SingleRFC7233Range.hh

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#ifndef _BBC_PARSE_DASH_MPD_SINGLE_RFC7233_RANGE_HH_
#define _BBC_PARSE_DASH_MPD_SINGLE_RFC7233_RANGE_HH_
/*****************************************************************************
 * DASH MPD parsing library in C++: SingleRFC7233Range class
 *****************************************************************************
 * Copyright: (C) 2025 British Broadcasting Corporation
 * Author(s): David Waring <david.waring2@bbc.co.uk>
 * License: LGPLv3
 *
 * For full license terms please see the LICENSE file distributed with this
 * library or refer to: https://www.gnu.org/licenses/lgpl-3.0.txt.
 */
#include <optional>
#include <string>
 
#include "macros.hh"

// Forward declarations for types only used by pointer or reference
namespace xmlpp {
    class Element;
    class Node;
}
 
LIBMPDPP_NAMESPACE_BEGIN

class LIBMPDPP_PUBLIC_API SingleRFC7233Range {
public:
    using size_type = size_t;
 
    SingleRFC7233Range()
        :m_fromByte(0)
        ,m_toByte()
    {};
    SingleRFC7233Range(const std::string &range_str);
    SingleRFC7233Range(size_type from, const std::optional<size_type> &to = std::nullopt)
        :m_fromByte(from)
        ,m_toByte(to)
    {};
 
    virtual ~SingleRFC7233Range() {};
 
    bool operator==(const SingleRFC7233Range &) const;
 
    operator std::string() const;
 
    size_type from() const { return m_fromByte; };
    SingleRFC7233Range &from(size_type val) { m_fromByte = val; return *this; };
 
    size_type to(size_type max_bytes) const { return m_toByte.has_value()?(m_toByte.value()<max_bytes?m_toByte.value():max_bytes-1):max_bytes-1; };
    const std::optional<size_type> &to() const { return m_toByte; };
    SingleRFC7233Range &to(const std::nullopt_t&) { m_toByte.reset(); return *this; };
    SingleRFC7233Range &to(size_type val) { m_toByte = val; return *this; };

protected:
    friend class Period;
    SingleRFC7233Range(xmlpp::Node&);
    void setXMLElement(xmlpp::Element&) const;
 
private:
    void convertString(const std::string&);
 
    size_type m_fromByte;
    std::optional<size_type> m_toByte;
};
 
LIBMPDPP_NAMESPACE_END
 
/* vim:ts=8:sts=4:sw=4:expandtab:
 */
#endif /*_BBC_PARSE_DASH_MPD_SINGLE_RFC7233_RANGE_HH_*/