Autoformat tools/testing/dart

tools/testing/dart/path.dart

 // Copyright (c) 2012, 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 legacy_path;
 
 import 'dart:io';
 import 'dart:math';
 
 // TODO: Remove this class, and use the URI class for all path manipulation.
 class Path {
   final String _path;
   final bool isWindowsShare;
 
   Path(String source)
-      : _path = _clean(source), isWindowsShare = _isWindowsShare(source);
+      : _path = _clean(source),
+        isWindowsShare = _isWindowsShare(source);
 
-  Path.raw(String source) : _path = source, isWindowsShare = false;
+  Path.raw(String source)
+      : _path = source,
+        isWindowsShare = false;
 
   Path._internal(String this._path, bool this.isWindowsShare);
 
   static String _clean(String source) {
     if (Platform.operatingSystem == 'windows') return _cleanWindows(source);
     // Remove trailing slash from directories:
     if (source.length > 1 && source.endsWith('/')) {
       return source.substring(0, source.length - 1);
     }
     return source;
@@ skipping 22 matching lines @@
   bool get hasTrailingSeparator => _path.endsWith('/');
 
   String toString() => _path;
 
   Path relativeTo(Path base) {
     // Returns a path "relative" such that
     // base.join(relative) == this.canonicalize.
     // Throws exception if an impossible case is reached.
     if (base.isAbsolute != isAbsolute ||
         base.isWindowsShare != isWindowsShare) {
-      throw new ArgumentError(
-          "Invalid case of Path.relativeTo(base):\n"
+      throw new ArgumentError("Invalid case of Path.relativeTo(base):\n"
           "  Path and base must both be relative, or both absolute.\n"
           "  Arguments: $_path.relativeTo($base)");
     }
 
     var basePath = base.toString();
     // Handle drive letters specially on Windows.
     if (base.isAbsolute && Platform.operatingSystem == 'windows') {
       bool baseHasDrive =
           basePath.length >= 4 && basePath[2] == ':' && basePath[3] == '/';
       bool pathHasDrive =
           _path.length >= 4 && _path[2] == ':' && _path[3] == '/';
       if (baseHasDrive && pathHasDrive) {
-        int baseDrive = basePath.codeUnitAt(1) | 32;  // Convert to uppercase.
+        int baseDrive = basePath.codeUnitAt(1) | 32; // Convert to uppercase.
         if (baseDrive >= 'a'.codeUnitAt(0) &&
             baseDrive <= 'z'.codeUnitAt(0) &&
             baseDrive == (_path.codeUnitAt(1) | 32)) {
-          if(basePath[1] != _path[1]) {
+          if (basePath[1] != _path[1]) {
             // Replace the drive letter in basePath with that from _path.
             basePath = '/${_path[1]}:/${basePath.substring(4)}';
             base = new Path(basePath);
           }
         } else {
-          throw new ArgumentError(
-              "Invalid case of Path.relativeTo(base):\n"
+          throw new ArgumentError("Invalid case of Path.relativeTo(base):\n"
               "  Base path and target path are on different Windows drives.\n"
               "  Arguments: $_path.relativeTo($base)");
         }
       } else if (baseHasDrive != pathHasDrive) {
-        throw new ArgumentError(
-            "Invalid case of Path.relativeTo(base):\n"
+        throw new ArgumentError("Invalid case of Path.relativeTo(base):\n"
             "  Base path must start with a drive letter if and "
             "only if target path does.\n"
             "  Arguments: $_path.relativeTo($base)");
       }
-
     }
     if (_path.startsWith(basePath)) {
       if (_path == basePath) return new Path('.');
       // There must be a '/' at the end of the match, or immediately after.
       int matchEnd = basePath.length;
       if (_path[matchEnd - 1] == '/' || _path[matchEnd] == '/') {
         // Drop any extra '/' characters at matchEnd
         while (matchEnd < _path.length && _path[matchEnd] == '/') {
           matchEnd++;
         }
@@ skipping 10 matching lines @@
       pathSegments = [];
     }
     int common = 0;
     int length = min(pathSegments.length, baseSegments.length);
     while (common < length && pathSegments[common] == baseSegments[common]) {
       common++;
     }
     final segments = new List<String>();
 
     if (common < baseSegments.length && baseSegments[common] == '..') {
-      throw new ArgumentError(
-          "Invalid case of Path.relativeTo(base):\n"
+      throw new ArgumentError("Invalid case of Path.relativeTo(base):\n"
           "  Base path has more '..'s than path does.\n"
           "  Arguments: $_path.relativeTo($base)");
     }
     for (int i = common; i < baseSegments.length; i++) {
       segments.add('..');
     }
     for (int i = common; i < pathSegments.length; i++) {
       segments.add('${pathSegments[i]}');
     }
     if (segments.isEmpty) {
       segments.add('.');
     }
     if (hasTrailingSeparator) {
-        segments.add('');
+      segments.add('');
     }
     return new Path(segments.join('/'));
   }
 
-
   Path join(Path further) {
     if (further.isAbsolute) {
       throw new ArgumentError(
           "Path.join called with absolute Path as argument.");
     }
     if (isEmpty) {
       return further.canonicalize();
     }
     if (hasTrailingSeparator) {
       var joined = new Path._internal('$_path${further}', isWindowsShare);
       return joined.canonicalize();
     }
     var joined = new Path._internal('$_path/${further}', isWindowsShare);
     return joined.canonicalize();
   }
 
   // Note: The URI RFC names for canonicalize, join, and relativeTo
   // are normalize, resolve, and relativize.  But resolve and relativize
   // drop the last segment of the base path (the filename), on URIs.
   Path canonicalize() {
     if (isCanonical) return this;
     return makeCanonical();
   }
 
   bool get isCanonical {
     // Contains no consecutive path separators.
     // Contains no segments that are '.'.
     // Absolute paths have no segments that are '..'.
     // All '..' segments of a relative path are at the beginning.
-    if (isEmpty) return false;  // The canonical form of '' is '.'.
+    if (isEmpty) return false; // The canonical form of '' is '.'.
     if (_path == '.') return true;
-    List segs = _path.split('/');  // Don't mask the getter 'segments'.
-    if (segs[0] == '') {  // Absolute path
-      segs[0] = null;  // Faster than removeRange().
-    } else {  // A canonical relative path may start with .. segments.
-      for (int pos = 0;
-           pos < segs.length && segs[pos] == '..';
-           ++pos) {
+    List segs = _path.split('/'); // Don't mask the getter 'segments'.
+    if (segs[0] == '') {
+      // Absolute path
+      segs[0] = null; // Faster than removeRange().
+    } else {
+      // A canonical relative path may start with .. segments.
+      for (int pos = 0; pos < segs.length && segs[pos] == '..'; ++pos) {
         segs[pos] = null;
       }
     }
-    if (segs.last == '') segs.removeLast();  // Path ends with /.
+    if (segs.last == '') segs.removeLast(); // Path ends with /.
     // No remaining segments can be ., .., or empty.
     return !segs.any((s) => s == '' || s == '.' || s == '..');
   }
 
   Path makeCanonical() {
     bool isAbs = isAbsolute;
     List segs = segments();
     String drive;
-    if (isAbs &&
-        !segs.isEmpty &&
-        segs[0].length == 2 &&
-        segs[0][1] == ':') {
+    if (isAbs && !segs.isEmpty && segs[0].length == 2 && segs[0][1] == ':') {
       drive = segs[0];
       segs.removeRange(0, 1);
     }
     List newSegs = [];
     for (String segment in segs) {
       switch (segment) {
         case '..':
           // Absolute paths drop leading .. markers, including after a drive.
           if (newSegs.isEmpty) {
             if (isAbs) {
@@ skipping 95 matching lines @@
     while (pos > 0 && _path[pos - 1] == '/') --pos;
     var dirPath = (pos > 0) ? _path.substring(0, pos) : '/';
     return new Path._internal(dirPath, isWindowsShare);
   }
 
   String get filename {
     int pos = _path.lastIndexOf('/');
     return _path.substring(pos + 1);
   }
 }