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106 lines
2.9 KiB
C++
106 lines
2.9 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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* dwarfs is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* dwarfs is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with dwarfs. If not, see <https://www.gnu.org/licenses/>.
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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;
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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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return 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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return 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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return impl_->open_disk(output);
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}
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void close() { return impl_->close(); }
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bool extract(reader::filesystem_v2 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 extract(reader::filesystem_v2 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 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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