@abaplint/core/build/src/cds/expressions/cds_association.js

abaplint - Core API

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.CDSAssociation = void 0;
const _1 = require(".");
const combi_1 = require("../../abap/2_statements/combi");
const cds_cardinality_1 = require("./cds_cardinality");
class CDSAssociation extends combi_1.Expression {
    getRunnable() {
        // Text cardinality: "to exact one", "to one", "to many" — no brackets
        const textCardinality = (0, combi_1.seq)((0, combi_1.opt)("EXACT"), (0, combi_1.altPrio)("ONE", "MANY"));
        // Numeric cardinality: any non-negative integer or * (e.g. [0..1], [1..2], [0..*])
        const cardNum = (0, combi_1.altPrio)((0, combi_1.regex)(/^\d+$/), "*");
        const numericCardinality = (0, combi_1.seq)("[", cardNum, (0, combi_1.optPrio)((0, combi_1.seq)(".", ".", cardNum)), "]");
        // Text-based OF form: "association of one to many Target on ..." — text cardinality includes "TO"
        const ofTextSide = (0, combi_1.altPrio)((0, combi_1.seq)("EXACT", "ONE"), "ONE", "MANY");
        const ofTextForm = (0, combi_1.seq)("ASSOCIATION", "OF", ofTextSide, "TO", ofTextSide, _1.CDSRelation, "ON", _1.CDSCondition);
        // Numeric OF form: "association of [0..1] to Target on ..."
        const ofNumericForm = (0, combi_1.seq)("ASSOCIATION", "OF", numericCardinality, "TO", _1.CDSRelation, "ON", _1.CDSCondition);
        // "association [0..1] to Target as _Alias on condition" — standard form
        const standardForm = (0, combi_1.seq)("ASSOCIATION", (0, combi_1.optPrio)(cds_cardinality_1.CDSCardinality), "TO", (0, combi_1.opt)((0, combi_1.altPrio)(textCardinality, "PARENT")), _1.CDSRelation, "ON", _1.CDSCondition, (0, combi_1.opt)((0, combi_1.seq)("WITH", "DEFAULT", "FILTER", _1.CDSCondition)));
        return (0, combi_1.altPrio)(ofTextForm, ofNumericForm, standardForm);
    }
}
exports.CDSAssociation = CDSAssociation;
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