/// <summary>
/// Attempts to read the next record from the stream.
/// </summary>
/// <returns>True if the next record was read or false if all records have been read.</returns>
public bool Read()
{
if (isDisposed)
{
throw new ObjectDisposedException("FixedLengthParser");
}
if (hasError)
{
throw new InvalidOperationException(Resources.ReadingWithErrors);
}
if (reader.EndOfStream)
{
endOfFile = true;
values = null;
return(false);
}
string[] rawValues = readNextRecord();
recordCount += 1;
if (schema == null)
{
values = rawValues;
}
else if (rawValues.Length != schema.ColumnDefinitions.Count)
{
hasError = true;
throw new FlatFileException(recordCount);
}
else
{
values = schema.ParseValues(rawValues);
}
return(true);
}
/// <summary>
/// Attempts to read the next record from the stream.
/// </summary>
/// <returns>True if the next record was read or false if all records have been read.</returns>
public bool Read()
{
if (hasError)
{
throw new InvalidOperationException(SharedResources.ReadingWithErrors);
}
if (parser.EndOfStream)
{
endOfFile = true;
values = null;
return(false);
}
string[] rawValues = readNextRecord();
++recordCount;
if (schema == null)
{
values = rawValues;
}
else if (rawValues.Length < schema.ColumnDefinitions.HandledCount)
{
hasError = true;
throw new FlatFileException(SharedResources.SeparatedValueRecordWrongNumberOfColumns, recordCount);
}
else
{
values = schema.ParseValues(rawValues);
}
return(true);
}
private object[] parseValues(string[] rawValues)
{
if (schema == null)
{
return(rawValues);
}
try
{
return(schema.ParseValues(rawValues));
}
catch (FlatFileException exception)
{
processError(new RecordProcessingException(recordCount, SharedResources.InvalidRecordConversion, exception));
return(null);
}
}
private object[] parseValues(SeparatedValueSchema schema, string[] rawValues)
{
if (schema == null)
{
return(rawValues);
}
try
{
var metadata = schemaSelector == null ? this.metadata : new Metadata()
{
Schema = schema,
Options = this.metadata.Options,
RecordCount = this.metadata.RecordCount,
LogicalRecordCount = this.metadata.LogicalRecordCount
};
return(schema.ParseValues(metadata, rawValues));
}
catch (FlatFileException exception)
{
processError(new RecordProcessingException(metadata.RecordCount, Resources.InvalidRecordConversion, exception));
return(null);
}
}
/// <summary>
/// Parses the given values assuming that they are in the same order as the column definitions.
/// </summary>
/// <param name="values">The values to parse.</param>
/// <returns>The parsed objects.</returns>
internal object[] ParseValues(string[] values)
{
return(schema.ParseValues(values));
}
