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Move IOFile to a separate file

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Reduces the number of files that need to be recompiled
when making changes to FileUtil.h.
This commit is contained in:
JosJuice
2017-01-15 21:46:32 +01:00
parent 67dbbc67c0
commit f09ceaa735
93 changed files with 325 additions and 235 deletions
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78
Source/Core/Common/FileUtil.h
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@ -5,7 +5,6 @@
#pragma once
#include <cstddef>
#include <cstdio>
#include <fstream>
#include <string>
#include <vector>
@ -163,83 +162,6 @@ std::string& GetExeDirectory();
bool WriteStringToFile(const std::string& str, const std::string& filename);
bool ReadFileToString(const std::string& filename, std::string& str);
// simple wrapper for cstdlib file functions to
// hopefully will make error checking easier
// and make forgetting an fclose() harder
class IOFile : public NonCopyable
{
public:
IOFile();
IOFile(std::FILE* file);
IOFile(const std::string& filename, const char openmode[]);
~IOFile();
IOFile(IOFile&& other) noexcept;
IOFile& operator=(IOFile&& other) noexcept;
void Swap(IOFile& other) noexcept;
bool Open(const std::string& filename, const char openmode[]);
bool Close();
template <typename T>
bool ReadArray(T* data, size_t length, size_t* pReadBytes = nullptr)
{
size_t read_bytes = 0;
if (!IsOpen() || length != (read_bytes = std::fread(data, sizeof(T), length, m_file)))
m_good = false;
if (pReadBytes)
*pReadBytes = read_bytes;
return m_good;
}
template <typename T>
bool WriteArray(const T* data, size_t length)
{
if (!IsOpen() || length != std::fwrite(data, sizeof(T), length, m_file))
m_good = false;
return m_good;
}
bool ReadBytes(void* data, size_t length)
{
return ReadArray(reinterpret_cast<char*>(data), length);
}
bool WriteBytes(const void* data, size_t length)
{
return WriteArray(reinterpret_cast<const char*>(data), length);
}
bool IsOpen() const { return nullptr != m_file; }
// m_good is set to false when a read, write or other function fails
bool IsGood() const { return m_good; }
explicit operator bool() const { return IsGood() && IsOpen(); }
std::FILE* GetHandle() { return m_file; }
void SetHandle(std::FILE* file);
bool Seek(s64 off, int origin);
u64 Tell() const;
u64 GetSize();
bool Resize(u64 size);
bool Flush();
// clear error state
void Clear()
{
m_good = true;
std::clearerr(m_file);
}
private:
std::FILE* m_file;
bool m_good;
};
} // namespace
// To deal with Windows being dumb at unicode: