/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Red Hat, Inc. All rights reserved.
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define(["require", "exports", "vscode-languageserver-types"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.getPosition = exports.getLineStartPositions = exports.binarySearch = exports.insertionPointReturnValue = void 0;
    const vscode_languageserver_types_1 = require("vscode-languageserver-types");
    function insertionPointReturnValue(pt) {
        return -pt - 1;
    }
    exports.insertionPointReturnValue = insertionPointReturnValue;
    function binarySearch(array, sought) {
        let lower = 0;
        let upper = array.length - 1;
        while (lower <= upper) {
            const idx = Math.floor((lower + upper) / 2);
            const value = array[idx];
            if (value === sought) {
                return idx;
            }
            if (lower === upper) {
                const insertionPoint = value < sought ? idx + 1 : idx;
                return insertionPointReturnValue(insertionPoint);
            }
            if (sought > value) {
                lower = idx + 1;
            }
            else if (sought < value) {
                upper = idx - 1;
            }
        }
    }
    exports.binarySearch = binarySearch;
    function getLineStartPositions(text) {
        const lineStartPositions = [0];
        for (let i = 0; i < text.length; i++) {
            const c = text[i];
            if (c === '\r') {
                // Check for Windows encoding, otherwise we are old Mac
                if (i + 1 < text.length && text[i + 1] === '\n') {
                    i++;
                }
                lineStartPositions.push(i + 1);
            }
            else if (c === '\n') {
                lineStartPositions.push(i + 1);
            }
        }
        return lineStartPositions;
    }
    exports.getLineStartPositions = getLineStartPositions;
    function getPosition(pos, lineStartPositions) {
        let line = binarySearch(lineStartPositions, pos);
        if (line < 0) {
            const insertionPoint = -1 * line - 1;
            line = insertionPoint - 1;
        }
        return vscode_languageserver_types_1.Position.create(line, pos - lineStartPositions[line]);
    }
    exports.getPosition = getPosition;
});
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