/// <summary>
/// A função correspondente à transição correspondente ao ponto interno aos delimitadores.
/// </summary>
/// <param name="reader">O leitor de símbolos.</param>
/// <returns>O próximo estado.</returns>
/// <exception cref="UtilitiesDataException">Se a leitura falhar no estado corrente.</exception>
private IState <SymbValue, SymbType> InsideDelimitersTransition(IObjectReader <ISymbol <SymbValue, SymbType> > reader)
{
var symbolsStack = new Stack <SymbType>();
var symbol = reader.Get();
symbolsStack.Push(symbol.SymbolType);
this.currentSymbolValues.Add(symbol);
while (symbolsStack.Count > 0)
{
var topValue = symbolsStack.Pop();
if (reader.IsAtEOF())
{
var dataParser = this.provider(
this.currentRowNumber,
this.currentColumnNumber);
var error = new LogStatus <string, EParseErrorLevel>();
var parsed = dataParser.Parse(this.currentSymbolValues.ToArray(), error);
if (error.HasLogs(EParseErrorLevel.ERROR))
{
throw new UtilitiesDataException(string.Format(
"Can't parse value from cell with coords ({0},{1}) with the provided parser.",
this.currentRowNumber,
this.currentRowNumber));
}
this.currentRow.Add(parsed);
this.dataAdder.Add(this.currentTable, this.currentRow);
return(this.states[1]);
}
else
{
symbol = reader.Get();
var close = this.delimiters[topValue];
if (close.Contains(symbol.SymbolType))
{
this.currentSymbolValues.Add(symbol);
}
else
{
if (!this.ignoreSymbolTypes.Contains(symbol.SymbolType))
{
this.currentSymbolValues.Add(symbol);
}
symbolsStack.Push(topValue);
if (this.delimiters.ContainsKey(symbol.SymbolType))
{
symbolsStack.Push(symbol.SymbolType);
}
}
}
}
reader.UnGet();
return(this.states[2]);
}
/// <summary>
/// A função correspondente à transição inicial.
/// </summary>
/// <param name="reader">O leitor de símbolos.</param>
/// <returns>O próximo estado.</returns>
/// <exception cref="UtilitiesDataException">Se a leitura falhar no estado corrente.</exception>
private IState <SymbValue, SymbType> StartTransition(IObjectReader <ISymbol <SymbValue, SymbType> > reader)
{
if (reader.IsAtEOF())
{
return(this.states[1]);
}
else
{
var symbol = reader.Get();
if (symbol.SymbolType.Equals(this.lineSeparator))
{
this.dataAdder.Add(this.currentTable, this.currentRow);
++this.currentRowNumber;
return(this.states[2]);
}
else if (symbol.SymbolType.Equals(this.columnSeparator))
{
var dataParser = this.provider(
this.currentRowNumber,
this.currentColumnNumber);
var error = new LogStatus <string, EParseErrorLevel>();
var parsed = dataParser.Parse(
this.currentSymbolValues.ToArray(), error);
if (error.HasLogs(EParseErrorLevel.ERROR))
{
throw new UtilitiesDataException(string.Format(
"Can't parse value from cell with coords ({0},{1}) with the provided parser.",
this.currentRowNumber,
this.currentRowNumber));
}
this.currentRow.Add(parsed);
++this.currentColumnNumber;
return(this.states[2]);
}
else if (this.delimiters.ContainsKey(symbol.SymbolType))
{
reader.UnGet();
return(this.states[3]);
}
else
{
if (!this.ignoreSymbolTypes.Contains(symbol.SymbolType))
{
this.currentSymbolValues.Add(symbol);
}
return(this.states[2]);
}
}
}