LCOV - code coverage report
Current view: directory - objdir/dist/include - nsTDependentString.h (source / functions) Found Hit Coverage
Test: app.info Lines: 30 23 76.7 %
Date: 2012-06-02 Functions: 18 13 72.2 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* vim:set ts=2 sw=2 sts=2 et cindent: */
       3                 : /* ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is Mozilla.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is IBM Corporation.
      19                 :  * Portions created by IBM Corporation are Copyright (C) 2003
      20                 :  * IBM Corporation. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Scott Collins <scc@mozilla.org> (original author)
      24                 :  *   Darin Fisher <darin@meer.net>
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      28                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : 
      40                 : 
      41                 :   /**
      42                 :    * nsTDependentString_CharT
      43                 :    *
      44                 :    * Stores a null-terminated, immutable sequence of characters.
      45                 :    *
      46                 :    * Subclass of nsTString that restricts string value to an immutable
      47                 :    * character sequence.  This class does not own its data, so the creator
      48                 :    * of objects of this type must take care to ensure that a
      49                 :    * nsTDependentString continues to reference valid memory for the
      50                 :    * duration of its use.
      51                 :    */
      52                 : class nsTDependentString_CharT : public nsTString_CharT
      53        26459864 :   {
      54                 :     public:
      55                 : 
      56                 :       typedef nsTDependentString_CharT    self_type;
      57                 : 
      58                 :     public:
      59                 : 
      60                 :         /**
      61                 :          * verify restrictions
      62                 :          */
      63        26484532 :       void AssertValid()
      64                 :         {
      65        26484532 :           NS_ASSERTION(mData, "nsTDependentString must wrap a non-NULL buffer");
      66        26484533 :           NS_ASSERTION(mLength != size_type(-1), "nsTDependentString has bogus length");
      67        26484533 :           NS_ASSERTION(mData[mLength] == 0, "nsTDependentString must wrap only null-terminated strings");
      68        26484533 :         }
      69                 : 
      70                 : 
      71                 :         /**
      72                 :          * constructors
      73                 :          */
      74                 : 
      75        13578317 :       nsTDependentString_CharT( const char_type* start, const char_type* end )
      76        13578317 :         : string_type(const_cast<char_type*>(start), PRUint32(end - start), F_TERMINATED)
      77                 :         {
      78        13578317 :           AssertValid();
      79        13578317 :         }
      80                 : 
      81         4031902 :       nsTDependentString_CharT( const char_type* data, PRUint32 length )
      82         4031902 :         : string_type(const_cast<char_type*>(data), length, F_TERMINATED)
      83                 :         {
      84         4031901 :           AssertValid();
      85         4031898 :         }
      86                 : 
      87                 :       explicit
      88         8859085 :       nsTDependentString_CharT( const char_type* data )
      89         8859085 :         : string_type(const_cast<char_type*>(data), PRUint32(char_traits::length(data)), F_TERMINATED)
      90                 :         {
      91         8859085 :           AssertValid();
      92         8859085 :         }
      93                 : 
      94               0 :       nsTDependentString_CharT( const string_type& str, PRUint32 startPos )
      95               0 :         : string_type()
      96                 :         {
      97               0 :           Rebind(str, startPos);
      98               0 :         }
      99                 : 
     100                 :       // Create a nsTDependentSubstring to be bound later
     101           40538 :       nsTDependentString_CharT()
     102           40538 :         : string_type() {}
     103                 : 
     104                 :       // XXX are you sure??
     105                 :       // auto-generated copy-constructor OK
     106                 :       // auto-generated copy-assignment operator OK
     107                 :       // auto-generated destructor OK
     108                 : 
     109                 : 
     110                 :         /**
     111                 :          * allow this class to be bound to a different string...
     112                 :          */
     113                 : 
     114               0 :       void Rebind( const char_type* data )
     115                 :         {
     116               0 :           Rebind(data, PRUint32(char_traits::length(data)));
     117               0 :         }
     118                 : 
     119                 :       void Rebind( const char_type* data, size_type length );
     120                 : 
     121           15233 :       void Rebind( const char_type* start, const char_type* end )
     122                 :         {
     123           15233 :           Rebind(start, PRUint32(end - start));
     124           15233 :         }
     125                 : 
     126                 :       void Rebind( const string_type&, PRUint32 startPos );
     127                 : 
     128                 :     private:
     129                 :       
     130                 :       // NOT USED
     131                 :       nsTDependentString_CharT( const substring_tuple_type& );
     132                 :   };

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