Coverage Report - com.puppycrawl.tools.checkstyle.checks.indentation.LabelHandler
 
Classes in this File Line Coverage Branch Coverage Complexity
LabelHandler
100%
11/11
N/A
1
 
 1  
 ////////////////////////////////////////////////////////////////////////////////
 2  
 // checkstyle: Checks Java source code for adherence to a set of rules.
 3  
 // Copyright (C) 2001-2014  Oliver Burn
 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  
 package com.puppycrawl.tools.checkstyle.checks.indentation;
 20  
 
 21  
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
 22  
 import com.puppycrawl.tools.checkstyle.api.TokenTypes;
 23  
 
 24  
 /**
 25  
  * Handler for labels.
 26  
  *
 27  
  * @author jrichard
 28  
  */
 29  
 public class LabelHandler extends ExpressionHandler
 30  
 {
 31  
     /**
 32  
      * The types of expressions that are children of a label.
 33  
      */
 34  9
     private final int[] mLabelChildren = new int[] {
 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 aIndentCheck   the indentation check
 43  
      * @param aExpr          the abstract syntax tree
 44  
      * @param aParent        the parent handler
 45  
      */
 46  
     public LabelHandler(IndentationCheck aIndentCheck,
 47  
         DetailAST aExpr, ExpressionHandler aParent)
 48  
     {
 49  9
         super(aIndentCheck, "label", aExpr, aParent);
 50  9
     }
 51  
 
 52  
     @Override
 53  
     protected IndentLevel getLevelImpl()
 54  
     {
 55  9
         return new IndentLevel(super.getLevelImpl(), -getBasicOffset());
 56  
     }
 57  
 
 58  
     /**
 59  
      * Check the indentation of the label.
 60  
      */
 61  
     private void checkLabel()
 62  
     {
 63  9
         checkChildren(getMainAst(), mLabelChildren, getLevel(), true, false);
 64  9
     }
 65  
 
 66  
     @Override
 67  
     public void checkIndentation()
 68  
     {
 69  9
         checkLabel();
 70  
         // need to check children (like 'block' parents do)
 71  9
         final DetailAST parent = getMainAst().getFirstChild().getNextSibling();
 72  
 
 73  9
         final IndentLevel expected =
 74  
             new IndentLevel(getLevel(), getBasicOffset());
 75  
 
 76  9
         checkExpressionSubtree(parent, expected, true, false);
 77  9
     }
 78  
 }