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/** @file
* @brief Set of documents judged as relevant
*/
/* Copyright (C) 2017 Olly Betts
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see
* <https://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <xapian/rset.h>
#include "rsetinternal.h"
#include "str.h"
#include <string>
using namespace std;
namespace Xapian {
RSet::RSet(const RSet&) = default;
RSet&
RSet::operator=(const RSet&) = default;
RSet::RSet(RSet &&) = default;
RSet&
RSet::operator=(RSet &&) = default;
RSet::RSet() {}
RSet::RSet(Internal* internal_) : internal(internal_) {}
RSet::~RSet() {}
Xapian::doccount
RSet::size() const
{
return internal ? internal->docs.size() : 0;
}
void
RSet::add_document(Xapian::docid did)
{
if (rare(did == 0))
throw Xapian::InvalidArgumentError("Docid 0 not valid in an RSet");
if (!internal)
internal = new RSet::Internal;
internal->docs.insert(did);
}
void
RSet::remove_document(Xapian::docid did)
{
if (rare(did == 0))
throw Xapian::InvalidArgumentError("Docid 0 not valid in an RSet");
if (internal)
internal->docs.erase(did);
}
bool
RSet::contains(Xapian::docid did) const
{
return internal && internal->docs.find(did) != internal->docs.end();
}
string
RSet::get_description() const
{
string desc = "RSet(";
if (!internal || internal->docs.empty()) {
desc += ')';
} else {
for (auto&& did : internal->docs) {
desc += str(did);
desc += ',';
}
desc.back() = ')';
}
return desc;
}
}
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