// Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.

#ifndef __LABELSEQUENCE_H
#define __LABELSEQUENCE_H 1

#include <dns/name.h>
#include <util/buffer.h>

namespace isc {
namespace dns {

class LabelSequence {
public:
    LabelSequence(const Name& name);
    ~LabelSequence();

    const char* getData(size_t* len) const;

    bool equals(const LabelSequence& other, bool case_sensitive = false) const;

    void split(int i);

    size_t getLabelCount() const { return last_label_ - first_label_; }

    const Name& getName() const { return name_; }

private:
    const Name& name_;
    size_t first_label_;
    size_t last_label_;
    size_t* offsets_;
};


} // end namespace dns
} // end namespace isc

#endif