Class SparqlQueryParserContext

Parser Context for SPARQL Query parser.
Inheritance
System.Object
BaseParserContext
TokenisingParserContext
SparqlQueryParserContext
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.Contexts
Assembly: dotNetRDF.dll
Syntax
public class SparqlQueryParserContext : TokenisingParserContext, IParserContext, ITokenisingParserContext

Constructors

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SparqlQueryParserContext(SparqlQueryParserContext, ITokenQueue)

Creates a new SPARQL Query Parser Context for parsing sub-queries.
Declaration
protected SparqlQueryParserContext(SparqlQueryParserContext parent, ITokenQueue tokens)
Parameters
Type Name Description
SparqlQueryParserContext parent Parent Query Parser Context.
ITokenQueue tokens Tokens that need parsing to form a subquery.
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SparqlQueryParserContext(ITokeniser)

Creates a new SPARQL Query Parser Context with default settings.
Declaration
public SparqlQueryParserContext(ITokeniser tokeniser)
Parameters
Type Name Description
ITokeniser tokeniser Tokeniser to use.
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SparqlQueryParserContext(ITokeniser, Boolean, Boolean)

Creates a new SPARQL Query Parser Context with custom settings.
Declaration
public SparqlQueryParserContext(ITokeniser tokeniser, bool traceParsing, bool traceTokeniser)
Parameters
Type Name Description
ITokeniser tokeniser Tokeniser to use.
System.Boolean traceParsing Whether to trace parsing.
System.Boolean traceTokeniser Whether to trace tokenisation.
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SparqlQueryParserContext(ITokeniser, TokenQueueMode)

Creates a new SPARQL Query Parser Context with custom settings.
Declaration
public SparqlQueryParserContext(ITokeniser tokeniser, TokenQueueMode queueMode)
Parameters
Type Name Description
ITokeniser tokeniser Tokeniser to use.
TokenQueueMode queueMode Tokeniser Queue Mode.
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SparqlQueryParserContext(ITokeniser, TokenQueueMode, Boolean, Boolean)

Creates a new SPARQL Query Parser Context with custom settings.
Declaration
public SparqlQueryParserContext(ITokeniser tokeniser, TokenQueueMode queueMode, bool traceParsing, bool traceTokeniser)
Parameters
Type Name Description
ITokeniser tokeniser Tokeniser to use.
TokenQueueMode queueMode Tokeniser Queue Mode.
System.Boolean traceParsing Whether to trace parsing.
System.Boolean traceTokeniser Whether to trace tokenisation.
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SparqlQueryParserContext(ITokenQueue)

Creates a new Query Parser Context from the given Token Queue.
Declaration
protected SparqlQueryParserContext(ITokenQueue tokens)
Parameters
Type Name Description
ITokenQueue tokens Token Queue.

Properties

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BlankNodeID

Gets the last Blank Node ID that was issued.
Declaration
public int BlankNodeID { get; }
Property Value
Type Description
System.Int32
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BlankNodeIDUsages

Gets the mapping of in use Blank Nodes IDs.
Declaration
public Dictionary<string, int> BlankNodeIDUsages { get; }
Property Value
Type Description
System.Collections.Generic.Dictionary<System.String, System.Int32>
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CheckBlankNodeScope

Gets/Sets whether Blank Node scoping must be checked.
Declaration
public bool CheckBlankNodeScope { get; set; }
Property Value
Type Description
System.Boolean
Remarks
If false then only name tracking will be done to prevent auto-generated IDs colliding with user allocated IDs.
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DefaultBaseUri

Gets/Sets the default Base Uri to resolve relative URIs against.
Declaration
public Uri DefaultBaseUri { get; set; }
Property Value
Type Description
System.Uri
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ExpressionFactories

Gets the Custom Expression Factories valid for this Parser.
Declaration
public IEnumerable<ISparqlCustomExpressionFactory> ExpressionFactories { get; set; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<ISparqlCustomExpressionFactory>
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GraphPatternID

Gets/Sets the current Graph Pattern ID.
Declaration
public int GraphPatternID { get; set; }
Property Value
Type Description
System.Int32
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NextAliasID

Gets the Next Available Alias ID for aliasing Project Expressions and Aggregates which don't have an Aggregate Specified.
Declaration
public int NextAliasID { get; }
Property Value
Type Description
System.Int32
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Query

Gets the Query that this Parser Context is populating.
Declaration
public SparqlQuery Query { get; }
Property Value
Type Description
SparqlQuery
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SubQueryMode

Returns whether this Parser Context is for a sub-query.
Declaration
public bool SubQueryMode { get; }
Property Value
Type Description
System.Boolean
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SyntaxMode

Gets/Sets the Syntax that should be supported.
Declaration
public SparqlQuerySyntax SyntaxMode { get; set; }
Property Value
Type Description
SparqlQuerySyntax
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VerbSeen

Gets/Sets whether the Query Verb has been seen.
Declaration
public bool VerbSeen { get; set; }
Property Value
Type Description
System.Boolean

Methods

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GetNewBlankNodeID()

Gets a new Blank Node ID.
Declaration
public string GetNewBlankNodeID()
Returns
Type Description
System.String

Implements

Extension Methods