Rollback 'analyze Dart in Html'.

editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/html/HtmlAnalyzeHelper.java

Index: editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/html/HtmlAnalyzeHelper.java
diff --git a/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/html/HtmlAnalyzeHelper.java b/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/html/HtmlAnalyzeHelper.java
deleted file mode 100644
index 5fa154e44864926b5ad96522d0b93a1208d5c755..0000000000000000000000000000000000000000
--- a/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/html/HtmlAnalyzeHelper.java
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright 2012 Dart project authors.
- * 
- * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
- * in compliance with the License. You may obtain a copy of the License at
- * 
- * http://www.eclipse.org/legal/epl-v10.html
- * 
- * Unless required by applicable law or agreed to in writing, software distributed under the License
- * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
- * or implied. See the License for the specific language governing permissions and limitations under
- * the License.
- */
-
-package com.google.dart.tools.core.html;
-
-import com.google.common.base.CharMatcher;
-import com.google.common.base.Charsets;
-import com.google.common.collect.Maps;
-import com.google.common.io.Files;
-import com.google.dart.tools.core.DartCore;
-import com.google.dart.tools.core.analysis.AnalysisServer;
-import com.google.dart.tools.core.internal.model.PackageLibraryManagerProvider;
-
-import org.eclipse.core.resources.IFile;
-
-import java.io.File;
-import java.util.Map;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-/**
- * Helper class to analyze Dart code inside of HTML files.
- */
-public class HtmlAnalyzeHelper {
-  private static final Map<File, File> dartToHtmlMap = Maps.newConcurrentMap();
-
-  /**
-   * This method should be called from builder to notify that HTML file was changed and should be
-   * analyzed. Note that this is long operation, don't call it from UI thread.
-   */
-  public static void analyze(IFile htmlResource) {
-    File htmlFile = htmlResource.getLocation().toFile();
-    try {
-      htmlResource.deleteMarkers(DartCore.DART_PROBLEM_MARKER_TYPE, true, 1);
-      analyzeEx(htmlFile);
-    } catch (Throwable e) {
-      DartCore.logError(e);
-    }
-  }
-
-  /**
-   * @return the HTML {@link File} from which given Dart {@link File} was generated, may be same
-   *         {@link File} if it was not generated from HTML.
-   */
-  public static File getSourceHtmlFile(File dartFile) {
-    File htmlFile = dartToHtmlMap.get(dartFile);
-    if (htmlFile != null) {
-      return htmlFile;
-    }
-    return dartFile;
-
-  }
-
-  /**
-   * Implementation of {@link #analyze(IFile)} which can throw exceptions.
-   */
-  private static void analyzeEx(File htmlFile) throws Exception {
-    String content = Files.toString(htmlFile, Charsets.UTF_8);
-    // extract <script type="application/dart"> scripts
-    int searchStart = 0;
-    Pattern pattern = Pattern.compile("\\<\\s*script\\s+type=['\"]application/dart['\"]\\s*\\>\\s*(.*)");
-    Matcher matcher = pattern.matcher(content);
-    while (true) {
-      // find next script
-      if (!matcher.find(searchStart)) {
-        break;
-      }
-      // prepare script start/end
-      int scriptStart = matcher.start(1);
-      int scriptEnd = content.indexOf("</script>", scriptStart);
-      if (scriptEnd == -1) {
-        break;
-      }
-      searchStart = scriptEnd;
-      // extract script
-      String script = content.substring(scriptStart, scriptEnd);
-      // prepare prefix to place script at the same line/offset as it was in HTML
-      String scriptPrefix;
-      {
-        String contentPrefix = content.substring(0, scriptStart);
-        scriptPrefix = CharMatcher.anyOf("\r\n").negate().replaceFrom(contentPrefix, ' ');
-      }
-      // create temporary File with Dart code
-      File scriptFile = File.createTempFile("dartInHtml", ".dart");
-      Files.write(scriptPrefix + script, scriptFile, Charsets.UTF_8);
-      dartToHtmlMap.put(scriptFile, htmlFile);
-      // ask AnalysisServer to analyze Dart file
-      {
-        AnalysisServer server = PackageLibraryManagerProvider.getDefaultAnalysisServer();
-        server.getSavedContext().resolve(scriptFile, 30 * 1000);
-        // clean up
-        scriptFile.delete();
-        // in theory, we should remove mapping, but practically it may be requested later
-//        dartToHtmlMap.remove(scriptFile);
-      }
-    }
-  }
-
-}