PassiveByte.cc

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00001 
00002 // -*- mode: c++; c-basic-offset:4 -*-
00003 
00004 // This file is part of libdap, A C++ implementation of the OPeNDAP Data
00005 // Access Protocol.
00006 
00007 // Copyright (c) 2002,2003 OPeNDAP, Inc.
00008 // Author: James Gallagher <jgallagher@opendap.org>
00009 //
00010 // This library is free software; you can redistribute it and/or
00011 // modify it under the terms of the GNU Lesser General Public
00012 // License as published by the Free Software Foundation; either
00013 // version 2.1 of the License, or (at your option) any later version.
00014 //
00015 // This library is distributed in the hope that it will be useful,
00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00023 //
00024 // You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
00025 
00026 // (c) COPYRIGHT URI/MIT 1994-1999
00027 // Please read the full copyright statement in the file COPYRIGHT_URI.
00028 //
00029 // Authors:
00030 //      pwest       Patrick West <pwest@ucar.edu>
00031 
00032 // Implementation for PassiveByte.
00033 //
00034 // pwest 11/04/03
00035 
00036 
00037 #include "config.h"
00038 
00039 static char rcsid[] not_used =
00040     {"$Id: PassiveByte.cc 16088 2007-03-28 21:42:19Z jimg $"
00041     };
00042 
00043 #include <stdlib.h>
00044 
00045 #include "PassiveByte.h"
00046 #include "InternalErr.h"
00047 #include "debug.h"
00048 
00049 
00050 using std::cerr;
00051 using std::endl;
00052 
00067 PassiveByte::PassiveByte(const string &n) : Byte(n)
00068 {}
00069 
00070 PassiveByte::PassiveByte(const PassiveByte &copy_from) : Byte(copy_from)
00071 {}
00072 
00073 BaseType *
00074 PassiveByte::ptr_duplicate()
00075 {
00076     return new PassiveByte(*this);
00077 }
00078 
00079 PassiveByte::~PassiveByte()
00080 {
00081     DBG(cerr << "~PassiveByte" << endl);
00082 }
00083 
00084 PassiveByte &
00085 PassiveByte::operator=(const PassiveByte &rhs)
00086 {
00087     if (this == &rhs)
00088         return *this;
00089 
00090     dynamic_cast<BaseType &>(*this) = rhs;
00091 
00092     _buf = rhs._buf;
00093 
00094     return *this;
00095 }
00096 
00097 bool
00098 PassiveByte::read(const string &)
00099 {
00100     if (!read_p()) {
00101         val2buf(&_buf) ;
00102         set_read_p(true) ;
00103     }
00104 
00105     return true ;
00106 }
00107 
00108 bool
00109 PassiveByte::set_value(dods_byte val)
00110 {
00111     _buf = val ;
00112     return read("") ;
00113 }

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