Linter Demo

Errors: 0

Warnings: 17

File: /home/fstrocco/Dart/dart/benchmark/linter/lib/src/pub.dart

// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file // for details. All rights reserved. Use of this source code is governed by a // BSD-style license that can be found in the LICENSE file. library linter.src.pub; import 'dart:collection'; import 'package:source_span/source_span.dart'; import 'package:yaml/yaml.dart'; PSEntry _findEntry(YamlMap map, String key) { PSEntry entry = null; map.nodes.forEach((k, v) { if (k is YamlScalar && key == k.toString()) { entry = _processScalar(k, v); } }); return entry; } PSDependencyList _processDependencies(YamlScalar key, YamlNode v) { if (v is! YamlMap) { return null; } YamlMap depsMap = v; _PSDependencyList deps = new _PSDependencyList(new _PSNode(key)); depsMap.nodes.forEach((k, v) => deps.add(new _PSDependency(k, v))); return deps; } PSGitRepo _processGitRepo(YamlScalar key, YamlNode v) { if (v is! YamlMap) { return null; } YamlMap hostMap = v; // url: git://github.com/munificent/kittens.git // ref: some-branch _PSGitRepo repo = new _PSGitRepo(); repo.token = new _PSNode(key); repo.ref = _findEntry(hostMap, 'ref'); repo.url = _findEntry(hostMap, 'url'); return repo; } PSHost _processHost(YamlScalar key, YamlNode v) { if (v is! YamlMap) { return null; } YamlMap hostMap = v; // name: transmogrify // url: http://your-package-server.com _PSHost host = new _PSHost(); host.token = new _PSNode(key); host.name = _findEntry(hostMap, 'name'); host.url = _findEntry(hostMap, 'url'); return host; } PSNodeList _processList(YamlScalar key, YamlNode v) { if (v is! YamlList) { return null; } YamlList nodeList = v; return new _PSNodeList( new _PSNode(key), nodeList.nodes.map((n) => new _PSNode(n))); } PSEntry _processScalar(YamlScalar key, YamlNode value) { if (value is! YamlScalar) { return null; //WARN? } return new PSEntry(new _PSNode(key), new _PSNode(value)); } abstract class PSDependency { PSGitRepo get git; PSHost get host; PSNode get name; PSEntry get version; } abstract class PSDependencyList extends Object with IterableMixin<PSDependency> {} class PSEntry { final PSNode key; final PSNode value; PSEntry(this.key, this.value); @override String toString() => '${key != null ? (key.toString() + ': ') : ''}$value'; } abstract class PSGitRepo { PSEntry get ref; PSNode get token; PSEntry get url; } abstract class PSHost { PSEntry get name; PSNode get token; PSEntry get url; } abstract class PSNode { SourceSpan get span; String get text; } abstract class PSNodeList extends Object with IterableMixin<PSNode> { @override Iterator<PSNode> get iterator; PSNode get token; } abstract class Pubspec { factory Pubspec.parse(String source, {Uri sourceUrl}) => new _Pubspec(source, sourceUrl: sourceUrl); PSEntry get author; PSNodeList get authors; PSDependencyList get dependencies; PSEntry get description; PSDependencyList get devDependencies; PSEntry get documentation; PSEntry get homepage; PSEntry get name; PSEntry get version; accept(PubspecVisitor visitor); } abstract class PubspecVisitor<T> { T visitPackageAuthor(PSEntry author) => null; T visitPackageAuthors(PSNodeList authors) => null; T visitPackageDependencies(PSDependencyList dependencies) => null; T visitPackageDependency(PSDependency dependency) => null; T visitPackageDescription(PSEntry description) => null; T visitPackageDevDependencies(PSDependencyList dependencies) => null; T visitPackageDevDependency(PSDependency dependency) => null; T visitPackageDocumentation(PSEntry documentation) => null; T visitPackageHomepage(PSEntry homepage) => null; T visitPackageName(PSEntry name) => null; T visitPackageVersion(PSEntry version) => null; } class _PSDependency extends PSDependency { PSNode name; PSEntry version; PSHost host; PSGitRepo git; factory _PSDependency(dynamic k, YamlNode v) { if (k is! YamlScalar) { return null; } YamlScalar key = k; _PSDependency dep = new _PSDependency._(); dep.name = new _PSNode(key); if (v is YamlScalar) { // Simple version dep.version = new PSEntry(null, new _PSNode(v)); } else if (v is YamlMap) { // hosted: // name: transmogrify // url: http://your-package-server.com // version: '>=0.4.0 <1.0.0' YamlMap details = v; details.nodes.forEach((k, v) { if (k is! YamlScalar) { return; } YamlScalar key = k; switch (key.toString()) { case 'version': dep.version = _processScalar(key, v); break; case 'hosted': dep.host = _processHost(key, v); break; case 'git': dep.git = _processGitRepo(key, v); break; } }); } return dep; } _PSDependency._(); @override String toString() { var sb = new StringBuffer(); if (name != null) { sb.write('$name:'); } var versionInfo = ''; if (version != null) { if (version.key == null) { versionInfo = ' $version'; } else { versionInfo = '\n $version'; } } sb.writeln(versionInfo); if (host != null) { sb.writeln(host); } if (git != null) { sb.writeln(git); } return sb.toString(); } } class _PSDependencyList extends PSDependencyList { final dependencies = <PSDependency>[]; final PSNode token; _PSDependencyList(this.token); @override Iterator<PSDependency> get iterator => dependencies.iterator; add(PSDependency dependency) { if (dependency != null) { dependencies.add(dependency); } } @override String toString() => '$token\n${dependencies.join(' ')}'; } class _PSGitRepo implements PSGitRepo { PSNode token; PSEntry ref; PSEntry url; @override String toString() => ''' $token: $url $ref'''; } class _PSHost implements PSHost { PSNode token; PSEntry name; PSEntry url; @override String toString() => ''' $token: $name $url'''; } class _PSNode implements PSNode { final String text; final SourceSpan span; _PSNode(YamlNode node) : text = node.value == null ? null : node.value.toString(), span = node.span; @override String toString() => '$text'; } class _PSNodeList extends PSNodeList { final PSNode token; final Iterable<PSNode> nodes; _PSNodeList(this.token, this.nodes); @override Iterator<PSNode> get iterator => nodes.iterator; @override String toString() => ''' $token: - ${nodes.join('\n - ')}'''; } class _Pubspec implements Pubspec { PSEntry author; PSNodeList authors; PSEntry description; PSEntry documentation; PSEntry homepage; PSEntry name; PSEntry version; PSDependencyList dependencies; PSDependencyList devDependencies; _Pubspec(String src, {Uri sourceUrl}) { try { _parse(src, sourceUrl: sourceUrl); } on Exception { // ignore } } void accept(PubspecVisitor visitor) { if (author != null) { visitor.visitPackageAuthor(author); } if (authors != null) { visitor.visitPackageAuthors(authors); } if (description != null) { visitor.visitPackageDescription(description); } if (documentation != null) { visitor.visitPackageDocumentation(documentation); } if (homepage != null) { visitor.visitPackageHomepage(homepage); } if (name != null) { visitor.visitPackageName(name); } if (version != null) { visitor.visitPackageVersion(version); } if (dependencies != null) { visitor.visitPackageDependencies(dependencies); dependencies.forEach((d) => visitor.visitPackageDependency(d)); } if (devDependencies != null) { visitor.visitPackageDevDependencies(devDependencies); devDependencies.forEach((d) => visitor.visitPackageDevDependency(d)); } } @override String toString() { var sb = new _StringBuilder(); sb.writelin(name); sb.writelin(version); sb.writelin(author); sb.writelin(authors); sb.writelin(description); sb.writelin(homepage); sb.writelin(dependencies); sb.writelin(devDependencies); return sb.toString(); } _parse(String src, {Uri sourceUrl}) { var yaml = loadYamlNode(src, sourceUrl: sourceUrl); if (yaml is! YamlMap) { return; } YamlMap yamlMap = yaml; yamlMap.nodes.forEach((k, v) { if (k is! YamlScalar) { return; } YamlScalar key = k; switch (key.toString()) { case 'author': author = _processScalar(key, v); break; case 'authors': authors = _processList(key, v); break; case 'homepage': homepage = _processScalar(key, v); break; case 'name': name = _processScalar(key, v); break; case 'description': description = _processScalar(key, v); break; case 'documentation': documentation = _processScalar(key, v); break; case 'dependencies': dependencies = _processDependencies(key, v); break; case 'dev_dependencies': devDependencies = _processDependencies(key, v); break; case 'version': version = _processScalar(key, v); break; } }); } } class _StringBuilder { StringBuffer buffer = new StringBuffer(); @override String toString() => buffer.toString(); writelin(Object value) { if (value != null) { buffer.writeln(value); } } }