change the way we find package name from pubspec.yaml file

editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/utilities/yaml/PubYamlUtils.java

Index: editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/utilities/yaml/PubYamlUtils.java
===================================================================
--- editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/utilities/yaml/PubYamlUtils.java	(revision 17022)
+++ editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/utilities/yaml/PubYamlUtils.java	(working copy)
@@ -38,6 +38,8 @@
 import java.util.LinkedHashSet;
 import java.util.Map;
 import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 /**
  * Utility class for using Snake YAML parser and other yaml utility methods
@@ -92,6 +94,8 @@
     }
   }
 
+  public static String PATTERN_PUBSPEC_NAME_LINE = "(?m)^(?:(?!--|').|'(?:''|[^'])*')*(name:.*)$";
+
   /**
    * Return a yaml string for the given {@link PubYamlObject}
    * 
@@ -154,6 +158,23 @@
   }
 
   /**
+   * Return the name of the package as specified in pubspec.yaml (name: sample)
+   * 
+   * @param contents string contents of the pubspec.yaml file
+   * @return String package name
+   */
+  public static String getPubspecName(String contents) {
+    Matcher m = Pattern.compile(PubYamlUtils.PATTERN_PUBSPEC_NAME_LINE).matcher(contents);
+    if (m.find()) {
+      String[] strings = m.group(1).split(":");
+      if (strings.length == 2) {
+        return strings[1].replaceAll(" ", "");
+      }
+    }
+    return null;
+  }
+
+  /**
    * Parse the pubspec.yaml string contents to an Map
    */
   @SuppressWarnings("unchecked")
@@ -183,7 +204,6 @@
       DartCore.logError(e);
       return null;
     }
-
   }
 
 }