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node_modules/yaml-language-server/lib/esm/languageservice/utils/documentPositionCalculator.js
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56
node_modules/yaml-language-server/lib/esm/languageservice/utils/documentPositionCalculator.js
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Red Hat, Inc. All rights reserved.
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import { Position } from 'vscode-languageserver-types';
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export function insertionPointReturnValue(pt) {
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return -pt - 1;
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}
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export function binarySearch(array, sought) {
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let lower = 0;
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let upper = array.length - 1;
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while (lower <= upper) {
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const idx = Math.floor((lower + upper) / 2);
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const value = array[idx];
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if (value === sought) {
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return idx;
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}
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if (lower === upper) {
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const insertionPoint = value < sought ? idx + 1 : idx;
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return insertionPointReturnValue(insertionPoint);
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}
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if (sought > value) {
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lower = idx + 1;
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}
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else if (sought < value) {
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upper = idx - 1;
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}
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}
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}
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export function getLineStartPositions(text) {
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const lineStartPositions = [0];
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for (let i = 0; i < text.length; i++) {
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const c = text[i];
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if (c === '\r') {
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// Check for Windows encoding, otherwise we are old Mac
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if (i + 1 < text.length && text[i + 1] === '\n') {
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i++;
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}
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lineStartPositions.push(i + 1);
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}
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else if (c === '\n') {
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lineStartPositions.push(i + 1);
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}
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}
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return lineStartPositions;
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}
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export function getPosition(pos, lineStartPositions) {
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let line = binarySearch(lineStartPositions, pos);
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if (line < 0) {
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const insertionPoint = -1 * line - 1;
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line = insertionPoint - 1;
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}
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return Position.create(line, pos - lineStartPositions[line]);
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}
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//# sourceMappingURL=documentPositionCalculator.js.map
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