forked from qt-creator/qt-creator
a15250051d
Different types are introduced for normalized and native file path. So the compiler is warning you if you try the wrong format. Change-Id: I1da0686b142cbf9bb7578468c2b50f90a94cebf9 Reviewed-by: Ivan Donchevskii <ivan.donchevskii@qt.io> Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2017 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#pragma once
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#include <utils/hostosinfo.h>
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#include <utils/smallstringview.h>
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namespace ClangBackEnd {
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class NativeFilePathView : protected Utils::SmallStringView
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{
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public:
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explicit NativeFilePathView(const char *const string, const size_type size) noexcept
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: Utils::SmallStringView(string, size),
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m_slashIndex(lastSlashIndex(*this))
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{
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}
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explicit NativeFilePathView(Utils::SmallStringView filePath)
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: Utils::SmallStringView(filePath),
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m_slashIndex(lastSlashIndex(filePath))
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{
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}
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template <typename String>
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explicit NativeFilePathView(String filePath)
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: NativeFilePathView(filePath.data(), filePath.size())
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{
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}
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template<size_type Size>
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NativeFilePathView(const char(&string)[Size]) noexcept
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: NativeFilePathView(string, Size - 1)
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{
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static_assert(Size >= 1, "Invalid string literal! Length is zero!");
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}
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Utils::SmallStringView toStringView() const
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{
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return *this;
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}
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std::ptrdiff_t slashIndex() const
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{
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return m_slashIndex;
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}
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Utils::SmallStringView directory() const noexcept
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{
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return mid(0, std::size_t(std::max(std::ptrdiff_t(0), m_slashIndex)));
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}
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Utils::SmallStringView name() const noexcept
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{
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return mid(std::size_t(m_slashIndex + 1),
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std::size_t(std::ptrdiff_t(size()) - m_slashIndex - std::ptrdiff_t(1)));
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}
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static
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std::ptrdiff_t lastSlashIndex(Utils::SmallStringView filePath)
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{
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const char separator = Utils::HostOsInfo::isWindowsHost() ? '\\' : '/';
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auto foundReverse = std::find(filePath.rbegin(), filePath.rend(), separator);
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auto found = foundReverse.base();
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--found;
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return std::distance(filePath.begin(), found);
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}
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friend bool operator==(const NativeFilePathView &first, const NativeFilePathView &second)
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{
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return first.toStringView() == second.toStringView();
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}
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private:
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std::ptrdiff_t m_slashIndex = -1;
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};
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}
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