include/tools/weakbase.hxx

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  19
  20 #ifndef INCLUDED_TOOLS_WEAKBASE_HXX
  21 #define INCLUDED_TOOLS_WEAKBASE_HXX
  22
  23 #include <tools/weakbase.h>
  24
  25 /// see weakbase.h for documentation
  26
  27 namespace tools
  28 {
  29
  30 template< class reference_type >
  31 inline WeakReference< reference_type >::WeakReference()
  32 {
  33     mpWeakConnection = new WeakConnection<reference_type>( 0 );
  34 }
  35
  36 template< class reference_type >
  37 inline WeakReference< reference_type >::WeakReference( reference_type* pReference )
  38 {
  39     if( pReference )
  40         mpWeakConnection = pReference->getWeakConnection();
  41     else
  42         mpWeakConnection = new WeakConnection<reference_type>( 0 );
  43 }
  44
  45 template< class reference_type >
  46 inline WeakReference< reference_type >::WeakReference( const WeakReference< reference_type >& rWeakRef )
  47 {
  48     mpWeakConnection = rWeakRef.mpWeakConnection;
  49 }
  50
  51 template< class reference_type >
  52 inline WeakReference< reference_type >::WeakReference( WeakReference< reference_type >&& rWeakRef )
  53 {
  54     mpWeakConnection = std::move(rWeakRef.mpWeakConnection);
  55 }
  56
  57 template< class reference_type >
  58 inline bool WeakReference< reference_type >::is() const
  59 {
  60     return mpWeakConnection->mpReference != 0;
  61 }
  62
  63 template< class reference_type >
  64 inline reference_type * WeakReference< reference_type >::get() const
  65 {
  66     return mpWeakConnection->mpReference;
  67 }
  68
  69 template< class reference_type >
  70 inline void WeakReference< reference_type >::reset( reference_type* pReference )
  71 {
  72     if( pReference )
  73         mpWeakConnection = pReference->getWeakConnection();
  74     else
  75         mpWeakConnection = new WeakConnection<reference_type>( 0 );
  76 }
  77
  78 template< class reference_type >
  79 inline reference_type * WeakReference< reference_type >::operator->() const
  80 {
  81     OSL_PRECOND(mpWeakConnection.is(), "tools::WeakReference::operator->() : null body");
  82     return mpWeakConnection->mpReference;
  83 }
  84
  85 template< class reference_type >
  86 inline bool WeakReference< reference_type >::operator==(const reference_type * pReferenceObject) const
  87 {
  88     return mpWeakConnection->mpReference == pReferenceObject;
  89 }
  90
  91 template< class reference_type >
  92 inline bool WeakReference< reference_type >::operator==(const WeakReference<reference_type> & handle) const
  93 {
  94     return mpWeakConnection == handle.mpWeakConnection;
  95 }
  96
  97 template< class reference_type >
  98 inline bool WeakReference< reference_type >::operator!=(const WeakReference<reference_type> & handle) const
  99 {
 100     return mpWeakConnection != handle.mpWeakConnection;
 101 }
 102
 103 template< class reference_type >
 104 inline bool WeakReference< reference_type >::operator<(const WeakReference<reference_type> & handle) const
 105 {
 106     return mpWeakConnection->mpReference < handle.mpWeakConnection->mpReference;
 107 }
 108
 109 template< class reference_type >
 110 inline bool WeakReference< reference_type >::operator>(const WeakReference<reference_type> & handle) const
 111 {
 112     return mpWeakConnection->mpReference > handle.mpWeakConnection->mpReference;
 113 }
 114
 115 template< class reference_type >
 116 inline WeakReference<reference_type>& WeakReference<reference_type>::operator= (
 117     const WeakReference<reference_type>& rReference)
 118 {
 119     if (&rReference != this)
 120     {
 121         mpWeakConnection = rReference.mpWeakConnection;
 122     }
 123     return *this;
 124 }
 125
 126 template< class reference_type >
 127 inline WeakReference<reference_type>& WeakReference<reference_type>::operator= (
 128     WeakReference<reference_type>&& rReference)
 129 {
 130     mpWeakConnection = std::move(rReference.mpWeakConnection);
 131     return *this;
 132 }
 133
 134 template< class reference_type >
 135 inline WeakBase< reference_type >::WeakBase()
 136 {
 137 }
 138
 139 template< class reference_type >
 140 inline WeakBase< reference_type >::~WeakBase()
 141 {
 142     if( mpWeakConnection.is() )
 143     {
 144         mpWeakConnection->mpReference = 0;
 145     }
 146 }
 147
 148 template< class reference_type >
 149 inline void WeakBase< reference_type >::clearWeak()
 150 {
 151     if( mpWeakConnection.is() )
 152         mpWeakConnection->mpReference = 0;
 153 }
 154
 155 template< class reference_type >
 156 inline WeakConnection< reference_type >* WeakBase< reference_type >::getWeakConnection()
 157 {
 158     if( !mpWeakConnection.is() )
 159     {
 160         mpWeakConnection = new WeakConnection< reference_type >( static_cast< reference_type* >( this ) );
 161     }
 162     return mpWeakConnection.get();
 163 }
 164
 165 }
 166
 167 #endif
 168
 169 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */