStep.h"
+#include "OutputStreamProcessor.h"
+#include "Zone/Zone.h"
+
+class IWritingStep;
+
+class ZoneWriter
+{
+    std::vector<std::unique_ptr<IWritingStep>> m_steps;
+    std::vector<std::unique_ptr<OutputStreamProcessor>> m_processors;
+
+    bool m_processor_chain_dirty;
+
+    IWritingStream* BuildWritingChain(IWritingStream* rootStream);
+
+public:
+    std::vector<std::unique_ptr<XBlock>> m_blocks;
+
+    ZoneWriter();
+
+    void AddXBlock(std::unique_ptr<XBlock> block);
+    void AddWritingStep(std::unique_ptr<IWritingStep> step);
+    void AddStreamProcessor(std::unique_ptr<OutputStreamProcessor> streamProcessor);
+
+    void RemoveStreamProcessor(OutputStreamProcessor* streamProcessor);
+
+    bool WriteZone(std::ostream& stream);
+};