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casa
$Rev:20696$
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casa
$Rev:20696$
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00001 //# IBMDataConversion.h: A class with virtual functions to convert IBM format 00002 //# Copyright (C) 1996,1999,2001 00003 //# Associated Universities, Inc. Washington DC, USA. 00004 //# 00005 //# This library is free software; you can redistribute it and/or modify it 00006 //# under the terms of the GNU Library General Public License as published by 00007 //# the Free Software Foundation; either version 2 of the License, or (at your 00008 //# option) any later version. 00009 //# 00010 //# This library is distributed in the hope that it will be useful, but WITHOUT 00011 //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00012 //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public 00013 //# License for more details. 00014 //# 00015 //# You should have received a copy of the GNU Library General Public License 00016 //# along with this library; if not, write to the Free Software Foundation, 00017 //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA. 00018 //# 00019 //# Correspondence concerning AIPS++ should be addressed as follows: 00020 //# Internet email: aips2-request@nrao.edu. 00021 //# Postal address: AIPS++ Project Office 00022 //# National Radio Astronomy Observatory 00023 //# 520 Edgemont Road 00024 //# Charlottesville, VA 22903-2475 USA 00025 //# 00026 //# $Id: IBMDataConversion.h 20551 2009-03-25 00:11:33Z Malte.Marquarding $ 00027 00028 #ifndef CASA_IBMDATACONVERSION_H 00029 #define CASA_IBMDATACONVERSION_H 00030 00031 //# Includes 00032 #include <casa/aips.h> 00033 #include <casa/OS/DataConversion.h> 00034 00035 00036 namespace casa { //# NAMESPACE CASA - BEGIN 00037 00038 // <summary> 00039 // A class with virtual functions to convert IBM format. 00040 // </summary> 00041 00042 // <use visibility=export> 00043 00044 // <reviewed reviewer="Friso Olnon" date="1996/11/06" tests="tDataConversion" demos=""> 00045 // </reviewed> 00046 00047 // <synopsis> 00048 // This class is a specialization of the abstract base class 00049 // <linkto class=DataConversion>DataConversion</linkto>. 00050 // It contains functions to convert data from/to the old IBM format 00051 // using the static functions in class <linkto class=IBMConversion> 00052 // IBMConversion</linkto>. 00053 // </synopsis> 00054 00055 // <example> 00056 // See example in class <linkto class=DataConversion>DataConversion</linkto>. 00057 // </example> 00058 00059 // <motivation> 00060 // This class is an addition to <linkto class=IBMConversion>IBMConversion 00061 // </linkto> to be able to use the conversion functions in a polymorphic way. 00062 // </motivation> 00063 00064 // <todo asof="$DATE$"> 00065 // <li> Support data type long double. 00066 // </todo> 00067 00068 00069 class IBMDataConversion : public DataConversion 00070 { 00071 public: 00072 // Construct the object. 00073 IBMDataConversion(); 00074 00075 virtual ~IBMDataConversion(); 00076 00077 // Convert one value from IBM format to local format. 00078 // The from and to buffer should not overlap. 00079 // <note> 00080 // The char version converts from EBCDIC to ASCII, while the 00081 // unsigned char version is a simple copy. 00082 // </note> 00083 // <group> 00084 virtual unsigned int toLocal (char& to, const void* from) const; 00085 virtual unsigned int toLocal (unsigned char& to, const void* from) const; 00086 virtual unsigned int toLocal (short& to, const void* from) const; 00087 virtual unsigned int toLocal (unsigned short& to, const void* from) const; 00088 virtual unsigned int toLocal (int& to, const void* from) const; 00089 virtual unsigned int toLocal (unsigned int& to, const void* from) const; 00090 virtual unsigned int toLocal (Int64& to, const void* from) const; 00091 virtual unsigned int toLocal (uInt64& to, const void* from) const; 00092 virtual unsigned int toLocal (float& to, const void* from) const; 00093 virtual unsigned int toLocal (double& to, const void* from) const; 00094 // </group> 00095 00096 // Convert nr values from IBM format to local format. 00097 // The from and to buffer should not overlap. 00098 // <note> 00099 // The char version converts from EBCDIC to ASCII, while the 00100 // unsigned char version is a simple copy. 00101 // </note> 00102 // <group> 00103 virtual unsigned int toLocal (char* to, const void* from, 00104 unsigned int nr) const; 00105 virtual unsigned int toLocal (unsigned char* to, const void* from, 00106 unsigned int nr) const; 00107 virtual unsigned int toLocal (short* to, const void* from, 00108 unsigned int nr) const; 00109 virtual unsigned int toLocal (unsigned short* to, const void* from, 00110 unsigned int nr) const; 00111 virtual unsigned int toLocal (int* to, const void* from, 00112 unsigned int nr) const; 00113 virtual unsigned int toLocal (unsigned int* to, const void* from, 00114 unsigned int nr) const; 00115 virtual unsigned int toLocal (Int64* to, const void* from, 00116 unsigned int nr) const; 00117 virtual unsigned int toLocal (uInt64* to, const void* from, 00118 unsigned int nr) const; 00119 virtual unsigned int toLocal (float* to, const void* from, 00120 unsigned int nr) const; 00121 virtual unsigned int toLocal (double* to, const void* from, 00122 unsigned int nr) const; 00123 // </group> 00124 00125 // Convert one value from local format to IBM format. 00126 // The from and to buffer should not overlap. 00127 // <note> 00128 // The char version converts from ASCII to EBCDIC, while the 00129 // unsigned char version is a simple copy. 00130 // </note> 00131 // <group> 00132 virtual unsigned int fromLocal (void* to, char from) const; 00133 virtual unsigned int fromLocal (void* to, unsigned char from) const; 00134 virtual unsigned int fromLocal (void* to, short from) const; 00135 virtual unsigned int fromLocal (void* to, unsigned short from) const; 00136 virtual unsigned int fromLocal (void* to, int from) const; 00137 virtual unsigned int fromLocal (void* to, unsigned int from) const; 00138 virtual unsigned int fromLocal (void* to, Int64 from) const; 00139 virtual unsigned int fromLocal (void* to, uInt64 from) const; 00140 virtual unsigned int fromLocal (void* to, float from) const; 00141 virtual unsigned int fromLocal (void* to, double from) const; 00142 // </group> 00143 00144 // Convert nr values from local format to IBM format. 00145 // The from and to buffer should not overlap. 00146 // <note> 00147 // The char version converts from ASCII to EBCDIC, while the 00148 // unsigned char version is a simple copy. 00149 // </note> 00150 // <group> 00151 virtual unsigned int fromLocal (void* to, const char* from, 00152 unsigned int nr) const; 00153 virtual unsigned int fromLocal (void* to, const unsigned char* from, 00154 unsigned int nr) const; 00155 virtual unsigned int fromLocal (void* to, const short* from, 00156 unsigned int nr) const; 00157 virtual unsigned int fromLocal (void* to, const unsigned short* from, 00158 unsigned int nr) const; 00159 virtual unsigned int fromLocal (void* to, const int* from, 00160 unsigned int nr) const; 00161 virtual unsigned int fromLocal (void* to, const unsigned int* from, 00162 unsigned int nr) const; 00163 virtual unsigned int fromLocal (void* to, const Int64* from, 00164 unsigned int nr) const; 00165 virtual unsigned int fromLocal (void* to, const uInt64* from, 00166 unsigned int nr) const; 00167 virtual unsigned int fromLocal (void* to, const float* from, 00168 unsigned int nr) const; 00169 virtual unsigned int fromLocal (void* to, const double* from, 00170 unsigned int nr) const; 00171 // </group> 00172 00173 // Determine if the data for a data type can be simply copied, thus 00174 // if no conversion is needed. 00175 // <group> 00176 virtual Bool canCopy (const char*) const; 00177 virtual Bool canCopy (const unsigned char*) const; 00178 virtual Bool canCopy (const short*) const; 00179 virtual Bool canCopy (const unsigned short*) const; 00180 virtual Bool canCopy (const int*) const; 00181 virtual Bool canCopy (const unsigned int*) const; 00182 virtual Bool canCopy (const Int64*) const; 00183 virtual Bool canCopy (const uInt64*) const; 00184 virtual Bool canCopy (const float*) const; 00185 virtual Bool canCopy (const double*) const; 00186 // </group> 00187 00188 // Get the external size of the data type. 00189 // <group> 00190 virtual unsigned int externalSize (const char*) const; 00191 virtual unsigned int externalSize (const unsigned char*) const; 00192 virtual unsigned int externalSize (const short*) const; 00193 virtual unsigned int externalSize (const unsigned short*) const; 00194 virtual unsigned int externalSize (const int*) const; 00195 virtual unsigned int externalSize (const unsigned int*) const; 00196 virtual unsigned int externalSize (const Int64*) const; 00197 virtual unsigned int externalSize (const uInt64*) const; 00198 virtual unsigned int externalSize (const float*) const; 00199 virtual unsigned int externalSize (const double*) const; 00200 // </group> 00201 }; 00202 00203 00204 inline IBMDataConversion::IBMDataConversion() 00205 {} 00206 00207 00208 00209 } //# NAMESPACE CASA - END 00210 00211 #endif
1.8.0
