Index: pkg/path/lib/src/style/windows.dart |
diff --git a/pkg/path/lib/src/style/windows.dart b/pkg/path/lib/src/style/windows.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..1750578e3590b718d6c5cb5a12891d244a588ade |
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+++ b/pkg/path/lib/src/style/windows.dart |
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+// Copyright (c) 2013, 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 path.style.windows; |
+ |
+import '../parsed_path.dart'; |
+import '../style.dart'; |
+ |
+/// The style for Windows paths. |
+class WindowsStyle extends Style { |
+ WindowsStyle(); |
+ |
+ final name = 'windows'; |
+ final separator = '\\'; |
+ final separatorPattern = new RegExp(r'[/\\]'); |
+ final needsSeparatorPattern = new RegExp(r'[^/\\]$'); |
+ final rootPattern = new RegExp(r'^(\\\\[^\\]+\\[^\\/]+|[a-zA-Z]:[/\\])'); |
+ final relativeRootPattern = new RegExp(r"^[/\\](?![/\\])"); |
+ |
+ String pathFromUri(Uri uri) { |
+ if (uri.scheme != '' && uri.scheme != 'file') { |
+ throw new ArgumentError("Uri $uri must have scheme 'file:'."); |
+ } |
+ |
+ var path = uri.path; |
+ if (uri.host == '') { |
+ // Drive-letter paths look like "file:///C:/path/to/file". The |
+ // replaceFirst removes the extra initial slash. |
+ if (path.startsWith('/')) path = path.replaceFirst("/", ""); |
+ } else { |
+ // Network paths look like "file://hostname/path/to/file". |
+ path = '\\\\${uri.host}$path'; |
+ } |
+ return Uri.decodeComponent(path.replaceAll("/", "\\")); |
+ } |
+ |
+ Uri absolutePathToUri(String path) { |
+ var parsed = new ParsedPath.parse(path, this); |
+ if (parsed.root.startsWith(r'\\')) { |
+ // Network paths become "file://server/share/path/to/file". |
+ |
+ // The root is of the form "\\server\share". We want "server" to be the |
+ // URI host, and "share" to be the first element of the path. |
+ var rootParts = parsed.root.split('\\').where((part) => part != ''); |
+ parsed.parts.insert(0, rootParts.last); |
+ |
+ if (parsed.hasTrailingSeparator) { |
+ // If the path has a trailing slash, add a single empty component so the |
+ // URI has a trailing slash as well. |
+ parsed.parts.add(""); |
+ } |
+ |
+ return new Uri(scheme: 'file', host: rootParts.first, |
+ pathSegments: parsed.parts); |
+ } else { |
+ // Drive-letter paths become "file:///C:/path/to/file". |
+ |
+ // If the path is a bare root (e.g. "C:\"), [parsed.parts] will currently |
+ // be empty. We add an empty component so the URL constructor produces |
+ // "file:///C:/", with a trailing slash. We also add an empty component if |
+ // the URL otherwise has a trailing slash. |
+ if (parsed.parts.length == 0 || parsed.hasTrailingSeparator) { |
+ parsed.parts.add(""); |
+ } |
+ |
+ // Get rid of the trailing "\" in "C:\" because the URI constructor will |
+ // add a separator on its own. |
+ parsed.parts.insert(0, parsed.root.replaceAll(separatorPattern, "")); |
+ |
+ return new Uri(scheme: 'file', pathSegments: parsed.parts); |
+ } |
+ } |
+} |