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122 | /**************************************************************************/
/* file_access_zip.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/**************************************************************************/
#ifndef FILE_ACCESS_ZIP_H
#define FILE_ACCESS_ZIP_H
#ifdef MINIZIP_ENABLED
#include "core/io/file_access_pack.h"
#include "thirdparty/minizip/unzip.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;
HashMap<String, File> files;
static ZipArchive *instance;
public:
void close_handle(unzFile p_file) const;
unzFile get_file_handle(const String &p_file) const;
Error add_package(const String &p_name);
bool file_exists(const String &p_name) const;
virtual bool try_open_pack(const String &p_path, bool p_replace_files, uint64_t p_offset) override;
Ref<FileAccess> get_file(const String &p_path, PackedData::PackedFile *p_file) override;
static ZipArchive *get_singleton();
ZipArchive();
~ZipArchive();
};
class FileAccessZip : public FileAccess {
unzFile zfile = nullptr;
unz_file_info64 file_info;
mutable bool at_eof = false;
void _close();
public:
virtual Error open_internal(const String &p_path, int p_mode_flags) override; ///< open a file<--- open_internal is a virtual function
virtual bool is_open() const override; ///< true when file is open
virtual void seek(uint64_t p_position) override; ///< seek to a given position
virtual void seek_end(int64_t p_position = 0) override; ///< seek from the end of file
virtual uint64_t get_position() const override; ///< get position in the file
virtual uint64_t get_length() const override; ///< get size of the file
virtual bool eof_reached() const override; ///< reading passed EOF
virtual uint64_t get_buffer(uint8_t *p_dst, uint64_t p_length) const override;
virtual Error get_error() const override; ///< get last error
virtual Error resize(int64_t p_length) override { return ERR_UNAVAILABLE; }
virtual void flush() override;
virtual bool store_buffer(const uint8_t *p_src, uint64_t p_length) override;
virtual bool file_exists(const String &p_name) override; ///< return true if a file exists
virtual uint64_t _get_modified_time(const String &p_file) override { return 0; } // todo
virtual BitField<FileAccess::UnixPermissionFlags> _get_unix_permissions(const String &p_file) override { return 0; }
virtual Error _set_unix_permissions(const String &p_file, BitField<FileAccess::UnixPermissionFlags> p_permissions) override { return FAILED; }
virtual bool _get_hidden_attribute(const String &p_file) override { return false; }
virtual Error _set_hidden_attribute(const String &p_file, bool p_hidden) override { return ERR_UNAVAILABLE; }
virtual bool _get_read_only_attribute(const String &p_file) override { return false; }
virtual Error _set_read_only_attribute(const String &p_file, bool p_ro) override { return ERR_UNAVAILABLE; }
virtual void close() override;
FileAccessZip(const String &p_path, const PackedData::PackedFile &p_file);
~FileAccessZip();
};
#endif // MINIZIP_ENABLED
#endif // FILE_ACCESS_ZIP_H
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