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84 lines
2.9 KiB
C
84 lines
2.9 KiB
C
3 weeks ago
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// C++ informative line for the emacs editor: -*- C++ -*-
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the COPYING file, which can be found at the root of the source code *
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* distribution tree, or in https://www.hdfgroup.org/licenses. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef H5AbstractDs_H
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#define H5AbstractDs_H
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namespace H5 {
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class ArrayType;
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class CompType;
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class EnumType;
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class FloatType;
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class IntType;
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class StrType;
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class VarLenType;
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class DataSpace;
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/*! \class AbstractDs
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\brief AbstractDs is an abstract base class, inherited by Attribute
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and DataSet.
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It provides a collection of services that are common to both Attribute
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and DataSet.
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*/
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class H5_DLLCPP AbstractDs {
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public:
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// Gets a copy the datatype of that this abstract dataset uses.
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// Note that this datatype is a generic one and can only be accessed
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// via generic member functions, i.e., member functions belong
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// to DataType. To get specific datatype, i.e. EnumType, FloatType,
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// etc..., use the specific functions, that follow, instead.
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DataType getDataType() const;
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// Gets a copy of the specific datatype of this abstract dataset.
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ArrayType getArrayType() const;
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CompType getCompType() const;
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EnumType getEnumType() const;
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IntType getIntType() const;
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FloatType getFloatType() const;
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StrType getStrType() const;
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VarLenType getVarLenType() const;
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///\brief Gets the size in memory of this abstract dataset.
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virtual size_t getInMemDataSize() const = 0;
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///\brief Gets the dataspace of this abstract dataset - pure virtual.
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virtual DataSpace getSpace() const = 0;
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// Gets the class of the datatype that is used by this abstract
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// dataset.
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H5T_class_t getTypeClass() const;
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///\brief Returns the amount of storage size required - pure virtual.
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virtual hsize_t getStorageSize() const = 0;
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// Returns this class name - pure virtual.
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virtual H5std_string fromClass() const = 0;
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// Destructor
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virtual ~AbstractDs();
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protected:
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// Default constructor
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AbstractDs();
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private:
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// This member function is implemented by DataSet and Attribute - pure virtual.
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virtual hid_t p_get_type() const = 0;
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}; // end of AbstractDs
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} // namespace H5
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#endif // H5AbstractDs_H
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