LCOV - app.info - objdir/dist/include/nsTSubstringTuple.h

LCOV - code coverage report
| Current view: | directory - objdir/dist/include - nsTSubstringTuple.h (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 8 | 8 | 100.0 %
| Date: | 2012-04-21 | Functions: | 8 | 8 | 100.0 %

           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                 :  *   Darin Fisher <darin@meer.net>
          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                 :
          40                 :   /**
          41                 :    * nsTSubstringTuple_CharT
          42                 :    *
          43                 :    * Represents a tuple of string fragments.  Built as a recursive binary tree.
          44                 :    * It is used to implement the concatenation of two or more string objects.
          45                 :    *
          46                 :    * NOTE: This class is a private implementation detail and should never be
          47                 :    * referenced outside the string code.
          48                 :    */
          49                 : class nsTSubstringTuple_CharT
          50                 :   {
          51                 :     public:
          52                 :
          53                 :       typedef CharT                      char_type;
          54                 :       typedef nsCharTraits<char_type>    char_traits;
          55                 :
          56                 :       typedef nsTSubstringTuple_CharT    self_type;
          57                 :       typedef nsTSubstring_CharT         substring_type;
          58                 :       typedef nsTSubstring_CharT         base_string_type;
          59                 :       typedef PRUint32                   size_type;
          60                 :
          61                 :     public:
          62                 :
          63          813318 :       nsTSubstringTuple_CharT(const base_string_type* a, const base_string_type* b)
          64                 :         : mHead(nsnull)
          65                 :         , mFragA(a)
          66          813318 :         , mFragB(b) {}
          67                 :
          68           60011 :       nsTSubstringTuple_CharT(const self_type& head, const base_string_type* b)
          69                 :         : mHead(&head)
          70                 :         , mFragA(nsnull) // this fragment is ignored when head != nsnull
          71           60011 :         , mFragB(b) {}
          72                 :
          73                 :         /**
          74                 :          * computes the aggregate string length
          75                 :          */
          76                 :       size_type Length() const;
          77                 :
          78                 :         /**
          79                 :          * writes the aggregate string to the given buffer.  bufLen is assumed
          80                 :          * to be equal to or greater than the value returned by the Length()
          81                 :          * method.  the string written to |buf| is not null-terminated.
          82                 :          */
          83                 :       void WriteTo(char_type *buf, PRUint32 bufLen) const;
          84                 :
          85                 :         /**
          86                 :          * returns true if this tuple is dependent on (i.e., overlapping with)
          87                 :          * the given char sequence.
          88                 :          */
          89                 :       bool IsDependentOn(const char_type *start, const char_type *end) const;
          90                 :
          91                 :     private:
          92                 :
          93                 :       const self_type*        mHead;
          94                 :       const base_string_type* mFragA;
          95                 :       const base_string_type* mFragB;
          96                 :   };
          97                 :
          98                 : inline
          99                 : const nsTSubstringTuple_CharT
         100          813318 : operator+(const nsTSubstringTuple_CharT::base_string_type& a, const nsTSubstringTuple_CharT::base_string_type& b)
         101                 :   {
         102          813318 :     return nsTSubstringTuple_CharT(&a, &b);
         103                 :   }
         104                 :
         105                 : inline
         106                 : const nsTSubstringTuple_CharT
         107           60011 : operator+(const nsTSubstringTuple_CharT& head, const nsTSubstringTuple_CharT::base_string_type& b)
         108                 :   {
         109           60011 :     return nsTSubstringTuple_CharT(head, &b);
         110                 :   }

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