xmlapi-libxmljs/lib/libxmljs_element.js

libxmljs implementation of xmlapi

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
Object.defineProperty(exports, "__esModule", { value: true });
const libxmljs_node_1 = require("./libxmljs_node");
const libxmljs_attribute_1 = require("./libxmljs_attribute");
const utils_1 = require("./utils");
const xmlapi_1 = require("xmlapi");
const utils_2 = require("xmlapi/utils");
let LibxmljsElement = LibxmljsElement_1 = class LibxmljsElement extends libxmljs_node_1.LibxmljsNode {
    constructor(wrapee) {
        super(wrapee);
    }
    native() {
        return this.wrapee;
    }
    namespaceUri() {
        let ns = this.wrapee.namespace();
        if (ns) {
            return ns.href();
        }
        return null;
    }
    namespacePrefix() {
        let ns = this.wrapee.namespace();
        if (ns) {
            return ns.prefix();
        }
        return null;
    }
    localName() {
        return this.wrapee.name();
    }
    prefixedName() {
        let ns = this.wrapee.namespace();
        if (ns && ns.prefix()) {
            return ns.prefix() + ':' + this.localName();
        }
        return this.localName();
    }
    firstChild() {
        return this.child(0);
    }
    child(index) {
        return utils_1.nodeOrElementOrNull(this.wrapee.child(index));
    }
    // todo: make it constant-time in libxmljs!!
    // see https://github.com/libxmljs/libxmljs/issues/420
    lastChild() {
        let children = this.wrapee.childNodes();
        return utils_1.nodeOrElementOrNull(children[children.length - 1]);
    }
    lastElementChild() {
        let children = this.wrapee.childNodes();
        for (let i = children.length - 1; i >= 0; --i) {
            if (children[i].type() === 'element') {
                return new LibxmljsElement_1(children[i]);
            }
        }
    }
    hasAttributes() {
        return !!this.wrapee.attrs().length; // todo: try constant time
    }
    attributes() {
        return this.wrapee.attrs().map(x => new libxmljs_attribute_1.LibxmljsAttribute(x));
    }
    attribute(name) {
        let attr = this.wrapee.attr(name);
        return attr === null ? null : attr.value();
    }
    attributeNs(nsUri, localName) {
        let attr = this.wrapee.attrs().find(x => x.namespace() && x.namespace().href() === nsUri && x.name() === localName);
        if (attr) {
            return attr.value();
        }
        return null;
    }
    setAttribute(name, value) {
        if (value === undefined) {
            this.removeAttribute(name);
        }
        else {
            this.wrapee.attr({ [name]: value.toString() });
        }
        return this; // todo
    }
    renameAttributeIfExists(nameOld, nameNew) {
        let attr = this.wrapee.attr(nameOld);
        if (attr) {
            this.wrapee.attr({ [nameNew]: attr.value() });
            attr.remove();
        }
    }
    removeAttribute(name) {
        let attr = this.wrapee.attr(name);
        if (attr) {
            attr.remove();
        }
    }
    appendChild(child) {
        this.wrapee.addChild(child.native()); // see http://stackoverflow.com/a/13723325/5271870
        return child;
    }
    buildNsMap() {
        let ret = {};
        // for (let el of merge(this, this.walkAncestors())) {
        //   let wrapee = (el as LibxmlElement).wrapee;
        //   for (let ns of wrapee.namespaces()) {
        //     let prefix = ns.prefix() || '';
        //     if (!(prefix in ret)) {
        //       ret[prefix] = ns.href();
        //     }
        //   }
        // }
        return ret;
    }
    clone() {
        return super.clone();
    }
};
LibxmljsElement = LibxmljsElement_1 = __decorate([
    utils_2.mixin(xmlapi_1.AbstractElement)
], LibxmljsElement);
exports.LibxmljsElement = LibxmljsElement;
var LibxmljsElement_1;