@jahed/sparql-engine/dist/utils.d.ts

SPARQL query engine for servers and web browsers.

import type { Pattern } from "sparqljs";
import type { PipelineStage } from "./engine/pipeline/pipeline-engine.ts";
import { Bindings } from "./rdf/bindings.ts";
import type { EngineTriple } from "./types.ts";
/**
 * Bound a triple pattern using a set of bindings, i.e., substitute variables in the triple pattern
 * using the set of bindings provided
 * @param triple  - Triple pattern
 * @param bindings - Set of bindings
 * @return An new, bounded triple pattern
 */
export declare function applyBindings(triple: EngineTriple, bindings: Bindings): EngineTriple;
/**
 * Recursively apply bindings to every triple in a SPARQL group pattern
 * @param  group - SPARQL group pattern to process
 * @param  bindings - Set of bindings to use
 * @return A new SPARQL group pattern with triples bounded
 */
export declare function deepApplyBindings(group: Pattern, bindings: Bindings): Pattern;
/**
 * Extends all set of bindings produced by an iterator with another set of bindings
 * @param  source - Source {@link PipelineStage}
 * @param  bindings - Bindings added to each set of bindings procuded by the iterator
 * @return A {@link PipelineStage} that extends bindins produced by the source iterator
 */
export declare function extendByBindings(source: PipelineStage<Bindings>, bindings: Bindings): PipelineStage<Bindings>;