office-gobmx/sc/inc/columniterator.hxx
Kohei Yoshida d4cd867788 tdf#107945: properly iterate over mtv during pivot cache loading.
This reduces the total time required for populating the pivot cache
by ~60%.

Change-Id: I6a8511959c20231a8a5dbd0b0a9a3d0930a1fa0c
Reviewed-on: https://gerrit.libreoffice.org/37971
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Kohei Yoshida <libreoffice@kohei.us>
2017-05-24 05:19:40 +02:00

83 lines
2.3 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDED_SC_INC_COLUMNITERATOR_HXX
#define INCLUDED_SC_INC_COLUMNITERATOR_HXX
#include "column.hxx"
class ScColumnTextWidthIterator
{
sc::CellTextAttrStoreType& mrCellTextAttrs;
const size_t mnEnd;
size_t mnCurPos;
sc::CellTextAttrStoreType::iterator miBlockCur;
sc::CellTextAttrStoreType::iterator miBlockEnd;
sc::celltextattr_block::iterator miDataCur;
sc::celltextattr_block::iterator miDataEnd;
public:
ScColumnTextWidthIterator(const ScColumnTextWidthIterator&) = delete;
const ScColumnTextWidthIterator& operator=(const ScColumnTextWidthIterator&) = delete;
ScColumnTextWidthIterator(ScColumn& rCol, SCROW nStartRow, SCROW nEndRow);
/**
* @param rDoc document instance.
* @param rStartPos position of the first cell from which to start
* iteration. Note that the caller must ensure that this
* position is valid; the constructor does not check its
* validity.
* @param nEndRow end row position.
*/
ScColumnTextWidthIterator(ScDocument& rDoc, const ScAddress& rStartPos, SCROW nEndRow);
void next();
bool hasCell() const;
SCROW getPos() const;
sal_uInt16 getValue() const;
void setValue(sal_uInt16 nVal);
private:
void init(SCROW nStartRow, SCROW nEndRow);
void getDataIterators(size_t nOffsetInBlock);
void checkEndRow();
};
namespace sc {
/**
* This iterator lets you iterate over cells over specified range in a
* single column. It does not modify the state of the cells, and therefore
* is thread safe.
*/
class ColumnIterator
{
CellStoreType::const_position_type maPos;
CellStoreType::const_position_type maPosEnd;
public:
ColumnIterator( const CellStoreType& rCells, SCROW nRow1, SCROW nRow2 );
~ColumnIterator();
void next();
SCROW getRow() const;
bool hasCell() const;
mdds::mtv::element_t getType() const;
ScRefCellValue getCell() const;
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */