actions/itgmania212121
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

move stuff into RageFileDriverDirectHelpers

Browse Source
This commit is contained in:
Glenn Maynard
2004-01-06 05:40:24 +00:00
parent bd9f9e1358
commit afd42bc90f
1 changed files with 2 additions and 167 deletions
Download Patch File Download Diff File Expand all files Collapse all files
stepmania/src/RageFileDriverDirect.cpp
+2 -167
View File
@@ -1,5 +1,6 @@
#include "global.h"
#include "RageFileDriverDirect.h"
#include "RageFileDriverDirectHelpers.h"
#include "RageUtil.h"
#include "RageUtil_FileDB.h"
#include "RageLog.h"
@@ -17,100 +18,6 @@
#include <io.h>
#endif
#if !defined(O_BINARY)
#define O_BINARY 0
#endif
#if defined(XBOX)
/* Wrappers for low-level file functions, to work around Xbox issues: */
static int DoMkdir( const CString &sPath, int perm )
{
CString TempPath = sPath;
TempPath.Replace( "/", "\\" );
return mkdir( TempPath );
}
static int DoOpen( const CString &sPath, int flags, int perm )
{
CString TempPath = sPath;
TempPath.Replace( "/", "\\" );
return open( TempPath, flags, perm );
}
static int DoStat( const CString &sPath, struct stat *st )
{
CString TempPath = sPath;
TempPath.Replace( "/", "\\" );
return stat( sPath, st );
}
static HANDLE DoFindFirstFile( const CString &sPath, WIN32_FIND_DATA *fd )
{
CString TempPath = sPath;
TempPath.Replace( "/", "\\" );
return FindFirstFile( TempPath, fd );
}
#else
#define DoOpen open
#define DoStat stat
#define DoMkdir mkdir
#define DoFindFirstFile FindFirstFile
#endif
#if defined(WIN32)
static int WinMoveFile( const CString sOldPath, const CString sNewPath )
{
static bool Win9x = false;
if( !Win9x )
{
if( MoveFileEx( sOldPath, sNewPath, MOVEFILE_REPLACE_EXISTING ) )
return 1;
if( GetLastError() == ERROR_NOT_SUPPORTED || GetLastError() == ERROR_CALL_NOT_IMPLEMENTED )
return 0;
Win9x = true;
}
if( MoveFile( sOldPath, sNewPath ) )
return 1;
if( GetLastError() != ERROR_ALREADY_EXISTS )
return 0;
if( !DeleteFile( sNewPath ) )
return 0;
return MoveFile( sOldPath, sNewPath );
}
#endif
static int DoRemove( const CString &sPath )
{
#if defined(XBOX)
CString TempPath = sPath;
TempPath.Replace( "/", "\\" );
return remove( sPath );
#else
return remove( sPath );
#endif
}
static int DoRmdir( const CString &sPath )
{
#if defined(XBOX)
CString TempPath = sPath;
TempPath.Replace( "/", "\\" );
return rmdir( sPath );
#else
return rmdir( sPath );
#endif
}
/* This driver handles direct file access. */
class DirectFilenameDB: public FilenameDB
{
@@ -232,7 +139,6 @@ public:
virtual int Flush();
virtual void Rewind();
virtual int Seek( int offset );
virtual int GetFileSize();
virtual RageFileObj *Copy( RageFile &p ) const;
virtual CString GetDisplayPath() const { return path; }
};
@@ -395,53 +301,9 @@ RageFileObj *RageFileObjDirect::Copy( RageFile &p ) const
return ret;
}
#ifdef _WINDOWS
#include "windows.h"
#endif
bool RageFileDriverDirect::Ready()
{
#ifdef _WINDOWS
// Windows will throw up a message box if we try to write to a
// removable drive with no disk inserted. Find out whether there's a
// disk in the drive w/o writing a file.
// find drive letter
vector<CString> matches;
static Regex parse("^([A-Za-z]+):");
parse.Compare( root, matches );
if( matches.size() != 1 )
return false;
CString sDrive = matches[0];
TCHAR szVolumeNameBuffer[MAX_PATH];
DWORD dwVolumeSerialNumber;
DWORD dwMaximumComponentLength;
DWORD lpFileSystemFlags;
TCHAR szFileSystemNameBuffer[MAX_PATH];
BOOL bResult = GetVolumeInformation(
sDrive + ":\\",
szVolumeNameBuffer,
sizeof(szVolumeNameBuffer),
&dwVolumeSerialNumber,
&dwMaximumComponentLength,
&lpFileSystemFlags,
szFileSystemNameBuffer,
sizeof(szFileSystemNameBuffer) );
return !!bResult;
#else
// Try to create directory before writing a temp file.
CreateDirectories( root );
// Try to write a file.
const CString sFile = root + "temp";
int fd = DoOpen( sFile, O_WRONLY|O_CREAT|O_TRUNC );
if( fd == -1 )
return false;
close( fd );
remove( sFile );
return true;
#endif
return PathReady( root );
}
static const unsigned int BUFSIZE = 1024*64;
@@ -509,27 +371,9 @@ RageFileObjDirect::~RageFileObjDirect()
CString sOldPath = MakeTempFilename(path);
CString sNewPath = path;
#if defined(XBOX)
sOldPath.Replace( "/", "\\" );
sNewPath.Replace( "/", "\\" );
#endif
#if defined(WIN32)
/* Windows botches rename: it returns error if the file exists. In NT,
* we can use MoveFileEx( new, old, MOVEFILE_REPLACE_EXISTING ) (though I
* don't know if it has similar atomicity guarantees to rename). In
* 9x, we're screwed, so just delete any existing file (we aren't going
* to be robust on 9x anyway). */
if( WinMoveFile(sOldPath, sNewPath) )
return;
if( GetLastError() == ERROR_ACCESS_DENIED )
{
/* Try turning off the read-only bit on the file we're overwriting. */
SetFileAttributes( sNewPath, FILE_ATTRIBUTE_NORMAL );
if( WinMoveFile( sOldPath, sNewPath ) )
return;
}
/* We failed. */
int err = GetLastError();
@@ -613,17 +457,8 @@ int RageFileObjDirect::Seek( int offset )
return lseek( fd, offset, SEEK_SET );
}
int RageFileObjDirect::GetFileSize()
{
const int OldPos = lseek( fd, 0, SEEK_CUR );
const int ret = lseek( fd, 0, SEEK_END );
lseek( fd, OldPos, SEEK_SET );
return ret;
}
/*
* Copyright (c) 2003 by the person(s) listed below. All rights reserved.
* Glenn Maynard
* Chris Danford
*/