7e403195e5
...with a boost::optional fallback for Xcode < 10 (as std::optional is only
available starting with Xcode 10 according to
<https://en.cppreference.com/w/cpp/compiler_support>, and our baseline for iOS
and macOS is still Xcode 9.3 according to README.md). And mechanically rewrite
all code to use o3tl::optional instead of boost::optional.
One immediate benefit is that disabling -Wmaybe-uninitialized for GCC as per
fed7c3deb3 "Slience bogus
-Werror=maybe-uninitialized" should no longer be necessary (and whose check
happened to no longer trigger for GCC 10 trunk, even though that compiler would
still emit bogus -Wmaybe-uninitialized for uses of boost::optional under
--enable-optimized, which made me ponder whether this switch from
boost::optional to std::optional would be a useful thing to do; I keep that
configure.ac check for now, though, and will only remove it in a follow up
commit).
Another longer-term benefit is that the code is now already in good shape for an
eventual switch to std::optional (a switch we would have done anyway once we no
longer need to support Xcode < 10).
Only desktop/qa/desktop_lib/test_desktop_lib.cxx heavily uses
boost::property_tree::ptree::get_child_optional returning boost::optional, so
let it keep using boost::optional for now.
After a number of preceding commits have paved the way for this change, this
commit is completely mechanical, done with
> git ls-files -z | grep -vz -e '^bin/find-unneeded-includes$' -e '^configure.ac$' -e '^desktop/qa/desktop_lib/test_desktop_lib.cxx$' -e '^dictionaries$' -e '^external/' -e '^helpcontent2$' -e '^include/IwyuFilter_include.yaml$' -e '^sc/IwyuFilter_sc.yaml$' -e '^solenv/gdb/boost/optional.py$' -e '^solenv/vs/LibreOffice.natvis$' -e '^translations$' -e '\.svg$' | xargs -0 sed -i -E -e 's|\<boost(/optional)?/optional\.hpp\>|o3tl/optional.hxx|g' -e 's/\<boost(\s*)::(\s*)(make_)?optional\>/o3tl\1::\2\3optional/g' -e 's/\<boost(\s*)::(\s*)none\>/o3tl\1::\2nullopt/g'
(before committing include/o3tl/optional.hxx, and relying on some GNU features).
It excludes some files where mention of boost::optional et al should apparently
not be changed (and the sub-repo directory stubs). It turned out that all uses
of boost::none across the code base were in combination with boost::optional, so
had all to be rewritten as o3tl::nullopt.
Change-Id: Ibfd9f4b3d5a8aee6e6eed310b988c4e5ffd8b11b
Reviewed-on: https://gerrit.libreoffice.org/84128
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_CPPCANVAS_SOURCE_WRAPPER_IMPLCANVAS_HXX
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#define INCLUDED_CPPCANVAS_SOURCE_WRAPPER_IMPLCANVAS_HXX
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#include <com/sun/star/uno/Reference.hxx>
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#include <com/sun/star/rendering/ViewState.hpp>
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#include <cppcanvas/canvas.hxx>
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#include <o3tl/optional.hxx>
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#include <basegfx/polygon/b2dpolypolygon.hxx>
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namespace basegfx
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{
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class B2DHomMatrix;
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class B2DPolyPolygon;
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}
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namespace com { namespace sun { namespace star { namespace rendering
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{
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class XCanvas;
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} } } }
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/* Definition of ImplCanvas */
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namespace cppcanvas
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{
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namespace internal
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{
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class ImplCanvas : public virtual Canvas
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{
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public:
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explicit ImplCanvas( const css::uno::Reference< css::rendering::XCanvas >& rCanvas );
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virtual ~ImplCanvas() override;
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ImplCanvas(ImplCanvas const &) = default;
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ImplCanvas(ImplCanvas &&) = default;
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ImplCanvas & operator =(ImplCanvas const &) = delete; // due to const mxCanvas
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ImplCanvas & operator =(ImplCanvas &&) = delete; // due to const mxCanvas
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virtual void setTransformation( const ::basegfx::B2DHomMatrix& rMatrix ) override;
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virtual ::basegfx::B2DHomMatrix getTransformation() const override;
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virtual void setClip( const ::basegfx::B2DPolyPolygon& rClipPoly ) override;
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virtual void setClip() override;
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virtual ::basegfx::B2DPolyPolygon const* getClip() const override;
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virtual CanvasSharedPtr clone() const override;
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virtual void clear() const override;
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virtual css::uno::Reference<
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css::rendering::XCanvas > getUNOCanvas() const override;
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virtual css::rendering::ViewState getViewState() const override;
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private:
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mutable css::rendering::ViewState maViewState;
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o3tl::optional<basegfx::B2DPolyPolygon> maClipPolyPolygon;
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const css::uno::Reference< css::rendering::XCanvas > mxCanvas;
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};
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}
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}
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#endif // INCLUDED_CPPCANVAS_SOURCE_WRAPPER_IMPLCANVAS_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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