/usr/include/tango/classattribute.h is in libtango-dev 9.2.5a+dfsg1-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// file : ClassAttribute.h
//
// description : Include file for the Tango attribute.
// Three classes are declared in this file :
//
// AttrProperty : A helper class. This class stored a couple
// property name, property value as strings
// ClassAttribute : A class for each attribute with all
// its properties defined at the class
// level. The properties are still stored
// as string
// MultiClassAttribute : A class to manage all the class
// level definition of attributes.
// There is one instance of this class
// for each tango device pattern
//
// project : TANGO
//
// author(s) : E.Taurel
//
// Copyright (C) : 2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015
// European Synchrotron Radiation Facility
// BP 220, Grenoble 38043
// FRANCE
//
// This file is part of Tango.
//
// Tango is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Tango is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Tango. If not, see <http://www.gnu.org/licenses/>.
//
// $Revision: 27976 $
//
//=============================================================================
#ifndef _CLASS_ATTRIBUTE_H
#define _CLASS_ATTRIBUTE_H
#include <tango.h>
//#include <attrdesc.h>
#include <functional>
namespace Tango
{
//=============================================================================
//
// The AttrProperty class
//
//
// description : This class is used to store a pair of attribute name,
// attribute value. Both name and value are stored as
// string
//
//=============================================================================
class AttrProperty
{
public:
AttrProperty(const char *name,const char *value);
AttrProperty(string &name,string &value);
AttrProperty(const char *name,long value);
AttrProperty(const char *name,string &value);
~AttrProperty() {};
string &get_value() {return attr_value;}
long get_lg_value() {return attr_lg;}
string &get_name() {return attr_name;}
void convert(const char *);
#ifndef TANGO_HAS_LOG4TANGO
friend ostream &operator<<(ostream &,const AttrProperty &);
#endif
private:
string attr_name;
string attr_value;
long attr_lg;
};
//=============================================================================
//
// The MultiClassAttribute class
//
//
// description : This class is a holder for all the ClassAttribute
// instance. There is one instance of this class for each
// Tango device pattern implementation. This instance is
// stored in the DeviceClass object of the pattern
//
//=============================================================================
class MultiClassAttribute
{
public:
MultiClassAttribute();
~MultiClassAttribute();
void init_class_attribute(string &class_name,long base = 0);
vector<Tango::Attr *> &get_attr_list() {return attr_list;}
Attr &get_attr(string &attr_name);
void remove_attr(const string &,const string &);
protected:
vector<Tango::Attr *> attr_list;
};
//=============================================================================
//
// A binary function object
//
//
// description : This binary function object is used by the find_if
// std C++ find_if algorithm. It checks if the
// ClassAttribute object passed as argument (A1) stored
// all the properties for the atribute name passed as
// second argument (A2).
// This function object is a predicate and therefore
// returns a boolean (R)
//
//=============================================================================
template <class A1, class A2, class R>
struct WantedClassAttr : public binary_function<A1,A2,R>
{
R operator() (A1 att,A2 name_str) const
{
return att->get_name() == name_str;
}
};
} // End of Tango namespace
#endif // _CLASS_ATTRIBUTE_H
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