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| 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. |
| 4 |
| 5 import 'dart:collection'; |
| 6 |
| 7 import 'package:source_span/source_span.dart'; |
| 8 import 'package:yaml/yaml.dart'; |
| 9 |
| 10 PSEntry _findEntry(YamlMap map, String key) { |
| 11 PSEntry entry; |
| 12 map.nodes.forEach((k, v) { |
| 13 if (k is YamlScalar && key == k.toString()) { |
| 14 entry = _processScalar(k, v); |
| 15 } |
| 16 }); |
| 17 return entry; |
| 18 } |
| 19 |
| 20 PSDependencyList _processDependencies(YamlScalar key, YamlNode v) { |
| 21 if (v is! YamlMap) { |
| 22 return null; |
| 23 } |
| 24 YamlMap depsMap = v; |
| 25 |
| 26 _PSDependencyList deps = new _PSDependencyList(new _PSNode(key)); |
| 27 depsMap.nodes.forEach((k, v) => deps.add(new _PSDependency(k, v))); |
| 28 return deps; |
| 29 } |
| 30 |
| 31 PSGitRepo _processGitRepo(YamlScalar key, YamlNode v) { |
| 32 if (v is! YamlMap) { |
| 33 return null; |
| 34 } |
| 35 YamlMap hostMap = v; |
| 36 // url: git://github.com/munificent/kittens.git |
| 37 // ref: some-branch |
| 38 _PSGitRepo repo = new _PSGitRepo(); |
| 39 repo.token = new _PSNode(key); |
| 40 repo.ref = _findEntry(hostMap, 'ref'); |
| 41 repo.url = _findEntry(hostMap, 'url'); |
| 42 return repo; |
| 43 } |
| 44 |
| 45 PSHost _processHost(YamlScalar key, YamlNode v) { |
| 46 if (v is! YamlMap) { |
| 47 return null; |
| 48 } |
| 49 YamlMap hostMap = v; |
| 50 // name: transmogrify |
| 51 // url: http://your-package-server.com |
| 52 _PSHost host = new _PSHost(); |
| 53 host.token = new _PSNode(key); |
| 54 host.name = _findEntry(hostMap, 'name'); |
| 55 host.url = _findEntry(hostMap, 'url'); |
| 56 return host; |
| 57 } |
| 58 |
| 59 PSNodeList _processList(YamlScalar key, YamlNode v) { |
| 60 if (v is! YamlList) { |
| 61 return null; |
| 62 } |
| 63 YamlList nodeList = v; |
| 64 |
| 65 return new _PSNodeList( |
| 66 new _PSNode(key), nodeList.nodes.map((n) => new _PSNode(n))); |
| 67 } |
| 68 |
| 69 PSEntry _processScalar(YamlScalar key, YamlNode value) { |
| 70 if (value is! YamlScalar) { |
| 71 return null; |
| 72 //WARN? |
| 73 } |
| 74 return new PSEntry(new _PSNode(key), new _PSNode(value)); |
| 75 } |
| 76 |
| 77 abstract class PSDependency { |
| 78 PSGitRepo get git; |
| 79 PSHost get host; |
| 80 PSNode get name; |
| 81 PSEntry get version; |
| 82 } |
| 83 |
| 84 abstract class PSDependencyList extends Object |
| 85 with IterableMixin<PSDependency> {} |
| 86 |
| 87 class PSEntry { |
| 88 final PSNode key; |
| 89 final PSNode value; |
| 90 PSEntry(this.key, this.value); |
| 91 |
| 92 @override |
| 93 String toString() => '${key != null ? (key.toString() + ': ') : ''}$value'; |
| 94 } |
| 95 |
| 96 abstract class PSGitRepo { |
| 97 PSEntry get ref; |
| 98 PSNode get token; |
| 99 PSEntry get url; |
| 100 } |
| 101 |
| 102 abstract class PSHost { |
| 103 PSEntry get name; |
| 104 PSNode get token; |
| 105 PSEntry get url; |
| 106 } |
| 107 |
| 108 abstract class PSNode { |
| 109 SourceSpan get span; |
| 110 String get text; |
| 111 } |
| 112 |
| 113 abstract class PSNodeList extends Object with IterableMixin<PSNode> { |
| 114 @override |
| 115 Iterator<PSNode> get iterator; |
| 116 PSNode get token; |
| 117 } |
| 118 |
| 119 abstract class Pubspec { |
| 120 factory Pubspec.parse(String source, {Uri sourceUrl}) => |
| 121 new _Pubspec(source, sourceUrl: sourceUrl); |
| 122 PSEntry get author; |
| 123 PSNodeList get authors; |
| 124 PSDependencyList get dependencies; |
| 125 PSEntry get description; |
| 126 PSDependencyList get devDependencies; |
| 127 PSEntry get documentation; |
| 128 PSEntry get homepage; |
| 129 PSEntry get name; |
| 130 PSEntry get version; |
| 131 accept(PubspecVisitor visitor); |
| 132 } |
| 133 |
| 134 abstract class PubspecVisitor<T> { |
| 135 T visitPackageAuthor(PSEntry author) => null; |
| 136 T visitPackageAuthors(PSNodeList authors) => null; |
| 137 T visitPackageDependencies(PSDependencyList dependencies) => null; |
| 138 T visitPackageDependency(PSDependency dependency) => null; |
| 139 T visitPackageDescription(PSEntry description) => null; |
| 140 T visitPackageDevDependencies(PSDependencyList dependencies) => null; |
| 141 T visitPackageDevDependency(PSDependency dependency) => null; |
| 142 T visitPackageDocumentation(PSEntry documentation) => null; |
| 143 T visitPackageHomepage(PSEntry homepage) => null; |
| 144 T visitPackageName(PSEntry name) => null; |
| 145 T visitPackageVersion(PSEntry version) => null; |
| 146 } |
| 147 |
| 148 class _PSDependency extends PSDependency { |
| 149 @override |
| 150 PSNode name; |
| 151 @override |
| 152 PSEntry version; |
| 153 @override |
| 154 PSHost host; |
| 155 @override |
| 156 PSGitRepo git; |
| 157 |
| 158 factory _PSDependency(dynamic k, YamlNode v) { |
| 159 if (k is! YamlScalar) { |
| 160 return null; |
| 161 } |
| 162 YamlScalar key = k; |
| 163 |
| 164 _PSDependency dep = new _PSDependency._(); |
| 165 |
| 166 dep.name = new _PSNode(key); |
| 167 |
| 168 if (v is YamlScalar) { |
| 169 // Simple version |
| 170 dep.version = new PSEntry(null, new _PSNode(v)); |
| 171 } else if (v is YamlMap) { |
| 172 // hosted: |
| 173 // name: transmogrify |
| 174 // url: http://your-package-server.com |
| 175 // version: '>=0.4.0 <1.0.0' |
| 176 YamlMap details = v; |
| 177 details.nodes.forEach((k, v) { |
| 178 if (k is! YamlScalar) { |
| 179 return; |
| 180 } |
| 181 YamlScalar key = k; |
| 182 switch (key.toString()) { |
| 183 case 'version': |
| 184 dep.version = _processScalar(key, v); |
| 185 break; |
| 186 case 'hosted': |
| 187 dep.host = _processHost(key, v); |
| 188 break; |
| 189 case 'git': |
| 190 dep.git = _processGitRepo(key, v); |
| 191 break; |
| 192 } |
| 193 }); |
| 194 } |
| 195 return dep; |
| 196 } |
| 197 |
| 198 _PSDependency._(); |
| 199 |
| 200 @override |
| 201 String toString() { |
| 202 var sb = new StringBuffer(); |
| 203 if (name != null) { |
| 204 sb.write('$name:'); |
| 205 } |
| 206 var versionInfo = ''; |
| 207 if (version != null) { |
| 208 if (version.key == null) { |
| 209 versionInfo = ' $version'; |
| 210 } else { |
| 211 versionInfo = '\n $version'; |
| 212 } |
| 213 } |
| 214 sb.writeln(versionInfo); |
| 215 if (host != null) { |
| 216 sb.writeln(host); |
| 217 } |
| 218 if (git != null) { |
| 219 sb.writeln(git); |
| 220 } |
| 221 return sb.toString(); |
| 222 } |
| 223 } |
| 224 |
| 225 class _PSDependencyList extends PSDependencyList { |
| 226 final dependencies = <PSDependency>[]; |
| 227 final PSNode token; |
| 228 |
| 229 _PSDependencyList(this.token); |
| 230 |
| 231 @override |
| 232 Iterator<PSDependency> get iterator => dependencies.iterator; |
| 233 |
| 234 add(PSDependency dependency) { |
| 235 if (dependency != null) { |
| 236 dependencies.add(dependency); |
| 237 } |
| 238 } |
| 239 |
| 240 @override |
| 241 String toString() => '$token\n${dependencies.join(' ')}'; |
| 242 } |
| 243 |
| 244 class _PSGitRepo implements PSGitRepo { |
| 245 @override |
| 246 PSNode token; |
| 247 @override |
| 248 PSEntry ref; |
| 249 @override |
| 250 PSEntry url; |
| 251 @override |
| 252 String toString() => ''' |
| 253 $token: |
| 254 $url |
| 255 $ref'''; |
| 256 } |
| 257 |
| 258 class _PSHost implements PSHost { |
| 259 @override |
| 260 PSNode token; |
| 261 @override |
| 262 PSEntry name; |
| 263 @override |
| 264 PSEntry url; |
| 265 @override |
| 266 String toString() => ''' |
| 267 $token: |
| 268 $name |
| 269 $url'''; |
| 270 } |
| 271 |
| 272 class _PSNode implements PSNode { |
| 273 @override |
| 274 final String text; |
| 275 @override |
| 276 final SourceSpan span; |
| 277 |
| 278 _PSNode(YamlNode node) |
| 279 : text = node.value?.toString(), |
| 280 span = node.span; |
| 281 |
| 282 @override |
| 283 String toString() => '$text'; |
| 284 } |
| 285 |
| 286 class _PSNodeList extends PSNodeList { |
| 287 @override |
| 288 final PSNode token; |
| 289 final Iterable<PSNode> nodes; |
| 290 |
| 291 _PSNodeList(this.token, this.nodes); |
| 292 |
| 293 @override |
| 294 Iterator<PSNode> get iterator => nodes.iterator; |
| 295 |
| 296 @override |
| 297 String toString() => ''' |
| 298 $token: |
| 299 - ${nodes.join('\n - ')}'''; |
| 300 } |
| 301 |
| 302 class _Pubspec implements Pubspec { |
| 303 @override |
| 304 PSEntry author; |
| 305 @override |
| 306 PSNodeList authors; |
| 307 @override |
| 308 PSEntry description; |
| 309 @override |
| 310 PSEntry documentation; |
| 311 @override |
| 312 PSEntry homepage; |
| 313 @override |
| 314 PSEntry name; |
| 315 @override |
| 316 PSEntry version; |
| 317 @override |
| 318 PSDependencyList dependencies; |
| 319 @override |
| 320 PSDependencyList devDependencies; |
| 321 |
| 322 _Pubspec(String src, {Uri sourceUrl}) { |
| 323 try { |
| 324 _parse(src, sourceUrl: sourceUrl); |
| 325 } on Exception { |
| 326 // ignore |
| 327 } |
| 328 } |
| 329 |
| 330 @override |
| 331 void accept(PubspecVisitor visitor) { |
| 332 if (author != null) { |
| 333 visitor.visitPackageAuthor(author); |
| 334 } |
| 335 if (authors != null) { |
| 336 visitor.visitPackageAuthors(authors); |
| 337 } |
| 338 if (description != null) { |
| 339 visitor.visitPackageDescription(description); |
| 340 } |
| 341 if (documentation != null) { |
| 342 visitor.visitPackageDocumentation(documentation); |
| 343 } |
| 344 if (homepage != null) { |
| 345 visitor.visitPackageHomepage(homepage); |
| 346 } |
| 347 if (name != null) { |
| 348 visitor.visitPackageName(name); |
| 349 } |
| 350 if (version != null) { |
| 351 visitor.visitPackageVersion(version); |
| 352 } |
| 353 if (dependencies != null) { |
| 354 visitor.visitPackageDependencies(dependencies); |
| 355 dependencies.forEach((d) => visitor.visitPackageDependency(d)); |
| 356 } |
| 357 if (devDependencies != null) { |
| 358 visitor.visitPackageDevDependencies(devDependencies); |
| 359 devDependencies.forEach((d) => visitor.visitPackageDevDependency(d)); |
| 360 } |
| 361 } |
| 362 |
| 363 @override |
| 364 String toString() { |
| 365 var sb = new _StringBuilder(); |
| 366 sb.writelin(name); |
| 367 sb.writelin(version); |
| 368 sb.writelin(author); |
| 369 sb.writelin(authors); |
| 370 sb.writelin(description); |
| 371 sb.writelin(homepage); |
| 372 sb.writelin(dependencies); |
| 373 sb.writelin(devDependencies); |
| 374 return sb.toString(); |
| 375 } |
| 376 |
| 377 _parse(String src, {Uri sourceUrl}) { |
| 378 var yaml = loadYamlNode(src, sourceUrl: sourceUrl); |
| 379 if (yaml is! YamlMap) { |
| 380 return; |
| 381 } |
| 382 YamlMap yamlMap = yaml; |
| 383 yamlMap.nodes.forEach((k, v) { |
| 384 if (k is! YamlScalar) { |
| 385 return; |
| 386 } |
| 387 YamlScalar key = k; |
| 388 switch (key.toString()) { |
| 389 case 'author': |
| 390 author = _processScalar(key, v); |
| 391 break; |
| 392 case 'authors': |
| 393 authors = _processList(key, v); |
| 394 break; |
| 395 case 'homepage': |
| 396 homepage = _processScalar(key, v); |
| 397 break; |
| 398 case 'name': |
| 399 name = _processScalar(key, v); |
| 400 break; |
| 401 case 'description': |
| 402 description = _processScalar(key, v); |
| 403 break; |
| 404 case 'documentation': |
| 405 documentation = _processScalar(key, v); |
| 406 break; |
| 407 case 'dependencies': |
| 408 dependencies = _processDependencies(key, v); |
| 409 break; |
| 410 case 'dev_dependencies': |
| 411 devDependencies = _processDependencies(key, v); |
| 412 break; |
| 413 case 'version': |
| 414 version = _processScalar(key, v); |
| 415 break; |
| 416 } |
| 417 }); |
| 418 } |
| 419 } |
| 420 |
| 421 class _StringBuilder { |
| 422 StringBuffer buffer = new StringBuffer(); |
| 423 @override |
| 424 String toString() => buffer.toString(); |
| 425 writelin(Object value) { |
| 426 if (value != null) { |
| 427 buffer.writeln(value); |
| 428 } |
| 429 } |
| 430 } |
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