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