/**
 * Copyright 2014 (c) Anna Schumaker.
 */
#include <core/string.h>
#include <core/tags/generic.h>

GenericTag :: GenericTag() {}

GenericTag :: GenericTag(const std::string &name)
	    : _name(name), _lower(string :: lowercase(name))
{
}

GenericTag :: GenericTag(const GenericTag &tag)
	    : _name(tag._name), _lower(tag._lower)
{
}

const std::string GenericTag :: primary_key() const
{
	return _name;
}

void GenericTag :: read(File &file)
{
	_name  = file.getline();
	_lower = string :: lowercase(_name);
}

void GenericTag :: write(File &file)
{
	file << _name;
}

const std::string &GenericTag :: name() const
{
	return _name;
}

const std::string &GenericTag :: lowercase()
{
	return _lower;
}

int GenericTag :: compare(const GenericTag *rhs)
{
	if (_lower.size() == 0)
		return 1;
	if (rhs->_lower.size() == 0)
		return -1;
	return _lower.compare(rhs->_lower);
}