Class BiffContinueRecordRaw

BifRecords container.

Inheritance
System.Object
Syncfusion.XlsIO.Parser.Biff_Records.BiffRecordRaw
BiffRecordRawWithArray
BiffContinueRecordRaw
BitmapRecord
ChartGelFrameRecord
MSODrawingGroupRecord
Implements
System.ICloneable
System.IDisposable
Inherited Members
Namespace: Syncfusion.XlsIO.Parser.Biff_Records
Assembly: Syncfusion.XlsIO.UWP.dll
Syntax
public abstract class BiffContinueRecordRaw : BiffRecordRawWithArray, ICloneable, IBiffStorage, IDisposable

Constructors

BiffContinueRecordRaw()

Default constructor fills all data with default values.

Declaration
protected BiffContinueRecordRaw()

BiffContinueRecordRaw(Int32)

Reserved for record's internal data array iReserve bytes.

Declaration
protected BiffContinueRecordRaw(int iReserve)
Parameters
Type Name Description
System.Int32 iReserve

Amount of bytes for data array.
Exceptions
Type Condition
System.ArgumentOutOfRangeException

If amount of bytes requested is less than zero.

BiffContinueRecordRaw(Stream, out Int32)

Read / Initialize constructor.

Declaration
protected BiffContinueRecordRaw(Stream stream, out int itemSize)
Parameters
Type Name Description
System.IO.Stream stream

Stream from which record data should be read.
System.Int32 itemSize

Size of read item.
Exceptions
Type Condition
System.ArgumentNullException

If stream is not specified.
System.ApplicationException

If stream does not support read or seek operations.

Fields

m_arrContinuePos

Array that contains positions of data of the continue records in the m_data array.

Declaration
protected List<int> m_arrContinuePos
Field Value
Type
System.Collections.Generic.List<System.Int32>

m_extractor

Declaration
protected ContinueRecordExtractor m_extractor
Field Value
Type
ContinueRecordExtractor

Properties

Builder

Declaration
protected ContinueRecordBuilder Builder { get; }
Property Value
Type
Syncfusion.XlsIO.Parser.Biff_Records.ContinueRecordBuilder

Methods

AddContinueRecordType(TBIFFRecord)

Declaration
protected void AddContinueRecordType(TBIFFRecord recordType)
Parameters
Type Name Description
TBIFFRecord recordType

AddRecordData(List<Byte[]>, BiffRecordRaw)

Adds record data from single record to the List.

Declaration
protected virtual int AddRecordData(List<byte[]> arrRecords, BiffRecordRaw record)
Parameters
Type Name Description
System.Collections.Generic.List<System.Byte[]> arrRecords

List to add data to.
Syncfusion.XlsIO.Parser.Biff_Records.BiffRecordRaw record

Record to add data from.
Returns
Type Description
System.Int32

Size of the added data.

builder_OnFirstContinue(Object, EventArgs)

OnFirstContinue event handler.

Declaration
protected virtual void builder_OnFirstContinue(object sender, EventArgs e)
Parameters
Type Name Description
System.Object sender

Event sender.
System.EventArgs e

Event arguments.

Clone()

Creates copy of the current object.

Declaration
public override object Clone()
Returns
Type Description
System.Object

A copy of the current object.
Overrides
Syncfusion.XlsIO.Parser.Biff_Records.BiffRecordRaw.Clone()

CollectRecordsData(out Int32, ref Int32)

Returns List with byte arrays with continue record's data.

Declaration
protected List<byte[]> CollectRecordsData(out int iFullLength, ref int iLastPos)
Parameters
Type Name Description
System.Int32 iFullLength

Full length of the additional data.
System.Int32 iLastPos

Last position in the stream.
Returns
Type Description
System.Collections.Generic.List<System.Byte[]>

List with byte arrays with continue record's data.

CreateBuilder()

Creates continue record builder.

Declaration
protected virtual ContinueRecordBuilder CreateBuilder()
Returns
Type Description
Syncfusion.XlsIO.Parser.Biff_Records.ContinueRecordBuilder

Created builder.

ExtractContinueRecords()

Extracts all continue records from the stream if needed and updates internal data array.

Declaration
protected virtual bool ExtractContinueRecords()
Returns
Type Description
System.Boolean

True if there was extracted any continue record.

FillRecord(BinaryReader, DataProvider, IDecryptor, Byte[])

Read from stream record data.

Declaration
public override int FillRecord(BinaryReader reader, DataProvider provider, IDecryptor decryptor, byte[] arrBuffer)
Parameters
Type Name Description
System.IO.BinaryReader reader

Stream with record data.
DataProvider provider

Object that provides access to the data.
IDecryptor decryptor

Object that should be used to parse encrypted records.
System.Byte[] arrBuffer

Temporary buffer needed for some operations.
Returns
Type Description
System.Int32

Size of the record data.
Overrides
Syncfusion.XlsIO.Parser.Biff_Records.BiffRecordRaw.FillRecord(System.IO.BinaryReader, Syncfusion.XlsIO.Parser.Biff_Records.DataProvider, Syncfusion.XlsIO.Implementation.Security.IDecryptor, System.Byte[])
Exceptions
Type Condition
System.ArgumentNullException

If reader is NULL.
System.ApplicationException

If stream is not big enough for data (end of stream reached and all data were not read).
System.ApplicationException

If record code is zero.

FillStream(BinaryWriter, IEncryptor, Int32)

Save record data to stream.

Declaration
public override int FillStream(BinaryWriter writer, IEncryptor encryptor, int streamPosition)
Parameters
Type Name Description
System.IO.BinaryWriter writer

Writer that will receive record data.
IEncryptor encryptor

Object to encrypt data.
System.Int32 streamPosition

Position in the output stream, used to reduce Flush calls of the writer.BaseStream.
Returns
Type Description
System.Int32

Size of the record in the stream.
Overrides
Exceptions
Type Condition
System.ArgumentNullException

If writer is NULL.
System.ApplicationException

If m_iLength of internal record data array is less than zero.

ParseStructure()

This method constitutes the main part of parsing with continue records. For inheritors this method must be called to get Continue records which is placed after this record in the input stream.

Declaration
public override void ParseStructure()
Overrides

Implements

System.ICloneable
System.IDisposable

Extension Methods