| /* |
| * Copyright 2000-2009 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.openapi.util.TextRange; |
| import com.intellij.psi.LiteralTextEscaper; |
| import com.intellij.psi.PsiLanguageInjectionHost; |
| import com.intellij.psi.impl.source.tree.java.PsiLiteralExpressionImpl; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * @author cdr |
| */ |
| public class StringLiteralEscaper<T extends PsiLanguageInjectionHost> extends LiteralTextEscaper<T> { |
| private int[] outSourceOffsets; |
| |
| public StringLiteralEscaper(T host) { |
| super(host); |
| } |
| |
| @Override |
| public boolean decode(@NotNull final TextRange rangeInsideHost, @NotNull StringBuilder outChars) { |
| ProperTextRange.assertProperRange(rangeInsideHost); |
| String subText = rangeInsideHost.substring(myHost.getText()); |
| outSourceOffsets = new int[subText.length()+1]; |
| return PsiLiteralExpressionImpl.parseStringCharacters(subText, outChars, outSourceOffsets); |
| } |
| |
| @Override |
| public int getOffsetInHost(int offsetInDecoded, @NotNull final TextRange rangeInsideHost) { |
| int result = offsetInDecoded < outSourceOffsets.length ? outSourceOffsets[offsetInDecoded] : -1; |
| if (result == -1) return -1; |
| return (result <= rangeInsideHost.getLength() ? result : rangeInsideHost.getLength()) + rangeInsideHost.getStartOffset(); |
| } |
| |
| @Override |
| public boolean isOneLine() { |
| return true; |
| } |
| } |