@ngx-i18nsupport/ngx-i18nsupport-lib
Version:
A Typescript library to work with Angular generated i18n files (xliff, xmb)
360 lines • 41 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { AbstractMessageParser } from './abstract-message-parser';
import { DOMUtilities } from './dom-utilities';
import { TagMapping } from './tag-mapping';
import { ParsedMessagePartType } from './parsed-message-part';
/**
* Created by roobm on 10.05.2017.
* A message parser for XMB
*/
export class XmbMessageParser extends AbstractMessageParser {
/**
* Handle this element node.
* This is called before the children are done.
* @protected
* @param {?} elementNode elementNode
* @param {?} message message to be altered
* @return {?} true, if children should be processed too, false otherwise (children ignored then)
*/
processStartElement(elementNode, message) {
/** @type {?} */
const tagName = elementNode.tagName;
if (tagName === 'ph') {
// There are 4 different usages of ph element:
// 1. placeholders are like <ph name="INTERPOLATION"><ex>INTERPOLATION</ex></ph>
// or <ph name="INTERPOLATION_1"><ex>INTERPOLATION_1</ex></ph>
// 2. start tags:
// <ph name="START_LINK"><ex><a></ex></ph>
// 3. empty tags:
// <ph name="TAG_IMG"><ex><img></ex></ph>
// 4. ICU:
// <ph name="ICU"><ex>ICU</ex></ph>
/** @type {?} */
const name = elementNode.getAttribute('name');
if (!name) {
return true; // should not happen
}
if (name.startsWith('INTERPOLATION')) {
/** @type {?} */
const index = this.parsePlaceholderIndexFromName(name);
message.addPlaceholder(index, null);
return false; // ignore children
}
else if (name.startsWith('START_')) {
/** @type {?} */
const tag = this.parseTagnameFromPhElement(elementNode);
/** @type {?} */
const idcounter = this.parseIdCountFromName(name);
if (tag) {
message.addStartTag(tag, idcounter);
}
return false; // ignore children
}
else if (name.startsWith('CLOSE_')) {
/** @type {?} */
const tag = this.parseTagnameFromPhElement(elementNode);
if (tag) {
message.addEndTag(tag);
}
return false; // ignore children
}
else if (new TagMapping().isEmptyTagPlaceholderName(name)) {
/** @type {?} */
const emptyTagName = new TagMapping().getTagnameFromEmptyTagPlaceholderName(name);
/** @type {?} */
const idcounter = this.parseIdCountFromName(name);
message.addEmptyTag(emptyTagName, idcounter);
return false; // ignore children
}
else if (name.startsWith('ICU')) {
/** @type {?} */
const index = this.parseICUMessageIndexFromName(name);
message.addICUMessageRef(index, null);
return false; // ignore children
}
}
else if (tagName === 'source') {
// ignore source
return false;
}
return true;
}
/**
* Return the ICU message content of the node, if it is an ICU Message.
* @protected
* @param {?} node node
* @return {?} message or null, if it is no ICU Message.
*/
getICUMessageText(node) {
/** @type {?} */
const children = node.childNodes;
if (children.length === 0) {
return null;
}
/** @type {?} */
let firstChild = null;
// find first child that is no source element.
/** @type {?} */
let i;
for (i = 0; i < children.length; i++) {
/** @type {?} */
const child = children.item(i);
if (child.nodeType !== child.ELEMENT_NODE || ((/** @type {?} */ (child))).tagName !== 'source') {
firstChild = child;
break;
}
}
if (firstChild && firstChild.nodeType === firstChild.TEXT_NODE) {
if (this.isICUMessageStart(firstChild.textContent)) {
/** @type {?} */
const messageText = DOMUtilities.getXMLContent((/** @type {?} */ (node)));
if (i > 0) {
// drop <source> elements
/** @type {?} */
const reSource = new RegExp('<source[^>]*>.*</source>', 'g');
return messageText.replace(reSource, '');
}
else {
return messageText;
}
}
else {
return null;
}
}
else {
return null;
}
}
/**
* Handle end of this element node.
* This is called after all children are processed.
* @protected
* @param {?} elementNode elementNode
* @param {?} message message to be altered
* @return {?}
*/
processEndElement(elementNode, message) {
}
/**
* Parse id attribute of x element as placeholder index.
* id can be "INTERPOLATION" or "INTERPOLATION_n"
* @private
* @param {?} name name
* @return {?} id as number
*/
parsePlaceholderIndexFromName(name) {
/** @type {?} */
let indexString = '';
if (name === 'INTERPOLATION') {
indexString = '0';
}
else {
indexString = name.substring('INTERPOLATION_'.length);
}
return Number.parseInt(indexString, 10);
}
/**
* Parse id attribute of x element as ICU message ref index.
* id can be "ICU" or "ICU_n"
* @private
* @param {?} name name
* @return {?} id as number
*/
parseICUMessageIndexFromName(name) {
/** @type {?} */
let indexString = '';
if (name === 'ICU') {
indexString = '0';
}
else {
indexString = name.substring('ICU_'.length);
}
return Number.parseInt(indexString, 10);
}
/**
* Parse the tag name from a ph element.
* It contained in the <ex> subelements value and enclosed in <>.
* Example: <ph name="START_BOLD_TEXT"><ex><b></ex></ph>
* @private
* @param {?} phElement phElement
* @return {?}
*/
parseTagnameFromPhElement(phElement) {
/** @type {?} */
const exElement = DOMUtilities.getFirstElementByTagName(phElement, 'ex');
if (exElement) {
/** @type {?} */
const value = DOMUtilities.getPCDATA(exElement);
if (!value || !value.startsWith('<') || !value.endsWith('>')) {
// oops
return null;
}
if (value.charAt(1) === '/') {
return value.substring(2, value.length - 1);
}
else {
return value.substring(1, value.length - 1);
}
}
else {
return null;
}
}
/**
* @protected
* @param {?} message
* @param {?} rootElem
* @return {?}
*/
addXmlRepresentationToRoot(message, rootElem) {
message.parts().forEach((/**
* @param {?} part
* @return {?}
*/
(part) => {
/** @type {?} */
const child = this.createXmlRepresentationOfPart(part, rootElem);
if (child) {
rootElem.appendChild(child);
}
}));
}
/**
* @protected
* @param {?} part
* @param {?} rootElem
* @return {?}
*/
createXmlRepresentationOfPart(part, rootElem) {
switch (part.type) {
case ParsedMessagePartType.TEXT:
return this.createXmlRepresentationOfTextPart((/** @type {?} */ (part)), rootElem);
case ParsedMessagePartType.START_TAG:
return this.createXmlRepresentationOfStartTagPart(((/** @type {?} */ (part))), rootElem);
case ParsedMessagePartType.END_TAG:
return this.createXmlRepresentationOfEndTagPart(((/** @type {?} */ (part))), rootElem);
case ParsedMessagePartType.EMPTY_TAG:
return this.createXmlRepresentationOfEmptyTagPart(((/** @type {?} */ (part))), rootElem);
case ParsedMessagePartType.PLACEHOLDER:
return this.createXmlRepresentationOfPlaceholderPart(((/** @type {?} */ (part))), rootElem);
case ParsedMessagePartType.ICU_MESSAGE_REF:
return this.createXmlRepresentationOfICUMessageRefPart(((/** @type {?} */ (part))), rootElem);
}
}
/**
* the xml used for start tag in the message.
* Returns an <ph>-Element with attribute name and subelement ex
* @protected
* @param {?} part part
* @param {?} rootElem rootElem
* @return {?}
*/
createXmlRepresentationOfStartTagPart(part, rootElem) {
/** @type {?} */
const phElem = rootElem.ownerDocument.createElement('ph');
/** @type {?} */
const tagMapping = new TagMapping();
/** @type {?} */
const nameAttrib = tagMapping.getStartTagPlaceholderName(part.tagName(), part.idCounter());
phElem.setAttribute('name', nameAttrib);
/** @type {?} */
const exElem = rootElem.ownerDocument.createElement('ex');
exElem.appendChild(rootElem.ownerDocument.createTextNode('<' + part.tagName() + '>'));
phElem.appendChild(exElem);
return phElem;
}
/**
* the xml used for end tag in the message.
* Returns an <ph>-Element with attribute name and subelement ex
* @protected
* @param {?} part part
* @param {?} rootElem rootElem
* @return {?}
*/
createXmlRepresentationOfEndTagPart(part, rootElem) {
/** @type {?} */
const phElem = rootElem.ownerDocument.createElement('ph');
/** @type {?} */
const tagMapping = new TagMapping();
/** @type {?} */
const nameAttrib = tagMapping.getCloseTagPlaceholderName(part.tagName());
phElem.setAttribute('name', nameAttrib);
/** @type {?} */
const exElem = rootElem.ownerDocument.createElement('ex');
exElem.appendChild(rootElem.ownerDocument.createTextNode('</' + part.tagName() + '>'));
phElem.appendChild(exElem);
return phElem;
}
/**
* the xml used for empty tag in the message.
* Returns an <ph>-Element with attribute name and subelement ex
* @protected
* @param {?} part part
* @param {?} rootElem rootElem
* @return {?}
*/
createXmlRepresentationOfEmptyTagPart(part, rootElem) {
/** @type {?} */
const phElem = rootElem.ownerDocument.createElement('ph');
/** @type {?} */
const tagMapping = new TagMapping();
/** @type {?} */
const nameAttrib = tagMapping.getEmptyTagPlaceholderName(part.tagName(), part.idCounter());
phElem.setAttribute('name', nameAttrib);
/** @type {?} */
const exElem = rootElem.ownerDocument.createElement('ex');
exElem.appendChild(rootElem.ownerDocument.createTextNode('<' + part.tagName() + '>'));
phElem.appendChild(exElem);
return phElem;
}
/**
* the xml used for placeholder in the message.
* Returns an <ph>-Element with attribute name and subelement ex
* @protected
* @param {?} part part
* @param {?} rootElem rootElem
* @return {?}
*/
createXmlRepresentationOfPlaceholderPart(part, rootElem) {
/** @type {?} */
const phElem = rootElem.ownerDocument.createElement('ph');
/** @type {?} */
let nameAttrib = 'INTERPOLATION';
if (part.index() > 0) {
nameAttrib = 'INTERPOLATION_' + part.index().toString(10);
}
phElem.setAttribute('name', nameAttrib);
/** @type {?} */
const exElem = rootElem.ownerDocument.createElement('ex');
exElem.appendChild(rootElem.ownerDocument.createTextNode(nameAttrib));
phElem.appendChild(exElem);
return phElem;
}
/**
* the xml used for icu message refs in the message.
* @protected
* @param {?} part part
* @param {?} rootElem rootElem
* @return {?}
*/
createXmlRepresentationOfICUMessageRefPart(part, rootElem) {
/** @type {?} */
const phElem = rootElem.ownerDocument.createElement('ph');
/** @type {?} */
let nameAttrib = 'ICU';
if (part.index() > 0) {
nameAttrib = 'ICU_' + part.index().toString(10);
}
phElem.setAttribute('name', nameAttrib);
/** @type {?} */
const exElem = rootElem.ownerDocument.createElement('ex');
exElem.appendChild(rootElem.ownerDocument.createTextNode(nameAttrib));
phElem.appendChild(exElem);
return phElem;
}
}
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{AbstractMessageParser} from './abstract-message-parser';\r\nimport {ParsedMessage} from './parsed-message';\r\nimport {DOMUtilities} from './dom-utilities';\r\nimport {ParsedMessagePartStartTag} from './parsed-message-part-start-tag';\r\nimport {ParsedMessagePartEndTag} from './parsed-message-part-end-tag';\r\nimport {ParsedMessagePartPlaceholder} from './parsed-message-part-placeholder';\r\nimport {TagMapping} from './tag-mapping';\r\nimport {ParsedMessagePartEmptyTag} from './parsed-message-part-empty-tag';\r\nimport {ParsedMessagePartICUMessageRef} from './parsed-message-part-icu-message-ref';\r\nimport {ParsedMessagePart, ParsedMessagePartType} from './parsed-message-part';\r\nimport {ParsedMessagePartText} from './parsed-message-part-text';\r\n/**\r\n * Created by roobm on 10.05.2017.\r\n * A message parser for XMB\r\n */\r\nexport class XmbMessageParser extends AbstractMessageParser {\r\n\r\n    /**\r\n     * Handle this element node.\r\n     * This is called before the children are done.\r\n     * @param elementNode elementNode\r\n     * @param message message to be altered\r\n     * @return true, if children should be processed too, false otherwise (children ignored then)\r\n     */\r\n    protected processStartElement(elementNode: Element, message: ParsedMessage): boolean {\r\n        const tagName = elementNode.tagName;\r\n        if (tagName === 'ph') {\r\n            // There are 4 different usages of ph element:\r\n            // 1. placeholders are like <ph name=\"INTERPOLATION\"><ex>INTERPOLATION</ex></ph>\r\n            // or <ph name=\"INTERPOLATION_1\"><ex>INTERPOLATION_1</ex></ph>\r\n            // 2. start tags:\r\n            // <ph name=\"START_LINK\"><ex>&lt;a&gt;</ex></ph>\r\n            // 3. empty tags:\r\n            // <ph name=\"TAG_IMG\"><ex>&lt;img&gt;</ex></ph>\r\n            // 4. ICU:\r\n            // <ph name=\"ICU\"><ex>ICU</ex></ph>\r\n            const name = elementNode.getAttribute('name');\r\n            if (!name) {\r\n                return true; // should not happen\r\n            }\r\n            if (name.startsWith('INTERPOLATION')) {\r\n                const index = this.parsePlaceholderIndexFromName(name);\r\n                message.addPlaceholder(index, null);\r\n                return false; // ignore children\r\n            } else if (name.startsWith('START_')) {\r\n                const tag = this.parseTagnameFromPhElement(elementNode);\r\n                const idcounter = this.parseIdCountFromName(name);\r\n                if (tag) {\r\n                    message.addStartTag(tag, idcounter);\r\n                }\r\n                return false; // ignore children\r\n            } else if (name.startsWith('CLOSE_')) {\r\n                const tag = this.parseTagnameFromPhElement(elementNode);\r\n                if (tag) {\r\n                    message.addEndTag(tag);\r\n                }\r\n                return false; // ignore children\r\n            } else if (new TagMapping().isEmptyTagPlaceholderName(name)) {\r\n                const emptyTagName = new TagMapping().getTagnameFromEmptyTagPlaceholderName(name);\r\n                const idcounter = this.parseIdCountFromName(name);\r\n                message.addEmptyTag(emptyTagName, idcounter);\r\n                return false; // ignore children\r\n            } else if (name.startsWith('ICU')) {\r\n                const index = this.parseICUMessageIndexFromName(name);\r\n                message.addICUMessageRef(index, null);\r\n                return false; // ignore children\r\n            }\r\n        } else if (tagName === 'source') {\r\n            // ignore source\r\n            return false;\r\n        }\r\n        return true;\r\n    }\r\n\r\n    /**\r\n     * Return the ICU message content of the node, if it is an ICU Message.\r\n     * @param node node\r\n     * @return message or null, if it is no ICU Message.\r\n     */\r\n    protected getICUMessageText(node: Node): string {\r\n        const children = node.childNodes;\r\n        if (children.length === 0) {\r\n            return null;\r\n        }\r\n        let firstChild = null;\r\n        // find first child that is no source element.\r\n        let i;\r\n        for (i = 0; i < children.length; i++) {\r\n            const child = children.item(i);\r\n            if (child.nodeType !== child.ELEMENT_NODE || (<Element> child).tagName !== 'source') {\r\n                firstChild = child;\r\n                break;\r\n            }\r\n        }\r\n        if (firstChild && firstChild.nodeType === firstChild.TEXT_NODE) {\r\n            if (this.isICUMessageStart(firstChild.textContent)) {\r\n                const messageText = DOMUtilities.getXMLContent(<Element> node);\r\n                if (i > 0) {\r\n                    // drop <source> elements\r\n                    const reSource: RegExp = new RegExp('<source[^>]*>.*</source>', 'g');\r\n                    return messageText.replace(reSource, '');\r\n                } else {\r\n                    return messageText;\r\n                }\r\n            } else {\r\n                return null;\r\n            }\r\n        } else {\r\n            return null;\r\n        }\r\n    }\r\n\r\n    /**\r\n     * Handle end of this element node.\r\n     * This is called after all children are processed.\r\n     * @param elementNode elementNode\r\n     * @param message message to be altered\r\n     */\r\n    protected processEndElement(elementNode: Element, message: ParsedMessage) {\r\n    }\r\n\r\n    /**\r\n     * Parse id attribute of x element as placeholder index.\r\n     * id can be \"INTERPOLATION\" or \"INTERPOLATION_n\"\r\n     * @param name name\r\n     * @return id as number\r\n     */\r\n    private parsePlaceholderIndexFromName(name: string): number {\r\n        let indexString = '';\r\n\r\n        if (name === 'INTERPOLATION') {\r\n            indexString = '0';\r\n        } else {\r\n            indexString = name.substring('INTERPOLATION_'.length);\r\n        }\r\n        return Number.parseInt(indexString, 10);\r\n    }\r\n\r\n    /**\r\n     * Parse id attribute of x element as ICU message ref index.\r\n     * id can be \"ICU\" or \"ICU_n\"\r\n     * @param name name\r\n     * @return id as number\r\n     */\r\n    private parseICUMessageIndexFromName(name: string): number {\r\n        let indexString = '';\r\n\r\n        if (name === 'ICU') {\r\n            indexString = '0';\r\n        } else {\r\n            indexString = name.substring('ICU_'.length);\r\n        }\r\n        return Number.parseInt(indexString, 10);\r\n    }\r\n\r\n    /**\r\n     * Parse the tag name from a ph element.\r\n     * It contained in the <ex> subelements value and enclosed in <>.\r\n     * Example: <ph name=\"START_BOLD_TEXT\"><ex>&lt;b&gt;</ex></ph>\r\n     * @param phElement phElement\r\n     */\r\n    private parseTagnameFromPhElement(phElement: Element): string {\r\n        const exElement = DOMUtilities.getFirstElementByTagName(phElement, 'ex');\r\n        if (exElement) {\r\n            const value = DOMUtilities.getPCDATA(exElement);\r\n            if (!value || !value.startsWith('<') || !value.endsWith('>')) {\r\n                // oops\r\n                return null;\r\n            }\r\n            if (value.charAt(1) === '/') {\r\n                return value.substring(2, value.length - 1);\r\n            } else {\r\n                return value.substring(1, value.length - 1);\r\n            }\r\n        } else {\r\n            return null;\r\n        }\r\n    }\r\n\r\n    protected addXmlRepresentationToRoot(message: ParsedMessage, rootElem: Element) {\r\n        message.parts().forEach((part) => {\r\n            const child = this.createXmlRepresentationOfPart(part, rootElem);\r\n            if (child) {\r\n                rootElem.appendChild(child);\r\n            }\r\n        });\r\n    }\r\n\r\n    protected createXmlRepresentationOfPart(part: ParsedMessagePart, rootElem: Element): Node {\r\n        switch (part.type) {\r\n            case ParsedMessagePartType.TEXT:\r\n                return this.createXmlRepresentationOfTextPart(<ParsedMessagePartText> part, rootElem);\r\n            case ParsedMessagePartType.START_TAG:\r\n                return this.createXmlRepresentationOfStartTagPart((<ParsedMessagePartStartTag>part), rootElem);\r\n            case ParsedMessagePartType.END_TAG:\r\n                return this.createXmlRepresentationOfEndTagPart((<ParsedMessagePartEndTag>part), rootElem);\r\n            case ParsedMessagePartType.EMPTY_TAG:\r\n                return this.createXmlRepresentationOfEmptyTagPart((<ParsedMessagePartEmptyTag>part), rootElem);\r\n            case ParsedMessagePartType.PLACEHOLDER:\r\n                return this.createXmlRepresentationOfPlaceholderPart((<ParsedMessagePartPlaceholder>part), rootElem);\r\n            case ParsedMessagePartType.ICU_MESSAGE_REF:\r\n                return this.createXmlRepresentationOfICUMessageRefPart((<ParsedMessagePartICUMessageRef>part), rootElem);\r\n        }\r\n    }\r\n\r\n    /**\r\n     * the xml used for start tag in the message.\r\n     * Returns an <ph>-Element with attribute name and subelement ex\r\n     * @param part part\r\n     * @param rootElem rootElem\r\n     */\r\n    protected createXmlRepresentationOfStartTagPart(part: ParsedMessagePartStartTag, rootElem: Element): Node {\r\n        const phElem = rootElem.ownerDocument.createElement('ph');\r\n        const tagMapping = new TagMapping();\r\n        const nameAttrib = tagMapping.getStartTagPlaceholderName(part.tagName(), part.idCounter());\r\n        phElem.setAttribute('name', nameAttrib);\r\n        const exElem = rootElem.ownerDocument.createElement('ex');\r\n        exElem.appendChild(rootElem.ownerDocument.createTextNode('<' + part.tagName() + '>'));\r\n        phElem.appendChild(exElem);\r\n        return phElem;\r\n    }\r\n\r\n    /**\r\n     * the xml used for end tag in the message.\r\n     * Returns an <ph>-Element with attribute name and subelement ex\r\n     * @param part part\r\n     * @param rootElem rootElem\r\n     */\r\n    protected createXmlRepresentationOfEndTagPart(part: ParsedMessagePartEndTag, rootElem: Element): Node {\r\n        const phElem = rootElem.ownerDocument.createElement('ph');\r\n        const tagMapping = new TagMapping();\r\n        const nameAttrib = tagMapping.getCloseTagPlaceholderName(part.tagName());\r\n        phElem.setAttribute('name', nameAttrib);\r\n        const exElem = rootElem.ownerDocument.createElement('ex');\r\n        exElem.appendChild(rootElem.ownerDocument.createTextNode('</' + part.tagName() + '>'));\r\n        phElem.appendChild(exElem);\r\n        return phElem;\r\n    }\r\n\r\n    /**\r\n     * the xml used for empty tag in the message.\r\n     * Returns an <ph>-Element with attribute name and subelement ex\r\n     * @param part part\r\n     * @param rootElem rootElem\r\n     */\r\n    protected createXmlRepresentationOfEmptyTagPart(part: ParsedMessagePartEmptyTag, rootElem: Element): Node {\r\n        const phElem = rootElem.ownerDocument.createElement('ph');\r\n        const tagMapping = new TagMapping();\r\n        const nameAttrib = tagMapping.getEmptyTagPlaceholderName(part.tagName(), part.idCounter());\r\n        phElem.setAttribute('name', nameAttrib);\r\n        const exElem = rootElem.ownerDocument.createElement('ex');\r\n        exElem.appendChild(rootElem.ownerDocument.createTextNode('<' + part.tagName() + '>'));\r\n        phElem.appendChild(exElem);\r\n        return phElem;\r\n    }\r\n\r\n    /**\r\n     * the xml used for placeholder in the message.\r\n     * Returns an <ph>-Element with attribute name and subelement ex\r\n     * @param part part\r\n     * @param rootElem rootElem\r\n     */\r\n    protected createXmlRepresentationOfPlaceholderPart(part: ParsedMessagePartPlaceholder, rootElem: Element): Node {\r\n        const phElem = rootElem.ownerDocument.createElement('ph');\r\n        let nameAttrib = 'INTERPOLATION';\r\n        if (part.index() > 0) {\r\n            nameAttrib = 'INTERPOLATION_' + part.index().toString(10);\r\n        }\r\n        phElem.setAttribute('name', nameAttrib);\r\n        const exElem = rootElem.ownerDocument.createElement('ex');\r\n        exElem.appendChild(rootElem.ownerDocument.createTextNode(nameAttrib));\r\n        phElem.appendChild(exElem);\r\n        return phElem;\r\n    }\r\n\r\n    /**\r\n     * the xml used for icu message refs in the message.\r\n     * @param part part\r\n     * @param rootElem rootElem\r\n     */\r\n    protected createXmlRepresentationOfICUMessageRefPart(part: ParsedMessagePartICUMessageRef, rootElem: Element): Node {\r\n        const phElem = rootElem.ownerDocument.createElement('ph');\r\n        let nameAttrib = 'ICU';\r\n        if (part.index() > 0) {\r\n            nameAttrib = 'ICU_' + part.index().toString(10);\r\n        }\r\n        phElem.setAttribute('name', nameAttrib);\r\n        const exElem = rootElem.ownerDocument.createElement('ex');\r\n        exElem.appendChild(rootElem.ownerDocument.createTextNode(nameAttrib));\r\n        phElem.appendChild(exElem);\r\n        return phElem;\r\n    }\r\n}\r\n"]}