virtualx-engine/modules/zip/zip_packer.cpp
Ben Busby 3b37f50e50
Remove zf != NULL check from ZIPPacker::start_file
This check was removed because it introduces a bug which prevents
ZIPPacker from actually adding any files, since it must be opened before
adding any files (and therefore shouldn't be NULL at the start of
`start_file`).
2022-11-01 11:37:02 -06:00

107 lines
4.4 KiB
C++

/*************************************************************************/
/* zip_packer.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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. */
/*************************************************************************/
#include "zip_packer.h"
#include "core/io/zip_io.h"
#include "core/os/os.h"
Error ZIPPacker::open(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, NULL, &io);
return zf != NULL ? OK : FAILED;
}
Error ZIPPacker::close() {
ERR_FAIL_COND_V_MSG(fa.is_null(), FAILED, "ZIPPacker cannot be closed because it is not open.");
return zipClose(zf, NULL) == ZIP_OK ? OK : FAILED;
}
Error ZIPPacker::start_file(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_hour = time.hour;
zipfi.tmz_date.tm_mday = time.day;
zipfi.tmz_date.tm_min = time.minute;
zipfi.tmz_date.tm_mon = time.month - 1;
zipfi.tmz_date.tm_sec = time.second;
zipfi.tmz_date.tm_year = time.year;
zipfi.dosDate = 0;
zipfi.external_fa = 0;
zipfi.internal_fa = 0;
int ret = zipOpenNewFileInZip(zf, p_path.utf8().get_data(), &zipfi, NULL, 0, NULL, 0, NULL, Z_DEFLATED, Z_DEFAULT_COMPRESSION);
return ret == ZIP_OK ? OK : FAILED;
}
Error ZIPPacker::write_file(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.");
Error err = zipCloseFileInZip(zf) == ZIP_OK ? OK : FAILED;
if (err == OK) {
zf = NULL;
}
return err;
}
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();
}
}