/// <summary>
/// Deserializes a potentially endless sequence of objects from a stream source
/// </summary>
/// <param name="input">a streamed source of objects</param>
/// <returns>a sequence of objects</returns>
/// <remarks>
/// character stream => token stream => object stream
/// </remarks>
public IEnumerable ReadMany(TextReader input)
{
ITextTokenizer <T> tokenizer = this.GetTokenizer();
if (tokenizer == null)
{
throw new ArgumentNullException("tokenizer");
}
ITokenAnalyzer <T> analyzer = this.GetAnalyzer();
if (analyzer == null)
{
throw new ArgumentNullException("analyzer");
}
try
{
// chars stream => token stream => object stream
return(analyzer.Analyze(tokenizer.GetTokens(input)));
}
catch (DeserializationException)
{
throw;
}
catch (Exception ex)
{
throw new DeserializationException(ex.Message, tokenizer.Index, tokenizer.Line, tokenizer.Column, ex);
}
}
private object ReadSingle(ITextTokenizer <T> tokenizer, IEnumerable <Token <T> > tokens, Type targetType)
{
ITokenAnalyzer <T> analyzer = this.GetAnalyzer();
if (analyzer == null)
{
throw new ArgumentNullException("analyzer");
}
try
{
IEnumerator enumerator = analyzer.Analyze(tokens, targetType).GetEnumerator();
if (!enumerator.MoveNext())
{
return(null);
}
// character stream => token stream => object stream
object value = enumerator.Current;
// enforce only one object in stream
if (!this.Settings.AllowTrailingContent && enumerator.MoveNext())
{
throw new DeserializationException("Invalid trailing content", tokenizer.Index, tokenizer.Line, tokenizer.Column);
}
return(value);
}
catch (DeserializationException)
{
throw;
}
catch (Exception ex)
{
throw new DeserializationException(ex.Message, tokenizer.Index, tokenizer.Line, tokenizer.Column, ex);
}
}
public TokenModel?AnalyzeToken(
[Service] ITokenAnalyzer analyzer,
string token)
{
return(analyzer.Analyze(token));
}