/*************************************************************************/ /* file_access_zip.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #ifdef MINIZIP_ENABLED #ifndef FILE_ACCESS_ZIP_H #define FILE_ACCESS_ZIP_H #include "core/io/file_access_pack.h" #include "core/map.h" #include "thirdparty/minizip/unzip.h" #include <stdlib.h> class ZipArchive : public PackSource { public: struct File { int package = -1; unz_file_pos file_pos; File() {} }; private: struct Package { String filename; unzFile zfile = nullptr; }; Vector<Package> packages; Map<String, File> files; static ZipArchive *instance; FileAccess::CreateFunc fa_create_func; public: void close_handle(unzFile p_file) const; unzFile get_file_handle(String p_file) const; Error add_package(String p_name); bool file_exists(String p_name) const; virtual bool try_open_pack(const String &p_path, bool p_replace_files); FileAccess *get_file(const String &p_path, PackedData::PackedFile *p_file); static ZipArchive *get_singleton(); ZipArchive(); ~ZipArchive(); }; class FileAccessZip : public FileAccess { unzFile zfile; unz_file_info64 file_info; mutable bool at_eof; public: virtual Error _open(const String &p_path, int p_mode_flags); ///< open a file virtual void close(); ///< close a file virtual bool is_open() const; ///< true when file is open virtual void seek(size_t p_position); ///< seek to a given position virtual void seek_end(int64_t p_position = 0); ///< seek from the end of file virtual size_t get_position() const; ///< get position in the file virtual size_t get_len() const; ///< get size of the file virtual bool eof_reached() const; ///< reading passed EOF virtual uint8_t get_8() const; ///< get a byte virtual int get_buffer(uint8_t *p_dst, int p_length) const; virtual Error get_error() const; ///< get last error virtual void flush(); virtual void store_8(uint8_t p_dest); ///< store a byte virtual bool file_exists(const String &p_name); ///< return true if a file exists virtual uint64_t _get_modified_time(const String &p_file) { return 0; } // todo virtual uint32_t _get_unix_permissions(const String &p_file) { return 0; } virtual Error _set_unix_permissions(const String &p_file, uint32_t p_permissions) { return FAILED; } FileAccessZip(const String &p_path, const PackedData::PackedFile &p_file); ~FileAccessZip(); }; #endif // FILE_ACCESS_ZIP_H #endif // MINIZIP_ENABLED