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114 lines
3.3 KiB
C++
114 lines
3.3 KiB
C++
/* vim:set ts=2 sw=2 sts=2 et: */
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/**
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* \author Marcus Holland-Moritz (github@mhxnet.de)
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* \copyright Copyright (c) Marcus Holland-Moritz
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*
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* This file is part of dwarfs.
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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, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* SPDX-License-Identifier: MIT
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*/
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#pragma once
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#include <filesystem>
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#include <functional>
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#include <memory>
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#include <ostream>
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#include <string>
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#include <string_view>
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namespace dwarfs {
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class glob_matcher;
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class library_dependencies;
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class logger;
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class os_access;
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namespace reader {
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class filesystem_v2_lite;
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}
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namespace utility {
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struct filesystem_extractor_options {
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size_t max_queued_bytes{static_cast<size_t>(512) << 20};
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bool continue_on_error{false};
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std::function<void(std::string_view, uint64_t, uint64_t)> progress;
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};
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class filesystem_extractor {
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public:
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filesystem_extractor(logger& lgr, os_access const& os);
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static void add_library_dependencies(library_dependencies& deps);
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void
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open_archive(std::filesystem::path const& output, std::string const& format) {
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impl_->open_archive(output, format);
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}
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void open_stream(std::ostream& os, std::string const& format) {
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impl_->open_stream(os, format);
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}
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void open_disk(std::filesystem::path const& output) {
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impl_->open_disk(output);
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}
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void close() { impl_->close(); }
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bool extract(reader::filesystem_v2_lite const& fs,
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filesystem_extractor_options const& opts =
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filesystem_extractor_options()) {
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return impl_->extract(fs, nullptr, opts);
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}
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bool
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extract(reader::filesystem_v2_lite const& fs, glob_matcher const* matcher,
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filesystem_extractor_options const& opts =
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filesystem_extractor_options()) {
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return impl_->extract(fs, matcher, opts);
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}
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class impl {
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public:
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virtual ~impl() = default;
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virtual void open_archive(std::filesystem::path const& output,
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std::string const& format) = 0;
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virtual void open_stream(std::ostream& os, std::string const& format) = 0;
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virtual void open_disk(std::filesystem::path const& output) = 0;
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virtual void close() = 0;
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virtual bool
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extract(reader::filesystem_v2_lite const& fs, glob_matcher const* matcher,
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filesystem_extractor_options const& opts) = 0;
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};
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private:
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std::unique_ptr<impl> impl_;
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};
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} // namespace utility
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} // namespace dwarfs
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