[6a3a178] | 1 | "use strict";
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[e29cc2e] | 2 | exports.__esModule = true;
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| 3 | exports.LinesAndColumns = void 0;
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[6a3a178] | 4 | var LF = '\n';
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| 5 | var CR = '\r';
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[e29cc2e] | 6 | var LinesAndColumns = /** @class */ (function () {
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[6a3a178] | 7 | function LinesAndColumns(string) {
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| 8 | this.string = string;
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| 9 | var offsets = [0];
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| 10 | for (var offset = 0; offset < string.length;) {
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| 11 | switch (string[offset]) {
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| 12 | case LF:
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| 13 | offset += LF.length;
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| 14 | offsets.push(offset);
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| 15 | break;
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| 16 | case CR:
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| 17 | offset += CR.length;
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| 18 | if (string[offset] === LF) {
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| 19 | offset += LF.length;
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| 20 | }
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| 21 | offsets.push(offset);
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| 22 | break;
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| 23 | default:
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| 24 | offset++;
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| 25 | break;
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| 26 | }
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| 27 | }
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| 28 | this.offsets = offsets;
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| 29 | }
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| 30 | LinesAndColumns.prototype.locationForIndex = function (index) {
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| 31 | if (index < 0 || index > this.string.length) {
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| 32 | return null;
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| 33 | }
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| 34 | var line = 0;
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| 35 | var offsets = this.offsets;
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| 36 | while (offsets[line + 1] <= index) {
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| 37 | line++;
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| 38 | }
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| 39 | var column = index - offsets[line];
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| 40 | return { line: line, column: column };
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| 41 | };
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| 42 | LinesAndColumns.prototype.indexForLocation = function (location) {
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| 43 | var line = location.line, column = location.column;
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| 44 | if (line < 0 || line >= this.offsets.length) {
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| 45 | return null;
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| 46 | }
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| 47 | if (column < 0 || column > this.lengthOfLine(line)) {
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| 48 | return null;
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| 49 | }
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| 50 | return this.offsets[line] + column;
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| 51 | };
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| 52 | LinesAndColumns.prototype.lengthOfLine = function (line) {
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| 53 | var offset = this.offsets[line];
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[e29cc2e] | 54 | var nextOffset = line === this.offsets.length - 1
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| 55 | ? this.string.length
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| 56 | : this.offsets[line + 1];
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[6a3a178] | 57 | return nextOffset - offset;
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| 58 | };
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| 59 | return LinesAndColumns;
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| 60 | }());
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[e29cc2e] | 61 | exports.LinesAndColumns = LinesAndColumns;
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[6a3a178] | 62 | exports["default"] = LinesAndColumns;
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