| /* |
| * 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.codeInsight.generation.surroundWith; |
| |
| import com.intellij.lang.Language; |
| import com.intellij.lang.StdLanguages; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.PsiWhiteSpace; |
| |
| /** |
| * @author yole |
| */ |
| public class XmlSurroundWithRangeAdjuster implements SurroundWithRangeAdjuster { |
| private static boolean isLanguageWithWSSignificant(Language lang) { |
| return lang == StdLanguages.HTML || |
| lang == StdLanguages.XHTML || |
| lang == StdLanguages.JSP || |
| lang == StdLanguages.JSPX; |
| } |
| |
| private static Language getLanguage(PsiElement element) { |
| Language lang = element.getLanguage(); |
| if (lang == StdLanguages.XML) { |
| PsiElement parent = element.getParent(); |
| lang = parent.getLanguage(); |
| } |
| return lang; |
| } |
| |
| @Override |
| public TextRange adjustSurroundWithRange(final PsiFile file, final TextRange selectedRange) { |
| int startOffset = selectedRange.getStartOffset(); |
| int endOffset = selectedRange.getEndOffset(); |
| PsiElement element1 = file.findElementAt(startOffset); |
| PsiElement element2 = file.findElementAt(endOffset - 1); |
| |
| Language lang1 = getLanguage(element1); |
| Language lang2 = getLanguage(element2); |
| |
| if (element1 instanceof PsiWhiteSpace && isLanguageWithWSSignificant(lang1) ) { |
| startOffset = element1.getTextRange().getEndOffset(); |
| element1 = file.findElementAt(startOffset); |
| } |
| if (element2 instanceof PsiWhiteSpace && isLanguageWithWSSignificant(lang2) ) { |
| endOffset = element2.getTextRange().getStartOffset(); |
| element2 = file.findElementAt(endOffset); |
| } |
| |
| lang1 = getLanguage(element1); |
| lang2 = getLanguage(element2); |
| |
| if(lang1 != lang2) return null; |
| |
| TextRange.assertProperRange(startOffset, endOffset, "Wrong offsets for " + selectedRange.substring(file.getText())); |
| return new TextRange(startOffset, endOffset); |
| } |
| } |