/// <summary>
/// Initializes a new instance of <see cref="ImmutableLayoutDescriptor{TFieldSettings}"/> by copying another
/// <see cref="ILayoutDescriptor{TFieldSettings}"/>.
/// </summary>
/// <param name="existing">The descriptor to copy.</param>
protected ImmutableLayoutDescriptor(ILayoutDescriptor <TFieldSettings> existing)
{
TargetType = existing.TargetType;
Fields = existing.Fields.ToList();
HasHeader = existing.HasHeader;
InstanceFactory = existing.InstanceFactory;
}
/// <summary>
/// Initializes a new instance of the <see cref="FixedLengthFileEngine"/> class.
/// </summary>
/// <param name="layoutDescriptor">The layout descriptor.</param>
/// <param name="lineBuilderFactory">The line builder factory.</param>
/// <param name="lineParserFactory">The line parser factory.</param>
/// <param name="handleEntryReadError">The handle entry read error.</param>
internal FixedLengthFileEngine(
ILayoutDescriptor <IFixedFieldSettingsContainer> layoutDescriptor,
IFixedLengthLineBuilderFactory lineBuilderFactory,
IFixedLengthLineParserFactory lineParserFactory,
Func <string, Exception, bool> handleEntryReadError = null) : base(handleEntryReadError)
{
this.lineBuilderFactory = lineBuilderFactory;
this.lineParserFactory = lineParserFactory;
this.layoutDescriptor = layoutDescriptor;
}
/// <summary>
/// Gets the <see cref="IFlatFileEngine" />.
/// </summary>
/// <param name="descriptor">The descriptor.</param>
/// <param name="handleEntryReadError">The handle entry read error func.</param>
/// <returns>IFlatFileEngine.</returns>
public IFlatFileEngine GetEngine(
ILayoutDescriptor <IFixedFieldSettingsContainer> descriptor,
Func <string, Exception, bool> handleEntryReadError = null)
{
return(new FixedLengthFileEngine(
descriptor,
new FixedLengthLineBuilderFactory(),
lineParserFactory,
handleEntryReadError));
}
/// <summary>
/// Gets the parser.
/// </summary>
/// <param name="descriptor">The descriptor.</param>
/// <returns>IFixedLengthLineParser.</returns>
public IFixedLengthLineParser GetParser(ILayoutDescriptor <IFixedFieldSettingsContainer> descriptor)
{
if (descriptor == null)
{
throw new ArgumentNullException("descriptor");
}
return(descriptor.TargetType != null && lineParserRegistry.ContainsKey(descriptor.TargetType)
? (IFixedLengthLineParser)ReflectionHelper.CreateInstance(lineParserRegistry[descriptor.TargetType], true, descriptor)
: new FixedLengthLineParser(descriptor));
}
/// <summary>
/// Internal private file responsible to read records of historic quotes from stream
/// </summary>
/// <param name="streamToRead">Stream to read records from</param>
/// <returns>
/// All historic quotes found in the stream
/// </returns>
private B3HistoricMarketDataContentInfo ReadStream(Stream streamToRead)
{
B3HistoricMarketDataContentInfo resultado = null;
//
var factory = new FixedLengthFileEngineFactory();
// If using attribute mapping, pass an array of record types
// rather than layout instances
var layouts = new ILayoutDescriptor <IFixedFieldSettingsContainer>[]
{
new B3COTAHISTHeaderLayout()
, new B3COTAHISTHistoricoLayout()
, new B3COTAHISTTrailerLayout()
};
var flatFile = factory.GetEngine(layouts,
(line, lineNumber) =>
{
// For each line, return the proper record type.
// The mapping for this line will be loaded based on that type.
// In this simple example, the first character determines the
// record type.
if (string.IsNullOrEmpty(line) || line.Length < 1)
{
return(null);
}
switch (line.Substring(0, 2))
{
case "00":
return(typeof(B3HistoricMarketDataHeaderInfo));
case "01":
return(typeof(B3HistoricMarketDataInfo));
case "99":
return(typeof(B3HistoricMarketDataTrailerInfo));
}
return(null);
});
flatFile.Read(streamToRead);
resultado = new B3HistoricMarketDataContentInfo();
resultado.Header = flatFile.GetRecords <B3HistoricMarketDataHeaderInfo>().FirstOrDefault();
resultado.Records = flatFile.GetRecords <B3HistoricMarketDataInfo>().ToList();
resultado.Trailer = flatFile.GetRecords <B3HistoricMarketDataTrailerInfo>().FirstOrDefault();
return(resultado);
}
/// <summary>
/// Gets the parser.
/// </summary>
/// <param name="descriptor">The descriptor.</param>
/// <returns>IFixedLengthLineParser.</returns>
public IDelimitedLineParser GetParser(ILayoutDescriptor <IDelimitedFieldSettingsContainer> descriptor)
{
if (descriptor == null)
{
throw new ArgumentNullException("descriptor");
}
if (!(descriptor is IDelimitedLayoutDescriptor))
{
throw new ArgumentException("descriptor must be IDelimitedLayoutDescriptor");
}
return(descriptor.TargetType != null && lineParserRegistry.ContainsKey(descriptor.TargetType)
? (IDelimitedLineParser)ReflectionHelper.CreateInstance(lineParserRegistry[descriptor.TargetType], true, descriptor)
: new DelimitedLineParser((IDelimitedLayoutDescriptor)descriptor));
}
public LayoutParser()
{
this.Encoding = Encoding.Default;
var factory = new FixedLengthFileEngineFactory();
var layouts = new ILayoutDescriptor <IFixedFieldSettingsContainer>[] {
new T0HeaderLayout(),
new T1ResumoLayout(),
new T2EnderecoLayout(),
new T3BilheteLayout(),
new T4ServicoLayout(),
new T5DescontoLayout(),
new T9TrailerLayout(),
};
this.reader = (FixedLengthFileMultiEngine)factory.GetEngine(layouts, ChooseLayout); // while Read(StreamWriter) is not exposed in the interface
}
/// <summary>
/// Registers the line parser <typeparamref name="TParser" /> for lines matching <paramref name="targetLayout" />.
/// </summary>
/// <typeparam name="TParser">The type of the t parser.</typeparam>
/// <param name="targetLayout">The target layout.</param>
/// <exception cref="System.NotImplementedException"></exception>
public void RegisterLineParser <TParser>(ILayoutDescriptor <IFieldSettings> targetLayout) where TParser : IFixedLengthLineParser
{
lineParserFactory.RegisterLineParser <TParser>(targetLayout);
}
/// <summary>
/// Registers the line parser <typeparamref name="TParser" /> for lines matching <paramref name="targetLayout" />.
/// </summary>
/// <typeparam name="TParser">The type of the t parser.</typeparam>
/// <param name="targetLayout">The target layout.</param>
public void RegisterLineParser <TParser>(ILayoutDescriptor <IFieldSettings> targetLayout) where TParser : IDelimitedLineParser
{
_parserRegistry[targetLayout.TargetType] = typeof(TParser);
}
public FixedLengthLineBuilder(ILayoutDescriptor <IFixedFieldSettingsContainer> descriptor)
: base(descriptor)
{
}
public FixedLengthLineParser(ILayoutDescriptor <IFixedFieldSettingsContainer> layout)
: base(layout)
{
}
public IFixedLengthLineBuilder GetBuilder(ILayoutDescriptor<IFixedFieldSettingsContainer> descriptor)
{
return new FixedLengthLineBuilder(descriptor);
}
public IFixedLengthLineBuilder GetBuilder(ILayoutDescriptor <IFixedFieldSettingsContainer> descriptor)
{
return(new FixedLengthLineBuilder(descriptor));
}