default implementation of TopHitProvider (initial)

platform/platform-impl/src/com/intellij/platform/DefaultPlatformTopHitProvider.java

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+/*
+ * Copyright 2000-2013 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.intellij.platform;
+
+import com.intellij.ide.SearchTopHitProvider;
+import com.intellij.openapi.actionSystem.ActionManager;
+import com.intellij.openapi.util.text.StringUtil;
+import com.intellij.util.Consumer;
+
+/**
+ * @author Konstantin Bulenkov
+ */
+public class DefaultPlatformTopHitProvider implements SearchTopHitProvider {
+  private static final String[][] ACTION_MATRIX = {
+    {"op", "open ", "OpenFile", "$LRU"},
+    {"reo", "reopen ", "$LRU"},
+  };
+  @Override
+  public void consumeTopHits(String pattern, Consumer<Object> collector) {
+    final ActionManager actionManager = ActionManager.getInstance();
+    for (String[] strings : ACTION_MATRIX) {
+      if (StringUtil.isBetween(pattern, strings[0], strings[1])) {
+        for (int i = 2; i < strings.length; i++) {
+          collector.consume(actionManager.getAction(strings[i]));
+        }
+      }
+    }
+  }
+}