You can not select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
		
			
		
			
				
					63 lines
				
				2.0 KiB
			
		
		
			
		
	
	
					63 lines
				
				2.0 KiB
			| 
								 
											3 years ago
										 
									 | 
							
								"use strict";
							 | 
						||
| 
								 | 
							
								exports.__esModule = true;
							 | 
						||
| 
								 | 
							
								exports.LinesAndColumns = void 0;
							 | 
						||
| 
								 | 
							
								var LF = '\n';
							 | 
						||
| 
								 | 
							
								var CR = '\r';
							 | 
						||
| 
								 | 
							
								var LinesAndColumns = /** @class */ (function () {
							 | 
						||
| 
								 | 
							
								    function LinesAndColumns(string) {
							 | 
						||
| 
								 | 
							
								        this.string = string;
							 | 
						||
| 
								 | 
							
								        var offsets = [0];
							 | 
						||
| 
								 | 
							
								        for (var offset = 0; offset < string.length;) {
							 | 
						||
| 
								 | 
							
								            switch (string[offset]) {
							 | 
						||
| 
								 | 
							
								                case LF:
							 | 
						||
| 
								 | 
							
								                    offset += LF.length;
							 | 
						||
| 
								 | 
							
								                    offsets.push(offset);
							 | 
						||
| 
								 | 
							
								                    break;
							 | 
						||
| 
								 | 
							
								                case CR:
							 | 
						||
| 
								 | 
							
								                    offset += CR.length;
							 | 
						||
| 
								 | 
							
								                    if (string[offset] === LF) {
							 | 
						||
| 
								 | 
							
								                        offset += LF.length;
							 | 
						||
| 
								 | 
							
								                    }
							 | 
						||
| 
								 | 
							
								                    offsets.push(offset);
							 | 
						||
| 
								 | 
							
								                    break;
							 | 
						||
| 
								 | 
							
								                default:
							 | 
						||
| 
								 | 
							
								                    offset++;
							 | 
						||
| 
								 | 
							
								                    break;
							 | 
						||
| 
								 | 
							
								            }
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								        this.offsets = offsets;
							 | 
						||
| 
								 | 
							
								    }
							 | 
						||
| 
								 | 
							
								    LinesAndColumns.prototype.locationForIndex = function (index) {
							 | 
						||
| 
								 | 
							
								        if (index < 0 || index > this.string.length) {
							 | 
						||
| 
								 | 
							
								            return null;
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								        var line = 0;
							 | 
						||
| 
								 | 
							
								        var offsets = this.offsets;
							 | 
						||
| 
								 | 
							
								        while (offsets[line + 1] <= index) {
							 | 
						||
| 
								 | 
							
								            line++;
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								        var column = index - offsets[line];
							 | 
						||
| 
								 | 
							
								        return { line: line, column: column };
							 | 
						||
| 
								 | 
							
								    };
							 | 
						||
| 
								 | 
							
								    LinesAndColumns.prototype.indexForLocation = function (location) {
							 | 
						||
| 
								 | 
							
								        var line = location.line, column = location.column;
							 | 
						||
| 
								 | 
							
								        if (line < 0 || line >= this.offsets.length) {
							 | 
						||
| 
								 | 
							
								            return null;
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								        if (column < 0 || column > this.lengthOfLine(line)) {
							 | 
						||
| 
								 | 
							
								            return null;
							 | 
						||
| 
								 | 
							
								        }
							 | 
						||
| 
								 | 
							
								        return this.offsets[line] + column;
							 | 
						||
| 
								 | 
							
								    };
							 | 
						||
| 
								 | 
							
								    LinesAndColumns.prototype.lengthOfLine = function (line) {
							 | 
						||
| 
								 | 
							
								        var offset = this.offsets[line];
							 | 
						||
| 
								 | 
							
								        var nextOffset = line === this.offsets.length - 1
							 | 
						||
| 
								 | 
							
								            ? this.string.length
							 | 
						||
| 
								 | 
							
								            : this.offsets[line + 1];
							 | 
						||
| 
								 | 
							
								        return nextOffset - offset;
							 | 
						||
| 
								 | 
							
								    };
							 | 
						||
| 
								 | 
							
								    return LinesAndColumns;
							 | 
						||
| 
								 | 
							
								}());
							 | 
						||
| 
								 | 
							
								exports.LinesAndColumns = LinesAndColumns;
							 | 
						||
| 
								 | 
							
								exports["default"] = LinesAndColumns;
							 |