You cannot 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
JavaScript
63 lines
2.0 KiB
JavaScript
"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;
|