LCOV - code coverage report
Current view: directory - objdir/dist/include - nsWhitespaceTokenizer.h (source / functions) Found Hit Coverage
Test: app.info Lines: 36 17 47.2 %
Date: 2012-06-02 Functions: 8 4 50.0 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is TransforMiiX XSLT processor code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2002
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Peter Van der Beken <peterv@propagandism.org>
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      27                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : #ifndef __nsWhitespaceTokenizer_h
      40                 : #define __nsWhitespaceTokenizer_h
      41                 : 
      42                 : #include "nsDependentSubstring.h"
      43                 : 
      44                 : class nsWhitespaceTokenizer
      45                 : {
      46                 : public:
      47               0 :     nsWhitespaceTokenizer(const nsSubstring& aSource)
      48                 :     {
      49               0 :         aSource.BeginReading(mIter);
      50               0 :         aSource.EndReading(mEnd);
      51                 : 
      52               0 :         while (mIter != mEnd && isWhitespace(*mIter)) {
      53               0 :             ++mIter;
      54                 :         }
      55               0 :     }
      56                 : 
      57                 :     /**
      58                 :      * Checks if any more tokens are available.
      59                 :      */
      60               0 :     bool hasMoreTokens()
      61                 :     {
      62               0 :         return mIter != mEnd;
      63                 :     }
      64                 : 
      65                 :     /**
      66                 :      * Returns the next token.
      67                 :      */
      68               0 :     const nsDependentSubstring nextToken()
      69                 :     {
      70               0 :         nsSubstring::const_char_iterator begin = mIter;
      71               0 :         while (mIter != mEnd && !isWhitespace(*mIter)) {
      72               0 :             ++mIter;
      73                 :         }
      74               0 :         nsSubstring::const_char_iterator end = mIter;
      75               0 :         while (mIter != mEnd && isWhitespace(*mIter)) {
      76               0 :             ++mIter;
      77                 :         }
      78               0 :         return Substring(begin, end);
      79                 :     }
      80                 : 
      81                 : private:
      82                 :     nsSubstring::const_char_iterator mIter, mEnd;
      83                 : 
      84               0 :     bool isWhitespace(PRUnichar aChar)
      85                 :     {
      86                 :         return aChar <= ' ' &&
      87                 :                (aChar == ' ' || aChar == '\n' ||
      88               0 :                 aChar == '\r'|| aChar == '\t');
      89                 :     }
      90                 : };
      91                 : 
      92                 : class nsCWhitespaceTokenizer
      93                 : {
      94                 : public:
      95            1961 :     nsCWhitespaceTokenizer(const nsCSubstring& aSource)
      96                 :     {
      97            1961 :         aSource.BeginReading(mIter);
      98            1961 :         aSource.EndReading(mEnd);
      99                 : 
     100            3922 :         while (mIter != mEnd && isWhitespace(*mIter)) {
     101               0 :             ++mIter;
     102                 :         }
     103            1961 :     }
     104                 : 
     105                 :     /**
     106                 :      * Checks if any more tokens are available.
     107                 :      */
     108            3159 :     bool hasMoreTokens()
     109                 :     {
     110            3159 :         return mIter != mEnd;
     111                 :     }
     112                 : 
     113                 :     /**
     114                 :      * Returns the next token.
     115                 :      */
     116            2132 :     const nsDependentCSubstring nextToken()
     117                 :     {
     118            2132 :         nsCSubstring::const_char_iterator begin = mIter;
     119           12096 :         while (mIter != mEnd && !isWhitespace(*mIter)) {
     120            7832 :             ++mIter;
     121                 :         }
     122            2132 :         nsCSubstring::const_char_iterator end = mIter;
     123            4841 :         while (mIter != mEnd && isWhitespace(*mIter)) {
     124             577 :             ++mIter;
     125                 :         }
     126            2132 :         return Substring(begin, end);
     127                 :     }
     128                 : 
     129                 : private:
     130                 :     nsCSubstring::const_char_iterator mIter, mEnd;
     131                 : 
     132           11361 :     bool isWhitespace(char aChar)
     133                 :     {
     134                 :         return aChar <= ' ' &&
     135                 :                (aChar == ' ' || aChar == '\n' ||
     136           11361 :                 aChar == '\r'|| aChar == '\t');
     137                 :     }
     138                 : };
     139                 : 
     140                 : #endif /* __nsWhitespaceTokenizer_h */

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