bool CCSVParser::ParseRow (TArray<CString> &Row, CString *retsError)
// ParseRow
//
// Parses a row
{
enum EStates
{
stateStart,
stateSingleQuote,
stateDoubleQuote,
stateInPlainValue,
stateEndOfValue,
stateCR,
stateLF,
};
Row.DeleteAll();
// Parse the BOM, if any
if (m_iFormat == formatUnknown)
m_iFormat = ParseBOM();
// Keep reading until we hit the end of the line.
EStates iState = stateStart;
CBuffer Value;
while (true)
{
switch (iState)
{
case stateStart:
{
switch (GetCurChar())
{
case '\0':
return true;
case ' ':
case '\t':
break;
case ',':
Row.Insert(NULL_STR);
break;
case '\r':
iState = stateCR;
break;
case '\n':
iState = stateLF;
break;
case '\'':
iState = stateSingleQuote;
break;
case '\"':
iState = stateDoubleQuote;
break;
default:
Value.WriteChar(GetCurChar());
iState = stateInPlainValue;
break;
}
break;
}
case stateSingleQuote:
{
switch (GetCurChar())
{
case '\0':
Row.Insert(CString(Value.GetPointer(), Value.GetLength()));
return true;
case '\'':
Row.Insert(CString(Value.GetPointer(), Value.GetLength()));
Value.SetLength(0);
iState = stateEndOfValue;
break;
default:
Value.WriteChar(GetCurChar());
break;
}
break;
}
case stateDoubleQuote:
{
switch (GetCurChar())
{
case '\0':
Row.Insert(CString(Value.GetPointer(), Value.GetLength()));
return true;
case '\"':
Row.Insert(CString(Value.GetPointer(), Value.GetLength()));
Value.SetLength(0);
iState = stateEndOfValue;
break;
default:
Value.WriteChar(GetCurChar());
break;
}
break;
}
case stateEndOfValue:
{
switch (GetCurChar())
{
case '\0':
return true;
case ' ':
case '\t':
break;
case ',':
iState = stateStart;
break;
case '\r':
iState = stateCR;
break;
case '\n':
iState = stateLF;
break;
default:
break;
}
break;
}
case stateInPlainValue:
{
switch (GetCurChar())
{
case '\0':
Row.Insert(CString(Value.GetPointer(), Value.GetLength()));
return true;
case ',':
Row.Insert(CString(Value.GetPointer(), Value.GetLength()));
Value.SetLength(0);
iState = stateStart;
break;
case '\r':
Row.Insert(CString(Value.GetPointer(), Value.GetLength()));
Value.SetLength(0);
iState = stateCR;
break;
case '\n':
Row.Insert(CString(Value.GetPointer(), Value.GetLength()));
Value.SetLength(0);
iState = stateLF;
break;
default:
Value.WriteChar(GetCurChar());
break;
}
break;
}
case stateCR:
{
switch (GetCurChar())
{
case '\0':
return true;
case '\n':
GetNextChar();
return true;
default:
break;
}
break;
}
case stateLF:
{
switch (GetCurChar())
{
case '\0':
return true;
case '\r':
GetNextChar();
return true;
default:
return true;
}
break;
}
}
GetNextChar();
}
}
