/
sparql_query_builders.ts
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/
sparql_query_builders.ts
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import {
braces,
parentheses,
SparqlBuilder,
} from "./sparql_shared_builders.ts";
import { type RDF } from "../rdf.ts";
import { type SparqlValue } from "./sparql_tag.ts";
type Builders<T extends keyof SparqlQueryBuilder> = Pick<
SparqlQueryBuilder,
T
>;
class SparqlQueryBuilder extends SparqlBuilder {
public OFFSET(
number: number,
): Builders<"build"> {
return this.number(number, "OFFSET");
}
public LIMIT(
number: number,
): Builders<"build" | "OFFSET"> {
return this.number(number, "LIMIT");
}
public ORDER_BY(
strings: TemplateStringsArray,
...values: SparqlValue[]
): Builders<"build" | "LIMIT"> {
return this.template(strings, values, "ORDER BY");
}
public HAVING(
strings: TemplateStringsArray,
...values: SparqlValue[]
): Builders<"build" | "ORDER_BY" | "LIMIT"> {
return this.template(strings, values, "HAVING", parentheses);
}
public GROUP_BY(
strings: TemplateStringsArray,
...values: SparqlValue[]
): Builders<"build" | "HAVING" | "ORDER_BY" | "LIMIT"> {
return this.template(strings, values, "GROUP BY");
}
public WHERE(
strings: TemplateStringsArray,
...values: SparqlValue[]
): Builders<"build" | "GROUP_BY" | "ORDER_BY" | "LIMIT"> {
return this.template(strings, values, "WHERE", braces);
}
public FROM_NAMED(
stringOrNamedNode: string | RDF.NamedNode<string>,
): Builders<"FROM_NAMED" | "WHERE"> {
return this.namedNode(stringOrNamedNode, "FROM NAMED");
}
public FROM(
stringOrNamedNode: string | RDF.NamedNode<string>,
): Builders<"FROM" | "FROM_NAMED" | "WHERE"> {
return this.namedNode(stringOrNamedNode, "FROM");
}
public SELECT(
strings: TemplateStringsArray,
...values: SparqlValue[]
): Builders<"FROM" | "FROM_NAMED" | "WHERE"> {
return this.template(strings, values, "SELECT");
}
public SELECT_DISTINCT(
strings: TemplateStringsArray,
...values: SparqlValue[]
): Builders<"FROM" | "FROM_NAMED" | "WHERE"> {
return this.template(strings, values, "SELECT DISTINCT");
}
public SELECT_REDUCED(
strings: TemplateStringsArray,
...values: SparqlValue[]
): Builders<"FROM" | "FROM_NAMED" | "WHERE"> {
return this.template(strings, values, "SELECT REDUCED");
}
public CONSTRUCT(
strings: TemplateStringsArray,
...values: SparqlValue[]
): Builders<"WHERE"> {
return this.template(strings, values, "CONSTRUCT", braces);
}
public CONSTRUCT_WHERE(
strings: TemplateStringsArray,
...values: SparqlValue[]
): Builders<"build" | "GROUP_BY" | "ORDER_BY" | "LIMIT"> {
return this.template(strings, values, "CONSTRUCT WHERE", braces);
}
public ASK(
strings: TemplateStringsArray,
...values: SparqlValue[]
): Builders<"build"> {
return this.template(strings, values, "ASK", braces);
}
public ASK_FROM(
stringOrNamedNode: string | RDF.NamedNode<string>,
): Builders<"FROM" | "FROM_NAMED" | "WHERE"> {
return this.namedNode(stringOrNamedNode, "ASK\nFROM");
}
public ASK_FROM_NAMED(
stringOrNamedNode: string | RDF.NamedNode<string>,
): Builders<"FROM_NAMED" | "WHERE"> {
return this.namedNode(stringOrNamedNode, "ASK\nFROM NAMED");
}
public ASK_WHERE(
strings: TemplateStringsArray,
...values: SparqlValue[]
): Builders<"build" | "GROUP_BY" | "ORDER_BY" | "LIMIT"> {
return this.template(strings, values, "ASK\nWHERE", braces);
}
public DESCRIBE(
strings: TemplateStringsArray,
...values: SparqlValue[]
): Builders<"build" | "FROM" | "FROM_NAMED" | "WHERE"> {
return this.template(strings, values, "DESCRIBE");
}
}
export const SELECT = Object.assign((
strings: TemplateStringsArray,
...values: SparqlValue[]
) => new SparqlQueryBuilder().SELECT(strings, ...values), {
DISTINCT: (
strings: TemplateStringsArray,
...values: SparqlValue[]
) => new SparqlQueryBuilder().SELECT_DISTINCT(strings, ...values),
REDUCED: (
strings: TemplateStringsArray,
...values: SparqlValue[]
) => new SparqlQueryBuilder().SELECT_REDUCED(strings, ...values),
get ALL() {
return new SparqlQueryBuilder().SELECT`*`;
},
});
export const CONSTRUCT = Object.assign((
strings: TemplateStringsArray,
...values: SparqlValue[]
) => new SparqlQueryBuilder().CONSTRUCT(strings, ...values), {
WHERE: (
strings: TemplateStringsArray,
...values: SparqlValue[]
) => new SparqlQueryBuilder().CONSTRUCT_WHERE(strings, ...values),
});
export const ASK = Object.assign((
strings: TemplateStringsArray,
...values: SparqlValue[]
) => new SparqlQueryBuilder().ASK(strings, ...values), {
FROM: (
stringOrNamedNode: string | RDF.NamedNode<string>,
) => new SparqlQueryBuilder().ASK_FROM(stringOrNamedNode),
FROM_NAMED: (
stringOrNamedNode: string | RDF.NamedNode<string>,
) => new SparqlQueryBuilder().ASK_FROM_NAMED(stringOrNamedNode),
WHERE: (
strings: TemplateStringsArray,
...values: SparqlValue[]
) => new SparqlQueryBuilder().ASK_WHERE(strings, ...values),
});
export const DESCRIBE = (
strings: TemplateStringsArray,
...values: SparqlValue[]
) => new SparqlQueryBuilder().DESCRIBE(strings, ...values);