mirror of https://github.com/tfussell/xlnt
135 lines
3.8 KiB
C++
135 lines
3.8 KiB
C++
// Copyright (c) 2014-2016 Thomas Fussell
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, WRISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE
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//
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// @license: http://www.opensource.org/licenses/mit-license.php
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// @author: see AUTHORS file
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#include <xlnt/cell/cell.hpp>
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#include <xlnt/cell/cell_reference.hpp>
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#include <xlnt/worksheet/cell_iterator.hpp>
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#include <xlnt/worksheet/major_order.hpp>
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namespace xlnt {
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cell_iterator::cell_iterator(worksheet ws, const cell_reference &start_cell,
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const range_reference &limits, major_order order)
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: ws_(ws),
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current_cell_(start_cell),
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range_(limits),
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order_(order)
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{
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if (!ws.has_cell(current_cell_))
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{
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(*this)++; // move to the next non-empty cell or one past the end if none exists
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}
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}
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cell_iterator::cell_iterator(const cell_iterator &other)
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{
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*this = other;
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}
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bool cell_iterator::operator==(const cell_iterator &other) const
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{
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return ws_ == other.ws_
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&& current_cell_ == other.current_cell_
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&& order_ == other.order_;
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}
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bool cell_iterator::operator!=(const cell_iterator &other) const
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{
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return !(*this == other);
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}
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cell_iterator &cell_iterator::operator--()
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{
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if (order_ == major_order::row)
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{
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current_cell_.column_index(current_cell_.column_index() - 1);
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while (!ws_.has_cell(current_cell_) && current_cell_.column() > range_.top_left().column())
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{
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current_cell_.column_index(current_cell_.column_index() - 1);
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}
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}
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else
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{
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current_cell_.row(current_cell_.row() - 1);
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while (!ws_.has_cell(current_cell_) && current_cell_.row() > range_.top_left().row())
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{
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current_cell_.row(current_cell_.row() - 1);
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}
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}
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return *this;
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}
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cell_iterator cell_iterator::operator--(int)
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{
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cell_iterator old = *this;
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--*this;
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return old;
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}
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cell_iterator &cell_iterator::operator++()
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{
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if (order_ == major_order::row)
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{
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if (current_cell_.column() <= range_.bottom_right().column())
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{
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current_cell_.column_index(current_cell_.column_index() + 1);
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}
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while (!ws_.has_cell(current_cell_) && current_cell_.column() <= range_.bottom_right().column())
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{
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current_cell_.column_index(current_cell_.column_index() + 1);
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}
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}
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else
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{
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if (current_cell_.row() <= range_.bottom_right().row())
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{
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current_cell_.row(current_cell_.row() + 1);
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}
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while (!ws_.has_cell(current_cell_) && current_cell_.row() <= range_.bottom_right().row())
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{
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current_cell_.row(current_cell_.row() + 1);
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}
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}
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return *this;
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}
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cell_iterator cell_iterator::operator++(int)
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{
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cell_iterator old = *this;
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++*this;
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return old;
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}
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cell cell_iterator::operator*()
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{
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return ws_[current_cell_];
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}
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} // namespace xlnt
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