Add edit text iterator that iterates through only edit text cells.

Change-Id: I898d7a2d3f0ea472daddb9dd32f772a5d7268773

1 files changed, 86 insertions, 0 deletions

diff --git a/sc/source/core/data/edittextiterator.cxx b/sc/source/core/data/edittextiterator.cxx
new file mode 100644
index 000000000000..e563f04ae562
--- /dev/null
+++ b/sc/source/core/data/edittextiterator.cxx
@@ -0,0 +1,86 @@
+/* -*- 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/.
+ */
+
+#include "edittextiterator.hxx"
+#include "document.hxx"
+#include "table.hxx"
+#include "column.hxx"
+
+namespace sc {
+
+EditTextIterator::EditTextIterator( const ScDocument& rDoc, SCTAB nTab ) :
+    mrTable(*rDoc.maTabs.at(nTab)),
+    mpCol(&mrTable.aCol[0]),
+    mpColEnd(mpCol + static_cast<size_t>(MAXCOLCOUNT)),
+    mpCells(&mpCol->maCells),
+    maPos(mpCells->position(0)),
+    miEnd(mpCells->end())
+{
+}
+
+const EditTextObject* EditTextIterator::seek()
+{
+    while (maPos.first->type != sc::element_type_edittext)
+    {
+        incBlock();
+        if (maPos.first == miEnd)
+        {
+            // Move to the next column.
+            ++mpCol;
+            if (mpCol == mpColEnd)
+                // No more columns.
+                return NULL;
+
+            mpCells = &mpCol->maCells;
+            maPos = mpCells->position(0);
+            miEnd = mpCells->end();
+        }
+    }
+
+    // We are on the right block type.
+    return sc::edittext_block::at(*maPos.first->data, maPos.second);
+}
+
+void EditTextIterator::incPos()
+{
+    if (maPos.second + 1 < maPos.first->size)
+        // Increment within the block.
+        ++maPos.second;
+    else
+        incBlock();
+}
+
+void EditTextIterator::incBlock()
+{
+    ++maPos.first;
+    maPos.second = 0;
+}
+
+const EditTextObject* EditTextIterator::first()
+{
+    mpCol = &mrTable.aCol[0];
+    mpColEnd = mpCol + static_cast<size_t>(MAXCOLCOUNT);
+    mpCells = &mpCol->maCells;
+    maPos = mpCells->position(0);
+    miEnd = mpCells->end();
+    return seek();
+}
+
+const EditTextObject* EditTextIterator::next()
+{
+    if (maPos.first == miEnd)
+        return NULL;
+
+    incPos();
+    return seek();
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */