54 lines
2.3 KiB
C++
54 lines
2.3 KiB
C++
// Copyright (C) 2023 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Core module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Core/VirtualDirectoryFilesystemResolver.hpp>
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#include <Nazara/Utils/Algorithm.hpp>
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#include <Nazara/Core/Debug.hpp>
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namespace Nz
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{
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void VirtualDirectoryFilesystemResolver::ForEach(std::weak_ptr<VirtualDirectory> parent, FunctionRef<bool(std::string_view name, VirtualDirectory::Entry&& entry)> callback) const
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{
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for (auto&& physicalEntry : std::filesystem::directory_iterator(m_physicalPath))
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{
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std::string filename = PathToString(physicalEntry.path().filename());
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std::filesystem::file_status status = physicalEntry.status();
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VirtualDirectory::Entry entry;
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if (std::filesystem::is_regular_file(status))
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{
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if (!callback(filename, VirtualDirectory::FileEntry{ std::make_shared<File>(physicalEntry.path(), m_fileOpenMode) }))
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return;
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}
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else if (std::filesystem::is_directory(status))
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{
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VirtualDirectoryPtr virtualDir = std::make_shared<VirtualDirectory>(std::make_shared<VirtualDirectoryFilesystemResolver>(physicalEntry.path()), parent);
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if (!callback(filename, VirtualDirectory::DirectoryEntry{ { std::move(virtualDir) } }))
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return;
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}
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}
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}
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std::optional<VirtualDirectory::Entry> VirtualDirectoryFilesystemResolver::Resolve(std::weak_ptr<VirtualDirectory> parent, const std::string_view* parts, std::size_t partCount) const
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{
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std::filesystem::path filePath = m_physicalPath;
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for (std::size_t i = 0; i < partCount; ++i)
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filePath /= parts[i];
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std::filesystem::file_status status = std::filesystem::status(filePath); //< FIXME: This will follow symlink, is this the intended behavior? (see symlink_status)
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VirtualDirectory::Entry entry;
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if (std::filesystem::is_regular_file(status))
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return VirtualDirectory::FileEntry{ std::make_shared<File>(std::move(filePath), m_fileOpenMode) };
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else if (std::filesystem::is_directory(status))
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{
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VirtualDirectoryPtr virtualDir = std::make_shared<VirtualDirectory>(std::make_shared<VirtualDirectoryFilesystemResolver>(std::move(filePath)), parent);
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return VirtualDirectory::DirectoryEntry{ { std::move(virtualDir) } };
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}
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else
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return std::nullopt; //< either not known or of a special type
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}
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}
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