and
MakeXS at Sun Oct 24 17:35:34 PDT 2004
00001 // 00002 // The Austria library is copyright (c) Gianni Mariani 2004. 00003 // 00004 // Grant Of License. Grants to LICENSEE the non-exclusive right to use the Austria 00005 // library subject to the terms of the LGPL. 00006 // 00007 // A copy of the license is available in this directory or one may be found at this URL: 00008 // http://www.gnu.org/copyleft/lesser.txt 00009 // 00015 #ifndef x_at_twin_h_x 00016 #define x_at_twin_h_x 1 00017 00018 // Austria namespace 00019 namespace at 00020 { 00021 00052 // 00053 // forward declaration 00054 // 00055 00056 template< 00057 typename w_aide_twin_interface, 00058 typename w_lead_interface 00059 > 00060 class LeadTwin; 00061 00062 template< 00063 typename w_aide_interface 00064 > 00065 class AideTwin; 00066 00067 00068 00069 // ======== TwinTraits ============================================ 00075 class TwinTraits 00076 { 00077 00078 public: 00079 00085 enum TwinCode 00086 { 00091 Uninitialized, 00092 00098 CancelRequested, 00099 00105 AideDelete, 00106 00112 AideGrabbed, 00113 00119 AideSetupError 00120 00121 }; 00122 00123 }; 00124 00125 00126 // ======== LeadTwin =============================================== 00136 template< 00137 typename w_aide_twin_interface, 00138 typename w_lead_interface 00139 > 00140 class LeadTwin 00141 : public w_lead_interface 00142 { 00143 00144 friend class AideTwin< typename w_aide_twin_interface::t_aide_interface >; 00145 00146 public: 00147 00153 virtual void LeadCancel() = 0; 00154 00155 protected : 00156 00163 virtual bool LeadAssociate( w_aide_twin_interface * i_aide ) = 0; 00164 00171 virtual void LeadCompleted( TwinTraits::TwinCode i_competion_code ) = 0; 00172 00177 virtual ~LeadTwin() {} 00178 }; 00179 00180 00181 00182 // ======== AideTwin =============================================== 00191 template< 00192 typename w_aide_interface 00193 > 00194 class AideTwin 00195 : public w_aide_interface 00196 { 00197 public: 00198 00199 virtual void AideCancel() = 0; 00200 00205 typedef w_aide_interface t_aide_interface; 00206 00207 protected : 00208 00212 template <typename w_lead > 00213 inline bool WrapLeadAssociate( w_lead * i_lead ) 00214 { 00215 return i_lead->LeadAssociate( this ); 00216 } 00217 00222 template <typename w_lead > 00223 inline void WrapLeadCompleted( w_lead * i_lead, TwinTraits::TwinCode i_competion_code ) 00224 { 00225 i_lead->LeadCompleted( i_competion_code ); 00226 } 00227 00228 ~AideTwin() {} 00229 }; 00230 00231 00232 }; // namespace 00233 00234 #endif // x_at_twin_h_x 00235 00236
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MakeXS at Sun Oct 24 17:35:34 PDT 2004