91 lines
2.1 KiB
C
91 lines
2.1 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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// $XConsortium: Feature.cc /main/3 1996/06/11 17:06:39 cde-hal $
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#include "SymTab.h"
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#include "Feature.h"
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#include "FeatureValue.h"
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#include <assert.h>
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#include <stdarg.h>
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Feature::Feature(const Symbol &name, FeatureValue *value)
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: f_name(name),
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f_value(value)
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{
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}
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Feature::Feature(const Feature &orig_feature)
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: f_name(orig_feature.name()),
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f_value(orig_feature.value()->clone())
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{
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}
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unsigned int Feature::operator==(const Feature &f )
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{
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return f.name() == f_name;
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}
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Feature::~Feature()
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{
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delete f_value ;
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}
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FeatureValue *
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Feature::evaluate() const
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{
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return f_value->evaluate();
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}
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// /////////////////////////////////////////////////////////////////////////
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// Printing
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// /////////////////////////////////////////////////////////////////////////
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ostream &operator << (ostream &o, const Feature &f)
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{
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return f.print(o);
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}
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ostream &
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Feature::print(ostream &o) const
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{
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return o << f_name << ": " << *f_value ;
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}
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void
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Feature::merge(const Feature &feature_to_merge)
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{
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assert(f_name == feature_to_merge.name());
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if (*f_value == *feature_to_merge.value())
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;
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else
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{
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FeatureValue *new_value = f_value->merge(*feature_to_merge.value());
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delete f_value ;
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f_value = new_value ;
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}
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}
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