PNG  IHDR;IDATxܻn0K )(pA 7LeG{ §㻢|ذaÆ 6lذaÆ 6lذaÆ 6lom$^yذag5bÆ 6lذaÆ 6lذa{ 6lذaÆ `}HFkm,mӪôô! x|'ܢ˟;E:9&ᶒ}{v]n&6 h_tڠ͵-ҫZ;Z$.Pkž)!o>}leQfJTu іچ\X=8Rن4`Vwl>nG^is"ms$ui?wbs[m6K4O.4%/bC%t Mז -lG6mrz2s%9s@-k9=)kB5\+͂Zsٲ Rn~GRC wIcIn7jJhۛNCS|j08yiHKֶۛkɈ+;SzL/F*\Ԕ#"5m2[S=gnaPeғL lذaÆ 6l^ḵaÆ 6lذaÆ 6lذa; _ذaÆ 6lذaÆ 6lذaÆ RIENDB` var adoptBuffer = require('./adopt-buffer'); var isBOM = require('../tokenizer').isBOM; var N = 10; var F = 12; var R = 13; function computeLinesAndColumns(host, source) { var sourceLength = source.length; var lines = adoptBuffer(host.lines, sourceLength); // +1 var line = host.startLine; var columns = adoptBuffer(host.columns, sourceLength); var column = host.startColumn; var startOffset = source.length > 0 ? isBOM(source.charCodeAt(0)) : 0; for (var i = startOffset; i < sourceLength; i++) { // -1 var code = source.charCodeAt(i); lines[i] = line; columns[i] = column++; if (code === N || code === R || code === F) { if (code === R && i + 1 < sourceLength && source.charCodeAt(i + 1) === N) { i++; lines[i] = line; columns[i] = column; } line++; column = 1; } } lines[i] = line; columns[i] = column; host.lines = lines; host.columns = columns; } var OffsetToLocation = function() { this.lines = null; this.columns = null; this.linesAndColumnsComputed = false; }; OffsetToLocation.prototype = { setSource: function(source, startOffset, startLine, startColumn) { this.source = source; this.startOffset = typeof startOffset === 'undefined' ? 0 : startOffset; this.startLine = typeof startLine === 'undefined' ? 1 : startLine; this.startColumn = typeof startColumn === 'undefined' ? 1 : startColumn; this.linesAndColumnsComputed = false; }, ensureLinesAndColumnsComputed: function() { if (!this.linesAndColumnsComputed) { computeLinesAndColumns(this, this.source); this.linesAndColumnsComputed = true; } }, getLocation: function(offset, filename) { this.ensureLinesAndColumnsComputed(); return { source: filename, offset: this.startOffset + offset, line: this.lines[offset], column: this.columns[offset] }; }, getLocationRange: function(start, end, filename) { this.ensureLinesAndColumnsComputed(); return { source: filename, start: { offset: this.startOffset + start, line: this.lines[start], column: this.columns[start] }, end: { offset: this.startOffset + end, line: this.lines[end], column: this.columns[end] } }; } }; module.exports = OffsetToLocation;