CommonSupportStream.h

//  trax track library
//  AD 2021 
//
//  "the resolution of all the fruitless searches"
//
//                              Peter Gabriel
//
// Copyright (c) 2025 Trend Redaktions- und Verlagsgesellschaft mbH
// Copyright (c) 2019 Marc-Michael Horstmann
//
// Permission is hereby granted to any person obtaining a copy of this software 
// and associated source code (the "Software"), to use, view, and study the 
// Software for personal or internal business purposes, subject to the following 
// conditions:
//
// 1. Redistribution, modification, sublicensing, or commercial use of the 
// Software is NOT permitted without prior written consent from the copyright 
// holder.
//
// 2. The Software is provided "AS IS", without warranty of any kind, express 
// or implied.
//
// 3. All copies of the Software must retain this license notice.
//
// For further information, please contact: horstmann.marc@trendverlag.de
 
#pragma once
 
#include "../Interval.h"
 
#include <iostream>
 
namespace common{

    
    
    template<typename Valtype>
    std::ostream& operator << ( std::ostream& os, const common::Interval<Valtype>& i );

    template<typename Valtype>
    std::istream& operator >> ( std::istream& is, common::Interval<Valtype>& i );
 
 
 
template<typename Valtype> inline
std::ostream& operator << ( std::ostream& os, const common::Interval<Valtype>& i ){
    os << "Interval( " << i.Near() << ", " << i.Far() << " )";
    return os;
}
 
inline void StreamInHead( std::istream& is, const std::string& head ){
    std::string token;
    std::getline( is, token, '(' );
    token.erase( std::remove_if( token.begin(), token.end(), [](unsigned char x) { return std::isspace(x); }), token.end() );
    if( token != head ){
        is.setstate( std::ios_base::failbit );
        throw std::runtime_error( "Stream in head: " + token + " is not " + head );
    }
}
 
template<typename Valtype> inline
std::istream& operator >> ( std::istream& is, common::Interval<Valtype>& i )
{
    StreamInHead( is, "Interval" );
 
    char c;
    is >> i.m_Near;
    is >> c; assert( c == ',' );
    is >> i.m_Far;
    is >> c; assert( c == ')' );
    return is;
}
 
}