sc/source/core/data/edittextiterator.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include "edittextiterator.hxx"
  11 #include "document.hxx"
  12 #include "table.hxx"
  13 #include "column.hxx"
  14
  15 namespace sc {
  16
  17 EditTextIterator::EditTextIterator( const ScDocument& rDoc, SCTAB nTab ) :
  18     mrTable(*rDoc.maTabs.at(nTab)),
  19     mpCol(&mrTable.aCol[0]),
  20     mpColEnd(mpCol + static_cast<size_t>(MAXCOLCOUNT)),
  21     mpCells(&mpCol->maCells),
  22     maPos(mpCells->position(0)),
  23     miEnd(mpCells->end())
  24 {
  25 }
  26
  27 const EditTextObject* EditTextIterator::seek()
  28 {
  29     while (maPos.first->type != sc::element_type_edittext)
  30     {
  31         incBlock();
  32         if (maPos.first == miEnd)
  33         {
  34             // Move to the next column.
  35             ++mpCol;
  36             if (mpCol == mpColEnd)
  37                 // No more columns.
  38                 return NULL;
  39
  40             mpCells = &mpCol->maCells;
  41             maPos = mpCells->position(0);
  42             miEnd = mpCells->end();
  43         }
  44     }
  45
  46     // We are on the right block type.
  47     return sc::edittext_block::at(*maPos.first->data, maPos.second);
  48 }
  49
  50 void EditTextIterator::incPos()
  51 {
  52     if (maPos.second + 1 < maPos.first->size)
  53         // Increment within the block.
  54         ++maPos.second;
  55     else
  56         incBlock();
  57 }
  58
  59 void EditTextIterator::incBlock()
  60 {
  61     ++maPos.first;
  62     maPos.second = 0;
  63 }
  64
  65 const EditTextObject* EditTextIterator::first()
  66 {
  67     mpCol = &mrTable.aCol[0];
  68     mpColEnd = mpCol + static_cast<size_t>(MAXCOLCOUNT);
  69     mpCells = &mpCol->maCells;
  70     maPos = mpCells->position(0);
  71     miEnd = mpCells->end();
  72     return seek();
  73 }
  74
  75 const EditTextObject* EditTextIterator::next()
  76 {
  77     if (maPos.first == miEnd)
  78         return NULL;
  79
  80     incPos();
  81     return seek();
  82 }
  83
  84 }
  85
  86 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */