1 files changed, 97 insertions, 0 deletions
diff --git a/platform/editor-ui-ex/src/com/intellij/psi/impl/search/LexerEditorHighlighterLexer.java b/platform/editor-ui-ex/src/com/intellij/psi/impl/search/LexerEditorHighlighterLexer.java
new file mode 100644
index 000000000000..a966d831b71a
--- /dev/null
+++ b/platform/editor-ui-ex/src/com/intellij/psi/impl/search/LexerEditorHighlighterLexer.java
@@ -0,0 +1,97 @@
+/*
+ * 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.psi.impl.search;
+
+import com.intellij.lexer.LexerBase;
+import com.intellij.openapi.editor.highlighter.EditorHighlighter;
+import com.intellij.openapi.editor.highlighter.HighlighterIterator;
+import com.intellij.psi.tree.IElementType;
+import com.intellij.util.text.CharSequenceSubSequence;
+import org.jetbrains.annotations.NotNull;
+
+/**
+* @author Sergey Evdokimov
+*/
+public class LexerEditorHighlighterLexer extends LexerBase {
+  private HighlighterIterator iterator;
+  private CharSequence buffer;
+  private int start;
+  private int end;
+  private final EditorHighlighter myHighlighter;
+  private final boolean myAlreadyInitializedHighlighter;
+
+  public LexerEditorHighlighterLexer(final EditorHighlighter highlighter, boolean alreadyInitializedHighlighter) {
+    myHighlighter = highlighter;
+    myAlreadyInitializedHighlighter = alreadyInitializedHighlighter;
+  }
+
+  @Override
+  public void start(@NotNull CharSequence buffer, int startOffset, int endOffset, int state) {
+    if (myAlreadyInitializedHighlighter) {
+      this.buffer = buffer;
+      start = startOffset;
+      end = endOffset;
+    } else {
+      myHighlighter.setText(new CharSequenceSubSequence(this.buffer = buffer, start = startOffset, end = endOffset));
+    }
+    iterator = myHighlighter.createIterator(0);
+  }
+
+  public void resetPosition(int offset) {
+    iterator = myHighlighter.createIterator(offset);
+  }
+
+  @Override
+  public int getState() {
+    return 0;
+  }
+
+  @Override
+  public IElementType getTokenType() {
+    if (iterator.atEnd()) return null;
+    return iterator.getTokenType();
+  }
+
+  @Override
+  public int getTokenStart() {
+    return iterator.getStart();
+  }
+
+  @Override
+  public int getTokenEnd() {
+    return iterator.getEnd();
+  }
+
+  @Override
+  public void advance() {
+    iterator.advance();
+  }
+
+  @NotNull
+  @Override
+  public CharSequence getBufferSequence() {
+    return buffer;
+  }
+
+  @Override
+  public int getBufferEnd() {
+    return end;
+  }
+
+  public HighlighterIterator getHighlighterIterator() {
+    return iterator;
+  }
+}