First

2024-07-02 18:12:23 +02:00
commit b344afa9fe
89 changed files with 10568 additions and 0 deletions
@@ -0,0 +1,41 @@
+#pragma once
+#include "fs/IStreamSource.h"
+#include "tl/memory_buffer.h"
+#include "fs/Api.h"
+#include "tl/ptr.h"
+
+namespace fs
+{
+
+class FS_API DeflateStreamSource final : public IStreamSource
+{
+public:
+	explicit DeflateStreamSource(IStreamSource& source); //non-owning
+	explicit DeflateStreamSource(tl::unique_ref<IStreamSource> source); //owning
+	~DeflateStreamSource() override;
+
+	tl::optional<Error> getLastError() const override;
+	size_t read(tl::span<uint8_t> data) override;
+
+	bool isEOS() const override;
+
+	size_t getPreferredBufferSize() const override;
+
+	tl::unique_ref<IStreamSource> extract();
+
+private:
+	tl::unique_ptr<IStreamSource> m_ownedSource;
+	IStreamSource& m_source;
+
+	mutable tl::optional<Error> m_optLastError;
+
+	void initializeDeflate();
+
+	struct ZLib;
+	tl::unique_ptr<ZLib> m_zlib;
+
+	tl::memory_buffer m_buffer;
+};
+
+
+}