// -----------------------------------------------------------------------------
// CDirectoryDesc::Read : Reading from a Directory
// -----------------------------------------------------------------------------
void CDirectoryDesc::Read(TDes8& aDesc, TRequestStatus& aStatus)
{
TInt errorNum = KErrNone;
const TInt16 KDirentSize = 8;
TInt readLen = aDesc.MaxLength();
TUint8* bufPtr = const_cast<TUint8*>(aDesc.Ptr());
TInt copiedInfo = 0;
TEntryArray entries;
errorNum = iDir.Read( entries );
TDirent direntEntry;
if (errorNum == KErrNone || errorNum == KErrEof)
{
errorNum = KErrNone;
TEntry entry;
TInt len = 0;
TInt count = entries.Count();
TBuf8<KMaxFileName> fileName;
TInt index = 0;
TInt copyLen = 0;
//Loop through each entry and get all the informations
for (; index<count && copiedInfo<readLen; index++, copiedInfo += copyLen)
{
entry = entries[index];
//Copy File's UID
TUid fileUID = entry.iType.MostDerived();
direntEntry.iEntryNum = fileUID.iUid;
HBufC8 *name;
if(ConvertUnicodeToUtf8(entry.iName,name,errorNum) == -1)
{
break;
}
//Copy entry type and record Length
fileName.Copy( name->Des() );
delete name;
len = fileName.Length();
direntEntry.iRecLen = KDirentSize + len + 1;
//Maintaing a four byte boundary.
direntEntry.iRecLen = Align4(direntEntry.iRecLen);
direntEntry.iEntryType = 0;
direntEntry.iNameLen = len;
//Copy entry name
Mem::Copy( direntEntry.iEntryName, fileName.PtrZ(), len+1);
//Copy structure on to the buffer
copyLen = Min(direntEntry.iRecLen, (readLen - copiedInfo));
Mem::Copy( bufPtr, &direntEntry, copyLen );
bufPtr += copyLen;
}
}
//Set the Length
aDesc.SetLength( copiedInfo );
TRequestStatus* status = &aStatus;
User::RequestComplete(status, errorNum);
}
std::string ConvertUnicodeToAscii(const wchar_t* unicodeString)
{
if (unicodeString == 0)
return "";
std::string result = ConvertUnicodeToUtf8(unicodeString);
#ifdef _DEBUG
for (std::string::size_type i = 0; i < result.size(); ++i)
{
assert( IsAsciiCharacter( result[i] ) );
}
#endif
return result;
}
CMString::operator const CHAR*()
{
if(m_cdata)
{
delete []m_cdata;
m_cdata = NULL;
}
if(m_sData)
{
INT32 len = GetLength();
m_cdata = new CHAR[len*3+1];
ASSERT(m_cdata!=NULL);
memset(m_cdata,0,len*3+1);
ConvertUnicodeToUtf8(m_sData,m_cdata,len*3+1);
}
if(!m_cdata)
{
m_cdata = new CHAR[1];
m_cdata[0] = '\0';
}
return (const CHAR*)m_cdata;
}
