Robin Davies
71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
// Copyright (c) 2024 Robin Davies
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// 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 all
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// 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, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#pragma once
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#include <memory>
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#include <string>
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#include <vector>
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#include <filesystem>
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#include <iostream>
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#include <zip.h>
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namespace pipedal {
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class zip_file_input_stream_buf : public std::streambuf {
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private:
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zip_file_t* file;
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std::vector<char> buffer;
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static const size_t putback_size = 8;
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public:
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zip_file_input_stream_buf(zip_file_t* file, size_t buffer_size = 16384);
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~zip_file_input_stream_buf();
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protected:
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virtual int_type underflow() override;
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virtual std::streamsize xsgetn(char* s, std::streamsize n) override;
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};
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class zip_file_input_stream : public std::istream {
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private:
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zip_file_input_stream_buf buf;
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public:
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zip_file_input_stream(zip_file_t *file, size_t buff_size = 16384)
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: std::istream(nullptr), buf(file,buff_size)
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{
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rdbuf(&buf);
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}
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};
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class ZipFile {
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protected:
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ZipFile();
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public:
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using ptr = std::shared_ptr<ZipFile>;
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static ptr Create(const std::filesystem::path &path);
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ZipFile(const ZipFile&) = delete;
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ZipFile&operator=(const ZipFile&) = delete;
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virtual ~ZipFile();
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virtual std::vector<std::string> GetFiles() = 0;
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virtual void ExtractTo(const std::string &zipName, const std::filesystem::path& path) = 0;
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virtual zip_file_input_stream GetFileInputStream(const std::string& filename,size_t bufferSize = 16*1024) = 0;
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virtual size_t GetFileSize(const std::string&filename) = 0;
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};
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} |