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92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
/**
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* Copyright (c) 2018, Timothy Stack
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @file unique_path.hh
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*/
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#ifndef LNAV_UNIQUE_PATH_HH
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#define LNAV_UNIQUE_PATH_HH
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#include <map>
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#include <memory>
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#include <string>
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#include <vector>
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#include "ghc/filesystem.hpp"
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/**
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* A source of a path for the unique_path_generator.
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*/
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class unique_path_source {
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public:
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virtual ~unique_path_source() = default;
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void set_unique_path(const std::string& path)
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{
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this->ups_unique_path = path;
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}
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const ghc::filesystem::path& get_unique_path() const
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{
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return this->ups_unique_path;
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}
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virtual ghc::filesystem::path get_path() const = 0;
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const ghc::filesystem::path& get_path_prefix() const
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{
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return this->ups_prefix;
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}
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void set_path_prefix(const ghc::filesystem::path& prefix)
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{
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this->ups_prefix = prefix;
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}
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private:
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ghc::filesystem::path ups_prefix;
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ghc::filesystem::path ups_unique_path;
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};
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/**
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* Given a collection of filesystem paths, this class will generate a shortened
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* and unique path for each of the given paths.
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*/
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class unique_path_generator {
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public:
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void add_source(const std::shared_ptr<unique_path_source>& path_source);
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void generate();
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std::map<std::string, std::vector<std::shared_ptr<unique_path_source>>>
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upg_unique_paths;
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size_t upg_max_len{0};
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};
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#endif // LNAV_UNIQUE_PATH_HH
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