First

2024-07-02 18:12:23 +02:00
commit b344afa9fe
89 changed files with 10568 additions and 0 deletions
@@ -0,0 +1,55 @@
+#pragma once
+
+#include "IMapSource.h"
+#include "tl/memory_buffer.h"
+#include "fs/Api.h"
+
+namespace fs
+{
+class MemorySink;
+
+class FS_API MemorySource final : public IMapSource
+{
+	friend class MemorySink;
+public:
+	// The source will make an internal copy of the data passed by the constructor
+	// rawMemory can be safely destroyed after calling the constructor
+	explicit MemorySource(tl::span<const uint8_t> data);
+	explicit MemorySource(MemorySink& sink);
+	explicit MemorySource(const tl::memory_buffer& memoryBuffer);
+
+	MemorySource(MemorySource&&) = default;
+	MemorySource& operator=(MemorySource&&) = default;
+	
+	//we have another constructor for empty source
+	MemorySource() = default;
+	~MemorySource() override = default;
+
+	tl::optional<Error> getLastError() const override;
+
+	size_t read(tl::span<uint8_t> data) override;
+
+	void seekBeg(uint64_t offset) override;
+	void seekRel(int64_t offset) override;
+
+	uint64_t tell() const override;
+	uint64_t getSize() const override;
+
+	tl::span<const uint8_t> map(size_t size) override;
+
+	void swap(MemorySink& sink);
+
+	bool isEOS() const override;
+
+	size_t getPreferredBufferSize() const override;
+
+protected:
+	tl::memory_buffer m_data;
+
+private:
+	size_t m_offset = 0;
+	mutable tl::optional<Error> m_optLastError;
+};
+
+}
+