mirror of
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124 lines
3.5 KiB
C++
124 lines
3.5 KiB
C++
/*
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* File.hpp, part of LatAnalyze 3
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*
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* Copyright (C) 2013 - 2016 Antonin Portelli
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*
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* LatAnalyze 3 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* LatAnalyze 3 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with LatAnalyze 3. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef Latan_File_hpp_
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#define Latan_File_hpp_
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#include <LatAnalyze/Global.hpp>
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#include <LatAnalyze/IoObject.hpp>
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#include <LatAnalyze/Mat.hpp>
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#include <LatAnalyze/MatSample.hpp>
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BEGIN_LATAN_NAMESPACE
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/******************************************************************************
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* Abstract datafile class *
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******************************************************************************/
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typedef std::unordered_map<std::string, std::unique_ptr<IoObject>> IoDataTable;
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class File
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{
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public:
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class Mode
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{
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public:
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enum
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{
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null = 0,
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write = 1 << 0,
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read = 1 << 1,
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append = 1 << 2
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};
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};
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public:
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// constructors
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File(void) = default;
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File(const std::string &name, const unsigned int mode);
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// destructor
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virtual ~File(void);
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// access
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const std::string & getName(void) const;
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unsigned int getMode(void) const;
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template <typename IoT>
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const IoT & read(const std::string &name = "");
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virtual void save(const DMat &m, const std::string &name) = 0;
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virtual void save(const DSample &ds, const std::string &name) = 0;
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virtual void save(const DMatSample &ms, const std::string &name) = 0;
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// read first name
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virtual std::string getFirstName(void) = 0;
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// tests
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virtual bool isOpen(void) const = 0;
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// IO
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virtual void close(void) = 0;
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virtual void open(const std::string &name, const unsigned int mode) = 0;
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protected:
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// access
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void setName(const std::string &name);
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void setMode(const unsigned int mode);
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// data access
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void deleteData(void);
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// error checking
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void checkWritability(void);
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private:
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// data access
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template <typename IoT>
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const IoT& getData(const std::string &name = "") const;
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// IO
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virtual std::string load(const std::string &name = "") = 0;
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protected:
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std::string name_{""};
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unsigned int mode_{Mode::null};
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IoDataTable data_;
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};
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// Template implementations
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template <typename IoT>
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const IoT& File::read(const std::string &name)
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{
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std::string dataName;
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dataName = load(name);
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return getData<IoT>(dataName);
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}
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template <typename IoT>
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const IoT& File::getData(const std::string &name) const
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{
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try
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{
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return dynamic_cast<const IoT &>(*(data_.at(name)));
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}
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catch(std::out_of_range)
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{
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LATAN_ERROR(Definition, "no data with name '" + name + "' in file "
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+ name_);
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}
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catch(std::bad_cast)
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{
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LATAN_ERROR(Definition, "data with name '" + name + "' in file "
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+ name_ + " does not have type '" + typeid(IoT).name()
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+ "'");
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}
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}
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END_LATAN_NAMESPACE
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#endif
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