Class TurtleSpecsHelper

Helper function relating to the Turtle Specifications.

Inheritance

object

TurtleSpecsHelper

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: VDS.RDF.Parsing

Assembly: dotNetRdf.dll

Syntax

public class TurtleSpecsHelper

Remarks

Not currently used in the actual TurtleTokeniser or TurtleParser but is used for the new TriGTokeniser.

Fields

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LongLiteralsPattern

Pattern for determining whether a given String should be serialized as a Long Literal.

Declaration

public const string LongLiteralsPattern = "[\n\r\t\"]"

Field Value

Type	Description
string

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ValidDecimalPattern

Pattern for Valid Decimals in Turtle.

Declaration

public const string ValidDecimalPattern = "^(\\+|-)?(\\d+\\.\\d*|\\.\\d+|\\d+)$"

Field Value

Type	Description
string

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ValidDoublePattern

Pattern for Valid Doubles in Turtle.

Declaration

public const string ValidDoublePattern = "^(\\+|-)?(\\d+\\.\\d*[eE](\\+|-)?\\d+|\\.\\d+[eE](\\+|-)?\\d+|\\d+[eE](\\+|-)?\\d+)$"

Field Value

Type	Description
string

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ValidIntegerPattern

Pattern for Valid Integers in Turtle.

Declaration

public const string ValidIntegerPattern = "^(\\+|-)?\\d+$"

Field Value

Type	Description
string

Methods

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InferPlainLiteralType(PlainLiteralToken, TurtleSyntax)

Infers the Type of a Plain Literal.

Declaration

public static Uri InferPlainLiteralType(PlainLiteralToken p, TurtleSyntax syntax)

Parameters

Type	Name	Description
PlainLiteralToken	p	Plain Literal to infer the Type of.
TurtleSyntax	syntax	Turtle Syntax.

Returns

Type	Description
Uri	A Uri representing the XML Scheme Data Type for the Plain Literal.

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IsHex(char)

Gets whether a character is a Hex character.

Declaration

public static bool IsHex(char c)

Parameters

Type	Name	Description
char	c	Character.

Returns

Type	Description
bool

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IsLongLiteral(string)

Determines whether a given String should be serialized as a Long Literal.

Declaration

public static bool IsLongLiteral(string value)

Parameters

Type	Name	Description
string	value	String to test.

Returns

Type	Description
bool

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IsNameChar(char)

Gets whether a character matches the nameChar production from the Turtle specification.

Declaration

public static bool IsNameChar(char c)

Parameters

Type	Name	Description
char	c	Character.

Returns

Type	Description
bool

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IsNameChar(char, char)

Gets whether a surrogate pair matches the nameChar production from the Turtle specification.

Declaration

public static bool IsNameChar(char c, char d)

Parameters

Type	Name	Description
char	c	High surrogate.
char	d	Low surrogate.

Returns

Type	Description
bool

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IsNameStartChar(char)

Gets whether a character matches the nameStartChar production from the Turtle specification.

Declaration

public static bool IsNameStartChar(char c)

Parameters

Type	Name	Description
char	c	Character.

Returns

Type	Description
bool

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IsNameStartChar(char, char)

Gets whether a surrogate pair matches the nameStartChar production from the Turtle specification.

Declaration

public static bool IsNameStartChar(char c, char d)

Parameters

Type	Name	Description
char	c	High surrogate.
char	d	Low surrogate.

Returns

Type	Description
bool

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IsPLX(char[], int, out int)

Checks whether a given String matches the PLX rule from the Turtle W3C Specification.

Declaration

public static bool IsPLX(char[] cs, int startIndex, out int endIndex)

Parameters

Type	Name	Description
char[]	cs	String as character array.
int	startIndex	Start Index.
int	endIndex	Resulting End Index.

Returns

Type	Description
bool

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IsPNChars(char)

Gets whether a character matches the PN_CHARS production from the Turtle specification.

Declaration

public static bool IsPNChars(char c)

Parameters

Type	Name	Description
char	c	Character.

Returns

Type	Description
bool

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IsPNChars(char, char)

Gets whether a surrogate pair matches the PN_CHARS production from the Turtle specification.

Declaration

public static bool IsPNChars(char c, char d)

Parameters

Type	Name	Description
char	c	High surrogate.
char	d	Low surrogate.

Returns

Type	Description
bool

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IsPNCharsBase(char)

Gets whether a character matches the PN_CHARS_BASE production from the Turtle specifications.

Declaration

public static bool IsPNCharsBase(char c)

Parameters

Type	Name	Description
char	c	Character.

Returns

Type	Description
bool

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IsPNCharsBase(char, char)

Gets whether a surrogate pair matches the PN_CHARS_BASE production from the Turtle specifications.

Declaration

public static bool IsPNCharsBase(char c, char d)

Parameters

Type	Name	Description
char	c	High surrogate.
char	d	Low surrogate.

Returns

Type	Description
bool

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IsPNCharsU(char)

Gets whether a character matches the PN_CHARS_U production from the Turtle specification.

Declaration

public static bool IsPNCharsU(char c)

Parameters

Type	Name	Description
char	c	Character.

Returns

Type	Description
bool

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IsPNCharsU(char, char)

Gets whether a surrogate pair matches the PN_CHARS_U production from the Turtle specification.

Declaration

public static bool IsPNCharsU(char c, char d)

Parameters

Type	Name	Description
char	c	High surrogate.
char	d	Low surrogate.

Returns

Type	Description
bool

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IsPNLocal(string)

Gets whether the given value matches the PN_LOCAL rule from the Turtle specification.

Declaration

public static bool IsPNLocal(string value)

Parameters

Type	Name	Description
string	value	Value.

Returns

Type	Description
bool

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IsPNPrefix(string, TurtleSyntax)

Gets whether the given value is the valid prefix portion of a prefixed name in Turtle.

Declaration

public static bool IsPNPrefix(string value, TurtleSyntax syntax)

Parameters

Type	Name	Description
string	value	Value.
TurtleSyntax	syntax	Turtle Syntax.

Returns

Type	Description
bool

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IsValidDecimal(string)

Determines whether a given String is a valid Decimal.

Declaration

public static bool IsValidDecimal(string value)

Parameters

Type	Name	Description
string	value	String to test.

Returns

Type	Description
bool

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IsValidDouble(string)

Determines whether a given String is a valid Double.

Declaration

public static bool IsValidDouble(string value)

Parameters

Type	Name	Description
string	value	String to test.

Returns

Type	Description
bool

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IsValidInteger(string)

Determines whether a given String is a valid Integer.

Declaration

public static bool IsValidInteger(string value)

Parameters

Type	Name	Description
string	value	String to test.

Returns

Type	Description
bool

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IsValidLocalName(string, TurtleSyntax)

Gets whether the given value is the valid local name portion of a prefixed name in Turtle.

Declaration

public static bool IsValidLocalName(string value, TurtleSyntax syntax)

Parameters

Type	Name	Description
string	value	Value.
TurtleSyntax	syntax	Turtle Syntax.

Returns

Type	Description
bool

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IsValidPlainLiteral(string, Uri, TurtleSyntax)

Determines whether a given String is a valid Plain Literal for the given Datatype.

Declaration

public static bool IsValidPlainLiteral(string value, Uri dt, TurtleSyntax syntax)

Parameters

Type	Name	Description
string	value	Value.
Uri	dt	Datatype.
TurtleSyntax	syntax	Turtle Syntax.

Returns

Type	Description
bool

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IsValidPlainLiteral(string, TurtleSyntax)

Determines whether a given String is a valid Plain Literal.

Declaration

public static bool IsValidPlainLiteral(string value, TurtleSyntax syntax)

Parameters

Type	Name	Description
string	value	String to test.
TurtleSyntax	syntax	Turtle Syntax.

Returns

Type	Description
bool

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IsValidPrefix(string, TurtleSyntax)

Gets whether the given value is a valid prefix in Turtle.

Declaration

public static bool IsValidPrefix(string value, TurtleSyntax syntax)

Parameters

Type	Name	Description
string	value	Value.
TurtleSyntax	syntax	Turtle Syntax.

Returns

Type	Description
bool

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IsValidQName(string)

Gets whether a QName is valid in Turtle (assumes Turtle as originally specified by Dave Beckett).

Declaration

public static bool IsValidQName(string value)

Parameters

Type	Name	Description
string	value	QName.

Returns

Type	Description
bool

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IsValidQName(string, TurtleSyntax)

Determines whether a given String is a valid QName.

Declaration

public static bool IsValidQName(string value, TurtleSyntax syntax)

Parameters

Type	Name	Description
string	value	String to test.
TurtleSyntax	syntax	Turtle Syntax.

Returns

Type	Description
bool

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UnescapeQName(string)

Unescapes local name escapes in a QName.

Declaration

public static string UnescapeQName(string value)

Parameters

Type	Name	Description
string	value	QName.

Returns

Type	Description
string	Unescaped QName.

Extension Methods

Extensions.ToSafeString(object)

Extensions.AsEnumerable<T>(T)