71 lines
2.3 KiB
TypeScript
71 lines
2.3 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {MissingTranslationStrategy, ɵConsole as Console} from '@angular/core';
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import {HtmlParser} from '../ml_parser/html_parser';
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import {DEFAULT_INTERPOLATION_CONFIG, InterpolationConfig} from '../ml_parser/interpolation_config';
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import {ParseTreeResult} from '../ml_parser/parser';
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import {mergeTranslations} from './extractor_merger';
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import {Serializer} from './serializers/serializer';
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import {Xliff} from './serializers/xliff';
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import {Xmb} from './serializers/xmb';
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import {Xtb} from './serializers/xtb';
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import {TranslationBundle} from './translation_bundle';
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export class I18NHtmlParser implements HtmlParser {
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// @override
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getTagDefinition: any;
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private _translationBundle: TranslationBundle;
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constructor(
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private _htmlParser: HtmlParser, translations?: string, translationsFormat?: string,
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missingTranslation: MissingTranslationStrategy = MissingTranslationStrategy.Warning,
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console?: Console) {
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if (translations) {
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const serializer = createSerializer(translationsFormat);
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this._translationBundle =
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TranslationBundle.load(translations, 'i18n', serializer, missingTranslation, console);
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}
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}
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parse(
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source: string, url: string, parseExpansionForms: boolean = false,
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interpolationConfig: InterpolationConfig = DEFAULT_INTERPOLATION_CONFIG): ParseTreeResult {
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const parseResult =
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this._htmlParser.parse(source, url, parseExpansionForms, interpolationConfig);
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if (!this._translationBundle) {
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// Do not enable i18n when no translation bundle is provided
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return parseResult;
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}
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if (parseResult.errors.length) {
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return new ParseTreeResult(parseResult.rootNodes, parseResult.errors);
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}
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return mergeTranslations(
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parseResult.rootNodes, this._translationBundle, interpolationConfig, [], {});
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}
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}
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function createSerializer(format?: string): Serializer {
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format = (format || 'xlf').toLowerCase();
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switch (format) {
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case 'xmb':
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return new Xmb();
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case 'xtb':
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return new Xtb();
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case 'xliff':
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case 'xlf':
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default:
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return new Xliff();
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}
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}
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