1 | /*! |
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2 | \file netCdfInterface_impl.hpp |
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3 | \author Ha NGUYEN |
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4 | \date 08 Oct 2014 |
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5 | \since 06 Oct 2014 |
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6 | |
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7 | \brief Implementation of some templated functions in netCdfInterface |
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8 | */ |
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9 | |
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10 | #ifndef __NETCDF_INTERFACE_IMPL_HPP__ |
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11 | #define __NETCDF_INTERFACE_IMPL_HPP__ |
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12 | |
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13 | #include "netCdfInterface.hpp" |
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14 | #include "netCdfException.hpp" |
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15 | |
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16 | namespace xios |
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17 | { |
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18 | /*! |
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19 | This function reads a variable attribute or a global attribute |
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20 | given a location id, a variable id and the attribute name |
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21 | \param [in] ncid Id of group (or file id) |
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22 | \param [in] varId Id of the variable |
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23 | \param [in] attrName Name of the attribute |
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24 | \param [out] data Array of values |
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25 | \return Status code |
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26 | */ |
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27 | template<typename T> |
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28 | int CNetCdfInterface::getAttType(int ncid, int varId, const StdString& attrName, T* data) |
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29 | { |
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30 | int status = ncGetAttType(ncid, varId, attrName.c_str(), data); |
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31 | if (NC_NOERR != status) |
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32 | { |
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33 | StdStringStream sstr; |
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34 | sstr << "Error when calling function ncGetAttType(ncid, varId, attrName.c_str(), data)" << std::endl; |
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35 | sstr << nc_strerror(status) << std::endl; |
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36 | sstr << "Unable to read attribute " << attrName << " given the location id: " << ncid << " and the variable id: " << varId << std::endl; |
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37 | throw CNetCdfException(sstr.str()); |
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38 | } |
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39 | |
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40 | return status; |
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41 | } |
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42 | |
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43 | /*! |
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44 | This function adds or modifies a variable attribute or a global attribute |
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45 | given a location id, a variable id and the attribute name |
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46 | \param [in] ncid Id of group (or file id) |
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47 | \param [in] varId Id of the variable |
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48 | \param [in] attrName Name of the attribute |
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49 | \param [in] numVal Number of values to set |
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50 | \param [in] data Array of values |
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51 | \return Status code |
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52 | */ |
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53 | template<typename T> |
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54 | int CNetCdfInterface::putAttType(int ncid, int varId, const StdString& attrName, |
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55 | StdSize numVal, const T* data) |
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56 | { |
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57 | int status = ncPutAttType(ncid, varId, attrName.c_str(), numVal, data); |
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58 | if (NC_NOERR != status) |
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59 | { |
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60 | StdStringStream sstr; |
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61 | sstr << "Error when calling function ncPutAttType(ncid, varId, attrName.c_str(), numVal, data)" << std::endl; |
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62 | sstr << nc_strerror(status) << std::endl; |
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63 | sstr << "Unable to set attribute " << attrName << " given the location id: " << ncid << " and the variable id: " << varId |
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64 | << " with " << numVal << " elements." << std::endl; |
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65 | throw CNetCdfException(sstr.str()); |
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66 | } |
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67 | |
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68 | return status; |
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69 | } |
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70 | |
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71 | /*! |
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72 | This function reads data for the specified variable. |
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73 | \param [in] ncid Id of group (or file id) |
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74 | \param [in] varId Id of the variable |
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75 | \param [in] start Array specifying the index in the variable where the first data value will be written |
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76 | \param [in] count Array specifying the edge lengths along each dimension of the data block |
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77 | \param [out] data Array of values |
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78 | \return Status code |
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79 | */ |
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80 | template<typename T> |
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81 | int CNetCdfInterface::getVaraType(int ncid, int varId, const StdSize* start, const StdSize* count, T* data) |
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82 | { |
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83 | int status = ncGetVaraType(ncid, varId, start, count, data); |
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84 | if (NC_NOERR != status) |
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85 | { |
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86 | StdStringStream sstr; |
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87 | sstr << "Error when calling function ncGetVaraType(ncid, varId, start, count, data)" << std::endl; |
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88 | sstr << nc_strerror(status) << std::endl; |
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89 | sstr << "Unable to read data given the location id: " << ncid << " and the variable id: " << varId << std::endl; |
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90 | throw CNetCdfException(sstr.str()); |
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91 | } |
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92 | |
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93 | return status; |
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94 | } |
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95 | |
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96 | /*! |
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97 | This function writes the given data for the specified variable. |
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98 | \param [in] ncid Id of group (or file id) |
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99 | \param [in] varId Id of the variable |
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100 | \param [in] start Array specifying the index in the variable where the first data value will be written |
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101 | \param [in] count Array specifying the edge lengths along each dimension of the data block |
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102 | \param [in] data Array of values |
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103 | \return Status code |
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104 | */ |
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105 | template<typename T> |
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106 | int CNetCdfInterface::putVaraType(int ncid, int varId, const StdSize* start, const StdSize* count, const T* data) |
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107 | { |
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108 | int status = ncPutVaraType(ncid, varId, start, count, data); |
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109 | if (NC_NOERR != status) |
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110 | { |
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111 | StdStringStream sstr; |
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112 | sstr << "Error when calling function ncPutVaraType(ncid, varId, start, count, data)" << std::endl; |
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113 | sstr << nc_strerror(status) << std::endl; |
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114 | sstr << "Unable to write data given the location id: " << ncid << " and the variable id: " << varId << std::endl; |
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115 | throw CNetCdfException(sstr.str()); |
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116 | } |
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117 | |
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118 | return status; |
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119 | } |
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120 | } |
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121 | |
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122 | #endif // __NETCDF_INTERFACE_IMPL_HPP__ |
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