261 lines
8.7 KiB
C++
261 lines
8.7 KiB
C++
#pragma once
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#include "EHS.h"
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#include "Str.h"
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#include "Vector.h"
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#include "Array.h"
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#include "Serializer.h"
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namespace ehs
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{
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enum class Mode
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{
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READ,
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WRITE,
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READ_WRITE
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};
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enum class Disposition
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{
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CREATE_PERSISTENT,
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CREATE,
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OPEN_PERSISTENT,
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OPEN,
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TRUNCATE
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};
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/// A cross-platform wrapper class that handles native file input/output.
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class BaseFile
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{
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protected:
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Str_8 path;
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Str_8 fullName;
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Str_8 name;
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Str_8 extension;
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Mode mode;
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Disposition disposition;
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public:
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/// Frees all native handles.
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virtual ~BaseFile() = default;
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/// Default members initialization.
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BaseFile();
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/// Initializes members with the given data.
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/// @param [in] filePath The file path to read or write to.
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/// @param [in] mode The mode when accessing the file.
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/// @param [in] disposition How to handle the file.
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BaseFile(const Str_8& filePath, const Mode mode, const Disposition disposition);
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BaseFile(BaseFile&& file) noexcept;
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/// Copy constructor.
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/// @param [in] file The file object to copy from.
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BaseFile(const BaseFile& file) = default;
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BaseFile& operator=(BaseFile&& file) noexcept;
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/// Copy operator.
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/// @param [in] file The file object to copy from.
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BaseFile& operator=(const BaseFile& file) = default;
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virtual operator const Byte*() const = 0;
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virtual operator Byte*() = 0;
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/// Uninitializes the native handle.
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/// @param [in] raiseLog Whether or not to raise a log if already uninitialized. Mostly for deconstructor.
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virtual void Release() = 0;
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virtual bool IsMapped() const = 0;
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virtual UInt_64 MapSize() const = 0;
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virtual void Map(const UInt_64 offset, const UInt_64 size) = 0;
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virtual void Unmap() = 0;
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virtual void FlushMap() = 0;
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/// Writes a C-style byte array to the file.
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/// @param [in] data The C-style byte array to write to the file.
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/// @param [in] size The size of the given C-style byte array.
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virtual UInt_64 Write(const Byte* const data, const UInt_64 size) = 0;
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/// Writes a C-style string to the file.
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/// @tparam T The character data type to use.
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/// @param [in] str The C-style string to write to the file.
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/// @param [in] size The size of the given C-style string.
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void WriteStr_32(const Char_32* const str, const UInt_64 size);
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/// Writes a string to the file.
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/// @tparam T The character data type to use.
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/// @tparam N The data type to use for numbers.
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/// @param [in] str The string to write to the file.
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void WriteStr_32(const Str_32& str);
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/// Writes a C-style string to the file.
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/// @tparam T The character data type to use.
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/// @param [in] str The C-style string to write to the file.
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/// @param [in] size The size of the given C-style string.
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void WriteStr_16(const Char_16* const str, const UInt_64 size);
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/// Writes a string to the file.
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/// @tparam T The character data type to use.
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/// @tparam N The data type to use for numbers.
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/// @param [in] str The string to write to the file.
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void WriteStr_16(const Str_16& str);
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/// Writes a C-style string to the file.
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/// @tparam T The character data type to use.
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/// @param [in] str The C-style string to write to the file.
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/// @param [in] size The size of the given C-style string.
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void WriteStr_8(const Char_8* const str, const UInt_64 size);
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/// Writes a string to the file.
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/// @tparam T The character data type to use.
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/// @tparam N The data type to use for numbers.
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/// @param [in] str The string to write to the file.
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void WriteStr_8(const Str_8& str);
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/// Writes a vector to the file.
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/// @tparam N The data type to use for numbers.
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/// @param [in] vec The vector to write to the file.
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void WriteVector(const Vector<Byte, UInt_64>& vec);
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/// Writes an array to the file.
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/// @tparam N The data type to use for numbers.
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/// @param [in] arr The array to write to the file.
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void WriteArray(const Array<Byte, UInt_64>& arr);
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/// Writes a serializer to the file.
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/// @tparam N The data type to use for numbers.
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/// @param [in] ser The serializer to write to the file.
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void WriteSerializer_64(const Serializer<UInt_64>& ser);
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/// Writes a serializer to the file.
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/// @tparam N The data type to use for numbers.
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/// @param [in] ser The serializer to write to the file.
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void WriteSerializer_32(const Serializer<UInt_32>& ser);
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/// Reads data from the file as a C-style byte array.
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/// @param [out] buffer The buffer to store the data read from the file.
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/// @param [in] size The size of the given buffer and how much data to read.
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virtual UInt_64 Read(Byte* const buffer, const UInt_64 size) = 0;
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/// Reads data from the file as a C-style string.
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/// @tparam T The character data type to use.
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/// @param [out] buffer The buffer to store the data read from the file.
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/// @param [in] size The size of the given buffer and how much data to read.
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void ReadStr_32(Char_32* const buffer, UInt_64& size);
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/// Reads data from the file as a string.
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/// @tparam T The character data type to use.
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/// @tparam N The data type to use for numbers.
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/// @param [in] size The size of the buffer and how much data to read.
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/// @returns The resulting string.
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Str_32 ReadStr_32(const UInt_64 size);
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/// Reads data from the file as a C-style string.
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/// @tparam T The character data type to use.
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/// @param [out] buffer The buffer to store the data read from the file.
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/// @param [in] size The size of the given buffer and how much data to read.
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void ReadStr_16(Char_16* const buffer, UInt_64& size);
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/// Reads data from the file as a string.
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/// @tparam T The character data type to use.
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/// @tparam N The data type to use for numbers.
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/// @param [in] size The size of the buffer and how much data to read.
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/// @returns The resulting string.
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Str_16 ReadStr_16(const UInt_64 size);
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/// Reads data from the file as a C-style string.
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/// @tparam T The character data type to use.
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/// @param [out] buffer The buffer to store the data read from the file.
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/// @param [in] size The size of the given buffer and how much data to read.
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void ReadStr_8(Char_8* const buffer, UInt_64& size);
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/// Reads data from the file as a string.
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/// @tparam T The character data type to use.
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/// @tparam N The data type to use for numbers.
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/// @param [in] size The size of the buffer and how much data to read.
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/// @returns The resulting string.
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Str_8 ReadStr_8(const UInt_64 size);
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/// Reads data from the file as a vector.
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/// @tparam N The data type to use for numbers.
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/// @param [in] size The size of the buffer and how much data to read.
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/// @returns The resulting vector.
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Vector<Byte, UInt_64> ReadVector(const UInt_64 size);
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/// Reads data from the file as an array.
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/// @tparam N The data type to use for numbers.
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/// @param [in] size The size of the buffer and how much data to read.
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/// @returns The resulting array.
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Array<Byte, UInt_64> ReadArray(const UInt_64 size);
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/// Reads data from the file as a serializer.
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/// @tparam N The data type to use for numbers.
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/// @param[in] end The Endianness of the data in the file.
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/// @param[in] size The size of the buffer and how much data to read.
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/// @returns The resulting serializer.
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Serializer<UInt_64> ReadSerializer_64(const Endianness end, const UInt_64 size);
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/// Reads data from the file as a serializer.
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/// @tparam N The data type to use for numbers.
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/// @param[in] end The Endianness of the data in the file.
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/// @param[in] size The size of the buffer and how much data to read.
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/// @returns The resulting serializer.
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Serializer<UInt_32> ReadSerializer_32(const Endianness end, const UInt_32 size);
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virtual void Seek(UInt_64 index) = 0;
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virtual void SeekBeginning() = 0;
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virtual void SeekEnd() = 0;
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virtual void Truncate(const UInt_64 size) = 0;
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/// Retrieves the size of the file.
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/// @returns The result.
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virtual UInt_64 Size() const = 0;
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Str_8 GetPath() const;
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Str_8 GetFullName() const;
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Str_8 GetName() const;
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Str_8 GetExtension() const;
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/// Retrieves whether or not this object is valid.
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/// @returns The result.
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virtual bool IsValid() const = 0;
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static void Rename_32(const Str_32& filePath, const Str_32& newName);
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static void Rename_16(const Str_16& filePath, const Str_16& newName);
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static void Rename_8(const Str_8& filePath, const Str_8& newName);
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static Str_32 ProcessFullName_32(const Str_32& filePath);
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static Str_16 ProcessFullName_16(const Str_16& filePath);
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static Str_8 ProcessFullName_8(const Str_8& filePath);
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static Str_32 ProcessName_32(const Str_32& filePath);
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static Str_16 ProcessName_16(const Str_16& filePath);
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static Str_8 ProcessName_8(const Str_8& filePath);
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static Str_32 ProcessExt_32(const Str_32& filePath);
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static Str_16 ProcessExt_16(const Str_16& filePath);
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static Str_8 ProcessExt_8(const Str_8& filePath);
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};
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}
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