meta-log-db/dist/rdf/sparql-parser.d.ts

Native database package for Meta-Log (ProLog, DataLog, R5RS)

/**
 * Enhanced SPARQL Query Parser
 * Supports: SELECT, DISTINCT, ORDER BY, LIMIT, OFFSET, FILTER, OPTIONAL, UNION
 */
export interface SparqlQuery {
    type: 'SELECT' | 'ASK' | 'CONSTRUCT' | 'DESCRIBE';
    distinct?: boolean;
    variables: string[];
    where: SparqlPattern[];
    optional?: SparqlPattern[];
    filters?: SparqlFilter[];
    orderBy?: SparqlOrderBy[];
    limit?: number;
    offset?: number;
    union?: SparqlQuery[];
}
export interface SparqlPattern {
    subject: string;
    predicate: string;
    object: string;
    optional?: boolean;
}
export interface SparqlFilter {
    expression: string;
    type: 'equals' | 'notEquals' | 'greaterThan' | 'lessThan' | 'regex' | 'lang' | 'bound' | 'custom';
    left: string;
    right?: string;
}
export interface SparqlOrderBy {
    variable: string;
    direction: 'ASC' | 'DESC';
}
/**
 * Parse SPARQL query string into structured query object
 */
export declare class SparqlParser {
    /**
     * Parse SPARQL query
     */
    static parse(query: string): SparqlQuery;
    /**
     * Normalize query string
     */
    private static normalizeQuery;
    /**
     * Parse query type
     */
    private static parseQueryType;
    /**
     * Parse variables from SELECT clause
     */
    private static parseVariables;
    /**
     * Parse triple patterns from WHERE clause
     */
    private static parsePatterns;
    /**
     * Parse OPTIONAL patterns
     */
    private static parseOptional;
    /**
     * Parse FILTER expressions
     */
    private static parseFilters;
    /**
     * Parse ORDER BY clause
     */
    private static parseOrderBy;
}
//# sourceMappingURL=sparql-parser.d.ts.map