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Implement 'registerFoldingRangeProvider' Languages API
Signed-off-by: Oleksii Kurinnyi <okurinny@redhat.com>
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/******************************************************************************** | ||
* Copyright (C) 2018 Red Hat, Inc. and others. | ||
* | ||
* This program and the accompanying materials are made available under the | ||
* terms of the Eclipse Public License v. 2.0 which is available at | ||
* http://www.eclipse.org/legal/epl-2.0. | ||
* | ||
* This Source Code may also be made available under the following Secondary | ||
* Licenses when the conditions for such availability set forth in the Eclipse | ||
* Public License v. 2.0 are satisfied: GNU General Public License, version 2 | ||
* with the GNU Classpath Exception which is available at | ||
* https://www.gnu.org/software/classpath/license.html. | ||
* | ||
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 | ||
********************************************************************************/ | ||
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import * as theia from '@theia/plugin'; | ||
import { DocumentsExtImpl } from '@theia/plugin-ext/src/plugin/documents'; | ||
import URI from 'vscode-uri/lib/umd'; | ||
import * as Converter from '../type-converters'; | ||
import * as model from '../../api/model'; | ||
import { createToken } from '../token-provider'; | ||
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export class FoldingProviderAdapter { | ||
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constructor( | ||
private readonly provider: theia.FoldingRangeProvider, | ||
private readonly documents: DocumentsExtImpl | ||
) { } | ||
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provideFoldingRanges(resource: URI, context: model.FoldingContext): Promise<model.FoldingRange[] | undefined> { | ||
const document = this.documents.getDocumentData(resource); | ||
if (!document) { | ||
return Promise.reject(new Error(`There are no document for ${resource}`)); | ||
} | ||
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const doc = document.document; | ||
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return Promise.resolve(this.provider.provideFoldingRanges(doc, context, createToken())).then(ranges => { | ||
if (!Array.isArray(ranges)) { | ||
return undefined; | ||
} | ||
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return ranges.map(Converter.fromFoldingRange); | ||
}); | ||
} | ||
} |
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