PassiveStr.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 PassiveStr.
00033 //
00034 // pwest 11/04/03
00035 
00036 
00037 #include "config.h"
00038 
00039 static char rcsid[] not_used =
00040     {"$Id: PassiveStr.cc 16088 2007-03-28 21:42:19Z jimg $"
00041     };
00042 
00043 #include "PassiveStr.h"
00044 #include "debug.h"
00045 
00046 
00047 using std::cerr;
00048 using std::endl;
00049 
00058 PassiveStr::PassiveStr(const string &n) : Str(n)
00059 {}
00060 
00061 PassiveStr::PassiveStr(const PassiveStr &copy_from) : Str(copy_from)
00062 {}
00063 
00064 BaseType *
00065 PassiveStr::ptr_duplicate()
00066 {
00067     return new PassiveStr(*this);
00068 }
00069 
00070 PassiveStr::~PassiveStr()
00071 {
00072     DBG(cerr << "~PassiveStr" << endl);
00073 }
00074 
00075 PassiveStr &
00076 PassiveStr::operator=(const PassiveStr &rhs)
00077 {
00078     if (this == &rhs)
00079         return *this;
00080 
00081     // Call BaseType::operator=.
00082     dynamic_cast<BaseType &>(*this) = rhs;
00083 
00084     _buf = rhs._buf;
00085 
00086     return *this;
00087 }
00088 
00089 bool
00090 PassiveStr::read(const string &)
00091 {
00092     if (!read_p()) {
00093         val2buf(&_buf) ;
00094         set_read_p(true) ;
00095     }
00096 
00097     return true ;
00098 }
00099 
00100 bool
00101 PassiveStr::set_value(const string &val)
00102 {
00103     _buf = val ;
00104     return read("") ;
00105 }

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