Class XmlSpecsHelper

Static Helper Class which contains a set of Functions which model Name and Character validations as laid out in the W3C XML and XML Namespaces specification.

Inheritance

System.Object

XmlSpecsHelper

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: VDS.RDF.Parsing

Assembly: dotNetRDF.dll

Syntax

public static class XmlSpecsHelper

Remarks

These are needed in the XML/RDF Parser Also contains the Date Time format string used to format .Net's DateTime type into a String whose format conforms to the XML Schema Datatypes specification.

Fields

NamespaceXml

Namespace for XML.

Declaration

public const string NamespaceXml = "http://www.w3.org/XML/1998/namespace"

Field Value

Type	Description
System.String

NamespaceXmlNamespaces

Namespace for XML Namespaces.

Declaration

public const string NamespaceXmlNamespaces = "http://www.w3.org/2000/xmlns/"

Field Value

Type	Description
System.String

NamespaceXmlSchema

Namespace for XML Schema.

Declaration

public const string NamespaceXmlSchema = "http://www.w3.org/2001/XMLSchema#"

Field Value

Type	Description
System.String

SupportedTypes

Array of Constants for Data Types that are supported by the Literal Node CompareTo method.

Declaration

public static string[] SupportedTypes

Field Value

Type	Description
System.String[]

XmlSchemaDataTypeAnyUri

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeAnyUri = "http://www.w3.org/2001/XMLSchema#anyURI"

Field Value

Type	Description
System.String

XmlSchemaDataTypeBase64Binary

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeBase64Binary = "http://www.w3.org/2001/XMLSchema#base64Binary"

Field Value

Type	Description
System.String

XmlSchemaDataTypeBoolean

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeBoolean = "http://www.w3.org/2001/XMLSchema#boolean"

Field Value

Type	Description
System.String

XmlSchemaDataTypeByte

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeByte = "http://www.w3.org/2001/XMLSchema#byte"

Field Value

Type	Description
System.String

XmlSchemaDataTypeDate

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeDate = "http://www.w3.org/2001/XMLSchema#date"

Field Value

Type	Description
System.String

XmlSchemaDataTypeDateTime

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeDateTime = "http://www.w3.org/2001/XMLSchema#dateTime"

Field Value

Type	Description
System.String

XmlSchemaDataTypeDayTimeDuration

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeDayTimeDuration = "http://www.w3.org/2001/XMLSchema#dayTimeDuration"

Field Value

Type	Description
System.String

XmlSchemaDataTypeDecimal

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeDecimal = "http://www.w3.org/2001/XMLSchema#decimal"

Field Value

Type	Description
System.String

XmlSchemaDataTypeDouble

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeDouble = "http://www.w3.org/2001/XMLSchema#double"

Field Value

Type	Description
System.String

XmlSchemaDataTypeDuration

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeDuration = "http://www.w3.org/2001/XMLSchema#duration"

Field Value

Type	Description
System.String

XmlSchemaDataTypeFloat

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeFloat = "http://www.w3.org/2001/XMLSchema#float"

Field Value

Type	Description
System.String

XmlSchemaDataTypeHexBinary

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeHexBinary = "http://www.w3.org/2001/XMLSchema#hexBinary"

Field Value

Type	Description
System.String

XmlSchemaDataTypeInt

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeInt = "http://www.w3.org/2001/XMLSchema#int"

Field Value

Type	Description
System.String

XmlSchemaDataTypeInteger

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeInteger = "http://www.w3.org/2001/XMLSchema#integer"

Field Value

Type	Description
System.String

XmlSchemaDataTypeLong

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeLong = "http://www.w3.org/2001/XMLSchema#long"

Field Value

Type	Description
System.String

XmlSchemaDataTypeNegativeInteger

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeNegativeInteger = "http://www.w3.org/2001/XMLSchema#negativeInteger"

Field Value

Type	Description
System.String

XmlSchemaDataTypeNonNegativeInteger

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeNonNegativeInteger = "http://www.w3.org/2001/XMLSchema#nonNegativeInteger"

Field Value

Type	Description
System.String

XmlSchemaDataTypeNonPositiveInteger

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeNonPositiveInteger = "http://www.w3.org/2001/XMLSchema#nonPositiveInteger"

Field Value

Type	Description
System.String

XmlSchemaDataTypePositiveInteger

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypePositiveInteger = "http://www.w3.org/2001/XMLSchema#positiveInteger"

Field Value

Type	Description
System.String

XmlSchemaDataTypeShort

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeShort = "http://www.w3.org/2001/XMLSchema#short"

Field Value

Type	Description
System.String

XmlSchemaDataTypeString

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeString = "http://www.w3.org/2001/XMLSchema#string"

Field Value

Type	Description
System.String

XmlSchemaDataTypeTime

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeTime = "http://www.w3.org/2001/XMLSchema#time"

Field Value

Type	Description
System.String

XmlSchemaDataTypeUnsignedByte

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeUnsignedByte = "http://www.w3.org/2001/XMLSchema#unsignedByte"

Field Value

Type	Description
System.String

XmlSchemaDataTypeUnsignedInt

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeUnsignedInt = "http://www.w3.org/2001/XMLSchema#unsignedInt"

Field Value

Type	Description
System.String

XmlSchemaDataTypeUnsignedLong

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeUnsignedLong = "http://www.w3.org/2001/XMLSchema#unsignedLong"

Field Value

Type	Description
System.String

XmlSchemaDataTypeUnsignedShort

Data Type Uri Constants for XML Schema Data Types.

Declaration

public const string XmlSchemaDataTypeUnsignedShort = "http://www.w3.org/2001/XMLSchema#unsignedShort"

Field Value

Type	Description
System.String

XmlSchemaDateFormat

Date Time Formatting string which meets the specified format for xsd:date.

Declaration

public const string XmlSchemaDateFormat = "yyyy-MM-ddK"

Field Value

Type	Description
System.String

Remarks

Use with the System.DateTime.ToString method to format a DateTime into appropriate string format.

XmlSchemaDateTimeFormat

Date Time Formatting string which meets the specified format for xsd:dateTime.

Declaration

public const string XmlSchemaDateTimeFormat = "yyyy-MM-dd\\THH:mm:ss.ffffffK"

Field Value

Type	Description
System.String

Remarks

Use with the System.DateTime.ToString method to format a DateTime into appropriate string format.

XmlSchemaDateTimeFormatImprecise

Date Time Formatting string which meets the specified format for xsd:dateTime, this formatting string is imprecise in the sense that it does not preserve the fractional seconds.

Declaration

public const string XmlSchemaDateTimeFormatImprecise = "yyyy-MM-dd\\THH:mm:ssK"

Field Value

Type	Description
System.String

Remarks

Use with the System.DateTime.ToString method to format a DateTime into appropriate string format.

XmlSchemaTimeFormat

Date Time Formatting string which meets the the specified format for xsd:time.

Declaration

public const string XmlSchemaTimeFormat = "HH:mm:ss.ffffffK"

Field Value

Type	Description
System.String

Remarks

Use with the System.DateTime.ToString method to format a DateTime into appropriate string format.

XmlSchemaTimeFormatImprecise

Date Time Formatting string which meets the the specified format for xsd:time, this formatting string is imprecise in the sense that it does not preserve the fractional seconds.

Declaration

public const string XmlSchemaTimeFormatImprecise = "HH:mm:ssK"

Field Value

Type	Description
System.String

Remarks

Use with the System.DateTime.ToString method to format a DateTime into appropriate string format.

Methods

GetCompatibleSupportedDataType(String, String)

Gets the Compatible Supported Data Type for the two Data Types.

Declaration

public static string GetCompatibleSupportedDataType(string type1, string type2)

Parameters

Type	Name	Description
System.String	type1	A Data Type.
System.String	type2	A Data Type.

Returns

Type	Description
System.String

Remarks

Currently this is only immplemented sufficiently for the types it needs to know are compatible for implementing SPARQL equality and ordering semantics.

GetCompatibleSupportedDataType(String, String, Boolean)

Gets the Compatible Supported Data Type for the two Data Types.

Declaration

public static string GetCompatibleSupportedDataType(string type1, string type2, bool widen)

Parameters

Type	Name	Description
System.String	type1	A Data Type.
System.String	type2	A Data Type.
System.Boolean	widen	Whether the compatible type should be the wider type.

Returns

Type	Description
System.String

Remarks

Currently this is only immplemented sufficiently for the types it needs to know are compatible for implementing SPARQL equality and ordering semantics.

GetCompatibleSupportedDataType(INode, INode)

Gets the Compatible Supported Data Type assuming the two Nodes are Literals with support types and that those types are compatible.

Declaration

public static string GetCompatibleSupportedDataType(INode x, INode y)

Parameters

Type	Name	Description
INode	x	A Node.
INode	y	A Node.

Returns

Type	Description
System.String

Remarks

Currently this is only immplemented sufficiently for the types it needs to know are compatible for implementing SPARQL equality and ordering semantics.

GetCompatibleSupportedDataType(INode, INode, Boolean)

Gets the Compatible Supported Data Type assuming the two Nodes are Literals with support types and that those types are compatible.

Declaration

public static string GetCompatibleSupportedDataType(INode x, INode y, bool widen)

Parameters

Type	Name	Description
INode	x	A Node.
INode	y	A Node.
System.Boolean	widen	Whether the compatible type should be the wider type.

Returns

Type	Description
System.String

Remarks

Currently this is only immplemented sufficiently for the types it needs to know are compatible for implementing SPARQL equality and ordering semantics.

GetSupportedDataType(INode)

Gets the Data Type Uri of the given Node if it has a supported type.

Declaration

public static string GetSupportedDataType(INode n)

Parameters

Type	Name	Description
INode	n	Node.

Returns

Type	Description
System.String

Remarks

Only ILiteralNode's can have a Data Type.

The function only returns the Data Type Uri (as a String) if the Data Type of the Literal is one of the supported Data Types.

IsName(String)

Returns whether a String is a Name as defined by the W3C XML Specification.

Declaration

public static bool IsName(string name)

Parameters

Type	Name	Description
System.String	name	String to test.

Returns

Type	Description
System.Boolean

IsNameChar(Char)

Returns whether a Character is a NameChar as defined by the W3C XML Specification.

Declaration

public static bool IsNameChar(char c)

Parameters

Type	Name	Description
System.Char	c	Character to Test.

Returns

Type	Description
System.Boolean

IsNameStartChar(Char)

Returns whether a Character is a NameChar as defined by the W3C XML Specification.

Declaration

public static bool IsNameStartChar(char c)

Parameters

Type	Name	Description
System.Char	c	Character to test.

Returns

Type	Description
System.Boolean

IsNCName(String)

Returns whether a String is a NCName as defined by the W3C XML Namespaces Specification.

Declaration

public static bool IsNCName(string name)

Parameters

Type	Name	Description
System.String	name	String to test.

Returns

Type	Description
System.Boolean

IsSupportedType(String)

Returns whether the given Type refers to one of the types supported by the LiteralNode CompareTo method.

Declaration

public static bool IsSupportedType(string type)

Parameters

Type	Name	Description
System.String	type	Data Type Uri.

Returns

Type	Description
System.Boolean

IsSupportedType(Uri)

Returns whether the given Type refers to one of the types supported by the LiteralNode CompareTo method.

Declaration

public static bool IsSupportedType(Uri type)

Parameters

Type	Name	Description
System.Uri	type	Data Type Uri.

Returns

Type	Description
System.Boolean