Length.h

/*
 * ALMA - Atacama Large Millimeter Array
 * (c) European Southern Observatory, 2002
 * (c) Associated Universities Inc., 2002
 * Copyright by ESO (in the framework of the ALMA collaboration),
 * Copyright by AUI (in the framework of the ALMA collaboration),
 * All rights reserved.
 * 
 * This library 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 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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 this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307  USA
 *
 * File Length.h
 */

#ifndef Length_CLASS
#define Length_CLASS

#include <vector>
#include <iostream>
#include <string>
using namespace std;

#ifndef WITHOUT_ACS
#include <asdmIDLTypesC.h>
using asdmIDLTypes::IDLLength;
#endif

#include <StringTokenizer.h>
#include <NumberFormatException.h>
using asdm::StringTokenizer;
using asdm::NumberFormatException;

#include "EndianStream.h"
using asdm::EndianOSStream;
using asdm::EndianISStream;

namespace asdm {

class Length;
Length operator * ( double , const Length & );
ostream & operator << ( ostream &, const Length & );
istream & operator >> ( istream &, Length&);

class Length {
        friend Length operator * ( double , const Length & );
    friend ostream & operator << ( ostream &, const Length & );
        friend istream & operator >> ( istream &, Length&);

public:
        static double fromString(const string&);
        static string toString(double);
        static Length getLength(StringTokenizer &t) throw(NumberFormatException);
        
        void toBin(EndianOSStream& eoss);

        static void toBin(const vector<Length>& len,  EndianOSStream& eoss);
        
        static void toBin(const vector<vector<Length> >& len,  EndianOSStream& eoss);
        
        static void toBin(const vector<vector<vector<Length> > >& len,  EndianOSStream& eoss);

        static Length fromBin(EndianISStream& eiss);
        
         static vector<Length> from1DBin(EndianISStream & eiss);
         
         static vector<vector<Length> > from2DBin(EndianISStream & eiss);
         
         static vector<vector<vector<Length> > > from3DBin(EndianISStream & eiss);       
                

        Length();                                       // default constructor
        Length(const Length &);                                         // X const X& constructor
        Length(const string &s);
#ifndef WITHOUT_ACS     
        Length(const IDLLength &);
#endif
        Length(double value);
        virtual ~Length();                                                      // destructor

        Length& operator = (const Length&);                     // assignment operator
        Length& operator = (const double);                      // assignment operator

        Length& operator += (const Length&);            // assignment with arithmetic
        Length& operator -= (const Length&);            //      operators
        Length& operator *= (const double);
        Length& operator /= (const double);

        Length operator + (const Length&) const;        // arithmetic operators
        Length operator - (const Length&) const;
        Length operator * (const double) const;
        Length operator / (const double) const;

        bool operator < (const Length&) const;          // comparison operators
        bool operator > (const Length&) const;
        bool operator <= (const Length&) const;
        bool operator >= (const Length&) const;
        bool operator == (const Length&) const;
        bool equals(const Length&) const;
        bool operator != (const Length&) const;

        bool isZero() const;

        Length operator - () const;                                     // unary minus
        Length operator + () const;                             // unary plus

        string toString() const;
        string toStringI() const;

        operator string () const;
        double get() const;
#ifndef WITHOUT_ACS
        IDLLength toIDLLength() const;
#endif
        static string unit();

private:
        double value;

};

// Length constructors
inline Length::Length() : value(0.0) {
}

inline Length::Length(const Length &t) : value(t.value) {
}

#ifndef WITHOUT_ACS
inline Length::Length(const IDLLength &l) : value(l.value) {
}
#endif

inline Length::Length(const string &s) : value(fromString(s)) {
}

inline Length::Length(double v) : value(v) {
}

// Length destructor
inline Length::~Length() { }

// assignment operator
inline Length& Length::operator = ( const Length &t ) {
        value = t.value;
        return *this;
}

// assignment operator
inline Length& Length::operator = ( const double v ) {
        value = v;
        return *this;
}

// assignment with arithmetic operators
inline Length& Length::operator += ( const Length& t) {
        value += t.value;
        return *this;
}

inline Length& Length::operator -= ( const Length& t) {
        value -= t.value;
        return *this;
}

inline Length& Length::operator *= ( const double n) {
        value *= n;
        return *this;
}

inline Length& Length::operator /= ( const double n) {
        value /= n;
        return *this;
}

// arithmetic functions
inline Length Length::operator + ( const Length &t2 ) const {
        Length tmp;
        tmp.value = value + t2.value;
        return tmp;
}

inline Length Length::operator - ( const Length &t2 ) const {
        Length tmp;
        tmp.value = value - t2.value;
        return tmp;
}
inline Length Length::operator * ( const double n) const {
        Length tmp;
        tmp.value = value * n;
        return tmp;
}

inline Length Length::operator / ( const double n) const {
        Length tmp;
        tmp.value = value / n;
        return tmp;
}

// comparison operators
inline bool Length::operator < (const Length& x) const {
        return (value < x.value);
}

inline bool Length::operator > (const Length& x) const {
        return (value > x.value);
}

inline bool Length::operator <= (const Length& x) const {
        return (value <= x.value);
}

inline bool Length::operator >= (const Length& x) const {
        return (value >= x.value);
}

inline bool Length::operator == (const Length& x) const {
        return (value == x.value);
}
inline bool Length::equals(const Length& x) const {
        return (value == x.value);
}

inline bool Length::operator != (const Length& x) const {
        return (value != x.value);
}

// unary - and + operators
inline Length Length::operator - () const {
        Length tmp;
        tmp.value = -value;
        return tmp;
}

inline Length Length::operator + () const {
        Length tmp;
    tmp.value = value;
        return tmp;
}

// Conversion functions
inline Length::operator string () const {
        return toString();
}

inline string Length::toString() const {
        return toString(value);
}

inline string Length::toStringI() const {
        return toString(value);
}

inline double Length::get() const {
        return value;
}

#ifndef WITHOUT_ACS
inline IDLLength Length::toIDLLength() const {
        IDLLength tmp;
        tmp.value = value;
        return tmp;
}
#endif

// Friend functions

inline Length operator * ( double n, const Length &x) {
        Length tmp;
        tmp.value = x.value * n;
        return tmp;
}

inline ostream & operator << ( ostream &o, const Length &x ) {
        o << x.value;
        return o;
}

inline istream & operator >> ( istream &i, Length &x ) {
        i >> x.value;
        return i;
}

inline string Length::unit() {
        return string ("m");
}

} // End namespace asdm

#endif /* Length_CLASS */

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