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/** @file
* @brief Iterator over a Xapian::MSet.
*/
/* 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
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* 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/mset.h"
#include "msetinternal.h"
#include "debuglog.h"
#include "omassert.h"
#include "str.h"
using namespace std;
namespace Xapian {
Xapian::docid
MSetIterator::operator*() const
{
LOGCALL(API, Xapian::docid, "MSetIterator::operator*", NO_ARGS);
Assert(off_from_end != 0);
AssertRel(off_from_end, <=, mset.internal->items.size());
RETURN((mset.internal->items.end() - off_from_end)->get_docid());
}
Xapian::Document
MSetIterator::get_document() const
{
LOGCALL(API, Xapian::Document, "MSetIterator::get_document", NO_ARGS);
auto size = mset.internal->items.size();
Assert(off_from_end != 0);
AssertRel(off_from_end, <=, size);
RETURN(mset.internal->get_document(size - off_from_end));
}
double
MSetIterator::get_weight() const
{
LOGCALL(API, double, "MSetIterator::get_weight", NO_ARGS);
Assert(off_from_end != 0);
AssertRel(off_from_end, <=, mset.internal->items.size());
RETURN((mset.internal->items.end() - off_from_end)->get_weight());
}
string
MSetIterator::get_collapse_key() const
{
LOGCALL(API, string, "MSetIterator::get_collapse_key", NO_ARGS);
Assert(off_from_end != 0);
AssertRel(off_from_end, <=, mset.internal->items.size());
RETURN((mset.internal->items.end() - off_from_end)->get_collapse_key());
}
Xapian::doccount
MSetIterator::get_collapse_count() const
{
LOGCALL(API, Xapian::doccount, "MSetIterator::get_collapse_count", NO_ARGS);
Assert(off_from_end != 0);
AssertRel(off_from_end, <=, mset.internal->items.size());
RETURN((mset.internal->items.end() - off_from_end)->get_collapse_count());
}
string
MSetIterator::get_sort_key() const
{
LOGCALL(API, string, "MSetIterator::get_sort_key", NO_ARGS);
Assert(off_from_end != 0);
AssertRel(off_from_end, <=, mset.internal->items.size());
RETURN((mset.internal->items.end() - off_from_end)->get_sort_key());
}
std::string
MSetIterator::get_description() const
{
string desc = "MSetIterator(";
if (off_from_end == 0) {
desc += "end";
} else {
desc += str(mset.internal->items.size() - off_from_end);
}
desc += ')';
return desc;
}
}
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