mod_fem_viewer/ApproxModule/ApproxServer.h

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#ifndef _APPROX_SERVER_H_
#define _APPROX_SERVER_H_

#include<memory>
#include<vector>
#include<string>
#include<stdexcept>

namespace Approx {

    class IApproximator;

    class ApproxServer {
    public:
        // Engine approximation module
        struct ApproxEngin {
            // Constructor
            IApproximator * Self;
            // Destructor
            virtual ~ApproxEngin() {}
            // Get name of the approximation driver
            virtual const std::string & GetName() const = 0;
            // Create a approximation module
            virtual IApproximator* CreateApproximator() = 0;
            // Get handle to approximation module
            virtual IApproximator* GetApproximator() = 0;
        };

        // Destructor
        ~ApproxServer() {
            vecApproxModule::iterator it = ApproxModules.begin();
            while(it != ApproxModules.end()) {
                delete *it;
                ++it;
            }
        }

        // Add new approximation engine
        void AddApproxModule(std::auto_ptr<ApproxEngin> AE) {
            ApproxModules.push_back(AE.release());
        }

        // Get a number of modules
        inline size_t GetModuleCount() const {
            return ApproxModules.size();
        }

        // Access a module at index
        ApproxEngin & GetModule(const std::string& sModuleName) {
            const size_t size = GetModuleCount();
            for(size_t i(0);i<size;++i)
                if(ApproxModules[i]->GetName() == sModuleName) {
                    return *ApproxModules[i];
                }

            throw std::runtime_error(sModuleName);
        }

    private:
        // A vector approximation module
        typedef std::vector<ApproxEngin *> vecApproxModule;
        vecApproxModule ApproxModules;

    };
}

#endif /* _APPROX_SERVER_H_
*/

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