Coverage Report - com.puppycrawl.tools.checkstyle.checks.indentation.LabelHandler
 
Classes in this File Line Coverage Branch Coverage Complexity
LabelHandler
100%
14/14
N/A
1
 
 1  
 ////////////////////////////////////////////////////////////////////////////////
 2  
 // checkstyle: Checks Java source code for adherence to a set of rules.
 3  
 // Copyright (C) 2001-2017 the original author or authors.
 4  
 //
 5  
 // This library is free software; you can redistribute it and/or
 6  
 // modify it under the terms of the GNU Lesser General Public
 7  
 // License as published by the Free Software Foundation; either
 8  
 // version 2.1 of the License, or (at your option) any later version.
 9  
 //
 10  
 // This library is distributed in the hope that it will be useful,
 11  
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 12  
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 13  
 // Lesser General Public License for more details.
 14  
 //
 15  
 // You should have received a copy of the GNU Lesser General Public
 16  
 // License along with this library; if not, write to the Free Software
 17  
 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 18  
 ////////////////////////////////////////////////////////////////////////////////
 19  
 
 20  
 package com.puppycrawl.tools.checkstyle.checks.indentation;
 21  
 
 22  
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
 23  
 import com.puppycrawl.tools.checkstyle.api.TokenTypes;
 24  
 
 25  
 /**
 26  
  * Handler for labels.
 27  
  *
 28  
  * @author jrichard
 29  
  */
 30  
 public class LabelHandler extends AbstractExpressionHandler {
 31  
     /**
 32  
      * The types of expressions that are children of a label.
 33  
      */
 34  1
     private static final int[] LABEL_CHILDREN = {
 35  
         TokenTypes.IDENT,
 36  
     };
 37  
 
 38  
     /**
 39  
      * Construct an instance of this handler with the given indentation check,
 40  
      * abstract syntax tree, and parent handler.
 41  
      *
 42  
      * @param indentCheck   the indentation check
 43  
      * @param expr          the abstract syntax tree
 44  
      * @param parent        the parent handler
 45  
      */
 46  
     public LabelHandler(IndentationCheck indentCheck,
 47  
         DetailAST expr, AbstractExpressionHandler parent) {
 48  34
         super(indentCheck, "label", expr, parent);
 49  34
     }
 50  
 
 51  
     @Override
 52  
     protected IndentLevel getIndentImpl() {
 53  34
         final IndentLevel level = new IndentLevel(super.getIndentImpl(), -getBasicOffset());
 54  34
         level.addAcceptedIndent(super.getIndentImpl());
 55  34
         return level;
 56  
     }
 57  
 
 58  
     /**
 59  
      * Check the indentation of the label.
 60  
      */
 61  
     private void checkLabel() {
 62  34
         checkChildren(getMainAst(), LABEL_CHILDREN, getIndent(), true, false);
 63  34
     }
 64  
 
 65  
     @Override
 66  
     public void checkIndentation() {
 67  34
         checkLabel();
 68  
         // need to check children (like 'block' parents do)
 69  34
         final DetailAST parent = getMainAst().getFirstChild().getNextSibling();
 70  
 
 71  34
         final IndentLevel expected =
 72  34
             new IndentLevel(getIndent(), getBasicOffset());
 73  
 
 74  34
         checkExpressionSubtree(parent, expected, true, false);
 75  34
     }
 76  
 }