First

2024-07-02 18:12:23 +02:00
commit b344afa9fe
89 changed files with 10568 additions and 0 deletions
@@ -0,0 +1,49 @@
+#pragma once
+
+#include "fs/ISource.h"
+#include "fs/AbsPath.h"
+#include "fs/Api.h"
+
+namespace fs
+{
+
+class FS_API FileSource final : public ISource
+{
+public:
+	explicit FileSource(const AbsPath& i_filepath) noexcept;
+	FileSource(const AbsPath& i_filepath, Flags i_flags) noexcept;
+	~FileSource() noexcept override;
+
+	FileSource(FileSource&& i_other) noexcept;
+	FileSource& operator=(FileSource&& i_other) noexcept;
+
+	bool isValid() const noexcept;
+	tl::optional<Error> getLastError() const override;
+
+	size_t read(tl::span<uint8_t> data) override;
+
+	void seekBeg(uint64_t i_offset) override;
+	void seekRel(int64_t i_offset) override;
+
+	uint64_t tell() const override;
+	uint64_t getSize() const override;
+
+	bool isEOS() const override;
+
+	size_t getPreferredBufferSize() const override;
+
+private:
+	FileSource() noexcept = default;
+	void swap(FileSource& i_other) noexcept;
+
+	void close() noexcept;
+
+	bool m_isConstructed = false;
+	std::array<uint64_t, 4> m_arena;
+
+	uint64_t m_offset = 0;
+	mutable uint64_t m_size = uint64_t(-1);
+	mutable tl::optional<Error> m_optLastError;
+};
+}
+