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https://github.com/Unidata/netcdf-cxx4.git
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122 lines
2.9 KiB
C
122 lines
2.9 KiB
C
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#include "ncType.h"
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#include "ncException.h"
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#include <string>
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#include <typeinfo>
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#ifndef NcAttClass
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#define NcAttClass
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namespace netCDF
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{
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/*! Abstract base class represents inherited by ncVarAtt and ncGroupAtt. */
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class NcAtt
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{
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public:
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/*! destructor */
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virtual ~NcAtt()=0;
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/*! Constructor generates a \ref isNull "null object". */
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NcAtt ();
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/*! Constructor for non-null instances. */
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NcAtt(bool nullObject);
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/*! The copy constructor. */
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NcAtt(const NcAtt& rhs);
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/*! Get the attribute name. */
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std::string getName() const {return myName;}
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/*! Gets attribute length. */
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size_t getAttLength() const;
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/*! Returns the attribute type. */
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NcType getType() const;
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/*! Gets parent group. */
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NcGroup getParentGroup() const;
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/*! equivalence operator */
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bool operator== (const NcAtt& rhs) const;
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/*! != operator */
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bool operator!=(const NcAtt& rhs) const;
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/*! \overload
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*/
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void getValues(char* dataValues) const;
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/*! \overload
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*/
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void getValues(unsigned char* dataValues) const;
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/*! \overload
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*/
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void getValues(signed char* dataValues) const;
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/*! \overload
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*/
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void getValues(short* dataValues) const;
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/*! \overload
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*/
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void getValues(int* dataValues) const;
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/*! \overload
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*/
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void getValues(long* dataValues) const;
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/*! \overload
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*/
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void getValues(float* dataValues) const;
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/*! \overload
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*/
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void getValues(double* dataValues) const;
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/*! \overload
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*/
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void getValues(unsigned short* dataValues) const;
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/*! \overload
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*/
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void getValues(unsigned int* dataValues) const;
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/*! \overload
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*/
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void getValues(long long* dataValues) const;
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/*! \overload
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*/
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void getValues(unsigned long long* dataValues) const;
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/*! \overload
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*/
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void getValues(char** dataValues) const;
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/*! \overload
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(The string variable does not need preallocating.)
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*/
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void getValues(std::string& dataValues) const;
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/*!
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Gets a netCDF attribute.
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The user must ensure that the variable "dataValues" has sufficient space to hold the attribute.
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\param dataValues On return contains the value of the attribute.
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If the type of data values differs from the netCDF variable type, type conversion will occur.
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(However, no type conversion is carried out for variables using the user-defined data types:
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nc_Vlen, nc_Opaque, nc_Compound and nc_Enum.)
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*/
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void getValues(void* dataValues) const;
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/*! Returns true if this object is null (i.e. it has no contents); otherwise returns false. */
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bool isNull() const {return nullObject;}
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protected:
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/*! assignment operator */
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NcAtt& operator= (const NcAtt& rhs);
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bool nullObject;
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std::string myName;
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int groupId;
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int varId;
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};
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}
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#endif
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