1 files changed, 59 insertions, 0 deletions
diff --git a/platform/core-impl/src/com/intellij/psi/impl/source/tree/injected/CommentLiteralEscaper.java b/platform/core-impl/src/com/intellij/psi/impl/source/tree/injected/CommentLiteralEscaper.java
new file mode 100644
index 000000000000..3374a2b59f87
--- /dev/null
+++ b/platform/core-impl/src/com/intellij/psi/impl/source/tree/injected/CommentLiteralEscaper.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2000-2014 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.source.tree.injected;
+
+import com.intellij.openapi.util.ProperTextRange;
+import com.intellij.lang.CodeDocumentationAwareCommenter;
+import com.intellij.lang.Commenter;
+import com.intellij.lang.LanguageCommenters;
+import com.intellij.openapi.util.TextRange;
+import com.intellij.psi.LiteralTextEscaper;
+import com.intellij.psi.impl.source.tree.PsiCommentImpl;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * @author cdr
+*/
+public class CommentLiteralEscaper extends LiteralTextEscaper<PsiCommentImpl> {
+  public CommentLiteralEscaper(PsiCommentImpl host) {
+    super(host);
+  }
+
+  @Override
+  public boolean decode(@NotNull final TextRange rangeInsideHost, @NotNull StringBuilder outChars) {
+    ProperTextRange.assertProperRange(rangeInsideHost);
+    outChars.append(myHost.getText(), rangeInsideHost.getStartOffset(), rangeInsideHost.getEndOffset());
+    return true;
+  }
+
+  @Override
+  public int getOffsetInHost(int offsetInDecoded, @NotNull final TextRange rangeInsideHost) {
+    int offset = offsetInDecoded + rangeInsideHost.getStartOffset();
+    if (offset < rangeInsideHost.getStartOffset()) offset = rangeInsideHost.getStartOffset();
+    if (offset > rangeInsideHost.getEndOffset()) offset = rangeInsideHost.getEndOffset();
+    return offset;
+  }
+
+  @Override
+  public boolean isOneLine() {
+    final Commenter commenter = LanguageCommenters.INSTANCE.forLanguage(myHost.getLanguage());
+    if (commenter instanceof CodeDocumentationAwareCommenter) {
+      return myHost.getTokenType() == ((CodeDocumentationAwareCommenter) commenter).getLineCommentTokenType();
+    }
+    return false;
+  }
+}
+\ No newline at end of file