@ngx-i18nsupport/ngx-i18nsupport-lib
Version:
A Typescript library to work with Angular generated i18n files (xliff, xmb)
264 lines • 30.8 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { format } from 'util';
import { FORMAT_XLIFF20, FILETYPE_XLIFF20 } from '../api/constants';
import { DOMUtilities } from './dom-utilities';
import { Xliff2TransUnit } from './xliff2-trans-unit';
import { AbstractTranslationMessagesFile } from './abstract-translation-messages-file';
/**
* Created by martin on 04.05.2017.
* An XLIFF 2.0 file read from a source file.
* Format definition is: http://docs.oasis-open.org/xliff/xliff-core/v2.0/os/xliff-core-v2.0-os.html
*
* Defines some relevant get and set method for reading and modifying such a file.
*/
export class Xliff2File extends AbstractTranslationMessagesFile {
/**
* Create an XLIFF 2.0-File from source.
* @param {?} xmlString source read from file.
* @param {?} path Path to file
* @param {?} encoding optional encoding of the xml.
* This is read from the file, but if you know it before, you can avoid reading the file twice.
*/
constructor(xmlString, path, encoding) {
super();
this._warnings = [];
this._numberOfTransUnitsWithMissingId = 0;
this.initializeFromContent(xmlString, path, encoding);
}
/**
* @private
* @param {?} xmlString
* @param {?} path
* @param {?} encoding
* @return {?}
*/
initializeFromContent(xmlString, path, encoding) {
this.parseContent(xmlString, path, encoding);
/** @type {?} */
const xliffList = this._parsedDocument.getElementsByTagName('xliff');
if (xliffList.length !== 1) {
throw new Error(format('File "%s" seems to be no xliff file (should contain an xliff element)', path));
}
else {
/** @type {?} */
const version = xliffList.item(0).getAttribute('version');
/** @type {?} */
const expectedVersion = '2.0';
if (version !== expectedVersion) {
throw new Error(format('File "%s" seems to be no xliff 2 file, version should be %s, found %s', path, expectedVersion, version));
}
}
return this;
}
/**
* File format as it is used in config files.
* Currently 'xlf', 'xmb', 'xmb2'
* Returns one of the constants FORMAT_..
* @return {?}
*/
i18nFormat() {
return FORMAT_XLIFF20;
}
/**
* File type.
* Here 'XLIFF 2.0'
* @return {?}
*/
fileType() {
return FILETYPE_XLIFF20;
}
/**
* return tag names of all elements that have mixed content.
* These elements will not be beautified.
* Typical candidates are source and target.
* @protected
* @return {?}
*/
elementsWithMixedContent() {
return ['skeleton', 'note', 'data', 'source', 'target', 'pc', 'mrk'];
}
/**
* @protected
* @return {?}
*/
initializeTransUnits() {
this.transUnits = [];
/** @type {?} */
const transUnitsInFile = this._parsedDocument.getElementsByTagName('unit');
for (let i = 0; i < transUnitsInFile.length; i++) {
/** @type {?} */
const transunit = transUnitsInFile.item(i);
/** @type {?} */
const id = transunit.getAttribute('id');
if (!id) {
this._warnings.push(format('oops, trans-unit without "id" found in master, please check file %s', this._filename));
}
this.transUnits.push(new Xliff2TransUnit(transunit, id, this));
}
}
/**
* Get source language.
* @return {?} source language.
*/
sourceLanguage() {
/** @type {?} */
const xliffElem = DOMUtilities.getFirstElementByTagName(this._parsedDocument, 'xliff');
if (xliffElem) {
return xliffElem.getAttribute('srcLang');
}
else {
return null;
}
}
/**
* Edit the source language.
* @param {?} language language
* @return {?}
*/
setSourceLanguage(language) {
/** @type {?} */
const xliffElem = DOMUtilities.getFirstElementByTagName(this._parsedDocument, 'xliff');
if (xliffElem) {
xliffElem.setAttribute('srcLang', language);
}
}
/**
* Get target language.
* @return {?} target language.
*/
targetLanguage() {
/** @type {?} */
const xliffElem = DOMUtilities.getFirstElementByTagName(this._parsedDocument, 'xliff');
if (xliffElem) {
return xliffElem.getAttribute('trgLang');
}
else {
return null;
}
}
/**
* Edit the target language.
* @param {?} language language
* @return {?}
*/
setTargetLanguage(language) {
/** @type {?} */
const xliffElem = DOMUtilities.getFirstElementByTagName(this._parsedDocument, 'xliff');
if (xliffElem) {
xliffElem.setAttribute('trgLang', language);
}
}
/**
* Add a new trans-unit to this file.
* The trans unit stems from another file.
* It copies the source content of the tu to the target content too,
* depending on the values of isDefaultLang and copyContent.
* So the source can be used as a dummy translation.
* (used by xliffmerge)
* @throws an error if trans-unit with same id already is in the file.
* @param {?} foreignTransUnit the trans unit to be imported.
* @param {?} isDefaultLang Flag, wether file contains the default language.
* Then source and target are just equal.
* The content will be copied.
* State will be final.
* @param {?} copyContent Flag, wether to copy content or leave it empty.
* Wben true, content will be copied from source.
* When false, content will be left empty (if it is not the default language).
* @param {?=} importAfterElement optional (since 1.10) other transunit (part of this file), that should be used as ancestor.
* Newly imported trans unit is then inserted directly after this element.
* If not set or not part of this file, new unit will be imported at the end.
* If explicity set to null, new unit will be imported at the start.
* @return {?} the newly imported trans unit (since version 1.7.0)
*/
importNewTransUnit(foreignTransUnit, isDefaultLang, copyContent, importAfterElement) {
if (this.transUnitWithId(foreignTransUnit.id)) {
throw new Error(format('tu with id %s already exists in file, cannot import it', foreignTransUnit.id));
}
/** @type {?} */
const newTu = ((/** @type {?} */ (foreignTransUnit))).cloneWithSourceAsTarget(isDefaultLang, copyContent, this);
/** @type {?} */
const fileElement = DOMUtilities.getFirstElementByTagName(this._parsedDocument, 'file');
if (!fileElement) {
throw new Error(format('File "%s" seems to be no xliff 2.0 file (should contain a file element)', this._filename));
}
/** @type {?} */
let inserted = false;
/** @type {?} */
let isAfterElementPartOfFile = false;
if (!!importAfterElement) {
/** @type {?} */
const insertionPoint = this.transUnitWithId(importAfterElement.id);
if (!!insertionPoint) {
isAfterElementPartOfFile = true;
}
}
if (importAfterElement === undefined || (importAfterElement && !isAfterElementPartOfFile)) {
fileElement.appendChild(newTu.asXmlElement());
inserted = true;
}
else if (importAfterElement === null) {
/** @type {?} */
const firstUnitElement = DOMUtilities.getFirstElementByTagName(this._parsedDocument, 'unit');
if (firstUnitElement) {
DOMUtilities.insertBefore(newTu.asXmlElement(), firstUnitElement);
inserted = true;
}
else {
// no trans-unit, empty file, so add to first file element
fileElement.appendChild(newTu.asXmlElement());
inserted = true;
}
}
else {
/** @type {?} */
const refUnitElement = DOMUtilities.getElementByTagNameAndId(this._parsedDocument, 'unit', importAfterElement.id);
if (refUnitElement) {
DOMUtilities.insertAfter(newTu.asXmlElement(), refUnitElement);
inserted = true;
}
}
if (inserted) {
this.lazyInitializeTransUnits();
this.transUnits.push(newTu);
this.countNumbers();
return newTu;
}
else {
return null;
}
}
/**
* Create a new translation file for this file for a given language.
* Normally, this is just a copy of the original one.
* But for XMB the translation file has format 'XTB'.
* @param {?} lang Language code
* @param {?} filename expected filename to store file
* @param {?} isDefaultLang Flag, wether file contains the default language.
* Then source and target are just equal.
* The content will be copied.
* State will be final.
* @param {?} copyContent Flag, wether to copy content or leave it empty.
* Wben true, content will be copied from source.
* When false, content will be left empty (if it is not the default language).
* @return {?}
*/
createTranslationFileForLang(lang, filename, isDefaultLang, copyContent) {
/** @type {?} */
const translationFile = new Xliff2File(this.editedContent(), filename, this.encoding());
translationFile.setNewTransUnitTargetPraefix(this.targetPraefix);
translationFile.setNewTransUnitTargetSuffix(this.targetSuffix);
translationFile.setTargetLanguage(lang);
translationFile.forEachTransUnit((/**
* @param {?} transUnit
* @return {?}
*/
(transUnit) => {
((/** @type {?} */ (transUnit))).useSourceAsTarget(isDefaultLang, copyContent);
}));
return translationFile;
}
}
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{format} from 'util';\r\nimport {ITranslationMessagesFile} from '../api/i-translation-messages-file';\r\nimport {ITransUnit} from '../api/i-trans-unit';\r\nimport {FORMAT_XLIFF20, FILETYPE_XLIFF20} from '../api/constants';\r\nimport {DOMUtilities} from './dom-utilities';\r\nimport {Xliff2TransUnit} from './xliff2-trans-unit';\r\nimport {AbstractTranslationMessagesFile} from './abstract-translation-messages-file';\r\nimport {AbstractTransUnit} from './abstract-trans-unit';\r\n/**\r\n * Created by martin on 04.05.2017.\r\n * An XLIFF 2.0 file read from a source file.\r\n * Format definition is: http://docs.oasis-open.org/xliff/xliff-core/v2.0/os/xliff-core-v2.0-os.html\r\n *\r\n * Defines some relevant get and set method for reading and modifying such a file.\r\n */\r\n\r\nexport class Xliff2File extends AbstractTranslationMessagesFile implements ITranslationMessagesFile {\r\n\r\n    /**\r\n     * Create an XLIFF 2.0-File from source.\r\n     * @param xmlString source read from file.\r\n     * @param path Path to file\r\n     * @param encoding optional encoding of the xml.\r\n     * This is read from the file, but if you know it before, you can avoid reading the file twice.\r\n     * @return xliff file\r\n     */\r\n    constructor(xmlString: string, path: string, encoding: string) {\r\n        super();\r\n        this._warnings = [];\r\n        this._numberOfTransUnitsWithMissingId = 0;\r\n        this.initializeFromContent(xmlString, path, encoding);\r\n    }\r\n\r\n    private initializeFromContent(xmlString: string, path: string, encoding: string): Xliff2File {\r\n        this.parseContent(xmlString, path, encoding);\r\n        const xliffList = this._parsedDocument.getElementsByTagName('xliff');\r\n        if (xliffList.length !== 1) {\r\n            throw new Error(format('File \"%s\" seems to be no xliff file (should contain an xliff element)', path));\r\n        } else {\r\n            const version = xliffList.item(0).getAttribute('version');\r\n            const expectedVersion = '2.0';\r\n            if (version !== expectedVersion) {\r\n                throw new Error(format('File \"%s\" seems to be no xliff 2 file, version should be %s, found %s',\r\n                    path, expectedVersion, version));\r\n            }\r\n        }\r\n        return this;\r\n    }\r\n\r\n    /**\r\n     * File format as it is used in config files.\r\n     * Currently 'xlf', 'xmb', 'xmb2'\r\n     * Returns one of the constants FORMAT_..\r\n     */\r\n    public i18nFormat(): string {\r\n        return FORMAT_XLIFF20;\r\n    }\r\n\r\n    /**\r\n     * File type.\r\n     * Here 'XLIFF 2.0'\r\n     */\r\n    public fileType(): string {\r\n        return FILETYPE_XLIFF20;\r\n    }\r\n\r\n    /**\r\n     * return tag names of all elements that have mixed content.\r\n     * These elements will not be beautified.\r\n     * Typical candidates are source and target.\r\n     */\r\n    protected elementsWithMixedContent(): string[] {\r\n        return ['skeleton', 'note', 'data', 'source', 'target', 'pc', 'mrk'];\r\n    }\r\n\r\n    protected initializeTransUnits() {\r\n        this.transUnits = [];\r\n        const transUnitsInFile = this._parsedDocument.getElementsByTagName('unit');\r\n        for (let i = 0; i < transUnitsInFile.length; i++) {\r\n            const transunit = transUnitsInFile.item(i);\r\n            const id = transunit.getAttribute('id');\r\n            if (!id) {\r\n                this._warnings.push(format('oops, trans-unit without \"id\" found in master, please check file %s', this._filename));\r\n            }\r\n            this.transUnits.push(new Xliff2TransUnit(transunit, id, this));\r\n        }\r\n    }\r\n\r\n    /**\r\n     * Get source language.\r\n     * @return source language.\r\n     */\r\n    public sourceLanguage(): string {\r\n        const xliffElem = DOMUtilities.getFirstElementByTagName(this._parsedDocument, 'xliff');\r\n        if (xliffElem) {\r\n            return xliffElem.getAttribute('srcLang');\r\n        } else {\r\n            return null;\r\n        }\r\n    }\r\n\r\n    /**\r\n     * Edit the source language.\r\n     * @param language language\r\n     */\r\n    public setSourceLanguage(language: string) {\r\n        const xliffElem = DOMUtilities.getFirstElementByTagName(this._parsedDocument, 'xliff');\r\n        if (xliffElem) {\r\n            xliffElem.setAttribute('srcLang', language);\r\n        }\r\n    }\r\n\r\n    /**\r\n     * Get target language.\r\n     * @return target language.\r\n     */\r\n    public targetLanguage(): string {\r\n        const xliffElem = DOMUtilities.getFirstElementByTagName(this._parsedDocument, 'xliff');\r\n        if (xliffElem) {\r\n            return xliffElem.getAttribute('trgLang');\r\n        } else {\r\n            return null;\r\n        }\r\n    }\r\n\r\n    /**\r\n     * Edit the target language.\r\n     * @param language language\r\n     */\r\n    public setTargetLanguage(language: string) {\r\n        const xliffElem = DOMUtilities.getFirstElementByTagName(this._parsedDocument, 'xliff');\r\n        if (xliffElem) {\r\n            xliffElem.setAttribute('trgLang', language);\r\n        }\r\n    }\r\n\r\n    /**\r\n     * Add a new trans-unit to this file.\r\n     * The trans unit stems from another file.\r\n     * It copies the source content of the tu to the target content too,\r\n     * depending on the values of isDefaultLang and copyContent.\r\n     * So the source can be used as a dummy translation.\r\n     * (used by xliffmerge)\r\n     * @param foreignTransUnit the trans unit to be imported.\r\n     * @param isDefaultLang Flag, wether file contains the default language.\r\n     * Then source and target are just equal.\r\n     * The content will be copied.\r\n     * State will be final.\r\n     * @param copyContent Flag, wether to copy content or leave it empty.\r\n     * Wben true, content will be copied from source.\r\n     * When false, content will be left empty (if it is not the default language).\r\n     * @param importAfterElement optional (since 1.10) other transunit (part of this file), that should be used as ancestor.\r\n     * Newly imported trans unit is then inserted directly after this element.\r\n     * If not set or not part of this file, new unit will be imported at the end.\r\n     * If explicity set to null, new unit will be imported at the start.\r\n     * @return the newly imported trans unit (since version 1.7.0)\r\n     * @throws an error if trans-unit with same id already is in the file.\r\n     */\r\n    importNewTransUnit(foreignTransUnit: ITransUnit, isDefaultLang: boolean, copyContent: boolean, importAfterElement?: ITransUnit)\r\n        : ITransUnit {\r\n        if (this.transUnitWithId(foreignTransUnit.id)) {\r\n            throw new Error(format('tu with id %s already exists in file, cannot import it', foreignTransUnit.id));\r\n        }\r\n        const newTu = (<AbstractTransUnit> foreignTransUnit).cloneWithSourceAsTarget(isDefaultLang, copyContent, this);\r\n        const fileElement = DOMUtilities.getFirstElementByTagName(this._parsedDocument, 'file');\r\n        if (!fileElement) {\r\n            throw new Error(format('File \"%s\" seems to be no xliff 2.0 file (should contain a file element)', this._filename));\r\n        }\r\n        let inserted = false;\r\n        let isAfterElementPartOfFile = false;\r\n        if (!!importAfterElement) {\r\n            const insertionPoint = this.transUnitWithId(importAfterElement.id);\r\n            if (!!insertionPoint) {\r\n                isAfterElementPartOfFile = true;\r\n            }\r\n        }\r\n        if (importAfterElement === undefined || (importAfterElement && !isAfterElementPartOfFile)) {\r\n            fileElement.appendChild(newTu.asXmlElement());\r\n            inserted = true;\r\n        } else if (importAfterElement === null) {\r\n            const firstUnitElement = DOMUtilities.getFirstElementByTagName(this._parsedDocument, 'unit');\r\n            if (firstUnitElement) {\r\n                DOMUtilities.insertBefore(newTu.asXmlElement(), firstUnitElement);\r\n                inserted = true;\r\n            } else {\r\n                // no trans-unit, empty file, so add to first file element\r\n                fileElement.appendChild(newTu.asXmlElement());\r\n                inserted = true;\r\n            }\r\n        } else {\r\n            const refUnitElement = DOMUtilities.getElementByTagNameAndId(this._parsedDocument, 'unit', importAfterElement.id);\r\n            if (refUnitElement) {\r\n                DOMUtilities.insertAfter(newTu.asXmlElement(), refUnitElement);\r\n                inserted = true;\r\n            }\r\n        }\r\n        if (inserted) {\r\n            this.lazyInitializeTransUnits();\r\n            this.transUnits.push(newTu);\r\n            this.countNumbers();\r\n            return newTu;\r\n        } else {\r\n            return null;\r\n        }\r\n    }\r\n\r\n    /**\r\n     * Create a new translation file for this file for a given language.\r\n     * Normally, this is just a copy of the original one.\r\n     * But for XMB the translation file has format 'XTB'.\r\n     * @param lang Language code\r\n     * @param filename expected filename to store file\r\n     * @param isDefaultLang Flag, wether file contains the default language.\r\n     * Then source and target are just equal.\r\n     * The content will be copied.\r\n     * State will be final.\r\n     * @param copyContent Flag, wether to copy content or leave it empty.\r\n     * Wben true, content will be copied from source.\r\n     * When false, content will be left empty (if it is not the default language).\r\n     */\r\n    public createTranslationFileForLang(lang: string, filename: string, isDefaultLang: boolean, copyContent: boolean)\r\n        : ITranslationMessagesFile {\r\n        const translationFile = new Xliff2File(this.editedContent(), filename, this.encoding());\r\n        translationFile.setNewTransUnitTargetPraefix(this.targetPraefix);\r\n        translationFile.setNewTransUnitTargetSuffix(this.targetSuffix);\r\n        translationFile.setTargetLanguage(lang);\r\n        translationFile.forEachTransUnit((transUnit: ITransUnit) => {\r\n            (<AbstractTransUnit> transUnit).useSourceAsTarget(isDefaultLang, copyContent);\r\n        });\r\n        return translationFile;\r\n    }\r\n}\r\n"]}