include/svl/sharedstring.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #ifndef INCLUDED_SVL_SHAREDSTRING_HXX
  11 #define INCLUDED_SVL_SHAREDSTRING_HXX
  12
  13 #include <svl/svldllapi.h>
  14 #include <rtl/ustring.hxx>
  15
  16 namespace svl {
  17
  18 class SVL_DLLPUBLIC SharedString
  19 {
  20     rtl_uString* mpData;
  21     rtl_uString* mpDataIgnoreCase;
  22 public:
  23
  24     static const SharedString & getEmptyString();
  25
  26     SharedString();
  27     SharedString( rtl_uString* pData, rtl_uString* pDataIgnoreCase );
  28     explicit SharedString( const OUString& rStr );
  29     SharedString( const SharedString& r );
  30     SharedString(SharedString&& r) noexcept;
  31     ~SharedString();
  32
  33     SharedString& operator= ( const SharedString& r );
  34     SharedString& operator=(SharedString&& r) noexcept;
  35
  36     bool operator== ( const SharedString& r ) const;
  37     bool operator!= ( const SharedString& r ) const;
  38
  39     OUString getString() const;
  40
  41     rtl_uString* getData();
  42     const rtl_uString* getData() const;
  43
  44     rtl_uString* getDataIgnoreCase();
  45     const rtl_uString* getDataIgnoreCase() const;
  46
  47     bool isValid() const;
  48     bool isEmpty() const;
  49
  50     sal_Int32 getLength() const;
  51 };
  52
  53 inline SharedString::SharedString() : mpData(nullptr), mpDataIgnoreCase(nullptr) {}
  54
  55 inline SharedString::SharedString( rtl_uString* pData, rtl_uString* pDataIgnoreCase ) :
  56     mpData(pData), mpDataIgnoreCase(pDataIgnoreCase)
  57 {
  58     if (mpData)
  59         rtl_uString_acquire(mpData);
  60     if (mpDataIgnoreCase)
  61         rtl_uString_acquire(mpDataIgnoreCase);
  62 }
  63
  64 inline SharedString::SharedString( const OUString& rStr ) : mpData(rStr.pData), mpDataIgnoreCase(nullptr)
  65 {
  66     rtl_uString_acquire(mpData);
  67 }
  68
  69 inline SharedString::SharedString( const SharedString& r ) : mpData(r.mpData), mpDataIgnoreCase(r.mpDataIgnoreCase)
  70 {
  71     if (mpData)
  72         rtl_uString_acquire(mpData);
  73     if (mpDataIgnoreCase)
  74         rtl_uString_acquire(mpDataIgnoreCase);
  75 }
  76
  77 inline SharedString::SharedString(SharedString&& r) noexcept : mpData(r.mpData), mpDataIgnoreCase(r.mpDataIgnoreCase)
  78 {
  79     r.mpData = nullptr;
  80     r.mpDataIgnoreCase = nullptr;
  81 }
  82
  83 inline SharedString::~SharedString()
  84 {
  85     if (mpData)
  86         rtl_uString_release(mpData);
  87     if (mpDataIgnoreCase)
  88         rtl_uString_release(mpDataIgnoreCase);
  89 }
  90
  91 inline bool SharedString::operator!= ( const SharedString& r ) const
  92 {
  93     return !operator== (r);
  94 }
  95
  96 inline OUString SharedString::getString() const
  97 {
  98     return mpData ? OUString(mpData) : OUString();
  99 }
 100
 101 inline rtl_uString* SharedString::getData()
 102 {
 103     return mpData;
 104 }
 105
 106 inline const rtl_uString* SharedString::getData() const
 107 {
 108     return mpData;
 109 }
 110
 111 inline rtl_uString* SharedString::getDataIgnoreCase()
 112 {
 113     return mpDataIgnoreCase;
 114 }
 115
 116 inline const rtl_uString* SharedString::getDataIgnoreCase() const
 117 {
 118     return mpDataIgnoreCase;
 119 }
 120
 121 inline bool SharedString::isValid() const
 122 {
 123     return mpData != nullptr;
 124 }
 125
 126 inline bool SharedString::isEmpty() const
 127 {
 128     return mpData == nullptr || mpData->length == 0;
 129 }
 130
 131 inline sal_Int32 SharedString::getLength() const
 132 {
 133     return mpData ? mpData->length : 0;
 134 }
 135
 136 }
 137
 138 #endif
 139
 140 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */