xml/impl/src/com/intellij/psi/impl/source/tree/injected/XmlCommentLiteralEscaper.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.psi.impl.source.tree.injected;
  17
  18 import com.intellij.psi.LiteralTextEscaper;
  19 import com.intellij.psi.impl.source.xml.XmlCommentImpl;
  20 import com.intellij.openapi.util.TextRange;
  21 import com.intellij.openapi.util.ProperTextRange;
  22 import com.intellij.lang.Commenter;
  23 import com.intellij.lang.LanguageCommenters;
  24 import com.intellij.lang.CodeDocumentationAwareCommenter;
  25 import org.jetbrains.annotations.NotNull;
  26
  27 /**
  28  * @author spleaner
  29  */
  30 public class XmlCommentLiteralEscaper extends LiteralTextEscaper<XmlCommentImpl> {
  31   public XmlCommentLiteralEscaper(@NotNull XmlCommentImpl host) {
  32     super(host);
  33   }
  34
  35   public boolean decode(@NotNull final TextRange rangeInsideHost, @NotNull final StringBuilder outChars) {
  36     ProperTextRange.assertProperRange(rangeInsideHost);
  37     outChars.append(myHost.getText(), rangeInsideHost.getStartOffset(), rangeInsideHost.getEndOffset());
  38     return true;
  39   }
  40
  41   public int getOffsetInHost(final int offsetInDecoded, @NotNull final TextRange rangeInsideHost) {
  42     int offset = offsetInDecoded + rangeInsideHost.getStartOffset();
  43     if (offset < rangeInsideHost.getStartOffset()) offset = rangeInsideHost.getStartOffset();
  44     if (offset > rangeInsideHost.getEndOffset()) offset = rangeInsideHost.getEndOffset();
  45     return offset;
  46   }
  47
  48   public boolean isOneLine() {
  49     final Commenter commenter = LanguageCommenters.INSTANCE.forLanguage(myHost.getLanguage());
  50     if (commenter instanceof CodeDocumentationAwareCommenter) {
  51       return myHost.getTokenType() == ((CodeDocumentationAwareCommenter) commenter).getLineCommentTokenType();
  52     }
  53     return false;
  54   }
  55 }