godot/modules/zip/zip_packer.cpp

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/**************************************************************************/
/* zip_packer.cpp */
/**************************************************************************/
/* 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. */
/**************************************************************************/
#include "zip_packer.h"
#include "core/io/zip_io.h"
#include "core/os/os.h"
Error ZIPPacker::open(const String &p_path, ZipAppend p_append) {
if (fa.is_valid()) {
close();
}
zlib_filefunc_def io = zipio_create_io(&fa);
zf = zipOpen2(p_path.utf8().get_data(), p_append, nullptr, &io);
return zf != nullptr ? OK : FAILED;
}
Error ZIPPacker::close() {
ERR_FAIL_COND_V_MSG(fa.is_null(), FAILED, "ZIPPacker cannot be closed because it is not open.");
Error err = zipClose(zf, nullptr) == ZIP_OK ? OK : FAILED;
if (err == OK) {
DEV_ASSERT(fa == nullptr);
zf = nullptr;
}
return err;
}
Error ZIPPacker::start_file(const String &p_path) {
ERR_FAIL_COND_V_MSG(fa.is_null(), FAILED, "ZIPPacker must be opened before use.");
zip_fileinfo zipfi;
OS::DateTime time = OS::get_singleton()->get_datetime();
zipfi.tmz_date.tm_sec = time.second;
zipfi.tmz_date.tm_min = time.minute;
zipfi.tmz_date.tm_hour = time.hour;
zipfi.tmz_date.tm_mday = time.day;
zipfi.tmz_date.tm_mon = time.month - 1;
zipfi.tmz_date.tm_year = time.year;
zipfi.dosDate = 0;
zipfi.internal_fa = 0;
zipfi.external_fa = 0;
int err = zipOpenNewFileInZip4(zf,
p_path.utf8().get_data(),
&zipfi,
nullptr,
0,
nullptr,
0,
nullptr,
Z_DEFLATED,
Z_DEFAULT_COMPRESSION,
0,
-MAX_WBITS,
DEF_MEM_LEVEL,
Z_DEFAULT_STRATEGY,
nullptr,
0,
0x0314, // "version made by", 0x03 - Unix, 0x14 - ZIP specification version 2.0, required to store Unix file permissions.
1 << 11); // Bit 11 is the language encoding flag. When set, filename and comment fields must be encoded using UTF-8.
return err == ZIP_OK ? OK : FAILED;
}
Error ZIPPacker::write_file(const Vector<uint8_t> &p_data) {
ERR_FAIL_COND_V_MSG(fa.is_null(), FAILED, "ZIPPacker must be opened before use.");
return zipWriteInFileInZip(zf, p_data.ptr(), p_data.size()) == ZIP_OK ? OK : FAILED;
}
Error ZIPPacker::close_file() {
ERR_FAIL_COND_V_MSG(fa.is_null(), FAILED, "ZIPPacker must be opened before use.");
return zipCloseFileInZip(zf) == ZIP_OK ? OK : FAILED;
}
void ZIPPacker::_bind_methods() {
ClassDB::bind_method(D_METHOD("open", "path", "append"), &ZIPPacker::open, DEFVAL(Variant(APPEND_CREATE)));
ClassDB::bind_method(D_METHOD("start_file", "path"), &ZIPPacker::start_file);
ClassDB::bind_method(D_METHOD("write_file", "data"), &ZIPPacker::write_file);
ClassDB::bind_method(D_METHOD("close_file"), &ZIPPacker::close_file);
ClassDB::bind_method(D_METHOD("close"), &ZIPPacker::close);
BIND_ENUM_CONSTANT(APPEND_CREATE);
BIND_ENUM_CONSTANT(APPEND_CREATEAFTER);
BIND_ENUM_CONSTANT(APPEND_ADDINZIP);
}
ZIPPacker::ZIPPacker() {}
ZIPPacker::~ZIPPacker() {
if (fa.is_valid()) {
close();
}
}