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https://github.com/Unidata/netcdf-cxx4.git
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108 lines
3.2 KiB
C++
108 lines
3.2 KiB
C++
#include <string>
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#include "ncType.h"
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#include "netcdf.h"
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#include "ncCheck.h"
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#ifndef NcEnumTypeClass
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#define NcEnumTypeClass
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namespace netCDF
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{
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class NcGroup; // forward declaration.
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/*! Class represents a netCDF enum type */
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class NcEnumType : public NcType
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{
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public:
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/*! List of NetCDF-4 Enumeration types.*/
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enum ncEnumType {
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nc_BYTE = NC_BYTE, //!< signed 1 byte integer
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nc_SHORT = NC_SHORT, //!< signed 2 byte integer
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nc_INT = NC_INT, //!< signed 4 byte integer
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nc_UBYTE = NC_UBYTE, //!< unsigned 1 byte int
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nc_USHORT = NC_USHORT, //!< unsigned 2-byte int
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nc_UINT = NC_UINT, //!< unsigned 4-byte int
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nc_INT64 = NC_INT64, //!< signed 8-byte int
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nc_UINT64 = NC_UINT64 //!< unsigned 8-byte int
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};
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/*! Constructor generates a \ref isNull "null object". */
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NcEnumType();
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/*!
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Constructor.
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The enum Type must already exist in the netCDF file. New netCDF enum types can
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be added using NcGroup::addNcEnumType();
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\param grp The parent group where this type is defined.
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\param name Name of new type.
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*/
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NcEnumType(const NcGroup& grp, const std::string& name);
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/*!
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Constructor.
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Constructs from the base type NcType object. Will throw an exception if the NcType is not the base of an Enum type.
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\param ncType A Nctype object.
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*/
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NcEnumType(const NcType& ncType);
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/*! assignment operator */
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NcEnumType& operator=(const NcEnumType& rhs);
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/*!
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Assignment operator.
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This assigns from the base type NcType object. Will throw an exception if the NcType is not the base of an Enum type.
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*/
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NcEnumType& operator=(const NcType& rhs);
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/*! The copy constructor. */
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NcEnumType(const NcEnumType& rhs);
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/*! Destructor */
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~NcEnumType(){}
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/*!
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Adds a new member to this NcEnumType type.
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\param name Name for this new Enum memebr.
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\param memberValue Member value, must be of the correct NcType.
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*/
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template <class T> void addMember(const std::string& name, T memberValue)
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{
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ncCheck(nc_insert_enum(groupId, myId, name.c_str(), (void*) &memberValue),__FILE__,__LINE__);
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}
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/*! Returns number of members in this NcEnumType object. */
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size_t getMemberCount() const;
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/*! Returns the member name for the given zero-based index. */
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std::string getMemberNameFromIndex(int index) const;
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/*! Returns the member name for the given NcEnumType value. */
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template <class T> std::string getMemberNameFromValue(const T memberValue) const {
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char charName[NC_MAX_NAME+1];
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ncCheck(nc_inq_enum_ident(groupId,myId,static_cast<long long>(memberValue),charName),__FILE__,__LINE__);
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return std::string(charName);
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}
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/*!
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Returns the value of a member with the given zero-based index.
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\param name Name for this new Enum member.
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\param memberValue Member value, returned by this routine.
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*/
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template <class T> void getMemberValue(int index, T& memberValue) const
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{
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char* charName=NULL;
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ncCheck(nc_inq_enum_member(groupId,myId,index,charName,&memberValue),__FILE__,__LINE__);
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}
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/*! Returns the base type. */
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NcType getBaseType() const;
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};
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}
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#endif
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