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/*
* mptFileTemporary.h
* ------------------
* Purpose:
* Notes : Currently none.
* Authors: OpenMPT Devs
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
*/
#pragma once
#include "openmpt/all/BuildSettings.hpp"
#include "mpt/base/namespace.hpp"
#if defined(MODPLUG_TRACKER) && MPT_OS_WINDOWS
#include "mpt/fs/common_directories.hpp"
#include "mpt/fs/fs.hpp"
#include "mpt/io_file_unique/unique_basename.hpp"
#include "mpt/io_file_unique/unique_tempfilename.hpp"
#include "mpt/uuid/uuid.hpp"
#include "mptPathString.h"
#include "mptRandom.h"
#if MPT_OS_WINDOWS
#include <windows.h>
#endif
#endif // MODPLUG_TRACKER && MPT_OS_WINDOWS
OPENMPT_NAMESPACE_BEGIN
namespace mpt
{
#if defined(MODPLUG_TRACKER) && MPT_OS_WINDOWS
// Returns a new unique absolute path.
class TemporaryPathname
{
private:
mpt::PathString m_Path;
public:
TemporaryPathname(const mpt::PathString &fileNameExtension = P_("tmp"))
{
mpt::PathString prefix;
#if defined(LIBOPENMPT_BUILD)
prefix = P_("libopenmpt");
#else
prefix = P_("OpenMPT");
#endif
m_Path = mpt::PathString::FromNative(mpt::IO::unique_tempfilename{mpt::IO::unique_basename{prefix, mpt::UUID::GenerateLocalUseOnly(mpt::global_prng())}, fileNameExtension});
}
public:
mpt::PathString GetPathname() const
{
return m_Path;
}
};
// Scoped temporary file guard. Deletes the file when going out of scope.
// The file itself is not created automatically.
class TempFileGuard
{
private:
const mpt::PathString filename;
public:
TempFileGuard(const mpt::TemporaryPathname &pathname = mpt::TemporaryPathname{})
: filename(pathname.GetPathname())
{
return;
}
mpt::PathString GetFilename() const
{
return filename;
}
~TempFileGuard()
{
if(!filename.empty())
{
DeleteFile(mpt::support_long_path(filename.AsNative()).c_str());
}
}
};
// Scoped temporary directory guard. Deletes the directory when going out of scope.
// The directory itself is created automatically.
class TempDirGuard
{
private:
mpt::PathString dirname;
public:
TempDirGuard(const mpt::TemporaryPathname &pathname = mpt::TemporaryPathname{})
: dirname(pathname.GetPathname().WithTrailingSlash())
{
if(dirname.empty())
{
return;
}
if(::CreateDirectory(mpt::support_long_path(dirname.AsNative()).c_str(), NULL) == 0)
{ // fail
dirname = mpt::PathString();
}
}
mpt::PathString GetDirname() const
{
return dirname;
}
~TempDirGuard()
{
if(!dirname.empty())
{
mpt::native_fs{}.delete_tree(dirname);
}
}
};
#endif // MODPLUG_TRACKER && MPT_OS_WINDOWS
} // namespace mpt
OPENMPT_NAMESPACE_END
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