blob: 4a2138190e9f86adc73e2b8d3198dec3ff3e69ba [file] [log] [blame]
#include "src/impl.h"
#include "libplatform/impl.h" /* for platform_win32_impl.h which declares Utf8ToFilename */
#include <windows.h>
namespace mp4v2 {
using namespace impl;
}
namespace mp4v2 { namespace platform { namespace io {
///////////////////////////////////////////////////////////////////////////////
static DWORD getAttributes ( string path_ );
/**
* Call GetFileAttributesW throw exceptions for errors
*
* @param path_ the path to get attributes for
*
* @retval INVALID_FILE_ATTRIBUTES @p path_ doesn't exist
* @retval anything else the attributes of @p path_
*/
static DWORD
getAttributes ( string path_ )
{
win32::Utf8ToFilename filename(path_);
if (!filename.IsUTF16Valid())
{
// throw an exception to avoid changing the
// signature of this function and dealing with all
// the places it's called.
ostringstream msg;
msg << "can't convert file to UTF-16(" << filename.utf8 << ")";
throw new Exception(msg.str(),__FILE__,__LINE__,__FUNCTION__);
}
DWORD attributes = ::GetFileAttributesW(filename);
if( attributes == INVALID_FILE_ATTRIBUTES )
{
DWORD last_err = GetLastError();
// Distinguish between an error and the path not existing
if ((last_err == ERROR_FILE_NOT_FOUND) || (last_err == ERROR_PATH_NOT_FOUND))
{
return attributes;
}
// Anything else is an error
ostringstream msg;
msg << "GetFileAttributes(" << filename.utf8 << ") failed (" << last_err << ")";
throw new Exception(msg.str(),__FILE__,__LINE__,__FUNCTION__);
}
// path exists so return its attributes
return attributes;
}
bool
FileSystem::exists( string path_ )
{
return( getAttributes(path_) != INVALID_FILE_ATTRIBUTES );
}
///////////////////////////////////////////////////////////////////////////////
bool
FileSystem::isDirectory( string path_ )
{
DWORD attributes = getAttributes( path_ );
if( attributes == INVALID_FILE_ATTRIBUTES )
return false;
return ( ( attributes & FILE_ATTRIBUTE_DIRECTORY ) == FILE_ATTRIBUTE_DIRECTORY );
}
///////////////////////////////////////////////////////////////////////////////
bool
FileSystem::isFile( string path_ )
{
DWORD attributes = getAttributes( path_ );
if( attributes == INVALID_FILE_ATTRIBUTES )
return false;
return ( ( attributes & FILE_ATTRIBUTE_DIRECTORY ) != FILE_ATTRIBUTE_DIRECTORY );
}
///////////////////////////////////////////////////////////////////////////////
bool
FileSystem::getFileSize( string path_, File::Size& size_ )
{
win32::Utf8ToFilename filename(path_);
if (!filename.IsUTF16Valid())
{
// The logging is done
return true;
}
size_ = 0;
WIN32_FILE_ATTRIBUTE_DATA data = {0};
if( !GetFileAttributesExW( filename, GetFileExInfoStandard, (LPVOID)&data ) )
{
log.errorf("%s: GetFileAttributesExW(%s) failed (%d)",__FUNCTION__,filename.utf8.c_str(),
GetLastError());
return true;
}
size_ = ( (File::Size)data.nFileSizeHigh << 32 ) | data.nFileSizeLow;
return false;
}
///////////////////////////////////////////////////////////////////////////////
bool
FileSystem::rename( string from, string to )
{
win32::Utf8ToFilename from_file(from);
win32::Utf8ToFilename to_file(to);
if (!from_file.IsUTF16Valid() || !to_file.IsUTF16Valid())
{
return true;
}
if (!::MoveFileExW( from_file, to_file,
MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING | MOVEFILE_WRITE_THROUGH ) )
{
log.errorf("%s: MoveFileExW(%s,%s) failed (%d)",__FUNCTION__,from_file.utf8.c_str(),to_file.utf8.c_str(),
GetLastError());
return true;
}
return false;
}
///////////////////////////////////////////////////////////////////////////////
string FileSystem::DIR_SEPARATOR = "\\";
string FileSystem::PATH_SEPARATOR = ";";
///////////////////////////////////////////////////////////////////////////////
}}} // namespace mp4v2::platform::io