Class CsvReader

Namespace

Bonsai.IO

Assembly

Bonsai.System.dll

Represents an operator that generates a sequence of values for every line in a text file.

[WorkflowElementCategory(ElementCategory.Source)]
public class CsvReader : CombinatorExpressionBuilder, IPropertyMappingBuilder, IExpressionBuilder

Inheritance

object

ExpressionBuilder

VariableArgumentExpressionBuilder

CombinatorExpressionBuilder

CsvReader

Implements

IPropertyMappingBuilder

IExpressionBuilder

Inherited Members

CombinatorExpressionBuilder.Build(IEnumerable<Expression>)

VariableArgumentExpressionBuilder.ArgumentRange

VariableArgumentExpressionBuilder.SetArgumentRange(int, int)

ExpressionBuilder.ToString()

ExpressionBuilder.Unwrap(ExpressionBuilder)

ExpressionBuilder.GetWorkflowElement(ExpressionBuilder)

ExpressionBuilder.GetVisualizerElement(ExpressionBuilder)

ExpressionBuilder.GetVisualizerMappings(ExpressionBuilder)

ExpressionBuilder.FromWorkflowElement(object, ElementCategory)

ExpressionBuilder.GetElementDisplayName(Type)

ExpressionBuilder.GetElementDisplayName(object)

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

Extension Methods

ExpressionBuilderGraphExtensions.AsInspectBuilder(ExpressionBuilder)

ExpressionBuilderGraphExtensions.Build(ExpressionBuilder, params Expression[])

ExpressionBuilderGraphExtensions.IsBuildDependency(ExpressionBuilder)

Constructors

CsvReader()

Initializes a new instance of the CsvReader class.

public CsvReader()

Properties

FileName

Gets or sets the name of the CSV file.

[FileNameFilter("CSV (Comma delimited)|*.csv|All Files|*.*")]
public string FileName { get; set; }

Property Value

string

ListSeparator

Gets or sets the separator used to delimit elements in variable length rows. This argument is optional.

public string ListSeparator { get; set; }

Property Value

string

ScanPattern

Gets or sets the optional parse pattern for scanning individual lines. In case of variable length rows, the pattern will be applied to each individual element.

[TypeConverter("Bonsai.Expressions.ParseBuilder+PatternConverter, Bonsai.Core")]
public string ScanPattern { get; set; }

Property Value

string

SkipRows

Gets or sets the number of lines to skip at the start of the file.

public int SkipRows { get; set; }

Property Value

int

Methods

BuildCombinator(IEnumerable<Expression>)

When overridden in a derived class, generates an Expression node that will be combined with any existing property mappings to produce the final output of the expression builder.

protected override Expression BuildCombinator(IEnumerable<Expression> arguments)

Parameters

arguments IEnumerable<Expression>

A collection of Expression nodes that represents the input arguments.

Returns

Expression

An Expression tree node that represents the combinator output.