Coverage Report - com.puppycrawl.tools.checkstyle.checks.indentation.ForHandler
 
Classes in this File Line Coverage Branch Coverage Complexity
ForHandler
95%
19/20
75%
3/4
1.75
 
 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 for loops.
 26  
  *
 27  
  * @author jrichard
 28  
  */
 29  
 public class ForHandler extends BlockParentHandler
 30  
 {
 31  
     /**
 32  
      * Construct an instance of this handler with the given indentation check,
 33  
      * abstract syntax tree, and parent handler.
 34  
      *
 35  
      * @param aIndentCheck   the indentation check
 36  
      * @param aAst           the abstract syntax tree
 37  
      * @param aParent        the parent handler
 38  
      */
 39  
     public ForHandler(IndentationCheck aIndentCheck,
 40  
         DetailAST aAst, ExpressionHandler aParent)
 41  
     {
 42  24
         super(aIndentCheck, "for", aAst, aParent);
 43  24
     }
 44  
 
 45  
     /**
 46  
      * Check the indentation of the parameters of the 'for' loop.
 47  
      */
 48  
     private void checkForParams()
 49  
     {
 50  24
         final IndentLevel expected =
 51  
             new IndentLevel(getLevel(), getBasicOffset());
 52  24
         final DetailAST init = getMainAst().findFirstToken(TokenTypes.FOR_INIT);
 53  
 
 54  24
         if (init != null) {
 55  22
             checkExpressionSubtree(init, expected, false, false);
 56  
 
 57  22
             final DetailAST cond =
 58  
                 getMainAst().findFirstToken(TokenTypes.FOR_CONDITION);
 59  22
             checkExpressionSubtree(cond, expected, false, false);
 60  
 
 61  22
             final DetailAST iter =
 62  
                 getMainAst().findFirstToken(TokenTypes.FOR_ITERATOR);
 63  22
             checkExpressionSubtree(iter, expected, false, false);
 64  22
         }
 65  
         // for each
 66  
         else {
 67  2
             final DetailAST forEach =
 68  
                 getMainAst().findFirstToken(TokenTypes.FOR_EACH_CLAUSE);
 69  2
             checkExpressionSubtree(forEach, expected, false, false);
 70  
         }
 71  24
     }
 72  
 
 73  
     @Override
 74  
     public void checkIndentation()
 75  
     {
 76  24
         checkForParams();
 77  24
         super.checkIndentation();
 78  24
     }
 79  
 
 80  
     @Override
 81  
     public IndentLevel suggestedChildLevel(ExpressionHandler aChild)
 82  
     {
 83  35
         if (aChild instanceof ElseHandler) {
 84  0
             return getLevel();
 85  
         }
 86  35
         return super.suggestedChildLevel(aChild);
 87  
     }
 88  
 }