292 lines
12 KiB
JavaScript
292 lines
12 KiB
JavaScript
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var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
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if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
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if (ar || !(i in from)) {
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if (!ar) ar = Array.prototype.slice.call(from, 0, i);
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ar[i] = from[i];
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}
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}
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return to.concat(ar || Array.prototype.slice.call(from));
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};
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(function (factory) {
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if (typeof module === "object" && typeof module.exports === "object") {
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var v = factory(require, exports);
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if (v !== undefined) module.exports = v;
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}
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else if (typeof define === "function" && define.amd) {
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define(["require", "exports"], factory);
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}
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})(function (require, exports) {
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/* --------------------------------------------------------------------------------------------
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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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'use strict';
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.TextDocument = void 0;
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var FullTextDocument = /** @class */ (function () {
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function FullTextDocument(uri, languageId, version, content) {
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this._uri = uri;
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this._languageId = languageId;
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this._version = version;
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this._content = content;
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this._lineOffsets = undefined;
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}
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Object.defineProperty(FullTextDocument.prototype, "uri", {
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get: function () {
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return this._uri;
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},
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enumerable: false,
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configurable: true
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});
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Object.defineProperty(FullTextDocument.prototype, "languageId", {
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get: function () {
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return this._languageId;
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},
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enumerable: false,
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configurable: true
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});
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Object.defineProperty(FullTextDocument.prototype, "version", {
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get: function () {
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return this._version;
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},
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enumerable: false,
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configurable: true
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});
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FullTextDocument.prototype.getText = function (range) {
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if (range) {
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var start = this.offsetAt(range.start);
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var end = this.offsetAt(range.end);
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return this._content.substring(start, end);
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}
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return this._content;
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};
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FullTextDocument.prototype.update = function (changes, version) {
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for (var _i = 0, changes_1 = changes; _i < changes_1.length; _i++) {
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var change = changes_1[_i];
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if (FullTextDocument.isIncremental(change)) {
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// makes sure start is before end
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var range = getWellformedRange(change.range);
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// update content
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var startOffset = this.offsetAt(range.start);
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var endOffset = this.offsetAt(range.end);
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this._content = this._content.substring(0, startOffset) + change.text + this._content.substring(endOffset, this._content.length);
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// update the offsets
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var startLine = Math.max(range.start.line, 0);
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var endLine = Math.max(range.end.line, 0);
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var lineOffsets = this._lineOffsets;
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var addedLineOffsets = computeLineOffsets(change.text, false, startOffset);
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if (endLine - startLine === addedLineOffsets.length) {
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for (var i = 0, len = addedLineOffsets.length; i < len; i++) {
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lineOffsets[i + startLine + 1] = addedLineOffsets[i];
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}
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}
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else {
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if (addedLineOffsets.length < 10000) {
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lineOffsets.splice.apply(lineOffsets, __spreadArray([startLine + 1, endLine - startLine], addedLineOffsets, false));
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}
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else { // avoid too many arguments for splice
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this._lineOffsets = lineOffsets = lineOffsets.slice(0, startLine + 1).concat(addedLineOffsets, lineOffsets.slice(endLine + 1));
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}
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}
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var diff = change.text.length - (endOffset - startOffset);
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if (diff !== 0) {
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for (var i = startLine + 1 + addedLineOffsets.length, len = lineOffsets.length; i < len; i++) {
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lineOffsets[i] = lineOffsets[i] + diff;
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}
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}
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}
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else if (FullTextDocument.isFull(change)) {
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this._content = change.text;
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this._lineOffsets = undefined;
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}
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else {
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throw new Error('Unknown change event received');
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}
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}
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this._version = version;
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};
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FullTextDocument.prototype.getLineOffsets = function () {
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if (this._lineOffsets === undefined) {
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this._lineOffsets = computeLineOffsets(this._content, true);
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}
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return this._lineOffsets;
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};
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FullTextDocument.prototype.positionAt = function (offset) {
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offset = Math.max(Math.min(offset, this._content.length), 0);
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var lineOffsets = this.getLineOffsets();
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var low = 0, high = lineOffsets.length;
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if (high === 0) {
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return { line: 0, character: offset };
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}
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while (low < high) {
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var mid = Math.floor((low + high) / 2);
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if (lineOffsets[mid] > offset) {
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high = mid;
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}
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else {
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low = mid + 1;
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}
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}
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// low is the least x for which the line offset is larger than the current offset
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// or array.length if no line offset is larger than the current offset
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var line = low - 1;
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return { line: line, character: offset - lineOffsets[line] };
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};
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FullTextDocument.prototype.offsetAt = function (position) {
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var lineOffsets = this.getLineOffsets();
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if (position.line >= lineOffsets.length) {
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return this._content.length;
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}
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else if (position.line < 0) {
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return 0;
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}
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var lineOffset = lineOffsets[position.line];
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var nextLineOffset = (position.line + 1 < lineOffsets.length) ? lineOffsets[position.line + 1] : this._content.length;
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return Math.max(Math.min(lineOffset + position.character, nextLineOffset), lineOffset);
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};
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Object.defineProperty(FullTextDocument.prototype, "lineCount", {
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get: function () {
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return this.getLineOffsets().length;
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},
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enumerable: false,
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configurable: true
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});
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FullTextDocument.isIncremental = function (event) {
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var candidate = event;
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return candidate !== undefined && candidate !== null &&
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typeof candidate.text === 'string' && candidate.range !== undefined &&
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(candidate.rangeLength === undefined || typeof candidate.rangeLength === 'number');
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};
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FullTextDocument.isFull = function (event) {
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var candidate = event;
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return candidate !== undefined && candidate !== null &&
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typeof candidate.text === 'string' && candidate.range === undefined && candidate.rangeLength === undefined;
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};
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return FullTextDocument;
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}());
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var TextDocument;
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(function (TextDocument) {
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/**
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* Creates a new text document.
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*
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* @param uri The document's uri.
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* @param languageId The document's language Id.
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* @param version The document's initial version number.
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* @param content The document's content.
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*/
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function create(uri, languageId, version, content) {
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return new FullTextDocument(uri, languageId, version, content);
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}
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TextDocument.create = create;
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/**
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* Updates a TextDocument by modifying its content.
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*
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* @param document the document to update. Only documents created by TextDocument.create are valid inputs.
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* @param changes the changes to apply to the document.
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* @param version the changes version for the document.
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* @returns The updated TextDocument. Note: That's the same document instance passed in as first parameter.
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*
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*/
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function update(document, changes, version) {
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if (document instanceof FullTextDocument) {
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document.update(changes, version);
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return document;
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}
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else {
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throw new Error('TextDocument.update: document must be created by TextDocument.create');
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}
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}
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TextDocument.update = update;
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function applyEdits(document, edits) {
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var text = document.getText();
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var sortedEdits = mergeSort(edits.map(getWellformedEdit), function (a, b) {
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var diff = a.range.start.line - b.range.start.line;
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if (diff === 0) {
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return a.range.start.character - b.range.start.character;
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}
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return diff;
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});
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var lastModifiedOffset = 0;
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var spans = [];
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for (var _i = 0, sortedEdits_1 = sortedEdits; _i < sortedEdits_1.length; _i++) {
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var e = sortedEdits_1[_i];
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var startOffset = document.offsetAt(e.range.start);
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if (startOffset < lastModifiedOffset) {
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throw new Error('Overlapping edit');
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}
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else if (startOffset > lastModifiedOffset) {
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spans.push(text.substring(lastModifiedOffset, startOffset));
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}
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if (e.newText.length) {
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spans.push(e.newText);
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}
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lastModifiedOffset = document.offsetAt(e.range.end);
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}
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spans.push(text.substr(lastModifiedOffset));
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return spans.join('');
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}
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TextDocument.applyEdits = applyEdits;
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})(TextDocument = exports.TextDocument || (exports.TextDocument = {}));
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function mergeSort(data, compare) {
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if (data.length <= 1) {
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// sorted
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return data;
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}
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var p = (data.length / 2) | 0;
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var left = data.slice(0, p);
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var right = data.slice(p);
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mergeSort(left, compare);
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mergeSort(right, compare);
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var leftIdx = 0;
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var rightIdx = 0;
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var i = 0;
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while (leftIdx < left.length && rightIdx < right.length) {
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var ret = compare(left[leftIdx], right[rightIdx]);
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if (ret <= 0) {
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// smaller_equal -> take left to preserve order
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data[i++] = left[leftIdx++];
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}
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else {
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// greater -> take right
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data[i++] = right[rightIdx++];
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}
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}
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while (leftIdx < left.length) {
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data[i++] = left[leftIdx++];
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}
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while (rightIdx < right.length) {
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data[i++] = right[rightIdx++];
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}
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return data;
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}
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function computeLineOffsets(text, isAtLineStart, textOffset) {
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if (textOffset === void 0) { textOffset = 0; }
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var result = isAtLineStart ? [textOffset] : [];
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for (var i = 0; i < text.length; i++) {
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var ch = text.charCodeAt(i);
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if (ch === 13 /* CharCode.CarriageReturn */ || ch === 10 /* CharCode.LineFeed */) {
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if (ch === 13 /* CharCode.CarriageReturn */ && i + 1 < text.length && text.charCodeAt(i + 1) === 10 /* CharCode.LineFeed */) {
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i++;
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}
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result.push(textOffset + i + 1);
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}
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}
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return result;
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}
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function getWellformedRange(range) {
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var start = range.start;
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var end = range.end;
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if (start.line > end.line || (start.line === end.line && start.character > end.character)) {
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return { start: end, end: start };
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}
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return range;
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}
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function getWellformedEdit(textEdit) {
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var range = getWellformedRange(textEdit.range);
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if (range !== textEdit.range) {
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return { newText: textEdit.newText, range: range };
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}
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return textEdit;
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}
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});
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