1 files changed, 97 insertions, 0 deletions
diff --git a/sc/source/core/data/edittextiterator.cxx b/sc/source/core/data/edittextiterator.cxx
new file mode 100644
index 000000000..bdf7c9934
--- /dev/null
+++ b/sc/source/core/data/edittextiterator.cxx
@@ -0,0 +1,97 @@
+/* -*- 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)),
+    mnCol(0),
+    mpCells(nullptr),
+    miEnd(maPos.first)
+{
+    init();
+}
+
+void EditTextIterator::init()
+{
+    mnCol = 0;
+    if (mnCol >= mrTable.aCol.size())
+        mnCol = -1;
+
+    if (mnCol != -1)
+    {
+        mpCells = &mrTable.aCol[mnCol].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.
+            ++mnCol;
+            if (mnCol >= mrTable.aCol.size())
+                // No more columns.
+                return nullptr;
+
+            mpCells = &mrTable.aCol[mnCol].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::incBlock()
+{
+    ++maPos.first;
+    maPos.second = 0;
+}
+
+const EditTextObject* EditTextIterator::first()
+{
+    init();
+    if (mnCol == -1)
+        return nullptr;
+    return seek();
+}
+
+const EditTextObject* EditTextIterator::next()
+{
+    if (mnCol == -1)
+        return nullptr;
+
+    if (maPos.first == miEnd)
+        return nullptr;
+
+    // increment position by one
+    if (maPos.second + 1 < maPos.first->size)
+        // Increment within the block.
+        ++maPos.second;
+    else
+        incBlock();
+
+    return seek();
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */