ecmarkup/lib/ProdRef.js

Custom element definitions and core utilities for markup that specifies ECMAScript and related technologies.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const Builder_1 = require("./Builder");
const utils_1 = require("./utils");
class ProdRef extends Builder_1.default {
    constructor(spec, node, namespace) {
        super(spec, node);
        this.spec = spec;
        this.node = node;
        this.namespace = namespace;
        this.name = node.getAttribute('name');
    }
    static async enter({ node, spec, clauseStack }) {
        const clause = clauseStack[clauseStack.length - 1];
        const namespace = clause ? clause.namespace : spec.namespace;
        const prodref = new ProdRef(spec, node, namespace);
        spec._prodRefs.push(prodref);
    }
    build() {
        const entry = this.spec.biblio.byProductionName(this.name, this.namespace);
        const prod = entry ? entry._instance : null;
        let copy;
        if (!prod) {
            console.error('Could not find production named ' + this.node.getAttribute('name'));
            return;
        }
        if ((0, utils_1.shouldInline)(this.node)) {
            const cls = this.node.getAttribute('class') || '';
            if (cls.indexOf('inline') === -1) {
                this.node.setAttribute('class', cls + ' inline');
            }
        }
        if (this.node.hasAttribute('a')) {
            this.node.setAttribute('collapsed', '');
            if (!prod.rhsesById[this.node.getAttribute('a')]) {
                console.error('Could not find alternative ' +
                    this.node.getAttribute('a') +
                    ' of production ' +
                    prod.name);
                return;
            }
            copy = prod.node.cloneNode(false);
            // copy nodes until the first RHS. This captures the production name and any annotations.
            for (let j = 0; j < prod.node.childNodes.length; j++) {
                if (prod.node.childNodes[j].nodeName === 'EMU-RHS')
                    break;
                copy.appendChild(prod.node.childNodes[j].cloneNode(true));
            }
            copy.appendChild(prod.rhsesById[this.node.getAttribute('a')].node.cloneNode(true));
        }
        else {
            copy = prod.node.cloneNode(true);
        }
        copy.removeAttribute('id');
        if (this.node.parentNode) {
            this.node.parentNode.replaceChild(copy, this.node);
        }
        // copy attributes over (especially important for 'class').
        for (let j = 0; j < this.node.attributes.length; j++) {
            const attr = this.node.attributes[j];
            if (!copy.hasAttribute(attr.name)) {
                copy.setAttribute(attr.name, attr.value);
            }
        }
    }
}
ProdRef.elements = ['EMU-PRODREF'];
exports.default = ProdRef;