mirror of https://github.com/tfussell/xlnt
150 lines
4.0 KiB
C++
150 lines
4.0 KiB
C++
// Copyright (c) 2014-2016 Thomas Fussell
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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, WRISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE
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//
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// @license: http://www.opensource.org/licenses/mit-license.php
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// @author: see AUTHORS file
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#pragma once
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#include <cstdint>
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#include <iostream>
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#include <memory>
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#include <sstream>
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#include <string>
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#include <vector>
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#include <xlnt/xlnt_config.hpp>
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#include <xlnt/utils/path.hpp>
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// Note: this comes from https://github.com/tfussell/miniz-cpp
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struct mz_zip_archive_tag;
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namespace xlnt {
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/// <summary>
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/// Information about a specific file in zip_file.
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/// </summary>
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struct XLNT_API zip_info
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{
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/// <summary>
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/// A struct representing a particular date and time.
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/// </summary>
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struct date_time_t
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{
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int year;
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int month;
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int day;
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int hours;
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int minutes;
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int seconds;
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};
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/// <summary>
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/// Default constructor for zip_info.
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/// </summary>
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zip_info();
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date_time_t date_time;
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path filename;
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std::string comment;
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std::string extra;
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uint16_t create_system;
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uint16_t create_version;
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uint16_t extract_version;
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uint16_t flag_bits;
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std::size_t volume;
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uint32_t internal_attr;
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uint32_t external_attr;
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std::size_t header_offset;
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uint32_t crc;
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std::size_t compress_size;
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std::size_t file_size;
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};
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/// <summary>
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/// A compressed archive file that exists in memory which can read
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/// or write to and from the filesystem, std::iostreams, and byte vectors.
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/// </summary>
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class XLNT_API zip_file
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{
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public:
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zip_file();
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zip_file(const path &filename);
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zip_file(const std::vector<uint8_t> &bytes);
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zip_file(std::istream &stream);
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~zip_file();
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// to/from file
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void load(const path &filename);
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void save(const path &filename);
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// to/from byte vector
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void load(const std::vector<std::uint8_t> &bytes);
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void save(std::vector<std::uint8_t> &bytes);
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// to/from iostream
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void load(std::istream &stream);
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void save(std::ostream &stream);
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void reset();
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bool has_file(const path &name);
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bool has_file(const zip_info &name);
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zip_info getinfo(const path &name);
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std::vector<zip_info> infolist();
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std::vector<path> namelist();
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std::ostream &open(const path &name);
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std::ostream &open(const zip_info &name);
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std::string read(const path &name);
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std::string read(const zip_info &name);
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bool check_crc();
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void write_file(const path &source_file);
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void write_file(const path &source_file, const path &archive_path);
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void write_string(const std::string &string, const path &archive_path);
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void write_string(const std::string &string, const zip_info &archive_path);
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path get_filename() const;
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std::string comment;
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private:
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void start_read();
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void start_write();
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void append_comment();
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void remove_comment();
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zip_info getinfo(int index);
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std::unique_ptr<mz_zip_archive_tag> archive_;
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std::vector<char> buffer_;
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std::stringstream open_stream_;
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path filename_;
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};
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} // namespace xlnt
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