bool QFileStream::_OpenPlatformImplementation(const QPath &filePath, const EQFileOpenMode &eOpenMode, const bool bIsWritingAllowed, QFileStream::NativeHandle &handle, EQFileSystemError &eErrorInfo)
{
bool bSuccess = true;
using Kinesis::QuimeraEngine::Common::DataTypes::QArrayResult;
using Kinesis::QuimeraEngine::Common::DataTypes::i8_q;
using Kinesis::QuimeraEngine::Common::DataTypes::EQTextEncoding;
QArrayResult<i8_q> szPath = filePath.ToString().ToBytes(EQTextEncoding::E_UTF8);
int nAccess = bIsWritingAllowed ? O_RDWR:
O_RDONLY;
int nPermissions = S_IRWXU; // Read, write and execution permissions for the owner
int nOpenMode = 0;
switch(eOpenMode)
{
case EQFileOpenMode::E_Append:
case EQFileOpenMode::E_Open:
nOpenMode = 0;
break;
case EQFileOpenMode::E_Create:
nOpenMode = O_CREAT | O_EXCL;
break;
case EQFileOpenMode::E_CreateOrOverwrite:
nOpenMode = O_CREAT | O_TRUNC;
break;
case EQFileOpenMode::E_OpenOrCreate:
nOpenMode = O_CREAT;
break;
default:
break;
}
handle = open(szPath.Get(), nAccess | nOpenMode, nPermissions);
const bool FILE_OPENED_SUCCESSFULLY = handle >= 0;
if(!FILE_OPENED_SUCCESSFULLY)
{
bSuccess = false;
error_t lastError = errno;
QE_ASSERT_ERROR(handle >= 0, string_q("An unexpected error occurred when opening the file \"") + filePath.GetAbsolutePath() + "\". The error code was: " + string_q::FromInteger(lastError) + ".");
if(lastError == EACCES)
eErrorInfo = EQFileSystemError::E_NoPermissions;
else
eErrorInfo = EQFileSystemError::E_Unknown;
}
return bSuccess;
}
bool QFileStream::_OpenPlatformImplementation(const QPath &filePath, const EQFileOpenMode &eOpenMode, const bool bIsWritingAllowed, QFileStream::NativeHandle &handle, EQFileSystemError &eErrorInfo)
{
bool bSuccess = true;
using Kinesis::QuimeraEngine::Common::DataTypes::QArrayResult;
using Kinesis::QuimeraEngine::Common::DataTypes::i8_q;
QArrayResult<i8_q> arPath = filePath.ToString().ToBytes(string_q::GetLocalEncodingUTF16());
const wchar_t* szPath = rcast_q(arPath.Get(), wchar_t*);
DWORD uAccess = bIsWritingAllowed ? GENERIC_READ | GENERIC_WRITE :
GENERIC_READ;
DWORD uOpenMode = 0;
switch(eOpenMode)
{
case EQFileOpenMode::E_Append:
case EQFileOpenMode::E_Open:
uOpenMode = OPEN_EXISTING;
break;
case EQFileOpenMode::E_Create:
uOpenMode = CREATE_NEW;
break;
case EQFileOpenMode::E_CreateOrOverwrite:
uOpenMode = CREATE_ALWAYS;
break;
case EQFileOpenMode::E_OpenOrCreate:
uOpenMode = OPEN_ALWAYS;
break;
default:
break;
}
handle = ::CreateFileW(szPath, uAccess, FILE_SHARE_READ, NULL, uOpenMode, FILE_FLAG_RANDOM_ACCESS, NULL);
const bool FILE_OPENED_SUCCESSFULLY = handle != INVALID_HANDLE_VALUE;
if(!FILE_OPENED_SUCCESSFULLY)
{
bSuccess = false;
DWORD uCreateFileWLastError = ::GetLastError();
QE_ASSERT_ERROR(handle != INVALID_HANDLE_VALUE, string_q("An unexpected error occurred when opening the file \"") + filePath.GetAbsolutePath() + "\". The error code was: " + string_q::FromInteger(uCreateFileWLastError) + ".");
if(uCreateFileWLastError == ERROR_ACCESS_DENIED)
eErrorInfo = EQFileSystemError::E_NoPermissions;
else
eErrorInfo = EQFileSystemError::E_Unknown;
}
return bSuccess;
}