office-addin-manifest/lib/xml.js

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license.
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * Given an xml element, returns the value of the attribute with the specified name.
 * @param xml Xml object
 * @param name Attribute name
 * @returns The attribute value or undefined
 * @example Given the the following xml, the attribute name "DefaultValue" will return the value "abc".
 *   <First DefaultValue="abc">1</First>
 */
function getXmlAttributeValue(xml, name) {
    try {
        return xml.$[name];
    }
    catch (err) {
        // reading xml values is resilient to errors but you can uncomment the next line for debugging if attributes are missing
        // console.error(`Unable to get xml attribute value "${name}". ${err}`);
    }
}
exports.getXmlAttributeValue = getXmlAttributeValue;
/**
 * Given an xml object, returns the first inner element with the specified name, or undefined.
 * @param xml Xml object
 * @param name Element name
 * @returns Xml object or undefined
 * @example Given the the following xml, the name "Second" will return the xml object for <Second>...</Second>.
 *   <Current>
 *     <First>1</First>
 *     <Second>2</Second>
 *   </Current>
 */
function getXmlElement(xml, name) {
    try {
        const element = xml[name];
        if (element instanceof Array) {
            return element[0];
        }
    }
    catch (err) {
        // reading xml values is resilient to errors but you can uncomment the next line for debugging if elements are missing
        // console.error(`Unable to get xml element "${name}". ${err}`);
    }
}
exports.getXmlElement = getXmlElement;
/**
 * Given an xml object, returns the attribute value for the first inner element with the specified name, or undefined.
 * @param xml Xml object
 * @param elementName Element name
 * @param attributeName Attribute name
 * @example Given the the following xml, the element name "First" and attribute name "DefaultValue" will return the value "abc".
 *   <Current>
 *     <First DefaultValue="abc">1</First>
 *   </Current>
 */
function getXmlElementAttributeValue(xml, elementName, attributeName = "DefaultValue") {
    const element = getXmlElement(xml, elementName);
    if (element) {
        return getXmlAttributeValue(element, attributeName);
    }
}
exports.getXmlElementAttributeValue = getXmlElementAttributeValue;
/**
 * Given an xml object, returns an array with the inner elements with the specified name.
 * @param xml Xml object
 * @param name Element name
 * @returns Array of xml objects;
 * @example Given the the following xml, the name "Item" will return an array with the two items.
 *   <Items>
 *     <Item>1</Item>
 *     <Item>2</Item>
 *   </Items>
 */
function getXmlElements(xml, name) {
    try {
        const elements = xml[name];
        return (elements instanceof Array) ? elements : [];
    }
    catch (err) {
        return [];
    }
}
exports.getXmlElements = getXmlElements;
/**
 * Given an xml object, for the specified element, returns the values of the inner elements with the specified item element name.
 * @param xml The xml object.
 * @param name The name of the inner xml element.
 * @example Given the the following xml, the container name "Items" and item name "Item" will return ["One", "Two"].
 * If the attributeName is "AnotherValue", then it will return ["First", "Second"].
 *   <Items>
 *     <Item DefaultValue="One" AnotherValue="First">1</Item>
 *     <Item DefaultValue="Two" AnotherValue="Second">2</Item>
 *   </Current>
 */
function getXmlElementsAttributeValue(xml, name, itemElementName, attributeName = "DefaultValue") {
    const values = [];
    try {
        const xmlElements = xml[name][0][itemElementName];
        xmlElements.forEach((xmlElement) => {
            const elementValue = getXmlAttributeValue(xmlElement, attributeName);
            if (elementValue !== undefined) {
                values.push(elementValue);
            }
        });
    }
    catch (err) {
        // do nothing
    }
    return values;
}
exports.getXmlElementsAttributeValue = getXmlElementsAttributeValue;
/**
 * Given an xml object, for the specified element, returns the values of the inner elements with the specified item element name.
 * @param xml The xml object.
 * @param name The name of the inner xml element.
 * @example Given the the following xml, the container name "Items" and item name "Item" will return ["1", "2"].
 *   <Items>
 *     <Item>1</Item>
 *     <Item>2</Item>
 *   </Current>
 */
function getXmlElementsValue(xml, name, itemElementName) {
    const values = [];
    getXmlElements(xml, name).forEach((xmlElement) => {
        const elementValue = getXmlElementValue(xmlElement, itemElementName);
        if (elementValue !== undefined) {
            values.push(elementValue);
        }
    });
    return values;
}
exports.getXmlElementsValue = getXmlElementsValue;
/**
 * Returns the value of the first inner xml element with the specified name.
 * @param xml The xml object.
 * @param name The name of the inner xml element.
 * @example Given the the following xml, the name "Second" will return the value "2".
 *   <Current>
 *     <First>1</First>
 *     <Second>2</Second>
 *   </Current>
 */
function getXmlElementValue(xml, name) {
    try {
        const element = xml[name];
        if (element instanceof Array) {
            return element[0];
        }
    }
    catch (err) {
        // reading xml values is resilient to errors but you can uncomment the next line for debugging if elements are missing
        // console.error(`Unable to get xml element value "${name}". ${err}`);
    }
}
exports.getXmlElementValue = getXmlElementValue;
/**
 * Given an xml object, set the attribute value for the specified element name.
 * @param xml Xml object
 * @param elementName Element name
 * @param attributeValue Attribute value
 * @param attributeName Attribute name
 */
function setXmlElementAttributeValue(xml, elementName, attributeValue, attributeName = "DefaultValue") {
    xml[elementName][0].$[attributeName] = attributeValue;
}
exports.setXmlElementAttributeValue = setXmlElementAttributeValue;
/**
 * Given an xml object, set the inner xml element
 * @param xml Xml object
 * @param elementName Element name
 * @param elementValue Element value
 */
function setXmlElementValue(xml, elementName, elementValue) {
    xml[elementName] = elementValue;
}
exports.setXmlElementValue = setXmlElementValue;
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