| /* |
| * 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.editorActions.wordSelection; |
| |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.JavaDocTokenType; |
| import com.intellij.psi.PsiWhiteSpace; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.psi.javadoc.PsiDocTag; |
| import com.intellij.psi.javadoc.PsiDocToken; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.util.text.CharArrayUtil; |
| |
| import java.util.List; |
| |
| public class DocTagSelectioner extends WordSelectioner { |
| @Override |
| public boolean canSelect(PsiElement e) { |
| return e instanceof PsiDocTag; |
| } |
| |
| @Override |
| public List<TextRange> select(PsiElement e, CharSequence editorText, int cursorOffset, Editor editor) { |
| List<TextRange> result = super.select(e, editorText, cursorOffset, editor); |
| result.add(getDocTagRange((PsiDocTag)e, editorText, cursorOffset)); |
| return result; |
| } |
| |
| public static TextRange getDocTagRange(PsiDocTag e, CharSequence documentText, int minOffset) { |
| TextRange range = e.getTextRange(); |
| |
| int endOffset = range.getEndOffset(); |
| int startOffset = range.getStartOffset(); |
| |
| PsiElement[] children = e.getChildren(); |
| |
| for (int i = children.length - 1; i >= 0; i--) { |
| PsiElement child = children[i]; |
| |
| int childStartOffset = child.getTextRange().getStartOffset(); |
| |
| if (childStartOffset <= minOffset) { |
| break; |
| } |
| |
| if (child instanceof PsiDocToken) { |
| PsiDocToken token = (PsiDocToken)child; |
| |
| IElementType type = token.getTokenType(); |
| char[] chars = token.textToCharArray(); |
| int shift = CharArrayUtil.shiftForward(chars, 0, " \t\n\r"); |
| |
| if (shift != chars.length && type != JavaDocTokenType.DOC_COMMENT_LEADING_ASTERISKS) { |
| break; |
| } |
| } |
| else if (!(child instanceof PsiWhiteSpace)) { |
| break; |
| } |
| |
| endOffset = Math.min(childStartOffset, endOffset); |
| } |
| |
| startOffset = CharArrayUtil.shiftBackward(documentText, startOffset - 1, "* \t") + 1; |
| |
| return new TextRange(startOffset, endOffset); |
| } |
| } |