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53 lines
1.6 KiB
53 lines
1.6 KiB
'use strict';
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import { TextDocument, TextEditor, Uri } from 'vscode';
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abstract class Comparer<T> {
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abstract equals(lhs: T, rhs: T): boolean;
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}
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class UriComparer extends Comparer<Uri> {
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equals(lhs: Uri, rhs: Uri) {
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if (!lhs && !rhs) return true;
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if ((lhs && !rhs) || (!lhs && rhs)) return false;
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return lhs.scheme === rhs.scheme && lhs.fsPath === rhs.fsPath;
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}
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}
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class TextDocumentComparer extends Comparer<TextDocument> {
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equals(lhs: TextDocument, rhs: TextDocument) {
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if (!lhs && !rhs) return true;
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if ((lhs && !rhs) || (!lhs && rhs)) return false;
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return uriComparer.equals(lhs.uri, rhs.uri);
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}
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}
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class TextEditorComparer extends Comparer<TextEditor> {
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equals(lhs: TextEditor, rhs: TextEditor, options: { useId: boolean, usePosition: boolean } = { useId: false, usePosition: false }) {
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if (!lhs && !rhs) return true;
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if ((lhs && !rhs) || (!lhs && rhs)) return false;
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if (options.usePosition && (lhs.viewColumn !== rhs.viewColumn)) return false;
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if (options.useId && (!lhs.document || !rhs.document)) {
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if ((lhs as any)._id !== (rhs as any)._id) return false;
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return true;
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}
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return textDocumentComparer.equals(lhs.document, rhs.document);
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}
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}
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const textDocumentComparer = new TextDocumentComparer();
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const textEditorComparer = new TextEditorComparer();
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const uriComparer = new UriComparer();
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export {
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textDocumentComparer as TextDocumentComparer,
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textEditorComparer as TextEditorComparer,
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uriComparer as UriComparer
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};
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