/*
 * Copyright 2013 (c) Anna Schumaker.
 */
#include <database.h>

IndexEntry :: IndexEntry()
{
}

IndexEntry :: IndexEntry(const std::string &k, unsigned int v)
	    : key(k)
{
	insert(v);
}

IndexEntry :: ~IndexEntry()
{
}

const std::string &IndexEntry :: primary_key()
{
	return key;
}

void IndexEntry :: write(File &f)
{
	std::set<unsigned int>::iterator it;
	f << key << std::endl << values.size() << " ";
	for (it = values.begin(); it != values.end(); it++)
		f << *it << " ";
}

void IndexEntry :: read(File &f)
{
	unsigned int num, val;

	f >> key >> num;
	for (unsigned int i = 0; i < num; i++) {
		f >> val;
		values.insert(val);
	}
}

void IndexEntry :: print()
{
	std::set<unsigned int>::iterator it;
	:: print("{");
	for (it = values.begin(); it != values.end(); it++) {
		if (it != values.begin())
			:: print(" ");
		:: print("%d", *it);
	}
	:: print("}");
}

void IndexEntry :: insert(unsigned int val)
{
	values.insert(val);
}

void IndexEntry :: remove(unsigned int val)
{
	values.erase(val);
}