Linter Demo

Errors: 2

Warnings: 6

File: /home/fstrocco/Dart/dart/benchmark/koverage/lib/src/formatter.dart

library coverage.formatter; import 'dart:async'; import 'dart:io'; import 'resolver.dart'; abstract class Formatter { /// [pathFilter], if provided, is used to filter which files are included /// in the output. /// /// The paths in [reportOn], if provided, are used to filter the included /// files. Files are only included if their path starts with one of the /// values. /// /// [pathFilter] and [reportOn] cannot both be provided in a call to [format]. Future<String> format(Map hitmap, {List<String> reportOn, bool pathFilter(String path)}); } /// Converts the given hitmap to lcov format and appends the result to /// env.output. /// /// Returns a [Future] that completes as soon as all map entries have been /// emitted. class LcovFormatter implements Formatter { final Resolver resolver; LcovFormatter(this.resolver); Future<String> format(Map hitmap, {List<String> reportOn, bool pathFilter(String path)}) async { pathFilter = _getFilter(pathFilter, reportOn); var buf = new StringBuffer(); for (var key in hitmap.keys) { var v = hitmap[key]; var source = resolver.resolve(key); if (source == null) { continue; } if (!pathFilter(source)) { continue; } buf.write('SF:${source}\n'); v.keys.toList() ..sort() ..forEach((k) { buf.write('DA:${k},${v[k]}\n'); }); buf.write('end_of_record\n'); } return buf.toString(); } } /// Converts the given hitmap to a pretty-print format and appends the result /// to env.output. /// /// Returns a [Future] that completes as soon as all map entries have been /// emitted. class PrettyPrintFormatter implements Formatter { final Resolver resolver; final Loader loader; PrettyPrintFormatter(this.resolver, this.loader); Future<String> format(Map hitmap, {List<String> reportOn, bool pathFilter(String path)}) async { pathFilter = _getFilter(pathFilter, reportOn); var buf = new StringBuffer(); for (var key in hitmap.keys) { var v = hitmap[key]; var source = resolver.resolve(key); if (source == null) { continue; } if (!pathFilter(source)) { continue; } var lines = await loader.load(source); if (lines == null) { continue; } buf.writeln(source); for (var line = 1; line <= lines.length; line++) { var prefix = _prefix; if (v.containsKey(line)) { prefix = v[line].toString().padLeft(_prefix.length); } buf.writeln('${prefix}|${lines[line-1]}'); } } return buf.toString(); } } const _prefix = ' '; typedef bool _PathFilter(String path); bool _anyPathFilter(String input) => true; _PathFilter _getFilter(_PathFilter pathFilter, List<String> reportOn) { if (reportOn != null) { if (pathFilter != null) { throw new ArgumentError('Cannot provide both reportOn and pathFilter'); } var absolutePaths = reportOn.map((path) => new File(path).absolute.path).toList(); return (String path) => absolutePaths.any((item) => path.startsWith(item)); } if (pathFilter == null) { return _anyPathFilter; } return pathFilter; }